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app: use gegl_buffer_set_format() to "cast" a dest buffers format 

in order to extract a src buffer's components
This commit is contained in:
Michael Natterer 2012-03-26 15:22:18 +02:00
parent f68c3c7051
commit ebcf22ba82
1 changed files with 6 additions and 11 deletions
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17
app/core/gimpchannel.c
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@ -1646,7 +1646,6 @@ gimp_channel_new_from_alpha (GimpImage *image,
const GimpRGB *color)
{
GimpChannel *channel;
TileManager *dest_tiles;
GeglBuffer *dest_buffer;
gint width;
gint height;
@ -1662,14 +1661,12 @@ gimp_channel_new_from_alpha (GimpImage *image,
gimp_channel_clear (channel, NULL, FALSE);
dest_tiles = gimp_drawable_get_tiles (GIMP_DRAWABLE (channel));
dest_buffer = gimp_tile_manager_create_buffer (dest_tiles,
babl_format ("A u8"));
dest_buffer = gimp_drawable_get_buffer (GIMP_DRAWABLE (channel));
gegl_buffer_set_format (dest_buffer, babl_format ("A u8"));
gegl_buffer_copy (gimp_drawable_get_buffer (drawable), NULL,
dest_buffer, NULL);
g_object_unref (dest_buffer);
gegl_buffer_set_format (dest_buffer, NULL);
channel->bounds_known = FALSE;
@ -1685,7 +1682,6 @@ gimp_channel_new_from_component (GimpImage *image,
GimpProjection *projection;
GimpChannel *channel;
GeglBuffer *src_buffer;
TileManager *dest_tiles;
GeglBuffer *dest_buffer;
gint width;
gint height;
@ -1707,12 +1703,11 @@ gimp_channel_new_from_component (GimpImage *image,
channel = gimp_channel_new (image, width, height, name, color);
dest_tiles = gimp_drawable_get_tiles (GIMP_DRAWABLE (channel));
dest_buffer = gimp_tile_manager_create_buffer (dest_tiles, format);
dest_buffer = gimp_drawable_get_buffer (GIMP_DRAWABLE (channel));
gegl_buffer_set_format (dest_buffer, format);
gegl_buffer_copy (src_buffer, NULL, dest_buffer, NULL);
g_object_unref (dest_buffer);
gegl_buffer_set_format (dest_buffer, NULL);
return channel;
}