rt-thread/components/gui/include/rtgui/image_hdc.h

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/*
* File : image_hdc.h
* This file is part of RT-Thread GUI Engine
* COPYRIGHT (C) 2006 - 2017, RT-Thread Development Team
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*
* 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.
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*
* Change Logs:
* Date Author Notes
* 2009-10-16 Bernard first version
*/
#ifndef __RTGUI_IMAGE_HDC_H__
#define __RTGUI_IMAGE_HDC_H__
#include <rtgui/image.h>
struct rtgui_image_hdcmm
{
struct rtgui_image parent;
/* hdc image information */
rt_uint16_t byte_per_pixel;
rt_uint16_t pitch;
rt_uint8_t *pixels;
};
struct rtgui_image_hdc
{
rt_bool_t is_loaded;
/* hdc image information */
rt_uint16_t byte_per_pixel;
rt_uint16_t pitch;
rt_uint8_t pixel_format;
rt_size_t pixel_offset;
rt_uint8_t *pixels;
struct rtgui_filerw *filerw;
};
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void rtgui_image_hdc_init(void);
extern const struct rtgui_image_engine rtgui_image_hdcmm_engine;
#define HDC_HEADER_SIZE (5 * 4)
#define RTGUI_IMAGE_HDC_DEF(bpp, w, h, pixels) \
{{w, h, &rtgui_image_hdcmm_engine, RT_NULL}, bpp, (bpp * w), ((rt_uint8_t*)pixels + HDC_HEADER_SIZE)}
#endif