bmp.h

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#pragma once
 
#include <fstream>
#include <iostream>
#include <exception>
#include <string>
#include <sstream>
 
#include "Vec2.h"
#include "Image.h"

namespace BMP {
  class BMPException : public std::exception {
  public:
    BMPException(const std::string& whatStr) : whatStr(whatStr) {}
    virtual const char* what() const throw() {
      return whatStr.c_str();
    }
  private:
    std::string whatStr; 
  };

  bool save(const std::string& filename, const Image& source, bool ignoreSize=false);

  bool save(const std::string& filename, uint32_t w, uint32_t h,
            const std::vector<uint8_t>& data, uint8_t iComponentCount = 3,
            bool ignoreSize=false);

  bool save(const std::string& filename, uint32_t w, uint32_t h,
            const std::vector<float>& data, uint8_t iComponentCount = 3,
            bool ignoreSize=false);

  Image load(const std::string& filename);

  void blit(const Image& source, const Vec2ui& sourceStart, const Vec2ui& sourceEnd,
            Image& target, const Vec2ui& targetStart, bool skipChecks=false);
}