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Code formatting tweaks

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git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.3.x@968 632fc199-4ca6-4c93-a231-07263d6284db
This commit is contained in:
DRC
2013-04-27 12:36:07 +00:00
parent aba6c404c3
commit 08fcac01e6
10 changed files with 940 additions and 880 deletions
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72
java/TJBench.java
View File

@@ -32,40 +32,37 @@ import javax.imageio.*;
import java.util.*;
import org.libjpegturbo.turbojpeg.*;
class TJBench
{
class TJBench {
static final int YUVENCODE = 1;
static final int YUVDECODE = 2;
static int flags = 0, yuv = 0, quiet = 0, pf = TJ.PF_BGR;
static boolean decompOnly, doTile;
static final String pixFormatStr[] = {
static final String[] pixFormatStr = {
"RGB", "BGR", "RGBX", "BGRX", "XBGR", "XRGB", "GRAY"
};
static final String subNameLong[] = {
static final String[] subNameLong = {
"4:4:4", "4:2:2", "4:2:0", "GRAY", "4:4:0"
};
static final String subName[] = {
static final String[] subName = {
"444", "422", "420", "GRAY", "440"
};
static TJScalingFactor sf;
static int nsf = 0;
static int xformOp = TJTransform.OP_NONE, xformOpt = 0;
static double benchTime = 5.0;
static final double getTime()
{
static final double getTime() {
return (double)System.nanoTime() / 1.0e9;
}
static String sigFig(double val, int figs)
{
static String sigFig(double val, int figs) {
String format;
int digitsAfterDecimal = figs - (int)Math.ceil(Math.log10(Math.abs(val)));
if (digitsAfterDecimal < 1)
@@ -76,19 +73,18 @@ class TJBench
}
static byte[] loadImage(String fileName, int[] w, int[] h, int pf)
throws Exception
{
static byte[] loadImage(String fileName, int[] w, int[] h, int pixelFormat)
throws Exception {
BufferedImage img = ImageIO.read(new File(fileName));
if (img == null)
throw new Exception("Could not read " + fileName);
w[0] = img.getWidth();
h[0] = img.getHeight();
int rgb[] = img.getRGB(0, 0, w[0], h[0], null, 0, w[0]);
int ps = TJ.getPixelSize(pf);
int rindex = TJ.getRedOffset(pf);
int gindex = TJ.getGreenOffset(pf);
int bindex = TJ.getBlueOffset(pf);
int[] rgb = img.getRGB(0, 0, w[0], h[0], null, 0, w[0]);
int ps = TJ.getPixelSize(pixelFormat);
int rindex = TJ.getRedOffset(pixelFormat);
int gindex = TJ.getGreenOffset(pixelFormat);
int bindex = TJ.getBlueOffset(pixelFormat);
byte[] dstBuf = new byte[w[0] * h[0] * ps];
int pixels = w[0] * h[0], dstPtr = 0, rgbPtr = 0;
while (pixels-- > 0) {
@@ -102,15 +98,14 @@ class TJBench
}
static void saveImage(String fileName, byte[] srcBuf, int w, int h, int pf)
throws Exception
{
static void saveImage(String fileName, byte[] srcBuf, int w, int h,
int pixelFormat) throws Exception {
BufferedImage img = new BufferedImage(w, h, BufferedImage.TYPE_INT_RGB);
int pixels = w * h, srcPtr = 0;
int ps = TJ.getPixelSize(pf);
int rindex = TJ.getRedOffset(pf);
int gindex = TJ.getGreenOffset(pf);
int bindex = TJ.getBlueOffset(pf);
int ps = TJ.getPixelSize(pixelFormat);
int rindex = TJ.getRedOffset(pixelFormat);
int gindex = TJ.getGreenOffset(pixelFormat);
int bindex = TJ.getBlueOffset(pixelFormat);
for (int y = 0; y < h; y++) {
for (int x = 0; x < w; x++, srcPtr += ps) {
int pixel = (srcBuf[srcPtr + rindex] & 0xff) << 16 |
@@ -127,8 +122,7 @@ class TJBench
static void decompTest(byte[] srcBuf, byte[][] jpegBuf, int[] jpegSize,
byte[] dstBuf, int w, int h, int subsamp,
int jpegQual, String fileName, int tilew, int tileh)
throws Exception
{
throws Exception {
String qualStr = new String(""), sizeStr, tempStr;
TJDecompressor tjd;
double start, elapsed;
@@ -221,7 +215,8 @@ class TJBench
int lum = (int)((double)(srcBuf[rindex] & 0xff) * 0.299 +
(double)(srcBuf[gindex] & 0xff) * 0.587 +
(double)(srcBuf[bindex] & 0xff) * 0.114 + 0.5);
if (lum > 255) lum = 255; if (lum < 0) lum = 0;
if (lum > 255) lum = 255;
if (lum < 0) lum = 0;
dstBuf[rindex] = (byte)Math.abs((dstBuf[rindex] & 0xff) - lum);
dstBuf[gindex] = (byte)Math.abs((dstBuf[gindex] & 0xff) - lum);
dstBuf[bindex] = (byte)Math.abs((dstBuf[bindex] & 0xff) - lum);
@@ -241,8 +236,7 @@ class TJBench
static void doTestYUV(byte[] srcBuf, int w, int h, int subsamp,
String fileName) throws Exception
{
String fileName) throws Exception {
TJCompressor tjc;
byte[] dstBuf;
double start, elapsed;
@@ -304,8 +298,7 @@ class TJBench
static void doTest(byte[] srcBuf, int w, int h, int subsamp, int jpegQual,
String fileName) throws Exception
{
String fileName) throws Exception {
TJCompressor tjc;
byte[] tmpBuf;
byte[][] jpegBuf;
@@ -418,8 +411,7 @@ class TJBench
}
static void doDecompTest(String fileName) throws Exception
{
static void doDecompTest(String fileName) throws Exception {
TJTransformer tjt;
byte[][] jpegBuf;
byte[] srcBuf;
@@ -510,7 +502,7 @@ class TJBench
_ntilesw = (_w + _tilew - 1) / _tilew;
_ntilesh = (_h + _tileh - 1) / _tileh;
TJTransform t[] = new TJTransform[_ntilesw * _ntilesh];
TJTransform[] t = new TJTransform[_ntilesw * _ntilesh];
jpegBuf = new byte[_ntilesw * _ntilesh][TJ.bufSize(_tilew, _tileh, subsamp)];
for (y = 0, tile = 0; y < _h; y += _tileh) {
@@ -583,10 +575,9 @@ class TJBench
}
static void usage() throws Exception
{
static void usage() throws Exception {
int i;
TJScalingFactor scalingFactors[] = TJ.getScalingFactors();
TJScalingFactor[] scalingFactors = TJ.getScalingFactors();
int nsf = scalingFactors.length;
String className = new TJBench().getClass().getName();
@@ -641,8 +632,7 @@ class TJBench
}
public static void main(String argv[])
{
public static void main(String[] argv) {
byte[] srcBuf = null; int w = 0, h = 0;
int minQual = -1, maxQual = -1;
int minArg = 1; int retval = 0;
@@ -751,7 +741,7 @@ class TJBench
} catch(Exception e) {}
if (temp2 <= 0) temp2 = 1;
if (temp1 > 0) {
TJScalingFactor scalingFactors[] = TJ.getScalingFactors();
TJScalingFactor[] scalingFactors = TJ.getScalingFactors();
for (int j = 0; j < scalingFactors.length; j++) {
if ((double)temp1 / (double)temp2 ==
(double)scalingFactors[j].getNum() /

