| /* |
| * 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.image.loader.batik; |
| |
| import java.awt.Dimension; |
| import java.awt.Graphics2D; |
| import java.awt.geom.Rectangle2D; |
| |
| import org.apache.batik.bridge.BridgeContext; |
| import org.apache.batik.gvt.GraphicsNode; |
| |
| import org.apache.xmlgraphics.java2d.Graphics2DImagePainter; |
| |
| /** |
| * A graphics 2D image painter implementation for painting SVG images using Batik. |
| */ |
| public class Graphics2DImagePainterImpl implements Graphics2DImagePainter { |
| |
| private final GraphicsNode root; |
| /** the Batik bridge context */ |
| protected final BridgeContext ctx; |
| /** the intrinsic size of the image */ |
| protected final Dimension imageSize; |
| |
| /** |
| * Main constructor |
| * |
| * @param root the graphics node root |
| * @param ctx the bridge context |
| * @param imageSize the image size |
| */ |
| public Graphics2DImagePainterImpl(GraphicsNode root, BridgeContext ctx, Dimension imageSize) { |
| this.root = root; |
| this.imageSize = imageSize; |
| this.ctx = ctx; |
| } |
| |
| /** {@inheritDoc} */ |
| public Dimension getImageSize() { |
| return imageSize; |
| } |
| |
| private void prepare(Graphics2D g2d, Rectangle2D area) { |
| // If no viewbox is defined in the svg file, a viewbox of 100x100 is |
| // assumed, as defined in SVGUserAgent.getViewportSize() |
| double tx = area.getX(); |
| double ty = area.getY(); |
| if (tx != 0 || ty != 0) { |
| g2d.translate(tx, ty); |
| } |
| |
| float iw = (float) ctx.getDocumentSize().getWidth(); |
| float ih = (float) ctx.getDocumentSize().getHeight(); |
| float w = (float) area.getWidth(); |
| float h = (float) area.getHeight(); |
| float sx = w / iw; |
| float sy = h / ih; |
| if (sx != 1.0 || sy != 1.0) { |
| g2d.scale(sx, sy); |
| } |
| } |
| |
| /** {@inheritDoc} */ |
| public void paint(Graphics2D g2d, Rectangle2D area) { |
| prepare(g2d, area); |
| root.paint(g2d); |
| } |
| |
| } |