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Add CMYK support to the TurboJPEG Java API & clean up a few things in the C API

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git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1020 632fc199-4ca6-4c93-a231-07263d6284db
This commit is contained in:
DRC
2013-08-23 04:45:43 +00:00
parent cd7c3e6672
commit 38cb1ec2a7
18 changed files with 497 additions and 73 deletions
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95
java/TJUnitTest.java
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@@ -61,11 +61,11 @@ public class TJUnitTest {
private static final String[] pixFormatStr = {
"RGB", "BGR", "RGBX", "BGRX", "XBGR", "XRGB", "Grayscale",
"RGBA", "BGRA", "ABGR", "ARGB"
"RGBA", "BGRA", "ABGR", "ARGB", "CMYK"
};
private static final int[] alphaOffset = {
-1, -1, -1, -1, -1, -1, -1, 3, 3, 0, 0
-1, -1, -1, -1, -1, -1, -1, 3, 3, 0, 0, -1
};
private static final int[] _3byteFormats = {
@@ -75,7 +75,7 @@ public class TJUnitTest {
BufferedImage.TYPE_3BYTE_BGR
};
private static final int[] _4byteFormats = {
TJ.PF_RGBX, TJ.PF_BGRX, TJ.PF_XBGR, TJ.PF_XRGB
TJ.PF_RGBX, TJ.PF_BGRX, TJ.PF_XBGR, TJ.PF_XRGB, TJ.PF_CMYK
};
private static final int[] _4byteFormatsBI = {
BufferedImage.TYPE_INT_BGR, BufferedImage.TYPE_INT_RGB,
@@ -165,8 +165,8 @@ public class TJUnitTest {
int ps = TJ.getPixelSize(pf);
int index, row, col, halfway = 16;
Arrays.fill(buf, (byte)0);
if (pf == TJ.PF_GRAY) {
Arrays.fill(buf, (byte)0);
for (row = 0; row < h; row++) {
for (col = 0; col < w; col++) {
if ((flags & TJ.FLAG_BOTTOMUP) != 0)
@@ -181,6 +181,27 @@ public class TJUnitTest {
}
return;
}
if (pf == TJ.PF_CMYK) {
Arrays.fill(buf, (byte)255);
for (row = 0; row < h; row++) {
for (col = 0; col < w; col++) {
if ((flags & TJ.FLAG_BOTTOMUP) != 0)
index = (h - row - 1) * w + col;
else
index = row * w + col;
if (((row / 8) + (col / 8)) % 2 == 0) {
if (row >= halfway) buf[index * ps + 3] = 0;
} else {
buf[index * ps + 2] = 0;
if (row < halfway)
buf[index * ps + 1] = 0;
}
}
}
return;
}
Arrays.fill(buf, (byte)0);
for (row = 0; row < h; row++) {
for (col = 0; col < w; col++) {
if ((flags & TJ.FLAG_BOTTOMUP) != 0)
@@ -299,6 +320,39 @@ public class TJUnitTest {
int blockSize = 8 * sf.getNum() / sf.getDenom();
try {
if (pf == TJ.PF_CMYK) {
for (row = 0; row < h; row++) {
for (col = 0; col < w; col++) {
if ((flags & TJ.FLAG_BOTTOMUP) != 0)
index = (h - row - 1) * w + col;
else
index = row * w + col;
byte c = buf[index * ps];
byte m = buf[index * ps + 1];
byte y = buf[index * ps + 2];
byte k = buf[index * ps + 3];
checkVal255(row, col, c, "C");
if (((row / blockSize) + (col / blockSize)) % 2 == 0) {
checkVal255(row, col, m, "M");
checkVal255(row, col, y, "Y");
if (row < halfway)
checkVal255(row, col, k, "K");
else
checkVal0(row, col, k, "K");
} else {
checkVal0(row, col, y, "Y");
checkVal255(row, col, k, "K");
if (row < halfway)
checkVal0(row, col, m, "M");
else
checkVal255(row, col, m, "M");
}
}
}
return 1;
}
for (row = 0; row < halfway; row++) {
for (col = 0; col < w; col++) {
if ((flags & TJ.FLAG_BOTTOMUP) != 0)
@@ -351,13 +405,25 @@ public class TJUnitTest {
if (retval == 0) {
for (row = 0; row < h; row++) {
for (col = 0; col < w; col++) {
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;
System.out.format("%3d/%3d/%3d ", r, g, b);
if (pf == TJ.PF_CMYK) {
int c = buf[pitch * row + col * ps];
int m = buf[pitch * row + col * ps + 1];
int y = buf[pitch * row + col * ps + 2];
int k = buf[pitch * row + col * ps + 3];
if (c < 0) c += 256;
if (m < 0) m += 256;
if (y < 0) y += 256;
if (k < 0) k += 256;
System.out.format("%3d/%3d/%3d/%3d ", c, m, y, k);
} else {
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;
System.out.format("%3d/%3d/%3d ", r, g, b);
}
}
System.out.print("\n");
}
@@ -788,6 +854,7 @@ public class TJUnitTest {
tjd = new TJDecompressor();
for (int pf : formats) {
if (pf < 0) continue;
for (int i = 0; i < 2; i++) {
int flags = 0;
if (subsamp == TJ.SAMP_422 || subsamp == TJ.SAMP_420 ||
@@ -880,7 +947,10 @@ public class TJUnitTest {
testName = "javabitest";
}
}
if (doyuv) yuv = YUVENCODE;
if (doyuv) {
yuv = YUVENCODE;
_4byteFormats[4] = -1;
}
doTest(35, 39, bi ? _3byteFormatsBI : _3byteFormats, TJ.SAMP_444,
testName);
doTest(39, 41, bi ? _4byteFormatsBI : _4byteFormats, TJ.SAMP_444,
@@ -904,6 +974,7 @@ public class TJUnitTest {
doTest(39, 41, bi ? onlyGrayBI : onlyGray, TJ.SAMP_GRAY, testName);
doTest(41, 35, bi ? _3byteFormatsBI : _3byteFormats, TJ.SAMP_GRAY,
testName);
_4byteFormats[4] = -1;
doTest(35, 39, bi ? _4byteFormatsBI : _4byteFormats, TJ.SAMP_GRAY,
testName);
if (!doyuv && !bi)