perf/long-dashed-lines.c

   1 /* -*- Mode: c; tab-width: 8; c-basic-offset: 4; indent-tabs-mode: t; -*- */
   2 /*
   3  * Copyright © 2007 Mozilla Corporation
   4  *
   5  * Permission is hereby granted, free of charge, to any person
   6  * obtaining a copy of this software and associated documentation
   7  * files (the "Software"), to deal in the Software without
   8  * restriction, including without limitation the rights to use, copy,
   9  * modify, merge, publish, distribute, sublicense, and/or sell copies
  10  * of the Software, and to permit persons to whom the Software is
  11  * furnished to do so, subject to the following conditions:
  12  *
  13  * The above copyright notice and this permission notice shall be
  14  * included in all copies or substantial portions of the Software.
  15  *
  16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  17  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  18  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  19  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
  20  * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
  21  * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  22  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  23  * SOFTWARE.
  24  *
  25  * Author: Vladimir Vukicevic <vladimir@pobox.com>
  26  */
  27
  28 #include "cairo-perf.h"
  29
  30 static cairo_perf_ticks_t
  31 do_long_dashed_lines (cairo_t *cr, int width, int height)
  32 {
  33     double dash[2] = { 2.0, 2.0 };
  34     int i;
  35
  36     cairo_save (cr);
  37     cairo_set_source_rgb (cr, 1.0, 1.0, 1.0);
  38     cairo_paint (cr);
  39
  40     cairo_set_source_rgb (cr, 1.0, 0.0, 0.0);
  41     cairo_set_dash (cr, dash, 2, 0.0);
  42
  43     cairo_perf_timer_start ();
  44
  45     cairo_new_path (cr);
  46     cairo_set_line_width (cr, 1.0);
  47
  48     for (i = 0; i < height-1; i++) {
  49         double y0 = (double) i + 0.5;
  50         cairo_move_to (cr, 0.0, y0);
  51         cairo_line_to (cr, width, y0);
  52     }
  53
  54     cairo_stroke (cr);
  55
  56     cairo_perf_timer_stop ();
  57
  58     cairo_restore (cr);
  59
  60     return cairo_perf_timer_elapsed ();
  61 }
  62
  63 void
  64 long_dashed_lines (cairo_perf_t *perf, cairo_t *cr, int width, int height)
  65 {
  66     cairo_perf_run (perf, "long-dashed-lines", do_long_dashed_lines);
  67 }