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app: speed up gimp_image_contiguous_region_by_seed using a temporary GeglBuffer 

This is identical to c204b0ac41, except
it avoids setting the buffer type of the drawable using a buffer copy.
(that issue is explained in d53deda61b)
This commit is contained in:
Michael Henning 2013-04-08 15:02:23 -04:00
parent 35cc644765
commit e839ae0955
1 changed files with 13 additions and 4 deletions
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17
app/core/gimpimage-contiguous-region.c
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@ -135,11 +135,10 @@ gimp_image_contiguous_region_by_seed (GimpImage *image,
select_transparent = FALSE;
}
mask = gimp_channel_new_mask (image,
gegl_buffer_get_width (src_buffer),
gegl_buffer_get_height (src_buffer));
mask_buffer = gegl_buffer_new (gegl_buffer_get_extent (src_buffer),
babl_format ("Y float"));
mask_buffer = gimp_drawable_get_buffer (GIMP_DRAWABLE (mask));
gegl_buffer_clear (mask_buffer, NULL);
find_contiguous_region_helper (src_buffer, mask_buffer,
format, n_components, has_alpha,
@ -147,6 +146,16 @@ gimp_image_contiguous_region_by_seed (GimpImage *image,
antialias, threshold,
x, y, start_col);
/* wrap mask_buffer in a drawable and return it */
mask = gimp_channel_new_mask (image,
gegl_buffer_get_width (mask_buffer),
gegl_buffer_get_height (mask_buffer));
gegl_buffer_copy (mask_buffer, NULL,
gimp_drawable_get_buffer (GIMP_DRAWABLE (mask)), NULL);
g_object_unref (mask_buffer);
return mask;
}