137
java/TJExample.java
View File

@@ -53,10 +53,13 @@ public class TJExample implements TJCustomFilter {
System.out.print(" output image by a factor of M/N (M/N = ");
for (int i = 0; i < sf.length; i++) {
System.out.print(sf[i].getNum() + "/" + sf[i].getDenom());
if(sf.length == 2 && i != sf.length - 1) System.out.print(" or ");
if (sf.length == 2 && i != sf.length - 1)
System.out.print(" or ");
else if (sf.length > 2) {
if(i != sf.length - 1) System.out.print(", ");
if(i == sf.length - 2) System.out.print("or ");
if (i != sf.length - 1)
System.out.print(", ");
if (i == sf.length - 2)
System.out.print("or ");
}
}
System.out.println(")\n");
@@ -90,13 +93,14 @@ public class TJExample implements TJCustomFilter {
System.exit(1);
}
private final static String sampName[] = {
private static final String[] sampName = {
"4:4:4", "4:2:2", "4:2:0", "Grayscale", "4:4:0"
};
public static void main(String argv[]) {
public static void main(String[] argv) {
BufferedImage img = null; byte[] bmpBuf = null;
BufferedImage img = null;
byte[] bmpBuf = null;
TJTransform xform = new TJTransform();
int flags = 0;
@@ -115,9 +119,10 @@ public class TJExample implements TJCustomFilter {
if (argv.length > 1) {
for (int i = 1; i < argv.length; i++) {
if(argv[i].length() < 2) continue;
if(argv[i].length() > 2
&& argv[i].substring(0, 3).equalsIgnoreCase("-sc")) {
if (argv[i].length() < 2)
continue;
if (argv[i].length() > 2 &&
argv[i].substring(0, 3).equalsIgnoreCase("-sc")) {
int match = 0;
if (i < argv.length - 1) {
String[] scaleArg = argv[++i].split("/");
@@ -128,7 +133,8 @@ public class TJExample implements TJCustomFilter {
for (int j = 0; j < sf.length; j++) {
if (tempsf.equals(sf[j])) {
scaleFactor = sf[j];
match = 1; break;
match = 1;
break;
}
}
}
@@ -137,26 +143,32 @@ public class TJExample implements TJCustomFilter {
}
if (argv[i].equalsIgnoreCase("-h") || argv[i].equalsIgnoreCase("-?"))
usage();
if(argv[i].length() > 2
&& argv[i].substring(0, 3).equalsIgnoreCase("-sa")) {
if (argv[i].length() > 2 &&
argv[i].substring(0, 3).equalsIgnoreCase("-sa")) {
if (i < argv.length - 1) {
i++;
if (argv[i].substring(0, 1).equalsIgnoreCase("g"))
outSubsamp = TJ.SAMP_GRAY;
else if(argv[i].equals("444")) outSubsamp = TJ.SAMP_444;
else if(argv[i].equals("422")) outSubsamp = TJ.SAMP_422;
else if(argv[i].equals("420")) outSubsamp = TJ.SAMP_420;
else usage();
}
else usage();
else if (argv[i].equals("444"))
outSubsamp = TJ.SAMP_444;
else if (argv[i].equals("422"))
outSubsamp = TJ.SAMP_422;
else if (argv[i].equals("420"))
outSubsamp = TJ.SAMP_420;
else
usage();
} else
usage();
}
if (argv[i].substring(0, 2).equalsIgnoreCase("-q")) {
if (i < argv.length - 1) {
int qual = Integer.parseInt(argv[++i]);
if(qual >= 1 && qual <= 100) outQual = qual;
else usage();
}
else usage();
if (qual >= 1 && qual <= 100)
outQual = qual;
else
usage();
} else
usage();
}
if (argv[i].substring(0, 2).equalsIgnoreCase("-g"))
xform.options |= TJTransform.OPT_GRAY;
@@ -176,20 +188,26 @@ public class TJExample implements TJCustomFilter {
xform.op = TJTransform.OP_ROT270;
if (argv[i].equalsIgnoreCase("-custom"))
xform.cf = new TJExample();
else if(argv[i].length() > 2
&& argv[i].substring(0, 2).equalsIgnoreCase("-c")) {
if(i >= argv.length - 1) usage();
else if (argv[i].length() > 2 &&
argv[i].substring(0, 2).equalsIgnoreCase("-c")) {
if (i >= argv.length - 1)
usage();
String[] cropArg = argv[++i].split(",");
if(cropArg.length != 3) usage();
if (cropArg.length != 3)
usage();
String[] dimArg = cropArg[2].split("[xX]");
if(dimArg.length != 2) usage();
if (dimArg.length != 2)
usage();
int tempx = Integer.parseInt(cropArg[0]);
int tempy = Integer.parseInt(cropArg[1]);
int tempw = Integer.parseInt(dimArg[0]);
int temph = Integer.parseInt(dimArg[1]);
if(tempx < 0 || tempy < 0 || tempw < 0 || temph < 0) usage();
xform.x = tempx; xform.y = tempy;
xform.width = tempw; xform.height = temph;
if (tempx < 0 || tempy < 0 || tempw < 0 || temph < 0)
usage();
xform.x = tempx;
xform.y = tempy;
xform.width = tempw;
xform.height = temph;
xform.options |= TJTransform.OPT_CROP;
}
if (argv[i].substring(0, 2).equalsIgnoreCase("-d"))
@@ -212,7 +230,8 @@ public class TJExample implements TJCustomFilter {
if (inFileTokens.length > 1)
inFormat = inFileTokens[inFileTokens.length - 1];
String[] outFileTokens;
if(display) outFormat = "bmp";
if (display)
outFormat = "bmp";
else {
outFileTokens = argv[1].split("\\.");
if (outFileTokens.length > 1)
@@ -234,27 +253,28 @@ public class TJExample implements TJCustomFilter {
fis.close();
TJDecompressor tjd;
if(xform.op != TJTransform.OP_NONE || xform.options != 0
|| xform.cf != null) {
if (xform.op != TJTransform.OP_NONE || xform.options != 0 ||
xform.cf != null) {
TJTransformer tjt = new TJTransformer(inputBuf);
TJTransform t[] = new TJTransform[1];
TJTransform[] t = new TJTransform[1];
t[0] = xform;
t[0].options |= TJTransform.OPT_TRIM;
TJDecompressor[] tjdx = tjt.transform(t, 0);
tjd = tjdx[0];
}
else tjd = new TJDecompressor(inputBuf);
} else
tjd = new TJDecompressor(inputBuf);
width = tjd.getWidth();
height = tjd.getHeight();
int inSubsamp = tjd.getSubsamp();
System.out.println("Source Image: " + width + " x " + height
+ " pixels, " + sampName[inSubsamp] + " subsampling");
if(outSubsamp < 0) outSubsamp = inSubsamp;
System.out.println("Source Image: " + width + " x " + height +
" pixels, " + sampName[inSubsamp] + " subsampling");
if (outSubsamp < 0)
outSubsamp = inSubsamp;
if(outFormat.equalsIgnoreCase("jpg")
&& (xform.op != TJTransform.OP_NONE || xform.options != 0)
&& scaleFactor.isOne()) {
if (outFormat.equalsIgnoreCase("jpg") &&
(xform.op != TJTransform.OP_NONE || xform.options != 0) &&
scaleFactor.isOne()) {
file = new File(argv[1]);
FileOutputStream fos = new FileOutputStream(file);
fos.write(tjd.getJPEGBuf(), 0, tjd.getJPEGSize());
@@ -268,10 +288,10 @@ public class TJExample implements TJCustomFilter {
if (!outFormat.equalsIgnoreCase("jpg"))
img = tjd.decompress(width, height, BufferedImage.TYPE_INT_RGB,
flags);
else bmpBuf = tjd.decompress(width, 0, height, TJ.PF_BGRX, flags);
else
bmpBuf = tjd.decompress(width, 0, height, TJ.PF_BGRX, flags);
tjd.close();
}
else {
} else {
img = ImageIO.read(file);
if (img == null)
throw new Exception("Input image type not supported.");
@@ -280,23 +300,23 @@ public class TJExample implements TJCustomFilter {
if (outSubsamp < 0) {
if (img.getType() == BufferedImage.TYPE_BYTE_GRAY)
outSubsamp = TJ.SAMP_GRAY;
else outSubsamp = TJ.SAMP_444;
else
outSubsamp = TJ.SAMP_444;
}
}
System.gc();
if (!display)
System.out.print("Dest. Image (" + outFormat + "): " + width + " x "
+ height + " pixels");
System.out.print("Dest. Image (" + outFormat + "): " + width + " x " +
height + " pixels");
if (display) {
ImageIcon icon = new ImageIcon(img);
JLabel label = new JLabel(icon, JLabel.CENTER);
JOptionPane.showMessageDialog(null, label, "Output Image",
JOptionPane.PLAIN_MESSAGE);
}
else if(outFormat.equalsIgnoreCase("jpg")) {
System.out.println(", " + sampName[outSubsamp]
+ " subsampling, quality = " + outQual);
} else if (outFormat.equalsIgnoreCase("jpg")) {
System.out.println(", " + sampName[outSubsamp] +
" subsampling, quality = " + outQual);
TJCompressor tjc = new TJCompressor();
int jpegSize;
byte[] jpegBuf;
@@ -316,27 +336,26 @@ public class TJExample implements TJCustomFilter {
FileOutputStream fos = new FileOutputStream(file);
fos.write(jpegBuf, 0, jpegSize);
fos.close();
}
else {
} else {
System.out.print("\n");
file = new File(argv[1]);
ImageIO.write(img, outFormat, file);
}
}
catch(Exception e) {
} catch(Exception e) {
e.printStackTrace();
System.exit(-1);
}
}
public void customFilter(ShortBuffer coeffBuffer, Rectangle bufferRegion,
Rectangle planeRegion, int componentIndex, int transformIndex,
TJTransform transform) throws Exception {
Rectangle planeRegion, int componentIndex,
int transformIndex, TJTransform transform)
throws Exception {
for (int i = 0; i < bufferRegion.width * bufferRegion.height; i++) {
coeffBuffer.put(i, (short)(-coeffBuffer.get(i)));
}
}
static TJScalingFactor sf [] = null;
static TJScalingFactor[] sf = null;
};

