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/*
* Copyright 1999-2005 The Apache Software Foundation.
*
* Licensed 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.
*/
/* $Id$ */
package org.apache.fop.image;
// Java
import java.awt.image.ImageProducer;
import java.awt.image.ColorModel;
import java.awt.image.IndexColorModel;
import java.awt.color.ColorSpace;
import java.awt.Color;
import org.apache.commons.io.IOUtils;
// Jimi
import com.sun.jimi.core.Jimi;
/**
* FopImage object for several images types, using Jimi.
* See Jimi documentation for supported image types.
* @author Eric SCHAEFFER
* @see AbstractFopImage
* @see FopImage
*/
public class JimiImage extends AbstractFopImage {
/**
* Create a new Jimi image.
*
* @param imgInfo the image info for this Jimi image
*/
public JimiImage(FopImage.ImageInfo imgInfo) {
super(imgInfo);
}
/**
* @see org.apache.fop.image.AbstractFopImage#loadDimensions()
*/
protected boolean loadDimensions() {
if (this.bitmaps == null) {
loadImage();
}
return this.bitmaps != null;
}
/**
* @see org.apache.fop.image.AbstractFopImage#loadBitmap()
*/
protected boolean loadBitmap() {
if (this.bitmaps == null) {
loadImage();
}
return this.bitmaps != null;
}
/**
* Loads the image from the inputstream
*/
protected void loadImage() {
int[] tmpMap = null;
try {
ImageProducer ip = Jimi.getImageProducer(inputStream,
Jimi.SYNCHRONOUS | Jimi.IN_MEMORY);
FopImageConsumer consumer = new FopImageConsumer(ip);
ip.startProduction(consumer);
while (!consumer.isImageReady()) {
Thread.sleep(500);
}
this.height = consumer.getHeight();
this.width = consumer.getWidth();
try {
tmpMap = consumer.getImage();
} catch (Exception ex) {
log.error("Image grabbing interrupted", ex);
return;
}
ColorModel cm = consumer.getColorModel();
this.bitsPerPixel = 8;
// this.bitsPerPixel = cm.getPixelSize();
this.colorSpace = ColorSpace.getInstance(ColorSpace.CS_LINEAR_RGB);
if (cm.hasAlpha()) {
// java.awt.Transparency. BITMASK or OPAQUE or TRANSLUCENT
int transparencyType = cm.getTransparency();
if (transparencyType == java.awt.Transparency.OPAQUE) {
this.isTransparent = false;
} else if (transparencyType == java.awt.Transparency.BITMASK) {
if (cm instanceof IndexColorModel) {
this.isTransparent = false;
byte[] alphas = new byte[
((IndexColorModel) cm).getMapSize()];
byte[] reds = new byte[
((IndexColorModel) cm).getMapSize()];
byte[] greens = new byte[
((IndexColorModel) cm).getMapSize()];
byte[] blues = new byte[
((IndexColorModel) cm).getMapSize()];
((IndexColorModel) cm).getAlphas(alphas);
((IndexColorModel) cm).getReds(reds);
((IndexColorModel) cm).getGreens(greens);
((IndexColorModel) cm).getBlues(blues);
for (int i = 0;
i < ((IndexColorModel) cm).getMapSize();
i++) {
if ((alphas[i] & 0xFF) == 0) {
this.isTransparent = true;
this.transparentColor = new Color(
(int)(reds[i] & 0xFF),
(int)(greens[i] & 0xFF),
(int)(blues[i] & 0xFF));
break;
}
}
} else {
// TRANSLUCENT
/*
* this.isTransparent = false;
* for (int i = 0; i < this.width * this.height; i++) {
* if (cm.getAlpha(tmpMap[i]) == 0) {
* this.isTransparent = true;
* this.transparentColor = new PDFColor(cm.getRed(tmpMap[i]),
* cm.getGreen(tmpMap[i]), cm.getBlue(tmpMap[i]));
* break;
* }
* }
*/
// use special API...
this.isTransparent = false;
}
} else {
this.isTransparent = false;
}
} else {
this.isTransparent = false;
}
} catch (Throwable ex) {
log.error("Error while loading image (Jimi): " + ex.getMessage(), ex);
return;
} finally {
IOUtils.closeQuietly(inputStream);
inputStream = null;
}
// Should take care of the ColorSpace and bitsPerPixel
this.bitmaps = new byte[this.width * this.height * 3];
for (int i = 0; i < this.height; i++) {
for (int j = 0; j < this.width; j++) {
int p = tmpMap[i * this.width + j];
int r = (p >> 16) & 0xFF;
int g = (p >> 8) & 0xFF;
int b = (p) & 0xFF;
this.bitmaps[3 * (i * this.width + j)] = (byte)(r & 0xFF);
this.bitmaps[3 * (i * this.width + j) + 1] = (byte)(g & 0xFF);
this.bitmaps[3 * (i * this.width + j) + 2] = (byte)(b & 0xFF);
}
}
}
/** @see org.apache.fop.image.AbstractFopImage#loadOriginalData() */
protected boolean loadOriginalData() {
return loadDefaultOriginalData();
}
}
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