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Got most of the hires dithering bugs out now -- peoples' faces are looking good. It might actually be correct or very close to correct now. :-)

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This commit is contained in:
Brendan Robert 2014-09-30 09:46:39 -05:00
parent 429c4418e4
commit 82d37d43d2
1 changed files with 5 additions and 8 deletions
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13
OutlawEditor/src/main/java/org/badvision/outlaweditor/apple/ImageDitherEngine.java
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@ -164,7 +164,7 @@ public class ImageDitherEngine {
// First byte, compared with a sliding window encompassing the previous byte, if any.
int leastError = Integer.MAX_VALUE;
for (int hi = 0; hi < 2; hi++) {
int b1 = (hi << 7) | (bb1 & 0x07f);
int b1 = (hi << 7);
int totalError = 0;
for (int c = 0; c < 7; c++) {
// for (int c = 6; c >= 0; c--) {
@ -172,7 +172,7 @@ public class ImageDitherEngine {
int off = on ^ (1 << c);
// get values for "off"
int i = hgrToDhgr[0][prev];
scanline[0] = i;
scanline[0] = i;
i = hgrToDhgr[(i & 0x010000000) >> 20 | off][bb2];
scanline[1] = i;
// scanline[2] = hgrToDhgr[(i & 0x10000000) != 0 ? next | 0x0100 : next][0] & 0x0fffffff;
@ -210,15 +210,14 @@ public class ImageDitherEngine {
tmpScaled1.getPixelWriter().setPixels(0, y, 560, (y < 190) ? 3 : (y < 191) ? 2 : 1, tmpScaled2.getPixelReader(), 0, y);
leastError = totalError;
bb1 = b1;
} else {
tmpScaled2.getPixelWriter().setPixels(0, y, 560, (y < 190) ? 3 : (y < 191) ? 2 : 1, keepScaled.getPixelReader(), 0, y);
}
}
}
keepScaled.getPixelWriter().setPixels(0, y, 560, (y < 190) ? 3 : (y < 191) ? 2 : 1, tmpScaled1.getPixelReader(), 0, y);
// Second byte, compared with a sliding window encompassing the next byte, if any.
leastError = Integer.MAX_VALUE;
for (int hi = 0; hi < 2; hi++) {
int b2 = (hi << 7) | (bb2 & 0x07f);
tmpScaled2.getPixelWriter().setPixels(0, y, 560, (y < 190) ? 3 : (y < 191) ? 2 : 1, keepScaled.getPixelReader(), 0, y);
int b2 = (hi << 7);
int totalError = 0;
for (int c = 0; c < 7; c++) {
// for (int c = 6; c >= 0; c--) {
@ -261,8 +260,6 @@ public class ImageDitherEngine {
tmpScaled1.getPixelWriter().setPixels(0, y, 560, (y < 190) ? 3 : (y < 191) ? 2 : 1, tmpScaled2.getPixelReader(), 0, y);
leastError = totalError;
bb2 = b2;
} else {
tmpScaled2.getPixelWriter().setPixels(0, y, 560, (y < 190) ? 3 : (y < 191) ? 2 : 1, keepScaled.getPixelReader(), 0, y);
}
}
keepScaled.getPixelWriter().setPixels(0, y, 560, (y < 190) ? 3 : (y < 191) ? 2 : 1, tmpScaled1.getPixelReader(), 0, y);