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
|
/*
* 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 <SkCanvas.h>
#include <SkPaint.h>
#include <SkRect.h>
#include <SkGradientShader.h>
#include "caskbench.h"
#include "caskbench_context.h"
#include "skia-shapes.h"
/* TODO:
* - Specify with or without alpha
* - With or without antialiasing?
* - Stroke width should be via the shape defaults
*/
int
sk_setup_linear_gradient(caskbench_context_t *ctx)
{
return 1;
}
void
sk_teardown_linear_gradient(void)
{
}
int
sk_test_linear_gradient(caskbench_context_t *ctx)
{
int w = ctx->canvas_width;
int h = ctx->canvas_height;
SkShader *shader = NULL;
SkColor colors[10];
SkPoint points[2];
for (int i=0; i<NUM_ELEM(colors); i++)
colors[i] = skiaRandomColor();
points[0].fX = SkIntToScalar(0);
points[0].fY = SkIntToScalar(0);
points[1].fX = SkIntToScalar(100);
points[1].fY = SkIntToScalar(100);
shader = SkGradientShader::CreateLinear(
points, colors, NULL, NUM_ELEM(colors),
SkShader::kClamp_TileMode);
shapes_t shape;
shape_copy(&ctx->shape_defaults, &shape);
for (int i=0; i<ctx->size; i++) {
double x1 = (double)rand()/RAND_MAX * w;
double x2 = (double)rand()/RAND_MAX * w;
double y1 = (double)rand()/RAND_MAX * h;
double y2 = (double)rand()/RAND_MAX * h;
double xx = MIN(x1, x2);
double yy = MIN(x1, x2);
double ww = abs(x2 - x1);
double hh = abs(y2 - y1);
// transform(shape.width/100, 0, 0, shape.height/100, 0, 0)
shape.x = 0;
shape.y = 0;
shape.width = 100;
shape.height = 100;
shape.fill_type = CB_FILL_LINEAR_GRADIENT;
ctx->skia_paint->setStyle(SkPaint::kFill_Style);
ctx->skia_paint->setShader(shader);
skiaRandomizePaintColor(ctx);
skiaDrawRectangle(ctx, &shape);
if (shader)
shader->unref();
}
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 :
|
