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finally right greyscale lol

This commit is contained in:
Adam D. Ruppe 2019-07-06 15:00:22 -04:00
parent b7ad04afd9
commit 2ff7b77ac1
1 changed files with 8 additions and 7 deletions
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15
png.d
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@ -168,13 +168,14 @@ void convertPngData(ubyte type, ubyte depth, const(ubyte)[] data, int width, uby
if(type == 3) { if(type == 3) {
idata[idataIdx++] = p; idata[idataIdx++] = p;
} else { } else {
if(depth < 8) { if(depth == 1) {
if(p == (1 << depth - 1)) { p = p ? 0xff : 0;
p <<= 8 - depth; } else if (depth == 2) {
p |= 1 << depth - 1; p |= p << 2;
} else { p |= p << 4;
p <<= 8 - depth; }
} else if (depth == 4) {
p |= p << 4;
} }
idata[idataIdx++] = p; idata[idataIdx++] = p;
idata[idataIdx++] = p; idata[idataIdx++] = p;