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more improvements in slide rendering

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git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@650129 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Yegor Kozlov 2008-04-21 12:51:47 +00:00
parent 7d67735404
commit f5d6d1d2db
9 changed files with 155 additions and 13 deletions
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5
src/scratchpad/examples/src/org/apache/poi/hslf/examples/PPT2PNG.java
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@ -83,6 +83,11 @@ public class PPT2PNG {
BufferedImage img = new BufferedImage(width, height, BufferedImage.TYPE_INT_RGB);
Graphics2D graphics = img.createGraphics();
graphics.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
graphics.setRenderingHint(RenderingHints.KEY_RENDERING, RenderingHints.VALUE_RENDER_QUALITY);
graphics.setRenderingHint(RenderingHints.KEY_INTERPOLATION, RenderingHints.VALUE_INTERPOLATION_BICUBIC);
graphics.setRenderingHint(RenderingHints.KEY_FRACTIONALMETRICS, RenderingHints.VALUE_FRACTIONALMETRICS_ON);
graphics.setPaint(Color.white);
graphics.fill(new Rectangle2D.Float(0, 0, width, height));

4
src/scratchpad/src/org/apache/poi/hslf/model/AutoShape.java
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@ -108,9 +108,9 @@ public class AutoShape extends TextShape {
public java.awt.Shape getOutline(){
ShapeOutline outline = AutoShapes.getShapeOutline(getShapeType());
Rectangle2D anchor = getAnchor2D();
Rectangle2D anchor = getLogicalAnchor2D();
if(outline == null){
logger.log(POILogger.WARN, "getOutline() is not implemented for " + ShapeTypes.typeName(getShapeType()));
logger.log(POILogger.WARN, "Outline not found for " + ShapeTypes.typeName(getShapeType()));
return anchor;
} else {
java.awt.Shape shape = outline.getOutline(this);

80
src/scratchpad/src/org/apache/poi/hslf/model/AutoShapes.java
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@ -288,6 +288,86 @@ public class AutoShapes {
return path;
}
};
shapes[ShapeTypes.Can] = new ShapeOutline(){
public java.awt.Shape getOutline(Shape shape){
//m10800,qx0@1l0@2qy10800,21600,21600@2l21600@1qy10800,xem0@1qy10800@0,21600@1nfe
int adjval = shape.getEscherProperty(EscherProperties.GEOMETRY__ADJUSTVALUE, 5400);
GeneralPath path = new GeneralPath();
path.append(new Arc2D.Float(0, 0, 21600, adjval, 0, 180, Arc2D.OPEN), false);
path.moveTo(0, adjval/2);
path.lineTo(0, 21600 - adjval/2);
path.closePath();
path.append(new Arc2D.Float(0, 21600 - adjval, 21600, adjval, 180, 180, Arc2D.OPEN), false);
path.moveTo(21600, 21600 - adjval/2);
path.lineTo(21600, adjval/2);
path.append(new Arc2D.Float(0, 0, 21600, adjval, 180, 180, Arc2D.OPEN), false);
path.moveTo(0, adjval/2);
path.closePath();
return path;
}
};
shapes[ShapeTypes.LeftBrace] = new ShapeOutline(){
public java.awt.Shape getOutline(Shape shape){
//m21600,qx10800@0l10800@2qy0@11,10800@3l10800@1qy21600,21600e
int adjval = shape.getEscherProperty(EscherProperties.GEOMETRY__ADJUSTVALUE, 1800);
int adjval2 = shape.getEscherProperty(EscherProperties.GEOMETRY__ADJUST2VALUE, 10800);
GeneralPath path = new GeneralPath();
path.moveTo(21600, 0);
path.append(new Arc2D.Float(10800, 0, 21600, adjval*2, 90, 90, Arc2D.OPEN), false);
path.moveTo(10800, adjval);
path.lineTo(10800, adjval2 - adjval);
path.append(new Arc2D.Float(-10800, adjval2 - 2*adjval, 21600, adjval*2, 270, 90, Arc2D.OPEN), false);
path.moveTo(0, adjval2);
path.append(new Arc2D.Float(-10800, adjval2, 21600, adjval*2, 0, 90, Arc2D.OPEN), false);
path.moveTo(10800, adjval2 + adjval);
path.lineTo(10800, 21600 - adjval);
path.append(new Arc2D.Float(10800, 21600 - 2*adjval, 21600, adjval*2, 180, 90, Arc2D.OPEN), false);
return path;
}
};
shapes[ShapeTypes.RightBrace] = new ShapeOutline(){
public java.awt.Shape getOutline(Shape shape){
//m,qx10800@0 l10800@2qy21600@11,10800@3l10800@1qy,21600e
int adjval = shape.getEscherProperty(EscherProperties.GEOMETRY__ADJUSTVALUE, 1800);
int adjval2 = shape.getEscherProperty(EscherProperties.GEOMETRY__ADJUST2VALUE, 10800);
GeneralPath path = new GeneralPath();
path.moveTo(0, 0);
path.append(new Arc2D.Float(-10800, 0, 21600, adjval*2, 0, 90, Arc2D.OPEN), false);
path.moveTo(10800, adjval);
path.lineTo(10800, adjval2 - adjval);
path.append(new Arc2D.Float(10800, adjval2 - 2*adjval, 21600, adjval*2, 180, 90, Arc2D.OPEN), false);
path.moveTo(21600, adjval2);
path.append(new Arc2D.Float(10800, adjval2, 21600, adjval*2, 90, 90, Arc2D.OPEN), false);
path.moveTo(10800, adjval2 + adjval);
path.lineTo(10800, 21600 - adjval);
path.append(new Arc2D.Float(-10800, 21600 - 2*adjval, 21600, adjval*2, 270, 90, Arc2D.OPEN), false);
return path;
}
};
}
}

