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Fix compression from/decompression to TYPE_INT_{RGB|BGR} BufferedImages on big endian platforms

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git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@520 632fc199-4ca6-4c93-a231-07263d6284db
This commit is contained in:
DRC
2011-03-17 07:39:25 +00:00
parent 2c74e5124d
commit 1f014c32e6
2 changed files with 40 additions and 6 deletions
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30
java/org/libjpegturbo/turbojpeg/TJCompressor.java
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@@ -29,6 +29,7 @@
package org.libjpegturbo.turbojpeg;
import java.awt.image.*;
import java.nio.*;
/**
* TurboJPEG compressor
@@ -184,15 +185,25 @@ public class TJCompressor {
int width = srcImage.getWidth();
int height = srcImage.getHeight();
int pixelFormat; boolean intPixels = false;
if(byteOrder == null)
byteOrder = ByteOrder.nativeOrder();
switch(srcImage.getType()) {
case BufferedImage.TYPE_3BYTE_BGR:
pixelFormat = TJ.PF_BGR; break;
case BufferedImage.TYPE_BYTE_GRAY:
pixelFormat = TJ.PF_GRAY; break;
case BufferedImage.TYPE_INT_BGR:
pixelFormat = TJ.PF_RGBX; intPixels = true; break;
if(byteOrder == ByteOrder.BIG_ENDIAN)
pixelFormat = TJ.PF_XBGR;
else
pixelFormat = TJ.PF_RGBX;
intPixels = true; break;
case BufferedImage.TYPE_INT_RGB:
pixelFormat = TJ.PF_BGRX; intPixels = true; break;
if(byteOrder == ByteOrder.BIG_ENDIAN)
pixelFormat = TJ.PF_XRGB;
else
pixelFormat = TJ.PF_BGRX;
intPixels = true; break;
default:
throw new Exception("Unsupported BufferedImage format");
}
@@ -313,15 +324,25 @@ public class TJCompressor {
int width = srcImage.getWidth();
int height = srcImage.getHeight();
int pixelFormat; boolean intPixels = false;
if(byteOrder == null)
byteOrder = ByteOrder.nativeOrder();
switch(srcImage.getType()) {
case BufferedImage.TYPE_3BYTE_BGR:
pixelFormat = TJ.PF_BGR; break;
case BufferedImage.TYPE_BYTE_GRAY:
pixelFormat = TJ.PF_GRAY; break;
case BufferedImage.TYPE_INT_BGR:
pixelFormat = TJ.PF_RGBX; intPixels = true; break;
if(byteOrder == ByteOrder.BIG_ENDIAN)
pixelFormat = TJ.PF_XBGR;
else
pixelFormat = TJ.PF_RGBX;
intPixels = true; break;
case BufferedImage.TYPE_INT_RGB:
pixelFormat = TJ.PF_BGRX; intPixels = true; break;
if(byteOrder == ByteOrder.BIG_ENDIAN)
pixelFormat = TJ.PF_XRGB;
else
pixelFormat = TJ.PF_BGRX;
intPixels = true; break;
default:
throw new Exception("Unsupported BufferedImage format");
}
@@ -435,4 +456,5 @@ public class TJCompressor {
private int subsamp = -1;
private int jpegQuality = -1;
private int compressedSize = 0;
private ByteOrder byteOrder = null;
};