| 1 | // Jomic - a viewer for comic book archives. |
| 2 | // Copyright (C) 2004-2011 Thomas Aglassinger |
| 3 | // |
| 4 | // This program is free software: you can redistribute it and/or modify |
| 5 | // it under the terms of the GNU General Public License as published by |
| 6 | // the Free Software Foundation, either version 3 of the License, or |
| 7 | // (at your option) any later version. |
| 8 | // |
| 9 | // This program is distributed in the hope that it will be useful, |
| 10 | // but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 11 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 12 | // GNU General Public License for more details. |
| 13 | // |
| 14 | // You should have received a copy of the GNU General Public License |
| 15 | // along with this program. If not, see <http://www.gnu.org/licenses/>. |
| 16 | package net.sf.jomic.comic; |
| 17 | |
| 18 | import java.awt.Graphics2D; |
| 19 | import java.awt.geom.AffineTransform; |
| 20 | import java.awt.image.BufferedImage; |
| 21 | import java.awt.image.RenderedImage; |
| 22 | import java.io.File; |
| 23 | import java.io.IOException; |
| 24 | import java.text.DecimalFormat; |
| 25 | |
| 26 | import junit.framework.TestCase; |
| 27 | import net.sf.jomic.common.ComicSheetRenderSettings; |
| 28 | import net.sf.jomic.tools.ImageTools; |
| 29 | import net.sf.jomic.tools.TestTools; |
| 30 | import org.apache.commons.logging.Log; |
| 31 | import org.apache.commons.logging.LogFactory; |
| 32 | |
| 33 | /** |
| 34 | * TestCase for ComicSheetLayout. |
| 35 | * |
| 36 | * @author Thomas Aglassinger |
| 37 | */ |
| 38 | public class ComicSheetLayoutTest extends TestCase |
| 39 | { |
| 40 | private static final double SCALE_COMPARISON_EPSILON = 0.0001; |
| 41 | |
| 42 | private Log logger; |
| 43 | private TestTools testTools; |
| 44 | |
| 45 | protected void setUp() |
| 46 | throws Exception { |
| 47 | super.setUp(); |
| 48 | logger = LogFactory.getLog(ComicSheetLayoutTest.class); |
| 49 | testTools = TestTools.instance(); |
| 50 | } |
| 51 | |
| 52 | public void testGetTargetScales() |
| 53 | throws IOException { |
| 54 | RenderedImage leftImage = testTools.getTestImage("01.png"); |
| 55 | RenderedImage rightImage = testTools.getTestImage("02.png"); |
| 56 | ComicSheetRenderSettings renderSettings = new ComicSheetRenderSettings(); |
| 57 | ComicSheetLayout renderer = new ComicSheetLayout(); |
| 58 | |
| 59 | renderer.prepare(leftImage, rightImage, renderSettings); |
| 60 | |
| 61 | double[] scalesWithLeft = renderer.getTargetScales(300, 200, ComicSheetLayout.RENDER_LEFT); |
| 62 | |
| 63 | assertNotNull(scalesWithLeft); |
| 64 | assertEquals(2, scalesWithLeft.length); |
| 65 | testTools.assertGreaterThan(scalesWithLeft[0], 0.0); |
| 66 | assertEquals(ComicSheetLayout.NO_SCALE, scalesWithLeft[1], SCALE_COMPARISON_EPSILON); |
| 67 | |
| 68 | double[] scalesWithRight = renderer.getTargetScales(300, 200, ComicSheetLayout.RENDER_RIGHT); |
| 69 | |
| 70 | assertNotNull(scalesWithRight); |
| 71 | assertEquals(2, scalesWithRight.length); |
| 72 | assertEquals(ComicSheetLayout.NO_SCALE, scalesWithRight[0], 0.0001); |
| 73 | testTools.assertGreaterThan(scalesWithRight[1], 0.0); |
| 74 | } |
| 75 | |
| 76 | public void testRenderBothActual() |
| 77 | throws IOException { |
| 78 | RenderedImage leftImage = testTools.getTestImage("01.png"); |
| 79 | RenderedImage rightImage = testTools.getTestImage("02.png"); |
| 80 | int totalWidth = leftImage.getWidth() + rightImage.getWidth(); |
| 81 | int totalHeight = Math.max(leftImage.getHeight(), rightImage.getHeight()); |
| 82 | |
| 83 | testRenderBoth("actual-center", leftImage, rightImage, totalWidth + 50, totalHeight + 75, |
| 84 | ImageTools.SCALE_ACTUAL); |
