diff options
Diffstat (limited to 'libs/cairo-1.16.0/perf/micro/glyphs.c')
| -rw-r--r-- | libs/cairo-1.16.0/perf/micro/glyphs.c | 202 |
1 files changed, 202 insertions, 0 deletions
diff --git a/libs/cairo-1.16.0/perf/micro/glyphs.c b/libs/cairo-1.16.0/perf/micro/glyphs.c new file mode 100644 index 0000000..5f088b2 --- /dev/null +++ b/libs/cairo-1.16.0/perf/micro/glyphs.c @@ -0,0 +1,202 @@ +/* + * 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); +} |