common sl: reworked and unified generics definitions

made various methods available through common sl
added createTextBox,AutoShape,... methods to ShapeContainers
hslf tables created by poi, will be identified as such when the file is read again

git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1697515 13f79535-47bb-0310-9956-ffa450edef68

src/integrationtest/org/apache/poi/stress/SlideShowHandler.java

@@ -31,7 +31,6 @@ import java.util.Map;
 import org.apache.poi.openxml4j.exceptions.InvalidFormatException;
 import org.apache.poi.sl.SlideShowFactory;
 import org.apache.poi.sl.draw.Drawable;
-import org.apache.poi.sl.usermodel.Notes;
 import org.apache.poi.sl.usermodel.Shape;
 import org.apache.poi.sl.usermodel.ShapeContainer;
 import org.apache.poi.sl.usermodel.Slide;
@@ -42,7 +41,7 @@ import org.apache.poi.sl.usermodel.TextShape;
 import org.apache.poi.util.JvmBugs;
 
 public abstract class SlideShowHandler extends POIFSFileHandler {
-    public void handleSlideShow(SlideShow ss) throws IOException {
+    public void handleSlideShow(SlideShow<?,?> ss) throws IOException {
         renderSlides(ss);
 
         readContent(ss);
@@ -53,7 +52,7 @@ public abstract class SlideShowHandler extends POIFSFileHandler {
         readContent(ss);
 
         // read in the writen file
-        SlideShow read;
+        SlideShow<?,?> read;
         try {
             read = SlideShowFactory.create(new ByteArrayInputStream(out.toByteArray()));
         } catch (InvalidFormatException e) {
@@ -65,7 +64,7 @@ public abstract class SlideShowHandler extends POIFSFileHandler {
         
     }
 
-    private ByteArrayOutputStream writeToArray(SlideShow ss) throws IOException {
+    private ByteArrayOutputStream writeToArray(SlideShow<?,?> ss) throws IOException {
         ByteArrayOutputStream stream = new ByteArrayOutputStream();
         try {
             ss.write(stream);
@@ -77,8 +76,8 @@ public abstract class SlideShowHandler extends POIFSFileHandler {
     }
 
     
-    private void readContent(SlideShow ss) {
+    private void readContent(SlideShow<?,?> ss) {
-        for (Slide<?,?,? extends Notes<?,?>> s : ss.getSlides()) {
+        for (Slide<?,?> s : ss.getSlides()) {
             s.getTitle();
             readText(s);
             readText(s.getNotes());
@@ -86,12 +85,11 @@ public abstract class SlideShowHandler extends POIFSFileHandler {
         }
     }
     
-    @SuppressWarnings("unchecked")
+    private void readText(ShapeContainer<?,?> sc) {
-    private void readText(ShapeContainer<?> sc) {
         if (sc == null) return;
-        for (Shape s : sc) {
+        for (Shape<?,?> s : sc) {
             if (s instanceof TextShape) {
-                for (TextParagraph<? extends TextRun> tp : (TextShape<TextParagraph<? extends TextRun>>)s) {
+                for (TextParagraph<?,?,?> tp : (TextShape<?,?>)s) {
                     for (TextRun tr : tp) {
                         tr.getRawText();
                     }
@@ -100,10 +98,10 @@ public abstract class SlideShowHandler extends POIFSFileHandler {
         }
     }
     
-    private void renderSlides(SlideShow ss) {
+    private void renderSlides(SlideShow<?,?> ss) {
         Dimension pgsize = ss.getPageSize();
 
-        for (Slide<?,?,?> s : ss.getSlides()) {
+        for (Slide<?,?> s : ss.getSlides()) {
             BufferedImage img = new BufferedImage(pgsize.width, pgsize.height, BufferedImage.TYPE_INT_ARGB);
             Graphics2D graphics = img.createGraphics();
             fixFonts(graphics);

src/java/org/apache/poi/ddf/EscherContainerRecord.java

@@ -221,13 +221,13 @@ public final class EscherContainerRecord extends EscherRecord {
     }
 
     public void addChildBefore(EscherRecord record, int insertBeforeRecordId) {
-        for (int i = 0; i < _childRecords.size(); i++) {
+        int idx = 0;
-            EscherRecord rec = _childRecords.get(i);
+        for (EscherRecord rec : _childRecords) {
-            if(rec.getRecordId() == insertBeforeRecordId){
+            if(rec.getRecordId() == (short)insertBeforeRecordId) break;
-                _childRecords.add(i++, record);
+            // TODO - keep looping? Do we expect multiple matches?
-                // TODO - keep looping? Do we expect multiple matches?
+            idx++;
-            }
         }
+        _childRecords.add(idx, record);
     }
 
     public String toString()

src/java/org/apache/poi/sl/draw/DrawAutoShape.java

@@ -20,8 +20,8 @@ package org.apache.poi.sl.draw;
 import org.apache.poi.sl.usermodel.*;
 
 
-public class DrawAutoShape<T extends AutoShape<? extends TextParagraph<? extends TextRun>>> extends DrawTextShape<T> {
+public class DrawAutoShape extends DrawTextShape {
-    public DrawAutoShape(T shape) {
+    public DrawAutoShape(AutoShape<?,?> shape) {
         super(shape);
     }
 }

src/java/org/apache/poi/sl/draw/DrawBackground.java

@@ -17,24 +17,28 @@
 
 package org.apache.poi.sl.draw;
 
-import java.awt.*;
+import java.awt.Dimension;
+import java.awt.Graphics2D;
+import java.awt.Paint;
 import java.awt.geom.Rectangle2D;
 
-import org.apache.poi.sl.usermodel.*;
+import org.apache.poi.sl.usermodel.Background;
-import org.apache.poi.sl.usermodel.Shape;
+import org.apache.poi.sl.usermodel.PlaceableShape;
+import org.apache.poi.sl.usermodel.ShapeContainer;
 
 
-public class DrawBackground<T extends Background> extends DrawShape<T> {
+public class DrawBackground extends DrawShape {
-    public DrawBackground(T shape) {
+    public DrawBackground(Background<?,?> shape) {
         super(shape);
     }
 
+    @SuppressWarnings("rawtypes")
     public void draw(Graphics2D graphics) {
         Dimension pg = shape.getSheet().getSlideShow().getPageSize();
         final Rectangle2D anchor = new Rectangle2D.Double(0, 0, pg.getWidth(), pg.getHeight());
 
-        PlaceableShape ps = new PlaceableShape(){
+        PlaceableShape<?,?> ps = new PlaceableShape(){
-            public ShapeContainer<? extends Shape> getParent() { return null; }
+            public ShapeContainer<?,?> getParent() { return null; }
             public Rectangle2D getAnchor() { return anchor; }
             public void setAnchor(Rectangle2D anchor) {}
             public double getRotation() { return 0; }
@@ -47,7 +51,7 @@ public class DrawBackground<T extends Background> extends DrawShape<T> {
         
         DrawFactory drawFact = DrawFactory.getInstance(graphics);
         DrawPaint dp = drawFact.getPaint(ps);
-        Paint fill = dp.getPaint(graphics, shape.getFillStyle().getPaint());
+        Paint fill = dp.getPaint(graphics, getShape().getFillStyle().getPaint());
         Rectangle2D anchor2 = getAnchor(graphics, anchor);
         
         if(fill != null) {
@@ -56,5 +60,7 @@ public class DrawBackground<T extends Background> extends DrawShape<T> {
         }
     }
     
-    
+    protected Background<?,?> getShape() {
+        return (Background<?,?>)shape;
+    }
 }

src/java/org/apache/poi/sl/draw/DrawConnectorShape.java

@@ -17,10 +17,10 @@
 
 package org.apache.poi.sl.draw;
 
-import org.apache.poi.sl.usermodel.*;
+import org.apache.poi.sl.usermodel.ConnectorShape;
 
-public class DrawConnectorShape<T extends ConnectorShape> extends DrawSimpleShape<T> {
+public class DrawConnectorShape extends DrawSimpleShape {
-    public DrawConnectorShape(T shape) {
+    public DrawConnectorShape(ConnectorShape<?,?> shape) {
         super(shape);
     }
 }

src/java/org/apache/poi/sl/draw/DrawFactory.java

@@ -28,17 +28,14 @@ import org.apache.poi.sl.usermodel.ConnectorShape;
 import org.apache.poi.sl.usermodel.FreeformShape;
 import org.apache.poi.sl.usermodel.GroupShape;
 import org.apache.poi.sl.usermodel.MasterSheet;
-import org.apache.poi.sl.usermodel.Notes;
 import org.apache.poi.sl.usermodel.PictureShape;
 import org.apache.poi.sl.usermodel.PlaceableShape;
 import org.apache.poi.sl.usermodel.Shape;
 import org.apache.poi.sl.usermodel.Sheet;
 import org.apache.poi.sl.usermodel.Slide;
-import org.apache.poi.sl.usermodel.SlideShow;
 import org.apache.poi.sl.usermodel.TableShape;
 import org.apache.poi.sl.usermodel.TextBox;
 import org.apache.poi.sl.usermodel.TextParagraph;
-import org.apache.poi.sl.usermodel.TextRun;
 import org.apache.poi.sl.usermodel.TextShape;
 
 public class DrawFactory {
@@ -77,90 +74,89 @@ public class DrawFactory {
         return factory;
     }
 
-    @SuppressWarnings("unchecked")
+    public Drawable getDrawable(Shape<?,?> shape) {
-    public Drawable getDrawable(Shape shape) {
         if (shape instanceof TextBox) {
-            return getDrawable((TextBox<? extends TextParagraph<? extends TextRun>>)shape);
+            return getDrawable((TextBox<?,?>)shape);
         } else if (shape instanceof FreeformShape) {
-            return getDrawable((FreeformShape<? extends TextParagraph<? extends TextRun>>)shape);
+            return getDrawable((FreeformShape<?,?>)shape);
         } else if (shape instanceof TextShape) {
-            return getDrawable((TextShape<? extends TextParagraph<? extends TextRun>>)shape);
+            return getDrawable((TextShape<?,?>)shape);
-        } else if (shape instanceof GroupShape) {
-            return getDrawable((GroupShape<? extends Shape>)shape);
-        } else if (shape instanceof PictureShape) {
-            return getDrawable((PictureShape)shape);
-        } else if (shape instanceof Background) {
-            return getDrawable((Background)shape);
-        } else if (shape instanceof ConnectorShape) {
-            return getDrawable((ConnectorShape)shape);
         } else if (shape instanceof TableShape) {
-            return getDrawable((TableShape)shape);
+            return getDrawable((TableShape<?,?>)shape);
+        } else if (shape instanceof GroupShape) {
+            return getDrawable((GroupShape<?,?>)shape);
+        } else if (shape instanceof PictureShape) {
+            return getDrawable((PictureShape<?,?>)shape);
+        } else if (shape instanceof Background) {
+            return getDrawable((Background<?,?>)shape);
+        } else if (shape instanceof ConnectorShape) {
+            return getDrawable((ConnectorShape<?,?>)shape);
         } else if (shape instanceof Slide) {
-            return getDrawable((Slide<? extends Shape, ? extends SlideShow, ? extends Notes<?,?>>)shape);
+            return getDrawable((Slide<?,?>)shape);
         } else if (shape instanceof MasterSheet) {
-            return getDrawable((MasterSheet<? extends Shape, ? extends SlideShow>)shape);
+            return getDrawable((MasterSheet<?,?>)shape);
         } else if (shape instanceof Sheet) {
-            return getDrawable((Sheet<? extends Shape, ? extends SlideShow>)shape);
+            return getDrawable((Sheet<?,?>)shape);
         } else if (shape.getClass().isAnnotationPresent(DrawNotImplemented.class)) {
-            return new DrawNothing<Shape>(shape);
+            return new DrawNothing(shape);
         }
         
         throw new IllegalArgumentException("Unsupported shape type: "+shape.getClass());
     }
 
-    public <T extends Slide<? extends Shape, ? extends SlideShow, ? extends Notes<?,?>>> DrawSlide<T> getDrawable(T sheet) {
+    public DrawSlide getDrawable(Slide<?,?> sheet) {
-        return new DrawSlide<T>(sheet);
+        return new DrawSlide(sheet);
     }
 
-    public <T extends Sheet<? extends Shape, ? extends SlideShow>> DrawSheet<T> getDrawable(T sheet) {
+    public DrawSheet getDrawable(Sheet<?,?> sheet) {
-        return new DrawSheet<T>(sheet);
+        return new DrawSheet(sheet);
     }
 
-    public <T extends MasterSheet<? extends Shape, ? extends SlideShow>> DrawMasterSheet<T> getDrawable(T sheet) {
+    public DrawMasterSheet getDrawable(MasterSheet<?,?> sheet) {
-        return new DrawMasterSheet<T>(sheet);
+        return new DrawMasterSheet(sheet);
     }
 
-    public <T extends TextBox<? extends TextParagraph<?>>> DrawTextBox<T> getDrawable(T shape) {
+    public DrawTextBox getDrawable(TextBox<?,?> shape) {
-        return new DrawTextBox<T>(shape);
+        return new DrawTextBox(shape);
     }
 
-    public <T extends FreeformShape<? extends TextParagraph<? extends TextRun>>> DrawFreeformShape<T> getDrawable(T shape) {
+    public DrawFreeformShape getDrawable(FreeformShape<?,?> shape) {
-        return new DrawFreeformShape<T>(shape);
+        return new DrawFreeformShape(shape);
     }
 
-    public <T extends ConnectorShape> DrawConnectorShape<T> getDrawable(T shape) {
+    public DrawConnectorShape getDrawable(ConnectorShape<?,?> shape) {
-        return new DrawConnectorShape<T>(shape);
+        return new DrawConnectorShape(shape);
     }
     
-    public <T extends TableShape> DrawTableShape<T> getDrawable(T shape) {
+    public DrawTableShape getDrawable(TableShape<?,?> shape) {
-        return new DrawTableShape<T>(shape);
+        return new DrawTableShape(shape);
     }
     
-    public <T extends TextShape<? extends TextParagraph<? extends TextRun>>> DrawTextShape<T> getDrawable(T shape) {
+    public DrawTextShape getDrawable(TextShape<?,?> shape) {
-        return new DrawTextShape<T>(shape);
+        return new DrawTextShape(shape);
     }
 
-    public <T extends GroupShape<? extends Shape>> DrawGroupShape<T> getDrawable(T shape) {
+    public DrawGroupShape getDrawable(GroupShape<?,?> shape) {
-        return new DrawGroupShape<T>(shape);
+        return new DrawGroupShape(shape);
     }
     
-    public <T extends PictureShape> DrawPictureShape<T> getDrawable(T shape) {
+    public DrawPictureShape getDrawable(PictureShape<?,?> shape) {
-        return new DrawPictureShape<T>(shape);
+        return new DrawPictureShape(shape);
     }
     
-    public <T extends TextRun> DrawTextParagraph<T> getDrawable(TextParagraph<T> paragraph) {
+    public DrawTextParagraph getDrawable(TextParagraph<?,?,?> paragraph) {
-        return new DrawTextParagraph<T>(paragraph);
+        return new DrawTextParagraph(paragraph);
     }
 
-    public <T extends Background> DrawBackground<T> getDrawable(T shape) {
+    public DrawBackground getDrawable(Background<?,?> shape) {
-        return new DrawBackground<T>(shape);
+        return new DrawBackground(shape);
     }
     
     public DrawTextFragment getTextFragment(TextLayout layout, AttributedString str) {
         return new DrawTextFragment(layout, str);
     }
     
-    public DrawPaint getPaint(PlaceableShape shape) {
+    public DrawPaint getPaint(PlaceableShape<?,?> shape) {
         return new DrawPaint(shape);
     }
 }

src/java/org/apache/poi/sl/draw/DrawFreeformShape.java

@@ -27,21 +27,24 @@ import org.apache.poi.sl.draw.geom.Path;
 import org.apache.poi.sl.usermodel.FillStyle;
 import org.apache.poi.sl.usermodel.FreeformShape;
 import org.apache.poi.sl.usermodel.StrokeStyle;
-import org.apache.poi.sl.usermodel.TextParagraph;
-import org.apache.poi.sl.usermodel.TextRun;
 
-public class DrawFreeformShape<T extends FreeformShape<? extends TextParagraph<? extends TextRun>>> extends DrawAutoShape<T> {
+public class DrawFreeformShape extends DrawAutoShape {
-    public DrawFreeformShape(T shape) {
+    public DrawFreeformShape(FreeformShape<?,?> shape) {
         super(shape);
     }
     
     protected Collection<Outline> computeOutlines(Graphics2D graphics) {
         List<Outline> lst = new ArrayList<Outline>();
-        java.awt.Shape sh = shape.getPath();
+        java.awt.Shape sh = getShape().getPath();
-        FillStyle fs = shape.getFillStyle();
+        FillStyle fs = getShape().getFillStyle();
-        StrokeStyle ss = shape.getStrokeStyle();
+        StrokeStyle ss = getShape().getStrokeStyle();
         Path path = new Path(fs != null, ss != null);
         lst.add(new Outline(sh, path));
         return lst;
     }
+
+    @Override
+    protected FreeformShape<?,?> getShape() {
+        return (FreeformShape<?,?>)shape;
+    }
 }

src/java/org/apache/poi/sl/draw/DrawGroupShape.java

@@ -24,18 +24,18 @@ import java.awt.geom.Rectangle2D;
 import org.apache.poi.sl.usermodel.*;
 
 
-public class DrawGroupShape<T extends GroupShape<? extends Shape>> extends DrawShape<T> implements Drawable {
+public class DrawGroupShape extends DrawShape {
 
-    public DrawGroupShape(T shape) {
+    public DrawGroupShape(GroupShape<?,?> shape) {
         super(shape);
     }
     
     public void draw(Graphics2D graphics) {
 
         // the coordinate system of this group of shape
-        Rectangle2D interior = shape.getInteriorAnchor();
+        Rectangle2D interior = getShape().getInteriorAnchor();
         // anchor of this group relative to the parent shape
-        Rectangle2D exterior = shape.getAnchor();
+        Rectangle2D exterior = getShape().getAnchor();
 
         AffineTransform tx = (AffineTransform)graphics.getRenderingHint(Drawable.GROUP_TRANSFORM);
         AffineTransform tx0 = new AffineTransform(tx);
@@ -50,7 +50,7 @@ public class DrawGroupShape<T extends GroupShape<? extends Shape>> extends DrawS
         DrawFactory drawFact = DrawFactory.getInstance(graphics);
         AffineTransform at2 = graphics.getTransform();
         
-        for (Shape child : shape) {
+        for (Shape<?,?> child : getShape()) {
             // remember the initial transform and restore it after we are done with the drawing
             AffineTransform at = graphics.getTransform();
             graphics.setRenderingHint(Drawable.GSAVE, true);
@@ -67,4 +67,9 @@ public class DrawGroupShape<T extends GroupShape<? extends Shape>> extends DrawS
         graphics.setTransform(at2);
         graphics.setRenderingHint(Drawable.GROUP_TRANSFORM, tx0);
     }
+
+    @Override
+    protected GroupShape<?,?> getShape() {
+        return (GroupShape<?,?>)shape;
+    }
 }

src/java/org/apache/poi/sl/draw/DrawMasterSheet.java

@@ -20,9 +20,9 @@ package org.apache.poi.sl.draw;
 import org.apache.poi.sl.usermodel.*;
 
 
-public class DrawMasterSheet<T extends MasterSheet<? extends Shape, ? extends SlideShow>> extends DrawSheet<T> {
+public class DrawMasterSheet extends DrawSheet {
 
-    public DrawMasterSheet(T sheet) {
+    public DrawMasterSheet(MasterSheet<?,?> sheet) {
         super(sheet);
     }
 
@@ -32,7 +32,8 @@ public class DrawMasterSheet<T extends MasterSheet<? extends Shape, ? extends Sl
      * Subclasses can override it and skip certain shapes from drawings,
      * for instance, slide masters and layouts don't display placeholders
      */
-    protected boolean canDraw(Shape shape){
+    @Override
-        return !(shape instanceof SimpleShape) || !((SimpleShape)shape).isPlaceholder();
+    protected boolean canDraw(Shape<?,?> shape){
+        return !(shape instanceof SimpleShape) || !((SimpleShape<?,?>)shape).isPlaceholder();
     }
 }

src/java/org/apache/poi/sl/draw/DrawNothing.java

@@ -22,11 +22,11 @@ import java.awt.Graphics2D;
 import org.apache.poi.sl.usermodel.Shape;
 
 
-public class DrawNothing<T extends Shape> implements Drawable {
+public class DrawNothing implements Drawable {
 
-    protected final T shape;
+    protected final Shape<?,?> shape;
     
-    public DrawNothing(T shape) {
+    public DrawNothing(Shape<?,?> shape) {
         this.shape = shape;
     }
     

src/java/org/apache/poi/sl/draw/DrawPaint.java

@@ -50,9 +50,9 @@ public class DrawPaint {
     
     private final static POILogger LOG = POILogFactory.getLogger(DrawPaint.class);
 
-    protected PlaceableShape shape;
+    protected PlaceableShape<?,?> shape;
     
-    public DrawPaint(PlaceableShape shape) {
+    public DrawPaint(PlaceableShape<?,?> shape) {
         this.shape = shape;
     }
 

src/java/org/apache/poi/sl/draw/DrawPictureShape.java

@@ -26,22 +26,22 @@ import org.apache.poi.sl.usermodel.PictureData;
 import org.apache.poi.sl.usermodel.PictureShape;
 
 
-public class DrawPictureShape<T extends PictureShape> extends DrawSimpleShape<T> {
+public class DrawPictureShape extends DrawSimpleShape {
-    public DrawPictureShape(T shape) {
+    public DrawPictureShape(PictureShape<?,?> shape) {
         super(shape);
     }
     
