/*
* Copyright 1999-2004 Alibaba.com All right reserved. This software is the
* confidential and proprietary information of Alibaba.com ("Confidential
* Information"). You shall not disclose such Confidential Information and shall
* use it only in accordance with the terms of the license agreement you entered
* into with Alibaba.com.
*/
package com.alibaba.simpleimage;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.InputStream;
import java.io.OutputStream;
import junit.framework.TestCase;
import org.apache.commons.io.IOUtils;
import com.alibaba.simpleimage.render.ReadRender;
import com.alibaba.simpleimage.render.ScaleParameter;
import com.alibaba.simpleimage.render.ScaleRender;
import com.alibaba.simpleimage.render.WatermarkParameter;
import com.alibaba.simpleimage.render.WatermarkRender;
import com.alibaba.simpleimage.render.WriteRender;
/**
* 类WatermarkTest.java的实现描述：TODO 类实现描述
* @author wendell 2011-8-17 下午05:18:52
*/
public class WatermarkTest extends TestCase {
static File path = new File("./src/test/resources/conf.test/simpleimage/gif");
static File jpegDir = new File("./src/test/resources/conf.test/simpleimage/scale");
static File resultDir = new File("./src/test/resources/conf.test/simpleimage/result");
/**
* Test method for
* {@link com.alibaba.simpleimage.render.WatermarkRender#WatermarkRender(com.alibaba.simpleimage.ImageRender, com.alibaba.simpleimage.render.WatermarkParameter)}
* .
*/
public void testJPGWatermarkRender() throws Exception {
doTest(jpegDir, jpegDir,"334.jpg", "snow.jpg", 0.7f, 50, 50);
}
public void testAlphaRangeWatermarkRender() throws Exception {
float alpha = 0.0f;
for(int i = 0; i < 10; i++) {
doTest(jpegDir, path, "334.jpg", "alibaba1.gif", alpha, 0, 0);
alpha += 0.1f;
}
}
public void testApp() throws Exception {
InputStream in = null;
ImageWrapper srcImageWrapper = null;
ImageRender rr = null;
try {
in = new FileInputStream(new File(path, "cb.GIF"));
rr = new ReadRender(in, true);
srcImageWrapper = rr.render();
} finally {
if (rr != null) {
rr.dispose();
}
IOUtils.closeQuietly(in);
}
int width = srcImageWrapper.getWidth();
int height = srcImageWrapper.getHeight();
ImageWrapper wmImage = null;
ImageRender sr = null;
try {
in = new FileInputStream(new File(path, "alibaba1.gif"));
rr = new ReadRender(in, false);
sr = new ScaleRender(rr, new ScaleParameter(width, height, ScaleParameter.Algorithm.SUBSAMPLE_AVG));
wmImage = sr.render();
} finally {
if (sr != null) {
sr.dispose();
}
IOUtils.closeQuietly(in);
}
ImageRender wi = null;
WatermarkParameter param = new WatermarkParameter(wmImage, 0.3f, 0, 0);
try {
wi = new WatermarkRender(srcImageWrapper, param);
srcImageWrapper = wi.render();
} finally {
if(wi != null) {
wi.dispose();
}
}
write(srcImageWrapper, "app-result.jpg");
}
void doTest(File dir, File wmDir, String bg, String wm, float alpha, int x, int y) throws Exception {
InputStream in = null;
ImageRender sr = null;
try {
in = new FileInputStream(new File(dir, bg));
ImageRender rr = new ReadRender(in, true);
sr = new WatermarkRender(rr, createParam(wmDir, wm, alpha, x, y));
write(sr, alpha + "-result-" + bg);
} finally {
if (sr != null) {
sr.dispose();
}
IOUtils.closeQuietly(in);
}
}
WatermarkParameter createParam(File dir, String imgPath, float alpha, int x, int y) throws Exception {
InputStream in = null;
ImageRender rr = null;
ImageWrapper imageWrapper = null;
try {
in = new FileInputStream(new File(dir, imgPath));
rr = new ReadRender(in, false);
imageWrapper = rr.render();
} finally {
if (rr != null) {
rr.dispose();
}
IOUtils.closeQuietly(in);
}
WatermarkParameter param = new WatermarkParameter(imageWrapper, alpha, x, y);
return param;
}
public void write(ImageRender sr, String filename) throws Exception {
OutputStream output = null;
ImageRender wr = null;
try {
output = new FileOutputStream(new File(resultDir, filename));
wr = new WriteRender(sr, output, ImageFormat.JPEG);
wr.render();
} finally {
if (wr != null) {
wr.dispose();
}
IOUtils.closeQuietly(output);
}
}
public void write(ImageWrapper sr, String filename) throws Exception {
OutputStream output = null;
ImageRender wr = null;
try {
output = new FileOutputStream(new File(resultDir, filename));
wr = new WriteRender(sr, output, ImageFormat.JPEG);
wr.render();
} finally {
if (wr != null) {
wr.dispose();
}
IOUtils.closeQuietly(output);
}
}
}