354
java/TJUnitTest.java
View File

@@ -50,48 +50,48 @@ public class TJUnitTest {
System.exit(1);
}
private final static String subNameLong[] = {
private static final String[] subNameLong = {
"4:4:4", "4:2:2", "4:2:0", "GRAY", "4:4:0"
};
private final static String subName[] = {
private static final String[] subName = {
"444", "422", "420", "GRAY", "440"
};
private final static String pixFormatStr[] = {
private static final String[] pixFormatStr = {
"RGB", "BGR", "RGBX", "BGRX", "XBGR", "XRGB", "Grayscale",
"RGBA", "BGRA", "ABGR", "ARGB"
};
private final static int alphaOffset[] = {
private static final int[] alphaOffset = {
-1, -1, -1, -1, -1, -1, -1, 3, 3, 0, 0
};
private final static int _3byteFormats[] = {
private static final int[] _3byteFormats = {
TJ.PF_RGB, TJ.PF_BGR
};
private final static int _3byteFormatsBI[] = {
private static final int[] _3byteFormatsBI = {
BufferedImage.TYPE_3BYTE_BGR
};
private final static int _4byteFormats[] = {
private static final int[] _4byteFormats = {
TJ.PF_RGBX, TJ.PF_BGRX, TJ.PF_XBGR, TJ.PF_XRGB
};
private final static int _4byteFormatsBI[] = {
private static final int[] _4byteFormatsBI = {
BufferedImage.TYPE_INT_BGR, BufferedImage.TYPE_INT_RGB,
BufferedImage.TYPE_4BYTE_ABGR, BufferedImage.TYPE_4BYTE_ABGR_PRE,
BufferedImage.TYPE_INT_ARGB, BufferedImage.TYPE_INT_ARGB_PRE
};
private final static int onlyGray[] = {
private static final int[] onlyGray = {
TJ.PF_GRAY
};
private final static int onlyGrayBI[] = {
private static final int[] onlyGrayBI = {
BufferedImage.TYPE_BYTE_GRAY
};
private final static int onlyRGB[] = {
private static final int[] onlyRGB = {
TJ.PF_RGB
};
private final static int YUVENCODE = 1;
private final static int YUVDECODE = 2;
private static final int YUVENCODE = 1;
private static final int YUVDECODE = 2;
private static int yuv = 0;
private static boolean bi = false;
@@ -149,7 +149,6 @@ public class TJUnitTest {
return "Unknown";
}
private static double getTime() {
return (double)System.nanoTime() / 1.0e9;
}
@@ -169,10 +168,12 @@ public class TJUnitTest {
for (col = 0; col < w; col++) {
if ((flags & TJ.FLAG_BOTTOMUP) != 0)
index = pitch * (h - row - 1) + col;
else index = pitch * row + col;
else
index = pitch * row + col;
if (((row / 8) + (col / 8)) % 2 == 0)
buf[index] = (row < halfway) ? (byte)255 : 0;
else buf[index] = (row < halfway) ? 76 : (byte)226;
else
buf[index] = (row < halfway) ? 76 : (byte)226;
}
}
return;
@@ -181,19 +182,21 @@ public class TJUnitTest {
for (col = 0; col < w; col++) {
if ((flags & TJ.FLAG_BOTTOMUP) != 0)
index = pitch * (h - row - 1) + col * ps;
else index = pitch * row + col * ps;
else
index = pitch * row + col * ps;
if (((row / 8) + (col / 8)) % 2 == 0) {
if (row < halfway) {
buf[index + roffset] = (byte)255;
buf[index + goffset] = (byte)255;
buf[index + boffset] = (byte)255;
}
}
else {
} else {
buf[index + roffset] = (byte)255;
if(row >= halfway) buf[index + goffset] = (byte)255;
if (row >= halfway)
buf[index + goffset] = (byte)255;
}
if (aoffset >= 0) buf[index + aoffset] = (byte)255;
if (aoffset >= 0)
buf[index + aoffset] = (byte)255;
}
}
}
@@ -211,19 +214,21 @@ public class TJUnitTest {
for (col = 0; col < w; col++) {
if ((flags & TJ.FLAG_BOTTOMUP) != 0)
index = pitch * (h - row - 1) + col;
else index = pitch * row + col;
else
index = pitch * row + col;
if (((row / 8) + (col / 8)) % 2 == 0) {
if (row < halfway) {
buf[index] |= (255 << rshift);
buf[index] |= (255 << gshift);
buf[index] |= (255 << bshift);
}
}
else {
} else {
buf[index] |= (255 << rshift);
if(row >= halfway) buf[index] |= (255 << gshift);
if (row >= halfway)
buf[index] |= (255 << gshift);
}
if (ashift >= 0) buf[index] |= (255 << ashift);
if (ashift >= 0)
buf[index] |= (255 << ashift);
}
}
}
@@ -232,18 +237,17 @@ public class TJUnitTest {
throws Exception {
WritableRaster wr = img.getRaster();
int imgType = img.getType();
if(imgType == BufferedImage.TYPE_INT_RGB
|| imgType == BufferedImage.TYPE_INT_BGR
|| imgType == BufferedImage.TYPE_INT_ARGB
|| imgType == BufferedImage.TYPE_INT_ARGB_PRE) {
if (imgType == BufferedImage.TYPE_INT_RGB ||
imgType == BufferedImage.TYPE_INT_BGR ||
imgType == BufferedImage.TYPE_INT_ARGB ||
imgType == BufferedImage.TYPE_INT_ARGB_PRE) {
SinglePixelPackedSampleModel sm =
(SinglePixelPackedSampleModel)img.getSampleModel();
int pitch = sm.getScanlineStride();
DataBufferInt db = (DataBufferInt)wr.getDataBuffer();
int[] buf = db.getData();
initIntBuf(buf, img.getWidth(), pitch, img.getHeight(), pf, flags);
}
else {
} else {
ComponentSampleModel sm = (ComponentSampleModel)img.getSampleModel();
int pitch = sm.getScanlineStride();
DataBufferByte db = (DataBufferByte)wr.getDataBuffer();
@@ -256,8 +260,8 @@ public class TJUnitTest {
throws Exception {
v = (v < 0) ? v + 256 : v;
if (v < cv - 1 || v > cv + 1) {
throw new Exception("\nComp. " + vname + " at " + row + "," + col
+ " should be " + cv + ", not " + v + "\n");
throw new Exception("\nComp. " + vname + " at " + row + "," + col +
" should be " + cv + ", not " + v + "\n");
}
}
@@ -265,8 +269,8 @@ public class TJUnitTest {
throws Exception {
v = (v < 0) ? v + 256 : v;
if (v > 1) {
throw new Exception("\nComp. " + vname + " at " + row + "," + col
+ " should be 0, not " + v + "\n");
throw new Exception("\nComp. " + vname + " at " + row + "," + col +
" should be 0, not " + v + "\n");
}
}
@@ -274,13 +278,14 @@ public class TJUnitTest {
throws Exception {
v = (v < 0) ? v + 256 : v;
if (v < 254) {
throw new Exception("\nComp. " + vname + " at " + row + "," + col
+ " should be 255, not " + v + "\n");
throw new Exception("\nComp. " + vname + " at " + row + "," + col +
" should be 255, not " + v + "\n");
}
}
private static int checkBuf(byte[] buf, int w, int pitch, int h, int pf,
int subsamp, TJScalingFactor sf, int flags) throws Exception {
int subsamp, TJScalingFactor sf, int flags)
throws Exception {
int roffset = TJ.getRedOffset(pf);
int goffset = TJ.getGreenOffset(pf);
int boffset = TJ.getBlueOffset(pf);
@@ -295,7 +300,8 @@ public class TJUnitTest {
for (col = 0; col < w; col++) {
if ((flags & TJ.FLAG_BOTTOMUP) != 0)
index = pitch * (h - row - 1) + col * ps;
else index = pitch * row + col * ps;
else
index = pitch * row + col * ps;
byte r = buf[index + roffset];
byte g = buf[index + goffset];
byte b = buf[index + boffset];
@@ -305,32 +311,27 @@ public class TJUnitTest {
checkVal255(row, col, r, "R");
checkVal255(row, col, g, "G");
checkVal255(row, col, b, "B");
}
else {
} else {
checkVal0(row, col, r, "R");
checkVal0(row, col, g, "G");
checkVal0(row, col, b, "B");
}
}
else {
} else {
if (subsamp == TJ.SAMP_GRAY) {
if (row < halfway) {
checkVal(row, col, r, "R", 76);
checkVal(row, col, g, "G", 76);
checkVal(row, col, b, "B", 76);
}
else {
} else {
checkVal(row, col, r, "R", 226);
checkVal(row, col, g, "G", 226);
checkVal(row, col, b, "B", 226);
}
}
else {
} else {
checkVal255(row, col, r, "R");
if (row < halfway) {
checkVal0(row, col, g, "G");
}
else {
} else {
checkVal255(row, col, g, "G");
}
checkVal0(row, col, b, "B");
@@ -339,8 +340,7 @@ public class TJUnitTest {
checkVal255(row, col, a, "A");
}
}
}
catch(Exception e) {
} catch(Exception e) {
System.out.println(e);
retval = 0;
}
@@ -352,7 +352,9 @@ public class TJUnitTest {
int r = buf[pitch * row + col * ps + roffset];
int g = buf[pitch * row + col * ps + goffset];
int b = buf[pitch * row + col * ps + boffset];
