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Posted to fop-commits@xmlgraphics.apache.org by es...@locus.apache.org on 2000/05/23 11:07:33 UTC
cvs commit: xml-fop/src/org/apache/fop/image JimiImage.java
eschaeffer 00/05/23 02:07:33
Added: src/org/apache/fop/image JimiImage.java
Log:
JimiImage, an implementing class using Jimi
Revision Changes Path
1.1 xml-fop/src/org/apache/fop/image/JimiImage.java
Index: JimiImage.java
===================================================================
/*
============================================================================
The Apache Software License, Version 1.1
============================================================================
Copyright (C) 1999 The Apache Software Foundation. All rights reserved.
Redistribution and use in source and binary forms, with or without modifica-
tion, are permitted provided that the following conditions are met:
1. Redistributions of source code must retain the above copyright notice,
this list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright notice,
this list of conditions and the following disclaimer in the documentation
and/or other materials provided with the distribution.
3. The end-user documentation included with the redistribution, if any, must
include the following acknowledgment: "This product includes software
developed by the Apache Software Foundation (http://www.apache.org/)."
Alternately, this acknowledgment may appear in the software itself, if
and wherever such third-party acknowledgments normally appear.
4. The names "Fop" and "Apache Software Foundation" must not be used to
endorse or promote products derived from this software without prior
written permission. For written permission, please contact
apache@apache.org.
5. Products derived from this software may not be called "Apache", nor may
"Apache" appear in their name, without prior written permission of the
Apache Software Foundation.
THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES,
INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
APACHE SOFTWARE FOUNDATION OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLU-
DING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
This software consists of voluntary contributions made by many individuals
on behalf of the Apache Software Foundation and was originally created by
James Tauber <jt...@jtauber.com>. For more information on the Apache
Software Foundation, please see <http://www.apache.org/>.
*/
//Author: Eric SCHAEFFER
//Description: implement FopImage using Jimi
package org.apache.fop.image;
import org.apache.fop.datatypes.ColorSpace;
import org.apache.fop.pdf.PDFColor;
import org.apache.fop.pdf.PDFFilter;
// Java
import java.util.Hashtable;
import java.net.URL;
import java.io.IOException;
//import java.io.PrintWriter;
import java.awt.image.*;
import java.awt.*;
import java.lang.reflect.Array;
// Jimi
import com.sun.jimi.core.*;
public class JimiImage implements FopImage {
int m_width = 0;
int m_height = 0;
URL m_href = null;
ColorSpace m_colorSpace = null;
int m_bitsPerPixel = 0;
byte[] m_bitmaps = null;
int m_bitmapsSize = 0;
boolean m_isTransparent = false;
PDFColor m_transparentColor = null;
// Init the object.
// If href protocol isn't file://, can load the entire image
// and keep it in memory.
// Should cache the input stream, and load data when needed.
public JimiImage(URL href) throws FopImageException {
this.m_href = href;
}
protected void getImage() throws FopImageException {
int[] tmpMap = null;
try {
ImageProducer ip = Jimi.getImageProducer(this.m_href, Jimi.SYNCHRONOUS | Jimi.IN_MEMORY);
FopImageConsumer consumer = new FopImageConsumer(this);
ip.startProduction(consumer);
while (! consumer.isImageReady() ) {}
this.m_height = consumer.getHeight();
this.m_width = consumer.getWidth();
tmpMap = new int[this.m_width * this.m_height];
PixelGrabber pg = new PixelGrabber(
ip,
0, 0,
this.m_width, this.m_height,
tmpMap,
0, this.m_width
);
try {
pg.grabPixels();
} catch (InterruptedException intex) {
throw new FopImageException("Image grabbing interrupted : " + intex.getMessage());
}
} catch (Exception ex) {
throw new FopImageException("Error while loading image " + this.m_href.toString() + " : " + ex.getClass() + " - " + ex.getMessage());
}
// Should take care of the ColorSpace and bitsPerPixel
this.m_bitmaps = new byte[this.m_width * this.m_height * 3];
for (int i = 0; i < this.m_height; i++) {
for (int j = 0; j < this.m_width; j++) {
int p = tmpMap[i * this.m_width + j];
int r = (p >> 16) & 0xFF;
int g = (p >> 8) & 0xFF;
int b = (p ) & 0xFF;
this.m_bitmaps[3 * (i * this.m_width + j)] = (byte) (r & 0xFF);
this.m_bitmaps[3 * (i * this.m_width + j) + 1] = (byte) (g & 0xFF);
this.m_bitmaps[3 * (i * this.m_width + j) + 2] = (byte) (b & 0xFF);
}
}
this.m_bitmapsSize = java.lang.reflect.Array.getLength(this.m_bitmaps);
this.m_bitsPerPixel = 8;
this.m_colorSpace = new ColorSpace(ColorSpace.DEVICE_RGB);
}
// Get image general properties.
