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 cairo_perf_ticks_t
do_glyphs (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_status_t status;
double x, y;
int num_glyphs, n;
cairo_set_font_size (cr, 9);
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);
y = 0;
cairo_perf_timer_start ();
while (loops--) {
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);
if (cairo_status (cr) != CAIRO_STATUS_SUCCESS)
goto out;
x += extents.width;
} while (x < width);
y += extents.height;
} while (y < height);
}
out:
cairo_perf_timer_stop ();
cairo_glyph_free (glyphs);
cairo_glyph_free (glyphs_copy);
return cairo_perf_timer_elapsed ();
}
