/**
* gimp_drawable_get_tattoo:
* @drawable_ID: The drawable.
*
* Deprecated: Use gimp_item_get_tattoo() instead.
*
* Returns: The drawable tattoo.
*/
gint
gimp_drawable_get_tattoo (gint32 drawable_ID)
{
return gimp_item_get_tattoo (drawable_ID);
}
static PyObject *
vectors_get_tattoo(PyGimpVectors *self, void *closure)
{
return PyInt_FromLong(gimp_item_get_tattoo(self->ID));
}
static GimpLayer *
gimp_image_merge_layers (GimpImage *image,
GimpContainer *container,
GSList *merge_list,
GimpContext *context,
GimpMergeType merge_type)
{
GList *list;
GSList *reverse_list = NULL;
GSList *layers;
GimpLayer *merge_layer;
GimpLayer *layer;
GimpLayer *bottom_layer;
GimpParasiteList *parasites;
gint count;
gint x1, y1, x2, y2;
gint off_x, off_y;
gint position;
gchar *name;
GimpLayer *parent;
g_return_val_if_fail (GIMP_IS_IMAGE (image), NULL);
g_return_val_if_fail (GIMP_IS_CONTEXT (context), NULL);
layer = NULL;
x1 = y1 = 0;
x2 = y2 = 0;
bottom_layer = NULL;
parent = gimp_layer_get_parent (merge_list->data);
/* Get the layer extents */
count = 0;
while (merge_list)
{
layer = merge_list->data;
gimp_item_get_offset (GIMP_ITEM (layer), &off_x, &off_y);
switch (merge_type)
{
case GIMP_EXPAND_AS_NECESSARY:
case GIMP_CLIP_TO_IMAGE:
if (! count)
{
x1 = off_x;
y1 = off_y;
x2 = off_x + gimp_item_get_width (GIMP_ITEM (layer));
y2 = off_y + gimp_item_get_height (GIMP_ITEM (layer));
}
else
{
if (off_x < x1)
x1 = off_x;
if (off_y < y1)
y1 = off_y;
if ((off_x + gimp_item_get_width (GIMP_ITEM (layer))) > x2)
x2 = (off_x + gimp_item_get_width (GIMP_ITEM (layer)));
if ((off_y + gimp_item_get_height (GIMP_ITEM (layer))) > y2)
y2 = (off_y + gimp_item_get_height (GIMP_ITEM (layer)));
}
if (merge_type == GIMP_CLIP_TO_IMAGE)
{
x1 = CLAMP (x1, 0, gimp_image_get_width (image));
y1 = CLAMP (y1, 0, gimp_image_get_height (image));
x2 = CLAMP (x2, 0, gimp_image_get_width (image));
y2 = CLAMP (y2, 0, gimp_image_get_height (image));
}
break;
case GIMP_CLIP_TO_BOTTOM_LAYER:
if (merge_list->next == NULL)
{
x1 = off_x;
y1 = off_y;
x2 = off_x + gimp_item_get_width (GIMP_ITEM (layer));
y2 = off_y + gimp_item_get_height (GIMP_ITEM (layer));
}
break;
case GIMP_FLATTEN_IMAGE:
if (merge_list->next == NULL)
{
x1 = 0;
y1 = 0;
x2 = gimp_image_get_width (image);
y2 = gimp_image_get_height (image);
}
break;
}
count ++;
reverse_list = g_slist_prepend (reverse_list, layer);
merge_list = g_slist_next (merge_list);
}
if ((x2 - x1) == 0 || (y2 - y1) == 0)
return NULL;
/* Start a merge undo group. */
name = g_strdup (gimp_object_get_name (layer));
if (merge_type == GIMP_FLATTEN_IMAGE ||
(gimp_drawable_is_indexed (GIMP_DRAWABLE (layer)) &&
! gimp_drawable_has_alpha (GIMP_DRAWABLE (layer))))
{
GeglColor *color;
GimpRGB bg;
merge_layer = gimp_layer_new (image, (x2 - x1), (y2 - y1),
gimp_image_get_layer_format (image, FALSE),
gimp_object_get_name (layer),
GIMP_OPACITY_OPAQUE, GIMP_NORMAL_MODE);
if (! merge_layer)
{
g_warning ("%s: could not allocate merge layer.", G_STRFUNC);
return NULL;
}
gimp_item_set_offset (GIMP_ITEM (merge_layer), x1, y1);
/* get the background for compositing */
gimp_context_get_background (context, &bg);
color = gimp_gegl_color_new (&bg);
gegl_buffer_set_color (gimp_drawable_get_buffer (GIMP_DRAWABLE (merge_layer)),
GEGL_RECTANGLE(0,0,x2-x1,y2-y1), color);
g_object_unref (color);
position = 0;
}
else
{
/* The final merged layer inherits the name of the bottom most layer
* and the resulting layer has an alpha channel whether or not the
* original did. Opacity is set to 100% and the MODE is set to normal.
