jadeutils.image.ImageUtilsWrapper Maven / Gradle / Ivy
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package jadeutils.image;
import java.awt.Color;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
public class ImageUtilsWrapper {
/*
* 缩放图像（按比例缩放）
*
* @param srcFileName
* 源图像文件地址
* @param destFileName
* 缩放后的图像地址
* @param scale
* 缩放比例
* @throws IOException
*/
public final static void scale(String srcFileName, String destFileName,
double scale) throws IOException {
InputStream srcImg = null;
OutputStream destImg = null;
try {
srcImg = new FileInputStream(new File(srcFileName));
destImg = new FileOutputStream(new File(destFileName));
ImageUtils.scale(srcImg, destImg, scale);
} catch (IOException e) {
throw e;
} finally {
try {
if (null != srcImg)
srcImg.close();
} catch (Exception e2) {
}
try {
if (null != destImg)
destImg.close();
} catch (Exception e2) {
}
}
}
/*
* 缩放图像（按高度和宽度缩放）
*
* @param srcFileName
* 源图像文件地址
* @param destFileName
* 缩放后的图像地址
* @param height
* 缩放后的高度
* @param width
* 缩放后的宽度
* @param isFill
* 比例不对时是否需要补白：true为补白; false为不补白;
* @throws IOException
*/
public final static void scale(String srcFileName, String destFileName,
int width, int height, boolean isFill) throws IOException {
InputStream srcImg = null;
OutputStream destImg = null;
try {
srcImg = new FileInputStream(new File(srcFileName));
destImg = new FileOutputStream(new File(destFileName));
ImageUtils.scale(srcImg, destImg, width, height, isFill);
} catch (IOException e) {
throw e;
} finally {
try {
if (null != srcImg)
srcImg.close();
} catch (Exception e2) {
}
try {
if (null != destImg)
destImg.close();
} catch (Exception e2) {
}
}
}
/*
* 图像切割(按指定起点坐标和宽高切割)
*
* @param srcFileName
* 源图像地址
* @param destFileName
* 切片后的图像地址
* @param x
* 目标切片起点坐标X
* @param y
* 目标切片起点坐标Y
* @param width
* 目标切片宽度
* @param height
* 目标切片高度
* @throws IOException
*/
public final static void cut(String srcFileName, String destFileName,
int x, int y, int width, int height) throws IOException {
InputStream srcImg = null;
OutputStream destImg = null;
try {
srcImg = new FileInputStream(new File(srcFileName));
destImg = new FileOutputStream(new File(destFileName));
ImageUtils.cut(srcImg, destImg, x, y, width, height);
} catch (IOException e) {
throw e;
} finally {
try {
if (null != srcImg)
srcImg.close();
} catch (Exception e2) {
}
try {
if (null != destImg)
destImg.close();
} catch (Exception e2) {
}
}
}
/*
* 图像切割（指定切片的行数和列数）
*
* @param srcFileName
* 源图像地址
* @param descPrefix
* 切片目标文件夹
* @param rowCount
* 目标切片行数。默认2，必须是范围 [1, 20] 之内
* @param colCount
* 目标切片列数。默认2，必须是范围 [1, 20] 之内
* @throws IOException
*/
public final static void divideByGrid(final String srcFileName,
final String descPrefix, int rowCount, int colCount)
throws IOException {
InputStream srcImg = null;
try {
srcImg = new FileInputStream(new File(srcFileName));
ImageUtils.divideByGrid(srcImg,
new ImageUtils.MutiOutputStreamGenerater() {
@Override
public OutputStream genOutputStream(String idx,
String postFix) throws FileNotFoundException {
String fileName = descPrefix + idx + postFix;
return new FileOutputStream(new File(fileName));
}
}, rowCount, colCount);
} catch (IOException e) {
throw e;
} finally {
try {
if (null != srcImg)
srcImg.close();
} catch (Exception e2) {
}
}
}
/*
* 图像切割（指定切片的行数和列数）
*
* @param srcFileName
* 源图像地址
* @param descPrefix
* 切片目标文件夹
* @param rowCount
* 目标切片行数。默认2，必须是范围 [1, 20] 之内
* @param colCount
* 目标切片列数。默认2，必须是范围 [1, 20] 之内
* @throws IOException
*/
public final static void divideBySize(final String srcFileName,
final String descPrefix, int rowCount, int colCount)
throws IOException {
InputStream srcImg = null;
try {
srcImg = new FileInputStream(new File(srcFileName));
ImageUtils.divideBySize(srcImg,
