Bitmap.hpp

#pragma once
 
#include <Optibits/Buffer.hpp>
#include <Optibits/Color.hpp>
#include <Optibits/Utility.hpp>
#include <string>
#include <string_view>
 
namespace Optibits
{
 
  class Bitmap
  {
    int mWidth = 0, mHeight = 0;
    Buffer mPixels;
 
  public:
    
    Bitmap() = default;
 
    Bitmap(int width, int height, Color c = Color::NONE);
 
    Bitmap(int width, int height, Optibits::Buffer&& buffer);
 
    int width() const { return mWidth; };
    int height() const { return mHeight; };
 
    void resize(int width, int height, Color c = Color::NONE);
 
 
    const Color* data() const { return reinterpret_cast<const Color*>(mPixels.data()); }
    Color* data() { return reinterpret_cast<Color*>(mPixels.data()); }
 
    const Color& pixel(int x, int y) const { return data()[y * mWidth + x]; }
    Color& pixel(int x, int y) { return data()[y * mWidth + x]; }
 
    // https://en.wikipedia.org/wiki/Alpha_compositing
    void blendPixel(int x, int y, Color c);
 
    void insert(const Bitmap& source, int x, int y, Rect sourceRect);
 
    void applyColorKey(Color key);
 
    bool operator==(const Bitmap&) const;
 
  };
 
 
  Bitmap applyBorderFlags(unsigned imageFlags, const Bitmap& source, Rect sourceRect);
 
}