/**
* 等比例图片缩放.
*
* @param srcFile 源文件
* @param destFile 目标文件
* @param destWidth 目标宽度(>0)
* @param destHeight 目标高度(>0)
*/
public static void zoom(File srcFile, File destFile, int destWidth, int destHeight) {
if (type == Type.jdk) {
try {
BufferedImage srcBufferedImage = ImageIO.read(srcFile);
int srcWidth = srcBufferedImage.getWidth();
int srcHeight = srcBufferedImage.getHeight();
int width = destWidth;
int height = destHeight;
if (srcHeight >= srcWidth) {
width = (int) Math.round(((destHeight * 1.0 / srcHeight) * srcWidth));
} else {
height = (int) Math.round(((destWidth * 1.0 / srcWidth) * srcHeight));
}
BufferedImage destBufferedImage =
new BufferedImage(destWidth, destHeight, BufferedImage.TYPE_INT_RGB);
Graphics2D graphics2D = destBufferedImage.createGraphics();
graphics2D.setBackground(BACKGROUND_COLOR);
graphics2D.clearRect(0, 0, destWidth, destHeight);
graphics2D.drawImage(
srcBufferedImage.getScaledInstance(width, height, Image.SCALE_SMOOTH),
(destWidth / 2) - (width / 2),
(destHeight / 2) - (height / 2),
null);
graphics2D.dispose();
ImageIO.write(destBufferedImage, FileUtil.getExtension(destFile), destFile);
} catch (IOException e) {
throw new RuntimeException(e);
}
} else {
IMOperation operation = new IMOperation();
operation.thumbnail(destWidth, destHeight);
operation.gravity("center");
operation.background(toHexEncoding(BACKGROUND_COLOR));
operation.extent(destWidth, destHeight);
operation.quality((double) DEST_QUALITY);
operation.addImage(srcFile.getPath());
operation.addImage(destFile.getPath());
if (type == Type.graphicsMagick) {
ConvertCmd convertCmd = new ConvertCmd(true);
if (graphicsMagickPath != null) {
convertCmd.setSearchPath(graphicsMagickPath);
}
try {
convertCmd.run(operation);
} catch (IOException | InterruptedException | IM4JavaException e) {
throw new RuntimeException(e);
}
} else {
ConvertCmd convertCmd = new ConvertCmd(false);
if (imageMagickPath != null) {
convertCmd.setSearchPath(imageMagickPath);
}
try {
convertCmd.run(operation);
} catch (IOException | InterruptedException | IM4JavaException e) {
throw new RuntimeException(e);
}
}
}
}
public static void zoom(File srcFile, File destFile, int destWidth, int destHeight) {
Assert.notNull(srcFile);
Assert.notNull(destFile);
Assert.state(destWidth > 0);
Assert.state(destHeight > 0);
if (type == Type.jdk) {
Graphics2D graphics2D = null;
ImageOutputStream imageOutputStream = null;
ImageWriter imageWriter = null;
try {
BufferedImage srcBufferedImage = ImageIO.read(srcFile);
int srcWidth = srcBufferedImage.getWidth();
int srcHeight = srcBufferedImage.getHeight();
int width = destWidth;
int height = destHeight;
if (srcHeight >= srcWidth) {
width = (int) Math.round(((destHeight * 1.0 / srcHeight) * srcWidth));
} else {
height = (int) Math.round(((destWidth * 1.0 / srcWidth) * srcHeight));
}
BufferedImage destBufferedImage =
new BufferedImage(destWidth, destHeight, BufferedImage.TYPE_INT_RGB);
graphics2D = destBufferedImage.createGraphics();
graphics2D.setBackground(BACKGROUND_COLOR);
graphics2D.clearRect(0, 0, destWidth, destHeight);
graphics2D.drawImage(
srcBufferedImage.getScaledInstance(width, height, Image.SCALE_SMOOTH),