     @Override
     public void drawContent(Graphics2D graphics) {
-        PictureData data = shape.getPictureData();
+        PictureData data = getShape().getPictureData();
         if(data == null) return;
 
         ImageRenderer renderer = (ImageRenderer)graphics.getRenderingHint(Drawable.IMAGE_RENDERER);
         if (renderer == null) renderer = new ImageRenderer();
         
-        Rectangle2D anchor = getAnchor(graphics, shape);
+        Rectangle2D anchor = getAnchor(graphics, getShape());
 
-        Insets insets = shape.getClipping();
+        Insets insets = getShape().getClipping();
 
         try {
             renderer.loadImage(data.getData(), data.getContentType());
@@ -51,4 +51,9 @@ public class DrawPictureShape<T extends PictureShape> extends DrawSimpleShape<T>
             throw new RuntimeException(e);
         }
     }    
+
+    @Override
+    protected PictureShape<?,?> getShape() {
+        return (PictureShape<?,?>)shape;
+    }
 }

src/java/org/apache/poi/sl/draw/DrawShape.java

@@ -25,14 +25,14 @@ import org.apache.poi.sl.usermodel.PlaceableShape;
 import org.apache.poi.sl.usermodel.Shape;
 
 
-public class DrawShape<T extends Shape> implements Drawable {
+public class DrawShape implements Drawable {
 
-    protected final T shape;
+    protected final Shape<?,?> shape;
-    
+
-    public DrawShape(T shape) {
+    public DrawShape(Shape<?,?> shape) {
         this.shape = shape;
     }
-    
+
     /**
      * Apply 2-D transforms before drawing this shape. This includes rotation and flipping.
      *
@@ -40,8 +40,8 @@ public class DrawShape<T extends Shape> implements Drawable {
      */
     public void applyTransform(Graphics2D graphics) {
         if (!(shape instanceof PlaceableShape)) return;
-        
+
-        PlaceableShape ps = (PlaceableShape)shape;
+        PlaceableShape<?,?> ps = (PlaceableShape<?,?>)shape;
         AffineTransform tx = (AffineTransform)graphics.getRenderingHint(Drawable.GROUP_TRANSFORM);
         if (tx == null) tx = new AffineTransform();
         final Rectangle2D anchor = tx.createTransformedShape(ps.getAnchor()).getBounds2D();
@@ -59,12 +59,12 @@ public class DrawShape<T extends Shape> implements Drawable {
 
             int quadrant = (((int)rotation+45)/90)%4;
             double scaleX = 1.0, scaleY = 1.0;
-            
+
             // scale to bounding box (bug #53176)
             if (quadrant == 1 || quadrant == 3) {
-                // In quadrant 1 and 3, which is basically a shape in a more or less portrait orientation 
+                // In quadrant 1 and 3, which is basically a shape in a more or less portrait orientation
-                // (45-135 degrees and 225-315 degrees), we need to first rotate the shape by a multiple 
+                // (45-135 degrees and 225-315 degrees), we need to first rotate the shape by a multiple
-                // of 90 degrees and then resize the bounding box to its original bbox. After that we can 
+                // of 90 degrees and then resize the bounding box to its original bbox. After that we can
                 // rotate the shape to the exact rotation amount.
                 // It's strange that you'll need to rotate the shape back and forth again, but you can
                 // think of it, as if you paint the shape on a canvas. First you rotate the canvas, which might
@@ -82,19 +82,19 @@ public class DrawShape<T extends Shape> implements Drawable {
                     txs.translate(-centerX, -centerY);
                     txs.concatenate(tx);
                 }
-                
+
                 txs.translate(centerX, centerY);
                 txs.rotate(Math.PI/2.);
                 txs.translate(-centerX, -centerY);
-                
+
                 Rectangle2D anchor2 = txs.createTransformedShape(ps.getAnchor()).getBounds2D();
-                
+
                 scaleX = anchor.getWidth() == 0. ? 1.0 : anchor.getWidth() / anchor2.getWidth();
                 scaleY = anchor.getHeight() == 0. ? 1.0 : anchor.getHeight() / anchor2.getHeight();
             } else {
                 quadrant = 0;
             }
-            
+
             // transformation is applied reversed ...
             graphics.translate(centerX, centerY);
             graphics.rotate(Math.toRadians(rotation-quadrant*90.));
@@ -122,13 +122,13 @@ public class DrawShape<T extends Shape> implements Drawable {
     public void draw(Graphics2D graphics) {
     }
 
-    public void drawContent(Graphics2D context) {
+    public void drawContent(Graphics2D graphics) {
     }
 
-    public static Rectangle2D getAnchor(Graphics2D graphics, PlaceableShape shape) {
+    public static Rectangle2D getAnchor(Graphics2D graphics, PlaceableShape<?,?> shape) {
         return getAnchor(graphics, shape.getAnchor());
     }
-    
+
     public static Rectangle2D getAnchor(Graphics2D graphics, Rectangle2D anchor) {
         if(graphics == null)  {
             return anchor;
@@ -139,5 +139,9 @@ public class DrawShape<T extends Shape> implements Drawable {
             anchor = tx.createTransformedShape(anchor).getBounds2D();
         }
         return anchor;
-    }    
+    }
+    
+    protected Shape<?,?> getShape() {
+        return shape;
+    }
 }

src/java/org/apache/poi/sl/draw/DrawSheet.java

@@ -26,11 +26,11 @@ import java.awt.geom.AffineTransform;
 import org.apache.poi.sl.usermodel.*;
 
 
-public class DrawSheet<T extends Sheet<? extends Shape, ? extends SlideShow>> implements Drawable {
+public class DrawSheet implements Drawable {
 
-    protected final T sheet;
+    protected final Sheet<?,?> sheet;
     
-    public DrawSheet(T sheet) {
+    public DrawSheet(Sheet<?,?> sheet) {
         this.sheet = sheet;
     }
     
@@ -41,7 +41,7 @@ public class DrawSheet<T extends Sheet<? extends Shape, ? extends SlideShow>> im
         graphics.fillRect(0, 0, (int)dim.getWidth(), (int)dim.getHeight());
         
         DrawFactory drawFact = DrawFactory.getInstance(graphics);
-        MasterSheet<? extends Shape, ? extends SlideShow> master = sheet.getMasterSheet();
+        MasterSheet<?,?> master = sheet.getMasterSheet();
         
         if(sheet.getFollowMasterGraphics() && master != null) {
             Drawable drawer = drawFact.getDrawable(master);
@@ -50,7 +50,7 @@ public class DrawSheet<T extends Sheet<? extends Shape, ? extends SlideShow>> im
         
         graphics.setRenderingHint(Drawable.GROUP_TRANSFORM, new AffineTransform());
 
-        for (Shape shape : sheet.getShapes()) {
+        for (Shape<?,?> shape : sheet.getShapes()) {
             if(!canDraw(shape)) continue;
             
             // remember the initial transform and restore it after we are done with drawing
@@ -85,7 +85,7 @@ public class DrawSheet<T extends Sheet<? extends Shape, ? extends SlideShow>> im
      * Subclasses can override it and skip certain shapes from drawings,
      * for instance, slide masters and layouts don't display placeholders
      */
-    protected boolean canDraw(Shape shape){
+    protected boolean canDraw(Shape<?,?> shape){
         return true;
     }
 }

src/java/org/apache/poi/sl/draw/DrawSimpleShape.java

@@ -17,39 +17,60 @@
 
 package org.apache.poi.sl.draw;
 
-import java.awt.*;
+import java.awt.BasicStroke;
-import java.awt.geom.*;
+import java.awt.Color;
-import java.io.*;
+import java.awt.Graphics2D;
+import java.awt.Paint;
+import java.awt.geom.AffineTransform;
+import java.awt.geom.Ellipse2D;
+import java.awt.geom.GeneralPath;
+import java.awt.geom.Rectangle2D;
+import java.io.InputStream;
+import java.io.InputStreamReader;
+import java.io.Reader;
 import java.nio.charset.Charset;
-import java.util.*;
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.HashMap;
 import java.util.List;
+import java.util.Map;
 
-import javax.xml.bind.*;
+import javax.xml.bind.JAXBContext;
-import javax.xml.stream.*;
+import javax.xml.bind.JAXBElement;
+import javax.xml.bind.Unmarshaller;
 import javax.xml.stream.EventFilter;
+import javax.xml.stream.XMLEventReader;
+import javax.xml.stream.XMLInputFactory;
 import javax.xml.stream.events.StartElement;
 import javax.xml.stream.events.XMLEvent;
 
 import org.apache.poi.sl.draw.binding.CTCustomGeometry2D;
-import org.apache.poi.sl.draw.geom.*;
+import org.apache.poi.sl.draw.geom.Context;
-import org.apache.poi.sl.usermodel.*;
+import org.apache.poi.sl.draw.geom.CustomGeometry;
+import org.apache.poi.sl.draw.geom.Outline;
+import org.apache.poi.sl.draw.geom.Path;
+import org.apache.poi.sl.usermodel.LineDecoration;
 import org.apache.poi.sl.usermodel.LineDecoration.DecorationSize;
 import org.apache.poi.sl.usermodel.PaintStyle.SolidPaint;
-import org.apache.poi.sl.usermodel.StrokeStyle.*;
+import org.apache.poi.sl.usermodel.Shadow;
+import org.apache.poi.sl.usermodel.SimpleShape;
+import org.apache.poi.sl.usermodel.StrokeStyle;
+import org.apache.poi.sl.usermodel.StrokeStyle.LineCap;
+import org.apache.poi.sl.usermodel.StrokeStyle.LineDash;
 import org.apache.poi.util.Units;
 
 
-public class DrawSimpleShape<T extends SimpleShape> extends DrawShape<T> {
+public class DrawSimpleShape extends DrawShape {
 
-    public DrawSimpleShape(T shape) {
+    public DrawSimpleShape(SimpleShape<?,?> shape) {
         super(shape);
     }
 
     @Override
     public void draw(Graphics2D graphics) {
-        DrawPaint drawPaint = DrawFactory.getInstance(graphics).getPaint(shape);
+        DrawPaint drawPaint = DrawFactory.getInstance(graphics).getPaint(getShape());
-        Paint fill = drawPaint.getPaint(graphics, shape.getFillStyle().getPaint());
+        Paint fill = drawPaint.getPaint(graphics, getShape().getFillStyle().getPaint());
-        Paint line = drawPaint.getPaint(graphics, shape.getStrokeStyle().getPaint());
+        Paint line = drawPaint.getPaint(graphics, getShape().getStrokeStyle().getPaint());
         BasicStroke stroke = getStroke(); // the stroke applies both to the shadow and the shape
         graphics.setStroke(stroke);
 
@@ -94,7 +115,7 @@ public class DrawSimpleShape<T extends SimpleShape> extends DrawShape<T> {
         graphics.setPaint(line);
         
         List<Outline> lst = new ArrayList<Outline>();
-        LineDecoration deco = shape.getLineDecoration();
+        LineDecoration deco = getShape().getLineDecoration();
         Outline head = getHeadDecoration(graphics, deco, stroke);
         if (head != null) lst.add(head);
         Outline tail = getTailDecoration(graphics, deco, stroke);
@@ -117,7 +138,7 @@ public class DrawSimpleShape<T extends SimpleShape> extends DrawShape<T> {
     
         double lineWidth = Math.max(2.5, stroke.getLineWidth());
     
-        Rectangle2D anchor = getAnchor(graphics, shape);
+        Rectangle2D anchor = getAnchor(graphics, getShape());
         double x2 = anchor.getX() + anchor.getWidth(),
                y2 = anchor.getY() + anchor.getHeight();
     
@@ -175,7 +196,7 @@ public class DrawSimpleShape<T extends SimpleShape> extends DrawShape<T> {
     
         double lineWidth = Math.max(2.5, stroke.getLineWidth());
     
-        Rectangle2D anchor = getAnchor(graphics, shape);
+        Rectangle2D anchor = getAnchor(graphics, getShape());
         double x1 = anchor.getX(),
                 y1 = anchor.getY();
     
@@ -228,7 +249,7 @@ public class DrawSimpleShape<T extends SimpleShape> extends DrawShape<T> {
     }
     
     public BasicStroke getStroke() {
-        StrokeStyle strokeStyle = shape.getStrokeStyle();
+        StrokeStyle strokeStyle = getShape().getStrokeStyle();
         
         float lineWidth = (float) strokeStyle.getLineWidth();
         if (lineWidth == 0.0f) lineWidth = 0.25f; // Both PowerPoint and OOo draw zero-length lines as 0.25pt
@@ -275,14 +296,14 @@ public class DrawSimpleShape<T extends SimpleShape> extends DrawShape<T> {
           , Paint fill
           , Paint line
     ) {
-          Shadow shadow = shape.getShadow();
+          Shadow shadow = getShape().getShadow();
           if (shadow == null || (fill == null && line == null)) return;
 
           SolidPaint shadowPaint = shadow.getFillStyle();
           Color shadowColor = DrawPaint.applyColorTransform(shadowPaint.getSolidColor());
           
-          double shapeRotation = shape.getRotation();
+          double shapeRotation = getShape().getRotation();
-          if(shape.getFlipVertical()) {
+          if(getShape().getFlipVertical()) {
               shapeRotation += 180;
           }
           double angle = shadow.getAngle() - shapeRotation;
@@ -366,12 +387,12 @@ public class DrawSimpleShape<T extends SimpleShape> extends DrawShape<T> {
     protected Collection<Outline> computeOutlines(Graphics2D graphics) {
 
         List<Outline> lst = new ArrayList<Outline>();
-        CustomGeometry geom = shape.getGeometry();
+        CustomGeometry geom = getShape().getGeometry();
         if(geom == null) {
             return lst;
         }
 
-        Rectangle2D anchor = getAnchor(graphics, shape);
+        Rectangle2D anchor = getAnchor(graphics, getShape());
         for (Path p : geom) {
 
             double w = p.getW() == -1 ? anchor.getWidth() * Units.EMU_PER_POINT : p.getW();
@@ -381,7 +402,7 @@ public class DrawSimpleShape<T extends SimpleShape> extends DrawShape<T> {
             // so we build the path starting from (0,0).
             final Rectangle2D pathAnchor = new Rectangle2D.Double(0,0,w,h);
 
-            Context ctx = new Context(geom, pathAnchor, shape);
+            Context ctx = new Context(geom, pathAnchor, getShape());
 
             java.awt.Shape gp = p.getPath(ctx);
 
@@ -411,4 +432,8 @@ public class DrawSimpleShape<T extends SimpleShape> extends DrawShape<T> {
         return lst;
     }
 
+    @Override
+    protected SimpleShape<?,?> getShape() {
+        return (SimpleShape<?,?>)shape;
+    }
 }

src/java/org/apache/poi/sl/draw/DrawSlide.java

@@ -22,14 +22,14 @@ import java.awt.Graphics2D;
 import org.apache.poi.sl.usermodel.*;
 
 
-public class DrawSlide<T extends Slide<? extends Shape, ? extends SlideShow, ? extends Notes<?,?>>> extends DrawSheet<T> {
+public class DrawSlide extends DrawSheet {
 
-    public DrawSlide(T slide) {
+    public DrawSlide(Slide<?,?> slide) {
         super(slide);
     }
     
     public void draw(Graphics2D graphics) {
-        Background bg = sheet.getBackground();
+        Background<?,?> bg = sheet.getBackground();
         if(bg != null) {
             DrawFactory drawFact = DrawFactory.getInstance(graphics);
             Drawable db = drawFact.getDrawable(bg);

src/java/org/apache/poi/sl/draw/DrawTableShape.java

@@ -17,11 +17,45 @@
 
 package org.apache.poi.sl.draw;
 
-import org.apache.poi.sl.usermodel.*;
+import java.awt.Graphics2D;
 
-public class DrawTableShape<T extends TableShape> extends DrawShape<T> {
+import org.apache.poi.sl.usermodel.GroupShape;
+import org.apache.poi.sl.usermodel.TableShape;
+
+public class DrawTableShape extends DrawShape {
     // to be implemented ...
-    public DrawTableShape(T shape) {
+    public DrawTableShape(TableShape<?,?> shape) {
         super(shape);
     }
+    
+    protected Drawable getDrawable(Graphics2D graphics) {
+        if (shape instanceof GroupShape) {
+            DrawFactory df = DrawFactory.getInstance(graphics);
+            return df.getDrawable((GroupShape<?,?>)shape);
+        }
+        return null;
+    }
+
+    public void applyTransform(Graphics2D graphics) {
+        Drawable d = getDrawable(graphics);
+        if (d != null) {
+            d.applyTransform(graphics);
+        }
+    }
+
+    public void draw(Graphics2D graphics) {
+        Drawable d = getDrawable(graphics);
+        if (d != null) {
+            d.draw(graphics);
+        }
+    }
+
+    public void drawContent(Graphics2D graphics) {
+        Drawable d = getDrawable(graphics);
+        if (d != null) {
+            d.drawContent(graphics);
+        }
+    }
+
+    
 }

src/java/org/apache/poi/sl/draw/DrawTextBox.java

@@ -19,8 +19,8 @@ package org.apache.poi.sl.draw;
 
 import org.apache.poi.sl.usermodel.*;
 
-public class DrawTextBox<T extends TextBox<? extends TextParagraph<? extends TextRun>>> extends DrawAutoShape<T> {
+public class DrawTextBox extends DrawAutoShape {
-    public DrawTextBox(T shape) {
+    public DrawTextBox(TextBox<?,?> shape) {
         super(shape);
     }
 }

src/java/org/apache/poi/sl/draw/DrawTextParagraph.java

@@ -35,7 +35,6 @@ import org.apache.poi.sl.usermodel.AutoNumberingScheme;
 import org.apache.poi.sl.usermodel.Insets2D;
 import org.apache.poi.sl.usermodel.PaintStyle;
 import org.apache.poi.sl.usermodel.PlaceableShape;
-import org.apache.poi.sl.usermodel.Shape;
 import org.apache.poi.sl.usermodel.ShapeContainer;
 import org.apache.poi.sl.usermodel.TextParagraph;
 import org.apache.poi.sl.usermodel.TextParagraph.BulletStyle;
@@ -45,8 +44,8 @@ import org.apache.poi.sl.usermodel.TextRun.TextCap;
 import org.apache.poi.sl.usermodel.TextShape;
 import org.apache.poi.util.Units;
 
-public class DrawTextParagraph<T extends TextRun> implements Drawable {
+public class DrawTextParagraph implements Drawable {
-    protected TextParagraph<T> paragraph;
+    protected TextParagraph<?,?,?> paragraph;
     double x, y;
     protected List<DrawTextFragment> lines = new ArrayList<DrawTextFragment>();
     protected String rawText;
@@ -58,7 +57,7 @@ public class DrawTextParagraph<T extends TextRun> implements Drawable {
      */
     protected double maxLineHeight;
 
-    public DrawTextParagraph(TextParagraph<T> paragraph) {
+    public DrawTextParagraph(TextParagraph<?,?,?> paragraph) {
         this.paragraph = paragraph;
     }
 
@@ -266,7 +265,7 @@ public class DrawTextParagraph<T extends TextRun> implements Drawable {
         if (buFont == null) buFont = paragraph.getDefaultFontFamily();
         assert(buFont != null);
 
-        PlaceableShape ps = getParagraphShape();
+        PlaceableShape<?,?> ps = getParagraphShape();
         PaintStyle fgPaintStyle = bulletStyle.getBulletFontColor();
         Paint fgPaint;
         if (fgPaintStyle == null) {
@@ -377,7 +376,7 @@ public class DrawTextParagraph<T extends TextRun> implements Drawable {
         }
 
         double width;
-        TextShape<? extends TextParagraph<T>> ts = paragraph.getParentShape();
+        TextShape<?,?> ts = paragraph.getParentShape();
         if (!ts.getWordWrap()) {
             // if wordWrap == false then we return the advance to the right border of the sheet
             width = ts.getSheet().getSlideShow().getPageSize().getWidth() - anchor.getX();
@@ -413,9 +412,10 @@ public class DrawTextParagraph<T extends TextRun> implements Drawable {
     /**
      * Helper method for paint style relative to bounds, e.g. gradient paint
      */
-    private PlaceableShape getParagraphShape() {
+    @SuppressWarnings("rawtypes")
-        PlaceableShape ps = new PlaceableShape(){
+    private PlaceableShape<?,?> getParagraphShape() {
-            public ShapeContainer<? extends Shape> getParent() { return null; }
+        PlaceableShape<?,?> ps = new PlaceableShape(){
+            public ShapeContainer<?,?> getParent() { return null; }
             public Rectangle2D getAnchor() { return paragraph.getParentShape().getAnchor(); }
             public void setAnchor(Rectangle2D anchor) {}
             public double getRotation() { return 0; }
@@ -432,7 +432,7 @@ public class DrawTextParagraph<T extends TextRun> implements Drawable {
         List<AttributedStringData> attList = new ArrayList<AttributedStringData>();
         if (text == null) text = new StringBuilder();
 
-        PlaceableShape ps = getParagraphShape();
+        PlaceableShape<?,?> ps = getParagraphShape();
         
         DrawFontManager fontHandler = (DrawFontManager)graphics.getRenderingHint(Drawable.FONT_HANDLER);
 

src/java/org/apache/poi/sl/draw/DrawTextShape.java

@@ -27,9 +27,9 @@ import org.apache.poi.sl.usermodel.*;
 import org.apache.poi.sl.usermodel.TextParagraph.BulletStyle;
 import org.apache.poi.util.JvmBugs;
 
-public class DrawTextShape<T extends TextShape<? extends TextParagraph<? extends TextRun>>> extends DrawSimpleShape<T> {
+public class DrawTextShape extends DrawSimpleShape {
 
-    public DrawTextShape(T shape) {
+    public DrawTextShape(TextShape<?,?> shape) {
         super(shape);
     }
 
@@ -37,8 +37,8 @@ public class DrawTextShape<T extends TextShape<? extends TextParagraph<? extends
     public void drawContent(Graphics2D graphics) {
         fixFonts(graphics);
         
-        Rectangle2D anchor = DrawShape.getAnchor(graphics, shape);
+        Rectangle2D anchor = DrawShape.getAnchor(graphics, getShape());
-        Insets2D insets = shape.getInsets();
+        Insets2D insets = getShape().getInsets();
         double x = anchor.getX() + insets.left;
         double y = anchor.getY();
 
@@ -50,7 +50,7 @@ public class DrawTextShape<T extends TextShape<? extends TextParagraph<? extends
         // (see DrawShape#applyTransform ), but we need to restore it to avoid painting "upside down".
         // See Bugzilla 54210.
 
