static gboolean
sel2path (gint32 image_ID)
{
gint32 selection_ID;
pixel_outline_list_type olt;
spline_list_array_type splines;
gimp_selection_bounds (image_ID, &has_sel,
&sel_x1, &sel_y1, &sel_x2, &sel_y2);
sel_width = sel_x2 - sel_x1;
sel_height = sel_y2 - sel_y1;
/* Now get the selection channel */
selection_ID = gimp_image_get_selection (image_ID);
if (selection_ID < 0)
return FALSE;
sel_buffer = gimp_drawable_get_buffer (selection_ID);
olt = find_outline_pixels ();
splines = fitted_splines (olt);
do_points (splines, image_ID);
g_object_unref (sel_buffer);
gimp_displays_flush ();
return TRUE;
}
/* --------------------------
* p_create_corpus_layer
* --------------------------
* create the corpus layer that builds the reference pattern
* for the resynthesizer call. The reference pattern is built
* as duplicate of the original image reduced to the area around the current selection.
* (grown by corpus_border_radius)
* Note that the duplicate image has a selection, that includes the gorwn area
* around the orignal selection, but EXCLUDES the original selection
* (that is the area holding the object that has to be replaced
* by pattern of the surrounding area)
* returns the layer_id of the reference pattern.
*/
static gint32
p_create_corpus_layer(gint32 image_id, gint32 drawable_id, TransValues *val_ptr)
{
gint32 dup_image_id;
gint32 channel_id;
gint32 channel_2_id;
GimpRGB bck_color;
GimpRGB white_opaque_color;
/* gboolean has_selection; */
gboolean non_empty;
gint x1, y1, x2, y2;
gint32 active_layer_stackposition;
gint32 active_dup_layer_id;
active_layer_stackposition = gap_layer_get_stackposition(image_id, drawable_id);
dup_image_id = gimp_image_duplicate(image_id);
channel_id = gimp_selection_save(dup_image_id);
gimp_selection_grow(dup_image_id, val_ptr->corpus_border_radius);
gimp_selection_invert(dup_image_id);
gimp_context_get_background(&bck_color);
channel_2_id = gimp_selection_save(dup_image_id);
gimp_image_select_item(dup_image_id, GIMP_CHANNEL_OP_REPLACE, channel_id);
gimp_rgba_set_uchar (&white_opaque_color, 255, 255, 255, 255);
gimp_context_set_background(&white_opaque_color);
gimp_edit_clear(channel_2_id);
gimp_context_set_background(&bck_color); /* restore original background color */
gimp_selection_load(channel_2_id);
gimp_selection_invert(dup_image_id);
/* has_selection = */ gimp_selection_bounds(dup_image_id, &non_empty, &x1, &y1, &x2, &y2);
gimp_image_crop(dup_image_id, (x2 - x1), (y2 - y1), x1, y1);
gimp_selection_invert(dup_image_id);
active_dup_layer_id = gap_layer_get_id_by_stackposition(dup_image_id, active_layer_stackposition);
if (1==0)
{
/* debug code shows the duplicate image by adding a display */
gimp_display_new(dup_image_id);
}
return (active_dup_layer_id);
} /* end p_create_corpus_layer */
static gboolean
sel2path (gint32 image_ID)
{
gint32 selection_ID;
GimpDrawable *sel_drawable;
pixel_outline_list_type olt;
spline_list_array_type splines;
gimp_selection_bounds (image_ID, &has_sel,
&sel_x1, &sel_y1, &sel_x2, &sel_y2);
sel_width = sel_x2 - sel_x1;
sel_height = sel_y2 - sel_y1;
/* Now get the selection channel */
selection_ID = gimp_image_get_selection (image_ID);
if (selection_ID < 0)
return FALSE;
sel_drawable = gimp_drawable_get (selection_ID);
if (gimp_drawable_bpp (selection_ID) != 1)
{
g_warning ("Internal error. Selection bpp > 1");
return FALSE;
}
gimp_pixel_rgn_init (&selection_rgn, sel_drawable,
sel_x1, sel_y1, sel_width, sel_height,
FALSE, FALSE);
gimp_tile_cache_ntiles (2 * (sel_drawable->width + gimp_tile_width () - 1) /
gimp_tile_width ());
olt = find_outline_pixels ();
splines = fitted_splines (olt);
do_points (splines, image_ID);
gimp_drawable_detach (sel_drawable);
gimp_displays_flush ();
return TRUE;
}
/* -------------------------------------------------------
* gap_image_set_selection_from_selection_or_drawable
* -------------------------------------------------------
* create a selection in the specified image_id.
* The selection is a scaled copy of the selection in another image,
* referred by ref_drawable_id, or a Grayscale copy of the specified ref_drawable_id
* (in case the referred image has no selection or the flag force_from_drawable is TRUE)
*
* - operates on a duplicate of the image referred by ref_drawable_id.
* - this duplicate is scaled to same size as specified image_id
*
* return TRUE in case the selection was successfully created .
