app: port gimp_drawable_real_apply_buffer() to GEGL

but leave the old code there and use it for FS compositing (when
dest_buffer is != NULL) because we need the legacy projection as
reference.
This commit is contained in:
Michael Natterer 2012-04-06 21:56:55 +02:00
parent 1f9606e200
commit 01a22de26c
1 changed files with 119 additions and 84 deletions

View File

@ -28,8 +28,11 @@
#include "paint-funcs/paint-funcs.h"
#include "gegl/gimp-gegl-nodes.h"
#include "gegl/gimp-gegl-utils.h"
#include "gimp.h"
#include "gimp-apply-operation.h"
#include "gimpchannel.h"
#include "gimpdrawable-combine.h"
#include "gimpdrawableundo.h"
@ -52,58 +55,25 @@ gimp_drawable_real_apply_buffer (GimpDrawable *drawable,
gint dest_x,
gint dest_y)
{
GimpItem *item = GIMP_ITEM (drawable);
GimpImage *image = gimp_item_get_image (item);
GimpChannel *mask = gimp_image_get_mask (image);
TempBuf *temp_buf;
PixelRegion src1PR, src2PR, destPR;
gint x, y, width, height;
gint offset_x, offset_y;
CombinationMode operation;
gboolean active_components[MAX_CHANNELS];
temp_buf = gimp_gegl_buffer_get_temp_buf (buffer);
if (temp_buf)
{
pixel_region_init_temp_buf (&src2PR, temp_buf,
buffer_region->x, buffer_region->y,
buffer_region->width, buffer_region->height);
}
else
{
pixel_region_init (&src2PR, gimp_gegl_buffer_get_tiles (buffer),
buffer_region->x, buffer_region->y,
buffer_region->width, buffer_region->height,
FALSE);
}
if (! base_buffer)
base_buffer = gimp_drawable_get_buffer (drawable);
GimpItem *item = GIMP_ITEM (drawable);
GimpImage *image = gimp_item_get_image (item);
GimpChannel *mask = gimp_image_get_mask (image);
gint x, y, width, height;
gint offset_x, offset_y;
/* don't apply the mask to itself and don't apply an empty mask */
if (GIMP_DRAWABLE (mask) == drawable || gimp_channel_is_empty (mask))
mask = NULL;
/* configure the active channel array */
gimp_drawable_get_active_components (drawable, active_components);
/* determine what sort of operation is being attempted and
* if it's actually legal...
*/
operation = gimp_image_get_combination_mode (gimp_drawable_type (drawable),
src2PR.bytes);
if (operation == -1)
{
g_warning ("%s: illegal parameters.", G_STRFUNC);
return;
}
if (! base_buffer)
base_buffer = gimp_drawable_get_buffer (drawable);
/* get the layer offsets */
gimp_item_get_offset (item, &offset_x, &offset_y);
/* make sure the image application coordinates are within drawable bounds */
gimp_rectangle_intersect (base_x, base_y, src2PR.w, src2PR.h,
gimp_rectangle_intersect (base_x, base_y,
buffer_region->width, buffer_region->height,
0, 0,
gimp_item_get_width (item),
gimp_item_get_height (item),
@ -124,7 +94,6 @@ gimp_drawable_real_apply_buffer (GimpDrawable *drawable,
&x, &y, &width, &height);
}
/* If the calling procedure specified an undo step... */
if (push_undo)
{
GimpDrawableUndo *undo;
@ -152,54 +121,120 @@ gimp_drawable_real_apply_buffer (GimpDrawable *drawable,
}
}
/* configure the pixel regions */
pixel_region_init (&src1PR, gimp_gegl_buffer_get_tiles (base_buffer),
x, y, width, height,
FALSE);
pixel_region_resize (&src2PR,
src2PR.x + (x - base_x), src2PR.y + (y - base_y),
width, height);
if (dest_buffer)
if (gimp_use_gegl (image->gimp) && ! dest_buffer)
{
pixel_region_init (&destPR, gimp_gegl_buffer_get_tiles (dest_buffer),
dest_x, dest_y,
buffer_region->width, buffer_region->height,
TRUE);
GeglBuffer *mask_buffer = NULL;
GeglNode *apply;
if (mask)
mask_buffer = gimp_drawable_get_buffer (GIMP_DRAWABLE (mask));
dest_buffer = gimp_drawable_get_buffer (drawable);
apply = gimp_gegl_create_apply_buffer_node (buffer,
base_x - buffer_region->x,
base_y - buffer_region->y,
0,
0,
0,
0,
mask_buffer,
-offset_x,
-offset_y,
opacity,
mode);
gimp_apply_operation (base_buffer, NULL, NULL,
apply,
dest_buffer,
GEGL_RECTANGLE (x, y, width, height));
g_object_unref (apply);
}
else
{
pixel_region_init (&destPR, gimp_drawable_get_tiles (drawable),
PixelRegion src1PR, src2PR, destPR;
CombinationMode operation;
gboolean active_components[MAX_CHANNELS];
if (gimp_gegl_buffer_get_temp_buf (buffer))
{
pixel_region_init_temp_buf (&src2PR,
gimp_gegl_buffer_get_temp_buf (buffer),
buffer_region->x, buffer_region->y,
buffer_region->width, buffer_region->height);
}
else
{
pixel_region_init (&src2PR, gimp_gegl_buffer_get_tiles (buffer),
buffer_region->x, buffer_region->y,
buffer_region->width, buffer_region->height,
FALSE);
}
/* configure the active channel array */
gimp_drawable_get_active_components (drawable, active_components);
/* determine what sort of operation is being attempted and
* if it's actually legal...
*/
operation = gimp_image_get_combination_mode (gimp_drawable_type (drawable),
src2PR.bytes);
if (operation == -1)
{
g_warning ("%s: illegal parameters.", G_STRFUNC);
return;
}
/* configure the pixel regions */
pixel_region_init (&src1PR, gimp_gegl_buffer_get_tiles (base_buffer),
x, y, width, height,
TRUE);
}
if (mask)
{
PixelRegion maskPR;
pixel_region_init (&maskPR,
gimp_drawable_get_tiles (GIMP_DRAWABLE (mask)),
x + offset_x,
y + offset_y,
width, height,
FALSE);
combine_regions (&src1PR, &src2PR, &destPR, &maskPR, NULL,
opacity * 255.999,
mode,
active_components,
operation);
}
else
{
combine_regions (&src1PR, &src2PR, &destPR, NULL, NULL,
opacity * 255.999,
mode,
active_components,
operation);
pixel_region_resize (&src2PR,
src2PR.x + (x - base_x), src2PR.y + (y - base_y),
width, height);
if (dest_buffer)
{
pixel_region_init (&destPR, gimp_gegl_buffer_get_tiles (dest_buffer),
dest_x, dest_y,
buffer_region->width, buffer_region->height,
TRUE);
}
else
{
pixel_region_init (&destPR, gimp_drawable_get_tiles (drawable),
x, y, width, height,
TRUE);
}
if (mask)
{
PixelRegion maskPR;
pixel_region_init (&maskPR,
gimp_drawable_get_tiles (GIMP_DRAWABLE (mask)),
x + offset_x,
y + offset_y,
width, height,
FALSE);
combine_regions (&src1PR, &src2PR, &destPR, &maskPR, NULL,
opacity * 255.999,
mode,
active_components,
operation);
}
else
{
combine_regions (&src1PR, &src2PR, &destPR, NULL, NULL,
opacity * 255.999,
mode,
active_components,
operation);
}
}
}