--- /dev/null
+/*
+
+ ============================================================================
+ 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 <jtauber@jtauber.com>. For more information on the Apache
+ Software Foundation, please see <http://www.apache.org/>.
+
+ */
+
+//Author: Eric SCHAEFFER
+//Description: implement FopImage using AWT classes (for Gif or Jpeg images)
+
+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;
+
+public class GifJpegImage 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 GifJpegImage(URL href) throws FopImageException {
+ this.m_href = href;
+ }
+
+ protected void getImage() throws FopImageException {
+ int[] tmpMap = null;
+ try {
+ ImageProducer ip = (ImageProducer)this.m_href.getContent();
+ FopImageConsumer consumer = new FopImageConsumer();
+ 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 class FopImageConsumer implements ImageConsumer {
+ int width = -1;
+ int height = -1;
+ Integer imageStatus = new Integer(-1);
+
+ public FopImageConsumer() {
+ }
+
+ public void imageComplete(int status) {
+ synchronized(this.imageStatus) {
+ // Need to stop status if image done
+ if (this.imageStatus.intValue() != ImageConsumer.STATICIMAGEDONE)
+ this.imageStatus = new Integer(status);
+ }
+/*
+System.err.print("Status ");
+if (status == ImageConsumer.COMPLETESCANLINES) {
+ System.err.println("CompleteScanLines");
+} else if (status == ImageConsumer.IMAGEABORTED) {
+ System.err.println("ImageAborted");
+} else if (status == ImageConsumer.IMAGEERROR) {
+ System.err.println("ImageError");
+} else if (status == ImageConsumer.RANDOMPIXELORDER) {
+ System.err.println("RandomPixelOrder");
+} else if (status == ImageConsumer.SINGLEFRAME) {
+ System.err.println("SingleFrame");
+} else if (status == ImageConsumer.SINGLEFRAMEDONE) {
+ System.err.println("SingleFrameDone");
+} else if (status == ImageConsumer.SINGLEPASS) {
+ System.err.println("SinglePass");
+} else if (status == ImageConsumer.STATICIMAGEDONE) {
+ System.err.println("StaticImageDone");
+} else if (status == ImageConsumer.TOPDOWNLEFTRIGHT) {
+ System.err.println("TopDownLeftRight");
+}
+*/
+ }
+
+ public 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;
+ }
+ }
+}
projects / xmlgraphics-fop.git / commitdiff