diff options
Diffstat (limited to 'libs/cairo-1.16.0/perf/micro/stroke.c')
-rw-r--r-- | libs/cairo-1.16.0/perf/micro/stroke.c | 100 |
1 files changed, 100 insertions, 0 deletions
diff --git a/libs/cairo-1.16.0/perf/micro/stroke.c b/libs/cairo-1.16.0/perf/micro/stroke.c new file mode 100644 index 0000000..4b29547 --- /dev/null +++ b/libs/cairo-1.16.0/perf/micro/stroke.c @@ -0,0 +1,100 @@ +/* + * Copyright © 2006 Red Hat, Inc. + * + * 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 + * Red Hat, Inc. not be used in advertising or publicity pertaining to + * distribution of the software without specific, written prior + * permission. Red Hat, Inc. makes no representations about the + * suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * RED HAT, INC. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS + * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS, IN NO EVENT SHALL RED HAT, INC. 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. + * + * Author: Carl D. Worth <cworth@cworth.org> + */ + +#include "cairo-perf.h" + +static cairo_time_t +do_stroke (cairo_t *cr, int width, int height, int loops) +{ + cairo_arc (cr, + width/2.0, height/2.0, + width/3.0, + 0, 2 * M_PI); + cairo_close_path (cr); + + cairo_set_line_width (cr, width/5.0); + + cairo_perf_timer_start (); + + while (loops--) + cairo_stroke_preserve (cr); + + cairo_perf_timer_stop (); + + cairo_new_path (cr); + + return cairo_perf_timer_elapsed (); +} + +static void +rounded_rectangle (cairo_t *cr, + double x, double y, double w, double h, + double radius) +{ + cairo_move_to (cr, x+radius, y); + cairo_arc (cr, x+w-radius, y+radius, radius, M_PI + M_PI / 2, M_PI * 2 ); + cairo_arc (cr, x+w-radius, y+h-radius, radius, 0, M_PI / 2 ); + cairo_arc (cr, x+radius, y+h-radius, radius, M_PI/2, M_PI ); + cairo_arc (cr, x+radius, y+radius, radius, M_PI, 270 * M_PI / 180); +} + +static cairo_time_t +do_strokes (cairo_t *cr, int width, int height, int loops) +{ + /* a pair of overlapping rectangles */ + rounded_rectangle (cr, + 2, 2, width/2. + 10, height/2. + 10, + 10); + rounded_rectangle (cr, + width/2. - 10, height/2. - 10, + width/2. - 2, height/2. - 2, + 10); + + cairo_set_line_width (cr, 2.); + + cairo_perf_timer_start (); + + while (loops--) + cairo_stroke_preserve (cr); + + cairo_perf_timer_stop (); + + cairo_new_path (cr); + + return cairo_perf_timer_elapsed (); +} + +cairo_bool_t +stroke_enabled (cairo_perf_t *perf) +{ + return cairo_perf_can_run (perf, "stroke", NULL); +} + +void +stroke (cairo_perf_t *perf, cairo_t *cr, int width, int height) +{ + cairo_perf_cover_sources_and_operators (perf, "stroke", do_stroke, NULL); + cairo_perf_cover_sources_and_operators (perf, "strokes", do_strokes, NULL); +} |