mirror of
https://github.com/RT-Thread/rt-thread.git
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010cec2009
git-svn-id: https://rt-thread.googlecode.com/svn/trunk@171 bbd45198-f89e-11dd-88c7-29a3b14d5316
98 lines
2.5 KiB
C
98 lines
2.5 KiB
C
/*
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* File : color.h
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* This file is part of RT-Thread RTOS
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* COPYRIGHT (C) 2006 - 2009, RT-Thread Development Team
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*
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* The license and distribution terms for this file may be
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* found in the file LICENSE in this distribution or at
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* http://www.rt-thread.org/license/LICENSE
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*
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* Change Logs:
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* Date Author Notes
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* 2009-10-16 Bernard first version
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*/
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#ifndef __RTGUI_COLOR_H__
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#define __RTGUI_COLOR_H__
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#include <rtgui/rtgui.h>
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typedef unsigned long rtgui_color_t;
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#define RTGUI_ARGB(a, r, g, b) \
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((rtgui_color_t)(((rt_uint8_t)(r)|\
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(((unsigned)(rt_uint8_t)(g))<<8))|\
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(((unsigned long)(rt_uint8_t)(b))<<16)|\
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(((unsigned long)(rt_uint8_t)(a))<<24)))
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#define RTGUI_RGB(r, g, b) RTGUI_ARGB(255, (r), (g), (b))
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#define RTGUI_RGB_R(c) ((c) & 0xff)
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#define RTGUI_RGB_G(c) (((c) >> 8) & 0xff)
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#define RTGUI_RGB_B(c) (((c) >> 16) & 0xff)
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#define RTGUI_RGB_A(c) (((c) >> 24) & 0xff)
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extern const rtgui_color_t default_foreground;
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extern const rtgui_color_t default_background;
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extern const rtgui_color_t red;
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extern const rtgui_color_t green;
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extern const rtgui_color_t blue;
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extern const rtgui_color_t black;
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extern const rtgui_color_t white;
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extern const rtgui_color_t high_light;
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extern const rtgui_color_t dark_grey;
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extern const rtgui_color_t light_grey;
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/*
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* RTGUI default color format
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* BBBB BBBB GGGG GGGG RRRR RRRR
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*/
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/* convert rtgui color to BBBBBGGGGGGRRRRR */
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rt_inline rt_uint16_t rtgui_color_to_565(rtgui_color_t c)
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{
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rt_uint16_t pixel;
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pixel = (rt_uint16_t)(((RTGUI_RGB_B(c)>> 3) << 11) | ((RTGUI_RGB_G(c) >> 2) << 5) | (RTGUI_RGB_R(c) >> 3));
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return pixel;
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}
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rt_inline rtgui_color_t rtgui_color_from_565(rt_uint16_t pixel)
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{
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rt_uint16_t r, g, b;
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rtgui_color_t color;
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r = pixel & 0x1f;
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g = (pixel >> 5) & 0x3f;
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b = (pixel >> 11) & 0x1f;
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color = r * 8225 / 1024 + ((g * 4047 / 1024) << 8) + ((b * 8225 / 1024) << 16);
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return color;
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}
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/* convert rtgui color to RRRRRGGGGGGBBBBB */
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rt_inline rt_uint16_t rtgui_color_to_565p(rtgui_color_t c)
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{
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rt_uint16_t pixel;
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pixel = (rt_uint16_t)(((RTGUI_RGB_R(c) >> 3) << 11) | ((RTGUI_RGB_G(c) >> 2) << 5) | (RTGUI_RGB_B(c)>> 3));
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return pixel;
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}
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rt_inline rtgui_color_t rtgui_color_from_565p(rt_uint16_t pixel)
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{
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rt_uint8_t r, g, b;
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rtgui_color_t color;
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r = (pixel >> 11) & 0x1f;
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g = (pixel >> 5) & 0x3f;
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b = pixel & 0x1f;
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color = r * 8225 / 1024 + ((g * 4047 / 1024) << 8) + ((b * 8225 / 1024) << 16);
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return color;
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}
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#endif
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