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PNG: Fix test for when premultiplication is needed.

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Jeroen van Rijn
2021-05-01 13:16:47 +02:00
parent 0e972296a4
commit a02bcd3bfd
1 changed files with 2 additions and 2 deletions
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core/image/png/png.odin
+2 -2
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@@ -731,7 +731,7 @@ load_from_stream :: proc(stream: io.Stream, options := Options{}, allocator := c
`.blend_background` and `seen_bkgd` if we haven't seen both. `.blend_background` and `seen_bkgd` if we haven't seen both.
*/ */
if !(seen_bkgd && .blend_background in options) { if !(seen_bkgd && .blend_background in options) {
options ~= {.blend_background}; options -= {.blend_background};
seen_bkgd = false; seen_bkgd = false;
} }
@@ -748,7 +748,7 @@ load_from_stream :: proc(stream: io.Stream, options := Options{}, allocator := c
} }
add_alpha := (seen_trns && .alpha_drop_if_present not_in options) || (.alpha_add_if_missing in options); add_alpha := (seen_trns && .alpha_drop_if_present not_in options) || (.alpha_add_if_missing in options);
premultiply := .alpha_premultiply in options || .blend_background in options; premultiply := .alpha_premultiply in options || seen_bkgd;
img.channels = out_image_channels; img.channels = out_image_channels;