-        if(shape.getFlipVertical()){
+        if(getShape().getFlipVertical()){
             graphics.translate(anchor.getX(), anchor.getY() + anchor.getHeight());
             graphics.scale(1, -1);
             graphics.translate(-anchor.getX(), -anchor.getY());
@@ -65,7 +65,7 @@ public class DrawTextShape<T extends TextShape<? extends TextParagraph<? extends
 
         // Horizontal flipping applies only to shape outline and not to the text in the shape.
         // Applying flip second time restores the original not-flipped transform
-        if(shape.getFlipHorizontal()){
+        if(getShape().getFlipHorizontal()){
             graphics.translate(anchor.getX() + anchor.getWidth(), anchor.getY());
             graphics.scale(-1, 1);
             graphics.translate(-anchor.getX() , -anchor.getY());
@@ -73,9 +73,9 @@ public class DrawTextShape<T extends TextShape<? extends TextParagraph<? extends
 
 
         // first dry-run to calculate the total height of the text
-        double textHeight = shape.getTextHeight();
+        double textHeight = getShape().getTextHeight();
 
-        switch (shape.getVerticalAlignment()){
+        switch (getShape().getVerticalAlignment()){
             case TOP:
                 y += insets.top;
                 break;
@@ -104,12 +104,12 @@ public class DrawTextShape<T extends TextShape<? extends TextParagraph<? extends
         DrawFactory fact = DrawFactory.getInstance(graphics);
 
         double y0 = y;
-        Iterator<? extends TextParagraph<? extends TextRun>> paragraphs = shape.iterator();
+        Iterator<? extends TextParagraph<?,?,? extends TextRun>> paragraphs = getShape().iterator();
         
         boolean isFirstLine = true;
         for (int autoNbrIdx=0; paragraphs.hasNext(); autoNbrIdx++){
-            TextParagraph<? extends TextRun> p = paragraphs.next();
+            TextParagraph<?,?,? extends TextRun> p = paragraphs.next();
-            DrawTextParagraph<? extends TextRun> dp = fact.getDrawable(p);
+            DrawTextParagraph dp = fact.getDrawable(p);
             BulletStyle bs = p.getBulletStyle();
             if (bs == null || bs.getAutoNumberingScheme() == null) {
                 autoNbrIdx = -1;
@@ -180,4 +180,9 @@ public class DrawTextShape<T extends TextShape<? extends TextParagraph<? extends
         if (!fontMap.containsKey("Calibri")) fontMap.put("Calibri", "Lucida Sans");
         if (!fontMap.containsKey("Cambria")) fontMap.put("Cambria", "Lucida Bright");
     }
+
+    @Override
+    protected TextShape<?,?> getShape() {
+        return (TextShape<?,?>)shape;
+    }
 }

src/java/org/apache/poi/sl/usermodel/AutoShape.java

@@ -17,5 +17,8 @@
 
 package org.apache.poi.sl.usermodel;
 
-public interface AutoShape<T extends TextParagraph<? extends TextRun>> extends TextShape<T> {
+public interface AutoShape<
+    S extends Shape<S,P>,
+    P extends TextParagraph<S,P,? extends TextRun>
+> extends TextShape<S,P> {
 }

src/java/org/apache/poi/sl/usermodel/Background.java

@@ -17,6 +17,9 @@
 
 package org.apache.poi.sl.usermodel;
 
-public interface Background extends Shape {
+public interface Background<
+    S extends Shape<S,P>,
+    P extends TextParagraph<S,P,? extends TextRun>
+> extends Shape<S,P> {
     FillStyle getFillStyle();
 }

src/java/org/apache/poi/sl/usermodel/ConnectorShape.java

@@ -17,6 +17,9 @@
 
 package org.apache.poi.sl.usermodel;
 
-public interface ConnectorShape extends SimpleShape {
+public interface ConnectorShape<
+    S extends Shape<S,P>,
+    P extends TextParagraph<S,P,? extends TextRun>
+> extends SimpleShape<S,P> {
 
 }

src/java/org/apache/poi/sl/usermodel/FreeformShape.java

@@ -19,7 +19,10 @@ package org.apache.poi.sl.usermodel;
 
 import java.awt.geom.GeneralPath;
 
-public interface FreeformShape<T extends TextParagraph<? extends TextRun>> extends AutoShape<T> {
+public interface FreeformShape<
+    S extends Shape<S,P>,
+    P extends TextParagraph<S,P,? extends TextRun>
+> extends AutoShape<S,P> {
     /**
      * Gets the shape path.
      * <p>

src/java/org/apache/poi/sl/usermodel/GroupShape.java

@@ -19,7 +19,10 @@ package org.apache.poi.sl.usermodel;
 
 import java.awt.geom.Rectangle2D;
 
-public interface GroupShape<T extends Shape> extends Shape, ShapeContainer<T>, PlaceableShape {
+public interface GroupShape<
+    S extends Shape<S,P>,
+    P extends TextParagraph<S,P,? extends TextRun>
+> extends Shape<S,P>, ShapeContainer<S,P>, PlaceableShape<S,P> {
 
     /**
      * Gets the coordinate space of this group.  All children are constrained

src/java/org/apache/poi/sl/usermodel/Line.java

@@ -25,6 +25,9 @@ import org.apache.poi.util.Internal;
  */
 
 @Internal
-public interface Line<T extends TextParagraph<? extends TextRun>> extends AutoShape<T> {
+public interface Line<
+    S extends Shape<S,P>,
+    P extends TextParagraph<S,P,? extends TextRun>
+> extends AutoShape<S,P> {
 
 }

src/java/org/apache/poi/sl/usermodel/MasterSheet.java

@@ -17,6 +17,9 @@
 
 package org.apache.poi.sl.usermodel;
 
-public interface MasterSheet<T extends Shape, SS extends SlideShow> extends Sheet<T,SS> {
+public interface MasterSheet<
+    S extends Shape<S,P>,
+    P extends TextParagraph<S,P,? extends TextRun>
+> extends Sheet<S,P> {
 
 }

src/java/org/apache/poi/sl/usermodel/Notes.java

@@ -19,6 +19,9 @@ package org.apache.poi.sl.usermodel;
 
 import java.util.List;
 
-public interface Notes<T extends Shape, SS extends SlideShow> extends Sheet<T,SS> {
+public interface Notes<
-	List<? extends List<? extends TextParagraph<? extends TextRun>>> getTextParagraphs();
+    S extends Shape<S,P>,
+    P extends TextParagraph<S,P,? extends TextRun>
+> extends Sheet<S,P> {
+	List<? extends List<P>> getTextParagraphs();
 }

src/java/org/apache/poi/sl/usermodel/PictureShape.java

@@ -19,7 +19,10 @@ package org.apache.poi.sl.usermodel;
 
 import java.awt.Insets;
 
-public interface PictureShape extends SimpleShape {
+public interface PictureShape<
+    S extends Shape<S,P>,
+    P extends TextParagraph<S,P,? extends TextRun>
+> extends SimpleShape<S,P> {
     /**
      * Returns the picture data for this picture.
      *

src/java/org/apache/poi/sl/usermodel/PlaceableShape.java

@@ -19,8 +19,11 @@ package org.apache.poi.sl.usermodel;
 
 import java.awt.geom.Rectangle2D;
 
-public interface PlaceableShape {
+public interface PlaceableShape<
-    ShapeContainer<? extends Shape> getParent();
+    S extends Shape<S,P>,
+    P extends TextParagraph<S,P,? extends TextRun>
+> {
+    ShapeContainer<S,P> getParent();
     
     /**
      * @return the position of this shape within the drawing canvas.

src/java/org/apache/poi/sl/usermodel/Shape.java

@@ -18,12 +18,15 @@
 package org.apache.poi.sl.usermodel;
 
 
-public interface Shape {
+public interface Shape<
-	ShapeContainer<? extends Shape> getParent();
+    S extends Shape<S,P>,
+    P extends TextParagraph<S,P,? extends TextRun>
+> {
+	ShapeContainer<S,P> getParent();
 	
     /**
     *
     * @return the sheet this shape belongs to
     */
-   Sheet<? extends Shape, ? extends SlideShow> getSheet();
+   Sheet<S,P> getSheet();
 }

src/java/org/apache/poi/sl/usermodel/ShapeContainer.java

@@ -20,7 +20,10 @@ package org.apache.poi.sl.usermodel;
 import java.util.List;
 
 
-public interface ShapeContainer<T extends Shape> extends Iterable<T> {
+public interface ShapeContainer<
+    S extends Shape<S,P>,
+    P extends TextParagraph<S,P,? extends TextRun>
+> extends Iterable<S> {
     /**
      * Returns an list containing all of the elements in this container in proper
      * sequence (from first to last element).
@@ -28,9 +31,9 @@ public interface ShapeContainer<T extends Shape> extends Iterable<T> {
      * @return an list containing all of the elements in this container in proper
      *         sequence
      */
-	List<T> getShapes();
+	List<S> getShapes();
 
-	void addShape(T shape);
+	void addShape(S shape);
 
     /**
      * Removes the specified shape from this sheet, if it is present
@@ -42,5 +45,43 @@ public interface ShapeContainer<T extends Shape> extends Iterable<T> {
      * @throws IllegalArgumentException if the type of the specified shape
      *         is incompatible with this sheet (optional)
      */
-	boolean removeShape(T shape);
+	boolean removeShape(S shape);
+
+    /**
+     * create a new shape with a predefined geometry and add it to this shape container
+     */
+    AutoShape<S,P> createAutoShape();
+
+    /**
+     * create a new shape with a custom geometry
+     */
+    FreeformShape<S,P> createFreeform();
+
+    /**
+     * create a text box
+     */
+	TextBox<S,P> createTextBox();
+	
+    /**
+     * create a connector
+     */
+	ConnectorShape<S,P> createConnector();
+	
+    /**
+     * create a group of shapes belonging to this container
+     */
+	GroupShape<S,P> createGroup();
+	
+    /**
+     * create a picture belonging to this container
+     */
+	PictureShape<S,P> createPicture(PictureData pictureData);
+	
+    /**
+     * Create a new Table of the given number of rows and columns
+     *
+     * @param numrows the number of rows
+     * @param numcols the number of columns
+     */
+	TableShape<S,P> createTable(int numRows, int numCols);
 }

src/java/org/apache/poi/sl/usermodel/Sheet.java

@@ -23,8 +23,11 @@ import java.awt.Graphics2D;
 /**
  * Common parent of Slides, Notes and Masters
  */
-public interface Sheet<T extends Shape, SS extends SlideShow> extends ShapeContainer<T> {
+public interface Sheet<
-	SS getSlideShow();
+    S extends Shape<S,P>,
+    P extends TextParagraph<S,P,? extends TextRun>
+> extends ShapeContainer<S,P> {
+	SlideShow<S,P> getSlideShow();
 
     /**
      * @return whether shapes on the master sheet should be shown. By default master graphics is turned off.
@@ -33,9 +36,9 @@ public interface Sheet<T extends Shape, SS extends SlideShow> extends ShapeConta
      */
 	boolean getFollowMasterGraphics();
 	
-	MasterSheet<T,SS> getMasterSheet();
+	MasterSheet<S,P> getMasterSheet();
 
-	Background getBackground();
+	Background<S,P> getBackground();
 	
 	/**
 	 * Convenience method to draw a sheet to a graphics context

src/java/org/apache/poi/sl/usermodel/SimpleShape.java

@@ -21,7 +21,10 @@ import org.apache.poi.sl.draw.geom.CustomGeometry;
 import org.apache.poi.sl.draw.geom.IAdjustableShape;
 
 
-public interface SimpleShape extends Shape, IAdjustableShape, PlaceableShape {
+public interface SimpleShape<
+    S extends Shape<S,P>,
+    P extends TextParagraph<S,P,? extends TextRun>
+> extends Shape<S,P>, IAdjustableShape, PlaceableShape<S,P> {
     FillStyle getFillStyle();
     LineDecoration getLineDecoration();
     StrokeStyle getStrokeStyle();

src/java/org/apache/poi/sl/usermodel/Slide.java

@@ -17,9 +17,12 @@
 
 package org.apache.poi.sl.usermodel;
 
-public interface Slide<T extends Shape, SS extends SlideShow, N extends Notes<T,SS>> extends Sheet<T, SS> {
+public interface Slide<
-    N getNotes();
+    S extends Shape<S,P>,
-    void setNotes(N notes);
+    P extends TextParagraph<S,P,? extends TextRun>
+> extends Sheet<S,P> {
+    Notes<S,P> getNotes();
+    void setNotes(Notes<S,P> notes);
 
     boolean getFollowMasterBackground();
     void setFollowMasterBackground(boolean follow);

src/java/org/apache/poi/sl/usermodel/SlideShow.java

@@ -24,18 +24,21 @@ import java.util.List;
 
 import org.apache.poi.sl.usermodel.PictureData.PictureType;
 
-public interface SlideShow {
+public interface SlideShow<
-	Slide<? extends Shape, ? extends SlideShow, ? extends Notes<?,?>> createSlide() throws IOException;
+    S extends Shape<S,P>,
+    P extends TextParagraph<S,P,? extends TextRun>
+> {
+	Slide<S,P> createSlide() throws IOException;
 
-	List<? extends Slide<? extends Shape, ? extends SlideShow, ? extends Notes<?,?>>> getSlides();
+	List<? extends Slide<S,P>> getSlides();
 
-    MasterSheet<? extends Shape, ? extends SlideShow> createMasterSheet() throws IOException;
+    MasterSheet<S,P> createMasterSheet() throws IOException;
 
 	/**
      * Returns all slide masters.
      * This doesn't include notes master and other arbitrary masters.
      */
-	List<? extends MasterSheet<? extends Shape, ? extends SlideShow>> getSlideMasters();
+	List<? extends MasterSheet<S,P>> getSlideMasters();
 
 	Resources getResources();
 

src/java/org/apache/poi/sl/usermodel/TableCell.java

@@ -0,0 +1,25 @@
+/* ====================================================================
+   Licensed to the Apache Software Foundation (ASF) under one or more
+   contributor license agreements.  See the NOTICE file distributed with
+   this work for additional information regarding copyright ownership.
+   The ASF licenses this file to You under the Apache License, Version 2.0
+   (the "License"); you may not use this file except in compliance with
+   the License.  You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
+==================================================================== */
+
+package org.apache.poi.sl.usermodel;
+
+public interface TableCell<
+    S extends Shape<S,P>,
+    P extends TextParagraph<S,P,? extends TextRun>
+> extends TextShape<S,P> {
+
+}

src/java/org/apache/poi/sl/usermodel/TableShape.java

@@ -17,6 +17,9 @@
 
 package org.apache.poi.sl.usermodel;
 
-public interface TableShape extends Shape, PlaceableShape {
+public interface TableShape<
+    S extends Shape<S,P>,
+    P extends TextParagraph<S,P,? extends TextRun>
+> extends Shape<S,P>, PlaceableShape<S,P> {
     // to be defined ...
 }

src/java/org/apache/poi/sl/usermodel/TextBox.java

@@ -17,5 +17,8 @@
 
 package org.apache.poi.sl.usermodel;
 
-public interface TextBox<T extends TextParagraph<? extends TextRun>> extends AutoShape<T> {
+public interface TextBox<
+    S extends Shape<S,P>,
+    P extends TextParagraph<S,P,? extends TextRun>
+> extends AutoShape<S,P> {
 }

src/java/org/apache/poi/sl/usermodel/TextParagraph.java

@@ -21,7 +21,11 @@ import java.awt.Color;
 
 
 
-public interface TextParagraph<T extends TextRun> extends Iterable<T> {
+public interface TextParagraph<
+    S extends Shape<S,P>,
+    P extends TextParagraph<S,P,T>,
+    T extends TextRun
+> extends Iterable<T> {
 
     /**
      * Specifies a list of text alignment types
@@ -334,5 +338,5 @@ public interface TextParagraph<T extends TextRun> extends Iterable<T> {
     Double getDefaultTabSize();
 
     
-    TextShape<? extends TextParagraph<T>> getParentShape();
+    TextShape<S,P> getParentShape();
 }

src/java/org/apache/poi/sl/usermodel/TextShape.java

@@ -17,11 +17,12 @@
 
 package org.apache.poi.sl.usermodel;
 
-import org.apache.poi.ss.usermodel.HorizontalAlignment;
+import java.util.List;
 
-
+public interface TextShape<
-
+    S extends Shape<S,P>,
-public interface TextShape<T extends TextParagraph<? extends TextRun>> extends SimpleShape, Iterable<T>  {
+    P extends TextParagraph<S,P,? extends TextRun>
+> extends SimpleShape<S,P>, Iterable<P>  {
     /**
      * Vertical Text Types
      */
@@ -87,40 +88,45 @@ public interface TextShape<T extends TextParagraph<? extends TextRun>> extends S
          * </p>
          */
         SHAPE
-    }    
+    }
     
+    /**
+     * @return the TextParagraphs for this text box
+     */
+    List<? extends TextParagraph<S,P,? extends TextRun>> getTextParagraphs();
+
     /**
      * @return text shape margin
      */
     Insets2D getInsets();
-    
+
     /**
      * Compute the cumulative height occupied by the text
      */
     double getTextHeight();
-    
+
     /**
      * Returns the type of vertical alignment for the text.
      *
      * @return the type of vertical alignment
      */
     VerticalAlignment getVerticalAlignment();
-    
+
     /**
      * Returns if the text is centered.
      * If true and if the individual paragraph settings allow it,
      * the whole text block will be displayed centered, i.e. its left and right
      * margin will be maximized while still keeping the alignment of the paragraphs
      *
-     * @return true, if the text anchor is horizontal centered 
+     * @return true, if the text anchor is horizontal centered
      */
     boolean isHorizontalCentered();
-    
+
     /**
      * @return whether to wrap words within the bounding rectangle
      */
     boolean getWordWrap();
-    
+
     /**
      * @return vertical orientation of the text
      */

src/ooxml/java/org/apache/poi/xslf/usermodel/XMLSlideShow.java

@@ -68,7 +68,8 @@ import org.openxmlformats.schemas.presentationml.x2006.main.PresentationDocument
  *  top level object for creating new slides/etc.
  */
 @Beta
-public class XMLSlideShow extends POIXMLDocument implements SlideShow {
+public class XMLSlideShow extends POIXMLDocument
+implements SlideShow<XSLFShape,XSLFTextParagraph> {
     private static POILogger _logger = POILogFactory.getLogger(XMLSlideShow.class);
 
     private CTPresentation _presentation;
@@ -512,7 +513,8 @@ public class XMLSlideShow extends POIXMLDocument implements SlideShow {
         return null;
     }
 
-    public MasterSheet<XSLFShape, XMLSlideShow> createMasterSheet() throws IOException {
+    @Override
+    public MasterSheet<XSLFShape,XSLFTextParagraph> createMasterSheet() throws IOException {
         // TODO: implement!
         throw new UnsupportedOperationException();
     }

src/ooxml/java/org/apache/poi/xslf/usermodel/XSLFAutoShape.java

@@ -36,7 +36,8 @@ import org.openxmlformats.schemas.presentationml.x2006.main.CTShapeNonVisual;
  * @author Yegor Kozlov
  */
 @Beta
-public class XSLFAutoShape extends XSLFTextShape implements AutoShape<XSLFTextParagraph> {
+public class XSLFAutoShape extends XSLFTextShape
+    implements AutoShape<XSLFShape,XSLFTextParagraph> {
 
     /*package*/ XSLFAutoShape(CTShape shape, XSLFSheet sheet) {
         super(shape, sheet);

src/ooxml/java/org/apache/poi/xslf/usermodel/XSLFBackground.java

@@ -35,7 +35,8 @@ import org.openxmlformats.schemas.presentationml.x2006.main.CTBackground;
  *
  * @author Yegor Kozlov
  */
-public class XSLFBackground extends XSLFSimpleShape implements Background {
+public class XSLFBackground extends XSLFSimpleShape
+    implements Background<XSLFShape,XSLFTextParagraph> {
 
     /* package */XSLFBackground(CTBackground shape, XSLFSheet sheet) {
         super(shape, sheet);

src/ooxml/java/org/apache/poi/xslf/usermodel/XSLFConnectorShape.java

@@ -34,7 +34,8 @@ import org.openxmlformats.schemas.presentationml.x2006.main.CTConnectorNonVisual
  * @author Yegor Kozlov
  */
 @Beta
-public class XSLFConnectorShape extends XSLFSimpleShape implements ConnectorShape {
+public class XSLFConnectorShape extends XSLFSimpleShape
+    implements ConnectorShape<XSLFShape,XSLFTextParagraph> {
 
