summaryrefslogtreecommitdiff
path: root/perf/micro/glyphs.c
blob: 5f088b29e3170e7871fd89da417a351e1c82f2b6 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
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);
}