if(r < 0) r += 256; if(g < 0) g += 256; if(b < 0) b += 256;
if (r < 0) r += 256;
if (g < 0) g += 256;
if (b < 0) b += 256;
System.out.format("%3d/%3d/%3d ", r, g, b);
}
System.out.print("\n");
@@ -362,7 +364,8 @@ public class TJUnitTest {
}
private static int checkIntBuf(int[] buf, int w, int pitch, int h, int pf,
int subsamp, TJScalingFactor sf, int flags) throws Exception {
int subsamp, TJScalingFactor sf, int flags)
throws Exception {
int rshift = TJ.getRedOffset(pf) * 8;
int gshift = TJ.getGreenOffset(pf) * 8;
int bshift = TJ.getBlueOffset(pf) * 8;
@@ -376,7 +379,8 @@ public class TJUnitTest {
for (col = 0; col < w; col++) {
if ((flags & TJ.FLAG_BOTTOMUP) != 0)
index = pitch * (h - row - 1) + col;
else index = pitch * row + col;
else
index = pitch * row + col;
int r = (buf[index] >> rshift) & 0xFF;
int g = (buf[index] >> gshift) & 0xFF;
int b = (buf[index] >> bshift) & 0xFF;
@@ -386,32 +390,27 @@ public class TJUnitTest {
checkVal255(row, col, r, "R");
checkVal255(row, col, g, "G");
checkVal255(row, col, b, "B");
}
else {
} else {
checkVal0(row, col, r, "R");
checkVal0(row, col, g, "G");
checkVal0(row, col, b, "B");
}
}
else {
} else {
if (subsamp == TJ.SAMP_GRAY) {
if (row < halfway) {
checkVal(row, col, r, "R", 76);
checkVal(row, col, g, "G", 76);
checkVal(row, col, b, "B", 76);
}
else {
} else {
checkVal(row, col, r, "R", 226);
checkVal(row, col, g, "G", 226);
checkVal(row, col, b, "B", 226);
}
}
else {
} else {
checkVal255(row, col, r, "R");
if (row < halfway) {
checkVal0(row, col, g, "G");
}
else {
} else {
checkVal255(row, col, g, "G");
}
checkVal0(row, col, b, "B");
@@ -420,8 +419,7 @@ public class TJUnitTest {
checkVal255(row, col, a, "A");
}
}
}
catch(Exception e) {
} catch(Exception e) {
System.out.println(e);
retval = 0;
}
@@ -433,7 +431,9 @@ public class TJUnitTest {
int r = (buf[pitch * row + col] >> rshift) & 0xFF;
int g = (buf[pitch * row + col] >> gshift) & 0xFF;
int b = (buf[pitch * row + col] >> bshift) & 0xFF;
if(r < 0) r += 256; if(g < 0) g += 256; if(b < 0) b += 256;
if (r < 0) r += 256;
if (g < 0) g += 256;
if (b < 0) b += 256;
System.out.format("%3d/%3d/%3d ", r, g, b);
}
System.out.print("\n");
@@ -442,14 +442,14 @@ public class TJUnitTest {
return retval;
}
private static int checkImg(BufferedImage img, int pf,
int subsamp, TJScalingFactor sf, int flags) throws Exception {
private static int checkImg(BufferedImage img, int pf, int subsamp,
TJScalingFactor sf, int flags) throws Exception {
WritableRaster wr = img.getRaster();
int imgType = img.getType();
if(imgType == BufferedImage.TYPE_INT_RGB
|| imgType == BufferedImage.TYPE_INT_BGR
|| imgType == BufferedImage.TYPE_INT_ARGB
|| imgType == BufferedImage.TYPE_INT_ARGB_PRE) {
if (imgType == BufferedImage.TYPE_INT_RGB ||
imgType == BufferedImage.TYPE_INT_BGR ||
imgType == BufferedImage.TYPE_INT_ARGB ||
imgType == BufferedImage.TYPE_INT_ARGB_PRE) {
SinglePixelPackedSampleModel sm =
(SinglePixelPackedSampleModel)img.getSampleModel();
int pitch = sm.getScanlineStride();
@@ -457,8 +457,7 @@ public class TJUnitTest {
int[] buf = db.getData();
return checkIntBuf(buf, img.getWidth(), pitch, img.getHeight(), pf,
subsamp, sf, flags);
}
else {
} else {
ComponentSampleModel sm = (ComponentSampleModel)img.getSampleModel();
int pitch = sm.getScanlineStride();
DataBufferByte db = (DataBufferByte)wr.getDataBuffer();
@@ -480,25 +479,28 @@ public class TJUnitTest {
int cw = pw / hsf, ch = ph / vsf;
int ypitch = PAD(pw, 4), uvpitch = PAD(cw, 4);
int retval = 1;
int correctsize = ypitch * ph
+ (subsamp == TJ.SAMP_GRAY ? 0 : uvpitch * ch * 2);
int correctsize = ypitch * ph +
(subsamp == TJ.SAMP_GRAY ? 0 : uvpitch * ch * 2);
int halfway = 16;
try {
if (size != correctsize)
throw new Exception("\nIncorrect size " + size + ". Should be "
+ correctsize);
throw new Exception("\nIncorrect size " + size + ". Should be " +
correctsize);
for (row = 0; row < ph; row++) {
for (col = 0; col < pw; col++) {
byte y = buf[ypitch * row + col];
if (((row / 8) + (col / 8)) % 2 == 0) {
if(row < halfway) checkVal255(row, col, y, "Y");
else checkVal0(row, col, y, "Y");
}
else {
if(row < halfway) checkVal(row, col, y, "Y", 76);
else checkVal(row, col, y, "Y", 226);
if (row < halfway)
checkVal255(row, col, y, "Y");
else
checkVal0(row, col, y, "Y");
} else {
if (row < halfway)
checkVal(row, col, y, "Y", 76);
else
checkVal(row, col, y, "Y", 226);
}
}
}
@@ -511,13 +513,11 @@ public class TJUnitTest {
if (((row * vsf / 8) + (col * hsf / 8)) % 2 == 0) {
checkVal(row, col, u, "U", 128);
checkVal(row, col, v, "V", 128);
}
else {
} else {
if (row < halfway) {
checkVal(row, col, u, "U", 85);
checkVal255(row, col, v, "V");
}
else {
} else {
checkVal0(row, col, u, "U");
checkVal(row, col, v, "V", 149);
}
@@ -525,8 +525,7 @@ public class TJUnitTest {
}
}
}
}
catch(Exception e) {
} catch(Exception e) {
System.out.println(e);
retval = 0;
}
@@ -573,8 +572,8 @@ public class TJUnitTest {
}
private static int compTest(TJCompressor tjc, byte[] dstBuf, int w,
int h, int pf, String baseName, int subsamp, int jpegQual,
int flags) throws Exception {
int h, int pf, String baseName, int subsamp,
int jpegQual, int flags) throws Exception {
String tempstr;
byte[] srcBuf = null;
BufferedImage img = null;
@@ -585,28 +584,32 @@ public class TJUnitTest {
if (bi) {
pf = biTypePF(imgType);
pfStr = biTypeStr(imgType);
}
else pfStr = pixFormatStr[pf];
} else
pfStr = pixFormatStr[pf];
ps = TJ.getPixelSize(pf);
System.out.print(pfStr + " ");
if(bi) System.out.print("(" + pixFormatStr[pf] + ") ");
if((flags & TJ.FLAG_BOTTOMUP) != 0) System.out.print("Bottom-Up");
else System.out.print("Top-Down ");
if (bi)
System.out.print("(" + pixFormatStr[pf] + ") ");
if ((flags & TJ.FLAG_BOTTOMUP) != 0)
System.out.print("Bottom-Up");
else
System.out.print("Top-Down ");
System.out.print(" -> " + subNameLong[subsamp] + " ");
if(yuv == YUVENCODE) System.out.print("YUV ... ");
else System.out.print("Q" + jpegQual + " ... ");
if (yuv == YUVENCODE)
System.out.print("YUV ... ");
else
System.out.print("Q" + jpegQual + " ... ");
if (bi) {
img = new BufferedImage(w, h, imgType);
initImg(img, pf, flags);
tempstr = baseName + "_enc_" + pfStr + "_"
+ (((flags & TJ.FLAG_BOTTOMUP) != 0) ? "BU" : "TD") + "_"
+ subName[subsamp] + "_Q" + jpegQual + ".png";
tempstr = baseName + "_enc_" + pfStr + "_" +
(((flags & TJ.FLAG_BOTTOMUP) != 0) ? "BU" : "TD") + "_" +
subName[subsamp] + "_Q" + jpegQual + ".png";
File file = new File(tempstr);
ImageIO.write(img, "png", file);
}
else {
} else {
srcBuf = new byte[w * h * ps + 1];
initBuf(srcBuf, w, w * ps, h, pf, flags);
}
@@ -616,35 +619,39 @@ public class TJUnitTest {
tjc.setSubsamp(subsamp);
tjc.setJPEGQuality(jpegQual);
if (bi) {
if(yuv == YUVENCODE) tjc.encodeYUV(img, dstBuf, flags);
else tjc.compress(img, dstBuf, flags);
}
else {
if (yuv == YUVENCODE)
tjc.encodeYUV(img, dstBuf, flags);
else
tjc.compress(img, dstBuf, flags);
} else {
tjc.setSourceImage(srcBuf, w, 0, h, pf);
if(yuv == YUVENCODE) tjc.encodeYUV(dstBuf, flags);
else tjc.compress(dstBuf, flags);
if (yuv == YUVENCODE)
tjc.encodeYUV(dstBuf, flags);
else
tjc.compress(dstBuf, flags);
}
size = tjc.getCompressedSize();
t = getTime() - t;
if (yuv == YUVENCODE)
tempstr = baseName + "_enc_" + pfStr + "_"
+ (((flags & TJ.FLAG_BOTTOMUP) != 0) ? "BU" : "TD") + "_"
+ subName[subsamp] + ".yuv";
tempstr = baseName + "_enc_" + pfStr + "_" +
(((flags & TJ.FLAG_BOTTOMUP) != 0) ? "BU" : "TD") + "_" +
