summaryrefslogtreecommitdiffstats
path: root/libgimpwidgets/test-preview-area.c
diff options
context:
space:
mode:
Diffstat (limited to '')
-rw-r--r--libgimpwidgets/test-preview-area.c240
1 files changed, 240 insertions, 0 deletions
diff --git a/libgimpwidgets/test-preview-area.c b/libgimpwidgets/test-preview-area.c
new file mode 100644
index 0000000..fc37966
--- /dev/null
+++ b/libgimpwidgets/test-preview-area.c
@@ -0,0 +1,240 @@
+/* LIBGIMP - The GIMP Library
+ * Copyright (C) 1995-1997 Peter Mattis and Spencer Kimball
+ *
+ * Copyright (C) 2004 Sven Neumann <sven@gimp.org>
+ * test-preview-area.c
+ *
+ * This library is free software: you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 3 of the License, or (at your option) any later version.
+ *
+ * This library 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library. If not, see
+ * <https://www.gnu.org/licenses/>.
+ */
+
+/* This code is based on testrgb.c from GTK+ - The GIMP Toolkit
+ * Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
+ */
+
+#include <config.h>
+
+#include <stdlib.h>
+
+#include <gtk/gtk.h>
+
+#include "gimpwidgetstypes.h"
+
+#include "gimppreviewarea.h"
+
+
+#define WIDTH 256
+#define HEIGHT 256
+#define NUM_ITERS 100
+
+
+static void
+test_run (GtkWidget *area,
+ gboolean visible)
+{
+ guchar buf[WIDTH * HEIGHT * 8];
+ gint i, j;
+ gint num_iters = NUM_ITERS;
+ guchar val;
+ gdouble start_time, total_time;
+ GTimer *timer;
+ GEnumClass *enum_class;
+ GEnumValue *enum_value;
+
+ if (! visible)
+ num_iters *= 4;
+
+ gtk_widget_realize (area);
+
+ g_print ("\nPerformance tests for GimpPreviewArea "
+ "(%d x %d, %s, %d iterations):\n\n",
+ WIDTH, HEIGHT, visible ? "visible" : "hidden", num_iters);
+
+ val = 0;
+ for (j = 0; j < WIDTH * HEIGHT * 8; j++)
+ {
+ val = (val + ((val + (rand () & 0xff)) >> 1)) >> 1;
+ buf[j] = val;
+ }
+
+ gimp_preview_area_set_colormap (GIMP_PREVIEW_AREA (area), buf, 256);
+
+ /* Let's warm up the cache, and also wait for the window manager
+ to settle. */
+ for (i = 0; i < NUM_ITERS; i++)
+ {
+ gint offset = (rand () % (WIDTH * HEIGHT * 4)) & -4;
+
+ gimp_preview_area_draw (GIMP_PREVIEW_AREA (area),
+ 0, 0, WIDTH, HEIGHT,
+ GIMP_RGB_IMAGE,
+ buf + offset,
+ WIDTH * 4);
+ }
+
+ gdk_window_process_all_updates ();
+ gdk_flush ();
+
+ timer = g_timer_new ();
+
+ enum_class = g_type_class_ref (GIMP_TYPE_IMAGE_TYPE);
+
+ for (enum_value = enum_class->values; enum_value->value_name; enum_value++)
+ {
+ /* gimp_preview_area_draw */
+ start_time = g_timer_elapsed (timer, NULL);
+
+ for (i = 0; i < num_iters; i++)
+ {
+ gint offset = (rand () % (WIDTH * HEIGHT * 4)) & -4;
+
+ gimp_preview_area_draw (GIMP_PREVIEW_AREA (area),
+ 0, 0, WIDTH, HEIGHT,
+ enum_value->value,
+ buf + offset,
+ WIDTH * 4);
+
+ gdk_window_process_updates (area->window, FALSE);
+ }
+
+ gdk_flush ();
+ total_time = g_timer_elapsed (timer, NULL) - start_time;
