- /*
- * 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.Graphics2D;
- import java.awt.RenderingHints;
- import java.awt.geom.AffineTransform;
- import java.awt.geom.Rectangle2D;
- import java.awt.image.BufferedImage;
- import java.io.IOException;
-
- import org.apache.xmlgraphics.java2d.Graphics2DImagePainter;
-
- import org.apache.fop.render.AbstractGraphics2DAdapter;
- import org.apache.fop.render.RendererContext;
- import org.apache.fop.render.RendererContext.RendererContextWrapper;
- import org.apache.fop.svg.PDFGraphics2D;
-
- /**
- * Graphics2DAdapter implementation for PDF.
- */
- public class PDFGraphics2DAdapter extends AbstractGraphics2DAdapter {
-
- private PDFRenderer renderer;
-
- /**
- * Main constructor
- * @param renderer the Renderer instance to which this instance belongs
- */
- public PDFGraphics2DAdapter(PDFRenderer renderer) {
- this.renderer = renderer;
- }
-
- /** {@inheritDoc} */
- public void paintImage(Graphics2DImagePainter painter,
- RendererContext context,
- int x, int y, int width, int height) throws IOException {
-
- PDFSVGHandler.PDFInfo pdfInfo = PDFSVGHandler.getPDFInfo(context);
- 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;
-
- float sx = fwidth / (float)imw;
- float sy = fheight / (float)imh;
-
- renderer.saveGraphicsState();
- renderer.setColor(Color.black, false, null);
- renderer.setColor(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.
- renderer.currentStream.add(sx + " 0 0 " + sy + " " + fx + " "
- + fy + " cm\n");
-
-
- final boolean textAsShapes = false;
- if (pdfInfo.pdfContext == null) {
- pdfInfo.pdfContext = pdfInfo.pdfPage;
- }
- PDFGraphics2D graphics = new PDFGraphics2D(textAsShapes,
- pdfInfo.fi, pdfInfo.pdfDoc,
- pdfInfo.pdfContext, pdfInfo.pdfPage.referencePDF(),
- pdfInfo.currentFontName,
- pdfInfo.currentFontSize);
- graphics.setGraphicContext(new org.apache.xmlgraphics.java2d.GraphicContext());
-
- AffineTransform transform = new AffineTransform();
- transform.translate(fx, fy);
- pdfInfo.pdfState.concatenate(transform);
- graphics.setPDFState(pdfInfo.pdfState);
- graphics.setOutputStream(pdfInfo.outputStream);
-
- if (pdfInfo.paintAsBitmap) {
- //Fallback solution: Paint to a BufferedImage
- int resolution = (int)Math.round(context.getUserAgent().getTargetResolution());
- RendererContextWrapper ctx = RendererContext.wrapRendererContext(context);
- BufferedImage bi = paintToBufferedImage(painter, ctx, resolution, false, false);
-
- float scale = PDFRenderer.NORMAL_PDF_RESOLUTION
- / context.getUserAgent().getTargetResolution();
- graphics.drawImage(bi, new AffineTransform(scale, 0, 0, scale, 0, 0), null);
- } else {
- Rectangle2D area = new Rectangle2D.Double(0.0, 0.0, imw, imh);
- painter.paint(graphics, area);
- }
-
- pdfInfo.currentStream.add(graphics.getString());
- renderer.restoreGraphicsState();
- }
-
- /** {@inheritDoc} */
- protected void setRenderingHintsForBufferedImage(Graphics2D g2d) {
- super.setRenderingHintsForBufferedImage(g2d);
- g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING,
- RenderingHints.VALUE_ANTIALIAS_ON);
- g2d.setRenderingHint(RenderingHints.KEY_TEXT_ANTIALIASING,
- RenderingHints.VALUE_TEXT_ANTIALIAS_ON);
- }
-
- }
|