subName[subsamp] + ".yuv";
else
tempstr = baseName + "_enc_" + pfStr + "_"
+ (((flags & TJ.FLAG_BOTTOMUP) != 0) ? "BU" : "TD") + "_"
+ subName[subsamp] + "_Q" + jpegQual + ".jpg";
tempstr = baseName + "_enc_" + pfStr + "_" +
(((flags & TJ.FLAG_BOTTOMUP) != 0) ? "BU" : "TD") + "_" +
subName[subsamp] + "_Q" + jpegQual + ".jpg";
writeJPEG(dstBuf, size, tempstr);
if (yuv == YUVENCODE) {
if (checkBufYUV(dstBuf, size, w, h, subsamp) == 1)
System.out.print("Passed.");
else {
System.out.print("FAILED!"); exitStatus = -1;
System.out.print("FAILED!");
exitStatus = -1;
}
}
else System.out.print("Done.");
} else
System.out.print("Done.");
System.out.format(" %.6f ms\n", t * 1000.);
System.out.println(" Result in " + tempstr);
@@ -652,8 +659,9 @@ public class TJUnitTest {
}
private static void decompTest(TJDecompressor tjd, byte[] jpegBuf,
int jpegSize, int w, int h, int pf, String baseName, int subsamp,
int flags, TJScalingFactor sf) throws Exception {
int jpegSize, int w, int h, int pf,
String baseName, int subsamp, int flags,
TJScalingFactor sf) throws Exception {
String pfStr, tempstr;
double t;
int scaledWidth = sf.getScaled(w);
@@ -667,26 +675,30 @@ public class TJUnitTest {
if (bi) {
pf = biTypePF(imgType);
pfStr = biTypeStr(imgType);
}
else pfStr = pixFormatStr[pf];
} else
pfStr = pixFormatStr[pf];
System.out.print("JPEG -> ");
if (yuv == YUVDECODE)
System.out.print("YUV " + subName[subsamp] + " ... ");
else {
System.out.print(pfStr + " ");
if(bi) System.out.print("(" + pixFormatStr[pf] + ") ");
if((flags & TJ.FLAG_BOTTOMUP) != 0) System.out.print("Bottom-Up ");
else System.out.print("Top-Down ");
if (bi)
System.out.print("(" + pixFormatStr[pf] + ") ");
if ((flags & TJ.FLAG_BOTTOMUP) != 0)
System.out.print("Bottom-Up ");
else
System.out.print("Top-Down ");
if (!sf.isOne())
System.out.print(sf.getNum() + "/" + sf.getDenom() + " ... ");
else System.out.print("... ");
else
System.out.print("... ");
}
t = getTime();
tjd.setJPEGImage(jpegBuf, jpegSize);
if(tjd.getWidth() != w || tjd.getHeight() != h
|| tjd.getSubsamp() != subsamp)
if (tjd.getWidth() != w || tjd.getHeight() != h ||
tjd.getSubsamp() != subsamp)
throw new Exception("Incorrect JPEG header");
temp1 = scaledWidth;
@@ -696,19 +708,21 @@ public class TJUnitTest {
if (temp1 != scaledWidth || temp2 != scaledHeight)
throw new Exception("Scaled size mismatch");
if(yuv == YUVDECODE) dstBuf = tjd.decompressToYUV(flags);
if (yuv == YUVDECODE)
dstBuf = tjd.decompressToYUV(flags);
else {
if (bi)
img = tjd.decompress(scaledWidth, scaledHeight, imgType, flags);
else dstBuf = tjd.decompress(scaledWidth, 0, scaledHeight, pf, flags);
else
dstBuf = tjd.decompress(scaledWidth, 0, scaledHeight, pf, flags);
}
t = getTime() - t;
if (bi) {
tempstr = baseName + "_dec_" + pfStr + "_"
+ (((flags & TJ.FLAG_BOTTOMUP) != 0) ? "BU" : "TD") + "_"
+ subName[subsamp] + "_" + (double)sf.getNum() / (double)sf.getDenom()
+ "x" + ".png";
tempstr = baseName + "_dec_" + pfStr + "_" +
(((flags & TJ.FLAG_BOTTOMUP) != 0) ? "BU" : "TD") + "_" +
subName[subsamp] + "_" +
(double)sf.getNum() / (double)sf.getDenom() + "x" + ".png";
File file = new File(tempstr);
ImageIO.write(img, "png", file);
}
@@ -719,30 +733,31 @@ public class TJUnitTest {
else {
System.out.print("FAILED!"); exitStatus = -1;
}
}
else {
if((bi && checkImg(img, pf, subsamp, sf, flags) == 1)
|| (!bi && checkBuf(dstBuf, scaledWidth, scaledWidth
* TJ.getPixelSize(pf), scaledHeight, pf, subsamp, sf, flags) == 1))
} else {
if ((bi && checkImg(img, pf, subsamp, sf, flags) == 1) ||
(!bi && checkBuf(dstBuf, scaledWidth,
scaledWidth * TJ.getPixelSize(pf), scaledHeight, pf,
subsamp, sf, flags) == 1))
System.out.print("Passed.");
else {
System.out.print("FAILED!"); exitStatus = -1;
System.out.print("FAILED!");
exitStatus = -1;
}
}
System.out.format(" %.6f ms\n", t * 1000.);
}
private static void decompTest(TJDecompressor tjd, byte[] jpegBuf,
int jpegSize, int w, int h, int pf, String baseName, int subsamp,
int jpegSize, int w, int h, int pf,
String baseName, int subsamp,
int flags) throws Exception {
int i;
if ((subsamp == TJ.SAMP_444 || subsamp == TJ.SAMP_GRAY) && yuv == 0) {
TJScalingFactor sf[] = TJ.getScalingFactors();
TJScalingFactor[] sf = TJ.getScalingFactors();
for (i = 0; i < sf.length; i++)
decompTest(tjd, jpegBuf, jpegSize, w, h, pf, baseName, subsamp,
flags, sf[i]);
}
else
} else
decompTest(tjd, jpegBuf, jpegSize, w, h, pf, baseName, subsamp,
flags, new TJScalingFactor(1, 1));
System.out.print("\n");
@@ -755,8 +770,10 @@ public class TJUnitTest {
int size;
byte[] dstBuf;
if(yuv == YUVENCODE) dstBuf = new byte[TJ.bufSizeYUV(w, h, subsamp)];
else dstBuf = new byte[TJ.bufSize(w, h, subsamp)];
if (yuv == YUVENCODE)
dstBuf = new byte[TJ.bufSizeYUV(w, h, subsamp)];
else
dstBuf = new byte[TJ.bufSize(w, h, subsamp)];
try {
tjc = new TJCompressor();
@@ -765,14 +782,16 @@ public class TJUnitTest {
for (int pf : formats) {
for (int i = 0; i < 2; i++) {
int flags = 0;
if (subsamp == TJ.SAMP_422 || subsamp == TJ.SAMP_420
|| subsamp == TJ.SAMP_440)
if (subsamp == TJ.SAMP_422 || subsamp == TJ.SAMP_420 ||
subsamp == TJ.SAMP_440)
flags |= TJ.FLAG_FASTUPSAMPLE;
if (i == 1) {
if (yuv == YUVDECODE) {
tjc.close(); tjd.close(); return;
}
else flags |= TJ.FLAG_BOTTOMUP;
tjc.close();
tjd.close();
return;
} else
flags |= TJ.FLAG_BOTTOMUP;
}
size = compTest(tjc, dstBuf, w, h, pf, baseName, subsamp, 100,
flags);
@@ -782,8 +801,7 @@ public class TJUnitTest {
baseName, subsamp, flags);
}
}
}
catch(Exception e) {
} catch(Exception e) {
if (tjc != null) tjc.close();
if (tjd != null) tjd.close();
throw e;
@@ -828,22 +846,22 @@ public class TJUnitTest {
}
}
System.out.println("Done. ");
}
catch(Exception e) {
} catch(Exception e) {
if (tjc != null) tjc.close();
throw e;
}
if (tjc != null) tjc.close();
}
public static void main(String argv[]) {
public static void main(String[] argv) {
try {
String testName = "javatest";
boolean doyuv = false;
for (int i = 0; i < argv.length; i++) {
if(argv[i].equalsIgnoreCase("-yuv")) doyuv = true;
if(argv[i].substring(0, 1).equalsIgnoreCase("-h")
|| argv[i].equalsIgnoreCase("-?"))
if (argv[i].equalsIgnoreCase("-yuv"))
doyuv = true;
if (argv[i].substring(0, 1).equalsIgnoreCase("-h") ||
argv[i].equalsIgnoreCase("-?"))
usage();
if (argv[i].equalsIgnoreCase("-bi")) {
bi = true;
@@ -851,8 +869,10 @@ public class TJUnitTest {
}
}
if (doyuv) yuv = YUVENCODE;
doTest(35, 39, bi ? _3byteFormatsBI : _3byteFormats, TJ.SAMP_444, testName);
doTest(39, 41, bi ? _4byteFormatsBI : _4byteFormats, TJ.SAMP_444, testName);
doTest(35, 39, bi ? _3byteFormatsBI : _3byteFormats, TJ.SAMP_444,
testName);
doTest(39, 41, bi ? _4byteFormatsBI : _4byteFormats, TJ.SAMP_444,
testName);
doTest(41, 35, bi ? _3byteFormatsBI : _3byteFormats, TJ.SAMP_422,
testName);
doTest(35, 39, bi ? _4byteFormatsBI : _4byteFormats, TJ.SAMP_422,
@@ -870,7 +890,8 @@ public class TJUnitTest {
testName);
doTest(41, 35, bi ? _4byteFormatsBI : _4byteFormats, TJ.SAMP_GRAY,
testName);
if(!doyuv && !bi) bufSizeTest();
if (!doyuv && !bi)
bufSizeTest();
if (doyuv && !bi) {
yuv = YUVDECODE;
doTest(48, 48, onlyRGB, TJ.SAMP_444, "javatest_yuv0");
@@ -886,8 +907,7 @@ public class TJUnitTest {
doTest(48, 48, onlyGray, TJ.SAMP_GRAY, "javatest_yuv0");
doTest(39, 41, onlyGray, TJ.SAMP_GRAY, "javatest_yuv1");
}
}
catch(Exception e) {
} catch(Exception e) {
e.printStackTrace();
exitStatus = -1;
}