*/
merge_layer =
gimp_layer_new (image, (x2 - x1), (y2 - y1),
gimp_drawable_get_format_with_alpha (GIMP_DRAWABLE (layer)),
"merged layer",
GIMP_OPACITY_OPAQUE, GIMP_NORMAL_MODE);
if (!merge_layer)
{
g_warning ("%s: could not allocate merge layer", G_STRFUNC);
return NULL;
}
gimp_item_set_offset (GIMP_ITEM (merge_layer), x1, y1);
/* clear the layer */
gegl_buffer_clear (gimp_drawable_get_buffer (GIMP_DRAWABLE (merge_layer)),
NULL);
/* Find the index in the layer list of the bottom layer--we need this
* in order to add the final, merged layer to the layer list correctly
*/
layer = reverse_list->data;
position =
gimp_container_get_n_children (container) -
gimp_container_get_child_index (container, GIMP_OBJECT (layer));
}
bottom_layer = layer;
/* Copy the tattoo and parasites of the bottom layer to the new layer */
gimp_item_set_tattoo (GIMP_ITEM (merge_layer),
gimp_item_get_tattoo (GIMP_ITEM (bottom_layer)));
parasites = gimp_item_get_parasites (GIMP_ITEM (bottom_layer));
parasites = gimp_parasite_list_copy (parasites);
gimp_item_set_parasites (GIMP_ITEM (merge_layer), parasites);
g_object_unref (parasites);
for (layers = reverse_list; layers; layers = g_slist_next (layers))
{
GeglBuffer *merge_buffer;
GeglBuffer *layer_buffer;
GimpApplicator *applicator;
GimpLayerModeEffects mode;
layer = layers->data;
gimp_item_get_offset (GIMP_ITEM (layer), &off_x, &off_y);
/* DISSOLVE_MODE is special since it is the only mode that does not
* work on the projection with the lower layer, but only locally on
* the layers alpha channel.
