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Restore backward compatibility between libjpeg-turbo 1.3.x JAR and the new JNI library

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git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1349 632fc199-4ca6-4c93-a231-07263d6284db
This commit is contained in:
DRC
2014-08-15 14:01:21 +00:00
parent 927a10db05
commit 26dd86bd89
2 changed files with 47 additions and 45 deletions
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68
java/org/libjpegturbo/turbojpeg/TJDecompressor.java
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@@ -37,7 +37,7 @@ import java.nio.*;
public class TJDecompressor {
private static final String NO_ASSOC_ERROR =
"No source image is associated with this instance";
"No JPEG image is associated with this instance";
/**
* Create a TurboJPEG decompresssor instance.
@@ -139,9 +139,9 @@ public class TJDecompressor {
public int getWidth() throws Exception {
if (yuvImage != null)
return yuvImage.getWidth();
if (srcWidth < 1)
if (jpegWidth < 1)
throw new Exception(NO_ASSOC_ERROR);
return srcWidth;
return jpegWidth;
}
/**
@@ -154,9 +154,9 @@ public class TJDecompressor {
public int getHeight() throws Exception {
if (yuvImage != null)
return yuvImage.getHeight();
if (srcHeight < 1)
if (jpegHeight < 1)
throw new Exception(NO_ASSOC_ERROR);
return srcHeight;
return jpegHeight;
}
/**
@@ -170,11 +170,11 @@ public class TJDecompressor {
public int getSubsamp() throws Exception {
if (yuvImage != null)
return yuvImage.getSubsamp();
if (srcSubsamp < 0)
if (jpegSubsamp < 0)
throw new Exception(NO_ASSOC_ERROR);
if (srcSubsamp >= TJ.NUMSAMP)
if (jpegSubsamp >= TJ.NUMSAMP)
throw new Exception("JPEG header information is invalid");
return srcSubsamp;
return jpegSubsamp;
}
/**
@@ -188,11 +188,11 @@ public class TJDecompressor {
public int getColorspace() throws Exception {
if (yuvImage != null)
return TJ.CS_YCbCr;
if (srcColorspace < 0)
if (jpegColorspace < 0)
throw new Exception(NO_ASSOC_ERROR);
if (srcColorspace >= TJ.NUMCS)
if (jpegColorspace >= TJ.NUMCS)
throw new Exception("JPEG header information is invalid");
return srcColorspace;
return jpegColorspace;
}
/**
@@ -265,19 +265,19 @@ public class TJDecompressor {
*/
public int getScaledWidth(int desiredWidth, int desiredHeight)
throws Exception {
if (srcWidth < 1 || srcHeight < 1)
if (jpegWidth < 1 || jpegHeight < 1)
throw new Exception(NO_ASSOC_ERROR);
if (desiredWidth < 0 || desiredHeight < 0)
throw new Exception("Invalid argument in getScaledWidth()");
TJScalingFactor[] sf = TJ.getScalingFactors();
if (desiredWidth == 0)
desiredWidth = srcWidth;
desiredWidth = jpegWidth;
if (desiredHeight == 0)
desiredHeight = srcHeight;
int scaledWidth = srcWidth, scaledHeight = srcHeight;
desiredHeight = jpegHeight;
int scaledWidth = jpegWidth, scaledHeight = jpegHeight;
for (int i = 0; i < sf.length; i++) {
scaledWidth = sf[i].getScaled(srcWidth);
scaledHeight = sf[i].getScaled(srcHeight);
scaledWidth = sf[i].getScaled(jpegWidth);
scaledHeight = sf[i].getScaled(jpegHeight);
if (scaledWidth <= desiredWidth && scaledHeight <= desiredHeight)
break;
}
@@ -307,19 +307,19 @@ public class TJDecompressor {
*/
public int getScaledHeight(int desiredWidth, int desiredHeight)
