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- /*
- * Copyright 1999-2004 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;
-
- // Jimi
- import com.sun.jimi.core.Jimi;
-
- // Avalon
- import org.apache.avalon.framework.logger.Logger;
-
- /**
- * 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 {
-
- public JimiImage(FopImage.ImageInfo imgReader) {
- super(imgReader);
- try {
- Class c = Class.forName("com.sun.jimi.core.Jimi");
- } catch (ClassNotFoundException e) {
- //throw new FopImageException("Jimi image library not available");
- }
- }
-
- protected boolean loadDimensions(Logger logger) {
- if (this.bitmaps == null) {
- loadImage(logger);
- }
-
- return this.bitmaps != null;
- }
-
- /**
- * @see org.apache.fop.image.AbstractFopImage#loadBitmap(Logger)
- */
- protected boolean loadBitmap(Logger logger) {
- if (this.bitmaps == null) {
- loadImage(logger);
- }
-
- return this.bitmaps != null;
- }
-
- protected void loadImage(Logger log) {
- 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();
-
- inputStream.close();
- inputStream = null;
-
- 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 "
- + "", ex);
- return;
- }
-
-
- // Should take care of the ColorSpace and bitsPerPixel
- this.bitmapsSize = this.width * this.height * 3;
- this.bitmaps = new byte[this.bitmapsSize];
- 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);
- }
- }
- }
-
- }
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