| 85 | testRenderBoth("actual-fit-x", leftImage, rightImage, totalWidth, totalHeight + 75, ImageTools.SCALE_ACTUAL); |
| 86 | testRenderBoth("actual-fit-y", leftImage, rightImage, totalWidth + 50, totalHeight, ImageTools.SCALE_ACTUAL); |
| 87 | testRenderBoth("actual-fit", leftImage, rightImage, totalWidth, totalHeight, ImageTools.SCALE_ACTUAL); |
| 88 | } |
| 89 | |
| 90 | public void testRenderBothActualFitWithDifferentFormats() |
| 91 | throws IOException { |
| 92 | testRenderBothActualFit("8-bit", TestTools.TEST_IMAGE_8_BIT, TestTools.TEST_IMAGE_FILE_NAME); |
| 93 | testRenderBothActualFit("8-bit-gray", TestTools.TEST_IMAGE_8_BIT_GRAY, TestTools.TEST_IMAGE_FILE_NAME); |
| 94 | testRenderBothActualFit("4-bit", TestTools.TEST_IMAGE_4_BIT, TestTools.TEST_IMAGE_FILE_NAME); |
| 95 | testRenderBothActualFit("1-bit", TestTools.TEST_IMAGE_1_BIT, TestTools.TEST_IMAGE_FILE_NAME); |
| 96 | } |
| 97 | |
| 98 | public void testRenderBothFitl() |
| 99 | throws IOException { |
| 100 | RenderedImage leftImage = testTools.getTestImage("01.png"); |
| 101 | RenderedImage rightImage = testTools.getTestImage("02.png"); |
| 102 | int totalWidth = leftImage.getWidth() + rightImage.getWidth(); |
| 103 | int totalHeight = Math.max(leftImage.getHeight(), rightImage.getHeight()); |
| 104 | |
| 105 | testRenderBoth("fit-x", leftImage, rightImage, totalWidth, totalHeight + 75, ImageTools.SCALE_FIT); |
| 106 | testRenderBoth("fit-perfectly", leftImage, rightImage, totalWidth, totalHeight, ImageTools.SCALE_FIT); |
| 107 | testRenderBoth("fit-y", leftImage, rightImage, totalWidth + 50, totalHeight, ImageTools.SCALE_FIT); |
| 108 | testRenderBoth("fit-grow", leftImage, rightImage, 2 * totalWidth, 2 * totalHeight, ImageTools.SCALE_FIT); |
| 109 | testRenderBoth("fit-shrink", leftImage, rightImage, totalWidth / 2, totalHeight / 2, ImageTools.SCALE_FIT); |
| 110 | } |
| 111 | |
| 112 | public void testRenderLeftActual() |
| 113 | throws IOException { |
| 114 | RenderedImage leftImage = testTools.getTestImage("01.png"); |
| 115 | |
| 116 | testRenderLeft("actual-center", leftImage, 1.3, 1.7, ImageTools.SCALE_ACTUAL); |
| 117 | testRenderLeft("actual-fit-x", leftImage, 1.0, 1.7, ImageTools.SCALE_ACTUAL); |
| 118 | testRenderLeft("actual-fit-y", leftImage, 1.3, 1.0, ImageTools.SCALE_ACTUAL); |
| 119 | } |
| 120 | |
| 121 | public void testRenderLeftFitX() |
| 122 | throws IOException { |
| 123 | RenderedImage leftImage = testTools.getTestImage("01.png"); |
| 124 | |
| 125 | testRenderLeft("fit-x", leftImage, 1.3, 1.7, ImageTools.SCALE_FIT); |
| 126 | testRenderLeft("fit-y", leftImage, 1.7, 1.3, ImageTools.SCALE_FIT); |
| 127 | testRenderLeft("fit-perfectly", leftImage, 1.0, 1.0, ImageTools.SCALE_FIT); |
| 128 | } |
| 129 | |
| 130 | public void testRenderRightActual() |
| 131 | throws IOException { |
| 132 | RenderedImage rightImage = testTools.getTestImage("02.png"); |
| 133 | |
| 134 | testRenderRight("actual-center", rightImage, 1.3, 1.7, ImageTools.SCALE_ACTUAL); |
| 135 | testRenderRight("actual-fit-x", rightImage, 1.0, 1.7, ImageTools.SCALE_ACTUAL); |
| 136 | testRenderRight("actual-fit-y", rightImage, 1.3, 1.0, ImageTools.SCALE_ACTUAL); |
| 137 | } |
| 138 | |
| 139 | public void testRenderRightFitX() |
| 140 | throws IOException { |
| 141 | RenderedImage rightImage = testTools.getTestImage("02.png"); |
| 142 | |
| 143 | testRenderRight("fit-x", rightImage, 1.3, 1.7, ImageTools.SCALE_FIT); |
| 144 | testRenderRight("fit-y", rightImage, 1.7, 1.3, ImageTools.SCALE_FIT); |
| 145 | testRenderRight("fit-perfectly", rightImage, 1.0, 1.0, ImageTools.SCALE_FIT); |
| 146 | } |
| 147 | |
| 148 | protected void tearDown() |
| 149 | throws Exception { |
| 150 | testTools = null; |
| 151 | super.tearDown(); |
