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