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66 lines
1.5 KiB
C
66 lines
1.5 KiB
C
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/**
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* File: lcd_mem_fragment.h
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* Author: AWTK Develop Team
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* Brief: mem fragment based implemented lcd interface
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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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* 2019-11-14 li xianjing <xianjimli@hotmail.com> created
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*
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*/
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#ifndef LCD_MEM_FRAGMENT_H
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#define LCD_MEM_FRAGMENT_H
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#include "base/lcd.h"
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BEGIN_C_DECLS
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/**
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* @class lcd_mem_fragment_t
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* @parent lcd_t
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* 片段的LCD。
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*
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* 在一些低端平台没有足够的内存提供一个完整的framebuffer，此时我们用一小块内存模拟framebuffer，
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* 每次只画屏幕上一小块。这样可以有些避免屏幕闪烁的问题。
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*
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*/
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/**
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* @method lcd_mem_fragment_create
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* @export none
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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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*
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* @return {lcd_t*} 返回lcd对象。
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*/
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lcd_t* lcd_mem_fragment_create(wh_t w, wh_t h);
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/**
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* @method lcd_mem_fragment_get_buff
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* @export none
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*
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* 获取framebuffer的地址。
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*
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* @param {lcd_t*} lcd lcd对象。
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*
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* @return {uint8_t*} 返回framebuffer的地址。
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*/
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uint8_t* lcd_mem_fragment_get_buff(lcd_t* lcd);
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END_C_DECLS
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#endif /*LCD_MEM_FRAGMENT_H*/
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