image.h

// Copyright 2021, Savvy Sine, alinen
 
#ifndef AGL_IMAGE_H_
#define AGL_IMAGE_H_
 
#include <iostream>
#include <string>
#include "agl/aglm.h"
 
namespace agl {
 
struct Pixel {
    unsigned char r;
    unsigned char g;
    unsigned char b;
    unsigned char a;
};
 
class Image {
 public:
  Image();
  Image(int width, int height);
  Image(const Image& orig);
  Image& operator=(const Image& orig);
 
  virtual ~Image();
 
  bool load(const std::string& filename);
 
  bool save(const std::string& filename, bool flip = true) const;
 
  inline int width() const { return myWidth; }
 
  inline int height() const { return myHeight; }
 
  inline unsigned char* data() const { return myData; }
 
  void set(int width, int height, unsigned char* data);
 
  Pixel get(int row, int col) const;
 
  void set(int row, int col, const Pixel& color);
 
  void setVec4(int row, int col, const glm::vec4& color);
 
  glm::vec4 getVec4(int row, int col) const;
 
 private:
  void clear();
 
 private:
  unsigned char* myData;
  unsigned int myWidth;
  unsigned int myHeight;
  bool myLoaded;
};
}  // namespace agl
#endif  // AGL_IMAGE_H_