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[core-image/tga] implement Option.do_not_expand_grayscale

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This commit is contained in:
Michael Lee
2025-09-08 09:09:42 -05:00
parent 42c2cb89b5
commit f2b367f421
1 changed files with 5 additions and 2 deletions
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7
core/image/tga/tga.odin
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@@ -153,7 +153,7 @@ load_from_context :: proc(ctx: ^$C, options := Options{}, allocator := context.a
// Intentionally blank
case .Uncompressed_Black_White:
black_white = true
dest_depth = 24
dest_depth = 8 if .do_not_expand_grayscale in options else 24
case .Uncompressed_Color_Mapped:
color_mapped = true
case .Compressed_Color_Mapped:
@@ -162,7 +162,7 @@ load_from_context :: proc(ctx: ^$C, options := Options{}, allocator := context.a
case .Compressed_Black_White:
black_white = true
rle_encoding = true
dest_depth = 24
dest_depth = 8 if .do_not_expand_grayscale in options else 24
case:
return nil, .Unsupported_Format
@@ -181,6 +181,9 @@ load_from_context :: proc(ctx: ^$C, options := Options{}, allocator := context.a
}
switch dest_depth {
case 8: // R8
src_channels = 1
dest_channels = 1
case 15: // B5G5R5
src_channels = 2
dest_channels = 3