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/*
* ====================================================================
* 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.draw.geom;
import java.awt.geom.Path2D;
import java.util.ArrayList;
import java.util.List;
import org.apache.poi.sl.draw.binding.CTAdjPoint2D;
import org.apache.poi.sl.draw.binding.CTPath2D;
import org.apache.poi.sl.draw.binding.CTPath2DArcTo;
import org.apache.poi.sl.draw.binding.CTPath2DClose;
import org.apache.poi.sl.draw.binding.CTPath2DCubicBezierTo;
import org.apache.poi.sl.draw.binding.CTPath2DLineTo;
import org.apache.poi.sl.draw.binding.CTPath2DMoveTo;
import org.apache.poi.sl.draw.binding.CTPath2DQuadBezierTo;
import org.apache.poi.sl.usermodel.PaintStyle.PaintModifier;
/**
* Specifies a creation path consisting of a series of moves, lines and curves
* that when combined forms a geometric shape
*/
public class Path {
private final List<PathCommand> commands;
PaintModifier _fill;
boolean _stroke;
long _w, _h;
public Path(){
this(true, true);
}
public Path(boolean fill, boolean stroke){
commands = new ArrayList<PathCommand>();
_w = -1;
_h = -1;
_fill = (fill) ? PaintModifier.NORM : PaintModifier.NONE;
_stroke = stroke;
}
public Path(CTPath2D spPath){
switch (spPath.getFill()) {
case NONE: _fill = PaintModifier.NONE; break;
case DARKEN: _fill = PaintModifier.DARKEN; break;
case DARKEN_LESS: _fill = PaintModifier.DARKEN_LESS; break;
case LIGHTEN: _fill = PaintModifier.LIGHTEN; break;
case LIGHTEN_LESS: _fill = PaintModifier.LIGHTEN_LESS; break;
default:
case NORM: _fill = PaintModifier.NORM; break;
}
_stroke = spPath.isStroke();
_w = spPath.isSetW() ? spPath.getW() : -1;
_h = spPath.isSetH() ? spPath.getH() : -1;
commands = new ArrayList<PathCommand>();
for(Object ch : spPath.getCloseOrMoveToOrLnTo()){
if(ch instanceof CTPath2DMoveTo){
CTAdjPoint2D pt = ((CTPath2DMoveTo)ch).getPt();
commands.add(new MoveToCommand(pt));
} else if (ch instanceof CTPath2DLineTo){
CTAdjPoint2D pt = ((CTPath2DLineTo)ch).getPt();
commands.add(new LineToCommand(pt));
} else if (ch instanceof CTPath2DArcTo){
CTPath2DArcTo arc = (CTPath2DArcTo)ch;
commands.add(new ArcToCommand(arc));
} else if (ch instanceof CTPath2DQuadBezierTo){
CTPath2DQuadBezierTo bez = ((CTPath2DQuadBezierTo)ch);
CTAdjPoint2D pt1 = bez.getPt().get(0);
CTAdjPoint2D pt2 = bez.getPt().get(1);
commands.add(new QuadToCommand(pt1, pt2));
} else if (ch instanceof CTPath2DCubicBezierTo){
CTPath2DCubicBezierTo bez = ((CTPath2DCubicBezierTo)ch);
CTAdjPoint2D pt1 = bez.getPt().get(0);
CTAdjPoint2D pt2 = bez.getPt().get(1);
CTAdjPoint2D pt3 = bez.getPt().get(2);
commands.add(new CurveToCommand(pt1, pt2, pt3));
} else if (ch instanceof CTPath2DClose){
commands.add(new ClosePathCommand());
} else {
throw new IllegalStateException("Unsupported path segment: " + ch);
}
}
}
public void addCommand(PathCommand cmd){
commands.add(cmd);
}
/**
* Convert the internal represenation to java.awt.geom.Path2D
*/
public Path2D.Double getPath(Context ctx) {
Path2D.Double path = new Path2D.Double();
for(PathCommand cmd : commands) {
cmd.execute(path, ctx);
}
return path;
}
public boolean isStroked(){
return _stroke;
}
public boolean isFilled(){
return _fill != PaintModifier.NONE;
}
public PaintModifier getFill() {
return _fill;
}
public long getW(){
return _w;
}
public long getH(){
return _h;
}
}
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