+
+ g_print ("%-20s "
+ "draw : %5.2fs, %8.1f fps, %8.2f megapixels/s\n",
+ enum_value->value_name,
+ total_time,
+ num_iters / total_time,
+ num_iters * (WIDTH * HEIGHT * 1e-6) / total_time);
+
+ /* gimp_preview_area_blend */
+ start_time = g_timer_elapsed (timer, NULL);
+
+ for (i = 0; i < num_iters; i++)
+ {
+ gint offset = (rand () % (WIDTH * HEIGHT * 4)) & -4;
+ gint offset2 = (rand () % (WIDTH * HEIGHT * 4)) & -4;
+
+ gimp_preview_area_blend (GIMP_PREVIEW_AREA (area),
+ 0, 0, WIDTH, HEIGHT,
+ enum_value->value,
+ buf + offset,
+ WIDTH * 4,
+ buf + offset2,
+ WIDTH * 4,
+ rand () & 0xFF);
+
+ gdk_window_process_updates (area->window, FALSE);
+ }
+
+ gdk_flush ();
+ total_time = g_timer_elapsed (timer, NULL) - start_time;
+
+ g_print ("%-20s "
+ "blend : %5.2fs, %8.1f fps, %8.2f megapixels/s\n",
+ enum_value->value_name,
+ total_time,
+ num_iters / total_time,
+ num_iters * (WIDTH * HEIGHT * 1e-6) / total_time);
+
+ /* gimp_preview_area_mask */
+ start_time = g_timer_elapsed (timer, NULL);
+
+ for (i = 0; i < num_iters; i++)
+ {
+ gint offset = (rand () % (WIDTH * HEIGHT * 4)) & -4;
+ gint offset2 = (rand () % (WIDTH * HEIGHT * 4)) & -4;
+ gint offset3 = (rand () % (WIDTH * HEIGHT * 4)) & -4;
+
+ gimp_preview_area_mask (GIMP_PREVIEW_AREA (area),
+ 0, 0, WIDTH, HEIGHT,
+ enum_value->value,
+ buf + offset,
+ WIDTH * 4,
+ buf + offset2,
+ WIDTH * 4,
+ buf + offset3,
+ WIDTH);
+
+ gdk_window_process_updates (area->window, FALSE);
+ }
+
+ gdk_flush ();
+ total_time = g_timer_elapsed (timer, NULL) - start_time;
+
+ g_print ("%-20s "
+ "mask : %5.2fs, %8.1f fps, %8.2f megapixels/s\n",
+ enum_value->value_name,
+ total_time,
+ num_iters / total_time,
+ num_iters * (WIDTH * HEIGHT * 1e-6) / total_time);
+ g_print ("\n");
+ }
+
+ start_time = g_timer_elapsed (timer, NULL);
+
+ for (i = 0; i < num_iters; i++)
+ {
+ guchar r = rand () % 0xFF;
+ guchar g = rand () % 0xFF;
+ guchar b = rand () % 0xFF;
+
+ gimp_preview_area_fill (GIMP_PREVIEW_AREA (area),
+ 0, 0, WIDTH, HEIGHT,
+ r, g, b);
+
+ gdk_window_process_updates (area->window, FALSE);
+ }
+
+ gdk_flush ();
+ total_time = g_timer_elapsed (timer, NULL) - start_time;
+ g_print ("%-20s "
+ "fill : %5.2fs, %8.1f fps, %8.2f megapixels/s\n",
+ "Color fill",
+ total_time,
+ num_iters / total_time,
+ num_iters * (WIDTH * HEIGHT * 1e-6) / total_time);
+ g_print ("\n");
+}
+
+static void
+test_preview_area (void)
+{
+ GtkWidget *window;
+ GtkWidget *area;
+
+ window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
+
+ gtk_window_set_accept_focus (GTK_WINDOW (window), FALSE);
+
+ area = gimp_preview_area_new ();
+ gtk_container_add (GTK_CONTAINER (window), area);
+ gtk_widget_show (area);
+
+ test_run (area, FALSE);
+
+ gtk_widget_show (window);
+
+ test_run (area, TRUE);
+}
+
+int
+main (int argc, char **argv)
+{
+ gtk_init (&argc, &argv);
+
+ test_preview_area ();
+
+ return EXIT_SUCCESS;
+}