perf/rectangles.c

   1 /*
   2  * Copyright © 2006 Dan Amelang
   3  *
   4  * Permission to use, copy, modify, distribute, and sell this software
   5  * and its documentation for any purpose is hereby granted without
   6  * fee, provided that the above copyright notice appear in all copies
   7  * and that both that copyright notice and this permission notice
   8  * appear in supporting documentation, and that the name of
   9  * the authors not be used in advertising or publicity pertaining to
  10  * distribution of the software without specific, written prior
  11  * permission. The authors make no representations about the
  12  * suitability of this software for any purpose.  It is provided "as
  13  * is" without express or implied warranty.
  14  *
  15  * THE AUTHORS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS
  16  * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
  17  * FITNESS, IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY SPECIAL,
  18  * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER
  19  * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
  20  * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR
  21  * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  22  *
  23  * Authors: Dan Amelang <dan@amelang.net>
  24  */
  25 #include "cairo-perf.h"
  26
  27 #define RECTANGLE_COUNT (1000)
  28
  29 static struct
  30 {
  31     double x;
  32     double y;
  33     double width;
  34     double height;
  35 } rects[RECTANGLE_COUNT];
  36
  37 static cairo_perf_ticks_t
  38 do_rectangles (cairo_t *cr, int width, int height)
  39 {
  40     int i;
  41
  42     cairo_perf_timer_start ();
  43
  44     for (i = 0; i < RECTANGLE_COUNT; i++)
  45     {
  46         cairo_rectangle (cr, rects[i].x, rects[i].y,
  47                              rects[i].width, rects[i].height);
  48         cairo_fill (cr);
  49     }
  50
  51     cairo_perf_timer_stop ();
  52
  53     return cairo_perf_timer_elapsed ();
  54 }
  55
  56 void
  57 rectangles (cairo_perf_t *perf, cairo_t *cr, int width, int height)
  58 {
  59     int i;
  60
  61     srand (8478232);
  62     for (i = 0; i < RECTANGLE_COUNT; i++)
  63     {
  64         rects[i].x = rand () % width;
  65         rects[i].y = rand () % height;
  66         rects[i].width  = (rand () % (width / 10)) + 1;
  67         rects[i].height = (rand () % (height / 10)) + 1;
  68     }
  69
  70     cairo_perf_run (perf, "rectangles", do_rectangles);
  71 }