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app: in gimp_gegl_apply_cached_operation(), intersect cached rects with dest rect

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In gimp_gegl_apply_cached_operation(), intersect the cached rects
with the dest rect, so that we don't unnecessarily (if not
erroneously) copy cached regions outside the dest rect to the dest
buffer.  This can happen when the op's applicator crop-rect changes
dynamically.
This commit is contained in:
Ell 2018-12-30 07:47:47 -05:00
parent e06c4643dc
commit d9b4ffe09e
1 changed files with 12 additions and 4 deletions
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16
app/gegl/gimp-gegl-apply-operation.c
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@ -212,14 +212,22 @@ gimp_gegl_apply_cached_operation (GeglBuffer *src_buffer,
for (i = 0; i < n_valid_rects; i++)
{
gimp_gegl_buffer_copy (cache, valid_rects + i, GEGL_ABYSS_NONE,
dest_buffer, valid_rects + i);
GeglRectangle valid_rect;
if (! gegl_rectangle_intersect (&valid_rect,
&valid_rects[i], &rect))
{
continue;
}
gimp_gegl_buffer_copy (cache, &valid_rect, GEGL_ABYSS_NONE,
dest_buffer, &valid_rect);
cairo_region_subtract_rectangle (region,
(cairo_rectangle_int_t *)
valid_rects + i);
&valid_rect);
done_pixels += valid_rects[i].width * valid_rects[i].height;
done_pixels += valid_rect.width * valid_rect.height;
if (progress)
gimp_progress_set_value (progress,