- /*
- * 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.pdf;
-
- import java.awt.Color;
- import java.awt.Dimension;
- import java.awt.Rectangle;
- import java.awt.geom.AffineTransform;
- 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.impl.ImageGraphics2D;
-
- import org.apache.fop.render.AbstractImageHandlerGraphics2D;
- import org.apache.fop.render.ImageHandlerUtil;
- import org.apache.fop.render.RenderingContext;
- import org.apache.fop.render.pdf.PDFLogicalStructureHandler.MarkedContentInfo;
- import org.apache.fop.svg.PDFGraphics2D;
-
- /**
- * PDFImageHandler implementation which handles Graphics2D images.
- */
- public class PDFImageHandlerGraphics2D extends AbstractImageHandlerGraphics2D {
-
- private static final ImageFlavor[] FLAVORS = new ImageFlavor[] {
- ImageFlavor.GRAPHICS2D,
- };
-
- /** {@inheritDoc} */
- public void handleImage(RenderingContext context, Image image, Rectangle pos)
- throws IOException {
- PDFRenderingContext pdfContext = (PDFRenderingContext)context;
- PDFContentGenerator generator = pdfContext.getGenerator();
- ImageGraphics2D imageG2D = (ImageGraphics2D)image;
- float fwidth = pos.width / 1000f;
- float fheight = pos.height / 1000f;
- float fx = pos.x / 1000f;
- float fy = pos.y / 1000f;
-
- // get the 'width' and 'height' attributes of the SVG document
- Dimension dim = image.getInfo().getSize().getDimensionMpt();
- float imw = (float)dim.getWidth() / 1000f;
- float imh = (float)dim.getHeight() / 1000f;
-
- float sx = fwidth / imw;
- float sy = fheight / imh;
-
- generator.comment("G2D start");
- boolean accessibilityEnabled = context.getUserAgent().isAccessibilityEnabled();
- if (accessibilityEnabled) {
- MarkedContentInfo mci = pdfContext.getMarkedContentInfo();
- generator.saveGraphicsState(mci.tag, mci.mcid);
- } else {
- generator.saveGraphicsState();
- }
- generator.updateColor(Color.black, false, null);
- generator.updateColor(Color.black, true, null);
-
- //TODO Clip to the image area.
-
- // transform so that the coordinates (0,0) is from the top left
- // and positive is down and to the right. (0,0) is where the
- // viewBox puts it.
- generator.add(sx + " 0 0 " + sy + " " + fx + " " + fy + " cm\n");
-
- final boolean textAsShapes = false;
- PDFGraphics2D graphics = new PDFGraphics2D(textAsShapes,
- pdfContext.getFontInfo(), generator.getDocument(),
- generator.getResourceContext(), pdfContext.getPage().referencePDF(),
- "", 0.0f);
- graphics.setGraphicContext(new org.apache.xmlgraphics.java2d.GraphicContext());
-
- AffineTransform transform = new AffineTransform();
- transform.translate(fx, fy);
- generator.getState().concatenate(transform);
- graphics.setPaintingState(generator.getState());
- graphics.setOutputStream(generator.getOutputStream());
-
- Rectangle2D area = new Rectangle2D.Double(0.0, 0.0, imw, imh);
- imageG2D.getGraphics2DImagePainter().paint(graphics, area);
-
- generator.add(graphics.getString());
- if (accessibilityEnabled) {
- generator.restoreGraphicsStateAccess();
- } else {
- generator.restoreGraphicsState();
- }
- generator.comment("G2D end");
- }
-
- /** {@inheritDoc} */
- public int getPriority() {
- return 200;
- }
-
- /** {@inheritDoc} */
- public Class getSupportedImageClass() {
- return ImageGraphics2D.class;
- }
-
- /** {@inheritDoc} */
- public ImageFlavor[] getSupportedImageFlavors() {
- return FLAVORS;
- }
-
- /** {@inheritDoc} */
- public boolean isCompatible(RenderingContext targetContext, Image image) {
- boolean supported = (image == null || image instanceof ImageGraphics2D)
- && targetContext instanceof PDFRenderingContext;
- if (supported) {
- String mode = (String)targetContext.getHint(ImageHandlerUtil.CONVERSION_MODE);
- if (ImageHandlerUtil.isConversionModeBitmap(mode)) {
- //Disabling this image handler automatically causes a bitmap to be generated
- return false;
- }
- }
- return supported;
- }
-
- }
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