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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_glyphs (double font_size,
cairo_antialias_t antialias,
cairo_t *cr, int width, int height, int loops)
{
const char text[] = "the jay, pig, fox, zebra and my wolves quack";
cairo_scaled_font_t *scaled_font;
cairo_glyph_t *glyphs = NULL, *glyphs_copy;
cairo_text_extents_t extents;
cairo_font_options_t *options;
cairo_status_t status;
double x, y;
int num_glyphs, n;
options = cairo_font_options_create ();
cairo_font_options_set_antialias (options, antialias);
cairo_set_font_options (cr, options);
cairo_font_options_destroy (options);
cairo_select_font_face (cr,
"@cairo:",
CAIRO_FONT_SLANT_NORMAL,
CAIRO_FONT_WEIGHT_NORMAL);
cairo_set_font_size (cr, font_size);
scaled_font = cairo_get_scaled_font (cr);
status = cairo_scaled_font_text_to_glyphs (scaled_font, 0., 0.,
text, -1,
&glyphs, &num_glyphs,
NULL, NULL,
NULL);
if (status)
return 0;
glyphs_copy = cairo_glyph_allocate (num_glyphs);
if (glyphs_copy == NULL) {
cairo_glyph_free (glyphs);
return 0;
}
cairo_scaled_font_glyph_extents (scaled_font,
glyphs, num_glyphs,
&extents);
cairo_perf_timer_start ();
while (loops--) {
y = 0;
do {
x = 0;
do {
for (n = 0; n < num_glyphs; n++) {
glyphs_copy[n] = glyphs[n];
glyphs_copy[n].x += x;
glyphs_copy[n].y += y;
}
cairo_show_glyphs (cr, glyphs_copy, num_glyphs);
x += extents.width;
} while (x < width);
y += extents.height;
} while (y < height);
}
cairo_perf_timer_stop ();
cairo_glyph_free (glyphs);
cairo_glyph_free (glyphs_copy);
return cairo_perf_timer_elapsed ();
}
static double
count_glyphs (double font_size,
cairo_antialias_t antialias,
cairo_t *cr, int width, int height)
{
const char text[] = "the jay, pig, fox, zebra and my wolves quack";
cairo_scaled_font_t *scaled_font;
cairo_glyph_t *glyphs = NULL;
cairo_text_extents_t extents;
cairo_font_options_t *options;
cairo_status_t status;
int num_glyphs;
int glyphs_per_line, lines_per_loop;
options = cairo_font_options_create ();
cairo_font_options_set_antialias (options, antialias);
cairo_set_font_options (cr, options);
cairo_font_options_destroy (options);
cairo_select_font_face (cr,
"@cairo:",
CAIRO_FONT_SLANT_NORMAL,
CAIRO_FONT_WEIGHT_NORMAL);
cairo_set_font_size (cr, font_size);
scaled_font = cairo_get_scaled_font (cr);
status = cairo_scaled_font_text_to_glyphs (scaled_font, 0., 0.,
text, -1,
&glyphs, &num_glyphs,
NULL, NULL,
NULL);
if (status)
return 0;
cairo_scaled_font_glyph_extents (scaled_font,
glyphs, num_glyphs,
&extents);
cairo_glyph_free (glyphs);
glyphs_per_line = num_glyphs * width / extents.width + 1;
lines_per_loop = height / extents.height + 1;
return glyphs_per_line * lines_per_loop / 1000.; /* kiloglyphs */
}
#define DECL(name,size, aa) \
static cairo_time_t \
do_glyphs##name (cairo_t *cr, int width, int height, int loops) \
{ \
return do_glyphs (size, aa, cr, width, height, loops); \
} \
\
static double \
count_glyphs##name (cairo_t *cr, int width, int height) \
{ \
return count_glyphs (size, aa, cr, width, height); \
}
DECL(8, 8, CAIRO_ANTIALIAS_GRAY)
DECL(10, 10, CAIRO_ANTIALIAS_GRAY)
DECL(12, 12, CAIRO_ANTIALIAS_GRAY)
DECL(16, 16, CAIRO_ANTIALIAS_GRAY)
DECL(20, 20, CAIRO_ANTIALIAS_GRAY)
DECL(24, 24, CAIRO_ANTIALIAS_GRAY)
DECL(32, 32, CAIRO_ANTIALIAS_GRAY)
DECL(40, 40, CAIRO_ANTIALIAS_GRAY)
DECL(48, 48, CAIRO_ANTIALIAS_GRAY)
DECL(8ca, 8, CAIRO_ANTIALIAS_SUBPIXEL)
DECL(48ca, 48, CAIRO_ANTIALIAS_SUBPIXEL)
DECL(8mono, 8, CAIRO_ANTIALIAS_NONE)
DECL(48mono, 48, CAIRO_ANTIALIAS_NONE)
cairo_bool_t
glyphs_enabled (cairo_perf_t *perf)
{
return cairo_perf_can_run (perf, "glyphs", NULL);
}
void
glyphs (cairo_perf_t *perf, cairo_t *cr, int width, int height)
{
cairo_perf_cover_sources_and_operators (perf, "glyphs8mono", do_glyphs8mono, count_glyphs8mono);
cairo_perf_cover_sources_and_operators (perf, "glyphs8", do_glyphs8, count_glyphs8);
cairo_perf_cover_sources_and_operators (perf, "glyphs8ca", do_glyphs8ca, count_glyphs8ca);
cairo_set_operator (cr, CAIRO_OPERATOR_OVER);
cairo_set_source_rgb (cr, 0, 0, 0);
cairo_perf_run (perf, "glyphs8", do_glyphs8, count_glyphs8);
cairo_perf_run (perf, "glyphs10", do_glyphs10, count_glyphs10);
cairo_perf_run (perf, "glyphs12", do_glyphs12, count_glyphs12);
cairo_perf_run (perf, "glyphs16", do_glyphs16, count_glyphs16);
cairo_perf_run (perf, "glyphs20", do_glyphs20, count_glyphs20);
cairo_perf_run (perf, "glyphs24", do_glyphs24, count_glyphs24);
cairo_perf_run (perf, "glyphs32", do_glyphs32, count_glyphs32);
cairo_perf_run (perf, "glyphs40", do_glyphs40, count_glyphs40);
cairo_perf_run (perf, "glyphs48", do_glyphs48, count_glyphs48);
cairo_perf_cover_sources_and_operators (perf, "glyphs48mono", do_glyphs48mono, count_glyphs48mono);
cairo_perf_cover_sources_and_operators (perf, "glyphs48", do_glyphs48, count_glyphs48);
cairo_perf_cover_sources_and_operators (perf, "glyphs48ca", do_glyphs48ca, count_glyphs48ca);
}