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Set alpha channel when saving LA in OpenJPEG

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This commit is contained in:
Andrew Murray 2023-07-22 20:00:36 +10:00
parent ea0abb94cc
commit c108d9ddb0
1 changed files with 2 additions and 0 deletions
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src/libImaging/Jpeg2KEncode.c
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@ -490,6 +490,8 @@ j2k_encode_entry(Imaging im, ImagingCodecState state) {
if (strcmp(im->mode, "RGBA") == 0) { if (strcmp(im->mode, "RGBA") == 0) {
image->comps[3].alpha = 1; image->comps[3].alpha = 1;
} else if (strcmp(im->mode, "LA") == 0) {
image->comps[1].alpha = 1;
} }
opj_set_error_handler(codec, j2k_error, context); opj_set_error_handler(codec, j2k_error, context);