+++ /dev/null
-/* GTK - The GIMP Toolkit
- * Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
- *
- * 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 2 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, write to the
- * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
- * Boston, MA 02111-1307, USA.
- */
-
-#include "config.h"
-
-#include <glib.h>
-
-/*
- * Modified by the GTK+ Team and others 1997-2000. See the AUTHORS
- * file for a list of people on the GTK+ Team. See the ChangeLog
- * files for a list of changes. These files are distributed with
- * GTK+ at ftp://ftp.gtk.org/pub/gtk/.
- */
-
-
-/* Note: these #includes differ slightly from the testrgb.c file included
- in the GdkRgb release. */
-
-#include <stdlib.h>
-#ifdef HAVE_UNISTD_H
-#include <unistd.h>
-#endif
-#include <string.h>
-
-#include "gtk/gtk.h"
-
-static void
-quit_func (GtkWidget *widget, gpointer dummy)
-{
- gtk_main_quit ();
-}
-
-#define WIDTH 640
-#define HEIGHT 400
-#define NUM_ITERS 50
-
-static void
-testrgb_rgb_test (GtkWidget *drawing_area)
-{
- guchar *buf;
- gint i, j;
- gint offset;
- guchar val;
- gdouble start_time, total_time;
- gint x, y;
- gboolean dither;
- int dith_max;
- GTimer *timer;
- GdkPixbuf *pixbuf;
- gboolean to_pixmap;
-
- buf = g_malloc (WIDTH * HEIGHT * 8);
-
- val = 0;
- for (j = 0; j < WIDTH * HEIGHT * 8; j++)
- {
- val = (val + ((val + (rand () & 0xff)) >> 1)) >> 1;
- buf[j] = val;
- }
-
- /* Let's warm up the cache, and also wait for the window manager
- to settle. */
- for (i = 0; i < NUM_ITERS; i++)
- {
- offset = (rand () % (WIDTH * HEIGHT * 3)) & -4;
- gdk_draw_rgb_image (drawing_area->window,
- drawing_area->style->white_gc,
- 0, 0, WIDTH, HEIGHT,
- GDK_RGB_DITHER_NONE,
- buf + offset, WIDTH * 3);
- }
-
- if (gdk_rgb_ditherable ())
- dith_max = 2;
- else
- dith_max = 1;
-
- timer = g_timer_new ();
- for (dither = 0; dither < dith_max; dither++)
- {
- start_time = g_timer_elapsed (timer, NULL);
- for (i = 0; i < NUM_ITERS; i++)
- {
- offset = (rand () % (WIDTH * HEIGHT * 3)) & -4;
- gdk_draw_rgb_image (drawing_area->window,
- drawing_area->style->white_gc,
- 0, 0, WIDTH, HEIGHT,
- dither ? GDK_RGB_DITHER_MAX :
- GDK_RGB_DITHER_NONE,
- buf + offset, WIDTH * 3);
- }
- gdk_flush ();
- total_time = g_timer_elapsed (timer, NULL) - start_time;
- g_print ("Color test%s time elapsed: %.2fs, %.1f fps, %.2f megapixels/s\n",
- dither ? " (dithered)" : "",
- total_time,
- NUM_ITERS / total_time,
- NUM_ITERS * (WIDTH * HEIGHT * 1e-6) / total_time);
- }
-
- for (dither = 0; dither < dith_max; dither++)
- {
- start_time = g_timer_elapsed (timer, NULL);
- for (i = 0; i < NUM_ITERS; i++)
- {
- offset = (rand () % (WIDTH * HEIGHT)) & -4;
- gdk_draw_gray_image (drawing_area->window,
- drawing_area->style->white_gc,
- 0, 0, WIDTH, HEIGHT,
- dither ? GDK_RGB_DITHER_MAX :
- GDK_RGB_DITHER_NONE,
- buf + offset, WIDTH);
- }
- gdk_flush ();
- total_time = g_timer_elapsed (timer, NULL) - start_time;
- g_print ("Grayscale test%s time elapsed: %.2fs, %.1f fps, %.2f megapixels/s\n",
- dither ? " (dithered)" : "",
- total_time,
- NUM_ITERS / total_time,
- NUM_ITERS * (WIDTH * HEIGHT * 1e-6) / total_time);
- }
-
- for (to_pixmap = FALSE; to_pixmap <= TRUE; to_pixmap++)
- {
- if (to_pixmap)
- {
- GdkRectangle rect = { 0, 0, WIDTH, HEIGHT };
- gdk_window_begin_paint_rect (drawing_area->window, &rect);
- }
-
- start_time = g_timer_elapsed (timer, NULL);
- for (i = 0; i < NUM_ITERS; i++)
- {
- cairo_t *cr;
-
- offset = (rand () % (WIDTH * HEIGHT * 4)) & -4;
- pixbuf = gdk_pixbuf_new_from_data (buf + offset, GDK_COLORSPACE_RGB, TRUE,
- 8, WIDTH, HEIGHT, WIDTH * 4,
- NULL, NULL);
- cr = gdk_cairo_create (drawing_area->window);
- gdk_cairo_set_source_pixbuf (cr, pixbuf, 0, 0);
- cairo_rectangle (cr, 0, 0, WIDTH, HEIGHT);
