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/*
* File : color.h
* This file is part of RT-Thread GUI Engine
* COPYRIGHT (C) 2006 - 2017, RT-Thread Development Team
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Change Logs:
* Date Author Notes
* 2009-10-16 Bernard first version
* 2012-01-24 onelife add mono color support
*/
#ifndef __RTGUI_COLOR_H__
#define __RTGUI_COLOR_H__
#include <rtgui/rtgui.h>
#ifdef __cplusplus
extern "C" {
#endif
/*
* The color used in the GUI:
*
* bit bit
* RGB565 15 R,G,B 0
* BGR565 15 B,G,R 0
* RGB888 23 R,G,B 0
* ARGB888 31 A,R,G,B 0
* RGBA888 31 R,G,B,A 0
* ABGR888 31 A,B,G,R 0
*
* The rtgui_color is defined as ARGB888.
* bit31 A,R,G,B bit0
*/
#define RTGUI_ARGB(a, r, g, b) \
((rtgui_color_t)(((rt_uint8_t)(b)|\
(((unsigned long)(rt_uint8_t)(g))<<8))|\
(((unsigned long)(rt_uint8_t)(r))<<16)|\
(((unsigned long)(rt_uint8_t)(a))<<24)))
#define RTGUI_RGB(r, g, b) RTGUI_ARGB(255, (r), (g), (b))
#define RTGUI_RGB_B(c) ((c) & 0xff)
#define RTGUI_RGB_G(c) (((c) >> 8) & 0xff)
#define RTGUI_RGB_R(c) (((c) >> 16) & 0xff)
#define RTGUI_RGB_A(c) (((c) >> 24) & 0xff)
extern const rtgui_color_t default_foreground;
extern const rtgui_color_t default_background;
/* it's better use these color definitions */
#define RED RTGUI_RGB(0xff, 0x00, 0x00)
#define GREEN RTGUI_RGB(0x00, 0xff, 0x00)
#define BLUE RTGUI_RGB(0x00, 0x00, 0xff)
#define BLACK RTGUI_RGB(0x00, 0x00, 0x00)
#define WHITE RTGUI_RGB(0xff, 0xff, 0xff)
#define HIGH_LIGHT RTGUI_RGB(0xfc, 0xfc, 0xfc)
#define DARK_GREY RTGUI_RGB(0x7f, 0x7f, 0x7f)
#define LIGHT_GREY RTGUI_RGB(0xc0, 0xc0, 0xc0)
#ifdef TRANSPARENT
#undef TRANSPARENT
#endif
#define TRANSPARENT RTGUI_ARGB(0, 0, 0, 0)
extern const rtgui_color_t red;
extern const rtgui_color_t green;
extern const rtgui_color_t blue;
extern const rtgui_color_t black;
extern const rtgui_color_t white;
extern const rtgui_color_t high_light;
extern const rtgui_color_t dark_grey;
extern const rtgui_color_t light_grey;
/*
* RTGUI default color format: ARGB
* AAAA AAAA RRRR RRRR GGGG GGGG BBBB BBBB
* 31 0
*/
/* convert rtgui color to mono */
rt_inline rt_uint8_t rtgui_color_to_mono(rtgui_color_t c)
{
rt_uint8_t pixel;
pixel = (RTGUI_RGB_R(c) | RTGUI_RGB_G(c) | RTGUI_RGB_B(c)) ? 0x01 : 0x00;
return pixel;
}
rt_inline rtgui_color_t rtgui_color_from_mono(rt_uint8_t pixel)
{
rtgui_color_t color;
if (pixel)
{
color = white;
}
else
{
color = black;
}
return color;
}
/* convert rtgui color to RRRRRGGGGGGBBBBB */
rt_inline rt_uint16_t rtgui_color_to_565(rtgui_color_t c)
{
rt_uint16_t pixel;
pixel = (rt_uint16_t)(((RTGUI_RGB_R(c) >> 3) << 11) | ((RTGUI_RGB_G(c) >> 2) << 5) | (RTGUI_RGB_B(c) >> 3));
return pixel;
}
rt_inline rtgui_color_t rtgui_color_from_565(rt_uint16_t pixel)
{
rt_uint16_t r, g, b;
rtgui_color_t color;
r = (pixel >> 11) & 0x1f;
g = (pixel >> 5) & 0x3f;
b = pixel & 0x1f;
color = b * 255 / 31 + ((g * 255 / 63) << 8) + ((r * 255 / 31) << 16);
return color;
}
/* convert rtgui color to BBBBBGGGGGGRRRRR */
rt_inline rt_uint16_t rtgui_color_to_565p(rtgui_color_t c)
{
rt_uint16_t pixel;
pixel = (rt_uint16_t)(((RTGUI_RGB_B(c) >> 3) << 11) | ((RTGUI_RGB_G(c) >> 2) << 5) | (RTGUI_RGB_R(c) >> 3));
return pixel;
}
rt_inline rtgui_color_t rtgui_color_from_565p(rt_uint16_t pixel)
{
rt_uint8_t r, g, b;
rtgui_color_t color;
r = pixel & 0x1f;
g = (pixel >> 5) & 0x3f;
b = (pixel >> 11) & 0x1f;
color = b * 255 / 31 + ((g * 255 / 63) << 8) + ((r * 255 / 31) << 16);
return color;
}
/* convert rtgui color to RGB */
rt_inline rt_uint32_t rtgui_color_to_888(rtgui_color_t c)
{
rt_uint32_t pixel;
pixel = RTGUI_RGB_R(c) << 16 | RTGUI_RGB_G(c) << 8 | RTGUI_RGB_B(c);
return pixel;
}
rt_inline rtgui_color_t rtgui_color_from_888(rt_uint32_t pixel)
{
rtgui_color_t color;
color = RTGUI_RGB(((pixel >> 16) & 0xff), ((pixel >> 8) & 0xff), pixel & 0xff);
return color;
}
/* get the bits of specified pixle format */
rt_uint8_t rtgui_color_get_bits(rt_uint8_t pixel_format) RTGUI_PURE;
/* get the bytes of specified pixle format */
rt_uint8_t rtgui_color_get_bpp(rt_uint8_t pixel_format) RTGUI_PURE;
#ifdef __cplusplus
}
#endif
#endif
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