(destWidth / 2) - (width / 2),
(destHeight / 2) - (height / 2),
null);
imageOutputStream = ImageIO.createImageOutputStream(destFile);
imageWriter =
ImageIO.getImageWritersByFormatName(FilenameUtils.getExtension(destFile.getName()))
.next();
imageWriter.setOutput(imageOutputStream);
ImageWriteParam imageWriteParam = imageWriter.getDefaultWriteParam();
imageWriteParam.setCompressionMode(ImageWriteParam.MODE_EXPLICIT);
imageWriteParam.setCompressionQuality((float) (DEST_QUALITY / 100.0));
imageWriter.write(null, new IIOImage(destBufferedImage, null, null), imageWriteParam);
imageOutputStream.flush();
} catch (IOException e) {
e.printStackTrace();
} finally {
if (graphics2D != null) {
graphics2D.dispose();
}
if (imageWriter != null) {
imageWriter.dispose();
}
if (imageOutputStream != null) {
try {
imageOutputStream.close();
} catch (IOException e) {
}
}
}
} else {
IMOperation operation = new IMOperation();
operation.thumbnail(destWidth, destHeight);
operation.gravity("center");
operation.background(toHexEncoding(BACKGROUND_COLOR));
operation.extent(destWidth, destHeight);
operation.quality((double) DEST_QUALITY);
operation.addImage(srcFile.getPath());
operation.addImage(destFile.getPath());
if (type == Type.graphicsMagick) {
ConvertCmd convertCmd = new ConvertCmd(true);
if (graphicsMagickPath != null) {
convertCmd.setSearchPath(graphicsMagickPath);
}
try {
convertCmd.run(operation);
} catch (IOException e) {
e.printStackTrace();
} catch (InterruptedException e) {
e.printStackTrace();
} catch (IM4JavaException e) {
e.printStackTrace();
}
} else {
ConvertCmd convertCmd = new ConvertCmd(false);
if (imageMagickPath != null) {
convertCmd.setSearchPath(imageMagickPath);
}
try {
convertCmd.run(operation);
} catch (IOException e) {
e.printStackTrace();
} catch (InterruptedException e) {
e.printStackTrace();
} catch (IM4JavaException e) {
e.printStackTrace();
}
}
}
}
/**
* 添加水印
*
* @param srcFile 源文件
* @param destFile 目标文件
* @param watermarkFile 水印文件
* @param watermarkPosition 水印位置
* @param alpha 水印透明度
*/
public static void addWatermark(
File srcFile,
File destFile,
File watermarkFile,
WatermarkPosition watermarkPosition,
int alpha) {
Assert.notNull(srcFile);
Assert.notNull(destFile);
Assert.state(alpha >= 0);
Assert.state(alpha <= 100);
if (watermarkFile == null
|| !watermarkFile.exists()
|| watermarkPosition == null
|| watermarkPosition == WatermarkPosition.no) {
try {
FileUtils.copyFile(srcFile, destFile);
} catch (IOException e) {
e.printStackTrace();
}
return;
}
if (type == Type.jdk) {
Graphics2D graphics2D = null;
ImageOutputStream imageOutputStream = null;
ImageWriter imageWriter = null;
try {
BufferedImage srcBufferedImage = ImageIO.read(srcFile);
int srcWidth = srcBufferedImage.getWidth();
int srcHeight = srcBufferedImage.getHeight();
BufferedImage destBufferedImage =
new BufferedImage(srcWidth, srcHeight, BufferedImage.TYPE_INT_RGB);
graphics2D = destBufferedImage.createGraphics();
graphics2D.setBackground(BACKGROUND_COLOR);
graphics2D.clearRect(0, 0, srcWidth, srcHeight);
graphics2D.drawImage(srcBufferedImage, 0, 0, null);
graphics2D.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_ATOP, alpha / 100F));
