picasso_image.h

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#ifndef _PICASSO_EXT_IMAGE_DECODERS_H_
#define _PICASSO_EXT_IMAGE_DECODERS_H_

#include "picasso.h"

#ifdef __cplusplus
extern "C" {
#endif

typedef struct _psx_image_frame {
    ps_image* img;
    ps_byte* data;
    size_t size;
    int duration;
}psx_image_frame;

typedef struct _psx_image {
    int width;
    int height;
    int pitch;
    ps_color_format format;
    psx_image_frame* frames;
    size_t num_frames; 
}psx_image;

#define IMG_OBJ(image) IMG_OBJ_AT_INDEX(image, 0)

#define IMG_DATA(image) IMG_DATA_AT_INDEX(image, 0)

#define IMG_DATA_SIZE(image) IMG_DATA_SIZE_AT_INDEX(image, 0)

#define IMG_OBJ_AT_INDEX(image, idx) (image->frames[idx].img)

#define IMG_DATA_AT_INDEX(image, idx) (image->frames[idx].data)

#define IMG_DATA_SIZE_AT_INDEX(img, idx) (img->frames[idx].size)

#define IMG_DURATION_AT_INDEX(img, idx) (img->frames[idx].duration)

enum {
    S_OK            = 0,
    S_BAD_PARAMS    = 1,
    S_NOT_SUPPORT   = 2,
    S_OUT_OF_MEMORY = 3,
    S_INIT_FAILURE  = 4,
    S_FAILURE       = 5,
};

PEXPORT int PICAPI psx_image_init(void);

PEXPORT int PICAPI psx_image_shutdown(void);

PEXPORT psx_image* PICAPI psx_image_create_from_data(ps_byte* data, ps_color_format fmt,
                                                     int width, int height, int pitch, int* err_code);

PEXPORT psx_image* PICAPI psx_image_load(const char* file_name, int* err_code);

PEXPORT psx_image* PICAPI psx_image_load_from_memory(const ps_byte* data, size_t length, int* err_code);

typedef int (*image_writer_fn)(void* param, const ps_byte* data, size_t length);

PEXPORT int PICAPI psx_image_save(const psx_image* image, image_writer_fn func,
                                             void* param, const char* type, float quality);

PEXPORT int PICAPI psx_image_save_to_file(const psx_image* image, const char* file_name,
                                                                  const char* type, float quality);

PEXPORT int PICAPI psx_image_destroy(psx_image* image);
#ifdef __cplusplus
}
#endif

#endif /*_PICASSO_EXT_IMAGE_DECODERS_H_*/