| /* |
| * 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.xmlgraphics.ps; |
| |
| import java.awt.Color; |
| import java.awt.Dimension; |
| import java.awt.Graphics2D; |
| import java.awt.color.ColorSpace; |
| |
| import java.awt.geom.Dimension2D; |
| import java.awt.image.BufferedImage; |
| |
| import java.io.ByteArrayOutputStream; |
| import java.io.IOException; |
| |
| import org.junit.Assert; |
| import org.junit.Test; |
| |
| import org.apache.xmlgraphics.java2d.Dimension2DDouble; |
| import org.apache.xmlgraphics.java2d.color.NamedColorSpace; |
| |
| |
| public class FormGeneratorTestCase { |
| @Test |
| public void testGeneratePaintProc() throws IOException { |
| Dimension2D dimension = new Dimension2DDouble(300, 500); |
| BufferedImage im = new BufferedImage(100, 75, BufferedImage.TYPE_INT_ARGB); |
| ByteArrayOutputStream out = new ByteArrayOutputStream(); |
| ImageFormGenerator formImageGen = new ImageFormGenerator("form", "title", dimension, im, false); |
| PSGenerator gen = new PSGenerator(out); |
| formImageGen.generatePaintProc(gen); |
| String test = out.toString("UTF-8"); |
| |
| String expected = " form:Data 0 setfileposition\n" |
| + "[300 0 0 500 0 0] CT\n" |
| + "/DeviceRGB setcolorspace\n" |
| + "<<\n"; |
| Assert.assertTrue(test.contains(expected)); |
| Assert.assertTrue(test.contains(" /DataSource form:Data")); |
| Assert.assertTrue(test.contains(" /ImageMatrix [100 0 0 75 0 0]\n")); |
| Assert.assertTrue(test.contains(" /BitsPerComponent 8\n")); |
| Assert.assertTrue(test.contains(" /Height 75\n")); |
| Assert.assertTrue(test.contains(" /ImageType 1\n")); |
| Assert.assertTrue(test.contains(" /Decode [0 1 0 1 0 1]\n")); |
| Assert.assertTrue(test.contains(">> image\n")); |
| out.reset(); |
| im = null; |
| |
| Color c = Color.BLUE; |
| Dimension dimensionPX = new Dimension(200, 400); |
| ImageEncoder enco = ImageEncodingHelper.createRenderedImageEncoder(im); |
| ColorSpace cs = new NamedColorSpace("myColor", c); |
| formImageGen = new ImageFormGenerator("form", "title", dimension, dimensionPX, enco, cs, false); |
| gen = new PSGenerator(out); |
| gen.setPSLevel(2); |
| formImageGen.generatePaintProc(gen); |
| test = out.toString("UTF-8"); |
| expected = " userdict /i 0 put\n" |
| + "[300 0 0 500 0 0] CT\n" |
| + "/DeviceGray setcolorspace\n" |
| + "<<\n"; |
| Assert.assertTrue(test.contains(expected)); |
| Assert.assertTrue(test.contains(" /DataSource { form:Data i get /i i 1 add store } bind\n")); |
| Assert.assertTrue(test.contains(" /ImageMatrix [200 0 0 400 0 0]\n")); |
| Assert.assertTrue(test.contains(" /Height 400\n")); |
| Assert.assertTrue(test.contains(" /BitsPerComponent 8\n")); |
| Assert.assertTrue(test.contains(" /ImageType 1\n")); |
| Assert.assertTrue(test.contains(" /Decode [0 1]\n")); |
| Assert.assertTrue(test.contains(" /Width 200\n")); |
| Assert.assertTrue(test.contains(">> image\n")); |
| } |
| |
| @Test |
| public void testFlateDecodeCommand() throws IOException { |
| Dimension2D dimension = new Dimension2DDouble(300, 500); |
| BufferedImage im = new BufferedImage(100, 75, BufferedImage.TYPE_INT_ARGB); |
| ByteArrayOutputStream out = new ByteArrayOutputStream(); |
| ImageFormGenerator formImageGen = new ImageFormGenerator("form", "title", dimension, im, false); |
| PSGenerator gen = new PSGenerator(out); |
| formImageGen.generate(gen); |
| String test = out.toString("UTF-8"); |
| Assert.assertTrue(test.contains("/ASCII85Decode filter\n")); |
| //FlateDecode at DataSource so executed on page load rather than document load so viewer loads faster |
| Assert.assertTrue(test.contains("/DataSource form:Data /FlateDecode filter\n")); |
| } |
| |
| @Test |
| public void testAlphaImage() throws IOException { |
| Assert.assertEquals(buildPSImage(BufferedImage.TYPE_4BYTE_ABGR), buildPSImage(BufferedImage.TYPE_INT_RGB)); |
| } |
| |
| private String buildPSImage(int type) throws IOException { |
| Dimension2D dimension = new Dimension2DDouble(1, 1); |
| BufferedImage im = new BufferedImage(1, 1, type); |
| Graphics2D g = (Graphics2D) im.getGraphics(); |
| if (type == BufferedImage.TYPE_4BYTE_ABGR) { |
| g.setBackground(new Color(0, 0, 0, 0)); |
| } else { |
| g.setBackground(Color.white); |
| } |
| g.clearRect(0, 0, im.getWidth(), im.getHeight()); |
| g.drawImage(im, 0, 0, null); |
| g.dispose(); |
| ByteArrayOutputStream out = new ByteArrayOutputStream(); |
| ImageFormGenerator formImageGen = new ImageFormGenerator("form", "title", dimension, im, false); |
| PSGenerator gen = new PSGenerator(out); |
| formImageGen.generate(gen); |
| return out.toString("utf-8"); |
| } |
| } |