| /* |
| * 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 java2d.ps; |
| |
| import java.awt.Color; |
| import java.awt.Font; |
| import java.awt.Graphics2D; |
| import java.awt.Polygon; |
| import java.awt.Rectangle; |
| import java.awt.TexturePaint; |
| import java.awt.font.GlyphVector; |
| import java.awt.geom.AffineTransform; |
| import java.awt.geom.Rectangle2D; |
| import java.awt.image.BufferedImage; |
| import java.io.File; |
| import java.io.IOException; |
| import java.io.OutputStream; |
| |
| import org.apache.commons.io.IOUtils; |
| |
| import org.apache.xmlgraphics.image.writer.ImageWriterUtil; |
| import org.apache.xmlgraphics.java2d.ps.PSDocumentGraphics2D; |
| |
| /** |
| * This example demonstrates the usage of PostScript tiling patterns. The class also generated |
| * a PNG file so the output can be compared. |
| */ |
| public class TilingPatternExample { |
| |
| private BufferedImage tile; |
| private TexturePaint paint; |
| |
| /** |
| * Default constructor. |
| */ |
| public TilingPatternExample() { |
| //Created TexturePaint instance |
| this.tile = new BufferedImage(40, 20, BufferedImage.TYPE_INT_RGB); |
| Graphics2D tileg2d = tile.createGraphics(); |
| tileg2d.setBackground(Color.WHITE); |
| tileg2d.clearRect(0, 0, tile.getWidth(), tile.getHeight()); |
| tileg2d.setColor(Color.BLUE); |
| tileg2d.fillOval(2, 2, tile.getWidth() - 2, tile.getHeight() - 2); |
| tileg2d.dispose(); |
| Rectangle2D rect = new Rectangle2D.Double( |
| 2, 2, |
| tile.getWidth() / 2.0, tile.getHeight() / 2.0); |
| this.paint = new TexturePaint(tile, rect); |
| } |
| |
| /** |
| * Creates a PostScript file. The contents are painted using a Graphics2D implementation. |
| * @param outputFile the target file |
| * @throws IOException In case of an I/O error |
| */ |
| public void generatePSusingJava2D(File outputFile) throws IOException { |
| OutputStream out = new java.io.FileOutputStream(outputFile); |
| out = new java.io.BufferedOutputStream(out); |
| try { |
| //Instantiate the PSDocumentGraphics2D instance |
| PSDocumentGraphics2D g2d = new PSDocumentGraphics2D(false); |
| g2d.setGraphicContext(new org.apache.xmlgraphics.java2d.GraphicContext()); |
| |
| //Set up the document size |
| g2d.setupDocument(out, 400, 200); //400pt x 200pt |
| |
| paintTileAlone(g2d); |
| paintShapes(g2d); |
| paintText(g2d); |
| |
| g2d.nextPage(); |
| |
| paintText(g2d); |
| |
| //Cleanup |
| g2d.finish(); |
| } finally { |
| IOUtils.closeQuietly(out); |
| } |
| } |
| |
| private void generatePNGusingJava2D(File outputFile) throws IOException { |
| BufferedImage image = new BufferedImage(400, 200, BufferedImage.TYPE_INT_ARGB); |
| Graphics2D g2d = image.createGraphics(); |
| paintTileAlone(g2d); |
| paintShapes(g2d); |
| paintText(g2d); |
| g2d.dispose(); |
| |
| ImageWriterUtil.saveAsPNG(image, outputFile); |
| } |
| |
| private void paintTileAlone(Graphics2D g2d) { |
| AffineTransform at = new AffineTransform(); |
| at.translate(5, 5); |
| g2d.drawRenderedImage(this.tile, at); |
| } |
| |
| private void paintShapes(Graphics2D g2d) { |
| g2d.setPaint(paint); |
| Rectangle rect = new Rectangle(10, 50, 30, 30); |
| g2d.fill(rect); |
| rect = new Rectangle(10, 90, 40, 20); |
| g2d.fill(rect); |
| Polygon poly = new Polygon(new int[] {50, 100, 150}, new int[] {100, 20, 100}, 3); |
| g2d.fill(poly); |
| } |
| |
| private void paintText(Graphics2D g2d) { |
| g2d.setPaint(paint); |
| Font font = new Font("serif", Font.BOLD, 80); |
| GlyphVector gv = font.createGlyphVector(g2d.getFontRenderContext(), "Java"); |
| g2d.translate(100, 180); |
| g2d.fill(gv.getOutline()); |
| } |
| |
| /** |
| * Command-line interface |
| * @param args command-line arguments |
| */ |
| public static void main(String[] args) { |
| try { |
| File targetDir; |
| if (args.length >= 1) { |
| targetDir = new File(args[0]); |
| } else { |
| targetDir = new File("."); |
| } |
| if (!targetDir.exists()) { |
| System.err.println("Target Directory does not exist: " + targetDir); |
| } |
| File outputFile = new File(targetDir, "tiling-example.ps"); |
| File pngFile = new File(targetDir, "tiling-example.png"); |
| TilingPatternExample app = new TilingPatternExample(); |
| app.generatePSusingJava2D(outputFile); |
| System.out.println("File written: " + outputFile.getCanonicalPath()); |
| app.generatePNGusingJava2D(pngFile); |
| System.out.println("File written: " + pngFile.getCanonicalPath()); |
| } catch (Exception e) { |
| e.printStackTrace(); |
| } |
| } |
| |
| } |