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/* -*- c-basic-offset:2; tab-width:2; indent-tabs-mode:nil -*- */
#include "../ui_color.h"
#include <string.h> /* memcpy,strcmp */
#include <stdio.h> /* sscanf */
#include <pobl/bl_mem.h>
#include <pobl/bl_debug.h>
#include <vt_color.h>
/* --- 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 = (red << 16) | (green << 8) | blue | (alpha << 24);
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) {
if (alpha) {
*alpha = (xcolor->pixel >> 24) & 0xff;
}
*red = (xcolor->pixel >> 16) & 0xff;
*green = (xcolor->pixel >> 8) & 0xff;
*blue = xcolor->pixel & 0xff;
}
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);
red = (red * fade_ratio) / 100;
green = (green * fade_ratio) / 100;
blue = (blue * fade_ratio) / 100;
ui_unload_xcolor(disp, xcolor);
return ui_load_rgb_xcolor(disp, xcolor, red, green, blue, alpha);
}
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