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tga: Be less strict about palette

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There's images in the wild that claim to not have a palette
but still have one.
This commit is contained in:
Kai Uwe Broulik
2025-07-06 17:55:23 +02:00
committed by Mirco Miranda
parent aef4bd7e1c
commit 21b3b890ec
1 changed files with 3 additions and 2 deletions
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5
src/imageformats/tga.cpp
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@ -119,10 +119,11 @@ static bool IsSupported(const TgaHeader &head)
if (head.pixel_size != 8 && head.pixel_size != 16 && head.pixel_size != 24 && head.pixel_size != 32) { if (head.pixel_size != 8 && head.pixel_size != 16 && head.pixel_size != 24 && head.pixel_size != 32) {
return false; return false;
} }
// If the colormap_type field is set to zero, indicating that no color map exists, then colormap_size, colormap_index and colormap_length should be set to zero. // If the colormap_type field is set to zero, indicating that no color map exists, then colormap_index and colormap_length should be set to zero.
if (head.colormap_type == 0 && (head.colormap_size != 0 || head.colormap_index != 0 || head.colormap_length != 0)) { if (head.colormap_type == 0 && (head.colormap_index != 0 || head.colormap_length != 0)) {
return false; return false;
} }
return true; return true;
} }