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#include <eel/eel-gdk-pixbuf-extensions.h>
#include "test.h"
#define N_SCALES 100
#define DEST_WIDTH 32
#define DEST_HEIGHT 32
int
main (int argc, char* argv[])
{
GdkPixbuf *pixbuf, *scaled;
GError *error;
gint64 t1, t2;
int i;
test_init (&argc, &argv);
if (argc != 2) {
printf ("Usage: test <image filename>\n");
exit (1);
}
error = NULL;
pixbuf = gdk_pixbuf_new_from_file (argv[1], &error);
if (pixbuf == NULL) {
printf ("error loading pixbuf: %s\n", error->message);
exit (1);
}
printf ("scale factors: %f, %f\n",
(double)gdk_pixbuf_get_width(pixbuf)/DEST_WIDTH,
(double)gdk_pixbuf_get_height(pixbuf)/DEST_HEIGHT);
t1 = g_get_monotonic_time ();
for (i = 0; i < N_SCALES; i++) {
scaled = eel_gdk_pixbuf_scale_down (pixbuf, DEST_WIDTH, DEST_HEIGHT);
g_object_unref (scaled);
}
t2 = g_get_monotonic_time ();
g_print ("Time for eel_gdk_pixbuf_scale_down: %" G_GINT64_FORMAT " msecs\n",
(t2 - t1) / G_TIME_SPAN_MILLISECOND);
t1 = g_get_monotonic_time ();
for (i = 0; i < N_SCALES; i++) {
scaled = gdk_pixbuf_scale_simple (pixbuf, DEST_WIDTH, DEST_HEIGHT, GDK_INTERP_NEAREST);
g_object_unref (scaled);
}
t2 = g_get_monotonic_time ();
g_print ("Time for INTERP_NEAREST: %" G_GINT64_FORMAT " msecs\n",
(t2 - t1) / G_TIME_SPAN_MILLISECOND);
t1 = g_get_monotonic_time ();
for (i = 0; i < N_SCALES; i++) {
scaled = gdk_pixbuf_scale_simple (pixbuf, DEST_WIDTH, DEST_HEIGHT, GDK_INTERP_BILINEAR);
g_object_unref (scaled);
}
t2 = g_get_monotonic_time ();
g_print ("Time for INTERP_BILINEAR: %" G_GINT64_FORMAT " msecs\n",
(t2 - t1) / G_TIME_SPAN_MILLISECOND);
scaled = eel_gdk_pixbuf_scale_down (pixbuf, DEST_WIDTH, DEST_HEIGHT);
gdk_pixbuf_save (scaled, "eel_scaled.png", "png", NULL, NULL);
g_object_unref (scaled);
scaled = gdk_pixbuf_scale_simple (pixbuf, DEST_WIDTH, DEST_HEIGHT, GDK_INTERP_NEAREST);
gdk_pixbuf_save (scaled, "nearest_scaled.png", "png", NULL, NULL);
g_object_unref (scaled);
scaled = gdk_pixbuf_scale_simple (pixbuf, DEST_WIDTH, DEST_HEIGHT, GDK_INTERP_BILINEAR);
gdk_pixbuf_save (scaled, "bilinear_scaled.png", "png", NULL, NULL);
g_object_unref (scaled);
return 0;
}
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