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
|
#include "test.h"
float lineWidth = 10.f;
const char* imgPath = "data/miroir.jpg";
VkvgPattern create_grad (VkvgContext ctx) {
VkvgPattern pat = vkvg_pattern_create_linear(0,0,200,0);
vkvg_pattern_add_color_stop(pat, 0, 1, 0, 0, 1);
vkvg_pattern_add_color_stop(pat, 0.5, 0, 1, 0, 1);
vkvg_pattern_add_color_stop(pat, 1.0, 0, 0, 1, 1);
return pat;
}
VkvgSurface createSurf (uint32_t width, uint32_t height) {
VkvgSurface s = vkvg_surface_create(device, width, height);
VkvgContext ctx = _initCtx(surf);
vkvg_set_line_width(ctx,lineWidth);
float hlw = lineWidth/2.f;
/*
vkvg_set_source_rgba(ctx,0,1,0,0.5);
vkvg_fill_preserve(ctx);*/
vkvg_set_source_rgba(ctx,1,0,0,0.5);
vkvg_paint(ctx);
vkvg_set_source_rgba(ctx,0,0,1,0.5);
vkvg_rectangle(ctx,hlw,hlw,(float)width-lineWidth,(float)height-lineWidth);
vkvg_stroke(ctx);
vkvg_destroy(ctx);
return s;
}
void img_scale() {
VkvgSurface imgSurf = vkvg_surface_create_from_image(device, imgPath);
VkvgPattern pat = vkvg_pattern_create_for_surface(imgSurf);
VkvgContext ctx = _initCtx(surf);
vkvg_translate(ctx, 100,100);
vkvg_matrix_t mat;
vkvg_matrix_init_scale(&mat, 2.0, 2.0);
vkvg_pattern_set_matrix (pat, &mat);
vkvg_set_source (ctx, pat);
vkvg_rectangle(ctx, 0 , 0, 200, 140);
vkvg_fill(ctx);
vkvg_destroy(ctx);
vkvg_pattern_destroy(pat);
vkvg_surface_destroy(imgSurf);
}
void pat_scale(){
VkvgContext ctx = _initCtx(surf);
VkvgPattern pat = create_grad(ctx);
vkvg_translate(ctx, 100,100);
vkvg_matrix_t mat;
vkvg_matrix_init_scale(&mat, 0.5, 0.5);
vkvg_pattern_set_matrix (pat, &mat);
vkvg_set_source (ctx, pat);
vkvg_rectangle(ctx, 0 , 0, 200, 140);
vkvg_fill(ctx);
vkvg_destroy(ctx);
vkvg_pattern_destroy(pat);
}
static float angle = 0;
void pat_rotate(){
angle += 0.001f;
VkvgContext ctx = _initCtx(surf);
VkvgPattern pat = create_grad(ctx);
//vkvg_translate(ctx, 100,100);
vkvg_matrix_t mat;
vkvg_matrix_init_translate(&mat, 100, 70);
vkvg_matrix_rotate(&mat, angle);
vkvg_pattern_set_matrix (pat, &mat);
vkvg_set_source (ctx, pat);
vkvg_rectangle(ctx, 0 , 0, 200, 140);
vkvg_fill(ctx);
vkvg_destroy(ctx);
vkvg_pattern_destroy(pat);
}
int main(int argc, char *argv[]) {
no_test_size = true;
PERFORM_TEST (pat_scale, argc, argv);
PERFORM_TEST (pat_rotate, argc, argv);
PERFORM_TEST (img_scale, argc, argv);
return 0;
}
|
