yggdrasil75/stupidsimcpp
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aviwriter has been wrong this whole time. fixed it. also fixed lack of alpha. and broke ratio. its decent now.

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Yggdrasil75
2025-11-18 14:07:10 -05:00
parent 7a4f200b9d
commit 4b978bfd6a
7 changed files with 250 additions and 176 deletions
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14
util/output/aviwriter.hpp
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@@ -157,29 +157,29 @@ private:
break;
case frame::colormap::RGBA:
for (uint32_t x = 0; x < width; ++x) {
dstRow[x * 3] = srcRow[x * 4]; // R
dstRow[x * 3 + 2] = srcRow[x * 4 + 0]; // R
dstRow[x * 3 + 1] = srcRow[x * 4 + 1]; // G
dstRow[x * 3 + 2] = srcRow[x * 4 + 2]; // B
dstRow[x * 3 + 0] = srcRow[x * 4 + 2]; // B
}
break;
case frame::colormap::BGR:
for (uint32_t x = 0; x < width; ++x) {
dstRow[x * 3] = srcRow[x * 3 + 2]; // R
dstRow[x * 3 + 2] = srcRow[x * 3 + 2]; // R
dstRow[x * 3 + 1] = srcRow[x * 3 + 1]; // G
dstRow[x * 3 + 2] = srcRow[x * 3]; // B
dstRow[x * 3 + 0] = srcRow[x * 3 + 0]; // B
}
break;
case frame::colormap::BGRA:
for (uint32_t x = 0; x < width; ++x) {
dstRow[x * 3] = srcRow[x * 4 + 2]; // R
dstRow[x * 3 + 2] = srcRow[x * 4 + 2]; // R
dstRow[x * 3 + 1] = srcRow[x * 4 + 1]; // G
dstRow[x * 3 + 2] = srcRow[x * 4]; // B
dstRow[x * 3 + 0] = srcRow[x * 4 + 0]; // B
}
break;
case frame::colormap::B:
for (uint32_t x = 0; x < width; ++x) {
uint8_t gray = srcRow[x];
dstRow[x * 3] = gray; // R
dstRow[x * 3 + 0] = gray; // R
dstRow[x * 3 + 1] = gray; // G
dstRow[x * 3 + 2] = gray; // B
}