//================ Copyright (c) 2017, PG, All rights reserved. =================//
//
// Purpose:		container for dynamically merging multiple images into one
//
// $NoKeywords: $imgtxat
//===============================================================================//

#ifndef TEXTUREATLAS_H
#define TEXTUREATLAS_H

#include "Resource.h"

class Image;

class TextureAtlas : public Resource {
   public:
    TextureAtlas(int width = 512, int height = 512);
    virtual ~TextureAtlas() { destroy(); }

    Vector2 put(int width, int height, Color *pixels) { return put(width, height, false, false, pixels); }
    Vector2 put(int width, int height, bool flipHorizontal, bool flipVertical, Color *pixels);

    void setPadding(int padding) { m_iPadding = padding; }

    inline int getWidth() const { return m_iWidth; }
    inline int getHeight() const { return m_iHeight; }
    inline Image *getAtlasImage() const { return m_atlasImage; }

   private:
    virtual void init();
    virtual void initAsync();
    virtual void destroy();

    int m_iPadding;

    int m_iWidth;
    int m_iHeight;

    Image *m_atlasImage;

    int m_iCurX;
    int m_iCurY;
    int m_iMaxHeight;
};

#endif