From 554fd8c5195424bdbcabf5de30fdc183aba391bd Mon Sep 17 00:00:00 2001 From: upstream source tree Date: Sun, 15 Mar 2015 20:14:05 -0400 Subject: obtained gcc-4.6.4.tar.bz2 from upstream website; verified gcc-4.6.4.tar.bz2.sig; imported gcc-4.6.4 source tree from verified upstream tarball. downloading a git-generated archive based on the 'upstream' tag should provide you with a source tree that is binary identical to the one extracted from the above tarball. if you have obtained the source via the command 'git clone', however, do note that line-endings of files in your working directory might differ from line-endings of the respective files in the upstream repository. --- .../image/renderable/RenderableImageProducer.java | 166 +++++++++++++++++++++ 1 file changed, 166 insertions(+) create mode 100644 libjava/classpath/java/awt/image/renderable/RenderableImageProducer.java (limited to 'libjava/classpath/java/awt/image/renderable/RenderableImageProducer.java') diff --git a/libjava/classpath/java/awt/image/renderable/RenderableImageProducer.java b/libjava/classpath/java/awt/image/renderable/RenderableImageProducer.java new file mode 100644 index 000000000..bd3b507cb --- /dev/null +++ b/libjava/classpath/java/awt/image/renderable/RenderableImageProducer.java @@ -0,0 +1,166 @@ +/* RenderableImageProducer.java -- + Copyright (C) 2002, 2006 Free Software Foundation, Inc. + +This file is part of GNU Classpath. + +GNU Classpath is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2, or (at your option) +any later version. + +GNU Classpath is distributed in the hope that it will be useful, but +WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +General Public License for more details. + +You should have received a copy of the GNU General Public License +along with GNU Classpath; see the file COPYING. If not, write to the +Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA +02110-1301 USA. + +Linking this library statically or dynamically with other modules is +making a combined work based on this library. Thus, the terms and +conditions of the GNU General Public License cover the whole +combination. + +As a special exception, the copyright holders of this library give you +permission to link this library with independent modules to produce an +executable, regardless of the license terms of these independent +modules, and to copy and distribute the resulting executable under +terms of your choice, provided that you also meet, for each linked +independent module, the terms and conditions of the license of that +module. An independent module is a module which is not derived from +or based on this library. If you modify this library, you may extend +this exception to your version of the library, but you are not +obligated to do so. If you do not wish to do so, delete this +exception statement from your version. */ + + +package java.awt.image.renderable; + +import java.awt.image.ColorModel; +import java.awt.image.DataBuffer; +import java.awt.image.ImageConsumer; +import java.awt.image.ImageProducer; +import java.awt.image.Raster; +import java.awt.image.RenderedImage; +import java.awt.image.SampleModel; +import java.util.ArrayList; +import java.util.Iterator; + +public class RenderableImageProducer implements ImageProducer, Runnable +{ + private RenderableImage image; + private RenderContext context; + private ArrayList consumers = new ArrayList(); + + public RenderableImageProducer(RenderableImage image, RenderContext context) + { + this.image = image; + this.context = context; + } + + public void setRenderContext(RenderContext context) + { + this.context = context; + } + + public void addConsumer(ImageConsumer consumer) + { + synchronized (consumers) + { + if (! consumers.contains(consumer)) + consumers.add(consumer); + } + } + + public boolean isConsumer(ImageConsumer consumer) + { + synchronized (consumers) + { + return consumers.contains(consumer); + } + } + + public void removeConsumer(ImageConsumer consumer) + { + synchronized (consumers) + { + consumers.remove(consumer); + } + } + + public void startProduction(ImageConsumer consumer) + { + addConsumer(consumer); + Thread t = new Thread(this, "RenderableImageProducerWorker"); + t.start(); + } + + public void requestTopDownLeftRightResend(ImageConsumer consumer) + { + // Do nothing. The contract says we can ignore this call, so we do. + } + + public void run() + { + // This isn't ideal but it avoids fail-fast problems. + // Alternatively, we could clone 'consumers' here. + synchronized (consumers) + { + RenderedImage newImage; + if (context == null) + newImage = image.createDefaultRendering(); + else + newImage = image.createRendering(context); + Raster newData = newImage.getData(); + ColorModel colorModel = newImage.getColorModel(); + if (colorModel == null) + colorModel = ColorModel.getRGBdefault(); + SampleModel sampleModel = newData.getSampleModel(); + DataBuffer dataBuffer = newData.getDataBuffer(); + int width = newData.getWidth(); + int height = newData.getHeight(); + + // Initialize the consumers. + Iterator it = consumers.iterator(); + while (it.hasNext()) + { + ImageConsumer target = (ImageConsumer) it.next(); + target.setHints(ImageConsumer.COMPLETESCANLINES + | ImageConsumer.SINGLEFRAME + | ImageConsumer.SINGLEPASS + | ImageConsumer.TOPDOWNLEFTRIGHT); + target.setDimensions(width, height); + } + + // Work in scan-line order. + int[] newLine = new int[width]; + int[] bands = new int[sampleModel.getNumBands()]; + for (int y = 0; y < height; ++y) + { + for (int x = 0; x < width; ++x) + { + sampleModel.getPixel(x, y, bands, dataBuffer); + newLine[x] = colorModel.getDataElement(bands, 0); + } + + // Tell the consumers about the new scan line. + it = consumers.iterator(); + while (it.hasNext()) + { + ImageConsumer target = (ImageConsumer) it.next(); + target.setPixels(0, y, width, 1, colorModel, newLine, 0, width); + } + } + + // Tell the consumers that we're done. + it = consumers.iterator(); + while (it.hasNext()) + { + ImageConsumer target = (ImageConsumer) it.next(); + target.imageComplete(ImageConsumer.STATICIMAGEDONE); + } + } + } +} // class RenderableImageProducer -- cgit v1.2.3