Grcov report - disjoint.c

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/* -*- Mode: c; tab-width: 8; c-basic-offset: 4; indent-tabs-mode: t; -*- */

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/* cairo - a vector graphics library with display and print output

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 * Copyright (c) 2011 Intel Corporation

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 * Permission is hereby granted, free of charge, to any person

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 * obtaining a copy of this software and associated documentation

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 * files (the "Software"), to deal in the Software without

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 * restriction, including without limitation the rights to use,

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 * copy, modify, merge, publish, distribute, sublicense, and/or sell

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 * copies of the Software, and to permit persons to whom the

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 * Software is furnished to do so, subject to the following

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 * conditions:

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 * The above copyright notice and this permission notice shall be

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 * included in all copies or substantial portions of the Software.

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 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,

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 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES

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 * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND

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 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT

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 * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,

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 * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING

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 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR

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 * OTHER DEALINGS IN THE SOFTWARE.

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*/

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#include "cairo-perf.h"

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#include <assert.h>

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#define STEP	5

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static void path (cairo_t *cr, int width, int height)

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    int i;

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    cairo_rectangle (cr, 0, 0, width, height);

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    cairo_clip (cr);

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    cairo_translate (cr, width/2, height/2);

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    cairo_rotate (cr, M_PI/4);

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    cairo_translate (cr, -width/2, -height/2);

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    for (i = 0; i < width; i += STEP) {

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	cairo_rectangle (cr, i, -2, 1, height+4);

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	cairo_rectangle (cr, -2, i, width+4, 1);

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static void clip (cairo_t *cr, int width, int height)

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    int i, j;

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    for (j = 0; j < height; j += 2*STEP) {

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	for (i = 0; i < width; i += 2*STEP)

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	    cairo_rectangle (cr, i, j, STEP, STEP);

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	j += 2*STEP;

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	for (i = 0; i < width; i += 2*STEP)

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	    cairo_rectangle (cr, i+STEP/2, j, STEP, STEP);

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    cairo_clip (cr);

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static cairo_time_t

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

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    cairo_save (cr);

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    cairo_set_source_rgb (cr, 1, 1, 1);

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    cairo_paint (cr);

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    cairo_set_source_rgb (cr, 1, 0, 0);

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    cairo_perf_timer_start ();

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    while (loops--) {

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	cairo_save (cr);

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	clip (cr, width, height);

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	path (cr, width, height);

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	cairo_fill (cr);

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	cairo_restore (cr);

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    cairo_perf_timer_stop ();

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    cairo_restore (cr);

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    return cairo_perf_timer_elapsed ();

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cairo_bool_t

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disjoint_enabled (cairo_perf_t *perf)

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

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void

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

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    if (! cairo_perf_can_run (perf, "disjoint", NULL))

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	return;

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    cairo_perf_run (perf, "disjoint", draw, NULL);

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