本文整理汇总了Java中javax.imageio.ImageIO.getImageWritersBySuffix方法的典型用法代码示例。如果您正苦于以下问题：Java ImageIO.getImageWritersBySuffix方法的具体用法？Java ImageIO.getImageWritersBySuffix怎么用？Java ImageIO.getImageWritersBySuffix使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类javax.imageio.ImageIO的用法示例。
在下文中一共展示了ImageIO.getImageWritersBySuffix方法的3个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Java代码示例。
示例1: save
import javax.imageio.ImageIO; //导入方法依赖的package包/类
void save(File file) throws IOException {
ImageWriter iw = null;
String name = file.getName();
int i = name.lastIndexOf('.');
if (i >= 0) {
String extension = name.substring(i + 1);
Iterator<ImageWriter> imageWritersBySuffix = ImageIO.getImageWritersBySuffix(extension);
if (imageWritersBySuffix.hasNext()) {
iw = imageWritersBySuffix.next();
}
}
if (iw != null) {
file.delete();
ImageOutputStream ios = ImageIO.createImageOutputStream(file);
iw.setOutput(ios);
try {
iw.write((BufferedImage) image);
} finally {
iw.dispose();
ios.flush();
ios.close();
}
} else {
ImageIO.write((BufferedImage) image, "PNG", file);
}
}
示例2: testGetWriterFileSuffixes
import javax.imageio.ImageIO; //导入方法依赖的package包/类
private static void testGetWriterFileSuffixes() {
String[] suffixes = ImageIO.getWriterFileSuffixes();
for (String s : suffixes) {
Iterator<ImageWriter> it = ImageIO.getImageWritersBySuffix(s);
if (!it.hasNext()) {
throw new RuntimeException("getWriterFileSuffixes returned " +
"an unknown suffix: " + s);
}
}
}
示例3: main
import javax.imageio.ImageIO; //导入方法依赖的package包/类
public static void main(String[] args) {
Locale.setDefault(Locale.US);
final BufferedImage image
= new BufferedImage(512, 512, BufferedImage.TYPE_INT_ARGB);
final Graphics2D g2d = image.createGraphics();
try {
g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING,
RenderingHints.VALUE_ANTIALIAS_ON);
g2d.setRenderingHint(RenderingHints.KEY_RENDERING,
RenderingHints.VALUE_RENDER_QUALITY);
g2d.scale(2.0, 2.0);
g2d.setColor(Color.red);
g2d.draw(new Rectangle2D.Float(10, 10, 100, 100));
g2d.setColor(Color.blue);
g2d.fill(new Rectangle2D.Float(12, 12, 98, 98));
g2d.setColor(Color.green);
g2d.setFont(new Font(Font.SERIF, Font.BOLD, 14));
for (int i = 0; i < 15; i++) {
g2d.drawString("Testing Compression ...", 20, 20 + i * 16);
}
final String[] fileSuffixes = ImageIO.getWriterFileSuffixes();
final Set<String> testedWriterClasses = new HashSet<String>();
for (String suffix : fileSuffixes) {
if (!IGNORE_FILE_SUFFIXES.contains(suffix)) {
final Iterator<ImageWriter> itWriters
= ImageIO.getImageWritersBySuffix(suffix);
final ImageWriter writer;
final ImageWriteParam writerParams;
if (itWriters.hasNext()) {
writer = itWriters.next();
if (testedWriterClasses.add(writer.getClass().getName())) {
writerParams = writer.getDefaultWriteParam();
if (writerParams.canWriteCompressed()) {
testCompression(image, writer, writerParams, suffix);
}
}
} else {
throw new RuntimeException("Unable to get writer !");
}
}
}
} catch (IOException ioe) {
throw new RuntimeException("IO failure", ioe);
}
finally {
g2d.dispose();
}
}