ITextRenderer.h

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

#pragma once

#include "Types.h"
#include "Text.h"
#include "Fonts.h"
#include "IRenderableFilter.h"
#include "VectorMath.h"
#include "Graphics.h"
#include "LayerIds.h"

#include <vector>

namespace Eegeo
{
    namespace Text
    {
        class ITextRenderer : public Eegeo::Rendering::IRenderableFilter
        {
        public:
            virtual ~ITextRenderer() {;}
            
            virtual void SetDefaultState() = 0;
            
            virtual void SetFontInstance(const Fonts::FontInstance* pFontInstance) = 0;
            
            virtual void SetTextSize(float pixelHeight) = 0;
            
            virtual void SetGlyphColor(const v4& color) = 0;
            
            virtual void SetOutlineColor(const v4& color) = 0;
            
            virtual void SetHaloStyle(const v4& color, float haloWidth, float haloHardness) = 0;
            
            virtual void SetTransform(const v2& translate, const v2& rotate, const v2& scale) = 0;
            
            virtual void SetDepthTest(bool depthTest) = 0;
            
            virtual void SetStencilTest(bool stencilTest) = 0;
            
            virtual void SetStencilFunc(GLenum stencilFunc, int stencilRef, u32 stencilMask) = 0;
            
            virtual void SetStencilMaskedStyle(bool enable, GLenum stencilFunc, const v4& glyphColor, const v4& haloColor) = 0;
            
            virtual void SetRenderLayer(Rendering::LayerIds::Values layer, int subLayer) = 0;
            
            virtual void SetAlpha(float alpha) = 0;
            
            virtual void DrawShapedGlyph(const ShapedGlyph& shapedGlyph) = 0;
            
            virtual void DrawShapedGlyphs(const std::vector<Text::ShapedGlyph>& shapedGlyphs) = 0;
            
            virtual void Finalize() = 0;
            
            virtual void Upload() = 0;

            virtual void Reset() = 0;
        };
    }
}