241 lines
7.3 KiB
C
241 lines
7.3 KiB
C
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/************************************************************************************************/
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/* Copyright (C), 2001-2016, Allwinner Tech. Co., Ltd. */
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/************************************************************************************************/
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/**
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* @file aw_osd.h
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* @brief
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* @author id: guixing
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* @version v0.1
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* @date 2016-08-28
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*/
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#ifndef _RGB_CTRL_H_
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#define _RGB_CTRL_H_
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/************************************************************************************************/
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/* Include Files */
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/************************************************************************************************/
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#include <errno.h>
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#include <stdio.h>
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#include <stdio.h>
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#include <string.h>
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#include <sys/ioctl.h>
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#include <log/log_wrapper.h>
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#ifdef __cplusplus
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#if __cplusplus
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extern "C" {
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#endif
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#endif
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/************************************************************************************************/
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/* Macros & Typedefs */
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/************************************************************************************************/
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#define MAX_COLOR_SIZE 8
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#define RGB_DB
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#ifdef RGB_DB
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#define RGB_DB_PRT(fmt, args...) \
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do { \
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LOGD(fmt, ##args); \
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} while (0)
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#endif
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#define RGB_ERR
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#ifdef RGB_ERR
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#define RGB_ERR_PRT(fmt, args...) \
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do { \
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LOGE(fmt, ##args); \
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} while (0)
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#endif
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typedef enum tag_OSD_RGB_TYPE {
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OSD_RGB_555 = 0,
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OSD_RGB_565,
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OSD_RGB_24,
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OSD_RGB_32,
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OSD_RGB_BUTT,
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} OSD_RGB_TYPE;
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typedef enum tag_FONT_SIZE_TYPE {
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FONT_SIZE_16 = 0,
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FONT_SIZE_20,
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FONT_SIZE_24,
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FONT_SIZE_32,
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FONT_SIZE_40,
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FONT_SIZE_48,
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FONT_SIZE_56,
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FONT_SIZE_64,
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FONT_SIZE_BUTT,
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} FONT_SIZE_TYPE;
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typedef enum tag_CHAR_CODE_TYPE {
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CHAR_CODE_ASCII = 0,
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CHAR_CODE_GB2312,
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CHAR_CODE_UTF8,
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CHAR_CODE_USC2_LIT, /* unicode 2 little endian */
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CHAR_CODE_USC2_BIG, /* unicode 2 big endian */
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CHAR_CODE_BUTT,
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} CHAR_CODE_TYPE;
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/************************************************************************************************/
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/* Structure Declarations */
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/************************************************************************************************/
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typedef struct tag_RGB_PIC_S {
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unsigned int wide;
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unsigned int high;
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OSD_RGB_TYPE rgb_type;
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int enable_mosaic;
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int mosaic_size;
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unsigned char background[MAX_COLOR_SIZE]; /* support rgb555, rgb565, rgb24, rgb32 */
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unsigned char mosaic_color[MAX_COLOR_SIZE];
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char *pic_addr;
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int pic_size;
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} RGB_PIC_S;
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typedef struct tag_PIC_REGION_S {
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int x;
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int y;
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int w;
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int h;
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OSD_RGB_TYPE rgb_type;
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} PIC_REGION_S;
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typedef struct tag_FONT_RGBPIC_S {
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FONT_SIZE_TYPE font_type;
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OSD_RGB_TYPE rgb_type;
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int enable_bg;
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unsigned char foreground[MAX_COLOR_SIZE];
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unsigned char background[MAX_COLOR_SIZE];
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} FONT_RGBPIC_S;
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/************************************************************************************************/
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/* Global Variables */
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/************************************************************************************************/
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/* None */
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/************************************************************************************************/
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/* Function Declarations */