     /*package*/ XSLFConnectorShape(CTConnector shape, XSLFSheet sheet) {
         super(shape, sheet);

src/ooxml/java/org/apache/poi/xslf/usermodel/XSLFFreeformShape.java

@@ -49,7 +49,8 @@ import org.openxmlformats.schemas.presentationml.x2006.main.CTShapeNonVisual;
  * @author Yegor Kozlov
  */
 @Beta
-public class XSLFFreeformShape extends XSLFAutoShape implements FreeformShape<XSLFTextParagraph> {
+public class XSLFFreeformShape extends XSLFAutoShape
+    implements FreeformShape<XSLFShape,XSLFTextParagraph> {
 
     /*package*/ XSLFFreeformShape(CTShape shape, XSLFSheet sheet) {
         super(shape, sheet);

src/ooxml/java/org/apache/poi/xslf/usermodel/XSLFGroupShape.java

@@ -28,6 +28,7 @@ import org.apache.poi.openxml4j.opc.PackagePart;
 import org.apache.poi.openxml4j.opc.PackageRelationship;
 import org.apache.poi.openxml4j.opc.TargetMode;
 import org.apache.poi.sl.usermodel.GroupShape;
+import org.apache.poi.sl.usermodel.PictureData;
 import org.apache.poi.util.Beta;
 import org.apache.poi.util.POILogFactory;
 import org.apache.poi.util.POILogger;
@@ -49,7 +50,8 @@ import org.openxmlformats.schemas.presentationml.x2006.main.CTShape;
  * @author Yegor Kozlov
  */
 @Beta
-public class XSLFGroupShape extends XSLFShape implements XSLFShapeContainer, GroupShape<XSLFShape> {
+public class XSLFGroupShape extends XSLFShape
+implements XSLFShapeContainer, GroupShape<XSLFShape,XSLFTextParagraph> {
     private static POILogger _logger = POILogFactory.getLogger(XSLFGroupShape.class);
     
     private final List<XSLFShape> _shapes;
@@ -237,8 +239,12 @@ public class XSLFGroupShape extends XSLFShape implements XSLFShapeContainer, Gro
         return sh;
     }
 
-    public XSLFPictureShape createPicture(XSLFPictureData pictureData){
+    public XSLFPictureShape createPicture(PictureData pictureData){
-        PackagePart pic = pictureData.getPackagePart();
+        if (!(pictureData instanceof XSLFPictureData)) {
+            throw new IllegalArgumentException("pictureData needs to be of type XSLFPictureData");
+        }
+        XSLFPictureData xPictureData = (XSLFPictureData)pictureData;
+        PackagePart pic = xPictureData.getPackagePart();
 
         PackageRelationship rel = getSheet().getPackagePart().addRelationship(
                 pic.getPartName(), TargetMode.INTERNAL, XSLFRelation.IMAGES.getRelation());
@@ -257,6 +263,24 @@ public class XSLFGroupShape extends XSLFShape implements XSLFShapeContainer, Gro
         return sh;
     }
     
+    @Override
+    public XSLFTable createTable(int numRows, int numCols){
+        if (numRows < 1 || numCols < 1) {
+            throw new IllegalArgumentException("numRows and numCols must be greater than 0");
+        }
+        XSLFTable sh = getDrawing().createTable();
+        _shapes.add(sh);
+        sh.setParent(this);
+        for (int r=0; r<numRows; r++) {
+            XSLFTableRow row = sh.addRow();
+            for (int c=0; c<numCols; c++) {
+                row.addCell();
+            }
+        }
+        return sh;
+    }
+
+    
     @Override
     public void setFlipHorizontal(boolean flip){
         getSafeXfrm().setFlipH(flip);

src/ooxml/java/org/apache/poi/xslf/usermodel/XSLFNotes.java

@@ -31,7 +31,8 @@ import org.openxmlformats.schemas.presentationml.x2006.main.CTNotesSlide;
 import org.openxmlformats.schemas.presentationml.x2006.main.NotesDocument;
 
 @Beta
-public final class XSLFNotes extends XSLFSheet implements Notes<XSLFShape,XMLSlideShow> {
+public final class XSLFNotes extends XSLFSheet
+implements Notes<XSLFShape,XSLFTextParagraph> {
    private CTNotesSlide _notes;
 
     /**
@@ -83,6 +84,7 @@ public final class XSLFNotes extends XSLFSheet implements Notes<XSLFShape,XMLSli
     	return getMasterSheet().getTheme();
     }
 
+    @Override
     public XSLFNotesMaster getMasterSheet() {
         for (POIXMLDocumentPart p : getRelations()) {
            if (p instanceof XSLFNotesMaster){

src/ooxml/java/org/apache/poi/xslf/usermodel/XSLFNotesMaster.java

@@ -47,7 +47,8 @@ import org.openxmlformats.schemas.presentationml.x2006.main.NotesMasterDocument;
  * @author Yegor Kozlov
 */
 @Beta
- public class XSLFNotesMaster extends XSLFSheet implements MasterSheet<XSLFShape,XMLSlideShow> {
+ public class XSLFNotesMaster extends XSLFSheet
+     implements MasterSheet<XSLFShape,XSLFTextParagraph> {
 	 private CTNotesMaster _slide;
      private XSLFTheme _theme;
 
@@ -94,7 +95,7 @@ import org.openxmlformats.schemas.presentationml.x2006.main.NotesMasterDocument;
     }
 
     @Override
-    public MasterSheet<XSLFShape,XMLSlideShow> getMasterSheet() {
+    public MasterSheet<XSLFShape,XSLFTextParagraph> getMasterSheet() {
         return null;
     }
     

src/ooxml/java/org/apache/poi/xslf/usermodel/XSLFPictureShape.java

@@ -51,7 +51,8 @@ import org.openxmlformats.schemas.presentationml.x2006.main.CTPictureNonVisual;
  * Represents a picture shape
  */
 @Beta
-public class XSLFPictureShape extends XSLFSimpleShape implements PictureShape {
+public class XSLFPictureShape extends XSLFSimpleShape
+    implements PictureShape<XSLFShape,XSLFTextParagraph> {
     private XSLFPictureData _data;
 
     /*package*/ XSLFPictureShape(CTPicture shape, XSLFSheet sheet) {

src/ooxml/java/org/apache/poi/xslf/usermodel/XSLFShape.java

@@ -65,7 +65,7 @@ import org.openxmlformats.schemas.presentationml.x2006.main.STPlaceholderType;
  * @author Yegor Kozlov
  */
 @Beta
-public abstract class XSLFShape implements Shape {
+public abstract class XSLFShape implements Shape<XSLFShape,XSLFTextParagraph> {
     private final XmlObject _shape;
     private final XSLFSheet _sheet;
     private XSLFShapeContainer _parent;
@@ -130,8 +130,8 @@ public abstract class XSLFShape implements Shape {
         }
 
         if (this instanceof PlaceableShape) {
-            PlaceableShape ps = (PlaceableShape)this;
+            PlaceableShape<?,?> ps = (PlaceableShape<?,?>)this;
-            ps.setAnchor(((PlaceableShape)sh).getAnchor());
+            ps.setAnchor(((PlaceableShape<?,?>)sh).getAnchor());
         }
         
         

src/ooxml/java/org/apache/poi/xslf/usermodel/XSLFShapeContainer.java

@@ -19,43 +19,32 @@
 
 package org.apache.poi.xslf.usermodel;
 
+import org.apache.poi.sl.usermodel.PictureData;
 import org.apache.poi.sl.usermodel.ShapeContainer;
 
 /**
  * Common interface for shape containers, e.g. sheets or groups of shapes
  */
-public interface XSLFShapeContainer extends ShapeContainer<XSLFShape> {
+public interface XSLFShapeContainer
+    extends ShapeContainer<XSLFShape,XSLFTextParagraph> {
 
-    /**
+    @Override
-     * create a new shape with a predefined geometry and add it to this shape container
-     */
     XSLFAutoShape createAutoShape();
 
-    /**
+    @Override
-     * create a new shape with a custom geometry
-     */
     XSLFFreeformShape createFreeform();
 
-    /**
+    @Override
-     * create a text box
-     */
     XSLFTextBox createTextBox();
 
-    /**
+    @Override
-     *
-     * create a connector
-     */
     XSLFConnectorShape createConnector();
 
-    /**
+    @Override
-     * create a group of shapes belonging to this container
-     */
     XSLFGroupShape createGroup();
 
-    /**
+    @Override
-     * create a picture belonging to this container
+    XSLFPictureShape createPicture(PictureData pictureData);
-     */
-    XSLFPictureShape createPicture(XSLFPictureData pictureData);
 
     /**
      * Removes all of the elements from this container (optional operation).

src/ooxml/java/org/apache/poi/xslf/usermodel/XSLFSheet.java

@@ -37,6 +37,7 @@ import org.apache.poi.openxml4j.opc.PackageRelationship;
 import org.apache.poi.openxml4j.opc.TargetMode;
 import org.apache.poi.sl.draw.DrawFactory;
 import org.apache.poi.sl.draw.Drawable;
+import org.apache.poi.sl.usermodel.PictureData;
 import org.apache.poi.sl.usermodel.Sheet;
 import org.apache.poi.util.Beta;
 import org.apache.poi.util.IOUtils;
@@ -53,7 +54,8 @@ import org.openxmlformats.schemas.presentationml.x2006.main.CTPlaceholder;
 import org.openxmlformats.schemas.presentationml.x2006.main.CTShape;
 
 @Beta
-public abstract class XSLFSheet extends POIXMLDocumentPart implements XSLFShapeContainer, Sheet<XSLFShape, XMLSlideShow> {
+public abstract class XSLFSheet extends POIXMLDocumentPart
+implements XSLFShapeContainer, Sheet<XSLFShape,XSLFTextParagraph> {
     private XSLFCommonSlideData _commonSlideData;
     private XSLFDrawing _drawing;
     private List<XSLFShape> _shapes;
@@ -72,9 +74,9 @@ public abstract class XSLFSheet extends POIXMLDocumentPart implements XSLFShapeC
     }
 
     /**
-     *
      * @return the XMLSlideShow this sheet belongs to
      */
+    @Override
     public XMLSlideShow getSlideShow() {
         POIXMLDocumentPart p = getParent();
         while(p != null) {
@@ -158,6 +160,7 @@ public abstract class XSLFSheet extends POIXMLDocumentPart implements XSLFShapeC
 
     // shape factory methods
 
+    @Override
     public XSLFAutoShape createAutoShape(){
         XSLFAutoShape sh = getDrawing().createAutoShape();
         getShapes().add(sh);
@@ -165,6 +168,7 @@ public abstract class XSLFSheet extends POIXMLDocumentPart implements XSLFShapeC
         return sh;
     }
 
+    @Override
     public XSLFFreeformShape createFreeform(){
         XSLFFreeformShape sh = getDrawing().createFreeform();
         getShapes().add(sh);
@@ -172,6 +176,7 @@ public abstract class XSLFSheet extends POIXMLDocumentPart implements XSLFShapeC
         return sh;
     }
 
+    @Override
     public XSLFTextBox createTextBox(){
         XSLFTextBox sh = getDrawing().createTextBox();
         getShapes().add(sh);
@@ -179,6 +184,7 @@ public abstract class XSLFSheet extends POIXMLDocumentPart implements XSLFShapeC
         return sh;
     }
 
+    @Override
     public XSLFConnectorShape createConnector(){
         XSLFConnectorShape sh = getDrawing().createConnector();
         getShapes().add(sh);
@@ -186,6 +192,7 @@ public abstract class XSLFSheet extends POIXMLDocumentPart implements XSLFShapeC
         return sh;
     }
 
+    @Override
     public XSLFGroupShape createGroup(){
         XSLFGroupShape sh = getDrawing().createGroup();
         getShapes().add(sh);
@@ -193,8 +200,13 @@ public abstract class XSLFSheet extends POIXMLDocumentPart implements XSLFShapeC
         return sh;
     }
 
-    public XSLFPictureShape createPicture(XSLFPictureData pictureData){
+    @Override
-        PackagePart pic = pictureData.getPackagePart();
+    public XSLFPictureShape createPicture(PictureData pictureData){
+        if (!(pictureData instanceof XSLFPictureData)) {
+            throw new IllegalArgumentException("pictureData needs to be of type XSLFPictureData");
+        }
+        XSLFPictureData xPictureData = (XSLFPictureData)pictureData;
+        PackagePart pic = xPictureData.getPackagePart();
 
         PackageRelationship rel = getPackagePart().addRelationship(
                 pic.getPartName(), TargetMode.INTERNAL, XSLFRelation.IMAGES.getRelation());
@@ -214,6 +226,24 @@ public abstract class XSLFSheet extends POIXMLDocumentPart implements XSLFShapeC
         return sh;
     }
 
+    @Override
+    public XSLFTable createTable(int numRows, int numCols){
+        if (numRows < 1 || numCols < 1) {
+            throw new IllegalArgumentException("numRows and numCols must be greater than 0");
+        }
+        XSLFTable sh = getDrawing().createTable();
+        getShapes().add(sh);
+        sh.setParent(this);
+        for (int r=0; r<numRows; r++) {
+            XSLFTableRow row = sh.addRow();
+            for (int c=0; c<numCols; c++) {
+                row.addCell();
+            }
+        }
+        return sh;
+    }
+
+    
     /**
      * Returns an iterator over the shapes in this sheet
      *
@@ -481,9 +511,9 @@ public abstract class XSLFSheet extends POIXMLDocumentPart implements XSLFShapeC
     }
 
     /**
-     *
      * @return  background for this sheet
      */
+    @Override
     public XSLFBackground getBackground() {
         return null;
     }

src/ooxml/java/org/apache/poi/xslf/usermodel/XSLFSimpleShape.java

@@ -54,7 +54,8 @@ import org.openxmlformats.schemas.presentationml.x2006.main.CTPlaceholder;
  * @author Yegor Kozlov
  */
 @Beta
-public abstract class XSLFSimpleShape extends XSLFShape implements SimpleShape {
+public abstract class XSLFSimpleShape extends XSLFShape
+    implements SimpleShape<XSLFShape,XSLFTextParagraph> {
     private static CTOuterShadowEffect NO_SHADOW = CTOuterShadowEffect.Factory.newInstance();
 
     /* package */XSLFSimpleShape(XmlObject shape, XSLFSheet sheet) {

src/ooxml/java/org/apache/poi/xslf/usermodel/XSLFSlide.java

@@ -24,6 +24,7 @@ import org.apache.poi.openxml4j.opc.PackagePart;
 import org.apache.poi.openxml4j.opc.PackageRelationship;
 import org.apache.poi.sl.draw.DrawFactory;
 import org.apache.poi.sl.draw.Drawable;
+import org.apache.poi.sl.usermodel.Notes;
 import org.apache.poi.sl.usermodel.Slide;
 import org.apache.poi.util.Beta;
 import org.apache.xmlbeans.XmlException;
@@ -41,7 +42,8 @@ import org.openxmlformats.schemas.presentationml.x2006.main.CTSlide;
 import org.openxmlformats.schemas.presentationml.x2006.main.SldDocument;
 
 @Beta
-public final class XSLFSlide extends XSLFSheet implements Slide<XSLFShape, XMLSlideShow, XSLFNotes> {
+public final class XSLFSlide extends XSLFSheet
+implements Slide<XSLFShape,XSLFTextParagraph> {
    private final CTSlide _slide;
    private XSLFSlideLayout _layout;
    private XSLFComments _comments;
@@ -254,11 +256,12 @@ public final class XSLFSlide extends XSLFSheet implements Slide<XSLFShape, XMLSl
         throw new UnsupportedOperationException();
     }
 
-    public void setNotes(XSLFNotes notes) {
+    @Override
+    public void setNotes(Notes<XSLFShape,XSLFTextParagraph> notes) {
+        assert(notes instanceof XSLFNotes);
         // TODO Auto-generated method stub
-        
     }
-
+    
     @Override
     public int getSlideNumber() {
         int idx = getSlideShow().getSlides().indexOf(this);

src/ooxml/java/org/apache/poi/xslf/usermodel/XSLFSlideLayout.java

@@ -31,7 +31,8 @@ import org.openxmlformats.schemas.presentationml.x2006.main.CTSlideLayout;
 import org.openxmlformats.schemas.presentationml.x2006.main.SldLayoutDocument;
 
 @Beta
-public class XSLFSlideLayout extends XSLFSheet implements MasterSheet<XSLFShape, XMLSlideShow> {
+public class XSLFSlideLayout extends XSLFSheet
+implements MasterSheet<XSLFShape,XSLFTextParagraph> {
     private CTSlideLayout _layout;
     private XSLFSlideMaster _master;
 

src/ooxml/java/org/apache/poi/xslf/usermodel/XSLFSlideMaster.java

@@ -54,7 +54,8 @@ import org.openxmlformats.schemas.presentationml.x2006.main.SldMasterDocument;
  * @author Yegor Kozlov
 */
 @Beta
- public class XSLFSlideMaster extends XSLFSheet implements MasterSheet<XSLFShape, XMLSlideShow> {
+ public class XSLFSlideMaster extends XSLFSheet
+ implements MasterSheet<XSLFShape,XSLFTextParagraph> {
 	private CTSlideMaster _slide;
     private Map<String, XSLFSlideLayout> _layouts;
     private XSLFTheme _theme;
@@ -83,7 +84,7 @@ import org.openxmlformats.schemas.presentationml.x2006.main.SldMasterDocument;
     }
 
     @Override
-    public MasterSheet<XSLFShape, XMLSlideShow> getMasterSheet() {
+    public XSLFSlideMaster getMasterSheet() {
         return null;
     }
 

src/ooxml/java/org/apache/poi/xslf/usermodel/XSLFTable.java

@@ -46,7 +46,8 @@ import org.openxmlformats.schemas.presentationml.x2006.main.CTGraphicalObjectFra
  *
  * @author Yegor Kozlov
  */
-public class XSLFTable extends XSLFGraphicFrame implements Iterable<XSLFTableRow>, TableShape {
+public class XSLFTable extends XSLFGraphicFrame implements Iterable<XSLFTableRow>,
+    TableShape<XSLFShape,XSLFTextParagraph> {
     static String TABLE_URI = "http://schemas.openxmlformats.org/drawingml/2006/table";
 
     private CTTable _table;

src/ooxml/java/org/apache/poi/xslf/usermodel/XSLFTableCell.java

@@ -21,14 +21,29 @@ package org.apache.poi.xslf.usermodel;
 
 import java.awt.Color;
 
+import org.apache.poi.sl.usermodel.TableCell;
 import org.apache.poi.sl.usermodel.VerticalAlignment;
 import org.apache.poi.util.Units;
-import org.openxmlformats.schemas.drawingml.x2006.main.*;
+import org.openxmlformats.schemas.drawingml.x2006.main.CTLineEndProperties;
+import org.openxmlformats.schemas.drawingml.x2006.main.CTLineProperties;
+import org.openxmlformats.schemas.drawingml.x2006.main.CTSRgbColor;
+import org.openxmlformats.schemas.drawingml.x2006.main.CTSolidColorFillProperties;
+import org.openxmlformats.schemas.drawingml.x2006.main.CTTableCell;
+import org.openxmlformats.schemas.drawingml.x2006.main.CTTableCellProperties;
+import org.openxmlformats.schemas.drawingml.x2006.main.CTTextBody;
+import org.openxmlformats.schemas.drawingml.x2006.main.STCompoundLine;
+import org.openxmlformats.schemas.drawingml.x2006.main.STLineCap;
+import org.openxmlformats.schemas.drawingml.x2006.main.STLineEndLength;
+import org.openxmlformats.schemas.drawingml.x2006.main.STLineEndType;
+import org.openxmlformats.schemas.drawingml.x2006.main.STLineEndWidth;
+import org.openxmlformats.schemas.drawingml.x2006.main.STPenAlignment;
+import org.openxmlformats.schemas.drawingml.x2006.main.STPresetLineDashVal;
+import org.openxmlformats.schemas.drawingml.x2006.main.STTextAnchoringType;
 
 /**
  * Represents a cell of a table in a .pptx presentation
  */
-public class XSLFTableCell extends XSLFTextShape {
+public class XSLFTableCell extends XSLFTextShape implements TableCell<XSLFShape,XSLFTextParagraph> {
     static double defaultBorderWidth = 1.0;
     private CTTableCellProperties _tcPr = null;
 

src/ooxml/java/org/apache/poi/xslf/usermodel/XSLFTextBox.java

@@ -19,6 +19,7 @@
 
 package org.apache.poi.xslf.usermodel;
 
+import org.apache.poi.sl.usermodel.TextBox;
 import org.apache.poi.util.Beta;
 import org.openxmlformats.schemas.drawingml.x2006.main.*;
 import org.openxmlformats.schemas.presentationml.x2006.main.CTShape;
@@ -29,7 +30,8 @@ import org.openxmlformats.schemas.presentationml.x2006.main.CTShapeNonVisual;
  * @author Yegor Kozlov
  */
 @Beta
-public class XSLFTextBox extends XSLFAutoShape {
+public class XSLFTextBox extends XSLFAutoShape
+    implements TextBox<XSLFShape,XSLFTextParagraph> {
 
     /*package*/ XSLFTextBox(CTShape shape, XSLFSheet sheet){
         super(shape, sheet);

src/ooxml/java/org/apache/poi/xslf/usermodel/XSLFTextParagraph.java

@@ -44,7 +44,7 @@ import org.openxmlformats.schemas.presentationml.x2006.main.STPlaceholderType;
  * @since POI-3.8
  */
 @Beta
-public class XSLFTextParagraph implements TextParagraph<XSLFTextRun> {
+public class XSLFTextParagraph implements TextParagraph<XSLFShape,XSLFTextParagraph,XSLFTextRun> {
     private final CTTextParagraph _p;
     private final List<XSLFTextRun> _runs;
     private final XSLFTextShape _shape;

src/ooxml/java/org/apache/poi/xslf/usermodel/XSLFTextShape.java

@@ -48,7 +48,8 @@ import org.openxmlformats.schemas.presentationml.x2006.main.CTPlaceholder;
  * Represents a shape that can hold text.
  */
 @Beta
-public abstract class XSLFTextShape extends XSLFSimpleShape implements TextShape<XSLFTextParagraph> {
+public abstract class XSLFTextShape extends XSLFSimpleShape
+    implements TextShape<XSLFShape,XSLFTextParagraph> {
     private final List<XSLFTextParagraph> _paragraphs;
 
