PIKApp/app/display/pikadisplayshell-expose.c

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2023-09-26 00:35:21 +02:00
/* 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 "display-types.h"
#include "pikadisplayshell.h"
#include "pikadisplayshell-expose.h"
void
pika_display_shell_expose_area (PikaDisplayShell *shell,
gint x,
gint y,
gint w,
gint h)
{
g_return_if_fail (PIKA_IS_DISPLAY_SHELL (shell));
gtk_widget_queue_draw_area (shell->canvas, x, y, w, h);
}
void
pika_display_shell_expose_region (PikaDisplayShell *shell,
cairo_region_t *region)
{
g_return_if_fail (PIKA_IS_DISPLAY_SHELL (shell));
g_return_if_fail (region != NULL);
if (! gtk_widget_get_realized (shell->canvas))
return;
gdk_window_invalidate_region (gtk_widget_get_window (shell->canvas),
region, TRUE);
}
void
pika_display_shell_expose_full (PikaDisplayShell *shell)
{
g_return_if_fail (PIKA_IS_DISPLAY_SHELL (shell));
gtk_widget_queue_draw (shell->canvas);
}