toys/sww/source/image.h

#pragma once

#include <stdint.h>

typedef struct swwImage swwImage;

struct swwImage {
  uint32_t width;
  uint32_t height;
  uint32_t channels;
  int32_t load_from_file;
  int32_t external; ///< bool: external buffer or not
  uint32_t stride;

  uint8_t *buffer;
};

swwImage *swwImage_Create(uint32_t width, uint32_t height, uint32_t channels);
void swwImage_Destroy(swwImage *o);

swwImage *swwImage_Load(const char *filename);
int swwImage_Save(swwImage *o, const char *filename);
void swwImage_ClearWithByte(swwImage *o, uint8_t b);

uint32_t swwImage_GetPixel(swwImage *o, uint32_t x, uint32_t y);
void swwImage_SetPixel(swwImage *o, uint32_t x, uint32_t y, uint32_t color);

void swwImage_FlipH(swwImage *o);
void swwImage_FlipV(swwImage *o);
void swwImage_RGBA2BGRA(swwImage *o);