     @SuppressWarnings("deprecation")
@@ -96,10 +97,7 @@ public abstract class XSLFTextShape extends XSLFSimpleShape implements TextShape
         addNewTextParagraph().addNewTextRun().setText(text);
     }
 
-    /**
+    @Override
-     *
-     * @return text paragraphs in this shape
-     */
     public List<XSLFTextParagraph> getTextParagraphs() {
         return _paragraphs;
     }
@@ -459,7 +457,7 @@ public abstract class XSLFTextShape extends XSLFSimpleShape implements TextShape
     @Override
     public double getTextHeight(){
         DrawFactory drawFact = DrawFactory.getInstance(null);
-        DrawTextShape<XSLFTextShape> dts = drawFact.getDrawable(this);
+        DrawTextShape dts = drawFact.getDrawable(this);
         return dts.getTextHeight();
     }
 

src/ooxml/java/org/apache/poi/xslf/util/PPTX2PNG.java

@@ -116,8 +116,8 @@ public class PPTX2PNG {
         if (!quite) {
             System.out.println("Processing " + file);
         }
-        SlideShow ss = SlideShowFactory.create(file, null, true);
+        SlideShow<?,?> ss = SlideShowFactory.create(file, null, true);
-        List<? extends Slide<?,?,?>> slides = ss.getSlides();
+        List<? extends Slide<?,?>> slides = ss.getSlides();
 
         
         if (slidenum < -1 || slidenum == 0 || slidenum > slides.size()) {
@@ -130,7 +130,7 @@ public class PPTX2PNG {
         int height = (int) (pgsize.height * scale);
 
         int slideNo=1;
-        for(Slide<?,?,?> slide : slides) {
+        for(Slide<?,?> slide : slides) {
             if (slidenum == -1 || slideNo == slidenum) {
                 String title = slide.getTitle();
                 if (!quite) {

src/ooxml/testcases/org/apache/poi/xslf/usermodel/TestXSLFTextParagraph.java

@@ -44,7 +44,7 @@ import org.junit.Test;
 public class TestXSLFTextParagraph {
     // private static POILogger _logger = POILogFactory.getLogger(XSLFTextParagraph.class);
 
-    static class DrawTextParagraphProxy extends DrawTextParagraph<XSLFTextRun> {
+    static class DrawTextParagraphProxy extends DrawTextParagraph {
         DrawTextParagraphProxy(XSLFTextParagraph p) {
             super(p);
         }

src/scratchpad/src/org/apache/poi/hslf/model/ActiveXShape.java

@@ -20,10 +20,10 @@ package org.apache.poi.hslf.model;
 import java.io.ByteArrayOutputStream;
 import java.util.Iterator;
 
+import org.apache.poi.ddf.AbstractEscherOptRecord;
 import org.apache.poi.ddf.EscherClientDataRecord;
 import org.apache.poi.ddf.EscherComplexProperty;
 import org.apache.poi.ddf.EscherContainerRecord;
-import org.apache.poi.ddf.EscherOptRecord;
 import org.apache.poi.ddf.EscherProperties;
 import org.apache.poi.ddf.EscherRecord;
 import org.apache.poi.ddf.EscherSpRecord;
@@ -34,7 +34,11 @@ import org.apache.poi.hslf.record.ExObjList;
 import org.apache.poi.hslf.record.OEShapeAtom;
 import org.apache.poi.hslf.record.Record;
 import org.apache.poi.hslf.record.RecordTypes;
-import org.apache.poi.hslf.usermodel.*;
+import org.apache.poi.hslf.usermodel.HSLFPictureData;
+import org.apache.poi.hslf.usermodel.HSLFPictureShape;
+import org.apache.poi.hslf.usermodel.HSLFShape;
+import org.apache.poi.hslf.usermodel.HSLFSheet;
+import org.apache.poi.hslf.usermodel.HSLFTextParagraph;
 import org.apache.poi.sl.usermodel.ShapeContainer;
 import org.apache.poi.sl.usermodel.ShapeType;
 import org.apache.poi.util.LittleEndian;
@@ -66,7 +70,7 @@ public final class ActiveXShape extends HSLFPictureShape {
       *        this picture in the <code>Slide</code>
       * @param parent the parent shape of this picture
       */
-     protected ActiveXShape(EscherContainerRecord escherRecord, ShapeContainer<HSLFShape> parent){
+     protected ActiveXShape(EscherContainerRecord escherRecord, ShapeContainer<HSLFShape,HSLFTextParagraph> parent){
         super(escherRecord, parent);
     }
 
@@ -172,7 +176,7 @@ public final class ActiveXShape extends HSLFPictureShape {
         String name = ctrl.getProgId() + "-" + getControlIndex() + '\u0000';
         byte[] data = StringUtil.getToUnicodeLE(name);
         EscherComplexProperty prop = new EscherComplexProperty(EscherProperties.GROUPSHAPE__SHAPENAME, false, data);
-        EscherOptRecord opt = getEscherOptRecord();
+        AbstractEscherOptRecord opt = getEscherOptRecord();
         opt.addEscherProperty(prop);
     }
 }

src/scratchpad/src/org/apache/poi/hslf/model/MovieShape.java

@@ -55,7 +55,7 @@ public final class MovieShape extends HSLFPictureShape {
      * @param pictureData the picture data
      * @param parent the parent shape
      */
-    public MovieShape(int movieIdx, HSLFPictureData pictureData, ShapeContainer<HSLFShape> parent) {
+    public MovieShape(int movieIdx, HSLFPictureData pictureData, ShapeContainer<HSLFShape,HSLFTextParagraph> parent) {
         super(pictureData, parent);
         setMovieIndex(movieIdx);
     }
@@ -67,7 +67,7 @@ public final class MovieShape extends HSLFPictureShape {
       *        this picture in the <code>Slide</code>
       * @param parent the parent shape of this picture
       */
-    public MovieShape(EscherContainerRecord escherRecord, ShapeContainer<HSLFShape> parent){
+    public MovieShape(EscherContainerRecord escherRecord, ShapeContainer<HSLFShape,HSLFTextParagraph> parent){
         super(escherRecord, parent);
     }
 

src/scratchpad/src/org/apache/poi/hslf/model/OLEShape.java

@@ -51,7 +51,7 @@ public final class OLEShape extends HSLFPictureShape {
      * @param data the picture data
      * @param parent the parent shape
      */
-    public OLEShape(HSLFPictureData data, ShapeContainer<HSLFShape> parent) {
+    public OLEShape(HSLFPictureData data, ShapeContainer<HSLFShape,HSLFTextParagraph> parent) {
         super(data, parent);
     }
 
@@ -62,7 +62,7 @@ public final class OLEShape extends HSLFPictureShape {
       *        this picture in the <code>Slide</code>
       * @param parent the parent shape of this picture
       */
-    public OLEShape(EscherContainerRecord escherRecord, ShapeContainer<HSLFShape> parent){
+    public OLEShape(EscherContainerRecord escherRecord, ShapeContainer<HSLFShape,HSLFTextParagraph> parent){
         super(escherRecord, parent);
     }
 

src/scratchpad/src/org/apache/poi/hslf/model/Placeholder.java

@@ -21,6 +21,7 @@ import org.apache.poi.ddf.*;
 import org.apache.poi.hslf.record.OEPlaceholderAtom;
 import org.apache.poi.hslf.usermodel.HSLFShape;
 import org.apache.poi.hslf.usermodel.HSLFTextBox;
+import org.apache.poi.hslf.usermodel.HSLFTextParagraph;
 import org.apache.poi.hslf.exceptions.HSLFException;
 import org.apache.poi.sl.usermodel.ShapeContainer;
 
@@ -33,11 +34,11 @@ import java.io.ByteArrayOutputStream;
  */
 public final class Placeholder extends HSLFTextBox {
 
-    protected Placeholder(EscherContainerRecord escherRecord, ShapeContainer<HSLFShape> parent){
+    protected Placeholder(EscherContainerRecord escherRecord, ShapeContainer<HSLFShape,HSLFTextParagraph> parent){
         super(escherRecord, parent);
     }
 
-    public Placeholder(ShapeContainer<HSLFShape> parent){
+    public Placeholder(ShapeContainer<HSLFShape,HSLFTextParagraph> parent){
         super(parent);
     }
 
@@ -59,7 +60,7 @@ public final class Placeholder extends HSLFTextBox {
         EscherClientDataRecord cldata = new EscherClientDataRecord();
         cldata.setOptions((short)15);
 
-        EscherOptRecord opt = getEscherOptRecord();
+        AbstractEscherOptRecord opt = getEscherOptRecord();
 
         //Placeholders can't be grouped
         setEscherProperty(opt, EscherProperties.PROTECTION__LOCKAGAINSTGROUPING, 262144);

src/scratchpad/src/org/apache/poi/hslf/model/Polygon.java

@@ -38,7 +38,7 @@ public final class Polygon extends HSLFAutoShape {
      * @param escherRecord       <code>EscherSpContainer</code> container which holds information about this shape
      * @param parent    the parent of the shape
      */
-   protected Polygon(EscherContainerRecord escherRecord, ShapeContainer<HSLFShape> parent){
+   protected Polygon(EscherContainerRecord escherRecord, ShapeContainer<HSLFShape,HSLFTextParagraph> parent){
         super(escherRecord, parent);
 
     }
@@ -49,7 +49,7 @@ public final class Polygon extends HSLFAutoShape {
      * @param parent    the parent of this Shape. For example, if this text box is a cell
      * in a table then the parent is Table.
      */
-    public Polygon(ShapeContainer<HSLFShape> parent){
+    public Polygon(ShapeContainer<HSLFShape,HSLFTextParagraph> parent){
         super((EscherContainerRecord)null, parent);
         _escherContainer = createSpContainer(ShapeType.NOT_PRIMITIVE, parent instanceof HSLFGroupShape);
     }
@@ -75,7 +75,7 @@ public final class Polygon extends HSLFAutoShape {
         float left   = findSmallest(xPoints);
         float top    = findSmallest(yPoints);
 
-        EscherOptRecord opt = getEscherOptRecord();
+        AbstractEscherOptRecord opt = getEscherOptRecord();
         opt.addEscherProperty(new EscherSimpleProperty(EscherProperties.GEOMETRY__RIGHT, Units.pointsToMaster(right - left)));
         opt.addEscherProperty(new EscherSimpleProperty(EscherProperties.GEOMETRY__BOTTOM, Units.pointsToMaster(bottom - top)));
 

src/scratchpad/src/org/apache/poi/hslf/usermodel/HSLFAutoShape.java

@@ -31,13 +31,13 @@ import org.apache.poi.ss.usermodel.ShapeTypes;
  *
  *  @author Yegor Kozlov
  */
-public class HSLFAutoShape extends HSLFTextShape implements AutoShape<HSLFTextParagraph> {
+public class HSLFAutoShape extends HSLFTextShape implements AutoShape<HSLFShape,HSLFTextParagraph> {
 
-    protected HSLFAutoShape(EscherContainerRecord escherRecord, ShapeContainer<HSLFShape> parent){
+    protected HSLFAutoShape(EscherContainerRecord escherRecord, ShapeContainer<HSLFShape,HSLFTextParagraph> parent){
         super(escherRecord, parent);
     }
 
-    public HSLFAutoShape(ShapeType type, ShapeContainer<HSLFShape> parent){
+    public HSLFAutoShape(ShapeType type, ShapeContainer<HSLFShape,HSLFTextParagraph> parent){
         super(null, parent);
         _escherContainer = createSpContainer(type, parent instanceof HSLFGroupShape);
     }

src/scratchpad/src/org/apache/poi/hslf/usermodel/HSLFBackground.java

@@ -26,9 +26,9 @@ import org.apache.poi.sl.usermodel.ShapeContainer;
  *
  * @author Yegor Kozlov
  */
-public final class HSLFBackground extends HSLFShape implements Background {
+public final class HSLFBackground extends HSLFShape implements Background<HSLFShape,HSLFTextParagraph> {
 
-    protected HSLFBackground(EscherContainerRecord escherRecord, ShapeContainer<HSLFShape> parent) {
+    protected HSLFBackground(EscherContainerRecord escherRecord, ShapeContainer<HSLFShape,HSLFTextParagraph> parent) {
         super(escherRecord, parent);
     }
 

src/scratchpad/src/org/apache/poi/hslf/usermodel/HSLFConnectorShape.java

@@ -0,0 +1,65 @@
+/*
+ *  ====================================================================
+ *    Licensed to the Apache Software Foundation (ASF) under one or more
+ *    contributor license agreements.  See the NOTICE file distributed with
+ *    this work for additional information regarding copyright ownership.
+ *    The ASF licenses this file to You under the Apache License, Version 2.0
+ *    (the "License"); you may not use this file except in compliance with
+ *    the License.  You may obtain a copy of the License at
+ *
+ *        http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *    Unless required by applicable law or agreed to in writing, software
+ *    distributed under the License is distributed on an "AS IS" BASIS,
+ *    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *    See the License for the specific language governing permissions and
+ *    limitations under the License.
+ * ====================================================================
+ */
+
+package org.apache.poi.hslf.usermodel;
+
+import org.apache.poi.ddf.EscherContainerRecord;
+import org.apache.poi.sl.usermodel.ConnectorShape;
+import org.apache.poi.sl.usermodel.ShapeContainer;
+import org.apache.poi.util.Beta;
+
+/**
+ * Specifies a connection shape.
+ * 
+ * This is currently only a dummy implementation.
+ */
+@Beta
+public class HSLFConnectorShape extends HSLFSimpleShape
+implements ConnectorShape<HSLFShape,HSLFTextParagraph> {
+
+    /**
+     * Create a ConnectorShape object and initialize it from the supplied Record container.
+     *
+     * @param escherRecord       <code>EscherSpContainer</code> container which holds information about this shape
+     * @param parent    the parent of the shape
+     */
+   protected HSLFConnectorShape(EscherContainerRecord escherRecord, ShapeContainer<HSLFShape,HSLFTextParagraph> parent){
+        super(escherRecord, parent);
+
+    }
+
+    /**
+     * Create a new ConnectorShape. This constructor is used when a new shape is created.
+     *
+     * @param parent    the parent of this Shape. For example, if this text box is a cell
+     * in a table then the parent is Table.
+     */
+    public HSLFConnectorShape(ShapeContainer<HSLFShape,HSLFTextParagraph> parent){
+        super(null, parent);
+        _escherContainer = createSpContainer(parent instanceof HSLFGroupShape);
+    }
+
+    /**
+     * Create a new ConnectorShape. This constructor is used when a new shape is created.
+     *
+     */
+    public HSLFConnectorShape(){
+        this(null);
+    }
+}

src/scratchpad/src/org/apache/poi/hslf/usermodel/HSLFFill.java

@@ -22,9 +22,9 @@ import java.io.ByteArrayInputStream;
 import java.io.InputStream;
 import java.util.List;
 
+import org.apache.poi.ddf.AbstractEscherOptRecord;
 import org.apache.poi.ddf.EscherBSERecord;
 import org.apache.poi.ddf.EscherContainerRecord;
-import org.apache.poi.ddf.EscherOptRecord;
 import org.apache.poi.ddf.EscherProperties;
 import org.apache.poi.ddf.EscherRecord;
 import org.apache.poi.ddf.EscherSimpleProperty;
@@ -155,7 +155,7 @@ public final class HSLFFill {
      * @return type of fill
      */
     public int getFillType(){
-        EscherOptRecord opt = shape.getEscherOptRecord();
+        AbstractEscherOptRecord opt = shape.getEscherOptRecord();
         EscherSimpleProperty prop = HSLFShape.getEscherProperty(opt, EscherProperties.FILL__FILLTYPE);
         return prop == null ? FILL_SOLID : prop.getPropertyValue();
     }
@@ -163,7 +163,7 @@ public final class HSLFFill {
     /**
      */
     protected void afterInsert(HSLFSheet sh){
-        EscherOptRecord opt = shape.getEscherOptRecord();
+        AbstractEscherOptRecord opt = shape.getEscherOptRecord();
         EscherSimpleProperty p = HSLFShape.getEscherProperty(opt, EscherProperties.FILL__PATTERNTEXTURE);
         if(p != null) {
             int idx = p.getPropertyValue();
@@ -197,7 +197,7 @@ public final class HSLFFill {
      * @param type type of the fill
      */
     public void setFillType(int type){
-        EscherOptRecord opt = shape.getEscherOptRecord();
+        AbstractEscherOptRecord opt = shape.getEscherOptRecord();
         HSLFShape.setEscherProperty(opt, EscherProperties.FILL__FILLTYPE, type);
     }
 
@@ -205,7 +205,7 @@ public final class HSLFFill {
      * Foreground color
      */
     public Color getForegroundColor(){
-        EscherOptRecord opt = shape.getEscherOptRecord();
+        AbstractEscherOptRecord opt = shape.getEscherOptRecord();
         EscherSimpleProperty p = HSLFShape.getEscherProperty(opt, EscherProperties.FILL__NOFILLHITTEST);
 
         if(p != null && (p.getPropertyValue() & 0x10) == 0) return null;
@@ -218,7 +218,7 @@ public final class HSLFFill {
      * Foreground color
      */
     public void setForegroundColor(Color color){
-        EscherOptRecord opt = shape.getEscherOptRecord();
+        AbstractEscherOptRecord opt = shape.getEscherOptRecord();
         if (color == null) {
             HSLFShape.setEscherProperty(opt, EscherProperties.FILL__NOFILLHITTEST, 0x150000);
         }
@@ -233,7 +233,7 @@ public final class HSLFFill {
      * Background color
      */
     public Color getBackgroundColor(){
-        EscherOptRecord opt = shape.getEscherOptRecord();
+        AbstractEscherOptRecord opt = shape.getEscherOptRecord();
         EscherSimpleProperty p = HSLFShape.getEscherProperty(opt, EscherProperties.FILL__NOFILLHITTEST);
 
         if(p != null && (p.getPropertyValue() & 0x10) == 0) return null;
@@ -245,7 +245,7 @@ public final class HSLFFill {
      * Background color
      */
     public void setBackgroundColor(Color color){
-        EscherOptRecord opt = shape.getEscherOptRecord();
+        AbstractEscherOptRecord opt = shape.getEscherOptRecord();
         if (color == null) {
             HSLFShape.setEscherProperty(opt, EscherProperties.FILL__FILLBACKCOLOR, -1);
         }
@@ -259,7 +259,7 @@ public final class HSLFFill {
      * <code>PictureData</code> object used in a texture, pattern of picture fill.
      */
     public HSLFPictureData getPictureData(){
-        EscherOptRecord opt = shape.getEscherOptRecord();
+        AbstractEscherOptRecord opt = shape.getEscherOptRecord();
         EscherSimpleProperty p = HSLFShape.getEscherProperty(opt, EscherProperties.FILL__PATTERNTEXTURE);
         if (p == null) return null;
 
@@ -292,7 +292,7 @@ public final class HSLFFill {
      * @param data the picture data added to this ppt by {@link HSLFSlideShow#addPicture(byte[], org.apache.poi.sl.usermodel.PictureData.PictureType)} method.
      */
     public void setPictureData(HSLFPictureData data){
-        EscherOptRecord opt = shape.getEscherOptRecord();
+        AbstractEscherOptRecord opt = shape.getEscherOptRecord();
         HSLFShape.setEscherProperty(opt, (short)(EscherProperties.FILL__PATTERNTEXTURE + 0x4000), (data == null ? 0 : data.getIndex()));
         if(data != null && shape.getSheet() != null) {
             EscherBSERecord bse = getEscherBSERecord(data.getIndex());

src/scratchpad/src/org/apache/poi/hslf/usermodel/HSLFFreeformShape.java

@@ -26,9 +26,9 @@ import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.List;
 
+import org.apache.poi.ddf.AbstractEscherOptRecord;
 import org.apache.poi.ddf.EscherArrayProperty;
 import org.apache.poi.ddf.EscherContainerRecord;
-import org.apache.poi.ddf.EscherOptRecord;
 import org.apache.poi.ddf.EscherProperties;
 import org.apache.poi.ddf.EscherSimpleProperty;
 import org.apache.poi.sl.usermodel.FreeformShape;
@@ -47,7 +47,7 @@ import org.apache.poi.util.Units;
  * </p>
  * @author Yegor Kozlov
  */
-public final class HSLFFreeformShape extends HSLFAutoShape implements FreeformShape<HSLFTextParagraph> {
+public final class HSLFFreeformShape extends HSLFAutoShape implements FreeformShape<HSLFShape,HSLFTextParagraph> {
 
     public static final byte[] SEGMENTINFO_MOVETO   = new byte[]{0x00, 0x40};
     public static final byte[] SEGMENTINFO_LINETO   = new byte[]{0x00, (byte)0xAC};
@@ -64,7 +64,7 @@ public final class HSLFFreeformShape extends HSLFAutoShape implements FreeformSh
      * @param escherRecord       <code>EscherSpContainer</code> container which holds information about this shape
      * @param parent    the parent of the shape
      */
-   protected HSLFFreeformShape(EscherContainerRecord escherRecord, ShapeContainer<HSLFShape> parent){
+   protected HSLFFreeformShape(EscherContainerRecord escherRecord, ShapeContainer<HSLFShape,HSLFTextParagraph> parent){
         super(escherRecord, parent);
 
