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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.pcl;
import java.awt.Dimension;
import java.awt.geom.AffineTransform;
import java.awt.geom.Rectangle2D;
import java.awt.image.BufferedImage;
import java.io.IOException;
import org.apache.commons.io.output.ByteArrayOutputStream;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.xmlgraphics.java2d.GraphicContext;
import org.apache.xmlgraphics.java2d.Graphics2DImagePainter;
import org.apache.fop.render.AbstractGraphics2DAdapter;
import org.apache.fop.render.RendererContext;
import org.apache.fop.util.UnitConv;
/**
* Graphics2DAdapter implementation for PCL and HP GL/2.
*/
public class PCLGraphics2DAdapter extends AbstractGraphics2DAdapter {
/** logging instance */
private static Log log = LogFactory.getLog(PCLGraphics2DAdapter.class);
/**
* Main constructor
*/
public PCLGraphics2DAdapter() {
}
/** {@inheritDoc} */
public void paintImage(Graphics2DImagePainter painter,
RendererContext context,
int x, int y, int width, int height) throws IOException {
PCLRendererContext pclContext = PCLRendererContext.wrapRendererContext(context);
PCLRenderer pcl = (PCLRenderer)context.getRenderer();
PCLGenerator gen = pcl.gen;
// get the 'width' and 'height' attributes of the image/document
Dimension dim = painter.getImageSize();
float imw = (float)dim.getWidth();
float imh = (float)dim.getHeight();
boolean painted = false;
boolean paintAsBitmap = pclContext.paintAsBitmap();
if (!paintAsBitmap) {
ByteArrayOutputStream baout = new ByteArrayOutputStream();
PCLGenerator tempGen = new PCLGenerator(baout, gen.getMaximumBitmapResolution());
try {
GraphicContext ctx = (GraphicContext)pcl.getGraphicContext().clone();
AffineTransform prepareHPGL2 = new AffineTransform();
prepareHPGL2.scale(0.001, 0.001);
ctx.setTransform(prepareHPGL2);
PCLGraphics2D graphics = new PCLGraphics2D(tempGen);
graphics.setGraphicContext(ctx);
graphics.setClippingDisabled(pclContext.isClippingDisabled());
Rectangle2D area = new Rectangle2D.Double(0.0, 0.0, imw, imh);
painter.paint(graphics, area);
//If we arrive here, the graphic is natively paintable, so write the graphic
pcl.saveGraphicsState();
pcl.setCursorPos(x, y);
gen.writeCommand("*c" + gen.formatDouble4(width / 100f) + "x"
+ gen.formatDouble4(height / 100f) + "Y");
gen.writeCommand("*c0T");
gen.enterHPGL2Mode(false);
gen.writeText("\nIN;");
gen.writeText("SP1;");
//One Plotter unit is 0.025mm!
double scale = imw / UnitConv.mm2pt(imw * 0.025);
gen.writeText("SC0," + gen.formatDouble4(scale)
+ ",0,-" + gen.formatDouble4(scale) + ",2;");
gen.writeText("IR0,100,0,100;");
gen.writeText("PU;PA0,0;\n");
baout.writeTo(gen.getOutputStream()); //Buffer is written to output stream
gen.writeText("\n");
gen.enterPCLMode(false);
pcl.restoreGraphicsState();
painted = true;
} catch (UnsupportedOperationException uoe) {
log.debug(
"Cannot paint graphic natively. Falling back to bitmap painting. Reason: "
+ uoe.getMessage());
}
}
if (!painted) {
//Fallback solution: Paint to a BufferedImage
int resolution = (int)Math.round(context.getUserAgent().getTargetResolution());
BufferedImage bi = paintToBufferedImage(painter, pclContext,
resolution, !pclContext.isColorCanvas(), false);
pcl.setCursorPos(x, y);
gen.paintBitmap(bi, new Dimension(width, height), pclContext.isSourceTransparency());
}
}
}
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