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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.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();
pdfInfo.pdfState.pop();
}
/** {@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);
}
}
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