/*
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* include/boot_gui.h
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*
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* Copyright (c) 2007-2019 Allwinnertech Co., Ltd.
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* Author: zhengxiaobin <zhengxiaobin@allwinnertech.com>
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*
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* This software is licensed under the terms of the GNU General Public
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* License version 2, as published by the Free Software Foundation, and
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* may be copied, distributed, and modified under those terms.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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*/
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#ifndef __BOOT_GUI_H__
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#define __BOOT_GUI_H__
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enum {
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FB_ID_0 = 0,
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FB_ID_1,
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FB_ID_2,
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FB_ID_3,
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FB_ID_NUM, /* excuse me: it is not the number of framebuffer */
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FB_ID_INVALID,
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};
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enum {
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FB_PIXEL_ALPHA_MODE = 0,
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FB_GLOBAL_ALPHA_MODE,
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FB_GLOBAL_PIXEL_ALPHA_MODE,
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};
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typedef struct color {
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unsigned char blue;
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unsigned char green;
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unsigned char red;
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unsigned char alpha;
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} argb_t;
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typedef struct point {
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int x;
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int y;
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} point_t;
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typedef struct rect {
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int left;
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int top;
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int right;
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int bottom;
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} rect_t;
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struct canvas {
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unsigned char *base; /* read only */
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char *pixel_format_name; /* read only */
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argb_t color; /* default color */
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int width; /* read only */
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int height; /* read only */
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int bpp; /* read only */
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int stride; /* read only */
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int (*draw_point)(struct canvas *cv, argb_t *color, point_t *coords);
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/* draw a line, the points of from and to would be drawn */
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int (*draw_line)(struct canvas *cv, argb_t *color, point_t *from, point_t *to);
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/* draw_rect/fill_rect: not include the line and row of right_bottom */
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int (*draw_rect)(struct canvas *cv, argb_t *color, rect_t *rect);
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int (*fill_rect)(struct canvas *cv, argb_t *color, rect_t *rect);
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int (*copy_block)(struct canvas *cv, point_t *src, point_t *dst,
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unsigned int width, unsigned int height);
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/* not auto switch to next line when drawing to the end of line */
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int (*draw_chars)(struct canvas *cv, argb_t *color, point_t *coords,
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char *chs, unsigned int count);
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/* only deal the interest region in spec case:
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* such as scn_win of interset region is interge, smooth boot
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*/
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int (*set_interest_region)(struct canvas *cv, rect_t *rects, unsigned int count,
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argb_t *uninterest_region_color);
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void *this_fb; /* prohibit read&write */
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};
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#ifdef CONFIG_BOOT_GUI
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extern int disp_devices_open(void);
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extern int fb_init(void);
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extern int fb_quit(void);
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extern struct canvas *fb_lock(const unsigned int fb_id);
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extern int fb_unlock(unsigned int fb_id, rect_t *dirty_rects, int count);
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extern int fb_set_alpha_mode(unsigned int fb_id,
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unsigned char alpha_mode, unsigned char alpha_value);
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extern int save_disp_cmd(void);
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extern int boot_gui_init(void);
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extern int save_disp_cmdline(void);
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#endif /* #ifdef CONFIG_BOOT_GUI */
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#endif /* __BOOT_GUI_H__ */
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