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//
// benchmark-io.c: measure and compare image loading times
//
// Copyright (c) 2021 - 2023, Přemysl Eric Janouch <p@janouch.name>
//
// Permission to use, copy, modify, and/or distribute this software for any
// purpose with or without fee is hereby granted.
//
// THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
// WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
// MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
// SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
// WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
// OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
// CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
//
#include <gdk-pixbuf/gdk-pixbuf.h>
#include <gdk/gdk.h>
#include <time.h>
#include "fiv-io.h"
static double
timestamp(void)
{
struct timespec ts;
clock_gettime(CLOCK_MONOTONIC, &ts);
return ts.tv_sec + ts.tv_nsec / 1.e9;
}
static void
one_file(const char *filename)
{
GFile *file = g_file_new_for_commandline_arg(filename);
double since_us = timestamp(), us = 0;
FivIoOpenContext ctx = {
.uri = g_file_get_uri(file),
.screen_dpi = 96,
// Only using this array as a redirect.
.warnings = g_ptr_array_new_with_free_func(g_free),
};
cairo_surface_t *loaded_by_us = fiv_io_open(&ctx, NULL);
g_clear_object(&file);
g_free((char *) ctx.uri);
g_ptr_array_free(ctx.warnings, TRUE);
if (!loaded_by_us)
return;
cairo_surface_destroy(loaded_by_us);
us = timestamp() - since_us;
double since_pixbuf = timestamp(), pixbuf = 0;
GdkPixbuf *gdk_pixbuf = gdk_pixbuf_new_from_file(filename, NULL);
if (gdk_pixbuf) {
cairo_surface_t *loaded_by_pixbuf =
gdk_cairo_surface_create_from_pixbuf(gdk_pixbuf, 1, NULL);
g_object_unref(gdk_pixbuf);
cairo_surface_destroy(loaded_by_pixbuf);
pixbuf = timestamp() - since_pixbuf;
}
printf("%.3f\t%.3f\t%.0f%%\t%s\n", us, pixbuf, us / pixbuf * 100, filename);
}
int
main(int argc, char *argv[])
{
// Needed for gdk_cairo_surface_create_from_pixbuf().
gdk_init(&argc, &argv);
for (int i = 1; i < argc; i++)
one_file(argv[i]);
return 0;
}
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