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
|
/*
* 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 <math.h>
#include <cairo.h>
#include "caskbench.h"
#include "caskbench_context.h"
#include "cairo-shapes.h"
static cairo_surface_t *image;
static cairo_surface_t *cached_image;
int
ca_setup_clip(caskbench_context_t *ctx)
{
image = cairoCreateSampleImage (ctx);
cached_image = cairoCacheImageSurface (ctx, image);
return 1;
}
void
ca_teardown_clip(void)
{
cairo_surface_destroy (image);
cairo_surface_destroy (cached_image);
}
#if 1
// Single static star and random clip
int
ca_test_clip(caskbench_context_t *ctx)
{
int w = ctx->canvas_width;
int h = ctx->canvas_height;
double ratio;
ratio = (double) w/h;
shapes_t shape;
double scale_param_x = w/80;
double scale_param_y;
cairo_t *cr = ctx->cairo_cr;
shape_copy(&ctx->shape_defaults, &shape);
cairo_new_path(cr);
cairo_save (cr);
/* Draw star for the full screen size */
if (ratio > 1.0)
scale_param_y = scale_param_x * (1/ratio);
else if (ratio < 1.0)
scale_param_y = scale_param_x + (ratio);
else
scale_param_y = scale_param_x;
cairo_scale (cr, scale_param_x,scale_param_y);
shape.x = 0;
shape.y = 0;
shape.radius = 40;
shape.shape_type = CB_SHAPE_STAR;
shape.fill_type = CB_FILL_SOLID;
ca_set_fill_style(ctx, &shape);
cairoDrawRandomizedShape(ctx,&shape);
for (int i=0; i<ctx->size; i++) {
cairoDrawStar(ctx,&shape);
cairo_clip (cr);
double x1 = (double)rnd()/RAND_MAX * w;
double x2 = (double)rnd()/RAND_MAX * w;
double y1 = (double)rnd()/RAND_MAX * h;
double y2 = (double)rnd()/RAND_MAX * h;
cairo_set_source_surface (cr, cached_image, x1, y1);
// To scale without blur
cairo_pattern_set_filter(cairo_get_source(cr), CAIRO_FILTER_FAST);
cairo_paint (cr);
cairo_reset_clip(cr);
}
cairo_restore (cr);
return 1;
}
#else
// Random stars and random clip
int
ca_test_clip(caskbench_context_t *ctx)
{
int w = ctx->canvas_width;
int h = ctx->canvas_height;
shapes_t shape;
shape_copy(&ctx->shape_defaults, &shape);
cairo_set_source_rgb (ctx->cairo_cr, 0, 0, 0);
cairo_paint (ctx->cairo_cr);
cairo_t *cr = ctx->cairo_cr;
for (int i=0; i<ctx->size; i++) {
double i = (double)rnd()/RAND_MAX * w;
double j = (double)rnd()/RAND_MAX * h;
double x1 = (double)rnd()/RAND_MAX * 80;
double y1 = (double)rnd()/RAND_MAX * 80;
cairo_new_path(cr);
cairo_save (cr);
cairo_translate (cr,i,j);
cairo_scale(cr,0.5,0.5);
shape.x = 0;
shape.y = 0;
shape.radius = 40;
shape.shape_type = CB_SHAPE_STAR;
shape.fill_type = CB_FILL_SOLID;
ca_set_fill_style(ctx, &shape);
cairoDrawRandomizedShape(ctx,&shape);
cairoDrawStar(ctx,&shape);
cairo_clip(cr);
cairo_set_source_surface (cr, image, x1, y1);
cairo_paint (cr);
cairo_reset_clip(cr);
cairo_restore(cr);
}
return 1;
}
#endif
/*
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 :
|
