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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.afp;
-
- import java.awt.image.RenderedImage;
- import java.io.IOException;
-
- import org.apache.commons.io.output.ByteArrayOutputStream;
- import org.apache.fop.afp.AFPDataObjectInfo;
- import org.apache.fop.afp.AFPImageObjectInfo;
- import org.apache.fop.afp.AFPObjectAreaInfo;
- import org.apache.fop.afp.AFPPaintingState;
- import org.apache.xmlgraphics.image.loader.ImageFlavor;
- import org.apache.xmlgraphics.image.loader.impl.ImageRendered;
- import org.apache.xmlgraphics.ps.ImageEncodingHelper;
- import org.apache.xmlgraphics.util.MimeConstants;
-
- /**
- * PDFImageHandler implementation which handles RenderedImage instances.
- */
- public class AFPImageHandlerRenderedImage extends AFPImageHandler {
-
- private static final ImageFlavor[] FLAVORS = new ImageFlavor[] {
- ImageFlavor.BUFFERED_IMAGE,
- ImageFlavor.RENDERED_IMAGE
- };
-
- /** {@inheritDoc} */
- public AFPDataObjectInfo generateDataObjectInfo(
- AFPRendererImageInfo rendererImageInfo) throws IOException {
- AFPImageObjectInfo imageObjectInfo
- = (AFPImageObjectInfo)super.generateDataObjectInfo(rendererImageInfo);
-
- AFPRendererContext rendererContext
- = (AFPRendererContext)rendererImageInfo.getRendererContext();
- AFPInfo afpInfo = rendererContext.getInfo();
- AFPPaintingState paintingState = afpInfo.getPaintingState();
- int resolution = paintingState.getResolution();
-
- imageObjectInfo.setMimeType(MimeConstants.MIME_AFP_IOCA_FS45);
- imageObjectInfo.setDataHeightRes(resolution);
- imageObjectInfo.setDataWidthRes(resolution);
-
- ImageRendered imageRendered = (ImageRendered) rendererImageInfo.img;
- RenderedImage renderedImage = imageRendered.getRenderedImage();
-
- int dataHeight = renderedImage.getHeight();
- imageObjectInfo.setDataHeight(dataHeight);
-
- int dataWidth = renderedImage.getWidth();
- imageObjectInfo.setDataWidth(dataWidth);
-
- ByteArrayOutputStream baos = new ByteArrayOutputStream();
- ImageEncodingHelper.encodeRenderedImageAsRGB(renderedImage, baos);
- byte[] imageData = baos.toByteArray();
-
- boolean colorImages = paintingState.isColorImages();
- imageObjectInfo.setColor(colorImages);
-
- // convert to grayscale
- if (!colorImages) {
- baos.reset();
- int bitsPerPixel = paintingState.getBitsPerPixel();
- imageObjectInfo.setBitsPerPixel(bitsPerPixel);
- ImageEncodingHelper.encodeRGBAsGrayScale(
- imageData, dataWidth, dataHeight, bitsPerPixel, baos);
- imageData = baos.toByteArray();
- }
- imageObjectInfo.setData(imageData);
-
- // set object area info
- AFPObjectAreaInfo objectAreaInfo = imageObjectInfo.getObjectAreaInfo();
- objectAreaInfo.setWidthRes(resolution);
- objectAreaInfo.setHeightRes(resolution);
-
- return imageObjectInfo;
- }
-
- /** {@inheritDoc} */
- protected AFPDataObjectInfo createDataObjectInfo() {
- return new AFPImageObjectInfo();
- }
-
- /** {@inheritDoc} */
- public int getPriority() {
- return 300;
- }
-
- /** {@inheritDoc} */
- public Class getSupportedImageClass() {
- return ImageRendered.class;
- }
-
- /** {@inheritDoc} */
- public ImageFlavor[] getSupportedImageFlavors() {
- return FLAVORS;
- }
-
- }
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