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Add support for JPEG encoding option for HDMaps

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Mike Primm 2011-08-12 14:44:49 +08:00 • committed by mikeprimm
parent 49b38c10b7
commit d008548306
11 changed files with 72 additions and 33 deletions
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18
src/main/java/org/dynmap/utils/FileLockManager.java
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@ -6,6 +6,8 @@ import java.io.FileOutputStream;
import java.io.RandomAccessFile;
import java.util.HashMap;
import java.awt.image.BufferedImage;
import java.awt.image.DirectColorModel;
import java.awt.image.WritableRaster;
import java.io.IOException;
import javax.imageio.ImageIO;
@ -145,7 +147,21 @@ public class FileLockManager {
byte[] rslt;
synchronized(baos_lock) {
baos.reset();
ImageIO.write(img, type, baos); /* Write to byte array stream - prevent bogus I/O errors */
if(type.equals("jpg")) {
WritableRaster raster = img.getRaster();
WritableRaster newRaster = raster.createWritableChild(0, 0, img.getWidth(),
img.getHeight(), 0, 0, new int[] {0, 1, 2});
DirectColorModel cm = (DirectColorModel)img.getColorModel();
DirectColorModel newCM = new DirectColorModel(cm.getPixelSize(),
cm.getRedMask(), cm.getGreenMask(), cm.getBlueMask());
// now create the new buffer that is used ot write the image:
BufferedImage rgbBuffer = new BufferedImage(newCM, newRaster, false, null);
ImageIO.write(rgbBuffer, type, baos); /* Write to byte array stream - prevent bogus I/O errors */
rgbBuffer.flush();
}
else {
ImageIO.write(img, type, baos); /* Write to byte array stream - prevent bogus I/O errors */
}
rslt = baos.toByteArray();
}
while(!done) {