Many resources are needed to download a project. Please understand that we have to compensate our server costs. Thank you in advance. Project price only 1 $
You can buy this project and download/modify it how often you want.
/*
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.batik.gvt;
import java.awt.PaintContext;
import java.awt.Rectangle;
import java.awt.RenderingHints;
import java.awt.color.ColorSpace;
import java.awt.geom.AffineTransform;
import java.awt.geom.Rectangle2D;
import java.awt.image.BufferedImage;
import java.awt.image.ColorModel;
import java.awt.image.Raster;
import java.awt.image.RenderedImage;
import java.awt.image.WritableRaster;
import java.awt.image.renderable.RenderContext;
import org.apache.batik.ext.awt.image.GraphicsUtil;
import org.apache.batik.ext.awt.image.renderable.Filter;
import org.apache.batik.ext.awt.image.renderable.TileRable;
import org.apache.batik.ext.awt.image.renderable.TileRable8Bit;
import org.apache.batik.ext.awt.image.rendered.TileCacheRed;
/**
* PaintContext for the ConcretePatterPaint
* paint implementation.
*
* @author Vincent Hardy
* @version $Id: PatternPaintContext.java 1733416 2016-03-03 07:07:13Z gadams $
*/
public class PatternPaintContext implements PaintContext {
/**
* ColorModel for the Rasters created by this Paint
*/
private ColorModel rasterCM;
/**
* Working Raster
*/
private WritableRaster raster;
/**
* Tile
*/
private RenderedImage tiled;
protected AffineTransform usr2dev;
public AffineTransform getUsr2Dev() { return usr2dev; }
private static Rectangle EVERYTHING =
new Rectangle(Integer.MIN_VALUE/4, Integer.MIN_VALUE/4,
Integer.MAX_VALUE/2, Integer.MAX_VALUE/2);
/**
* @param destCM ColorModel that receives the paint data
* @param usr2dev user space to device space transform
* @param hints RenderingHints
* @param patternRegion region tiled by this paint. In user space.
* @param overflow controls whether the pattern region clips the
* pattern tile
*/
public PatternPaintContext(ColorModel destCM,
AffineTransform usr2dev,
RenderingHints hints,
Filter tile,
Rectangle2D patternRegion,
boolean overflow) {
if(usr2dev == null){
throw new IllegalArgumentException();
}
if(hints == null){
hints = new RenderingHints(null);
}
if(tile == null){
throw new IllegalArgumentException();
}
this.usr2dev = usr2dev;
// System.out.println("PatB: " + patternRegion);
// System.out.println("Tile: " + tile);
TileRable tileRable = new TileRable8Bit(tile,
EVERYTHING,
patternRegion,
overflow);
ColorSpace destCS = destCM.getColorSpace();
if (destCS == ColorSpace.getInstance(ColorSpace.CS_sRGB))
tileRable.setColorSpaceLinear(false);
else if (destCS == ColorSpace.getInstance(ColorSpace.CS_LINEAR_RGB))
tileRable.setColorSpaceLinear(true);
RenderContext rc = new RenderContext(usr2dev, EVERYTHING, hints);
tiled = tileRable.createRendering(rc);
// System.out.println("tileRed: " + tiled);
// org.apache.batik.test.gvt.ImageDisplay.showImage("Tiled: ", tiled);
//System.out.println("Created rendering");
if(tiled != null) {
Rectangle2D devRgn = usr2dev.createTransformedShape
(patternRegion).getBounds();
if ((devRgn.getWidth() > 128) ||
(devRgn.getHeight() > 128))
tiled = new TileCacheRed(GraphicsUtil.wrap(tiled), 256, 64);
} else {
//System.out.println("Tile was null");
rasterCM = ColorModel.getRGBdefault();
WritableRaster wr;
wr = rasterCM.createCompatibleWritableRaster(32, 32);
tiled = GraphicsUtil.wrap
(new BufferedImage(rasterCM, wr, false, null));
return;
}
rasterCM = tiled.getColorModel();
if (rasterCM.hasAlpha()) {
if (destCM.hasAlpha())
rasterCM = GraphicsUtil.coerceColorModel
(rasterCM, destCM.isAlphaPremultiplied());
else
rasterCM = GraphicsUtil.coerceColorModel(rasterCM, false);
}
}
public void dispose(){
raster = null;
}
public ColorModel getColorModel(){
return rasterCM;
}
public Raster getRaster(int x, int y, int width, int height){
// System.out.println("GetRaster: [" + x + ", " + y + ", "
// + width + ", " + height + "]");
if ((raster == null) ||
(raster.getWidth() < width) ||
(raster.getHeight() < height)) {
raster = rasterCM.createCompatibleWritableRaster(width, height);
}
WritableRaster wr
= raster.createWritableChild(0, 0, width, height, x, y, null);
tiled.copyData(wr);
GraphicsUtil.coerceData(wr, tiled.getColorModel(),
rasterCM.isAlphaPremultiplied());
// On Mac OS X it always wants the raster at 0,0 if the
// requested width and height matches raster we can just
// return it. Otherwise we create a translated child that
// lives at 0,0.
if ((raster.getWidth() == width) &&
(raster.getHeight() == height))
return raster;
return wr.createTranslatedChild(0,0);
}
}