     }
@@ -75,7 +75,7 @@ public final class HSLFFreeformShape extends HSLFAutoShape implements FreeformSh
      * @param parent    the parent of this Shape. For example, if this text box is a cell
      * in a table then the parent is Table.
      */
-    public HSLFFreeformShape(ShapeContainer<HSLFShape> parent){
+    public HSLFFreeformShape(ShapeContainer<HSLFShape,HSLFTextParagraph> parent){
         super((EscherContainerRecord)null, parent);
         _escherContainer = createSpContainer(ShapeType.NOT_PRIMITIVE, parent instanceof HSLFGroupShape);
     }
@@ -140,7 +140,7 @@ public final class HSLFFreeformShape extends HSLFAutoShape implements FreeformSh
         if(!isClosed) segInfo.add(SEGMENTINFO_LINETO);
         segInfo.add(new byte[]{0x00, (byte)0x80});
 
-        EscherOptRecord opt = getEscherOptRecord();
+        AbstractEscherOptRecord opt = getEscherOptRecord();
         opt.addEscherProperty(new EscherSimpleProperty(EscherProperties.GEOMETRY__SHAPEPATH, 0x4));
 
         EscherArrayProperty verticesProp = new EscherArrayProperty((short)(EscherProperties.GEOMETRY__VERTICES + 0x4000), false, null);
@@ -178,7 +178,7 @@ public final class HSLFFreeformShape extends HSLFAutoShape implements FreeformSh
 
     @Override
     public GeneralPath getPath(){
-        EscherOptRecord opt = getEscherOptRecord();
+        AbstractEscherOptRecord opt = getEscherOptRecord();
         opt.addEscherProperty(new EscherSimpleProperty(EscherProperties.GEOMETRY__SHAPEPATH, 0x4));
 
         EscherArrayProperty verticesProp = getEscherProperty(opt, (short)(EscherProperties.GEOMETRY__VERTICES + 0x4000));

src/scratchpad/src/org/apache/poi/hslf/usermodel/HSLFGroupShape.java

@@ -17,11 +17,22 @@
 
 package org.apache.poi.hslf.usermodel;
 
+import java.awt.Rectangle;
 import java.awt.geom.Rectangle2D;
-import java.util.*;
+import java.util.ArrayList;
+import java.util.Iterator;
+import java.util.List;
 
-import org.apache.poi.ddf.*;
+import org.apache.poi.ddf.EscherChildAnchorRecord;
-import org.apache.poi.sl.usermodel.*;
+import org.apache.poi.ddf.EscherClientAnchorRecord;
+import org.apache.poi.ddf.EscherContainerRecord;
+import org.apache.poi.ddf.EscherRecord;
+import org.apache.poi.ddf.EscherSpRecord;
+import org.apache.poi.ddf.EscherSpgrRecord;
+import org.apache.poi.sl.usermodel.GroupShape;
+import org.apache.poi.sl.usermodel.PictureData;
+import org.apache.poi.sl.usermodel.ShapeContainer;
+import org.apache.poi.sl.usermodel.ShapeType;
 import org.apache.poi.util.LittleEndian;
 import org.apache.poi.util.POILogger;
 import org.apache.poi.util.Units;
@@ -31,7 +42,8 @@ import org.apache.poi.util.Units;
  *
  * @author Yegor Kozlov
  */
-public class HSLFGroupShape extends HSLFShape implements GroupShape<HSLFShape> {
+public class HSLFGroupShape extends HSLFShape
+implements HSLFShapeContainer, GroupShape<HSLFShape,HSLFTextParagraph> {
 
     /**
       * Create a new ShapeGroup. This constructor is used when a new shape is created.
@@ -43,12 +55,22 @@ public class HSLFGroupShape extends HSLFShape implements GroupShape<HSLFShape> {
     }
 
     /**
-      * Create a ShapeGroup object and initilize it from the supplied Record container.
+      * Create a new ShapeGroup. This constructor is used when a new shape is created.
+      *
+      * @param parent    the parent of the shape
+      */
+    public HSLFGroupShape(ShapeContainer<HSLFShape,HSLFTextParagraph> parent){
+        this(null, parent);
+        _escherContainer = createSpContainer(parent instanceof HSLFGroupShape);
+    }
+
+    /**
+      * Create a ShapeGroup object and initialize it from the supplied Record container.
       *
       * @param escherRecord       <code>EscherSpContainer</code> container which holds information about this shape
       * @param parent    the parent of the shape
       */
-    protected HSLFGroupShape(EscherContainerRecord escherRecord, ShapeContainer<HSLFShape> parent){
+    protected HSLFGroupShape(EscherContainerRecord escherRecord, ShapeContainer<HSLFShape,HSLFTextParagraph> parent){
         super(escherRecord, parent);
     }
 
@@ -273,4 +295,68 @@ public class HSLFGroupShape extends HSLFShape implements GroupShape<HSLFShape> {
         return shapeList;
     }
 
+    @Override
+    public HSLFTextBox createTextBox() {
+        HSLFTextBox s = new HSLFTextBox(this);
+        s.setHorizontalCentered(true);
+        s.setAnchor(new Rectangle(0, 0, 100, 100));
+        addShape(s);
+        return s;
+    }
+
+    @Override
+    public HSLFAutoShape createAutoShape() {
+        HSLFAutoShape s = new HSLFAutoShape(ShapeType.RECT, this);
+        s.setHorizontalCentered(true);
+        s.setAnchor(new Rectangle(0, 0, 100, 100));
+        addShape(s);
+        return s;
+    }
+
+    @Override
+    public HSLFFreeformShape createFreeform() {
+        HSLFFreeformShape s = new HSLFFreeformShape(this);
+        s.setHorizontalCentered(true);
+        s.setAnchor(new Rectangle(0, 0, 100, 100));
+        addShape(s);
+        return s;
+    }
+
+    @Override
+    public HSLFConnectorShape createConnector() {
+        HSLFConnectorShape s = new HSLFConnectorShape(this);
+        s.setAnchor(new Rectangle(0, 0, 100, 100));
+        addShape(s);
+        return s;
+    }
+
+    @Override
+    public HSLFGroupShape createGroup() {
+        HSLFGroupShape s = new HSLFGroupShape(this);
+        s.setAnchor(new Rectangle(0, 0, 100, 100));
+        addShape(s);
+        return s;
+    }
+
+    @Override
+    public HSLFPictureShape createPicture(PictureData pictureData) {
+        if (!(pictureData instanceof HSLFPictureData)) {
+            throw new IllegalArgumentException("pictureData needs to be of type HSLFPictureData");
+        }
+        HSLFPictureShape s = new HSLFPictureShape((HSLFPictureData)pictureData, this);
+        s.setAnchor(new Rectangle(0, 0, 100, 100));
+        addShape(s);
+        return s;
+    }
+
+    @Override
+    public HSLFTable createTable(int numRows, int numCols) {
+        if (numRows < 1 || numCols < 1) {
+            throw new IllegalArgumentException("numRows and numCols must be greater than 0");
+        }
+        HSLFTable s = new HSLFTable(numRows,numCols,this);
+        s.setAnchor(new Rectangle(0, 0, 100, 100));
+        addShape(s);
+        return s;
+    }
 }

src/scratchpad/src/org/apache/poi/hslf/usermodel/HSLFLine.java

@@ -17,8 +17,8 @@
 
 package org.apache.poi.hslf.usermodel;
 
+import org.apache.poi.ddf.AbstractEscherOptRecord;
 import org.apache.poi.ddf.EscherContainerRecord;
-import org.apache.poi.ddf.EscherOptRecord;
 import org.apache.poi.ddf.EscherProperties;
 import org.apache.poi.ddf.EscherSpRecord;
 import org.apache.poi.sl.usermodel.Line;
@@ -30,12 +30,12 @@ import org.apache.poi.sl.usermodel.ShapeType;
  *
  *  @author Yegor Kozlov
  */
-public final class HSLFLine extends HSLFTextShape implements Line<HSLFTextParagraph> {
+public final class HSLFLine extends HSLFTextShape implements Line<HSLFShape,HSLFTextParagraph> {
-    public HSLFLine(EscherContainerRecord escherRecord, ShapeContainer<HSLFShape> parent){
+    public HSLFLine(EscherContainerRecord escherRecord, ShapeContainer<HSLFShape,HSLFTextParagraph> parent){
         super(escherRecord, parent);
     }
 
-    public HSLFLine(ShapeContainer<HSLFShape> parent){
+    public HSLFLine(ShapeContainer<HSLFShape,HSLFTextParagraph> parent){
         super(null, parent);
         _escherContainer = createSpContainer(parent instanceof HSLFGroupShape);
     }
@@ -54,7 +54,7 @@ public final class HSLFLine extends HSLFTextShape implements Line<HSLFTextParagr
         spRecord.setOptions(type);
 
         //set default properties for a line
-        EscherOptRecord opt = getEscherOptRecord();
+        AbstractEscherOptRecord opt = getEscherOptRecord();
 
         //default line properties
         setEscherProperty(opt, EscherProperties.GEOMETRY__SHAPEPATH, 4);

src/scratchpad/src/org/apache/poi/hslf/usermodel/HSLFMasterSheet.java

@@ -28,7 +28,7 @@ import org.apache.poi.sl.usermodel.MasterSheet;
  *
  * @author Yegor Kozlov
  */
-public abstract class HSLFMasterSheet extends HSLFSheet implements MasterSheet<HSLFShape,HSLFSlideShow> {
+public abstract class HSLFMasterSheet extends HSLFSheet implements MasterSheet<HSLFShape,HSLFTextParagraph> {
     public HSLFMasterSheet(SheetContainer container, int sheetNo){
         super(container, sheetNo);
     }

src/scratchpad/src/org/apache/poi/hslf/usermodel/HSLFNotes.java

@@ -32,7 +32,7 @@ import org.apache.poi.util.POILogger;
  * @author Nick Burch
  */
 
-public final class HSLFNotes extends HSLFSheet implements Notes<HSLFShape, HSLFSlideShow> {
+public final class HSLFNotes extends HSLFSheet implements Notes<HSLFShape,HSLFTextParagraph> {
     protected static final POILogger logger = POILogFactory.getLogger(HSLFNotes.class);
     
     private List<List<HSLFTextParagraph>> _paragraphs = new ArrayList<List<HSLFTextParagraph>>();

src/scratchpad/src/org/apache/poi/hslf/usermodel/HSLFPictureShape.java

@@ -26,10 +26,10 @@ import java.util.List;
 
 import javax.imageio.ImageIO;
 
+import org.apache.poi.ddf.AbstractEscherOptRecord;
 import org.apache.poi.ddf.EscherBSERecord;
 import org.apache.poi.ddf.EscherComplexProperty;
 import org.apache.poi.ddf.EscherContainerRecord;
-import org.apache.poi.ddf.EscherOptRecord;
 import org.apache.poi.ddf.EscherProperties;
 import org.apache.poi.ddf.EscherRecord;
 import org.apache.poi.ddf.EscherSimpleProperty;
@@ -49,7 +49,7 @@ import org.apache.poi.util.Units;
  *
  * @author Yegor Kozlov
  */
-public class HSLFPictureShape extends HSLFSimpleShape implements PictureShape {
+public class HSLFPictureShape extends HSLFSimpleShape implements PictureShape<HSLFShape,HSLFTextParagraph> {
 
     /**
      * Create a new <code>Picture</code>
@@ -66,7 +66,7 @@ public class HSLFPictureShape extends HSLFSimpleShape implements PictureShape {
      * @param data the picture data
      * @param parent the parent shape
      */
-    public HSLFPictureShape(HSLFPictureData data, ShapeContainer<HSLFShape> parent) {
+    public HSLFPictureShape(HSLFPictureData data, ShapeContainer<HSLFShape,HSLFTextParagraph> parent) {
         super(null, parent);
         _escherContainer = createSpContainer(data.getIndex(), parent instanceof HSLFGroupShape);
     }
@@ -78,7 +78,7 @@ public class HSLFPictureShape extends HSLFSimpleShape implements PictureShape {
       *        this picture in the <code>Slide</code>
       * @param parent the parent shape of this picture
       */
-     protected HSLFPictureShape(EscherContainerRecord escherRecord, ShapeContainer<HSLFShape> parent){
+     protected HSLFPictureShape(EscherContainerRecord escherRecord, ShapeContainer<HSLFShape,HSLFTextParagraph> parent){
         super(escherRecord, parent);
     }
 
@@ -90,7 +90,7 @@ public class HSLFPictureShape extends HSLFSimpleShape implements PictureShape {
      * @return the index to this picture (1 based).
      */
     public int getPictureIndex(){
-        EscherOptRecord opt = getEscherOptRecord();
+        AbstractEscherOptRecord opt = getEscherOptRecord();
         EscherSimpleProperty prop = getEscherProperty(opt, EscherProperties.BLIP__BLIPTODISPLAY);
         return prop == null ? 0 : prop.getPropertyValue();
     }
@@ -109,7 +109,7 @@ public class HSLFPictureShape extends HSLFSimpleShape implements PictureShape {
         spRecord.setOptions((short)((ShapeType.FRAME.nativeId << 4) | 0x2));
 
         //set default properties for a picture
-        EscherOptRecord opt = getEscherOptRecord();
+        AbstractEscherOptRecord opt = getEscherOptRecord();
         setEscherProperty(opt, EscherProperties.PROTECTION__LOCKAGAINSTGROUPING, 0x800080);
 
         //another weird feature of powerpoint: for picture id we must add 0x4000.
@@ -189,7 +189,7 @@ public class HSLFPictureShape extends HSLFSimpleShape implements PictureShape {
      * @return name of this picture
      */
     public String getPictureName(){
-        EscherOptRecord opt = getEscherOptRecord();
+        AbstractEscherOptRecord opt = getEscherOptRecord();
         EscherComplexProperty prop = getEscherProperty(opt, EscherProperties.BLIP__BLIPFILENAME);
         if (prop == null) return null;
         String name = StringUtil.getFromUnicodeLE(prop.getComplexData());
@@ -202,7 +202,7 @@ public class HSLFPictureShape extends HSLFSimpleShape implements PictureShape {
      * @param name of this picture
      */
     public void setPictureName(String name){
-        EscherOptRecord opt = getEscherOptRecord();
+        AbstractEscherOptRecord opt = getEscherOptRecord();
         byte[] data = StringUtil.getToUnicodeLE(name + '\u0000');
         EscherComplexProperty prop = new EscherComplexProperty(EscherProperties.BLIP__BLIPFILENAME, false, data);
         opt.addEscherProperty(prop);
@@ -228,7 +228,7 @@ public class HSLFPictureShape extends HSLFSimpleShape implements PictureShape {
     public Insets getClipping() {
         // The anchor specified by the escher properties is the displayed size,
         // i.e. the size of the already clipped image
-        EscherOptRecord opt = getEscherOptRecord();
+        AbstractEscherOptRecord opt = getEscherOptRecord();
         
         double top    = getFractProp(opt, EscherProperties.BLIP__CROPFROMTOP);
         double bottom = getFractProp(opt, EscherProperties.BLIP__CROPFROMBOTTOM);
@@ -244,7 +244,7 @@ public class HSLFPictureShape extends HSLFSimpleShape implements PictureShape {
     /**
      * @return the fractional property or 0 if not defined
      */
-    private static double getFractProp(EscherOptRecord opt, short propertyId) {
+    private static double getFractProp(AbstractEscherOptRecord opt, short propertyId) {
         EscherSimpleProperty prop = getEscherProperty(opt, propertyId);
         if (prop == null) return 0;
         int fixedPoint = prop.getPropertyValue();

src/scratchpad/src/org/apache/poi/hslf/usermodel/HSLFShape.java

@@ -44,7 +44,7 @@ import org.apache.poi.util.*;
   *
   * @author Yegor Kozlov
  */
-public abstract class HSLFShape implements Shape {
+public abstract class HSLFShape implements Shape<HSLFShape,HSLFTextParagraph> {
 
     // For logging
     protected POILogger logger = POILogFactory.getLogger(this.getClass());
@@ -59,7 +59,7 @@ public abstract class HSLFShape implements Shape {
      * Parent of this shape.
      * <code>null</code> for the topmost shapes.
      */
-    protected ShapeContainer<HSLFShape> _parent;
+    protected ShapeContainer<HSLFShape,HSLFTextParagraph> _parent;
 
     /**
      * The <code>Sheet</code> this shape belongs to
@@ -77,7 +77,7 @@ public abstract class HSLFShape implements Shape {
      * @param escherRecord       <code>EscherSpContainer</code> container which holds information about this shape
      * @param parent             the parent of this Shape
      */
-      protected HSLFShape(EscherContainerRecord escherRecord, ShapeContainer<HSLFShape> parent){
+      protected HSLFShape(EscherContainerRecord escherRecord, ShapeContainer<HSLFShape,HSLFTextParagraph> parent){
         _escherContainer = escherRecord;
         _parent = parent;
      }
@@ -90,7 +90,7 @@ public abstract class HSLFShape implements Shape {
     /**
      *  @return the parent of this shape
      */
-    public ShapeContainer<HSLFShape> getParent(){
+    public ShapeContainer<HSLFShape,HSLFTextParagraph> getParent(){
         return _parent;
     }
 
@@ -229,7 +229,7 @@ public abstract class HSLFShape implements Shape {
      *
      * @return escher property or <code>null</code> if not found.
      */
-     public static <T extends EscherProperty> T getEscherProperty(EscherOptRecord opt, int propId){
+     public static <T extends EscherProperty> T getEscherProperty(AbstractEscherOptRecord opt, int propId){
          if (opt == null) return null;
          return opt.lookup(propId);
      }
@@ -241,7 +241,7 @@ public abstract class HSLFShape implements Shape {
      * @param propId    The id of the property. One of the constants defined in EscherOptRecord.
      * @param value     value of the property. If value = -1 then the property is removed.
      */
-     public static void setEscherProperty(EscherOptRecord opt, short propId, int value){
+     public static void setEscherProperty(AbstractEscherOptRecord opt, short propId, int value){
         java.util.List<EscherProperty> props = opt.getEscherProperties();
         for ( Iterator<EscherProperty> iterator = props.iterator(); iterator.hasNext(); ) {
             if (iterator.next().getPropertyNumber() == propId){
@@ -262,7 +262,7 @@ public abstract class HSLFShape implements Shape {
      * @param value     value of the property. If value = -1 then the property is removed.
      */
     public void setEscherProperty(short propId, int value){
-        EscherOptRecord opt = getEscherOptRecord();
+        AbstractEscherOptRecord opt = getEscherOptRecord();
         setEscherProperty(opt, propId, value);
     }
 
@@ -272,7 +272,7 @@ public abstract class HSLFShape implements Shape {
      * @param propId    The id of the property. One of the constants defined in EscherOptRecord.
      */
    public int getEscherProperty(short propId){
-        EscherOptRecord opt = getEscherOptRecord();
+       AbstractEscherOptRecord opt = getEscherOptRecord();
         EscherSimpleProperty prop = getEscherProperty(opt, propId);
         return prop == null ? 0 : prop.getPropertyValue();
     }
@@ -283,7 +283,7 @@ public abstract class HSLFShape implements Shape {
      * @param propId    The id of the property. One of the constants defined in EscherOptRecord.
      */
    public int getEscherProperty(short propId, int defaultValue){
-        EscherOptRecord opt = getEscherOptRecord();
+       AbstractEscherOptRecord opt = getEscherOptRecord();
         EscherSimpleProperty prop = getEscherProperty(opt, propId);
         return prop == null ? defaultValue : prop.getPropertyValue();
     }
@@ -327,7 +327,7 @@ public abstract class HSLFShape implements Shape {
     }
 
     Color getColor(short colorProperty, short opacityProperty, int defaultColor){
-        EscherOptRecord opt = getEscherOptRecord();
+        AbstractEscherOptRecord opt = getEscherOptRecord();
         EscherSimpleProperty p = getEscherProperty(opt, colorProperty);
         if(p == null && defaultColor == -1) return null;
 
@@ -367,7 +367,7 @@ public abstract class HSLFShape implements Shape {
     }
 
     double getAlpha(short opacityProperty) {
-        EscherOptRecord opt = getEscherOptRecord();
+        AbstractEscherOptRecord opt = getEscherOptRecord();
         EscherSimpleProperty op = getEscherProperty(opt, opacityProperty);
         int defaultOpacity = 0x00010000;
         int opacity = (op == null) ? defaultOpacity : op.getPropertyValue();
@@ -444,8 +444,8 @@ public abstract class HSLFShape implements Shape {
         logger.log(POILogger.INFO, "Rendering " + getShapeName());
     }
 
