/*
* JBoss, Home of Professional Open Source.
* Copyright 2011, Red Hat, Inc., and individual contributors
* as indicated by the @author tags. See the copyright.txt file in the
* distribution for a full listing of individual contributors.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.jboss.test.capedwarf.images.test;
import java.awt.image.Raster;
import java.util.Arrays;
import com.google.appengine.api.images.Image;
import com.google.appengine.api.images.ImagesServiceFactory;
import com.google.appengine.api.images.Transform;
import org.jboss.arquillian.container.test.api.Deployment;
import org.jboss.arquillian.junit.Arquillian;
import org.jboss.shrinkwrap.api.Archive;
import org.jboss.shrinkwrap.api.spec.WebArchive;
import org.jboss.test.capedwarf.common.support.JBoss;
import org.jboss.test.capedwarf.images.support.ImageUtils;
import org.junit.Test;
import org.junit.experimental.categories.Category;
import org.junit.runner.RunWith;
import static org.jboss.test.capedwarf.images.support.ImageUtils.assertPixelsEqual;
import static org.junit.Assert.assertEquals;
/**
* @author <a href="mailto:marko.luksa@gmail.com">Marko Luksa</a>
*/
@RunWith(Arquillian.class)
@Category(JBoss.class)
public class TransformationsTest extends ImagesServiceTestBase {
@Deployment
public static Archive getDeployment() {
WebArchive war = getCapedwarfDeployment();
war.addClass(ImagesServiceTestBase.class);
war.addClass(ImageUtils.class);
war.addAsResource(CAPEDWARF_PNG);
return war;
}
@Test
public void testResize() {
Image originalImage = loadTestImage();
assertEquals(200, originalImage.getWidth());
assertEquals(143, originalImage.getHeight());
Image resizedImage = imagesService.applyTransform(ImagesServiceFactory.makeResize(400, 286), originalImage);
assertEquals(400, resizedImage.getWidth());
assertEquals(286, resizedImage.getHeight());
resizedImage = imagesService.applyTransform(ImagesServiceFactory.makeResize(300, 286), originalImage);
assertEquals(300, resizedImage.getWidth());
assertEquals(215, resizedImage.getHeight());
resizedImage = imagesService.applyTransform(ImagesServiceFactory.makeResize(400, 200), originalImage);
assertEquals(280, resizedImage.getWidth());
assertEquals(200, resizedImage.getHeight());
}
@Test
public void testResizeWithStretch() {
int resizedWidth = 300;
int resizedHeight = 200;
Image originalImage = loadTestImage();
Transform resize = ImagesServiceFactory.makeResize(resizedWidth, resizedHeight, true);
Image resizedImage = imagesService.applyTransform(resize, originalImage);
assertEquals(resizedWidth, resizedImage.getWidth());
assertEquals(resizedHeight, resizedImage.getHeight());
}
@Test
public void testResizeWithCrop() {
int resizedWidth = 300;
int resizedHeight = 200;
Image originalImage = loadTestImage();
Transform resize = ImagesServiceFactory.makeResize(resizedWidth, resizedHeight, 0.5f, 0.5f);
Image resizedImage = imagesService.applyTransform(resize, originalImage);
assertEquals(resizedWidth, resizedImage.getWidth());
assertEquals(resizedHeight, resizedImage.getHeight());
}
@Test
public void testCrop() {
int xOffset = 4;
int yOffset = 1;
int croppedWidth = 5;
int croppedHeight = 3;
Image image = createTestImage();
float leftX = (float) xOffset / image.getWidth();
float topY = (float) yOffset / image.getHeight();
float rightX = (float) (xOffset + croppedWidth) / image.getWidth();
float bottomY = (float) (yOffset + croppedHeight) / image.getHeight();
Transform crop = ImagesServiceFactory.makeCrop(leftX, topY, rightX, bottomY);
Image croppedImage = imagesService.applyTransform(crop, image);
Raster raster = getRaster(image);
Raster croppedRaster = getRaster(croppedImage);
assertEquals(croppedWidth, croppedRaster.getWidth());
assertEquals(croppedHeight, croppedRaster.getHeight());
for (int y = 0; y < croppedHeight; y++) {
for (int x = 0; x < croppedWidth; x++) {
assertPixelsEqual(raster, xOffset + x, yOffset + y, croppedRaster, x, y);
}
}
}
@Test
public void testHorizontalFlip() {
Image image = createTestImage();
Transform horizontalFlip = ImagesServiceFactory.makeHorizontalFlip();
Image flippedImage = imagesService.applyTransform(horizontalFlip, image);
Raster raster = getRaster(image);