72
java/org/libjpegturbo/turbojpeg/TJ.java
View File

@@ -31,38 +31,38 @@ package org.libjpegturbo.turbojpeg;
/**
* TurboJPEG utility class (cannot be instantiated)
*/
final public class TJ {
public final class TJ {
/**
* The number of chrominance subsampling options
*/
final public static int NUMSAMP = 5;
public static final int NUMSAMP = 5;
/**
* 4:4:4 chrominance subsampling (no chrominance subsampling). The JPEG
* or YUV image will contain one chrominance component for every pixel in the
* source image.
*/
final public static int SAMP_444 = 0;
public static final int SAMP_444 = 0;
/**
* 4:2:2 chrominance subsampling. The JPEG or YUV image will contain one
* chrominance component for every 2x1 block of pixels in the source image.
*/
final public static int SAMP_422 = 1;
public static final int SAMP_422 = 1;
/**
* 4:2:0 chrominance subsampling. The JPEG or YUV image will contain one
* chrominance component for every 2x2 block of pixels in the source image.
*/
final public static int SAMP_420 = 2;
public static final int SAMP_420 = 2;
/**
* Grayscale. The JPEG or YUV image will contain no chrominance components.
*/
final public static int SAMP_GRAY = 3;
public static final int SAMP_GRAY = 3;
/**
* 4:4:0 chrominance subsampling. The JPEG or YUV image will contain one
* chrominance component for every 1x2 block of pixels in the source image.
*/
final public static int SAMP_440 = 4;
public static final int SAMP_440 = 4;
/**
@@ -80,7 +80,7 @@ final public class TJ {
return mcuWidth[subsamp];
}
final private static int mcuWidth[] = {
private static final int[] mcuWidth = {
8, 16, 16, 8, 8
};
@@ -101,7 +101,7 @@ final public class TJ {
return mcuHeight[subsamp];
}
final private static int mcuHeight[] = {
private static final int[] mcuHeight = {
8, 8, 16, 8, 16
};
@@ -109,76 +109,76 @@ final public class TJ {
/**
* The number of pixel formats
*/
final public static int NUMPF = 11;
public static final int NUMPF = 11;
/**
* RGB pixel format. The red, green, and blue components in the image are
* stored in 3-byte pixels in the order R, G, B from lowest to highest byte
* address within each pixel.
*/
final public static int PF_RGB = 0;
public static final int PF_RGB = 0;
/**
* BGR pixel format. The red, green, and blue components in the image are
* stored in 3-byte pixels in the order B, G, R from lowest to highest byte
* address within each pixel.
*/
final public static int PF_BGR = 1;
public static final int PF_BGR = 1;
/**
* RGBX pixel format. The red, green, and blue components in the image are
* stored in 4-byte pixels in the order R, G, B from lowest to highest byte
* address within each pixel. The X component is ignored when compressing
* and undefined when decompressing.
*/
final public static int PF_RGBX = 2;
public static final int PF_RGBX = 2;
/**
* BGRX pixel format. The red, green, and blue components in the image are
* stored in 4-byte pixels in the order B, G, R from lowest to highest byte
* address within each pixel. The X component is ignored when compressing
* and undefined when decompressing.
*/
final public static int PF_BGRX = 3;
public static final int PF_BGRX = 3;
/**
* XBGR pixel format. The red, green, and blue components in the image are
* stored in 4-byte pixels in the order R, G, B from highest to lowest byte
* address within each pixel. The X component is ignored when compressing
* and undefined when decompressing.
*/
final public static int PF_XBGR = 4;
public static final int PF_XBGR = 4;
/**
* XRGB pixel format. The red, green, and blue components in the image are
* stored in 4-byte pixels in the order B, G, R from highest to lowest byte
* address within each pixel. The X component is ignored when compressing
* and undefined when decompressing.
*/
final public static int PF_XRGB = 5;
public static final int PF_XRGB = 5;
/**
* Grayscale pixel format. Each 1-byte pixel represents a luminance
* (brightness) level from 0 to 255.
*/
final public static int PF_GRAY = 6;
public static final int PF_GRAY = 6;
/**
* RGBA pixel format. This is the same as {@link #PF_RGBX}, except that when
* decompressing, the X byte is guaranteed to be 0xFF, which can be
* interpreted as an opaque alpha channel.
*/
final public static int PF_RGBA = 7;
public static final int PF_RGBA = 7;
/**
* BGRA pixel format. This is the same as {@link #PF_BGRX}, except that when
* decompressing, the X byte is guaranteed to be 0xFF, which can be
* interpreted as an opaque alpha channel.
*/
final public static int PF_BGRA = 8;
public static final int PF_BGRA = 8;
/**
* ABGR pixel format. This is the same as {@link #PF_XBGR}, except that when
* decompressing, the X byte is guaranteed to be 0xFF, which can be
* interpreted as an opaque alpha channel.
*/
final public static int PF_ABGR = 9;
public static final int PF_ABGR = 9;
/**
* ARGB pixel format. This is the same as {@link #PF_XRGB}, except that when
* decompressing, the X byte is guaranteed to be 0xFF, which can be
* interpreted as an opaque alpha channel.
*/
final public static int PF_ARGB = 10;
public static final int PF_ARGB = 10;
/**
@@ -194,7 +194,7 @@ final public class TJ {
return pixelSize[pixelFormat];
}
final private static int pixelSize[] = {
private static final int[] pixelSize = {
3, 3, 4, 4, 4, 4, 1, 4, 4, 4, 4
};
@@ -216,7 +216,7 @@ final public class TJ {
return redOffset[pixelFormat];
}
final private static int redOffset[] = {
private static final int[] redOffset = {
0, 2, 0, 2, 3, 1, 0, 0, 2, 3, 1
};
@@ -238,7 +238,7 @@ final public class TJ {
return greenOffset[pixelFormat];
}
final private static int greenOffset[] = {
private static final int[] greenOffset = {
1, 1, 1, 1, 2, 2, 0, 1, 1, 2, 2
};
@@ -260,7 +260,7 @@ final public class TJ {
return blueOffset[pixelFormat];
}
final private static int blueOffset[] = {
private static final int[] blueOffset = {
2, 0, 2, 0, 1, 3, 0, 2, 0, 1, 3
};
@@ -269,27 +269,27 @@ final public class TJ {
* The uncompressed source/destination image is stored in bottom-up (Windows,
* OpenGL) order, not top-down (X11) order.
*/
final public static int FLAG_BOTTOMUP = 2;
public static final int FLAG_BOTTOMUP = 2;
/**
* Turn off CPU auto-detection and force TurboJPEG to use MMX code
* (if the underlying codec supports it.)
*/
final public static int FLAG_FORCEMMX = 8;
public static final int FLAG_FORCEMMX = 8;
/**
* Turn off CPU auto-detection and force TurboJPEG to use SSE code
* (if the underlying codec supports it.)
*/
final public static int FLAG_FORCESSE = 16;
public static final int FLAG_FORCESSE = 16;
/**
* Turn off CPU auto-detection and force TurboJPEG to use SSE2 code
* (if the underlying codec supports it.)
*/
final public static int FLAG_FORCESSE2 = 32;
public static final int FLAG_FORCESSE2 = 32;
/**
* Turn off CPU auto-detection and force TurboJPEG to use SSE3 code
* (if the underlying codec supports it.)
*/
final public static int FLAG_FORCESSE3 = 128;
public static final int FLAG_FORCESSE3 = 128;
/**
* When decompressing an image that was compressed using chrominance
* subsampling, use the fastest chrominance upsampling algorithm available in
@@ -297,7 +297,7 @@ final public class TJ {
* creates a smooth transition between neighboring chrominance components in
* order to reduce upsampling artifacts in the decompressed image.
*/
final public static int FLAG_FASTUPSAMPLE = 256;
public static final int FLAG_FASTUPSAMPLE = 256;
/**
* Use the fastest DCT/IDCT algorithm available in the underlying codec. The
* default if this flag is not specified is implementation-specific. The
@@ -306,7 +306,7 @@ final public class TJ {
* effect on accuracy, but it uses the accurate algorithm when decompressing,
* because this has been shown to have a larger effect.
*/
final public static int FLAG_FASTDCT = 2048;
public static final int FLAG_FASTDCT = 2048;
/**
* Use the most accurate DCT/IDCT algorithm available in the underlying
* codec. The default if this flag is not specified is
@@ -316,7 +316,7 @@ final public class TJ {
* accurate algorithm when decompressing, because this has been shown to have
* a larger effect.
*/
final public static int FLAG_ACCURATEDCT = 4096;
public static final int FLAG_ACCURATEDCT = 4096;
/**
@@ -333,7 +333,7 @@ final public class TJ {
* @return the maximum size of the buffer (in bytes) required to hold a JPEG
* image with the given width, height, and level of chrominance subsampling
*/
public native static int bufSize(int width, int height, int jpegSubsamp)
public static native int bufSize(int width, int height, int jpegSubsamp)
throws Exception;
/**
@@ -350,7 +350,7 @@ final public class TJ {
* @return the size of the buffer (in bytes) required to hold a YUV planar
* image with the given width, height, and level of chrominance subsampling
*/
public native static int bufSizeYUV(int width, int height,
public static native int bufSizeYUV(int width, int height,
int subsamp)
throws Exception;
@@ -361,7 +361,7 @@ final public class TJ {
* @return a list of fractional scaling factors that the JPEG decompressor in
* this implementation of TurboJPEG supports
*/
public native static TJScalingFactor[] getScalingFactors()
public static native TJScalingFactor[] getScalingFactors()
throws Exception;
static {

