119 lines
		
	
	
		
			3.6 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
		
		
			
		
	
	
			119 lines
		
	
	
		
			3.6 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
|  | /* PIKA - Photo and Image Kooker Application
 | ||
|  |  * a rebranding of The GNU Image Manipulation Program (created with heckimp) | ||
|  |  * A derived work which may be trivial. However, any changes may be (C)2023 by Aldercone Studio | ||
|  |  * | ||
|  |  * Original copyright, applying to most contents (license remains unchanged):  | ||
|  |  * Copyright (C) 1995 Spencer Kimball and Peter Mattis | ||
|  |  * | ||
|  |  * This program is free software: you can redistribute it and/or modify | ||
|  |  * it under the terms of the GNU General Public License as published by | ||
|  |  * the Free Software Foundation; either version 3 of the License, or | ||
|  |  * (at your option) any later version. | ||
|  |  * | ||
|  |  * This program is distributed in the hope that it will be useful, | ||
|  |  * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
|  |  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the | ||
|  |  * GNU General Public License for more details. | ||
|  |  * | ||
|  |  * You should have received a copy of the GNU General Public License | ||
|  |  * along with this program.  If not, see <https://www.gnu.org/licenses/>.
 | ||
|  |  */ | ||
|  | 
 | ||
|  | #include "config.h"
 | ||
|  | 
 | ||
|  | #include <gegl.h>
 | ||
|  | #include <gtk/gtk.h>
 | ||
|  | 
 | ||
|  | #include "actions-types.h"
 | ||
|  | 
 | ||
|  | #include "core/pikachannel-select.h"
 | ||
|  | #include "core/pikacontext.h"
 | ||
|  | #include "core/pikaimage.h"
 | ||
|  | #include "core/pikaimage-colormap.h"
 | ||
|  | 
 | ||
|  | #include "widgets/pikacolormapeditor.h"
 | ||
|  | #include "widgets/pikacolormapselection.h"
 | ||
|  | 
 | ||
|  | #include "actions.h"
 | ||
|  | #include "colormap-commands.h"
 | ||
|  | 
 | ||
|  | 
 | ||
|  | /*  public functions  */ | ||
|  | 
 | ||
|  | void | ||
|  | colormap_edit_color_cmd_callback (PikaAction *action, | ||
|  |                                   GVariant   *value, | ||
|  |                                   gpointer    data) | ||
|  | { | ||
|  |   PikaColormapEditor *editor = PIKA_COLORMAP_EDITOR (data); | ||
|  | 
 | ||
|  |   pika_colormap_editor_edit_color (editor); | ||
|  | } | ||
|  | 
 | ||
|  | void | ||
|  | colormap_add_color_cmd_callback (PikaAction *action, | ||
|  |                                  GVariant   *value, | ||
|  |                                  gpointer    data) | ||
|  | { | ||
|  |   PikaContext *context; | ||
|  |   PikaImage   *image; | ||
|  |   gboolean     background; | ||
|  |   return_if_no_context (context, data); | ||
|  |   return_if_no_image (image, data); | ||
|  | 
 | ||
|  |   background = (gboolean) g_variant_get_int32 (value); | ||
|  | 
 | ||
|  |   if (pika_image_get_colormap_size (image) < 256) | ||
|  |     { | ||
|  |       PikaRGB color; | ||
|  | 
 | ||
|  |       if (background) | ||
|  |         pika_context_get_background (context, &color); | ||
|  |       else | ||
|  |         pika_context_get_foreground (context, &color); | ||
|  | 
 | ||
|  |       pika_image_add_colormap_entry (image, &color); | ||
|  |       pika_image_flush (image); | ||
|  |     } | ||
|  | } | ||
|  | 
 | ||
|  | void | ||
|  | colormap_to_selection_cmd_callback (PikaAction *action, | ||
|  |                                     GVariant   *value, | ||
|  |                                     gpointer    data) | ||
|  | { | ||
|  |   PikaColormapSelection *selection; | ||
|  |   PikaColormapEditor    *editor; | ||
|  |   PikaImage             *image; | ||
|  |   GList                 *drawables; | ||
|  |   PikaChannelOps         op; | ||
|  |   gint                   col_index; | ||
|  | 
 | ||
|  |   return_if_no_image (image, data); | ||
|  | 
 | ||
|  |   editor    = PIKA_COLORMAP_EDITOR (data); | ||
|  |   selection = PIKA_COLORMAP_SELECTION (editor->selection); | ||
|  |   col_index = pika_colormap_selection_get_index (selection, NULL); | ||
|  | 
 | ||
|  |   op = (PikaChannelOps) g_variant_get_int32 (value); | ||
|  | 
 | ||
|  |   drawables = pika_image_get_selected_drawables (image); | ||
|  |   if (g_list_length (drawables) != 1) | ||
|  |     { | ||
|  |       /* We should not reach this anyway as colormap-actions.c normally takes
 | ||
|  |        * care at making the action insensitive when the item selection is wrong. | ||
|  |        */ | ||
|  |       g_warning ("This action requires exactly one selected drawable."); | ||
|  |       g_list_free (drawables); | ||
|  |       return; | ||
|  |     } | ||
|  | 
 | ||
|  |   pika_channel_select_by_index (pika_image_get_mask (image), | ||
|  |                                 drawables->data, | ||
|  |                                 col_index, op, | ||
|  |                                 FALSE, 0.0, 0.0); | ||
|  | 
 | ||
|  |   g_list_free (drawables); | ||
|  |   pika_image_flush (image); | ||
|  | } |