| 152 | } |
| 153 | |
| 154 | private BufferedImage createTargetImage(int sourceWidth, int sourceHeight) { |
| 155 | assert sourceWidth > 0; |
| 156 | assert sourceHeight > 0; |
| 157 | |
| 158 | BufferedImage result = new BufferedImage(sourceWidth, sourceHeight, BufferedImage.TYPE_INT_RGB); |
| 159 | |
| 160 | return result; |
| 161 | } |
| 162 | |
| 163 | private BufferedImage createTargetImageFor(RenderedImage sourceImage, double xScale, double yScale) { |
| 164 | assert sourceImage != null; |
| 165 | assert xScale > 0; |
| 166 | assert yScale > 0; |
| 167 | |
| 168 | return createTargetImageFor(sourceImage.getWidth(), sourceImage.getHeight(), xScale, yScale); |
| 169 | } |
| 170 | |
| 171 | private BufferedImage createTargetImageFor(int sourceWidth, int sourceHeight, double xScale, double yScale) { |
| 172 | assert sourceWidth > 0; |
| 173 | assert sourceHeight > 0; |
| 174 | assert xScale > 0; |
| 175 | assert yScale > 0; |
| 176 | |
| 177 | return createTargetImage((int) Math.ceil(xScale * sourceWidth), (int) Math.ceil(yScale * sourceHeight)); |
| 178 | } |
| 179 | |
| 180 | private void testRenderBoth(String nameDetails, RenderedImage leftImage, RenderedImage rightImage, |
| 181 | int targetImageWidth, int targetImageHeight, String scaleMode) |
| 182 | throws IOException { |
| 183 | ComicSheetRenderSettings renderSettings = new ComicSheetRenderSettings(); |
| 184 | ComicSheetLayout renderer = new ComicSheetLayout(); |
| 185 | BufferedImage targetImage = createTargetImage(targetImageWidth, targetImageHeight); |
| 186 | |
| 187 | renderSettings.setScaleMode(scaleMode); |
| 188 | renderer.prepare(leftImage, rightImage, renderSettings); |
| 189 | |
| 190 | double[] scales = renderer.getTargetScales(targetImageWidth, targetImageHeight, ComicSheetLayout.RENDER_BOTH); |
| 191 | int[] topLeftCorner = renderer.getTargetTopLeft(targetImageWidth, targetImageHeight, |
| 192 | ComicSheetLayout.RENDER_BOTH, scales); |
| 193 | AffineTransform rotationTransformation = renderer.getTargetRotationTransformation( |
| 194 | targetImageWidth, targetImageHeight); |
| 195 | |
| 196 | if (logger.isInfoEnabled()) { |
| 197 | logger.info("scales[0] = " + (new DecimalFormat("#.00").format(scales[0]))); |
| 198 | logger.info("scales[1] = " + (new DecimalFormat("#.00").format(scales[1]))); |
| 199 | } |
| 200 | renderer.render((Graphics2D) targetImage.getGraphics(), ComicSheetLayout.RENDER_BOTH, scales, topLeftCorner, |
| 201 | rotationTransformation); |
| 202 | writeTestTargetTopLeftImage("both-" + nameDetails, targetImage); |
| 203 | } |
| 204 | |
| 205 | private void testRenderBothActualFit(String nameDetails, String leftName, String rightName) |
| 206 | throws IOException { |
| 207 | RenderedImage leftImage = testTools.getTestImage(leftName); |
| 208 | RenderedImage rightImage = testTools.getTestImage(rightName); |
| 209 | ComicSheetRenderSettings renderSettings = new ComicSheetRenderSettings(); |
| 210 | ComicSheetLayout renderer = new ComicSheetLayout(); |
| 211 | int targetImageWidth = leftImage.getWidth() + rightImage.getWidth(); |
| 212 | int targetImageHeight = Math.max(leftImage.getHeight(), rightImage.getHeight()); |
| 213 | BufferedImage targetImage = createTargetImage(targetImageWidth, targetImageHeight); |
| 214 | |
| 215 | renderSettings.setScaleMode(ImageTools.SCALE_ACTUAL); |
| 216 | renderer.prepare(leftImage, rightImage, renderSettings); |
| 217 | |
| 218 | double[] scales = renderer.getTargetScales(targetImageWidth, targetImageHeight, ComicSheetLayout.RENDER_BOTH); |
| 219 | int[] topLeftCorner = renderer.getTargetTopLeft(targetImageWidth, targetImageHeight, |
| 220 | ComicSheetLayout.RENDER_BOTH, scales); |
| 221 | AffineTransform rotationTransformation = renderer.getTargetRotationTransformation( |
