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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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