BufferedImage watermarkBufferedImage = ImageIO.read(watermarkFile);
int watermarkImageWidth = watermarkBufferedImage.getWidth();
int watermarkImageHeight = watermarkBufferedImage.getHeight();
int x = srcWidth - watermarkImageWidth;
int y = srcHeight - watermarkImageHeight;
if (watermarkPosition == WatermarkPosition.topLeft) {
x = 0;
y = 0;
} else if (watermarkPosition == WatermarkPosition.topRight) {
x = srcWidth - watermarkImageWidth;
y = 0;
} else if (watermarkPosition == WatermarkPosition.center) {
x = (srcWidth - watermarkImageWidth) / 2;
y = (srcHeight - watermarkImageHeight) / 2;
} else if (watermarkPosition == WatermarkPosition.bottomLeft) {
x = 0;
y = srcHeight - watermarkImageHeight;
} else if (watermarkPosition == WatermarkPosition.bottomRight) {
x = srcWidth - watermarkImageWidth;
y = srcHeight - watermarkImageHeight;
}
graphics2D.drawImage(
watermarkBufferedImage, x, y, watermarkImageWidth, watermarkImageHeight, null);
imageOutputStream = ImageIO.createImageOutputStream(destFile);
imageWriter =
ImageIO.getImageWritersByFormatName(FilenameUtils.getExtension(destFile.getName()))
.next();
imageWriter.setOutput(imageOutputStream);
ImageWriteParam imageWriteParam = imageWriter.getDefaultWriteParam();
imageWriteParam.setCompressionMode(ImageWriteParam.MODE_EXPLICIT);
imageWriteParam.setCompressionQuality(DEST_QUALITY / 100F);
imageWriter.write(null, new IIOImage(destBufferedImage, null, null), imageWriteParam);
imageOutputStream.flush();
} catch (IOException e) {
e.printStackTrace();
} finally {
if (graphics2D != null) {
graphics2D.dispose();
}
if (imageWriter != null) {
imageWriter.dispose();
}
if (imageOutputStream != null) {
try {
imageOutputStream.close();
} catch (IOException e) {
}
}
}
} else {
String gravity = "SouthEast";
if (watermarkPosition == WatermarkPosition.topLeft) {
gravity = "NorthWest";
} else if (watermarkPosition == WatermarkPosition.topRight) {
gravity = "NorthEast";
} else if (watermarkPosition == WatermarkPosition.center) {
gravity = "Center";
} else if (watermarkPosition == WatermarkPosition.bottomLeft) {
gravity = "SouthWest";
} else if (watermarkPosition == WatermarkPosition.bottomRight) {
gravity = "SouthEast";
}
IMOperation operation = new IMOperation();
operation.gravity(gravity);
operation.dissolve(alpha);
operation.quality((double) DEST_QUALITY);
operation.addImage(watermarkFile.getPath());
operation.addImage(srcFile.getPath());
operation.addImage(destFile.getPath());
if (type == Type.graphicsMagick) {
CompositeCmd compositeCmd = new CompositeCmd(true);
if (graphicsMagickPath != null) {
compositeCmd.setSearchPath(graphicsMagickPath);
}
try {
compositeCmd.run(operation);
} catch (IOException e) {
e.printStackTrace();
} catch (InterruptedException e) {
e.printStackTrace();
} catch (IM4JavaException e) {
e.printStackTrace();
}
} else {
CompositeCmd compositeCmd = new CompositeCmd(false);
if (imageMagickPath != null) {
compositeCmd.setSearchPath(imageMagickPath);
}
try {
compositeCmd.run(operation);
} catch (IOException e) {
e.printStackTrace();
} catch (InterruptedException e) {
e.printStackTrace();
} catch (IM4JavaException e) {
e.printStackTrace();
}
}
}
}
/**
* 添加水印.
