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revise formatting

This commit is contained in:
John Cupitt 2022-05-26 17:25:16 +01:00
parent ba04c5f03f
commit 7121f952d5
1 changed files with 11 additions and 2 deletions
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13
libvips/foreign/cgifsave.c
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@ -237,8 +237,17 @@ vips_foreign_save_cgif_write_frame( VipsForeignSaveCgif *cgif )
*/
p = frame_bytes;
for( i = 0; i < n_pels; i++ ) {
if (p[3] >= 128) p[3] = 255;
else memset(p, 0, 4);
if( p[3] >= 128 )
p[3] = 255;
else {
/* Helps the quanizer generate a better palette.
*/
p[0] = 0;
p[1] = 0;
p[2] = 0;
p[3] = 0;
}
p += 4;
}