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app: in gimp:offset, fix OFFSET_TRANSPARENT fast-path for chunked input

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(cherry picked from commit 533091055e)
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Ell
2019-06-07 03:45:17 -04:00
parent 257e35dda1
commit 618b6a62bd
1 changed files with 22 additions and 13 deletions
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35
app/operations/gimpoperationoffset.c
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@ -301,22 +301,31 @@ gimp_operation_offset_parent_process (GeglOperation *operation,
if (input)
{
const GeglRectangle *extent;
GeglRectangle bounds;
GeglRectangle extent;
extent = gegl_buffer_get_extent (GEGL_BUFFER (input));
bounds = gegl_operation_get_bounding_box (GEGL_OPERATION (offset));
output = g_object_new (GEGL_TYPE_BUFFER,
"source", input,
"x", extent->x,
"y", extent->y,
"width", extent->width,
"height", extent->height,
"shift-x", -x,
"shift-y", -y,
NULL);
extent = *gegl_buffer_get_extent (GEGL_BUFFER (input));
if (gegl_object_get_has_forked (input))
gegl_object_set_has_forked (output);
extent.x += x;
extent.y += y;
if (gegl_rectangle_intersect (&extent, &extent, &bounds))
{
output = g_object_new (GEGL_TYPE_BUFFER,
"source", input,
"x", extent.x,
"y", extent.y,
"width", extent.width,
"height", extent.height,
"shift-x", -x,
"shift-y", -y,
NULL);
if (gegl_object_get_has_forked (input))
gegl_object_set_has_forked (output);
}
}
gegl_operation_context_take_object (context, "output", output);