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- /*
- * Licensed to the Apache Software Foundation (ASF) under one or more
- * contributor license agreements. See the NOTICE file distributed with
- * this work for additional information regarding copyright ownership.
- * The ASF licenses this file to You 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.render.ps;
-
- import java.awt.Rectangle;
- import java.awt.geom.Rectangle2D;
- import java.io.IOException;
-
- import org.apache.xmlgraphics.image.loader.Image;
- import org.apache.xmlgraphics.image.loader.ImageFlavor;
- import org.apache.xmlgraphics.image.loader.ImageInfo;
- import org.apache.xmlgraphics.image.loader.impl.ImageRawJPEG;
- import org.apache.xmlgraphics.ps.FormGenerator;
- import org.apache.xmlgraphics.ps.ImageEncoder;
- import org.apache.xmlgraphics.ps.ImageFormGenerator;
- import org.apache.xmlgraphics.ps.PSGenerator;
- import org.apache.xmlgraphics.ps.PSImageUtils;
-
- import org.apache.fop.render.RenderingContext;
-
- /**
- * Image handler implementation which handles undecoded JPEG images for PostScript output.
- */
- public class PSImageHandlerRawJPEG implements PSImageHandler {
-
- private static final ImageFlavor[] FLAVORS = new ImageFlavor[] {
- ImageFlavor.RAW_JPEG
- };
-
- /** {@inheritDoc} */
- public void handleImage(RenderingContext context, Image image, Rectangle pos)
- throws IOException {
- PSRenderingContext psContext = (PSRenderingContext)context;
- PSGenerator gen = psContext.getGenerator();
- ImageRawJPEG jpeg = (ImageRawJPEG)image;
-
- float x = (float)pos.getX() / 1000f;
- float y = (float)pos.getY() / 1000f;
- float w = (float)pos.getWidth() / 1000f;
- float h = (float)pos.getHeight() / 1000f;
- Rectangle2D targetRect = new Rectangle2D.Float(
- x, y, w, h);
-
- ImageInfo info = image.getInfo();
-
- ImageEncoder encoder = new ImageEncoderJPEG(jpeg);
- PSImageUtils.writeImage(encoder, info.getSize().getDimensionPx(),
- info.getOriginalURI(), targetRect,
- jpeg.getColorSpace(), 8, jpeg.isInverted(), gen);
- }
-
- /** {@inheritDoc} */
- public void generateForm(RenderingContext context, Image image, PSImageFormResource form)
- throws IOException {
- PSRenderingContext psContext = (PSRenderingContext)context;
- PSGenerator gen = psContext.getGenerator();
- ImageRawJPEG jpeg = (ImageRawJPEG)image;
- ImageInfo info = image.getInfo();
- String imageDescription = info.getMimeType() + " " + info.getOriginalURI();
-
- ImageEncoder encoder = new ImageEncoderJPEG(jpeg);
- FormGenerator formGen = new ImageFormGenerator(
- form.getName(), imageDescription,
- info.getSize().getDimensionPt(),
- info.getSize().getDimensionPx(),
- encoder,
- jpeg.getColorSpace(), jpeg.isInverted());
- formGen.generate(gen);
- }
-
- /** {@inheritDoc} */
- public int getPriority() {
- return 200;
- }
-
- /** {@inheritDoc} */
- public Class getSupportedImageClass() {
- return ImageRawJPEG.class;
- }
-
- /** {@inheritDoc} */
- public ImageFlavor[] getSupportedImageFlavors() {
- return FLAVORS;
- }
-
- /** {@inheritDoc} */
- public boolean isCompatible(RenderingContext targetContext, Image image) {
- if (targetContext instanceof PSRenderingContext) {
- PSRenderingContext psContext = (PSRenderingContext)targetContext;
- //The filters required for this implementation need PS level 2 or higher
- if (psContext.getGenerator().getPSLevel() >= 2) {
- return (image == null || image instanceof ImageRawJPEG);
- }
- }
- return false;
- }
-
- }
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