103 lines
3.8 KiB
Java
Executable File
103 lines
3.8 KiB
Java
Executable File
/* ====================================================================
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Licensed to the Apache Software Foundation (ASF) under one or more
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contributor license agreements. See the NOTICE file distributed with
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this work for additional information regarding copyright ownership.
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The ASF licenses this file to You under the Apache License, Version 2.0
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(the "License"); you may not use this file except in compliance with
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the License. You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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==================================================================== */
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package org.apache.poi.hslf.model;
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import org.apache.poi.util.POILogger;
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import org.apache.poi.util.POILogFactory;
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import java.awt.*;
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import java.awt.geom.Rectangle2D;
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/**
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* Paint a shape into java.awt.Graphics2D
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*
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* @author Yegor Kozlov
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*/
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public class ShapePainter {
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protected static POILogger logger = POILogFactory.getLogger(ShapePainter.class);
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public static void paint(SimpleShape shape, Graphics2D graphics){
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Rectangle2D anchor = shape.getAnchor2D();
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java.awt.Shape outline = shape.getOutline();
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//flip vertical
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if(shape.getFlipVertical()){
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graphics.translate(anchor.getX(), anchor.getY() + anchor.getHeight());
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graphics.scale(1, -1);
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graphics.translate(-anchor.getX(), -anchor.getY());
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}
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//flip horizontal
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if(shape.getFlipHorizontal()){
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graphics.translate(anchor.getX() + anchor.getWidth(), anchor.getY());
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graphics.scale(-1, 1);
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graphics.translate(-anchor.getX() , -anchor.getY());
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}
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//rotate transform
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double angle = shape.getRotation();
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if(angle != 0){
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double centerX = anchor.getX() + anchor.getWidth()/2;
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double centerY = anchor.getY() + anchor.getHeight()/2;
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graphics.translate(centerX, centerY);
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graphics.rotate(Math.toRadians(angle));
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graphics.translate(-centerX, -centerY);
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}
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//fill
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Color fillColor = shape.getFill().getForegroundColor();
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if (fillColor != null) {
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//TODO: implement gradient and texture fill patterns
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graphics.setPaint(fillColor);
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graphics.fill(outline);
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}
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//border
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Color lineColor = shape.getLineColor();
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if (lineColor != null){
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graphics.setPaint(lineColor);
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float width = (float)shape.getLineWidth();
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if(width == 0) width = 0.75f;
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int dashing = shape.getLineDashing();
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//TODO: implement more dashing styles
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float[] dashptrn = null;
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switch(dashing){
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case Line.PEN_SOLID:
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dashptrn = null;
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break;
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case Line.PEN_PS_DASH:
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dashptrn = new float[]{width, width};
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break;
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case Line.PEN_DOTGEL:
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dashptrn = new float[]{width*4, width*3};
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break;
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default:
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logger.log(POILogger.WARN, "unsupported dashing: " + dashing);
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dashptrn = new float[]{width, width};
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break;
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}
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Stroke stroke = new BasicStroke(width, BasicStroke.CAP_BUTT, BasicStroke.JOIN_MITER, 10.0f, dashptrn, 0.0f);
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graphics.setStroke(stroke);
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graphics.draw(outline);
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}
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}
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}
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