本文整理匯總了Java中javax.imageio.ImageWriteParam.getCompressionTypes方法的典型用法代碼示例。如果您正苦於以下問題：Java ImageWriteParam.getCompressionTypes方法的具體用法？Java ImageWriteParam.getCompressionTypes怎麽用？Java ImageWriteParam.getCompressionTypes使用的例子？那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在類javax.imageio.ImageWriteParam的用法示例。
在下文中一共展示了ImageWriteParam.getCompressionTypes方法的3個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的Java代碼示例。
示例1: ImageCompressionTypesTest
import javax.imageio.ImageWriteParam; //導入方法依賴的package包/類
public ImageCompressionTypesTest(String format) {
Iterator it = ImageIO.getImageWritersByFormatName(format);
while (it.hasNext()) {
writer = (ImageWriter) it.next();
break;
}
ImageWriteParam param = writer.getDefaultWriteParam();
param.setCompressionMode(ImageWriteParam.MODE_EXPLICIT);
System.out.println("Checking compression types for : " + format);
String compTypes[] = param.getCompressionTypes();
if (compTypes.length > 1) {
for (int i = 0; i < compTypes.length; i++) {
for (int j = i + 1; j < compTypes.length; j++) {
if (compTypes[i].equalsIgnoreCase(compTypes[j])) {
throw new RuntimeException("Duplicate compression"
+ " type exists for image format " + format);
}
}
}
}
}
示例2: test4446842
import javax.imageio.ImageWriteParam; //導入方法依賴的package包/類
private static void test4446842() {
ImageWriteParam iwp = new ImageWriteParam(null);
try {
iwp.getCompressionTypes();
throw new RuntimeException("Failed to get UOE!");
} catch (UnsupportedOperationException e) {
}
}
示例3: BMPSubsamplingTest
import javax.imageio.ImageWriteParam; //導入方法依賴的package包/類
public BMPSubsamplingTest() throws IOException {
ImageWriter writer =
ImageIO.getImageWritersByFormatName(format).next();
ImageWriteParam wparam = writer.getDefaultWriteParam();
wparam.setCompressionMode(ImageWriteParam.MODE_EXPLICIT);
String[] types = wparam.getCompressionTypes();
for (int t = 0; t < img_types.length; t++) {
int img_type = img_types[t];
System.out.println("Test for " + getImageTypeName(img_type));
BufferedImage image = getTestImage(img_type);
ImageTypeSpecifier specifier = new ImageTypeSpecifier(image);
if (!writer.getOriginatingProvider().canEncodeImage(specifier)) {
System.out.println("Writer does not support encoding this buffered image type.");
continue;
}
for(int i=0; i<types.length; i++) {
if ("BI_JPEG".equals(types[i])) {
// exclude BI_JPEG from automatic test
// due to color diffusion effect on the borders.
continue;
}
if (canEncodeImage(types[i], specifier, img_type)) {
System.out.println("compression type: " + types[i] +
" Supported for " + getImageTypeName(img_type));
} else {
System.out.println("compression type: " + types[i] +
" NOT Supported for " + getImageTypeName(img_type));
continue;
}
ImageWriteParam imageWriteParam = getImageWriteParam(writer, types[i]);
imageWriteParam.setSourceSubsampling(srcXSubsampling,
srcYSubsampling,
0, 0);
File outputFile = new File("subsampling_test_" +
getImageTypeName(img_type) + "__" +
types[i] + ".bmp");
ImageOutputStream ios =
ImageIO.createImageOutputStream(outputFile);
writer.setOutput(ios);
IIOImage iioImg = new IIOImage(image, null, null);
writer.write(null, iioImg, imageWriteParam);
ios.flush();
ios.close();
BufferedImage outputImage = ImageIO.read(outputFile);
checkTestImage(outputImage);
}
}
}