-    public EscherOptRecord getEscherOptRecord() {
+    public AbstractEscherOptRecord getEscherOptRecord() {
-        EscherOptRecord opt = getEscherChild(EscherOptRecord.RECORD_ID);
+        AbstractEscherOptRecord opt = getEscherChild(EscherOptRecord.RECORD_ID);
         if (opt == null) {
             opt = getEscherChild(RecordTypes.EscherUserDefined);
         }

src/scratchpad/src/org/apache/poi/hslf/usermodel/HSLFShapeContainer.java

@@ -0,0 +1,49 @@
+/*
+ *  ====================================================================
+ *    Licensed to the Apache Software Foundation (ASF) under one or more
+ *    contributor license agreements.  See the NOTICE file distributed with
+ *    this work for additional information regarding copyright ownership.
+ *    The ASF licenses this file to You under the Apache License, Version 2.0
+ *    (the "License"); you may not use this file except in compliance with
+ *    the License.  You may obtain a copy of the License at
+ *
+ *        http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *    Unless required by applicable law or agreed to in writing, software
+ *    distributed under the License is distributed on an "AS IS" BASIS,
+ *    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *    See the License for the specific language governing permissions and
+ *    limitations under the License.
+ * ====================================================================
+ */
+
+package org.apache.poi.hslf.usermodel;
+
+import org.apache.poi.sl.usermodel.PictureData;
+import org.apache.poi.sl.usermodel.ShapeContainer;
+
+/**
+ * Common interface for shape containers, e.g. sheets or groups of shapes
+ */
+public interface HSLFShapeContainer extends ShapeContainer<HSLFShape,HSLFTextParagraph> {
+
+    @Override
+    HSLFAutoShape createAutoShape();
+
+    @Override
+    HSLFFreeformShape createFreeform();
+
+    @Override
+    HSLFTextBox createTextBox();
+
+    @Override
+    HSLFConnectorShape createConnector();
+
+    @Override
+    HSLFGroupShape createGroup();
+
+    @Override
+    HSLFPictureShape createPicture(PictureData pictureData);
+
+
+}

src/scratchpad/src/org/apache/poi/hslf/usermodel/HSLFShapeFactory.java

@@ -40,38 +40,39 @@ public final class HSLFShapeFactory {
     /**
      * Create a new shape from the data provided.
      */
-    public static HSLFShape createShape(EscherContainerRecord spContainer, ShapeContainer<HSLFShape> parent){
+    public static HSLFShape createShape(EscherContainerRecord spContainer, ShapeContainer<HSLFShape,HSLFTextParagraph> parent){
         if (spContainer.getRecordId() == EscherContainerRecord.SPGR_CONTAINER){
             return createShapeGroup(spContainer, parent);
         }
         return createSimpleShape(spContainer, parent);
     }
 
-    public static HSLFGroupShape createShapeGroup(EscherContainerRecord spContainer, ShapeContainer<HSLFShape> parent){
+    public static HSLFGroupShape createShapeGroup(EscherContainerRecord spContainer, ShapeContainer<HSLFShape,HSLFTextParagraph> parent){
-        HSLFGroupShape group = null;
+        boolean isTable = false;
-        EscherRecord opt = HSLFShape.getEscherChild((EscherContainerRecord)spContainer.getChild(0), (short)0xF122);
+        EscherContainerRecord ecr = (EscherContainerRecord)spContainer.getChild(0);
-        if(opt != null){
+        EscherRecord opt = HSLFShape.getEscherChild(ecr, (short)RecordTypes.EscherUserDefined);
-            try {
-                EscherPropertyFactory f = new EscherPropertyFactory();
-                List<EscherProperty> props = f.createProperties( opt.serialize(), 8, opt.getInstance() );
-                EscherSimpleProperty p = (EscherSimpleProperty)props.get(0);
-                if(p.getPropertyNumber() == 0x39F && p.getPropertyValue() == 1){
-                    group = new HSLFTable(spContainer, parent);
-                } else {
-                    group = new HSLFGroupShape(spContainer, parent);
-                }
-            } catch (Exception e){
-                logger.log(POILogger.WARN, e.getMessage());
-                group = new HSLFGroupShape(spContainer, parent);
-            }
-        }  else {
-            group = new HSLFGroupShape(spContainer, parent);
-        }
 
+        if (opt != null) {
+            EscherPropertyFactory f = new EscherPropertyFactory();
+            List<EscherProperty> props = f.createProperties( opt.serialize(), 8, opt.getInstance() );
+            for (EscherProperty ep : props) {
+                if (ep.getPropertyNumber() == 0x39F
+                    && ep instanceof EscherSimpleProperty
+                    && ((EscherSimpleProperty)ep).getPropertyValue() == 1) {
+                    isTable = true;
+                    break;
+                }
+            }
+        }
+        
+        HSLFGroupShape group = (isTable)
+            ? new HSLFTable(spContainer, parent)
+            : new HSLFGroupShape(spContainer, parent);
+        
         return group;
      }
 
-    public static HSLFShape createSimpleShape(EscherContainerRecord spContainer, ShapeContainer<HSLFShape> parent){
+    public static HSLFShape createSimpleShape(EscherContainerRecord spContainer, ShapeContainer<HSLFShape,HSLFTextParagraph> parent){
         HSLFShape shape = null;
         EscherSpRecord spRecord = spContainer.getChildById(EscherSpRecord.RECORD_ID);
 
@@ -106,7 +107,7 @@ public final class HSLFShapeFactory {
                 shape = new HSLFLine(spContainer, parent);
                 break;
             case NOT_PRIMITIVE: {
-                EscherOptRecord opt = HSLFShape.getEscherChild(spContainer, EscherOptRecord.RECORD_ID);
+                AbstractEscherOptRecord opt = HSLFShape.getEscherChild(spContainer, EscherOptRecord.RECORD_ID);
                 EscherProperty prop = HSLFShape.getEscherProperty(opt, EscherProperties.GEOMETRY__VERTICES);
                 if(prop != null)
                     shape = new HSLFFreeformShape(spContainer, parent);

src/scratchpad/src/org/apache/poi/hslf/usermodel/HSLFSheet.java

@@ -18,15 +18,28 @@
 package org.apache.poi.hslf.usermodel;
 
 import java.awt.Graphics2D;
-import java.util.*;
+import java.awt.Rectangle;
+import java.util.ArrayList;
+import java.util.Iterator;
+import java.util.List;
 
-import org.apache.poi.ddf.*;
+import org.apache.poi.ddf.EscherContainerRecord;
-import org.apache.poi.hslf.record.*;
+import org.apache.poi.ddf.EscherDgRecord;
+import org.apache.poi.ddf.EscherDggRecord;
+import org.apache.poi.ddf.EscherRecord;
+import org.apache.poi.hslf.record.CString;
+import org.apache.poi.hslf.record.ColorSchemeAtom;
+import org.apache.poi.hslf.record.OEPlaceholderAtom;
+import org.apache.poi.hslf.record.PPDrawing;
+import org.apache.poi.hslf.record.RecordContainer;
+import org.apache.poi.hslf.record.RecordTypes;
+import org.apache.poi.hslf.record.RoundTripHFPlaceholder12;
+import org.apache.poi.hslf.record.SheetContainer;
 import org.apache.poi.sl.draw.DrawFactory;
 import org.apache.poi.sl.draw.Drawable;
+import org.apache.poi.sl.usermodel.PictureData;
+import org.apache.poi.sl.usermodel.ShapeType;
 import org.apache.poi.sl.usermodel.Sheet;
-import org.apache.poi.util.POILogFactory;
-import org.apache.poi.util.POILogger;
 
 /**
  * This class defines the common format of "Sheets" in a powerpoint
@@ -36,9 +49,7 @@ import org.apache.poi.util.POILogger;
  * @author Yegor Kozlov
  */
 
-public abstract class HSLFSheet implements Sheet<HSLFShape,HSLFSlideShow> {
+public abstract class HSLFSheet implements HSLFShapeContainer, Sheet<HSLFShape,HSLFTextParagraph> {
-	private static POILogger logger = POILogFactory.getLogger(HSLFSheet.class);
-
     /**
      * The <code>SlideShow</code> we belong to
      */
@@ -387,4 +398,68 @@ public abstract class HSLFSheet implements Sheet<HSLFShape,HSLFSlideShow> {
     }
 
 
+    @Override
+    public HSLFTextBox createTextBox() {
+        HSLFTextBox s = new HSLFTextBox();
+        s.setHorizontalCentered(true);
+        s.setAnchor(new Rectangle(0, 0, 100, 100));
+        addShape(s);
+        return s;
+    }
+
+    @Override
+    public HSLFAutoShape createAutoShape() {
+        HSLFAutoShape s = new HSLFAutoShape(ShapeType.RECT);
+        s.setHorizontalCentered(true);
+        s.setAnchor(new Rectangle(0, 0, 100, 100));
+        addShape(s);
+        return s;
+    }
+
+    @Override
+    public HSLFFreeformShape createFreeform() {
+        HSLFFreeformShape s = new HSLFFreeformShape();
+        s.setHorizontalCentered(true);
+        s.setAnchor(new Rectangle(0, 0, 100, 100));
+        addShape(s);
+        return s;
+    }
+
+    @Override
+    public HSLFConnectorShape createConnector() {
+        HSLFConnectorShape s = new HSLFConnectorShape();
+        s.setAnchor(new Rectangle(0, 0, 100, 100));
+        addShape(s);
+        return s;
+    }
+
+    @Override
+    public HSLFGroupShape createGroup() {
+        HSLFGroupShape s = new HSLFGroupShape();
+        s.setAnchor(new Rectangle(0, 0, 100, 100));
+        addShape(s);
+        return s;
+    }
+
+    @Override
+    public HSLFPictureShape createPicture(PictureData pictureData) {
+        if (!(pictureData instanceof HSLFPictureData)) {
+            throw new IllegalArgumentException("pictureData needs to be of type HSLFPictureData");
+        }
+        HSLFPictureShape s = new HSLFPictureShape((HSLFPictureData)pictureData);
+        s.setAnchor(new Rectangle(0, 0, 100, 100));
+        addShape(s);
+        return s;
+    }
+
+    @Override
+    public HSLFTable createTable(int numRows, int numCols) {
+        if (numRows < 1 || numCols < 1) {
+            throw new IllegalArgumentException("numRows and numCols must be greater than 0");
+        }
+        HSLFTable s = new HSLFTable(numRows,numCols);
+        s.setAnchor(new Rectangle(0, 0, 100, 100));
+        addShape(s);
+        return s;
+    }
 }

src/scratchpad/src/org/apache/poi/hslf/usermodel/HSLFSimpleShape.java

@@ -39,7 +39,7 @@ import org.apache.poi.util.Units;
  *
  *  @author Yegor Kozlov
  */
-public abstract class HSLFSimpleShape extends HSLFShape implements SimpleShape {
+public abstract class HSLFSimpleShape extends HSLFShape implements SimpleShape<HSLFShape,HSLFTextParagraph> {
 
     public final static double DEFAULT_LINE_WIDTH = 0.75;
 
@@ -55,7 +55,7 @@ public abstract class HSLFSimpleShape extends HSLFShape implements SimpleShape {
      * @param escherRecord    <code>EscherSpContainer</code> container which holds information about this shape
      * @param parent    the parent of the shape
      */
-    protected HSLFSimpleShape(EscherContainerRecord escherRecord, ShapeContainer<HSLFShape> parent){
+    protected HSLFSimpleShape(EscherContainerRecord escherRecord, ShapeContainer<HSLFShape,HSLFTextParagraph> parent){
         super(escherRecord, parent);
     }
 
@@ -76,7 +76,7 @@ public abstract class HSLFSimpleShape extends HSLFShape implements SimpleShape {
         sp.setFlags(flags);
         _escherContainer.addChildRecord(sp);
 
-        EscherOptRecord opt = new EscherOptRecord();
+        AbstractEscherOptRecord opt = new EscherOptRecord();
         opt.setRecordId(EscherOptRecord.RECORD_ID);
         _escherContainer.addChildRecord(opt);
 
@@ -102,7 +102,7 @@ public abstract class HSLFSimpleShape extends HSLFShape implements SimpleShape {
      *  Returns width of the line in in points
      */
     public double getLineWidth(){
-        EscherOptRecord opt = getEscherOptRecord();
+        AbstractEscherOptRecord opt = getEscherOptRecord();
         EscherSimpleProperty prop = getEscherProperty(opt, EscherProperties.LINESTYLE__LINEWIDTH);
         double width = (prop == null) ? DEFAULT_LINE_WIDTH : Units.toPoints(prop.getPropertyValue());
         return width;
@@ -113,7 +113,7 @@ public abstract class HSLFSimpleShape extends HSLFShape implements SimpleShape {
      *  @param width  the width of line in in points
      */
     public void setLineWidth(double width){
-        EscherOptRecord opt = getEscherOptRecord();
+        AbstractEscherOptRecord opt = getEscherOptRecord();
         setEscherProperty(opt, EscherProperties.LINESTYLE__LINEWIDTH, Units.toEMU(width));
     }
 
@@ -123,7 +123,7 @@ public abstract class HSLFSimpleShape extends HSLFShape implements SimpleShape {
      * @param color new color of the line
      */
     public void setLineColor(Color color){
-        EscherOptRecord opt = getEscherOptRecord();
+        AbstractEscherOptRecord opt = getEscherOptRecord();
         if (color == null) {
             setEscherProperty(opt, EscherProperties.LINESTYLE__NOLINEDRAWDASH, 0x80000);
         } else {
@@ -137,7 +137,7 @@ public abstract class HSLFSimpleShape extends HSLFShape implements SimpleShape {
      * @return color of the line. If color is not set returns <code>java.awt.Color.black</code>
      */
     public Color getLineColor(){
-        EscherOptRecord opt = getEscherOptRecord();
+        AbstractEscherOptRecord opt = getEscherOptRecord();
 
         EscherSimpleProperty p = getEscherProperty(opt, EscherProperties.LINESTYLE__NOLINEDRAWDASH);
         if(p != null && (p.getPropertyValue() & 0x8) == 0) return null;
@@ -152,7 +152,7 @@ public abstract class HSLFSimpleShape extends HSLFShape implements SimpleShape {
      * @return dashing of the line.
      */
     public LineDash getLineDashing(){
-        EscherOptRecord opt = getEscherOptRecord();
+        AbstractEscherOptRecord opt = getEscherOptRecord();
         EscherSimpleProperty prop = getEscherProperty(opt, EscherProperties.LINESTYLE__LINEDASHING);
         return (prop == null) ? LineDash.SOLID : LineDash.fromNativeId(prop.getPropertyValue());
     }
@@ -163,7 +163,7 @@ public abstract class HSLFSimpleShape extends HSLFShape implements SimpleShape {
      * @param pen new style of the line.
      */
     public void setLineDashing(LineDash pen){
-        EscherOptRecord opt = getEscherOptRecord();
+        AbstractEscherOptRecord opt = getEscherOptRecord();
         setEscherProperty(opt, EscherProperties.LINESTYLE__LINEDASHING, pen == LineDash.SOLID ? -1 : pen.nativeId);
     }
 
@@ -173,7 +173,7 @@ public abstract class HSLFSimpleShape extends HSLFShape implements SimpleShape {
      * @return the compound style of the line.
      */
     public LineCompound getLineCompound() {
-        EscherOptRecord opt = getEscherOptRecord();
+        AbstractEscherOptRecord opt = getEscherOptRecord();
         EscherSimpleProperty prop = getEscherProperty(opt, EscherProperties.LINESTYLE__LINESTYLE);
         return (prop == null) ? LineCompound.SINGLE : LineCompound.fromNativeId(prop.getPropertyValue());
     }
@@ -184,7 +184,7 @@ public abstract class HSLFSimpleShape extends HSLFShape implements SimpleShape {
      * @param style new compound style of the line.
      */
     public void setLineCompound(LineCompound style){
-        EscherOptRecord opt = getEscherOptRecord();
+        AbstractEscherOptRecord opt = getEscherOptRecord();
         setEscherProperty(opt, EscherProperties.LINESTYLE__LINESTYLE, style == LineCompound.SINGLE ? -1 : style.nativeId);
     }
 
@@ -389,7 +389,7 @@ public abstract class HSLFSimpleShape extends HSLFShape implements SimpleShape {
 
 
     public double getShadowAngle() {
-        EscherOptRecord opt = getEscherOptRecord();
+        AbstractEscherOptRecord opt = getEscherOptRecord();
         EscherSimpleProperty prop = getEscherProperty(opt, EscherProperties.SHADOWSTYLE__OFFSETX);
         int offX = (prop == null) ? 0 : prop.getPropertyValue();
         prop = getEscherProperty(opt, EscherProperties.SHADOWSTYLE__OFFSETY);
@@ -398,7 +398,7 @@ public abstract class HSLFSimpleShape extends HSLFShape implements SimpleShape {
     }
     
     public double getShadowDistance() {
-        EscherOptRecord opt = getEscherOptRecord();
+        AbstractEscherOptRecord opt = getEscherOptRecord();
         EscherSimpleProperty prop = getEscherProperty(opt, EscherProperties.SHADOWSTYLE__OFFSETX);
         int offX = (prop == null) ? 0 : prop.getPropertyValue();
         prop = getEscherProperty(opt, EscherProperties.SHADOWSTYLE__OFFSETY);
@@ -415,12 +415,12 @@ public abstract class HSLFSimpleShape extends HSLFShape implements SimpleShape {
     }    
     
     public Shadow getShadow() {
-        EscherOptRecord opt = getEscherOptRecord();
+        AbstractEscherOptRecord opt = getEscherOptRecord();
         EscherProperty shadowType = opt.lookup(EscherProperties.SHADOWSTYLE__TYPE);
         if (shadowType == null) return null;
         
         return new Shadow(){
-            public SimpleShape getShadowParent() {
+            public SimpleShape<HSLFShape,HSLFTextParagraph> getShadowParent() {
                 return HSLFSimpleShape.this;
             }
 

src/scratchpad/src/org/apache/poi/hslf/usermodel/HSLFSlide.java

@@ -21,12 +21,28 @@ import java.awt.Graphics2D;
 import java.util.ArrayList;
 import java.util.List;
 
-import org.apache.poi.ddf.*;
+import org.apache.poi.ddf.EscherContainerRecord;
-import org.apache.poi.hslf.model.*;
+import org.apache.poi.ddf.EscherDgRecord;
-import org.apache.poi.hslf.record.*;
+import org.apache.poi.ddf.EscherDggRecord;
+import org.apache.poi.ddf.EscherSpRecord;
+import org.apache.poi.hslf.model.Comment;
+import org.apache.poi.hslf.model.HeadersFooters;
+import org.apache.poi.hslf.model.Placeholder;
+import org.apache.poi.hslf.record.ColorSchemeAtom;
+import org.apache.poi.hslf.record.Comment2000;
+import org.apache.poi.hslf.record.EscherTextboxWrapper;
+import org.apache.poi.hslf.record.HeadersFootersContainer;
+import org.apache.poi.hslf.record.Record;
+import org.apache.poi.hslf.record.RecordContainer;
+import org.apache.poi.hslf.record.RecordTypes;
+import org.apache.poi.hslf.record.SSSlideInfoAtom;
+import org.apache.poi.hslf.record.SlideAtom;
 import org.apache.poi.hslf.record.SlideListWithText.SlideAtomsSet;
+import org.apache.poi.hslf.record.StyleTextProp9Atom;
+import org.apache.poi.hslf.record.TextHeaderAtom;
 import org.apache.poi.sl.draw.DrawFactory;
 import org.apache.poi.sl.draw.Drawable;
+import org.apache.poi.sl.usermodel.Notes;
 import org.apache.poi.sl.usermodel.ShapeType;
 import org.apache.poi.sl.usermodel.Slide;
 
@@ -39,7 +55,7 @@ import org.apache.poi.sl.usermodel.Slide;
  * @author Yegor Kozlov
  */
 
-public final class HSLFSlide extends HSLFSheet implements Slide<HSLFShape,HSLFSlideShow,HSLFNotes> {
+public final class HSLFSlide extends HSLFSheet implements Slide<HSLFShape,HSLFTextParagraph> {
 	private int _slideNo;
 	private SlideAtomsSet _atomSet;
 	private final List<List<HSLFTextParagraph>> _paragraphs = new ArrayList<List<HSLFTextParagraph>>();
@@ -110,8 +126,11 @@ public final class HSLFSlide extends HSLFSheet implements Slide<HSLFShape,HSLFSl
 	 *  references in the records to point to the new ID
 	 */
 	@Override
-	public void setNotes(HSLFNotes notes) {
+	public void setNotes(Notes<HSLFShape,HSLFTextParagraph> notes) {
-		_notes = notes;
+        if (notes != null && !(notes instanceof HSLFNotes)) {
+            throw new IllegalArgumentException("notes needs to be of type HSLFNotes");
+        }
+		_notes = (HSLFNotes)notes;
 
 		// Update the Slide Atom's ID of where to point to
 		SlideAtom sa = getSlideRecord().getSlideAtom();

src/scratchpad/src/org/apache/poi/hslf/usermodel/HSLFSlideShow.java

@@ -48,7 +48,6 @@ import org.apache.poi.poifs.filesystem.POIFSFileSystem;
 import org.apache.poi.sl.usermodel.MasterSheet;
 import org.apache.poi.sl.usermodel.PictureData.PictureType;
 import org.apache.poi.sl.usermodel.Resources;
-import org.apache.poi.sl.usermodel.Shape;
 import org.apache.poi.sl.usermodel.SlideShow;
 import org.apache.poi.util.POILogFactory;
 import org.apache.poi.util.POILogger;
@@ -63,7 +62,7 @@ import org.apache.poi.util.Units;
  * @author Nick Burch
  * @author Yegor kozlov
  */
-public final class HSLFSlideShow implements SlideShow {
+public final class HSLFSlideShow implements SlideShow<HSLFShape,HSLFTextParagraph> {
 	// What we're based on
 	private HSLFSlideShowImpl _hslfSlideShow;
 
@@ -671,6 +670,7 @@ public final class HSLFSlideShow implements SlideShow {
 	 *
 	 * @return the created <code>Slide</code>
 	 */
+	@Override
 	public HSLFSlide createSlide() {
 		SlideListWithText slist = null;
 
@@ -1131,8 +1131,7 @@ public final class HSLFSlideShow implements SlideShow {
 		return psrId;
     }
 
-    public MasterSheet<? extends Shape, ? extends SlideShow> createMasterSheet()
+    public MasterSheet<HSLFShape,HSLFTextParagraph> createMasterSheet() throws IOException {
-            throws IOException {
         // TODO Auto-generated method stub
         return null;
     }

src/scratchpad/src/org/apache/poi/hslf/usermodel/HSLFTable.java

@@ -24,6 +24,7 @@ import java.util.Comparator;
 import java.util.Iterator;
 import java.util.List;
 
