/*
* 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.
*/
/**
* @author Igor V. Stolyarov
*/
package org.apache.harmony.awt.gl.image;
import java.util.Hashtable;
import com.google.code.appengine.awt.image.BufferedImage;
import com.google.code.appengine.awt.image.ColorModel;
import com.google.code.appengine.awt.image.ComponentColorModel;
import com.google.code.appengine.awt.image.DataBuffer;
import com.google.code.appengine.awt.image.DataBufferByte;
import com.google.code.appengine.awt.image.DataBufferInt;
import com.google.code.appengine.awt.image.DirectColorModel;
import com.google.code.appengine.awt.image.ImageConsumer;
import com.google.code.appengine.awt.image.ImageProducer;
import com.google.code.appengine.awt.image.IndexColorModel;
import com.google.code.appengine.awt.image.WritableRaster;
public class BufferedImageSource implements ImageProducer {
private Hashtable<?, ?> properties;
private ColorModel cm;
private WritableRaster raster;
private int width;
private int height;
private ImageConsumer ic;
public BufferedImageSource(BufferedImage image, Hashtable<?, ?> properties){
if(properties == null) {
this.properties = new Hashtable<Object, Object>();
} else {
this.properties = properties;
}
width = image.getWidth();
height = image.getHeight();
cm = image.getColorModel();
raster = image.getRaster();
}
public BufferedImageSource(BufferedImage image){
this(image, null);
}
public boolean isConsumer(ImageConsumer ic) {
return (this.ic == ic);
}
public void startProduction(ImageConsumer ic) {
addConsumer(ic);
}
public void requestTopDownLeftRightResend(ImageConsumer ic) {
}
public void removeConsumer(ImageConsumer ic) {
if (this.ic == ic) {
this.ic = null;
}
}
public void addConsumer(ImageConsumer ic) {
this.ic = ic;
startProduction();
}
private void startProduction(){
try {
ic.setDimensions(width, height);
ic.setProperties(properties);
ic.setColorModel(cm);
ic.setHints(ImageConsumer.TOPDOWNLEFTRIGHT |
ImageConsumer.COMPLETESCANLINES |
ImageConsumer.SINGLEFRAME |
ImageConsumer.SINGLEPASS);
if(cm instanceof IndexColorModel &&
raster.getTransferType() == DataBuffer.TYPE_BYTE ||
cm instanceof ComponentColorModel &&
raster.getTransferType() == DataBuffer.TYPE_BYTE &&
raster.getNumDataElements() == 1){
DataBufferByte dbb = (DataBufferByte) raster.getDataBuffer();
byte data[] = dbb.getData();
int off = dbb.getOffset();
ic.setPixels(0, 0, width, height, cm, data, off, width);
}else if(cm instanceof DirectColorModel &&
raster.getTransferType() == DataBuffer.TYPE_INT){
DataBufferInt dbi = (DataBufferInt) raster.getDataBuffer();
int data[] = dbi.getData();
int off = dbi.getOffset();
ic.setPixels(0, 0, width, height, cm, data, off, width);
}else if(cm instanceof DirectColorModel &&
raster.getTransferType() == DataBuffer.TYPE_BYTE){
DataBufferByte dbb = (DataBufferByte) raster.getDataBuffer();
byte data[] = dbb.getData();
int off = dbb.getOffset();
ic.setPixels(0, 0, width, height, cm, data, off, width);
}else{
ColorModel rgbCM = ColorModel.getRGBdefault();
int pixels[] = new int[width];
Object pix = null;
for(int y = 0; y < height; y++){
for(int x = 0 ; x < width; x++){
pix = raster.getDataElements(x, y, pix);
pixels[x] = cm.getRGB(pix);
}
ic.setPixels(0, y, width, 1, rgbCM, pixels, 0, width);
}
}
ic.imageComplete(ImageConsumer.STATICIMAGEDONE);
}catch (NullPointerException e){
if (ic != null) {
ic.imageComplete(ImageConsumer.IMAGEERROR);
}
}
}
}