AtlasTexturePageLayout.h

// Copyright eeGeo Ltd (2012-2014), All Rights Reserved

#pragma once

#include "Types.h"
#include "ITexturePageLayout.h"
#include "Bounds.h"
#include <string>
#include <map>

namespace Eegeo
{
    namespace Rendering
    {
        class AtlasTexturePageLayout : protected NonCopyable, public ITexturePageLayout
        {
        public:
            
            AtlasTexturePageLayout(int imageWidth, int imageHeight, bool vFlip);
            
            Geometry::Bounds2D GetTileUVBounds(int index) const;
            
            void AddSprite(int index, const Geometry::Bounds2D& pixelCoords);
            void RemoveSprite(int index);
            
            bool HasSprite(int index) const;
            
            const int GetPageWidth() const { return m_imageWidth; }
            const int GetPageHeight() const { return m_imageHeight; }
        private:
            
            const int m_imageWidth;
            const int m_imageHeight;
            const bool m_vFlip;
            
            std::map<int, Geometry::Bounds2D> m_spriteIdToUVBoundsMap;
            
            bool ValidateBounds(const Geometry::Bounds2D& pixelCoords);
            
        };
    }
}