73
java/org/libjpegturbo/turbojpeg/TJCompressor.java
View File

@@ -36,7 +36,7 @@ import java.nio.*;
*/
public class TJCompressor {
private final static String NO_ASSOC_ERROR =
private static final String NO_ASSOC_ERROR =
"No source image is associated with this instance";
/**
@@ -123,15 +123,18 @@ public class TJCompressor {
* {@link TJ TJ.PF_*})
*/
public void setSourceImage(byte[] srcImage, int x, int y, int width,
int pitch, int height, int pixelFormat) throws Exception {
int pitch, int height, int pixelFormat)
throws Exception {
if (handle == 0) init();
if(srcImage == null || x < 0 || y < 0 || width < 1 || height < 1
|| pitch < 0 || pixelFormat < 0 || pixelFormat >= TJ.NUMPF)
if (srcImage == null || x < 0 || y < 0 || width < 1 || height < 1 ||
pitch < 0 || pixelFormat < 0 || pixelFormat >= TJ.NUMPF)
throw new Exception("Invalid argument in setSourceImage()");
srcBuf = srcImage;
srcWidth = width;
if(pitch == 0) srcPitch = width * TJ.getPixelSize(pixelFormat);
else srcPitch = pitch;
if (pitch == 0)
srcPitch = width * TJ.getPixelSize(pixelFormat);
else
srcPitch = pitch;
srcHeight = height;
srcPixelFormat = pixelFormat;
srcX = x;
@@ -187,15 +190,20 @@ public class TJCompressor {
public void compress(byte[] dstBuf, int flags) throws Exception {
if (dstBuf == null || flags < 0)
throw new Exception("Invalid argument in compress()");
if(srcBuf == null) throw new Exception(NO_ASSOC_ERROR);
if(jpegQuality < 0) throw new Exception("JPEG Quality not set");
if(subsamp < 0) throw new Exception("Subsampling level not set");
if (srcBuf == null)
throw new Exception(NO_ASSOC_ERROR);
if (jpegQuality < 0)
throw new Exception("JPEG Quality not set");
if (subsamp < 0)
throw new Exception("Subsampling level not set");
if (srcX >= 0 && srcY >= 0)
compressedSize = compress(srcBuf, srcX, srcY, srcWidth, srcPitch,
srcHeight, srcPixelFormat, dstBuf, subsamp, jpegQuality, flags);
srcHeight, srcPixelFormat, dstBuf, subsamp,
jpegQuality, flags);
else
compressedSize = compress(srcBuf, srcWidth, srcPitch,
srcHeight, srcPixelFormat, dstBuf, subsamp, jpegQuality, flags);
compressedSize = compress(srcBuf, srcWidth, srcPitch, srcHeight,
srcPixelFormat, dstBuf, subsamp, jpegQuality,
flags);
}
/**
@@ -235,7 +243,8 @@ public class TJCompressor {
throw new Exception("Invalid argument in compress()");
int width = srcImage.getWidth();
int height = srcImage.getHeight();
int pixelFormat; boolean intPixels = false;
int pixelFormat;
boolean intPixels = false;
if (byteOrder == null)
byteOrder = ByteOrder.nativeOrder();
switch(srcImage.getType()) {
@@ -264,8 +273,10 @@ public class TJCompressor {
throw new Exception("Unsupported BufferedImage format");
}
WritableRaster wr = srcImage.getRaster();
if(jpegQuality < 0) throw new Exception("JPEG Quality not set");
if(subsamp < 0) throw new Exception("Subsampling level not set");
if (jpegQuality < 0)
throw new Exception("JPEG Quality not set");
if (subsamp < 0)
throw new Exception("Subsampling level not set");
if (intPixels) {
SinglePixelPackedSampleModel sm =
(SinglePixelPackedSampleModel)srcImage.getSampleModel();
@@ -274,12 +285,12 @@ public class TJCompressor {
int[] buf = db.getData();
if (srcX >= 0 && srcY >= 0)
compressedSize = compress(buf, srcX, srcY, width, pitch, height,
pixelFormat, dstBuf, subsamp, jpegQuality, flags);
pixelFormat, dstBuf, subsamp, jpegQuality,
flags);
else
compressedSize = compress(buf, width, pitch, height, pixelFormat,
dstBuf, subsamp, jpegQuality, flags);
}
else {
} else {
ComponentSampleModel sm =
(ComponentSampleModel)srcImage.getSampleModel();
int pixelSize = sm.getPixelStride();
@@ -290,7 +301,8 @@ public class TJCompressor {
byte[] buf = db.getData();
if (srcX >= 0 && srcY >= 0)
compressedSize = compress(buf, srcX, srcY, width, pitch, height,
pixelFormat, dstBuf, subsamp, jpegQuality, flags);
pixelFormat, dstBuf, subsamp, jpegQuality,
flags);
else
compressedSize = compress(buf, width, pitch, height, pixelFormat,
dstBuf, subsamp, jpegQuality, flags);
@@ -342,8 +354,10 @@ public class TJCompressor {
public void encodeYUV(byte[] dstBuf, int flags) throws Exception {
if (dstBuf == null || flags < 0)
throw new Exception("Invalid argument in compress()");
if(srcBuf == null) throw new Exception(NO_ASSOC_ERROR);
if(subsamp < 0) throw new Exception("Subsampling level not set");
if (srcBuf == null)
throw new Exception(NO_ASSOC_ERROR);
if (subsamp < 0)
throw new Exception("Subsampling level not set");
encodeYUV(srcBuf, srcWidth, srcPitch, srcHeight,
srcPixelFormat, dstBuf, subsamp, flags);
compressedSize = TJ.bufSizeYUV(srcWidth, srcHeight, subsamp);
@@ -361,7 +375,8 @@ public class TJCompressor {
public byte[] encodeYUV(int flags) throws Exception {
if (srcWidth < 1 || srcHeight < 1)
throw new Exception(NO_ASSOC_ERROR);
if(subsamp < 0) throw new Exception("Subsampling level not set");
if (subsamp < 0)
throw new Exception("Subsampling level not set");
byte[] buf = new byte[TJ.bufSizeYUV(srcWidth, srcHeight, subsamp)];
encodeYUV(buf, flags);
return buf;
@@ -425,8 +440,7 @@ public class TJCompressor {
int[] buf = db.getData();
encodeYUV(buf, width, pitch, height, pixelFormat, dstBuf, subsamp,
flags);
}
else {
} else {
ComponentSampleModel sm =
(ComponentSampleModel)srcImage.getSampleModel();
int pixelSize = sm.getPixelStride();
@@ -453,9 +467,9 @@ public class TJCompressor {
*
* @return a buffer containing a YUV planar image
*/
public byte[] encodeYUV(BufferedImage srcImage, int flags)
throws Exception {
if(subsamp < 0) throw new Exception("Subsampling level not set");
public byte[] encodeYUV(BufferedImage srcImage, int flags) throws Exception {
if (subsamp < 0)
throw new Exception("Subsampling level not set");
int width = srcImage.getWidth();
int height = srcImage.getHeight();
byte[] buf = new byte[TJ.bufSizeYUV(width, height, subsamp)];
@@ -484,9 +498,8 @@ public class TJCompressor {
protected void finalize() throws Throwable {
try {
close();
}
catch(Exception e) {}
finally {
} catch(Exception e) {
} finally {
super.finalize();
}
};

2
java/org/libjpegturbo/turbojpeg/TJCustomFilter.java
View File

@@ -69,7 +69,7 @@ public interface TJCustomFilter {
* @param transform a {@link TJTransform} instance that specifies the
* parameters and/or cropping region for this transform
*/
public void customFilter(ShortBuffer coeffBuffer, Rectangle bufferRegion,
void customFilter(ShortBuffer coeffBuffer, Rectangle bufferRegion,
Rectangle planeRegion, int componentID, int transformID,
TJTransform transform)
throws Exception;

