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/*
* $Id$
* Copyright (C) 2001 The Apache Software Foundation. All rights reserved.
* For details on use and redistribution please refer to the
* LICENSE file included with these sources.
*/
// Author: Eric SCHAEFFER
// Description: implement ImageConsumer for FopImage classes
package org.apache.fop.image;
// Java
import java.util.Hashtable;
import java.awt.image.*;
import java.awt.*;
import java.lang.reflect.Array;
// CONSUMER CLASS
public class FopImageConsumer implements ImageConsumer {
protected int width = -1;
protected int height = -1;
protected Integer imageStatus = new Integer(-1);
protected int hints = 0;
protected Hashtable properties = null;
protected ColorModel cm = null;
protected ImageProducer ip = null;
public FopImageConsumer(ImageProducer iprod) {
this.ip = iprod;
}
public void imageComplete(int status) {
/*
* log.error("Status ");
* if (status == ImageConsumer.COMPLETESCANLINES) {
* log.error("CompleteScanLines");
* } else if (status == ImageConsumer.IMAGEABORTED) {
* log.error("ImageAborted");
* } else if (status == ImageConsumer.IMAGEERROR) {
* log.error("ImageError");
* } else if (status == ImageConsumer.RANDOMPIXELORDER) {
* log.error("RandomPixelOrder");
* } else if (status == ImageConsumer.SINGLEFRAME) {
* log.error("SingleFrame");
* } else if (status == ImageConsumer.SINGLEFRAMEDONE) {
* log.error("SingleFrameDone");
* } else if (status == ImageConsumer.SINGLEPASS) {
* log.error("SinglePass");
* } else if (status == ImageConsumer.STATICIMAGEDONE) {
* log.error("StaticImageDone");
* } else if (status == ImageConsumer.TOPDOWNLEFTRIGHT) {
* log.error("TopDownLeftRight");
* }
*/
synchronized (this.imageStatus) {
// Need to stop status if image done
if (imageStatus.intValue() != ImageConsumer.STATICIMAGEDONE &&
imageStatus.intValue() != ImageConsumer.SINGLEFRAMEDONE)
this.imageStatus = new Integer(status);
}
}
public void setColorModel(ColorModel model) {
// log.error("setColorModel: " + model);
this.cm = model;
}
public void setDimensions(int width, int height) {
// log.error("setDimension: w=" + width + " h=" + height);
this.width = width;
this.height = height;
}
public void setHints(int hintflags) {
// log.error("setHints: " + hintflags);
this.hints = hintflags;
}
public void setProperties(Hashtable props) {
// log.error("setProperties: " + props);
this.properties = props;
}
public void setPixels(int x, int y, int w, int h, ColorModel model,
byte[] pixels, int off, int scansize) {}
public void setPixels(int x, int y, int w, int h, ColorModel model,
int[] pixels, int off, int scansize) {}
public boolean isImageReady() throws Exception {
synchronized (this.imageStatus) {
if (this.imageStatus.intValue() == ImageConsumer.IMAGEABORTED)
throw new Exception("Image aborted");
if (this.imageStatus.intValue() == ImageConsumer.IMAGEERROR)
throw new Exception("Image error");
if (imageStatus.intValue() == ImageConsumer.STATICIMAGEDONE ||
imageStatus.intValue() == ImageConsumer.SINGLEFRAMEDONE)
return true;
return false;
}
}
public int getWidth() {
return this.width;
}
public int getHeight() {
return this.height;
}
public ColorModel getColorModel() {
return this.cm;
}
public int[] getImage() throws Exception {
int tmpMap[] = new int[this.width * this.height];
PixelGrabber pg = new PixelGrabber(this.ip, 0, 0, this.width,
this.height, tmpMap, 0, this.width);
pg.setDimensions(this.width, this.height);
pg.setColorModel(this.cm);
pg.setHints(this.hints);
pg.setProperties(this.properties);
try {
pg.grabPixels();
} catch (InterruptedException intex) {
throw new Exception("Image grabbing interrupted : " +
intex.getMessage());
}
return tmpMap;
}
}
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