*/
mode = gimp_layer_get_mode (layer);
if (layer == bottom_layer && mode != GIMP_DISSOLVE_MODE)
mode = GIMP_NORMAL_MODE;
merge_buffer = gimp_drawable_get_buffer (GIMP_DRAWABLE (merge_layer));
layer_buffer = gimp_drawable_get_buffer (GIMP_DRAWABLE (layer));
applicator =
gimp_applicator_new (NULL,
gimp_drawable_get_linear (GIMP_DRAWABLE (layer)),
FALSE, FALSE);
if (gimp_layer_get_mask (layer) &&
gimp_layer_get_apply_mask (layer))
{
GeglBuffer *mask_buffer;
mask_buffer = gimp_drawable_get_buffer (GIMP_DRAWABLE (layer->mask));
gimp_applicator_set_mask_buffer (applicator, mask_buffer);
gimp_applicator_set_mask_offset (applicator,
- (x1 - off_x),
- (y1 - off_y));
}
gimp_applicator_set_src_buffer (applicator, merge_buffer);
gimp_applicator_set_dest_buffer (applicator, merge_buffer);
gimp_applicator_set_apply_buffer (applicator, layer_buffer);
gimp_applicator_set_apply_offset (applicator,
- (x1 - off_x),
- (y1 - off_y));
gimp_applicator_set_mode (applicator,
gimp_layer_get_opacity (layer),
mode);
gimp_applicator_blit (applicator,
GEGL_RECTANGLE (0, 0,
gegl_buffer_get_width (merge_buffer),
gegl_buffer_get_height (merge_buffer)));
g_object_unref (applicator);
gimp_image_remove_layer (image, layer, TRUE, NULL);
}
g_slist_free (reverse_list);
gimp_object_take_name (GIMP_OBJECT (merge_layer), name);
gimp_item_set_visible (GIMP_ITEM (merge_layer), TRUE, FALSE);
/* if the type is flatten, remove all the remaining layers */
if (merge_type == GIMP_FLATTEN_IMAGE)
{
list = gimp_image_get_layer_iter (image);
while (list)
{
layer = list->data;
list = g_list_next (list);
gimp_image_remove_layer (image, layer, TRUE, NULL);
}
gimp_image_add_layer (image, merge_layer, parent,
position, TRUE);
}
else
{
/* Add the layer to the image */
gimp_image_add_layer (image, merge_layer, parent,
gimp_container_get_n_children (container) -
position + 1,
TRUE);
}
gimp_drawable_update (GIMP_DRAWABLE (merge_layer),
0, 0,
gimp_item_get_width (GIMP_ITEM (merge_layer)),
gimp_item_get_height (GIMP_ITEM (merge_layer)));
return merge_layer;
}
static GimpLayer *
gimp_image_merge_layers (GimpImage *image,
GSList *merge_list,
GimpContext *context,
GimpMergeType merge_type,
const gchar *undo_desc)
{
GList *list;
GSList *reverse_list = NULL;
PixelRegion src1PR, src2PR, maskPR;
PixelRegion *mask;
GimpLayer *merge_layer;
GimpLayer *layer;
GimpLayer *bottom_layer;
GimpImageType type;
gint count;
gint x1, y1, x2, y2;
gint x3, y3, x4, y4;
CombinationMode operation;
gint position;
gboolean active[MAX_CHANNELS] = { TRUE, TRUE, TRUE, TRUE };
gint off_x, off_y;
gchar *name;
g_return_val_if_fail (GIMP_IS_IMAGE (image), NULL);
g_return_val_if_fail (GIMP_IS_CONTEXT (context), NULL);
layer = NULL;
type = GIMP_RGBA_IMAGE;
x1 = y1 = 0;
x2 = y2 = 0;
bottom_layer = NULL;
/* Get the layer extents */
count = 0;
while (merge_list)
{
layer = merge_list->data;
gimp_item_offsets (GIMP_ITEM (layer), &off_x, &off_y);
switch (merge_type)
{
case GIMP_EXPAND_AS_NECESSARY:
case GIMP_CLIP_TO_IMAGE:
if (! count)
{
x1 = off_x;
y1 = off_y;
x2 = off_x + gimp_item_width (GIMP_ITEM (layer));
y2 = off_y + gimp_item_height (GIMP_ITEM (layer));
}
else
{
if (off_x < x1)
x1 = off_x;
if (off_y < y1)
y1 = off_y;
if ((off_x + gimp_item_width (GIMP_ITEM (layer))) > x2)
x2 = (off_x + gimp_item_width (GIMP_ITEM (layer)));
if ((off_y + gimp_item_height (GIMP_ITEM (layer))) > y2)
y2 = (off_y + gimp_item_height (GIMP_ITEM (layer)));
