| /* |
| * 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.Dimension; |
| import java.awt.geom.AffineTransform; |
| import java.awt.geom.Rectangle2D; |
| import java.awt.image.BufferedImage; |
| import java.io.IOException; |
| import java.util.Map; |
| |
| import org.apache.xmlgraphics.java2d.GeneralGraphics2DImagePainter; |
| import org.apache.xmlgraphics.java2d.Graphics2DImagePainter; |
| import org.apache.xmlgraphics.java2d.ps.PSGraphics2D; |
| import org.apache.xmlgraphics.ps.PSGenerator; |
| |
| import org.apache.fop.fonts.FontInfo; |
| import org.apache.fop.pdf.PDFFactory; |
| import org.apache.fop.render.AbstractGraphics2DAdapter; |
| import org.apache.fop.render.ImageHandlerUtil; |
| import org.apache.fop.render.RendererContext; |
| import org.apache.fop.render.RendererContext.RendererContextWrapper; |
| import org.apache.fop.render.RendererContextConstants; |
| |
| /** |
| * Graphics2DAdapter implementation for PostScript. |
| */ |
| public class PSGraphics2DAdapter extends AbstractGraphics2DAdapter { |
| |
| private PSGenerator gen; |
| private boolean clip = true; |
| private FontInfo fontInfo; |
| |
| /** |
| * Creates a new instance. |
| * @param gen the PostScript generator |
| * @param clip true if the image should be clipped |
| */ |
| public PSGraphics2DAdapter(PSGenerator gen, boolean clip, FontInfo fontInfo) { |
| this.gen = gen; |
| this.clip = clip; |
| this.fontInfo = fontInfo; |
| } |
| |
| /** {@inheritDoc} */ |
| public void paintImage(Graphics2DImagePainter painter, |
| RendererContext context, |
| int x, int y, int width, int height) throws IOException { |
| float fwidth = width / 1000f; |
| float fheight = height / 1000f; |
| float fx = x / 1000f; |
| float fy = y / 1000f; |
| |
| // get the 'width' and 'height' attributes of the SVG document |
| Dimension dim = painter.getImageSize(); |
| float imw = (float)dim.getWidth() / 1000f; |
| float imh = (float)dim.getHeight() / 1000f; |
| |
| boolean paintAsBitmap = false; |
| if (context != null) { |
| Map foreign = (Map)context.getProperty(RendererContextConstants.FOREIGN_ATTRIBUTES); |
| paintAsBitmap = (foreign != null |
| && ImageHandlerUtil.isConversionModeBitmap(foreign)); |
| } |
| |
| float sx = paintAsBitmap ? 1.0f : (fwidth / imw); |
| float sy = paintAsBitmap ? 1.0f : (fheight / imh); |
| |
| gen.commentln("%FOPBeginGraphics2D"); |
| gen.saveGraphicsState(); |
| if (clip) { |
| // Clip to the image area. |
| gen.writeln("newpath"); |
| gen.defineRect(fx, fy, fwidth, fheight); |
| gen.writeln("clip"); |
| } |
| |
| // 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. |
| gen.concatMatrix(sx, 0, 0, sy, fx, fy); |
| |
| final boolean textAsShapes = false; |
| PSGraphics2D graphics = (painter instanceof GeneralGraphics2DImagePainter) |
| ? (PSGraphics2D) ((GeneralGraphics2DImagePainter) painter).getGraphics(textAsShapes, gen) |
| : new PSGraphics2D(textAsShapes, gen); |
| graphics.setGraphicContext(new org.apache.xmlgraphics.java2d.GraphicContext()); |
| AffineTransform transform = new AffineTransform(); |
| // scale to viewbox |
| transform.translate(fx, fy); |
| gen.getCurrentState().concatMatrix(transform); |
| try { |
| if (paintAsBitmap) { |
| //Fallback solution: Paint to a BufferedImage |
| int resolution = Math.round(context.getUserAgent().getTargetResolution()); |
| RendererContextWrapper ctx = RendererContext.wrapRendererContext(context); |
| BufferedImage bi = paintToBufferedImage(painter, ctx, resolution, false, false); |
| |
| float scale = PDFFactory.DEFAULT_PDF_RESOLUTION |
| / context.getUserAgent().getTargetResolution(); |
| graphics.drawImage(bi, new AffineTransform(scale, 0, 0, scale, 0, 0), null); |
| } else { |
| if (painter instanceof GeneralGraphics2DImagePainter) { |
| PSFontUtils.addFallbackFonts(fontInfo, (GeneralGraphics2DImagePainter) painter); |
| } |
| Rectangle2D area = new Rectangle2D.Double(0.0, 0.0, imw, imh); |
| painter.paint(graphics, area); |
| } |
| } finally { |
| gen.restoreGraphicsState(); |
| gen.commentln("%FOPEndGraphics2D"); |
| } |
| } |
| |
| } |