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74 lines
2.0 KiB
C
74 lines
2.0 KiB
C
/**
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* File: lcd_mem_special.h
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* Author: AWTK Develop Team
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* Brief: lcd_mem_special
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*
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* Copyright (c) 2018 - 2023 Guangzhou ZHIYUAN Electronics Co.,Ltd.
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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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* License file for more details.
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*
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*/
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/**
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* History:
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* ================================================================
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* 2019-06-17 Li XianJing <xianjimli@hotmail.com> created
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*
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*/
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#ifndef LCD_MEM_SPECIAL_H
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#define LCD_MEM_SPECIAL_H
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#include "base/lcd.h"
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#include "lcd/lcd_mem.h"
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BEGIN_C_DECLS
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/**
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* @class lcd_mem_special_t
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* @parent lcd_t
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* 特殊的LCD。
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*
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* 通过重载flush函数来提交GUI绘制的结果到硬件。适用于：
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*
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* * lcd 硬件不支持framebuffer，如SPI接口的屏。
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* * lcd 硬件支持framebuffer，但是其格式特殊，AWTK目前不支持。可以用flush进行格式转换。
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*
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*
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*/
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typedef struct _lcd_mem_special_t {
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lcd_mem_t base;
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bitmap_format_t format;
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/*custom info*/
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void* ctx;
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lcd_flush_t on_flush;
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lcd_resize_t on_resize;
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lcd_destroy_t on_destroy;
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} lcd_mem_special_t;
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/**
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* @method lcd_mem_special_create
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*
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* 创建lcd对象。
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*
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* @param {wh_t} w 宽度。
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* @param {wh_t} h 高度。
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* @param {bitmap_format_t} fmt 离线lcd的格式。一般用 BITMAP_FMT_BGR565 或 BITMAP_FMT_RGBA8888。
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* @param {lcd_flush_t} on_flush 回调函数，用于刷新GUI数据到实际的LCD。
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* @param {lcd_resize_t} on_resize 用于调整LCD的大小。一般用NULL即可。
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* @param {lcd_destroy_t} on_destroy lcd销毁时的回调函数。
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* @param {void*} ctx 回调函数的上下文。
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*
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* @return {lcd_t*} 返回lcd对象。
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*/
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lcd_t* lcd_mem_special_create(wh_t w, wh_t h, bitmap_format_t fmt, lcd_flush_t on_flush,
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lcd_resize_t on_resize, lcd_destroy_t on_destroy, void* ctx);
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END_C_DECLS
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#endif /*LCD_MEM_SPECIAL_H*/
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