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Bug 793734 - White alpha border after upscaling

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In gimp_gegl_apply_scale(), use a CLAMP abyss policy for the scale
op, to avoid leaking transparency into the image when scaling
drawables.

Note that this (intentionally) only affects whole-image/layer
scaling, and not scaling done using any of the transform tools.
This commit is contained in:
Ell
2018-03-22 16:53:08 -04:00
parent ab4b7ab33a
commit 289ecebd69
1 changed files with 7 additions and 6 deletions
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13
app/gegl/gimp-gegl-apply-operation.c
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@ -654,12 +654,13 @@ gimp_gegl_apply_scale (GeglBuffer *src_buffer,
g_return_if_fail (GEGL_IS_BUFFER (dest_buffer)); g_return_if_fail (GEGL_IS_BUFFER (dest_buffer));
node = gegl_node_new_child (NULL, node = gegl_node_new_child (NULL,
"operation", "gegl:scale-ratio", "operation", "gegl:scale-ratio",
"origin-x", 0.0, "origin-x", 0.0,
"origin-y", 0.0, "origin-y", 0.0,
"sampler", interpolation_type, "sampler", interpolation_type,
"x", x, "abyss-policy", GEGL_ABYSS_CLAMP,
"y", y, "x", x,
"y", y,
NULL); NULL);
gimp_gegl_apply_operation (src_buffer, progress, undo_desc, gimp_gegl_apply_operation (src_buffer, progress, undo_desc,