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/* 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;
}
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