Grcov report - stroke.c

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/*

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 * Copyright © 2006 Red Hat, Inc.

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 * Permission to use, copy, modify, distribute, and sell this software

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 * and its documentation for any purpose is hereby granted without

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 * fee, provided that the above copyright notice appear in all copies

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 * and that both that copyright notice and this permission notice

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 * appear in supporting documentation, and that the name of

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 * Red Hat, Inc. not be used in advertising or publicity pertaining to

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 * distribution of the software without specific, written prior

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 * permission. Red Hat, Inc. makes no representations about the

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 * suitability of this software for any purpose.  It is provided "as

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 * is" without express or implied warranty.

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 * RED HAT, INC. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS

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 * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND

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 * FITNESS, IN NO EVENT SHALL RED HAT, INC. BE LIABLE FOR ANY SPECIAL,

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 * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER

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 * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION

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 * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR

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 * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.

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 * Author: Carl D. Worth <cworth@cworth.org>

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*/

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#include "cairo-perf.h"

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static cairo_time_t

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do_stroke (cairo_t *cr, int width, int height, int loops)

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    cairo_arc (cr,

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	       width/2.0, height/2.0,

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	       width/3.0,

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	       0, 2 * M_PI);

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    cairo_close_path (cr);

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    cairo_set_line_width (cr, width/5.0);

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    cairo_perf_timer_start ();

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    while (loops--)

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	cairo_stroke_preserve (cr);

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    cairo_perf_timer_stop ();

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    cairo_new_path (cr);

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    return cairo_perf_timer_elapsed ();

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static void

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rounded_rectangle (cairo_t *cr,

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		   double x, double y, double w, double h,

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		   double radius)

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    cairo_move_to (cr, x+radius, y);

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    cairo_arc (cr, x+w-radius, y+radius,   radius, M_PI + M_PI / 2, M_PI * 2        );

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    cairo_arc (cr, x+w-radius, y+h-radius, radius, 0,               M_PI / 2        );

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    cairo_arc (cr, x+radius,   y+h-radius, radius, M_PI/2,          M_PI            );

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    cairo_arc (cr, x+radius,   y+radius,   radius, M_PI,            270 * M_PI / 180);

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static cairo_time_t

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do_strokes (cairo_t *cr, int width, int height, int loops)

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    /* a pair of overlapping rectangles */

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    rounded_rectangle (cr,

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		       2, 2, width/2. + 10, height/2. + 10,

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		       10);

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    rounded_rectangle (cr,

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		       width/2. - 10, height/2. - 10,

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		       width/2. - 2, height/2. - 2,

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		       10);

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    cairo_set_line_width (cr, 2.);

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    cairo_perf_timer_start ();

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    while (loops--)

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	cairo_stroke_preserve (cr);

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    cairo_perf_timer_stop ();

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    cairo_new_path (cr);

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    return cairo_perf_timer_elapsed ();

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cairo_bool_t

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stroke_enabled (cairo_perf_t *perf)

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    return cairo_perf_can_run (perf, "stroke", NULL);

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void

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stroke (cairo_perf_t *perf, cairo_t *cr, int width, int height)

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    cairo_perf_cover_sources_and_operators (perf, "stroke", do_stroke, NULL);

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    cairo_perf_cover_sources_and_operators (perf, "strokes", do_strokes, NULL);

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