// Methods throw exception because they can retrieve data
// when needed.
// Ressource location
public String getURL() {
return this.m_href.toString();
}
// image size
public int getWidth() throws FopImageException {
if (this.m_width == 0) this.getImage();
return this.m_width;
}
public int getHeight() throws FopImageException {
if (this.m_height == 0) this.getImage();
return this.m_height;
}
// DeviceGray, DeviceRGB, or DeviceCMYK
public ColorSpace getColorSpace() throws FopImageException {
if (this.m_colorSpace == null) this.getImage();
return this.m_colorSpace;
}
// bits per pixel
public int getBitsPerPixel() throws FopImageException {
if (this.m_bitsPerPixel == 0) this.getImage();
return this.m_bitsPerPixel;
}
// For transparent images
public boolean isTransparent() throws FopImageException {
return false;
}
public PDFColor getTransparentColor() throws FopImageException {
return null;
}
// get the image bytes, and bytes properties
// get uncompressed image bytes
public byte[] getBitmaps() throws FopImageException {
if (this.m_bitmaps == null) this.getImage();
return this.m_bitmaps;
}
// width * (bitsPerPixel / 8) * height, no ?
public int getBitmapsSize() throws FopImageException {
if (this.m_bitmapsSize == 0) this.getImage();
return this.m_bitmapsSize;
}
// get compressed image bytes
// I don't know if we really need it, nor if it
// should be changed...
public byte[] getRessourceBytes() throws FopImageException {
return null;
}
public int getRessourceBytesSize() throws FopImageException {
return 0;
}
// return null if no corresponding PDFFilter
public PDFFilter getPDFFilter() throws FopImageException {
return null;
}
// release memory
public void close() {
/* For the moment, only release the bitmaps (image areas
can share the same FopImage object)
Thus, even if it had been called, other properties
are still available.
*/
// this.m_width = 0;
// this.m_height = 0;
// this.m_href = null;
// this.m_colorSpace = null;
// this.m_bitsPerPixel = 0;
this.m_bitmaps = null;
this.m_bitmapsSize = 0;
// this.m_isTransparent = false;
// this.m_transparentColor = null;
}
// CONSUMER CLASS
public static class FopImageConsumer implements ImageConsumer {
int width = -1;
int height = -1;
JimiImage graphic;
Integer imageStatus = new Integer(-1);
public FopImageConsumer(JimiImage graphic) {
this.graphic = graphic;
}
public void imageComplete(int status) {
synchronized (this.imageStatus) {
this.imageStatus = new Integer(status);
}
}
public synchronized boolean isImageReady()
throws Exception {
synchronized (this.imageStatus) {
if ( this.imageStatus.intValue() != -1 ) {
String statusStr = null;
if ( this.imageStatus.intValue() == ImageConsumer.IMAGEABORTED ) {
statusStr = new String("Image Aborted");
} else if ( this.imageStatus.intValue() == ImageConsumer.IMAGEERROR ) {
statusStr = new String("Image Error");
}
if ( statusStr != null ) {
throw new Exception("Error in image consumer (" + statusStr + ")");
}
if ( this.imageStatus.intValue() == ImageConsumer.STATICIMAGEDONE ) {
return true;
}
}
return false;
}
}
public void setColorModel(ColorModel model) {}
public void setDimensions(int width, int height) {
this.width = width;
this.height = height;
}
public void setHints(int hintflags) {}
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 void setProperties(Hashtable props) {}
public int getWidth() {
return this.width;
}
public int getHeight() {
return this.height;
}
}
}