throws Exception {
if (srcWidth < 1 || srcHeight < 1)
if (jpegWidth < 1 || jpegHeight < 1)
throw new Exception(NO_ASSOC_ERROR);
if (desiredWidth < 0 || desiredHeight < 0)
throw new Exception("Invalid argument in getScaledHeight()");
TJScalingFactor[] sf = TJ.getScalingFactors();
if (desiredWidth == 0)
desiredWidth = srcWidth;
desiredWidth = jpegWidth;
if (desiredHeight == 0)
desiredHeight = srcHeight;
int scaledWidth = srcWidth, scaledHeight = srcHeight;
desiredHeight = jpegHeight;
int scaledWidth = jpegWidth, scaledHeight = jpegHeight;
for (int i = 0; i < sf.length; i++) {
scaledWidth = sf[i].getScaled(srcWidth);
scaledHeight = sf[i].getScaled(srcHeight);
scaledWidth = sf[i].getScaled(jpegWidth);
scaledHeight = sf[i].getScaled(jpegHeight);
if (scaledWidth <= desiredWidth && scaledHeight <= desiredHeight)
break;
}
@@ -497,7 +497,7 @@ public class TJDecompressor {
if (scaledWidth != dstImage.getWidth() ||
scaledHeight != dstImage.getHeight())
throw new Exception("YUVImage dimensions do not match one of the scaled image sizes that TurboJPEG is capable of generating.");
if (srcSubsamp != dstImage.getSubsamp())
if (jpegSubsamp != dstImage.getSubsamp())
throw new Exception("YUVImage subsampling level does not match that of the JPEG image");
decompressToYUV(jpegBuf, jpegBufSize, dstImage.getBuf(),
@@ -510,8 +510,8 @@ public class TJDecompressor {
*/
@Deprecated
public void decompressToYUV(byte[] dstBuf, int flags) throws Exception {
YUVImage dstImage = new YUVImage(dstBuf, srcWidth, 4, srcHeight,
srcSubsamp);
YUVImage dstImage = new YUVImage(dstBuf, jpegWidth, 4, jpegHeight,
jpegSubsamp);
decompressToYUV(dstImage, flags);
}
@@ -553,9 +553,9 @@ public class TJDecompressor {
int flags) throws Exception {
if (flags < 0)
throw new Exception("Invalid argument in decompressToYUV()");
if (srcWidth < 1 || srcHeight < 1 || srcSubsamp < 0)
if (jpegWidth < 1 || jpegHeight < 1 || jpegSubsamp < 0)
throw new Exception(NO_ASSOC_ERROR);
if (srcSubsamp >= TJ.NUMSAMP)
if (jpegSubsamp >= TJ.NUMSAMP)
throw new Exception("JPEG header information is invalid");
if (yuvImage != null)
throw new Exception("Source image is the wrong type");
@@ -563,7 +563,7 @@ public class TJDecompressor {
int scaledWidth = getScaledWidth(desiredWidth, desiredHeight);
int scaledHeight = getScaledHeight(desiredWidth, desiredHeight);
YUVImage yuvImage = new YUVImage(scaledWidth, pad, scaledHeight,
srcSubsamp);
jpegSubsamp);
decompressToYUV(yuvImage, flags);
return yuvImage;
}
@@ -573,7 +573,7 @@ public class TJDecompressor {
*/
@Deprecated
public byte[] decompressToYUV(int flags) throws Exception {
YUVImage dstImage = new YUVImage(srcWidth, 4, srcHeight, srcSubsamp);
YUVImage dstImage = new YUVImage(jpegWidth, 4, jpegHeight, jpegSubsamp);
decompressToYUV(dstImage, flags);
return dstImage.getBuf();
}
@@ -855,9 +855,9 @@ public class TJDecompressor {
protected byte[] jpegBuf = null;
protected int jpegBufSize = 0;
protected YUVImage yuvImage = null;
protected int srcWidth = 0;
protected int srcHeight = 0;
protected int srcSubsamp = -1;
protected int srcColorspace = -1;
protected int jpegWidth = 0;
protected int jpegHeight = 0;
protected int jpegSubsamp = -1;
protected int jpegColorspace = -1;
private ByteOrder byteOrder = null;
};