- cairo_fill (cr);
- cairo_destroy (cr);
- g_object_unref (pixbuf);
- }
- gdk_flush ();
- total_time = g_timer_elapsed (timer, NULL) - start_time;
-
- if (to_pixmap)
- gdk_window_end_paint (drawing_area->window);
-
- g_print ("Alpha test%s time elapsed: %.2fs, %.1f fps, %.2f megapixels/s\n",
- to_pixmap ? " (to pixmap)" : "",
- total_time,
- NUM_ITERS / total_time,
- NUM_ITERS * (WIDTH * HEIGHT * 1e-6) / total_time);
- }
-
- g_print ("Please submit these results to http://www.levien.com/gdkrgb/survey.html\n");
-
-#if 1
- for (x = 0; x < WIDTH; x++)
- {
- int cindex;
-
- cindex = (x * 8) / WIDTH;
- buf[x * 3] = cindex & 4 ? 0 : 255;
- buf[x * 3 + 1] = cindex & 2 ? 0 : 255;
- buf[x * 3 + 2] = cindex & 1 ? 0 : 255;
- }
- for (y = 1; y < (HEIGHT * 19) / 32; y++)
- {
- memcpy (buf + y * WIDTH * 3, buf, WIDTH * 3);
- }
- for (; y < (HEIGHT * 20) / 32; y++)
- {
- for (x = 0; x < WIDTH; x++)
- {
- guchar gray;
-
- gray = (x * 255) / (WIDTH - 1);
- buf[y * WIDTH * 3 + x * 3] = gray;
- buf[y * WIDTH * 3 + x * 3 + 1] = 0;
- buf[y * WIDTH * 3 + x * 3 + 2] = 0;
- }
- }
- for (; y < (HEIGHT * 21) / 32; y++)
- {
- for (x = 0; x < WIDTH; x++)
- {
- guchar gray;
-
- gray = (x * 255) / (WIDTH - 1);
- buf[y * WIDTH * 3 + x * 3] = 0;
- buf[y * WIDTH * 3 + x * 3 + 1] = gray;
- buf[y * WIDTH * 3 + x * 3 + 2] = 0;
- }
- }
- for (; y < (HEIGHT * 22) / 32; y++)
- {
- for (x = 0; x < WIDTH; x++)
- {
- guchar gray;
-
- gray = (x * 255) / (WIDTH - 1);
- buf[y * WIDTH * 3 + x * 3] = 0;
- buf[y * WIDTH * 3 + x * 3 + 1] = 0;
- buf[y * WIDTH * 3 + x * 3 + 2] = gray;
- }
- }
- for (; y < (HEIGHT * 24) / 32; y++)
- {
- for (x = 0; x < WIDTH; x++)
- {
- guchar gray;
-
- gray = 112 + (x * 31) / (WIDTH - 1);
- buf[y * WIDTH * 3 + x * 3] = gray;
- buf[y * WIDTH * 3 + x * 3 + 1] = gray;
- buf[y * WIDTH * 3 + x * 3 + 2] = gray;
- }
- }
- for (; y < (HEIGHT * 26) / 32; y++)
- {
- for (x = 0; x < WIDTH; x++)
- {
- guchar gray;
-
- gray = (x * 255) / (WIDTH - 1);
- buf[y * WIDTH * 3 + x * 3] = gray;
- buf[y * WIDTH * 3 + x * 3 + 1] = gray;
- buf[y * WIDTH * 3 + x * 3 + 2] = gray;
- }
- }
-
- for (; y < HEIGHT; y++)
- {
- for (x = 0; x < WIDTH; x++)
- {
- int cindex;
- guchar gray;
-
- cindex = (x * 16) / WIDTH;
- gray = cindex < 3 ? 0 :
- cindex < 5 ? 255 :
- cindex < 7 ? 128 :
- 0;
- buf[y * WIDTH * 3 + x * 3] = gray;
- buf[y * WIDTH * 3 + x * 3 + 1] = gray;
- buf[y * WIDTH * 3 + x * 3 + 2] = gray;
- }
- }
- gdk_draw_rgb_image (drawing_area->window,
- drawing_area->style->white_gc,
- 0, 0, WIDTH, HEIGHT, GDK_RGB_DITHER_MAX,
- buf, WIDTH * 3);
-#endif
-}
-
-void
-new_testrgb_window (void)
-{
- GtkWidget *window;
- GtkWidget *vbox;
- GtkWidget *button;
- GtkWidget *drawing_area;
-
- window = g_object_new (gtk_window_get_type (),
- "GtkObject::user_data", NULL,
- "GtkWindow::type", GTK_WINDOW_TOPLEVEL,
- "GtkWindow::title", "testrgb",
- NULL);
- g_signal_connect (window, "destroy",
- G_CALLBACK (quit_func), NULL);
-
- vbox = gtk_vbox_new (FALSE, 0);
-
- drawing_area = gtk_drawing_area_new ();
-
- gtk_widget_set_size_request (drawing_area, WIDTH, HEIGHT);
- gtk_box_pack_start (GTK_BOX (vbox), drawing_area, FALSE, FALSE, 0);
- gtk_widget_show (drawing_area);
-
- button = gtk_button_new_with_label ("Quit");
- gtk_box_pack_start (GTK_BOX (vbox), button, FALSE, FALSE, 0);
- g_signal_connect_swapped (button, "clicked",
- G_CALLBACK (gtk_widget_destroy), window);
-
- gtk_widget_show (button);
-
- gtk_container_add (GTK_CONTAINER (window), vbox);
- gtk_widget_show (vbox);
-
- gtk_widget_show (window);
-
- testrgb_rgb_test (drawing_area);
-}
-
-int
-main (int argc, char **argv)
-{
- gtk_init (&argc, &argv);
-
- gdk_rgb_set_verbose (TRUE);
-
- gtk_widget_set_default_colormap (gdk_rgb_get_colormap ());
- new_testrgb_window ();
-
- gtk_main ();
-
- return 0;
-}