83
java/org/libjpegturbo/turbojpeg/TJDecompressor.java
View File

@@ -36,7 +36,7 @@ import java.nio.*;
*/
public class TJDecompressor {
private final static String NO_ASSOC_ERROR =
private static final String NO_ASSOC_ERROR =
"No JPEG image is associated with this instance";
/**
@@ -97,7 +97,8 @@ public class TJDecompressor {
* instance
*/
public int getWidth() throws Exception {
if(jpegWidth < 1) throw new Exception(NO_ASSOC_ERROR);
if (jpegWidth < 1)
throw new Exception(NO_ASSOC_ERROR);
return jpegWidth;
}
@@ -109,7 +110,8 @@ public class TJDecompressor {
* instance
*/
public int getHeight() throws Exception {
if(jpegHeight < 1) throw new Exception(NO_ASSOC_ERROR);
if (jpegHeight < 1)
throw new Exception(NO_ASSOC_ERROR);
return jpegHeight;
}
@@ -121,7 +123,8 @@ public class TJDecompressor {
* associated with this decompressor instance
*/
public int getSubsamp() throws Exception {
if(jpegSubsamp < 0) throw new Exception(NO_ASSOC_ERROR);
if (jpegSubsamp < 0)
throw new Exception(NO_ASSOC_ERROR);
if (jpegSubsamp >= TJ.NUMSAMP)
throw new Exception("JPEG header information is invalid");
return jpegSubsamp;
@@ -133,7 +136,8 @@ public class TJDecompressor {
* @return the JPEG image buffer associated with this decompressor instance
*/
public byte[] getJPEGBuf() throws Exception {
if(jpegBuf == null) throw new Exception(NO_ASSOC_ERROR);
if (jpegBuf == null)
throw new Exception(NO_ASSOC_ERROR);
return jpegBuf;
}
@@ -145,7 +149,8 @@ public class TJDecompressor {
* decompressor instance
*/
public int getJPEGSize() throws Exception {
if(jpegBufSize < 1) throw new Exception(NO_ASSOC_ERROR);
if (jpegBufSize < 1)
throw new Exception(NO_ASSOC_ERROR);
return jpegBufSize;
}
@@ -175,9 +180,11 @@ public class TJDecompressor {
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 = jpegWidth;
if(desiredHeight == 0) desiredHeight = jpegHeight;
TJScalingFactor[] sf = TJ.getScalingFactors();
if (desiredWidth == 0)
desiredWidth = jpegWidth;
if (desiredHeight == 0)
desiredHeight = jpegHeight;
int scaledWidth = jpegWidth, scaledHeight = jpegHeight;
for (int i = 0; i < sf.length; i++) {
scaledWidth = sf[i].getScaled(jpegWidth);
@@ -215,9 +222,11 @@ public class TJDecompressor {
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 = jpegWidth;
if(desiredHeight == 0) desiredHeight = jpegHeight;
TJScalingFactor[] sf = TJ.getScalingFactors();
if (desiredWidth == 0)
desiredWidth = jpegWidth;
if (desiredHeight == 0)
desiredHeight = jpegHeight;
int scaledWidth = jpegWidth, scaledHeight = jpegHeight;
for (int i = 0; i < sf.length; i++) {
scaledWidth = sf[i].getScaled(jpegWidth);
@@ -284,12 +293,13 @@ public class TJDecompressor {
* @param flags the bitwise OR of one or more of {@link TJ TJ.FLAG_*}
*/
public void decompress(byte[] dstBuf, int x, int y, int desiredWidth,
int pitch, int desiredHeight, int pixelFormat, int flags)
throws Exception {
if(jpegBuf == null) throw new Exception(NO_ASSOC_ERROR);
if(dstBuf == null || x < 0 || y < 0 || desiredWidth < 0 || pitch < 0
|| desiredHeight < 0 || pixelFormat < 0 || pixelFormat >= TJ.NUMPF
|| flags < 0)
int pitch, int desiredHeight, int pixelFormat,
int flags) throws Exception {
if (jpegBuf == null)
throw new Exception(NO_ASSOC_ERROR);
if (dstBuf == null || x < 0 || y < 0 || desiredWidth < 0 || pitch < 0 ||
desiredHeight < 0 || pixelFormat < 0 || pixelFormat >= TJ.NUMPF ||
flags < 0)
throw new Exception("Invalid argument in decompress()");
decompress(jpegBuf, jpegBufSize, dstBuf, x, y, desiredWidth, pitch,
desiredHeight, pixelFormat, flags);
@@ -331,13 +341,14 @@ public class TJDecompressor {
*/
public byte[] decompress(int desiredWidth, int pitch, int desiredHeight,
int pixelFormat, int flags) throws Exception {
if(desiredWidth < 0 || pitch < 0 || desiredHeight < 0
|| pixelFormat < 0 || pixelFormat >= TJ.NUMPF || flags < 0)
if (desiredWidth < 0 || pitch < 0 || desiredHeight < 0 ||
pixelFormat < 0 || pixelFormat >= TJ.NUMPF || flags < 0)
throw new Exception("Invalid argument in decompress()");
int pixelSize = TJ.getPixelSize(pixelFormat);
int scaledWidth = getScaledWidth(desiredWidth, desiredHeight);
int scaledHeight = getScaledHeight(desiredWidth, desiredHeight);
if(pitch == 0) pitch = scaledWidth * pixelSize;
if (pitch == 0)
pitch = scaledWidth * pixelSize;
byte[] buf = new byte[pitch * scaledHeight];
decompress(buf, desiredWidth, pitch, desiredHeight, pixelFormat, flags);
return buf;
@@ -361,7 +372,8 @@ public class TJDecompressor {
* @param flags the bitwise OR of one or more of {@link TJ TJ.FLAG_*}
*/
public void decompressToYUV(byte[] dstBuf, int flags) throws Exception {
if(jpegBuf == null) throw new Exception(NO_ASSOC_ERROR);
if (jpegBuf == null)
throw new Exception(NO_ASSOC_ERROR);
if (dstBuf == null || flags < 0)
throw new Exception("Invalid argument in decompressToYUV()");
decompressToYUV(jpegBuf, jpegBufSize, dstBuf, flags);
@@ -440,12 +452,13 @@ public class TJDecompressor {
* @param flags the bitwise OR of one or more of {@link TJ TJ.FLAG_*}
*/
public void decompress(int[] dstBuf, int x, int y, int desiredWidth,
int stride, int desiredHeight, int pixelFormat, int flags)
throws Exception {
if(jpegBuf == null) throw new Exception(NO_ASSOC_ERROR);
if(dstBuf == null || x < 0 || y < 0 || desiredWidth < 0 || stride < 0
|| desiredHeight < 0 || pixelFormat < 0 || pixelFormat >= TJ.NUMPF
|| flags < 0)
int stride, int desiredHeight, int pixelFormat,
int flags) throws Exception {
if (jpegBuf == null)
throw new Exception(NO_ASSOC_ERROR);
if (dstBuf == null || x < 0 || y < 0 || desiredWidth < 0 || stride < 0 ||
desiredHeight < 0 || pixelFormat < 0 || pixelFormat >= TJ.NUMPF ||
flags < 0)
throw new Exception("Invalid argument in decompress()");
decompress(jpegBuf, jpegBufSize, dstBuf, x, y, desiredWidth, stride,
desiredHeight, pixelFormat, flags);
@@ -510,11 +523,11 @@ public class TJDecompressor {
int pitch = sm.getScanlineStride();
DataBufferInt db = (DataBufferInt)wr.getDataBuffer();
int[] buf = db.getData();
if(jpegBuf == null) throw new Exception(NO_ASSOC_ERROR);
if (jpegBuf == null)
throw new Exception(NO_ASSOC_ERROR);
decompress(jpegBuf, jpegBufSize, buf, scaledWidth, pitch, scaledHeight,
pixelFormat, flags);
}
else {
} else {
ComponentSampleModel sm =
(ComponentSampleModel)dstImage.getSampleModel();
int pixelSize = sm.getPixelStride();
@@ -550,7 +563,8 @@ public class TJDecompressor {
* decompressed image
*/
public BufferedImage decompress(int desiredWidth, int desiredHeight,
int bufferedImageType, int flags) throws Exception {
int bufferedImageType, int flags)
throws Exception {
if (desiredWidth < 0 || desiredHeight < 0 || flags < 0)
throw new Exception("Invalid argument in decompress()");
int scaledWidth = getScaledWidth(desiredWidth, desiredHeight);
@@ -571,9 +585,8 @@ public class TJDecompressor {
protected void finalize() throws Throwable {
try {
close();
}
catch(Exception e) {}
finally {
} catch(Exception e) {
} finally {
super.finalize();
}
};

36
java/org/libjpegturbo/turbojpeg/TJTransform.java
View File

@@ -40,54 +40,54 @@ public class TJTransform extends Rectangle {
/**
* The number of lossless transform operations
*/
final public static int NUMOP = 8;
public static final int NUMOP = 8;
/**
* Do not transform the position of the image pixels.
*/
final public static int OP_NONE = 0;
public static final int OP_NONE = 0;
/**
* Flip (mirror) image horizontally. This transform is imperfect if there
* are any partial MCU blocks on the right edge.
* @see #OPT_PERFECT
*/
final public static int OP_HFLIP = 1;
public static final int OP_HFLIP = 1;
/**
* Flip (mirror) image vertically. This transform is imperfect if there are
* any partial MCU blocks on the bottom edge.
* @see #OPT_PERFECT
*/
final public static int OP_VFLIP = 2;
public static final int OP_VFLIP = 2;
/**
* Transpose image (flip/mirror along upper left to lower right axis). This
* transform is always perfect.
* @see #OPT_PERFECT
*/
final public static int OP_TRANSPOSE = 3;
public static final int OP_TRANSPOSE = 3;
/**
* Transverse transpose image (flip/mirror along upper right to lower left
* axis). This transform is imperfect if there are any partial MCU blocks in
* the image.
* @see #OPT_PERFECT
*/
final public static int OP_TRANSVERSE = 4;
public static final int OP_TRANSVERSE = 4;
/**
* Rotate image clockwise by 90 degrees. This transform is imperfect if
* there are any partial MCU blocks on the bottom edge.
* @see #OPT_PERFECT
*/
final public static int OP_ROT90 = 5;
public static final int OP_ROT90 = 5;
/**
* Rotate image 180 degrees. This transform is imperfect if there are any
* partial MCU blocks in the image.
* @see #OPT_PERFECT
*/
final public static int OP_ROT180 = 6;
public static final int OP_ROT180 = 6;
/**
* Rotate image counter-clockwise by 90 degrees. This transform is imperfect
* if there are any partial MCU blocks on the right edge.
* @see #OPT_PERFECT
*/
final public static int OP_ROT270 = 7;
public static final int OP_ROT270 = 7;
/**
@@ -103,21 +103,21 @@ public class TJTransform extends Rectangle {
* partial MCU blocks that cannot be transformed will be left in place, which
* will create odd-looking strips on the right or bottom edge of the image.
*/
final public static int OPT_PERFECT = 1;
public static final int OPT_PERFECT = 1;
/**
* This option will discard any partial MCU blocks that cannot be
* transformed.
*/
final public static int OPT_TRIM = 2;
public static final int OPT_TRIM = 2;
/**
* This option will enable lossless cropping.
*/
final public static int OPT_CROP = 4;
public static final int OPT_CROP = 4;
/**
* This option will discard the color data in the input image and produce
* a grayscale output image.
*/
final public static int OPT_GRAY = 8;
public static final int OPT_GRAY = 8;
/**
* This option will prevent {@link TJTransformer#transform
* TJTransformer.transform()} from outputting a JPEG image for this
@@ -125,7 +125,7 @@ public class TJTransform extends Rectangle {
* filter to capture the transformed DCT coefficients without transcoding
* them.
*/
final public static int OPT_NOOUTPUT = 16;
public static final int OPT_NOOUTPUT = 16;
/**
@@ -162,7 +162,9 @@ public class TJTransform extends Rectangle {
public TJTransform(int x, int y, int w, int h, int op, int options,
TJCustomFilter cf) throws Exception {
super(x, y, w, h);
this.op = op; this.options = options; this.cf = cf;
this.op = op;
this.options = options;
this.cf = cf;
}
/**
@@ -184,7 +186,9 @@ public class TJTransform extends Rectangle {
public TJTransform(Rectangle r, int op, int options,
TJCustomFilter cf) throws Exception {
super(r);
this.op = op; this.options = options; this.cf = cf;
this.op = op;
this.options = options;
this.cf = cf;
}
/**

3
java/org/libjpegturbo/turbojpeg/TJTransformer.java
View File

@@ -94,7 +94,8 @@ public class TJTransformer extends TJDecompressor {
*/
public void transform(byte[][] dstBufs, TJTransform[] transforms,
int flags) throws Exception {
if(jpegBuf == null) throw new Exception("JPEG buffer not initialized");
if (jpegBuf == null)
throw new Exception("JPEG buffer not initialized");
transformedSizes = transform(jpegBuf, jpegBufSize, dstBufs, transforms,
flags);
}