}
if (merge_type == GIMP_CLIP_TO_IMAGE)
{
x1 = CLAMP (x1, 0, gimp_image_get_width (image));
y1 = CLAMP (y1, 0, gimp_image_get_height (image));
x2 = CLAMP (x2, 0, gimp_image_get_width (image));
y2 = CLAMP (y2, 0, gimp_image_get_height (image));
}
break;
case GIMP_CLIP_TO_BOTTOM_LAYER:
if (merge_list->next == NULL)
{
x1 = off_x;
y1 = off_y;
x2 = off_x + gimp_item_width (GIMP_ITEM (layer));
y2 = off_y + gimp_item_height (GIMP_ITEM (layer));
}
break;
case GIMP_FLATTEN_IMAGE:
if (merge_list->next == NULL)
{
x1 = 0;
y1 = 0;
x2 = gimp_image_get_width (image);
y2 = gimp_image_get_height (image);
}
break;
}
count ++;
reverse_list = g_slist_prepend (reverse_list, layer);
merge_list = g_slist_next (merge_list);
}
if ((x2 - x1) == 0 || (y2 - y1) == 0)
return NULL;
/* Start a merge undo group. */
gimp_image_undo_group_start (image, GIMP_UNDO_GROUP_IMAGE_LAYERS_MERGE,
undo_desc);
name = g_strdup (gimp_object_get_name (GIMP_OBJECT (layer)));
if (merge_type == GIMP_FLATTEN_IMAGE ||
gimp_drawable_type (GIMP_DRAWABLE (layer)) == GIMP_INDEXED_IMAGE)
{
guchar bg[4] = { 0, 0, 0, 0 };
type = GIMP_IMAGE_TYPE_FROM_BASE_TYPE (gimp_image_base_type (image));
merge_layer = gimp_layer_new (image, (x2 - x1), (y2 - y1),
type,
gimp_object_get_name (GIMP_OBJECT (layer)),
GIMP_OPACITY_OPAQUE, GIMP_NORMAL_MODE);
if (! merge_layer)
{
g_warning ("%s: could not allocate merge layer.", G_STRFUNC);
return NULL;
}
GIMP_ITEM (merge_layer)->offset_x = x1;
GIMP_ITEM (merge_layer)->offset_y = y1;
/* get the background for compositing */
gimp_image_get_background (image, context,
gimp_drawable_type (GIMP_DRAWABLE (merge_layer)),
bg);
/* init the pixel region */
pixel_region_init (&src1PR,
gimp_drawable_get_tiles (GIMP_DRAWABLE (merge_layer)),
0, 0, (x2 - x1), (y2 - y1),
TRUE);
/* set the region to the background color */
color_region (&src1PR, bg);
position = 0;
}
else
{
/* The final merged layer inherits the name of the bottom most layer
* and the resulting layer has an alpha channel whether or not the
* original did. Opacity is set to 100% and the MODE is set to normal.
*/
merge_layer =
gimp_layer_new (image, (x2 - x1), (y2 - y1),
gimp_drawable_type_with_alpha (GIMP_DRAWABLE (layer)),
"merged layer",
GIMP_OPACITY_OPAQUE, GIMP_NORMAL_MODE);
if (!merge_layer)
{
g_warning ("%s: could not allocate merge layer", G_STRFUNC);
return NULL;
}
GIMP_ITEM (merge_layer)->offset_x = x1;
GIMP_ITEM (merge_layer)->offset_y = y1;
/* clear the layer */
pixel_region_init (&src1PR,
gimp_drawable_get_tiles (GIMP_DRAWABLE (merge_layer)),
0, 0,
(x2 - x1), (y2 - y1),
TRUE);
clear_region (&src1PR);
/* Find the index in the layer list of the bottom layer--we need this
* in order to add the final, merged layer to the layer list correctly
*/
layer = reverse_list->data;
position =
gimp_container_num_children (image->layers) -
gimp_container_get_child_index (image->layers, GIMP_OBJECT (layer));
}
bottom_layer = layer;
/* Copy the tattoo and parasites of the bottom layer to the new layer */
gimp_item_set_tattoo (GIMP_ITEM (merge_layer),
gimp_item_get_tattoo (GIMP_ITEM (bottom_layer)));
g_object_unref (GIMP_ITEM (merge_layer)->parasites);
GIMP_ITEM (merge_layer)->parasites =
gimp_parasite_list_copy (GIMP_ITEM (bottom_layer)->parasites);
while (reverse_list)
{
GimpLayerModeEffects mode;
layer = reverse_list->data;
/* determine what sort of operation is being attempted and
* if it's actually legal...
