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/*
* Copyright © 2006 Red Hat, Inc.
* Copyright © 2009 Chris Wilson
*
* 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>
* Chris Wilson <chris@chris-wilson.co.uk>
*/
#include "cairo-perf.h"
static cairo_time_t
do_mask_solid (cairo_t *cr, int width, int height, int loops)
{
cairo_pattern_t *mask;
mask = cairo_pattern_create_rgba (0, 0, 0, .5);
cairo_perf_timer_start ();
while (loops--)
cairo_mask (cr, mask);
cairo_perf_timer_stop ();
cairo_pattern_destroy (mask);
return cairo_perf_timer_elapsed ();
}
static cairo_surface_t *
init_surface (cairo_surface_t *surface, int width, int height)
cairo_t *cr;
cr = cairo_create (surface);
cairo_surface_destroy (surface);
cairo_set_operator (cr, CAIRO_OPERATOR_SOURCE);
cairo_set_source_rgb (cr, 0, 0, 0); /* back */
cairo_paint (cr);
cairo_set_source_rgba (cr, 1, 1, 1, 0.5); /* 50% */
cairo_new_path (cr);
cairo_rectangle (cr, 0, 0, width/2.0, height/2.0);
cairo_rectangle (cr, width/2.0, height/2.0, width/2.0, height/2.0);
cairo_fill (cr);
surface = cairo_surface_reference (cairo_get_target (cr));
cairo_destroy (cr);
return surface;
do_mask_image (cairo_t *cr, int width, int height, int loops)
cairo_surface_t *surface;
surface = cairo_image_surface_create (CAIRO_FORMAT_A8, width, height);
mask = cairo_pattern_create_for_surface (init_surface (surface,
width,
height));
do_mask_image_half (cairo_t *cr, int width, int height, int loops)
cairo_matrix_t matrix;
cairo_matrix_init_scale (&matrix, .5, .5);
cairo_pattern_set_matrix (mask, &matrix);
do_mask_image_double (cairo_t *cr, int width, int height, int loops)
cairo_matrix_init_scale (&matrix, 2., 2.);
do_mask_similar (cairo_t *cr, int width, int height, int loops)
surface = cairo_surface_create_similar (cairo_get_group_target (cr),
CAIRO_CONTENT_ALPHA, width, height);
do_mask_similar_half (cairo_t *cr, int width, int height, int loops)
do_mask_similar_double (cairo_t *cr, int width, int height, int loops)
do_mask_linear (cairo_t *cr, int width, int height, int loops)
mask = cairo_pattern_create_linear (0.0, 0.0, width, height);
cairo_pattern_add_color_stop_rgba (mask, 0.0, 0, 0, 0, 0.5); /* 50% */
cairo_pattern_add_color_stop_rgba (mask, 0.0, 0, 0, 0, 1.0); /* 100% */
do_mask_radial (cairo_t *cr, int width, int height, int loops)
mask = cairo_pattern_create_radial (width/2.0, height/2.0, 0.0,
width/2.0, height/2.0, width/2.0);
cairo_bool_t
mask_enabled (cairo_perf_t *perf)
return cairo_perf_can_run (perf, "mask", NULL);
void
mask (cairo_perf_t *perf, cairo_t *cr, int width, int height)
if (! cairo_perf_can_run (perf, "mask", NULL))
return;
cairo_perf_cover_sources_and_operators (perf, "mask-solid",
do_mask_solid, NULL);
cairo_perf_cover_sources_and_operators (perf, "mask-image",
do_mask_image, NULL);
cairo_perf_cover_sources_and_operators (perf, "mask-image-half",
do_mask_image_half, NULL);
cairo_perf_cover_sources_and_operators (perf, "mask-image-double",
do_mask_image_double, NULL);
cairo_perf_cover_sources_and_operators (perf, "mask-similar",
do_mask_similar, NULL);
cairo_perf_cover_sources_and_operators (perf, "mask-similar-half",
do_mask_similar_half, NULL);
cairo_perf_cover_sources_and_operators (perf, "mask-similar-double",
do_mask_similar_double, NULL);
cairo_perf_cover_sources_and_operators (perf, "mask-linear",
do_mask_linear, NULL);
cairo_perf_cover_sources_and_operators (perf, "mask-radial",
do_mask_radial, NULL);