new ImageUtils.MutiOutputStreamGenerater() {
@Override
public OutputStream genOutputStream(String idx,
String postFix) throws FileNotFoundException {
String fileName = descPrefix + idx + postFix;
return new FileOutputStream(new File(fileName));
}
}, rowCount, colCount);
} catch (IOException e) {
throw e;
} finally {
try {
if (null != srcImg)
srcImg.close();
} catch (Exception e2) {
}
}
}
/*
* 彩色转为黑白
*
* @param srcFileName
* 源图像地址
* @param destFileName
* 目标图像地址
* @throws IOException
*/
public final static void gray(String srcFileName, String destFileName)
throws IOException {
InputStream srcImg = null;
OutputStream destImg = null;
try {
srcImg = new FileInputStream(new File(srcFileName));
destImg = new FileOutputStream(new File(destFileName));
ImageUtils.gray(srcImg, destImg);
} catch (IOException e) {
throw e;
} finally {
try {
if (null != srcImg)
srcImg.close();
} catch (Exception e2) {
}
try {
if (null != destImg)
destImg.close();
} catch (Exception e2) {
}
}
}
/*
* 图像类型转换：GIF->JPG、GIF->PNG、PNG->JPG、PNG->GIF(X)、BMP->PNG
*
* @param srcFileName
* 源图像地址
* @param destFileName
* 目标图像地址
* @param format
* 包含格式非正式名称的 String：如JPG、JPEG、GIF等
* @throws IOException
*/
public final static void convert(String srcFileName, String destFileName,
String format) throws IOException {
InputStream srcImg = null;
OutputStream destImg = null;
try {
srcImg = new FileInputStream(new File(srcFileName));
destImg = new FileOutputStream(new File(destFileName));
ImageUtils.convert(srcImg, destImg, format);
} catch (IOException e) {
throw e;
} finally {
try {
if (null != srcImg)
srcImg.close();
} catch (Exception e2) {
}
try {
if (null != destImg)
destImg.close();
} catch (Exception e2) {
}
}
}
/*
* 给图片添加文字水印
*
* @param srcFileName
* 源图像地址
* @param destFileName
* 目标图像地址
* @param pressText
* 水印文字
* @param x
* 修正值
* @param y
* 修正值
* @param fontName
* 水印的字体名称
* @param fontStyle
* 水印的字体样式
* @param fontSize
* 水印的字体大小
* @param color
* 水印的字体颜色
* @param alpha
* 透明度：alpha 必须是范围 [0.0, 1.0] 之内（包含边界值）的一个浮点数字
* @throws IOException
*/
public final static void pressText(String srcFileName, String destFileName,
String pressText, int x, int y, //
String fontName, int fontStyle, int fontSize, //
Color color, float alpha) throws IOException {
InputStream srcImg = null;
OutputStream destImg = null;
try {
srcImg = new FileInputStream(new File(srcFileName));
destImg = new FileOutputStream(new File(destFileName));
ImageUtils.pressText(srcImg, destImg, pressText, x, y, fontName,
fontStyle, fontSize, color, alpha);
} catch (IOException e) {
throw e;
} finally {
try {
if (null != srcImg)
srcImg.close();
} catch (Exception e2) {
}
try {
if (null != destImg)
destImg.close();
} catch (Exception e2) {
}
}
}
/*
* 给图片添加图片水印
*
* @param srcFileName
* 源图像地址
* @param pressFileName
* 水印图片
* @param destFileName
* 目标图像地址
* @param x
* 修正值。 默认在中间
* @param y
* 修正值。 默认在中间
* @param alpha
* 透明度：alpha 必须是范围 [0.0, 1.0] 之内（包含边界值）的一个浮点数字
* @throws IOException
*/
public final static void pressImage(String srcFileName,
String pressFileName, String destFileName, int x, int y, float alpha)
throws IOException {
InputStream srcImg = null;
InputStream pressImg = null;
OutputStream destImg = null;
try {
srcImg = new FileInputStream(new File(srcFileName));
pressImg = new FileInputStream(new File(pressFileName));
destImg = new FileOutputStream(new File(destFileName));
ImageUtils.pressImage(srcImg, pressImg, destImg, destFileName, x,
y, alpha);
} catch (IOException e) {
throw e;
} finally {
try {
if (null != srcImg)
srcImg.close();
} catch (Exception e2) {
}
try {
if (null != pressImg)
pressImg.close();
} catch (Exception e2) {
}
try {
if (null != destImg)
destImg.close();
} catch (Exception e2) {
}
}
}
}
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