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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.afp;
import java.awt.Rectangle;
import java.awt.geom.AffineTransform;
import java.io.IOException;
import org.apache.xmlgraphics.image.loader.Image;
import org.apache.xmlgraphics.image.loader.ImageFlavor;
import org.apache.xmlgraphics.image.loader.impl.ImageGraphics2D;
import org.apache.fop.afp.AFPDataObjectInfo;
import org.apache.fop.afp.AFPGraphics2D;
import org.apache.fop.afp.AFPGraphicsObjectInfo;
import org.apache.fop.afp.AFPPaintingState;
import org.apache.fop.afp.AFPResourceInfo;
import org.apache.fop.afp.AFPResourceManager;
import org.apache.fop.afp.modca.ResourceObject;
import org.apache.fop.render.ImageHandler;
import org.apache.fop.render.ImageHandlerUtil;
import org.apache.fop.render.RenderingContext;
/**
* PDFImageHandler implementation which handles Graphics2D images.
*/
public class AFPImageHandlerGraphics2D extends AFPImageHandler implements ImageHandler {
private static final ImageFlavor[] FLAVORS = new ImageFlavor[] {
ImageFlavor.GRAPHICS2D
};
private void setDefaultResourceLevel(AFPGraphicsObjectInfo graphicsObjectInfo,
AFPResourceManager resourceManager) {
AFPResourceInfo resourceInfo = graphicsObjectInfo.getResourceInfo();
if (!resourceInfo.levelChanged()) {
resourceInfo.setLevel(resourceManager.getResourceLevelDefaults()
.getDefaultResourceLevel(ResourceObject.TYPE_GRAPHIC));
}
}
/** {@inheritDoc} */
public int getPriority() {
return 200;
}
/** {@inheritDoc} */
public Class getSupportedImageClass() {
return ImageGraphics2D.class;
}
/** {@inheritDoc} */
public ImageFlavor[] getSupportedImageFlavors() {
return FLAVORS;
}
/** {@inheritDoc} */
@Override
protected AFPDataObjectInfo createDataObjectInfo() {
return new AFPGraphicsObjectInfo();
}
/** {@inheritDoc} */
public void handleImage(RenderingContext context, Image image, Rectangle pos)
throws IOException {
AFPRenderingContext afpContext = (AFPRenderingContext)context;
AFPGraphicsObjectInfo graphicsObjectInfo = (AFPGraphicsObjectInfo)createDataObjectInfo();
// set resource information
setResourceInformation(graphicsObjectInfo,
image.getInfo().getOriginalURI(),
afpContext.getForeignAttributes());
// Positioning
graphicsObjectInfo.setObjectAreaInfo(
createObjectAreaInfo(afpContext.getPaintingState(), pos));
setDefaultResourceLevel(graphicsObjectInfo, afpContext.getResourceManager());
AFPPaintingState paintingState = afpContext.getPaintingState();
paintingState.save(); // save
AffineTransform placement = new AffineTransform();
placement.translate(pos.x, pos.y);
paintingState.concatenate(placement);
// Image content
ImageGraphics2D imageG2D = (ImageGraphics2D)image;
final boolean textAsShapes = paintingState.isStrokeGOCAText();
AFPGraphics2D g2d = new AFPGraphics2D(
textAsShapes,
afpContext.getPaintingState(),
afpContext.getResourceManager(),
graphicsObjectInfo.getResourceInfo(),
(textAsShapes ? null : afpContext.getFontInfo()));
g2d.setGraphicContext(new org.apache.xmlgraphics.java2d.GraphicContext());
graphicsObjectInfo.setGraphics2D(g2d);
graphicsObjectInfo.setPainter(imageG2D.getGraphics2DImagePainter());
// Create image
afpContext.getResourceManager().createObject(graphicsObjectInfo);
paintingState.restore(); // resume
}
/** {@inheritDoc} */
public boolean isCompatible(RenderingContext targetContext, Image image) {
boolean supported = (image == null || image instanceof ImageGraphics2D)
&& targetContext instanceof AFPRenderingContext;
if (supported) {
AFPRenderingContext afpContext = (AFPRenderingContext)targetContext;
if (!afpContext.getPaintingState().isGOCAEnabled()) {
return false;
}
String mode = (String)targetContext.getHint(ImageHandlerUtil.CONVERSION_MODE);
if (ImageHandlerUtil.isConversionModeBitmap(mode)) {
//Disabling this image handler automatically causes a bitmap to be generated
return false;
}
}
return supported;
}
}
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