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/*
* Copyright © 2006 Dan Amelang
*
* Permission to use, copy, modify, distribute, and sell this software
* and its documentation for any purpose is hereby granted without
* fee, provided that the above copyright notice appear in all copies
* and that both that copyright notice and this permission notice
* appear in supporting documentation, and that the name of
* the authors not be used in advertising or publicity pertaining to
* distribution of the software without specific, written prior
* permission. The authors make no representations about the
* suitability of this software for any purpose. It is provided "as
* is" without express or implied warranty.
*
* THE AUTHORS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS
* SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
* FITNESS, IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY SPECIAL,
* 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.
*
* Authors: Dan Amelang <dan@amelang.net>
*
* This test was originally created to test _cairo_fixed_from_double.
* cairo_pattern_create_radial was selected as the entry point into
* cairo as it makes several calls to _cairo_fixed_from_double and
* presents a somewhat realistic use-case (although the RADIALS_COUNT
* isn't very realistic).
*/
#include <time.h>
#include "cairo-perf.h"
#define RADIALS_COUNT (10000)
static struct
{
double cx0;
double cy0;
double radius0;
double cx1;
double cy1;
double radius1;
} radials[RADIALS_COUNT];
static double
generate_double_in_range (double min, double max)
{
double d;
d = rand () / (double) RAND_MAX;
d *= max - min;
d += min;
return d;
}
static cairo_time_t
do_pattern_create_radial (cairo_t *cr, int width, int height, int loops)
{
cairo_perf_timer_start ();
while (loops--) {
cairo_pattern_t *pattern;
int i;
for (i = 0; i < RADIALS_COUNT; i++) {
pattern =
cairo_pattern_create_radial (radials[i].cx0, radials[i].cy0,
radials[i].radius0,
radials[i].cx1, radials[i].cy1,
radials[i].radius1);
cairo_pattern_destroy (pattern);
}
}
cairo_perf_timer_stop ();
return cairo_perf_timer_elapsed ();
}
void
pattern_create_radial (cairo_perf_t *perf, cairo_t *cr, int width, int height)
{
int i;
if (! cairo_perf_can_run (perf, "pattern-create-radial", NULL))
return;
srand (time (0));
for (i = 0; i < RADIALS_COUNT; i++)
{
radials[i].cx0 = generate_double_in_range (-50000.0, 50000.0);
radials[i].cy0 = generate_double_in_range (-50000.0, 50000.0);
radials[i].radius0 = generate_double_in_range (0.0, 1000.0);
radials[i].cx1 = generate_double_in_range (-50000.0, 50000.0);
radials[i].cy1 = generate_double_in_range (-50000.0, 50000.0);
radials[i].radius1 = generate_double_in_range (0.0, 1000.0);
}
cairo_perf_run (perf, "pattern-create-radial",
do_pattern_create_radial, NULL);
}
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