| 222 | targetImageWidth, targetImageHeight); |
| 223 | |
| 224 | assertEquals(1.0, scales[0], SCALE_COMPARISON_EPSILON); |
| 225 | assertEquals(1.0, scales[1], SCALE_COMPARISON_EPSILON); |
| 226 | renderer.render((Graphics2D) targetImage.getGraphics(), ComicSheetLayout.RENDER_BOTH, scales, topLeftCorner, |
| 227 | rotationTransformation); |
| 228 | writeTestTargetTopLeftImage("both-actual-fit-" + nameDetails, targetImage); |
| 229 | } |
| 230 | |
| 231 | private void testRenderLeft(String nameDetails, RenderedImage leftImage, |
| 232 | double targetXScale, double targetYScale, String scaleMode) |
| 233 | throws IOException { |
| 234 | ComicSheetRenderSettings renderSettings = new ComicSheetRenderSettings(); |
| 235 | ComicSheetLayout renderer = new ComicSheetLayout(); |
| 236 | BufferedImage targetImage = createTargetImageFor(leftImage, targetXScale, targetYScale); |
| 237 | int targetImageWidth = targetImage.getWidth(); |
| 238 | int targetImageHeight = targetImage.getHeight(); |
| 239 | |
| 240 | renderSettings.setScaleMode(scaleMode); |
| 241 | renderer.prepare(leftImage, null, renderSettings); |
| 242 | |
| 243 | double[] scales = renderer.getTargetScales(targetImageWidth, targetImageHeight, ComicSheetLayout.RENDER_LEFT); |
| 244 | int[] topLeftCorner = renderer.getTargetTopLeft(targetImageWidth, targetImageHeight, |
| 245 | ComicSheetLayout.RENDER_LEFT, scales); |
| 246 | AffineTransform rotationTransformation = renderer.getTargetRotationTransformation( |
| 247 | targetImageWidth, targetImageHeight); |
| 248 | |
| 249 | renderer.render((Graphics2D) targetImage.getGraphics(), ComicSheetLayout.RENDER_LEFT, scales, topLeftCorner, |
| 250 | rotationTransformation); |
| 251 | writeTestTargetTopLeftImage("left-" + nameDetails, targetImage); |
| 252 | } |
| 253 | |
| 254 | private void testRenderRight(String nameDetails, RenderedImage rightImage, |
| 255 | double targetXScale, double targetYScale, String scaleMode) |
| 256 | throws IOException { |
| 257 | RenderedImage dummyLeftImage = testTools.getTestImage("01.png"); |
| 258 | ComicSheetRenderSettings renderSettings = new ComicSheetRenderSettings(); |
| 259 | ComicSheetLayout renderer = new ComicSheetLayout(); |
| 260 | BufferedImage targetImage = createTargetImageFor(rightImage, targetXScale, targetYScale); |
| 261 | int targetImageWidth = targetImage.getWidth(); |
| 262 | int targetImageHeight = targetImage.getHeight(); |
| 263 | |
| 264 | renderSettings.setScaleMode(scaleMode); |
| 265 | renderer.prepare(dummyLeftImage, rightImage, renderSettings); |
| 266 | |
| 267 | double[] scales = renderer.getTargetScales(targetImageWidth, targetImageHeight, ComicSheetLayout.RENDER_RIGHT); |
| 268 | int[] topLeftCorner = renderer.getTargetTopLeft(targetImageWidth, targetImageHeight, |
| 269 | ComicSheetLayout.RENDER_RIGHT, scales); |
| 270 | AffineTransform rotationTransformation = renderer.getTargetRotationTransformation( |
| 271 | targetImageWidth, targetImageHeight); |
| 272 | |
| 273 | renderer.render((Graphics2D) targetImage.getGraphics(), ComicSheetLayout.RENDER_RIGHT, scales, topLeftCorner, |
| 274 | rotationTransformation); |
| 275 | writeTestTargetTopLeftImage("right-" + nameDetails, targetImage); |
| 276 | } |
| 277 | |
| 278 | private void writeTestTargetTopLeftImage(String name, RenderedImage imageToWrite) |
| 279 | throws IOException { |
| 280 | assert name != null; |
| 281 | |
| 282 | String targetImageName = testTools.getTestFileName(ComicSheetLayoutTest.class, "testRender", name, "png"); |
| 283 | File targetImageFile = testTools.getTestOutputFile(targetImageName); |
| 284 | |
| 285 | testTools.writeImageFile(targetImageFile, imageToWrite); |
| 286 | } |
| 287 | } |