mirror of https://github.com/GNOME/gimp.git
79 lines
2.2 KiB
C
79 lines
2.2 KiB
C
/* GIMP - The GNU Image Manipulation Program
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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 <http://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 "display-types.h"
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#include "gimpdisplayshell.h"
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#include "gimpdisplayshell-expose.h"
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void
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gimp_display_shell_expose_area (GimpDisplayShell *shell,
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gint x,
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gint y,
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gint w,
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gint h)
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{
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g_return_if_fail (GIMP_IS_DISPLAY_SHELL (shell));
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gtk_widget_queue_draw_area (shell->canvas, x, y, w, h);
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}
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void
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gimp_display_shell_expose_region (GimpDisplayShell *shell,
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cairo_region_t *region)
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{
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GdkRegion *gdk_region;
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gint n_rectangles;
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gint i;
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g_return_if_fail (GIMP_IS_DISPLAY_SHELL (shell));
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g_return_if_fail (region != NULL);
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if (! gtk_widget_get_realized (shell->canvas))
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return;
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gdk_region = gdk_region_new ();
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n_rectangles = cairo_region_num_rectangles (region);
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for (i = 0; i < n_rectangles; i++)
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{
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cairo_rectangle_int_t rectangle;
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cairo_region_get_rectangle (region, i, &rectangle);
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gdk_region_union_with_rect (gdk_region, (GdkRectangle *) &rectangle);
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}
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gdk_window_invalidate_region (gtk_widget_get_window (shell->canvas),
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gdk_region, TRUE);
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gdk_region_destroy (gdk_region);
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}
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void
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gimp_display_shell_expose_full (GimpDisplayShell *shell)
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{
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g_return_if_fail (GIMP_IS_DISPLAY_SHELL (shell));
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gtk_widget_queue_draw (shell->canvas);
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}
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