126 lines
3.5 KiB
C
126 lines
3.5 KiB
C
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/* 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) 1999 Manish Singh
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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 "libpikawidgets/pikawidgets.h"
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#include "display-types.h"
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#include "pikadisplayshell.h"
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#include "pikadisplayshell-expose.h"
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#include "pikadisplayshell-filter.h"
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#include "pikadisplayshell-profile.h"
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#include "pikadisplayshell-render.h"
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/* local function prototypes */
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static void pika_display_shell_filter_changed (PikaColorDisplayStack *stack,
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PikaDisplayShell *shell);
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/* public functions */
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void
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pika_display_shell_filter_set (PikaDisplayShell *shell,
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PikaColorDisplayStack *stack)
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{
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g_return_if_fail (PIKA_IS_DISPLAY_SHELL (shell));
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g_return_if_fail (stack == NULL || PIKA_IS_COLOR_DISPLAY_STACK (stack));
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if (stack == shell->filter_stack)
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return;
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if (shell->filter_stack)
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{
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g_signal_handlers_disconnect_by_func (shell->filter_stack,
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pika_display_shell_filter_changed,
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shell);
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}
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g_set_object (&shell->filter_stack, stack);
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if (shell->filter_stack)
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{
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g_signal_connect (shell->filter_stack, "changed",
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G_CALLBACK (pika_display_shell_filter_changed),
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shell);
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}
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pika_display_shell_filter_changed (NULL, shell);
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}
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gboolean
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pika_display_shell_has_filter (PikaDisplayShell *shell)
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{
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g_return_val_if_fail (PIKA_IS_DISPLAY_SHELL (shell), FALSE);
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if (shell->filter_stack)
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{
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GList *filters;
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GList *iter;
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filters = pika_color_display_stack_get_filters (shell->filter_stack);
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for (iter = filters; iter; iter = g_list_next (iter))
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{
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if (pika_color_display_get_enabled (PIKA_COLOR_DISPLAY (iter->data)))
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return TRUE;
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}
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}
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return FALSE;
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}
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/* private functions */
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static gboolean
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pika_display_shell_filter_changed_idle (gpointer data)
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{
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PikaDisplayShell *shell = data;
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pika_display_shell_profile_update (shell);
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pika_display_shell_expose_full (shell);
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pika_display_shell_render_invalidate_full (shell);
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shell->filter_idle_id = 0;
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return FALSE;
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}
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static void
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pika_display_shell_filter_changed (PikaColorDisplayStack *stack,
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PikaDisplayShell *shell)
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{
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if (shell->filter_idle_id)
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g_source_remove (shell->filter_idle_id);
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shell->filter_idle_id =
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g_idle_add_full (G_PRIORITY_LOW,
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pika_display_shell_filter_changed_idle,
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shell, NULL);
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}
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