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
|
#include <stdlib.h>
#include <locale.h>
#include <math.h>
#include "window.h"
#include "layout.h"
#include "util.h"
#include "event.h"
#define ANY_LOG_IMPLEMENT
#define ANY_LOG_VALUE_STRING(key, value) "%s=\"%s\"", key, value ? value : "(null)"
#include "any_log.h"
cairo_surface_t *render(layout_t *layout, layout_info_t info)
{
cairo_surface_t *surface = cairo_image_surface_create(CAIRO_FORMAT_ARGB32, info.width, info.height);
log_value_trace("Created cairo surface",
"i:width", info.width,
"i:height", info.height);
cairo_t *cr = cairo_create(surface);
cairo_set_fill_rule(cr, CAIRO_FILL_RULE_EVEN_ODD);
cairo_set_operator(cr, CAIRO_OPERATOR_OVER);
//color_t color = layout->block->color;
//cairo_set_source_rgba(cr, color.r, color.g, color.b, color.a);
//cairo_paint(cr);
layout_render(layout, cr);
log_trace("Rendered layouts");
cairo_destroy(cr);
return surface;
}
int main(int argc, char **argv)
{
setlocale(LC_CTYPE, "");
any_log_init(stdout, ANY_LOG_DEBUG);
display_t display;
display_init(&display);
window_t window;
window_init(&window, &display);
int x_padding = 10;
int y_padding = 8;
int height = 30;
int width = display.screen_size->width - 2 * x_padding;
const char *font = "Hack 12";
log_debug("Loading font '%s'", font);
layout_info_t info = {
.fontdesc = pango_font_description_from_string(font),
.context = pango_cairo_create_context(window.cr),
.x_offset = 0,
.height = height,
.width = width,
};
window_resize(&window, width, height);
window_move(&window, x_padding, y_padding);
block_t blocks[2] = {
{
.color = { 0.2, 0.2, 0.2, 1 },
.type = BLOCK_TEXT,
.text = {
.text = "A",
.text_color = { 0.8, 0.9, 0.3, 1 },
},
},
{
.color = { 0.2, 0.2, 0.2, 1 },
.type = BLOCK_TEXT,
.min_width = 100,
.text = {
.text = "B",
.text_color = { 0.8, 0.9, 0.3, 1 },
},
},
};
block_t top = {
.hidden = false,
.color = { 0.3, 0.2, 0.5, 1 },
.min_width = width,
.type = BLOCK_GROUP,
.group = {
.spacing = 10,
.n_children = 2,
.children = blocks,
},
};
// TODO: Allow ondemand rendering
struct timespec rate, start, end, diff;
double freq = 1.0 / 60.0 + 0.5e-9;
rate.tv_sec = (long)freq;
rate.tv_nsec = (freq - rate.tv_sec) * 1000000000ul;
while (true) {
timespec_get(&start, TIME_UTC);
block_update(&top);
layout_t layout;
layout_init(&layout, &top, info);
event_dispatch(&display, &layout);
cairo_surface_t *surface = render(&layout, info);
window_present(&window, surface, width, height);
cairo_surface_destroy(surface);
layout_free(&layout);
timespec_get(&end, TIME_UTC);
diff = timespec_diff(timespec_diff(end, start), rate);
nanosleep(&diff, NULL);
}
window_close(&window);
display_close(&display);
return 0;
}
|
