package org.apache.fop.render.pcl;
import java.awt.Dimension;
import java.awt.Rectangle;
import java.awt.geom.AffineTransform;
import java.awt.geom.Point2D;
import java.awt.geom.Rectangle2D;
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.image.loader.Image;
import org.apache.xmlgraphics.image.loader.ImageException;
import org.apache.xmlgraphics.image.loader.ImageFlavor;
import org.apache.xmlgraphics.image.loader.ImageManager;
import org.apache.xmlgraphics.image.loader.impl.ImageGraphics2D;
import org.apache.xmlgraphics.image.loader.impl.ImageRendered;
import org.apache.xmlgraphics.java2d.GraphicContext;
import org.apache.xmlgraphics.util.UnitConv;
import org.apache.fop.apps.FOUserAgent;
import org.apache.fop.render.ImageHandler;
import org.apache.fop.render.ImageHandlerUtil;
import org.apache.fop.render.RenderingContext;
public class PCLImageHandlerGraphics2D implements ImageHandler {
private static Log log = LogFactory.getLog(PCLImageHandlerGraphics2D.class);
public int getPriority() {
return 400;
}
public Class getSupportedImageClass() {
return ImageGraphics2D.class;
}
public ImageFlavor[] getSupportedImageFlavors() {
return new ImageFlavor[] {
ImageFlavor.GRAPHICS2D
};
}
public void handleImage(RenderingContext context, Image image, Rectangle pos)
throws IOException {
PCLRenderingContext pclContext = (PCLRenderingContext)context;
ImageGraphics2D imageG2D = (ImageGraphics2D)image;
Dimension imageDim = imageG2D.getSize().getDimensionMpt();
PCLGenerator gen = pclContext.getPCLGenerator();
Point2D transPoint = pclContext.transformedPoint(pos.x, pos.y);
gen.setCursorPos(transPoint.getX(), transPoint.getY());
boolean painted = false;
ByteArrayOutputStream baout = new ByteArrayOutputStream();
PCLGenerator tempGen = new PCLGenerator(baout, gen.getMaximumBitmapResolution());
tempGen.setDitheringQuality(gen.getDitheringQuality());
try {
GraphicContext ctx = (GraphicContext)pclContext.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(false );
Rectangle2D area = new Rectangle2D.Double(
0.0, 0.0, imageDim.getWidth(), imageDim.getHeight());
imageG2D.getGraphics2DImagePainter().paint(graphics, area);
gen.writeCommand("*c" + gen.formatDouble4(pos.width / 100f) + "x"
+ gen.formatDouble4(pos.height / 100f) + "Y");
gen.writeCommand("*c0T");
gen.enterHPGL2Mode(false);
gen.writeText("\nIN;");
gen.writeText("SP1;");
double scale = imageDim.getWidth() / UnitConv.mm2pt(imageDim.getWidth() * 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());
gen.writeText("\n");
gen.enterPCLMode(false);
painted = true;
} catch (UnsupportedOperationException uoe) {
log.debug(
"Cannot paint graphic natively. Falling back to bitmap painting. Reason: "
+ uoe.getMessage());
}
if (!painted) {
FOUserAgent ua = context.getUserAgent();
ImageManager imageManager = ua.getImageManager();
ImageRendered imgRend;
try {
imgRend = (ImageRendered)imageManager.convertImage(
imageG2D, new ImageFlavor[] {ImageFlavor.RENDERED_IMAGE});
} catch (ImageException e) {
throw new IOException(
"Image conversion error while converting the image to a bitmap"
+ " as a fallback measure: " + e.getMessage());
}
gen.paintBitmap(imgRend.getRenderedImage(), new Dimension(pos.width, pos.height),
pclContext.isSourceTransparencyEnabled(), pclContext.getPCLUtil());
}
}
public boolean isCompatible(RenderingContext targetContext, Image image) {
boolean supported = (image == null || image instanceof ImageGraphics2D)
&& targetContext instanceof PCLRenderingContext;
if (supported) {
String mode = (String)targetContext.getHint(ImageHandlerUtil.CONVERSION_MODE);
if (ImageHandlerUtil.isConversionModeBitmap(mode)) {
return false;
}
}
return supported;
}
}