org.apache.fop.image.loader.batik.ImageConverterWMF2G2D Maven / Gradle / Ivy
/*
* 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: ImageConverterWMF2G2D.java 1296526 2012-03-03 00:18:45Z gadams $ */
package org.apache.fop.image.loader.batik;
import java.awt.Dimension;
import java.awt.Graphics2D;
import java.awt.geom.Rectangle2D;
import java.util.Map;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.batik.transcoder.wmf.tosvg.WMFPainter;
import org.apache.batik.transcoder.wmf.tosvg.WMFRecordStore;
import org.apache.xmlgraphics.image.loader.Image;
import org.apache.xmlgraphics.image.loader.ImageFlavor;
import org.apache.xmlgraphics.image.loader.impl.AbstractImageConverter;
import org.apache.xmlgraphics.image.loader.impl.ImageGraphics2D;
import org.apache.xmlgraphics.java2d.Graphics2DImagePainter;
/**
* This ImageConverter converts WMF (Windows Metafile) images (represented by Batik's
* WMFRecordStore) to Java2D.
*/
public class ImageConverterWMF2G2D extends AbstractImageConverter {
/** logger */
private static Log log = LogFactory.getLog(ImageConverterWMF2G2D.class);
/** {@inheritDoc} */
public Image convert(Image src, Map hints) {
checkSourceFlavor(src);
ImageWMF wmf = (ImageWMF)src;
Graphics2DImagePainter painter;
painter = new Graphics2DImagePainterWMF(wmf);
ImageGraphics2D g2dImage = new ImageGraphics2D(src.getInfo(), painter);
return g2dImage;
}
/** {@inheritDoc} */
public ImageFlavor getSourceFlavor() {
return ImageWMF.WMF_IMAGE;
}
/** {@inheritDoc} */
public ImageFlavor getTargetFlavor() {
return ImageFlavor.GRAPHICS2D;
}
private static class Graphics2DImagePainterWMF implements Graphics2DImagePainter {
private ImageWMF wmf;
public Graphics2DImagePainterWMF(ImageWMF wmf) {
this.wmf = wmf;
}
/** {@inheritDoc} */
public Dimension getImageSize() {
return wmf.getSize().getDimensionMpt();
}
/** {@inheritDoc} */
public void paint(Graphics2D g2d, Rectangle2D area) {
WMFRecordStore wmfStore = wmf.getRecordStore();
double w = area.getWidth();
double h = area.getHeight();
//Fit in paint area
g2d.translate(area.getX(), area.getY());
double sx = w / wmfStore.getWidthPixels();
double sy = h / wmfStore.getHeightPixels();
if (sx != 1.0 || sy != 1.0) {
g2d.scale(sx, sy);
}
WMFPainter painter = new WMFPainter(wmfStore, 1.0f);
long start = System.currentTimeMillis();
painter.paint(g2d);
if (log.isDebugEnabled()) {
long duration = System.currentTimeMillis() - start;
log.debug("Painting WMF took " + duration + " ms.");
}
}
}
}