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
|
/* -*- c-basic-offset:2; tab-width:2; indent-tabs-mode:nil -*- */
#include "../ui_color.h"
#include <string.h> /* strcmp */
#include <vt_color.h>
#include "ui_display.h" /* CMAP_SIZE, ui_cmap_get_closest_color */
/* --- global functions --- */
int ui_load_named_xcolor(ui_display_t *disp, ui_color_t *xcolor, const char *name) {
vt_color_t color;
u_int8_t red;
u_int8_t green;
u_int8_t blue;
u_int8_t alpha;
if (vt_color_parse_rgb_name(&red, &green, &blue, &alpha, name)) {
return ui_load_rgb_xcolor(disp, xcolor, red, green, blue, alpha);
}
if ((color = vt_get_color(name)) != VT_UNKNOWN_COLOR && IS_VTSYS_BASE_COLOR(color)) {
/*
* 0 : 0x00, 0x00, 0x00
* 1 : 0xff, 0x00, 0x00
* 2 : 0x00, 0xff, 0x00
* 3 : 0xff, 0xff, 0x00
* 4 : 0x00, 0x00, 0xff
* 5 : 0xff, 0x00, 0xff
* 6 : 0x00, 0xff, 0xff
* 7 : 0xe5, 0xe5, 0xe5
*/
red = (color & 0x1) ? 0xff : 0;
green = (color & 0x2) ? 0xff : 0;
blue = (color & 0x4) ? 0xff : 0;
} else {
if (strcmp(name, "gray") == 0) {
red = green = blue = 190;
} else if (strcmp(name, "lightgray") == 0) {
red = green = blue = 211;
} else {
return 0;
}
}
return ui_load_rgb_xcolor(disp, xcolor, red, green, blue, 0xff);
}
int ui_load_rgb_xcolor(ui_display_t *disp, ui_color_t *xcolor, u_int8_t red, u_int8_t green,
u_int8_t blue, u_int8_t alpha) {
xcolor->pixel = vt_get_closest_color(red, green, blue);
/* XXX */
if (xcolor->pixel == 0x10) {
xcolor->pixel = 0;
} else if (xcolor->pixel == 0xe2) {
xcolor->pixel = 0xb;
} else if (xcolor->pixel == 0xc4) {
xcolor->pixel = 0x9;
} else if (xcolor->pixel == 0x2e) {
xcolor->pixel = 0xa;
} else if (xcolor->pixel == 0xc9) {
xcolor->pixel = 0xd;
} else if (xcolor->pixel == 0x33) {
xcolor->pixel = 0xe;
} else if (xcolor->pixel == 0xe7) {
xcolor->pixel = 0xf;
}
vt_get_color_rgba(xcolor->pixel, &xcolor->red, &xcolor->green, &xcolor->blue, NULL);
return 1;
}
void ui_unload_xcolor(ui_display_t *disp, ui_color_t *xcolor) {}
void ui_get_xcolor_rgba(u_int8_t *red, u_int8_t *green, u_int8_t *blue,
u_int8_t *alpha /* can be NULL */, ui_color_t *xcolor) {
*red = xcolor->red;
*green = xcolor->green;
*blue = xcolor->blue;
if (alpha) {
*alpha = xcolor->alpha;
}
}
int ui_xcolor_fade(ui_display_t *disp, ui_color_t *xcolor, u_int fade_ratio) {
u_int8_t red;
u_int8_t green;
u_int8_t blue;
u_int8_t alpha;
ui_get_xcolor_rgba(&red, &green, &blue, &alpha, xcolor);
#if 0
bl_msg_printf("Fading R%d G%d B%d => ", red, green, blue);
#endif
red = (red * fade_ratio) / 100;
green = (green * fade_ratio) / 100;
blue = (blue * fade_ratio) / 100;
ui_unload_xcolor(disp, xcolor);
#if 0
bl_msg_printf("R%d G%d B%d\n", red, green, blue);
#endif
return ui_load_rgb_xcolor(disp, xcolor, red, green, blue, alpha);
}
|