*/
operation = gimp_image_merge_layers_get_operation (merge_layer, layer);
if (operation == -1)
{
gimp_layer_add_alpha (layer);
/* try again ... */
operation = gimp_image_merge_layers_get_operation (merge_layer,
layer);
}
if (operation == -1)
{
g_warning ("%s: attempting to merge incompatible layers.", G_STRFUNC);
return NULL;
}
gimp_item_offsets (GIMP_ITEM (layer), &off_x, &off_y);
x3 = CLAMP (off_x, x1, x2);
y3 = CLAMP (off_y, y1, y2);
x4 = CLAMP (off_x + gimp_item_width (GIMP_ITEM (layer)), x1, x2);
y4 = CLAMP (off_y + gimp_item_height (GIMP_ITEM (layer)), y1, y2);
/* configure the pixel regions */
pixel_region_init (&src1PR,
gimp_drawable_get_tiles (GIMP_DRAWABLE (merge_layer)),
(x3 - x1), (y3 - y1), (x4 - x3), (y4 - y3),
TRUE);
pixel_region_init (&src2PR,
gimp_drawable_get_tiles (GIMP_DRAWABLE (layer)),
(x3 - off_x), (y3 - off_y),
(x4 - x3), (y4 - y3),
FALSE);
if (gimp_layer_get_mask (layer) &&
gimp_layer_mask_get_apply (layer->mask))
{
TileManager *tiles;
tiles = gimp_drawable_get_tiles (GIMP_DRAWABLE (layer->mask));
pixel_region_init (&maskPR, tiles,
(x3 - off_x), (y3 - off_y), (x4 - x3), (y4 - y3),
FALSE);
mask = &maskPR;
}
else
{
mask = NULL;
}
/* DISSOLVE_MODE is special since it is the only mode that does not
* work on the projection with the lower layer, but only locally on
* the layers alpha channel.
*/
mode = gimp_layer_get_mode (layer);
if (layer == bottom_layer && mode != GIMP_DISSOLVE_MODE)
mode = GIMP_NORMAL_MODE;
combine_regions (&src1PR, &src2PR, &src1PR, mask, NULL,
gimp_layer_get_opacity (layer) * 255.999,
mode,
active,
operation);
gimp_image_remove_layer (image, layer);
reverse_list = g_slist_next (reverse_list);
}
g_slist_free (reverse_list);
/* if the type is flatten, remove all the remaining layers */
if (merge_type == GIMP_FLATTEN_IMAGE)
{
list = GIMP_LIST (image->layers)->list;
while (list)
{
layer = list->data;
list = g_list_next (list);
gimp_image_remove_layer (image, layer);
}
gimp_image_add_layer (image, merge_layer, position);
}
else
{
/* Add the layer to the image */
gimp_image_add_layer (image, merge_layer,
gimp_container_num_children (image->layers) - position + 1);
}
/* set the name after the original layers have been removed so we
* don't end up with #2 appended to the name
*/
gimp_object_take_name (GIMP_OBJECT (merge_layer), name);
gimp_item_set_visible (GIMP_ITEM (merge_layer), TRUE, TRUE);
/* End the merge undo group */
gimp_image_undo_group_end (image);
gimp_drawable_update (GIMP_DRAWABLE (merge_layer),
0, 0,
gimp_item_width (GIMP_ITEM (merge_layer)),
gimp_item_height (GIMP_ITEM (merge_layer)));
return merge_layer;
}
/**
* gimp_vectors_get_tattoo:
* @vectors_ID: The vectors object.
*
* Deprecated: Use gimp_item_get_tattoo() instead.
*
* Returns: The vectors tattoo.
*
* Since: GIMP 2.4
*/
gint
gimp_vectors_get_tattoo (gint32 vectors_ID)
{
return gimp_item_get_tattoo (vectors_ID);
}