2
src/scratchpad/src/org/apache/poi/hslf/model/Line.java
View File

@ -130,7 +130,7 @@ public class Line extends SimpleShape {
}
public java.awt.Shape getOutline(){
Rectangle2D anchor = getAnchor2D();
Rectangle2D anchor = getLogicalAnchor2D();
return new Line2D.Double(anchor.getX(), anchor.getY(), anchor.getX() + anchor.getWidth(), anchor.getY() + anchor.getHeight());
}
}

6
src/scratchpad/src/org/apache/poi/hslf/model/Shape.java
View File

@ -198,6 +198,10 @@ public abstract class Shape {
return anchor;
}
public Rectangle2D getLogicalAnchor2D(){
return getAnchor2D();
}
/**
* Sets the anchor (the bounding box rectangle) of this shape.
* All coordinates should be expressed in points (72 dpi).
@ -466,6 +470,6 @@ public abstract class Shape {
* @return the shape outline
*/
public java.awt.Shape getOutline(){
return getAnchor2D();
return getLogicalAnchor2D();
}
}

6
src/scratchpad/src/org/apache/poi/hslf/model/ShapeGroup.java
View File

@ -237,7 +237,7 @@ public class ShapeGroup extends Shape{
EscherClientAnchorRecord clientAnchor = (EscherClientAnchorRecord)getEscherChild(spContainer, EscherClientAnchorRecord.RECORD_ID);
Rectangle2D.Float anchor = new Rectangle2D.Float();
if(clientAnchor == null){
logger.log(POILogger.WARN, "EscherClientAnchorRecord was not found for the shape group");
logger.log(POILogger.INFO, "EscherClientAnchorRecord was not found for shape group. Searching for EscherChildAnchorRecord.");
EscherChildAnchorRecord rec = (EscherChildAnchorRecord)getEscherChild(spContainer, EscherChildAnchorRecord.RECORD_ID);
anchor = new Rectangle2D.Float(
(float)rec.getDx1()*POINT_DPI/MASTER_DPI,
@ -282,7 +282,7 @@ public class ShapeGroup extends Shape{
//transform coordinates
AffineTransform at = graphics.getTransform();
/*
if(!anchor.equals(coords)){
graphics.scale(anchor.getWidth()/coords.getWidth(), anchor.getHeight()/coords.getHeight());
@ -290,7 +290,7 @@ public class ShapeGroup extends Shape{
anchor.getX()*coords.getWidth()/anchor.getWidth() - coords.getX(),
anchor.getY()*coords.getHeight()/anchor.getHeight() - coords.getY());
}
*/
Shape[] sh = getShapes();
for (int i = 0; i < sh.length; i++) {
sh[i].draw(graphics);

2
src/scratchpad/src/org/apache/poi/hslf/model/ShapePainter.java
View File

@ -32,7 +32,7 @@ public class ShapePainter {
protected static POILogger logger = POILogFactory.getLogger(ShapePainter.class);
public static void paint(SimpleShape shape, Graphics2D graphics){
Rectangle2D anchor = shape.getAnchor2D();
Rectangle2D anchor = shape.getLogicalAnchor2D();
java.awt.Shape outline = shape.getOutline();
//flip vertical

