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/*
* File : color.c
* 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
*/
#include <rtgui/color.h>
const rtgui_color_t red = RTGUI_RGB(0xff, 0x00, 0x00);
const rtgui_color_t green = RTGUI_RGB(0x00, 0xff, 0x00);
const rtgui_color_t blue = RTGUI_RGB(0x00, 0x00, 0xff);
const rtgui_color_t black = RTGUI_RGB(0x00, 0x00, 0x00);
const rtgui_color_t white = RTGUI_RGB(0xff, 0xff, 0xff);
const rtgui_color_t high_light = RTGUI_RGB(0xfc, 0xfc, 0xfc);
const rtgui_color_t dark_grey = RTGUI_RGB(0x7f, 0x7f, 0x7f);
const rtgui_color_t light_grey = RTGUI_RGB(0xc0, 0xc0, 0xc0);
const static rt_uint8_t pixel_bits_table[] =
{
1, /* mono */
2, /* 4 level for gray */
4, /* 16 level for gray */
8, /* RGB332 */
12, /* RGB444 */
16, /* RGB565 */
16, /* BGR565 */
18, /* RGB666 */
24, /* RGB888 */
32, /* ARGB888 */
};
rt_uint8_t rtgui_color_get_bits(rt_uint8_t pixel_format)
{
if (pixel_format <= RTGRAPHIC_PIXEL_FORMAT_ARGB888)
return pixel_bits_table[pixel_format];
/* use 32 as the default */
return 32;
}
RTM_EXPORT(rtgui_color_get_bits);
rt_uint8_t rtgui_color_get_bpp(rt_uint8_t pixel_format)
{
rt_uint8_t bpp = 4;
if (pixel_format <= RTGRAPHIC_PIXEL_FORMAT_ARGB888)
{
bpp = _UI_BITBYTES(pixel_bits_table[pixel_format]);
}
return bpp;
}
RTM_EXPORT(rtgui_color_get_bpp);
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