| /* ==================================================================== |
| 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. |
| ==================================================================== */ |
| |
| package org.apache.poi.xdgf.util; |
| |
| import java.awt.Color; |
| import java.awt.Graphics2D; |
| import java.awt.RenderingHints; |
| import java.awt.image.BufferedImage; |
| import java.io.File; |
| import java.io.FileInputStream; |
| import java.io.FileOutputStream; |
| import java.io.IOException; |
| |
| import javax.imageio.ImageIO; |
| |
| import org.apache.poi.xdgf.geom.Dimension2dDouble; |
| import org.apache.poi.xdgf.usermodel.XDGFPage; |
| import org.apache.poi.xdgf.usermodel.XmlVisioDocument; |
| import org.apache.poi.xdgf.usermodel.shape.ShapeDebuggerRenderer; |
| import org.apache.poi.xdgf.usermodel.shape.ShapeRenderer; |
| |
| /** |
| * Converts a Visio diagram to a PNG file. |
| * |
| * As more elements and styles are added/supported the output will get |
| * better, but it's very rough right now. |
| */ |
| public class VsdxToPng { |
| |
| public static void renderToPng(XDGFPage page, String outFilename, |
| double scale, ShapeRenderer renderer) throws IOException { |
| renderToPng(page, new File(outFilename), scale, renderer); |
| } |
| |
| public static void renderToPngDir(XDGFPage page, File outDir, double scale, |
| ShapeRenderer renderer) throws IOException { |
| |
| File pageFile = new File(outDir, "page" + page.getPageNumber() + "-" |
| + Util.sanitizeFilename(page.getName()) + ".png"); |
| System.out.println("** Writing image to " + pageFile); |
| |
| renderToPng(page, pageFile, scale, renderer); |
| |
| } |
| |
| public static void renderToPng(XDGFPage page, File outFile, double scale, |
| ShapeRenderer renderer) throws IOException { |
| |
| Dimension2dDouble sz = page.getPageSize(); |
| |
| int width = (int) (scale * sz.getWidth()); |
| int height = (int) (scale * sz.getHeight()); |
| |
| BufferedImage img = new BufferedImage(width, height, |
| BufferedImage.TYPE_INT_RGB); |
| final Graphics2D graphics = img.createGraphics(); |
| |
| // default rendering options |
| graphics.setRenderingHint(RenderingHints.KEY_ANTIALIASING, |
| RenderingHints.VALUE_ANTIALIAS_ON); |
| graphics.setRenderingHint(RenderingHints.KEY_RENDERING, |
| RenderingHints.VALUE_RENDER_QUALITY); |
| graphics.setRenderingHint(RenderingHints.KEY_INTERPOLATION, |
| RenderingHints.VALUE_INTERPOLATION_BICUBIC); |
| graphics.setRenderingHint(RenderingHints.KEY_FRACTIONALMETRICS, |
| RenderingHints.VALUE_FRACTIONALMETRICS_ON); |
| |
| graphics.setColor(Color.black); |
| graphics.setBackground(Color.white); |
| graphics.clearRect(0, 0, width, height); |
| |
| // Visio's coordinate system is flipped, so flip the image vertically |
| graphics.translate(0, img.getHeight()); |
| graphics.scale(scale, -scale); |
| |
| // toplevel shapes only |
| renderer.setGraphics(graphics); |
| page.getContent().visitShapes(renderer); |
| |
| graphics.dispose(); |
| |
| FileOutputStream out = new FileOutputStream(outFile); |
| ImageIO.write(img, "png", out); |
| out.close(); |
| } |
| |
| public static void renderToPng(XmlVisioDocument document, |
| String outDirname, double scale, ShapeRenderer renderer) |
| throws IOException { |
| |
| File outDir = new File(outDirname); |
| |
| for (XDGFPage page : document.getPages()) { |
| renderToPngDir(page, outDir, scale, renderer); |
| } |
| } |
| |
| public static void main(String[] args) throws Exception { |
| if (args.length > 2) { |
| System.err.println("Usage: [--debug] in.vsdx outdir"); |
| System.exit(1); |
| } |
| |
| ShapeRenderer renderer = new ShapeRenderer(); |
| |
| String inFilename = args[0]; |
| String pngDir = args[1]; |
| |
| if (args[0].equals("--debug")) { |
| inFilename = args[1]; |
| pngDir = args[2]; |
| renderer = new ShapeDebuggerRenderer(); |
| } |
| |
| XmlVisioDocument doc = new XmlVisioDocument(new FileInputStream( |
| inFilename)); |
| renderToPng(doc, pngDir, 2000 / 11.0, renderer); |
| } |
| } |