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/************************************************************************************************/
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/**
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* @brief 加载字体
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* @param font_type 字体大小类型
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* @return
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* - 成功 0
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* - 失败 -1
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*/
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int load_font_file(FONT_SIZE_TYPE font_type);
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/**
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* @brief 卸载字体。调用该函数后，相关字体操作函数就不能被执行
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* @param
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* @return
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* - 成功 0
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* - 失败 -1
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*/
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int unload_gb2312_font(void);
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/**
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* @brief 根据rgb_pic规格创建RGB矩形框
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* @param rgb_pic
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* - wide input 矩形的宽度
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* - high input 矩形的高度
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* - rgb_type input rgb的像素格式如，rgb555 rgb888 rgb8888等
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* - enable_mosaic input 是否使能背景马赛克功能
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* - mosaic_size input 背景马赛克的宽高度
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* - background input 矩形RGB图片的底色
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* - mosaic_color input 背景马赛克的颜色
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* - pic_addr output 创建成功后的图片地址，若失败则为NULL。使用完毕后记得
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* - pic_size output 创建成功后的图片数据字节长度
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* @return
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* - 成功 0
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* - 失败 -1
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*/
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int create_rectangle_rgb(RGB_PIC_S *rgb_pic);
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/**
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* @brief 根据rgb_pic规格创建RGB矩形框
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* @param font_pic
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* - font_type input 字体大小类型
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* - rgb_type input RGB格式
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* - enable_bg input 是否使能背景色
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* - foreground input 字体颜色，即前景色
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* - background input 字体背景色
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* @param rgb_pic
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* - enable_mosaic input 是否使能背景马赛克功能
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* - mosaic_size input 背景马赛克的宽高度
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* - mosaic_color input 背景马赛克的颜色
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* - background output 矩形RGB图片的底色，同font_pic中的background格式一样值
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* - rgb_type output rgb的像素格式，同font_pic中的rgb格式一样值
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* - pic_addr output 创建成功后的图片地址，若失败则为NULL。使用完毕后记得
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* - pic_size output 创建成功后的图片数据字节长度
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* - wide output 矩形的宽度
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* - high output 矩形的高度
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* @return
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* - 成功 0
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* - 失败 -1
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*/
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int create_font_rectangle(const char *code, const FONT_RGBPIC_S *font_pic, RGB_PIC_S *rgb_pic);
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/**
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* @brief 释放rgb_pic图片
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* @param rgb_pic 待释放的rgb图片
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* @return
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* - 成功 0
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* - 失败 -1
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*/
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int release_rgb_picture(RGB_PIC_S *rgb_pic);
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/**
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* @brief 将color填充满该图片
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* @param rgb_pic 待填充的RGB图片
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* @param color 所要填充的颜色。注意数据宽度为4字节及以上。
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* @return
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* - 成功 0
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* - 失败 -1
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*/
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int fill_rectangle_rgb(RGB_PIC_S *rgb_pic, const unsigned char *color);
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/**
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* @brief 将src_pic图片，按位置信息叠加到dst_pic图片中
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* @param src_pic 源RGB图片
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* @param dst_pic 目标RGB图片
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* @param top 相对目标图片的顶部位置
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* @param left 相对目标图片的左边位置
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* @return
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* - 成功 0
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* - 失败 -1
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*/
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int draw_pic_in_pic(const RGB_PIC_S *src_pic, const RGB_PIC_S *dst_pic, int top, int left);
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/**
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* @brief 将字体，按位置信息叠加到dst_pic图片中
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* @param code 字符编码序列
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* @param font_pic 字体RGB格式
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* @param dst_pic 目标RGB图片
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* @param top 相对目标图片的顶部位置
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* @param left 相对目标图片的左边位置
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* @return
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* - 成功 0
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* - 失败 -1
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*/
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int draw_font_in_pic(const char *code, const FONT_RGBPIC_S *font_pic, const RGB_PIC_S *dst_pic, int top, int left);
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/**
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* 单独去加载某种大小的字体
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* @param font_type
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* @return
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* - 成功 0
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* - 失败 -1
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*/
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int unload_font_file(FONT_SIZE_TYPE font_type);
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#ifdef __cplusplus
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#if __cplusplus
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}
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#endif
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#endif
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#endif /* _RGB_CTRL_H_ */
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