+import org.apache.poi.ddf.AbstractEscherOptRecord;
 import org.apache.poi.ddf.EscherArrayProperty;
 import org.apache.poi.ddf.EscherContainerRecord;
 import org.apache.poi.ddf.EscherOptRecord;
@@ -31,6 +32,7 @@ import org.apache.poi.ddf.EscherProperties;
 import org.apache.poi.ddf.EscherRecord;
 import org.apache.poi.ddf.EscherSimpleProperty;
 import org.apache.poi.ddf.EscherTextboxRecord;
+import org.apache.poi.hslf.record.RecordTypes;
 import org.apache.poi.sl.usermodel.ShapeContainer;
 import org.apache.poi.sl.usermodel.TableShape;
 import org.apache.poi.util.LittleEndian;
@@ -41,7 +43,8 @@ import org.apache.poi.util.Units;
  *
  * @author Yegor Kozlov
  */
-public final class HSLFTable extends HSLFGroupShape implements TableShape {
+public final class HSLFTable extends HSLFGroupShape
+implements HSLFShapeContainer, TableShape<HSLFShape,HSLFTextParagraph> {
 
     protected static final int BORDER_TOP = 1;
     protected static final int BORDER_RIGHT = 2;
@@ -59,17 +62,28 @@ public final class HSLFTable extends HSLFGroupShape implements TableShape {
     /**
      * Create a new Table of the given number of rows and columns
      *
-     * @param numrows the number of rows
+     * @param numRows the number of rows
-     * @param numcols the number of columns
+     * @param numCols the number of columns
      */
-    public HSLFTable(int numrows, int numcols) {
+    public HSLFTable(int numRows, int numCols) {
-        super();
+        this(numRows, numCols, null);
+    }
+    
+    /**
+     * Create a new Table of the given number of rows and columns
+     *
+     * @param numRows the number of rows
+     * @param numCols the number of columns
+     * @param parent the parent shape, or null if table is added to sheet
+     */
+    public HSLFTable(int numRows, int numCols, ShapeContainer<HSLFShape,HSLFTextParagraph> parent) {
+        super(parent);
 
-        if(numrows < 1) throw new IllegalArgumentException("The number of rows must be greater than 1");
+        if(numRows < 1) throw new IllegalArgumentException("The number of rows must be greater than 1");
-        if(numcols < 1) throw new IllegalArgumentException("The number of columns must be greater than 1");
+        if(numCols < 1) throw new IllegalArgumentException("The number of columns must be greater than 1");
 
         int x=0, y=0, tblWidth=0, tblHeight=0;
-        cells = new HSLFTableCell[numrows][numcols];
+        cells = new HSLFTableCell[numRows][numCols];
         for (int i = 0; i < cells.length; i++) {
             x = 0;
             for (int j = 0; j < cells[i].length; j++) {
@@ -85,17 +99,15 @@ public final class HSLFTable extends HSLFGroupShape implements TableShape {
         setAnchor(new Rectangle(0, 0, tblWidth, tblHeight));
 
         EscherContainerRecord spCont = (EscherContainerRecord) getSpContainer().getChild(0);
-        EscherOptRecord opt = new EscherOptRecord();
+        AbstractEscherOptRecord opt = new EscherOptRecord();
-        opt.setRecordId((short)0xF122);
+        opt.setRecordId((short)RecordTypes.EscherUserDefined);
         opt.addEscherProperty(new EscherSimpleProperty((short)0x39F, 1));
         EscherArrayProperty p = new EscherArrayProperty((short)(0x4000 | 0x3A0), false, null);
         p.setSizeOfElements(0x0004);
-        p.setNumberOfElementsInArray(numrows);
+        p.setNumberOfElementsInArray(numRows);
-        p.setNumberOfElementsInMemory(numrows);
+        p.setNumberOfElementsInMemory(numRows);
         opt.addEscherProperty(p);
-        List<EscherRecord> lst = spCont.getChildRecords();
+        spCont.addChildBefore(opt, RecordTypes.EscherClientAnchor);
-        lst.add(lst.size()-1, opt);
-        spCont.setChildRecords(lst);
     }
 
     /**
@@ -104,7 +116,7 @@ public final class HSLFTable extends HSLFGroupShape implements TableShape {
      * @param escherRecord <code>EscherSpContainer</code> container which holds information about this shape
      * @param parent       the parent of the shape
      */
-    public HSLFTable(EscherContainerRecord escherRecord, ShapeContainer<HSLFShape> parent) {
+    public HSLFTable(EscherContainerRecord escherRecord, ShapeContainer<HSLFShape,HSLFTextParagraph> parent) {
         super(escherRecord, parent);
     }
 
@@ -131,7 +143,7 @@ public final class HSLFTable extends HSLFGroupShape implements TableShape {
 
         EscherContainerRecord spCont = (EscherContainerRecord) getSpContainer().getChild(0);
         List<EscherRecord> lst = spCont.getChildRecords();
-        EscherOptRecord opt = (EscherOptRecord)lst.get(lst.size()-2);
+        AbstractEscherOptRecord opt = (AbstractEscherOptRecord)lst.get(lst.size()-2);
         EscherArrayProperty p = opt.lookup(0x3A0); 
         for (int i = 0; i < cells.length; i++) {
             HSLFTableCell cell = cells[i][0];
@@ -359,7 +371,7 @@ public final class HSLFTable extends HSLFGroupShape implements TableShape {
     public HSLFLine createBorder(){
         HSLFLine line = new HSLFLine(this);
 
-        EscherOptRecord opt = getEscherOptRecord();
+        AbstractEscherOptRecord opt = getEscherOptRecord();
         setEscherProperty(opt, EscherProperties.GEOMETRY__SHAPEPATH, -1);
         setEscherProperty(opt, EscherProperties.GEOMETRY__FILLOK, -1);
         setEscherProperty(opt, EscherProperties.SHADOWSTYLE__SHADOWOBSURED, 0x20000);

src/scratchpad/src/org/apache/poi/hslf/usermodel/HSLFTableCell.java

@@ -19,18 +19,19 @@ package org.apache.poi.hslf.usermodel;
 
 import java.awt.Rectangle;
 
+import org.apache.poi.ddf.AbstractEscherOptRecord;
 import org.apache.poi.ddf.EscherContainerRecord;
-import org.apache.poi.ddf.EscherOptRecord;
 import org.apache.poi.ddf.EscherProperties;
 import org.apache.poi.sl.usermodel.ShapeContainer;
 import org.apache.poi.sl.usermodel.ShapeType;
+import org.apache.poi.sl.usermodel.TableCell;
 
 /**
  * Represents a cell in a ppt table
  *
  * @author Yegor Kozlov
  */
-public final class HSLFTableCell extends HSLFTextBox {
+public final class HSLFTableCell extends HSLFTextBox implements TableCell<HSLFShape,HSLFTextParagraph> {
     protected static final int DEFAULT_WIDTH = 100;
     protected static final int DEFAULT_HEIGHT = 40;
 
@@ -45,7 +46,7 @@ public final class HSLFTableCell extends HSLFTextBox {
      * @param escherRecord       EscherSpContainer which holds information about this shape
      * @param parent    the parent of the shape
      */
-   protected HSLFTableCell(EscherContainerRecord escherRecord, ShapeContainer<HSLFShape> parent){
+   protected HSLFTableCell(EscherContainerRecord escherRecord, ShapeContainer<HSLFShape,HSLFTextParagraph> parent){
         super(escherRecord, parent);
     }
 
@@ -55,7 +56,7 @@ public final class HSLFTableCell extends HSLFTextBox {
      * @param parent    the parent of this Shape. For example, if this text box is a cell
      * in a table then the parent is Table.
      */
-    public HSLFTableCell(ShapeContainer<HSLFShape> parent){
+    public HSLFTableCell(ShapeContainer<HSLFShape,HSLFTextParagraph> parent){
         super(parent);
 
         setShapeType(ShapeType.RECT);
@@ -65,7 +66,7 @@ public final class HSLFTableCell extends HSLFTextBox {
 
     protected EscherContainerRecord createSpContainer(boolean isChild){
         _escherContainer = super.createSpContainer(isChild);
-        EscherOptRecord opt = getEscherOptRecord();
+        AbstractEscherOptRecord opt = getEscherOptRecord();
         setEscherProperty(opt, EscherProperties.TEXT__TEXTID, 0);
         setEscherProperty(opt, EscherProperties.TEXT__SIZE_TEXT_TO_FIT_SHAPE, 0x20000);
         setEscherProperty(opt, EscherProperties.FILL__NOFILLHITTEST, 0x150001);

src/scratchpad/src/org/apache/poi/hslf/usermodel/HSLFTextBox.java

@@ -29,7 +29,7 @@ import org.apache.poi.sl.usermodel.*;
  *
  * @author Yegor Kozlov
  */
-public class HSLFTextBox extends HSLFTextShape {
+public class HSLFTextBox extends HSLFTextShape implements TextBox<HSLFShape,HSLFTextParagraph> {
 
     /**
      * Create a TextBox object and initialize it from the supplied Record container.
@@ -37,7 +37,7 @@ public class HSLFTextBox extends HSLFTextShape {
      * @param escherRecord       <code>EscherSpContainer</code> container which holds information about this shape
      * @param parent    the parent of the shape
      */
-   protected HSLFTextBox(EscherContainerRecord escherRecord, ShapeContainer<HSLFShape> parent){
+   protected HSLFTextBox(EscherContainerRecord escherRecord, ShapeContainer<HSLFShape,HSLFTextParagraph> parent){
         super(escherRecord, parent);
 
     }
@@ -48,7 +48,7 @@ public class HSLFTextBox extends HSLFTextShape {
      * @param parent    the parent of this Shape. For example, if this text box is a cell
      * in a table then the parent is Table.
      */
-    public HSLFTextBox(ShapeContainer<HSLFShape> parent){
+    public HSLFTextBox(ShapeContainer<HSLFShape,HSLFTextParagraph> parent){
         super(parent);
     }
 

src/scratchpad/src/org/apache/poi/hslf/usermodel/HSLFTextParagraph.java

@@ -42,7 +42,7 @@ import org.apache.poi.util.*;
  * @author Nick Burch
  */
 
-public final class HSLFTextParagraph implements TextParagraph<HSLFTextRun> {
+public final class HSLFTextParagraph implements TextParagraph<HSLFShape,HSLFTextParagraph,HSLFTextRun> {
     protected static final POILogger logger = POILogFactory.getLogger(HSLFTextParagraph.class);
 
     /**

src/scratchpad/src/org/apache/poi/hslf/usermodel/HSLFTextShape.java

@@ -39,7 +39,8 @@ import org.apache.poi.util.Units;
  *
  * @author Yegor Kozlov
  */
-public abstract class HSLFTextShape extends HSLFSimpleShape implements TextShape<HSLFTextParagraph> {
+public abstract class HSLFTextShape extends HSLFSimpleShape
+implements TextShape<HSLFShape,HSLFTextParagraph> {
 
     /**
      * How to anchor the text
@@ -93,9 +94,8 @@ public abstract class HSLFTextShape extends HSLFSimpleShape implements TextShape
      * @param escherRecord       <code>EscherSpContainer</code> container which holds information about this shape
      * @param parent    the parent of the shape
      */
-   protected HSLFTextShape(EscherContainerRecord escherRecord, ShapeContainer<HSLFShape> parent){
+    protected HSLFTextShape(EscherContainerRecord escherRecord, ShapeContainer<HSLFShape,HSLFTextParagraph> parent){
         super(escherRecord, parent);
-
     }
 
     /**
@@ -104,7 +104,7 @@ public abstract class HSLFTextShape extends HSLFSimpleShape implements TextShape
      * @param parent    the parent of this Shape. For example, if this text box is a cell
      * in a table then the parent is Table.
      */
-    public HSLFTextShape(ShapeContainer<HSLFShape> parent){
+    public HSLFTextShape(ShapeContainer<HSLFShape,HSLFTextParagraph> parent){
         super(null, parent);
         _escherContainer = createSpContainer(parent instanceof HSLFGroupShape);
     }
@@ -241,7 +241,7 @@ public abstract class HSLFTextShape extends HSLFSimpleShape implements TextShape
      * @return the type of alignment
      */
     /* package */ int getAlignment(){
-        EscherOptRecord opt = getEscherOptRecord();
+        AbstractEscherOptRecord opt = getEscherOptRecord();
         EscherSimpleProperty prop = getEscherProperty(opt, EscherProperties.TEXT__ANCHORTEXT);
         int align = HSLFTextShape.AnchorTop;
         if (prop == null){
@@ -465,7 +465,7 @@ public abstract class HSLFTextShape extends HSLFSimpleShape implements TextShape
      * @return the inset in points
      */
     private double getInset(short propId, double defaultInch) {
-        EscherOptRecord opt = getEscherOptRecord();
+        AbstractEscherOptRecord opt = getEscherOptRecord();
         EscherSimpleProperty prop = getEscherProperty(opt, propId);
         int val = prop == null ? (int)(Units.toEMU(Units.POINT_DPI)*defaultInch) : prop.getPropertyValue();
         return Units.toPoints(val);        
@@ -494,7 +494,7 @@ public abstract class HSLFTextShape extends HSLFSimpleShape implements TextShape
      * @see <a href="https://msdn.microsoft.com/en-us/library/dd948168(v=office.12).aspx">MSOWRAPMODE</a>
      */
     public int getWordWrapEx() {
-        EscherOptRecord opt = getEscherOptRecord();
+        AbstractEscherOptRecord opt = getEscherOptRecord();
         EscherSimpleProperty prop = getEscherProperty(opt, EscherProperties.TEXT__WRAPTEXT);
         return prop == null ? WrapSquare : prop.getPropertyValue();
     }
@@ -513,7 +513,7 @@ public abstract class HSLFTextShape extends HSLFSimpleShape implements TextShape
      * @return id for the text.
      */
     public int getTextId(){
-        EscherOptRecord opt = getEscherOptRecord();
+        AbstractEscherOptRecord opt = getEscherOptRecord();
         EscherSimpleProperty prop = getEscherProperty(opt, EscherProperties.TEXT__TEXTID);
         return prop == null ? 0 : prop.getPropertyValue();
     }
@@ -527,9 +527,7 @@ public abstract class HSLFTextShape extends HSLFSimpleShape implements TextShape
         setEscherProperty(EscherProperties.TEXT__TEXTID, id);
     }
 
-    /**
+    @Override
-      * @return the TextParagraphs for this text box
-      */
     public List<HSLFTextParagraph> getTextParagraphs(){
         if (!_paragraphs.isEmpty()) return _paragraphs;
         
@@ -704,7 +702,7 @@ public abstract class HSLFTextShape extends HSLFSimpleShape implements TextShape
     @Override
     public double getTextHeight(){
         DrawFactory drawFact = DrawFactory.getInstance(null);
-        DrawTextShape<HSLFTextShape> dts = drawFact.getDrawable(this);
+        DrawTextShape dts = drawFact.getDrawable(this);
         return dts.getTextHeight();
     }
 

src/scratchpad/testcases/org/apache/poi/hslf/model/TestBackground.java

@@ -26,9 +26,9 @@ import java.io.ByteArrayOutputStream;
 import java.util.List;
 
 import org.apache.poi.POIDataSamples;
+import org.apache.poi.ddf.AbstractEscherOptRecord;
 import org.apache.poi.ddf.EscherBSERecord;
 import org.apache.poi.ddf.EscherContainerRecord;
-import org.apache.poi.ddf.EscherOptRecord;
 import org.apache.poi.ddf.EscherProperties;
 import org.apache.poi.ddf.EscherRecord;
 import org.apache.poi.ddf.EscherSimpleProperty;
@@ -209,7 +209,7 @@ public final class TestBackground {
     }
 
     private int getFillPictureRefCount(HSLFShape shape, HSLFFill fill) {
-        EscherOptRecord opt = shape.getEscherOptRecord();
+        AbstractEscherOptRecord opt = shape.getEscherOptRecord();
         EscherSimpleProperty p = HSLFShape.getEscherProperty(opt, EscherProperties.FILL__PATTERNTEXTURE);
         if(p != null) {
             int idx = p.getPropertyValue();

src/scratchpad/testcases/org/apache/poi/hslf/model/TestShapes.java

@@ -36,13 +36,14 @@ import java.util.ArrayList;
 import java.util.List;
 
 import org.apache.poi.POIDataSamples;
+import org.apache.poi.ddf.AbstractEscherOptRecord;
 import org.apache.poi.ddf.EscherDgRecord;
 import org.apache.poi.ddf.EscherDggRecord;
-import org.apache.poi.ddf.EscherOptRecord;
 import org.apache.poi.ddf.EscherProperties;
 import org.apache.poi.ddf.EscherSimpleProperty;
 import org.apache.poi.hslf.usermodel.HSLFAutoShape;
 import org.apache.poi.hslf.usermodel.HSLFGroupShape;
+import org.apache.poi.hslf.usermodel.HSLFLine;
 import org.apache.poi.hslf.usermodel.HSLFPictureData;
 import org.apache.poi.hslf.usermodel.HSLFPictureShape;
 import org.apache.poi.hslf.usermodel.HSLFShape;
@@ -54,7 +55,6 @@ import org.apache.poi.hslf.usermodel.HSLFTextBox;
 import org.apache.poi.hslf.usermodel.HSLFTextParagraph;
 import org.apache.poi.hslf.usermodel.HSLFTextRun;
 import org.apache.poi.hslf.usermodel.HSLFTextShape;
-import org.apache.poi.hslf.usermodel.HSLFLine;
 import org.apache.poi.sl.usermodel.PictureData.PictureType;
 import org.apache.poi.sl.usermodel.ShapeType;
 import org.apache.poi.sl.usermodel.StrokeStyle.LineDash;
@@ -400,7 +400,7 @@ public final class TestShapes {
     public void lineWidth() {
         HSLFSimpleShape sh = new HSLFAutoShape(ShapeType.RT_TRIANGLE);
 
-        EscherOptRecord opt = sh.getEscherOptRecord();
+        AbstractEscherOptRecord opt = sh.getEscherOptRecord();
         EscherSimpleProperty prop = HSLFSimpleShape.getEscherProperty(opt, EscherProperties.LINESTYLE__LINEWIDTH);
         assertNull(prop);
         assertEquals(HSLFSimpleShape.DEFAULT_LINE_WIDTH, sh.getLineWidth(), 0);

src/scratchpad/testcases/org/apache/poi/hslf/model/TestTable.java

@@ -126,17 +126,17 @@ public final class TestTable {
      */
     @Test
     public void test57820() throws Exception {
-        SlideShow ppt = new HSLFSlideShow(_slTests.openResourceAsStream("bug57820-initTableNullRefrenceException.ppt"));
+        SlideShow<?,?> ppt = new HSLFSlideShow(_slTests.openResourceAsStream("bug57820-initTableNullRefrenceException.ppt"));
 
-        List<? extends Slide<?,?,?>> slides = ppt.getSlides();
+        List<? extends Slide<?,?>> slides = ppt.getSlides();
         assertEquals(1, slides.size());
 
-        List<? extends Shape> shapes = slides.get(0).getShapes(); //throws NullPointerException
+        List<? extends Shape<?,?>> shapes = slides.get(0).getShapes(); //throws NullPointerException
 
-        TableShape tbl = null;
+        TableShape<?,?> tbl = null;
-        for(Shape s : shapes) {
+        for(Shape<?,?> s : shapes) {
             if(s instanceof TableShape) {
-                tbl = (TableShape)s;
+                tbl = (TableShape<?,?>)s;
                 break;
             }
         }

src/scratchpad/testcases/org/apache/poi/hslf/usermodel/TestBugs.java

@@ -38,9 +38,9 @@ import java.util.Set;
 import junit.framework.AssertionFailedError;
 
 import org.apache.poi.POIDataSamples;
+import org.apache.poi.ddf.AbstractEscherOptRecord;
 import org.apache.poi.ddf.EscherArrayProperty;
 import org.apache.poi.ddf.EscherColorRef;
-import org.apache.poi.ddf.EscherOptRecord;
 import org.apache.poi.ddf.EscherProperties;
 import org.apache.poi.hslf.HSLFTestDataSamples;
 import org.apache.poi.hslf.exceptions.OldPowerPointFormatException;
@@ -612,7 +612,7 @@ public final class TestBugs {
         try {
             HSLFSlideShow slideShow = new HSLFSlideShow(inputStream);
             HSLFAutoShape as = (HSLFAutoShape)slideShow.getSlides().get(0).getShapes().get(0);
-            EscherOptRecord opt = as.getEscherOptRecord();
+            AbstractEscherOptRecord opt = as.getEscherOptRecord();
             EscherArrayProperty ep = HSLFShape.getEscherProperty(opt, EscherProperties.FILL__SHADECOLORS);
             double exp[][] = {
                 // r, g, b, position

src/scratchpad/testcases/org/apache/poi/hslf/usermodel/TestPicture.java

@@ -172,11 +172,11 @@ public final class TestPicture {
         
         for (String file : files) {
             InputStream is = _slTests.openResourceAsStream(file);
-            SlideShow ss;
+            SlideShow<?,?> ss;
             if (file.endsWith("pptx")) {
                 Class<?> cls = Class.forName("org.apache.poi.xslf.usermodel.XMLSlideShow");
                 Constructor<?> ct = cls.getDeclaredConstructor(InputStream.class);
-                ss = (SlideShow)ct.newInstance(is);
+                ss = (SlideShow<?,?>)ct.newInstance(is);
             } else {
                 ss = new HSLFSlideShow(is);
             }
@@ -184,7 +184,7 @@ public final class TestPicture {
             
             boolean debugOut = false;
             Dimension pg = ss.getPageSize();
-            for (Slide<?,?,?> slide : ss.getSlides()) {
+            for (Slide<?,?> slide : ss.getSlides()) {
                 int slideNo = slide.getSlideNumber();
                 if (!pages.get(slideNo-1)) {
                     if (pages.nextSetBit(slideNo-1) == -1) break; else continue;