#ifndef __IMAGE_VIEWER_H__
#define __IMAGE_VIEWER_H__

#include <stdbool.h>
#include "image.h"
#include "display_utils.h"
#include "cursor.h"
#include "logger.h"

typedef enum {
  MOD_CURSOR,
  MOD_IMAGE,
  MOD_COUNT,
} image_viewer_mode_t;

typedef struct {
  cursor_t cursor;

  image_t image;

  image_zoom_t scale;
  image_region_t image_region;
  image_region_t display_region;

  image_viewer_mode_t mode;

  display_t *display;
  bool running;

  logger_t *logger;
  image_error_t error;
} image_viewer_t;

image_viewer_t image_viewer_create(char *filename, display_t *display, logger_t *logger);
void image_viewer_destroy(image_viewer_t *viewer);

void image_viewer_start_loop(image_viewer_t *viewer, void *reg_knobs_base);

void image_viewer_display_image(image_viewer_t *viewer);

#endif // __IMAGE_VIEWER_H__