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/*
* Copyright 2014 © Samsung Research America, Silicon Valley
*
* Use of this source code is governed by the 3-Clause BSD license
* specified in the COPYING file included with this source code.
*/
#include <config.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <cairo.h>
#include "caskbench.h"
#include "caskbench_context.h"
#include "cairo-shapes.h"
// This test converts a text string to glyphs and displays it at various font sizes
static int max_dim;
static char rand_text_array[19][100];
static void
gen_random(char *s, const int len) {
static const char alphanum[] =
"ABCD EFG HIJKL MNOPQ RSTUVW XYZ";
for (int i = 0; i < len; ++i) {
s[i] = alphanum[rand() % (sizeof(alphanum) - 1)];
}
s[len] = 0;
}
int
ca_setup_text_glyphs(caskbench_context_t *ctx)
{
max_dim = MIN (ctx->canvas_width, ctx->canvas_height)/2;
return 1;
}
void
ca_teardown_text_glyphs(void)
{
}
int
ca_test_text_glyphs(caskbench_context_t *ctx)
{
cairo_t *cr = ctx->cairo_cr;
double font_size = 18;
int ypos = 15, xpos = 0;
int num_glyphs = 0, num_clusters = 0;
double font_factor = 0.5;
cairo_set_source_rgb (cr, 0, 0, 0);
cairo_rectangle (cr, 0, 0, ctx->canvas_width ,ctx->canvas_height);
cairo_fill (cr);
for (int i = 0; i < ctx->size; i++)
{
num_glyphs = 0;
num_clusters = 0;
cairo_set_font_size (cr, font_size);
cairoRandomizeColor (ctx);
cairo_status_t status;
cairo_scaled_font_t *font;
font = cairo_get_scaled_font (cr);
cairo_glyph_t *glyphs = NULL;
cairo_text_cluster_t *clusters = NULL;
cairo_text_cluster_flags_t cluster_flags;
char text[(int)font_size];
gen_random (text,font_size);
status = cairo_scaled_font_text_to_glyphs (font,
xpos, ypos,
text, font_size,
&glyphs, &num_glyphs,
&clusters, &num_clusters, &cluster_flags);
if (status == CAIRO_STATUS_SUCCESS) {
cairo_show_text_glyphs (cr,
text,font_size,
glyphs, num_glyphs,
clusters, num_clusters, cluster_flags);
}
font_size = font_size+font_factor;
ypos += (font_size/2);
if (font_size >= 36)
font_size = 36;
if (ypos > ctx->canvas_height/2)
font_factor = -0.5;
if (font_size < 18)
font_size = 18;
}
return 1;
}
/*
Local Variables:
mode:c++
c-file-style:"stroustrup"
c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
indent-tabs-mode:nil
fill-column:99
End:
*/
// vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:fileencoding=utf-8:textwidth=99 :
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