47
src/scratchpad/src/org/apache/poi/hslf/model/SimpleShape.java
View File

@ -23,6 +23,7 @@ import org.apache.poi.hslf.record.ColorSchemeAtom;
import java.awt.*;
import java.awt.geom.AffineTransform;
import java.awt.geom.Rectangle2D;
/**
* An abstract simple (non-group) shape.
@ -232,6 +233,52 @@ public class SimpleShape extends Shape {
return angle;
}
public Rectangle2D getLogicalAnchor2D(){
Rectangle2D anchor = getAnchor2D();
//if it is a groupped shape see if we need to transform the coordinates
if (_parent != null){
Shape top = _parent;
while(top.getParent() != null) top = top.getParent();
Rectangle2D clientAnchor = top.getAnchor2D();
Rectangle2D spgrAnchor = ((ShapeGroup)top).getCoordinates();
double scalex = (double)spgrAnchor.getWidth()/clientAnchor.getWidth();
double scaley = (double)spgrAnchor.getHeight()/clientAnchor.getHeight();
double x = clientAnchor.getX() + (anchor.getX() - spgrAnchor.getX())/scalex;
double y = clientAnchor.getY() + (anchor.getY() - spgrAnchor.getY())/scaley;
double width = anchor.getWidth()/scalex;
double height = anchor.getHeight()/scaley;
anchor = new Rectangle2D.Double(x, y, width, height);
}
int angle = getRotation();
if(angle != 0){
double centerX = anchor.getX() + anchor.getWidth()/2;
double centerY = anchor.getY() + anchor.getHeight()/2;
AffineTransform trans = new AffineTransform();
trans.translate(centerX, centerY);
trans.rotate(Math.toRadians(angle));
trans.translate(-centerX, -centerY);
Rectangle2D rect = trans.createTransformedShape(anchor).getBounds2D();
if((anchor.getWidth() < anchor.getHeight() && rect.getWidth() > rect.getHeight()) ||
(anchor.getWidth() > anchor.getHeight() && rect.getWidth() < rect.getHeight()) ){
trans = new AffineTransform();
trans.translate(centerX, centerY);
trans.rotate(Math.PI/2);
trans.translate(-centerX, -centerY);
anchor = trans.createTransformedShape(anchor).getBounds2D();
}
}
return anchor;
}
public void draw(Graphics2D graphics){
AffineTransform at = graphics.getTransform();
ShapePainter.paint(this, graphics);

14
src/scratchpad/src/org/apache/poi/hslf/model/TextPainter.java
View File

@ -54,7 +54,10 @@ public class TextPainter {
for (int i = 0; i < rt.length; i++) {
int start = rt[i].getStartIndex();
int end = rt[i].getEndIndex();
if(start == end) continue;
if(start == end) {
logger.log(POILogger.INFO, "Skipping RichTextRun with zero length");
continue;
}
at.addAttribute(TextAttribute.FAMILY, rt[i].getFontName(), start, end);
at.addAttribute(TextAttribute.SIZE, new Float(rt[i].getFontSize()), start, end);
@ -86,7 +89,7 @@ public class TextPainter {
int paragraphStart = it.getBeginIndex();
int paragraphEnd = it.getEndIndex();
Rectangle2D anchor = _shape.getAnchor2D();
Rectangle2D anchor = _shape.getLogicalAnchor2D();
float textHeight = 0;
ArrayList lines = new ArrayList();
@ -115,7 +118,7 @@ public class TextPainter {
TextLayout textLayout = measurer.nextLayout(wrappingWidth + 1,
nextBreak == -1 ? paragraphEnd : nextBreak, true);
if (textLayout == null) {
textLayout = measurer.nextLayout(wrappingWidth,
textLayout = measurer.nextLayout((float)anchor.getWidth(),
nextBreak == -1 ? paragraphEnd : nextBreak, false);
}
if(textLayout == null){
@ -175,9 +178,12 @@ public class TextPainter {
if(rt.isBullet() && (prStart || startIndex == 0)){
it.setIndex(startIndex);
AttributedString bat = new AttributedString(Character.toString(rt.getBulletChar()), it.getAttributes());
AttributedString bat = new AttributedString(Character.toString(rt.getBulletChar()));
Color clr = rt.getBulletColor();
if (clr != null) bat.addAttribute(TextAttribute.FOREGROUND, clr);
else bat.addAttribute(TextAttribute.FOREGROUND, it.getAttribute(TextAttribute.FOREGROUND));
bat.addAttribute(TextAttribute.FAMILY, it.getAttribute(TextAttribute.FAMILY));
bat.addAttribute(TextAttribute.SIZE, it.getAttribute(TextAttribute.SIZE));
TextLayout bulletLayout = new TextLayout(bat.getIterator(), graphics.getFontRenderContext());
if(text.substring(startIndex, endIndex).length() > 1){