forked from ExternalVendorCode/Signal-Server
63 lines
2.0 KiB
C++
63 lines
2.0 KiB
C++
#ifndef _IMAGE_HH_
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#define _IMAGE_HH_
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#include <stdint.h>
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#define RGB_SIZE 3
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#define RGBA_SIZE 4
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enum _image_format{ IMAGE_DEFAULT = 0, \
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IMAGE_PPM, \
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IMAGE_LIBRARY, \
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IMAGE_FORMAT_MAX \
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};
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enum _image_model{ IMAGE_RGB, \
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IMAGE_RGBA, \
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IMAGE_MODEL_MAX
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};
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typedef struct _image_ctx{
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size_t width;
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size_t height;
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int model;
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int format;
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uint8_t *canvas;
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uint8_t *next_pixel;
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uint32_t initialized;
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char *extension;
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void *_dt;
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} image_ctx_t, *pimage_ctx_t;
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typedef int _init(image_ctx_t*);
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typedef int _add_pixel(image_ctx_t*,const uint8_t,const uint8_t,const uint8_t,const uint8_t);
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typedef int _set_pixel(image_ctx_t*,const size_t,const size_t,const uint8_t,const uint8_t,const uint8_t,const uint8_t);
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typedef int _get_pixel(image_ctx_t*,const size_t,const size_t,const uint8_t*,const uint8_t*,const uint8_t*,const uint8_t*);
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typedef int _write(image_ctx_t*,FILE*);
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typedef void _free(image_ctx_t*);
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typedef struct _image_dispatch_table{
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_init *init;
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_add_pixel *add_pixel;
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_set_pixel *set_pixel;
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_get_pixel *get_pixel;
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_write *write;
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_free *free;
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} image_dispatch_table_t;
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int image_set_format(int);
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int image_init(image_ctx_t*, const size_t, const size_t, const int, const int);
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int image_add_pixel(image_ctx_t* ctx, const uint8_t, const uint8_t, const uint8_t, const uint8_t);
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int image_set_pixel(image_ctx_t* ctx, const size_t, const size_t, const uint8_t, const uint8_t, const uint8_t, const uint8_t);
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int image_get_pixel(image_ctx_t* ctx,const size_t,const size_t, uint8_t const*, uint8_t const*, uint8_t const*, uint8_t const*);
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int image_get_filename(image_ctx_t*, char*, size_t, char*);
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int image_write(image_ctx_t*, FILE*);
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void image_free(image_ctx_t*);
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int image_set_library(char*);
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#define ADD_PIXEL(ctx,r,g,b) image_add_pixel((ctx),(r),(g),(b),0xff)
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#define ADD_PIXELA(ctx,r,g,b,a) image_add_pixel((ctx),(r),(g),(b),(a))
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#define PIXEL_OFFSET(x,y,width,pixel_size) (((x) * (pixel_size)) + ((width) * (pixel_size) * (y)))
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#endif |