org.apache.xmlgraphics.image.loader.impl.ImageConverterBitmap2G2D 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: ImageConverterBitmap2G2D.java 1681108 2015-05-22 13:26:12Z ssteiner $ */
package org.apache.xmlgraphics.image.loader.impl;
import java.awt.Dimension;
import java.awt.Graphics2D;
import java.awt.geom.AffineTransform;
import java.awt.geom.Rectangle2D;
import java.awt.image.RenderedImage;
import java.util.Map;
import org.apache.xmlgraphics.image.loader.Image;
import org.apache.xmlgraphics.image.loader.ImageFlavor;
import org.apache.xmlgraphics.java2d.Graphics2DImagePainter;
/**
* This ImageConverter wraps a bitmap image in a Graphics2D image.
*/
public class ImageConverterBitmap2G2D extends AbstractImageConverter {
/** {@inheritDoc} */
public Image convert(Image src, Map hints) {
checkSourceFlavor(src);
assert src instanceof ImageRendered;
final ImageRendered rendImage = (ImageRendered)src;
Graphics2DImagePainterImpl painter = new Graphics2DImagePainterImpl(rendImage);
ImageGraphics2D g2dImage = new ImageGraphics2D(src.getInfo(), painter);
return g2dImage;
}
static class Graphics2DImagePainterImpl implements Graphics2DImagePainter {
ImageRendered rendImage;
public Graphics2DImagePainterImpl(ImageRendered rendImage) {
this.rendImage = rendImage;
}
public Dimension getImageSize() {
return rendImage.getSize().getDimensionMpt();
}
public void paint(Graphics2D g2d, Rectangle2D area) {
RenderedImage ri = rendImage.getRenderedImage();
double w = area.getWidth();
double h = area.getHeight();
AffineTransform at = new AffineTransform();
at.translate(area.getX(), area.getY());
//Scale image to fit
double sx = w / ri.getWidth();
double sy = h / ri.getHeight();
if (sx != 1.0 || sy != 1.0) {
at.scale(sx, sy);
}
g2d.drawRenderedImage(ri, at);
}
}
/** {@inheritDoc} */
public ImageFlavor getSourceFlavor() {
return ImageFlavor.RENDERED_IMAGE;
}
/** {@inheritDoc} */
public ImageFlavor getTargetFlavor() {
return ImageFlavor.GRAPHICS2D;
}
}