/*
* 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: PSGraphics2DAdapter.java 1296526 2012-03-03 00:18:45Z gadams $ */
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.Graphics2DImagePainter;
import org.apache.xmlgraphics.java2d.ps.PSGraphics2D;
import org.apache.xmlgraphics.ps.PSGenerator;
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;
/**
* Creates a new instance.
* @param gen the PostScript generator
* @param clip true if the image should be clipped
*/
public PSGraphics2DAdapter(PSGenerator gen, boolean clip) {
this.gen = gen;
this.clip = clip;
}
/** {@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 / (float)imw);
float sy = paintAsBitmap ? 1.0f : (fheight / (float)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 = 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);
if (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 = PDFFactory.DEFAULT_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);
}
gen.restoreGraphicsState();
gen.commentln("%FOPEndGraphics2D");
}
}