Raster flippedRaster = getRaster(flippedImage);
assertEquals(raster.getWidth(), flippedRaster.getWidth());
assertEquals(raster.getHeight(), flippedRaster.getHeight());
for (int y = 0; y < raster.getHeight(); y++) {
for (int x = 0; x < raster.getWidth(); x++) {
assertPixelsEqual(raster, x, y, flippedRaster, raster.getWidth() - x - 1, y);
}
}
}
@Test
public void testVerticalFlip() {
Image image = createTestImage();
Transform verticalFlip = ImagesServiceFactory.makeVerticalFlip();
Image flippedImage = imagesService.applyTransform(verticalFlip, image);
Raster raster = getRaster(image);
Raster flippedRaster = getRaster(flippedImage);
assertEquals(raster.getWidth(), flippedRaster.getWidth());
assertEquals(raster.getHeight(), flippedRaster.getHeight());
for (int y = 0; y < raster.getHeight(); y++) {
for (int x = 0; x < raster.getWidth(); x++) {
assertPixelsEqual(raster, x, y, flippedRaster, x, raster.getHeight() - y - 1);
}
}
}
@Test
public void testRotate0Degrees() {
Image image = createTestImage();
Transform rotate0 = ImagesServiceFactory.makeRotate(0);
Image rotatedImage = imagesService.applyTransform(rotate0, image);
assertImagesEqual(image, rotatedImage);
}
@Test
public void testRotate90Degrees() {
Image image = createTestImage();
Transform rotate90 = ImagesServiceFactory.makeRotate(90);
Image rotatedImage = imagesService.applyTransform(rotate90, image);
Raster raster = getRaster(image);
Raster rotatedRaster = getRaster(rotatedImage);
assertEquals(raster.getWidth(), rotatedRaster.getHeight());
assertEquals(raster.getHeight(), rotatedRaster.getWidth());
for (int y = 0; y < raster.getHeight(); y++) {
for (int x = 0; x < raster.getWidth(); x++) {
assertPixelsEqual(raster, x, y, rotatedRaster, rotatedRaster.getWidth() - y - 1, x);
}
}
}
@Test
public void testRotate180Degrees() {
Image image = createTestImage();
Transform rotate = ImagesServiceFactory.makeRotate(180);
Image rotate180 = imagesService.applyTransform(rotate, image);
Raster raster = getRaster(image);
Raster rotatedRaster = getRaster(rotate180);
assertEquals(raster.getWidth(), rotatedRaster.getWidth());
assertEquals(raster.getHeight(), rotatedRaster.getHeight());
for (int y = 0; y < raster.getHeight(); y++) {
for (int x = 0; x < raster.getWidth(); x++) {
assertPixelsEqual(raster, x, y, rotatedRaster, rotatedRaster.getWidth() - x - 1, rotatedRaster.getHeight() - y - 1);
}
}
}
@Test
public void testRotate270Degrees() {
Image image = createTestImage();
Transform rotate270 = ImagesServiceFactory.makeRotate(270);
Image rotatedImage = imagesService.applyTransform(rotate270, image);
Raster raster = getRaster(image);
Raster rotatedRaster = getRaster(rotatedImage);
assertEquals(raster.getWidth(), rotatedRaster.getHeight());
assertEquals(raster.getHeight(), rotatedRaster.getWidth());
for (int y = 0; y < raster.getHeight(); y++) {
for (int x = 0; x < raster.getWidth(); x++) {
assertPixelsEqual(raster, x, y, rotatedRaster, y, rotatedRaster.getHeight() - x - 1);
}
}
}
@Test
public void imFeelingLuckyReturnsTheSameImage() {
Image image = createTestImage();
Transform feelingLuckyTransform = ImagesServiceFactory.makeImFeelingLucky();
Image improvedImage = imagesService.applyTransform(feelingLuckyTransform, image);
assertEquals(image.getWidth(), improvedImage.getWidth());
assertEquals(image.getHeight(), improvedImage.getHeight());
}
@Test
public void compositeTransformRendersSameImageAsSeparateTransforms() {
Transform transform1 = ImagesServiceFactory.makeHorizontalFlip();
Transform transform2 = ImagesServiceFactory.makeVerticalFlip();
Transform transform3 = ImagesServiceFactory.makeRotate(90);
Transform compositeTransform = ImagesServiceFactory.makeCompositeTransform(Arrays.asList(transform1, transform2, transform3));
Image separatelyTransformedImage = imagesService.applyTransform(transform1, createTestImage());
separatelyTransformedImage = imagesService.applyTransform(transform2, separatelyTransformedImage);
separatelyTransformedImage = imagesService.applyTransform(transform3, separatelyTransformedImage);
Image imageTransformedWithComposite = imagesService.applyTransform(compositeTransform, createTestImage());
assertImagesEqual(separatelyTransformedImage, imageTransformedWithComposite);
}
}