*/
gboolean
gap_image_set_selection_from_selection_or_drawable(gint32 image_id, gint32 ref_drawable_id
, gboolean force_from_drawable)
{
gint32 l_aux_channel_id;
gint32 ref_image_id;
gint32 work_drawable_id; /* the duplicate of the layer that is used as selction mask */
gint32 dup_image_id;
gboolean has_selection;
gboolean non_empty;
gint x1, y1, x2, y2;
if ((image_id < 0) || (ref_drawable_id < 0))
{
return (FALSE);
}
ref_image_id = gimp_item_get_image(ref_drawable_id);
if (ref_image_id < 0)
{
printf("ref_drawable_id does not refer to a valid image layer_id:%d\n", (int)ref_drawable_id);
return (FALSE);
}
dup_image_id = gimp_image_duplicate(ref_image_id);
if (dup_image_id < 0)
{
printf("duplicating of image failed, referred souce image_id:%d\n", (int)ref_image_id);
return (FALSE);
}
/* clear undo stack */
if (gimp_image_undo_is_enabled(dup_image_id))
{
gimp_image_undo_disable(dup_image_id);
}
if ((gimp_image_width(image_id) != gimp_image_width(dup_image_id))
|| (gimp_image_height(image_id) != gimp_image_height(dup_image_id)))
{
if(gap_debug)
{
printf("scaling tmp image_id: %d\n", (int)dup_image_id);
}
gimp_image_scale(dup_image_id, gimp_image_width(image_id), gimp_image_height(image_id));
}
has_selection = gimp_selection_bounds(ref_image_id, &non_empty, &x1, &y1, &x2, &y2);
if ((has_selection) && (non_empty) && (force_from_drawable != TRUE))
{
/* use scaled copy of the already exisating selection in the referred image */
work_drawable_id = gimp_image_get_selection(dup_image_id);
}
else
{
gint32 active_layer_stackposition;
/* create selection as gray copy of the alt_selection layer */
active_layer_stackposition = gap_layer_get_stackposition(ref_image_id, ref_drawable_id);
if(gimp_image_base_type(dup_image_id) != GIMP_GRAY)
{
if(gap_debug)
{
printf("convert to GRAYSCALE tmp image_id: %d\n", (int)dup_image_id);
}
gimp_image_convert_grayscale(dup_image_id);
}
work_drawable_id = gap_layer_get_id_by_stackposition(dup_image_id, active_layer_stackposition);
gimp_layer_resize_to_image_size (work_drawable_id);
}
gimp_selection_all(image_id);
//l_sel_channel_id = gimp_image_get_selection(image_id);
l_aux_channel_id = gimp_selection_save(image_id);
/* copy the work drawable (layer or channel) into the selection channel
* the work layer is a grayscale copy GRAY or GRAYA of the alt_selection layer
* that is already scaled and resized to fit the size of the target image
* the work channel is the scaled selection of the image refred by ref_drawable_id
*
* copying is done into an auxiliary channel from where we regulary load the selection.
* this is done because subseqent queries of the selection boudaries will deliver
* full channel size rectangle after a direct copy into the selection.
*/
gap_layer_copy_picked_channel (l_aux_channel_id /* dst_drawable_id*/
, 0 /* dst_channel_pick */
, work_drawable_id /* src_drawable_id */
, 0 /* src_channel_pick */
, FALSE /* gboolean shadow */
);
gimp_image_select_item(image_id, GIMP_CHANNEL_OP_REPLACE, l_aux_channel_id);
gimp_image_remove_channel(image_id, l_aux_channel_id);
gap_image_delete_immediate(dup_image_id);
return (TRUE);
} /* end gap_image_set_selection_from_selection_or_drawable */
/* --------------------------
* p_process_layer
* --------------------------
*/
static gint32
p_process_layer(gint32 image_id, gint32 drawable_id, TransValues *val_ptr)
{
gboolean has_selection;
gboolean non_empty;
gboolean alt_selection_success;
gint x1, y1, x2, y2;
gint32 trans_drawable_id;
if(gap_debug)
{
printf("corpus_border_radius: %d\n", (int)val_ptr->corpus_border_radius);
printf("alt_selection: %d\n", (int)val_ptr->alt_selection);
printf("seed: %d\n", (int)val_ptr->seed);
}
gimp_image_undo_group_start(image_id);
trans_drawable_id = -1;
alt_selection_success = FALSE;
if(val_ptr->alt_selection >= 0)
{
if(gap_debug)
{
printf("p_process_layer creating alt_selection: %d\n", (int)val_ptr->alt_selection);
}
alt_selection_success = p_set_alt_selection(image_id, drawable_id, val_ptr);
}
has_selection = gimp_selection_bounds(image_id, &non_empty, &x1, &y1, &x2, &y2);
if(gap_debug)
{
printf("p_process_layer has_selection: %d\n", (int)has_selection);
}
/* here the action starts, we create the corpus_layer_id that builds the reference pattern
* (the corpus is created in a spearate image and has an expanded selection
* that excludes the unwanted parts)
* then start the resynthesizer plug-in to replace selected (i.e. unwanted parts) of the
* processed layer (i.e. drawable_id)
*/
if (non_empty)
{
gint32 corpus_layer_id;
gint32 corpus_image_id;
trans_drawable_id = drawable_id;
corpus_layer_id = p_create_corpus_layer(image_id, drawable_id, val_ptr);
p_pdb_call_resynthesizer(image_id, drawable_id, corpus_layer_id, val_ptr->seed);
/* delete the temporary working duplicate */
corpus_image_id = gimp_item_get_image(corpus_layer_id);
gimp_image_delete(corpus_image_id);
}
else
{
g_message("Please make a selection (cant operate on empty selection)");
}
if(alt_selection_success)
{
gimp_selection_none(image_id);
}
gimp_image_undo_group_end(image_id);
return (trans_drawable_id);
} /* end p_process_layer */