*
* @param srcFile 源文件
* @param destFile 目标文件
* @param watermarkFile 水印文件
* @param watermarkPosition 水印位置
* @param alpha 水印透明度(0-100)
*/
public static void addWatermark(
File srcFile,
File destFile,
File watermarkFile,
WatermarkPosition watermarkPosition,
int alpha) {
if (watermarkFile == null
|| !watermarkFile.exists()
|| watermarkPosition == null
|| watermarkPosition == WatermarkPosition.no) {
return;
}
if (type == Type.jdk) {
try {
BufferedImage srcBufferedImage = ImageIO.read(srcFile);
int srcWidth = srcBufferedImage.getWidth();
int srcHeight = srcBufferedImage.getHeight();
BufferedImage destBufferedImage =
new BufferedImage(srcWidth, srcHeight, BufferedImage.TYPE_INT_RGB);
Graphics2D graphics2D = destBufferedImage.createGraphics();
graphics2D.setBackground(BACKGROUND_COLOR);
graphics2D.clearRect(0, 0, srcWidth, srcHeight);
graphics2D.drawImage(srcBufferedImage, 0, 0, null);
graphics2D.setComposite(
AlphaComposite.getInstance(AlphaComposite.SRC_ATOP, alpha / 100.0F));
BufferedImage watermarkBufferedImage = ImageIO.read(watermarkFile);
int watermarkImageWidth = watermarkBufferedImage.getWidth();
int watermarkImageHeight = watermarkBufferedImage.getHeight();
int x = srcWidth - watermarkImageWidth;
int y = srcHeight - watermarkImageHeight;
if (watermarkPosition == WatermarkPosition.topLeft) {
x = 0;
y = 0;
} else if (watermarkPosition == WatermarkPosition.topRight) {
x = srcWidth - watermarkImageWidth;
y = 0;
} else if (watermarkPosition == WatermarkPosition.center) {
x = (srcWidth - watermarkImageWidth) / 2;
y = (srcHeight - watermarkImageHeight) / 2;
} else if (watermarkPosition == WatermarkPosition.bottomLeft) {
x = 0;
y = srcHeight - watermarkImageHeight;
} else if (watermarkPosition == WatermarkPosition.bottomRight) {
x = srcWidth - watermarkImageWidth;
y = srcHeight - watermarkImageHeight;
}
graphics2D.drawImage(
watermarkBufferedImage, x, y, watermarkImageWidth, watermarkImageHeight, null);
graphics2D.dispose();
ImageIO.write(destBufferedImage, FileUtil.getExtension(destFile), destFile);
} catch (IOException e) {
throw new RuntimeException(e);
}
} else {
String gravity = "SouthEast";
if (watermarkPosition == WatermarkPosition.topLeft) {
gravity = "NorthWest";
} else if (watermarkPosition == WatermarkPosition.topRight) {
gravity = "NorthEast";
} else if (watermarkPosition == WatermarkPosition.center) {
gravity = "Center";
} else if (watermarkPosition == WatermarkPosition.bottomLeft) {
gravity = "SouthWest";
} else if (watermarkPosition == WatermarkPosition.bottomRight) {
gravity = "SouthEast";
}
IMOperation operation = new IMOperation();
operation.gravity(gravity);
operation.dissolve(alpha);
operation.quality((double) DEST_QUALITY);
operation.addImage(watermarkFile.getPath());
operation.addImage(srcFile.getPath());
operation.addImage(destFile.getPath());
if (type == Type.graphicsMagick) {
CompositeCmd compositeCmd = new CompositeCmd(true);
if (graphicsMagickPath != null) {
compositeCmd.setSearchPath(graphicsMagickPath);
}
try {
compositeCmd.run(operation);
} catch (IOException | InterruptedException | IM4JavaException e) {
throw new RuntimeException(e);
}
} else {
CompositeCmd compositeCmd = new CompositeCmd(false);
if (imageMagickPath != null) {
compositeCmd.setSearchPath(imageMagickPath);
}
try {
compositeCmd.run(operation);
} catch (IOException | InterruptedException | IM4JavaException e) {
throw new RuntimeException(e);
}
}
}
}