gtk/demos/testpixbuf.c

/* 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 Library 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
 * Library General Public License for more details.
 *
 * You should have received a copy of the GNU Library 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.
 */

/*
 * Modified by the GTK+ Team and others 1997-1999.  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. */

/* For gettimeofday */
#include <stdlib.h>
#include <unistd.h>
#include <string.h>

#include <gtk/gtk.h>
#include "gdk-pixbuf.h"

static void
quit_func (GtkWidget *widget, gpointer dummy)
{
  gtk_main_quit ();
}

static void
testrgb_rgb_test (GtkWidget *drawing_area, GdkPixBuf *pixbuf)
{
  guchar *buf;
  gint i, j;
  gint offset;
  guchar val;
  gdouble start_time, total_time;
  gint x, y;
  gboolean dither;
  int dith_max;

  buf = pixbuf->art_pixbuf->pixels;
  x = pixbuf->art_pixbuf->width;
  y = pixbuf->art_pixbuf->height;

  g_print("X: %d Y: %d\n", x, y);
while (TRUE) {
  if (pixbuf->art_pixbuf->has_alpha){
g_print("32\n");
 gdk_draw_rgb_32_image (drawing_area->window,
                      drawing_area->style->black_gc,
                      0, 0, x, y,
                      GDK_RGB_DITHER_MAX,
                      pixbuf->art_pixbuf->pixels,
		      pixbuf->art_pixbuf->rowstride);
}else{
g_print("24\n");
  gdk_draw_rgb_image (drawing_area->window,
		      drawing_area->style->white_gc,
		      0, 0, x, y,
		      GDK_RGB_DITHER_NORMAL,
		      buf,
                      pixbuf->art_pixbuf->rowstride);
}}

}

void
new_testrgb_window (GdkPixBuf *pixbuf)
{
  GtkWidget *window;
  GtkWidget *vbox;
  GtkWidget *button;
  GtkWidget *drawing_area;
  gint w, h;
 
  w = pixbuf->art_pixbuf->width;
  h = pixbuf->art_pixbuf->height;

  window = gtk_widget_new (gtk_window_get_type (),
			   "GtkObject::user_data", NULL,
			   "GtkWindow::type", GTK_WINDOW_TOPLEVEL,
			   "GtkWindow::title", "testrgb",
			   "GtkWindow::allow_shrink", FALSE,
			   NULL);
  gtk_signal_connect (GTK_OBJECT (window), "destroy",
		      (GtkSignalFunc) quit_func, NULL);

  vbox = gtk_vbox_new (FALSE, 0);

  drawing_area = gtk_drawing_area_new ();

  gtk_widget_set_usize (drawing_area, w, h);
  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);
  gtk_signal_connect_object (GTK_OBJECT (button), "clicked",
			     (GtkSignalFunc) gtk_widget_destroy,
			     GTK_OBJECT (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, pixbuf);
}

int
main (int argc, char **argv)
{
  GdkPixBuf *pixbuf;

  gtk_init (&argc, &argv);

  gdk_rgb_set_verbose (TRUE);

  gdk_rgb_init ();

  gtk_widget_set_default_colormap (gdk_rgb_get_cmap ());
  gtk_widget_set_default_visual (gdk_rgb_get_visual ());
  pixbuf = gdk_pixbuf_load_image ("test.gif");
  new_testrgb_window (pixbuf);

  gtk_main ();

  return 0;
}