nvosd.h

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/*
 * Copyright (c) 2016, NVIDIA CORPORATION.  All rights reserved.
 *
 * NVIDIA Corporation and its licensors retain all intellectual property
 * and proprietary rights in and to this software, related documentation
 * and any modifications thereto.  Any use, reproduction, disclosure or
 * distribution of this software and related documentation without an express
 * license agreement from NVIDIA Corporation is strictly prohibited.
 */

#ifndef __NVOSD_DEFS__
#define __NVOSD_DEFS__

#ifdef __cplusplus
extern "C"
{
#endif

typedef struct _NvOSD_ColorParams {
    double red;                 
    double green;               
    double blue;                
    double alpha;               
}NvOSD_ColorParams;


typedef struct _NvOSD_FontParams {
    char * font_name;            
    unsigned int font_size;         
    NvOSD_ColorParams font_color;   
}NvOSD_FontParams;


typedef struct _NvOSD_TextParams {
    char * display_text; 
    unsigned int x_offset; 
    unsigned int y_offset; 
    NvOSD_FontParams font_params;
}NvOSD_TextParams;


typedef struct _NvOSD_RectParams {
    unsigned int left;   
    unsigned int top;    
    unsigned int width;  
    unsigned int height; 
    unsigned int border_width; 
    NvOSD_ColorParams border_color; 
    unsigned int has_bg_color;  
    unsigned int reserved; 
    NvOSD_ColorParams bg_color; 
}NvOSD_RectParams;

typedef enum{
    MODE_CPU, 
    MODE_GPU, 
    MODE_HW   
} NvOSD_Mode;

void *nvosd_create_context(void);

void nvosd_destroy_context(void *nvosd_ctx);

void nvosd_set_clock_params(void *nvosd_ctx, NvOSD_TextParams *clk_params);


int nvosd_put_text(void *nvosd_ctx, NvOSD_Mode mode, int fd, int num_strings,
        NvOSD_TextParams *text_params_list);


int nvosd_draw_rectangles(void *nvosd_ctx, NvOSD_Mode mode, int fd,
        int num_rects, NvOSD_RectParams *rect_params_list);

#ifdef __cplusplus
}
#endif

#endif