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Include/ZRendererUtil/ZSolidFontRenderer.hpp

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+/*
+	ZSolidFontRenderer.hpp
+	Author: Patrick Baggett <ptbaggett@762studios.com>
+
+	Purpose: TODO
+
+	Changelog
+	2011/09/18 - creation (ptbaggett)
+*/
+
+#pragma once
+
+#ifndef _ZSOLIDFONTRENDERER_H
+#define _ZSOLIDFONTRENDERER_H
+
+#include <SST/SST_Mat44.h>
+
+#include <ZRenderer/ZRenderer.hpp>
+#include <ZRenderer/ZDataBuffer.hpp>
+#include <ZRendererUtil/ZFontRendererBase.hpp>
+#include <ZRendererUtil/ZSolidFontFace.hpp>
+
+#include <ft2build.h>
+#include FT_FREETYPE_H
+
+#define TRICACHE_SIZE (8*1024)	//Cache up to 8K polygons before drawing
+
+class ZSolidFontRenderer : public ZFontRendererBase
+{
+protected:
+	ZRenderer* renderer;
+	ZPtr<ZDataBuffer> tricache;
+	
+	const ZDataBufferStream* posstream;
+	const ZDataBufferStream* colorstream;
+	const ZDataBufferBlock* matrixBlock;
+	const ZDataBufferBlock* indexBlock;
+
+	ZPtr<ZShaderProgram> shaderprogram;
+	ZPtr<ZShaderParams> shaderparams;
+	ZPtr<ZIndexParams> indexparams;
+	ZPtr<ZVertexParams> vertexparams;
+
+	ZPtr<ZDataBuffer>  uniforms;
+	ZPtr<ZDataBuffer> indexes;
+
+	ZFrameContext ctx;
+	SST_Mat44f xform;
+
+	//Internal used struct for vertex / color pairing
+	struct SolidVertex
+	{
+		float x, y;
+		float rgba[4];
+	};
+
+	SolidVertex* vtx_dma;
+	FT_Library library;
+	float color[4];
+	size_t nrTrisWritten;
+	bool inRendering;
+
+	void flushTriCache();
+
+public:
+
+	/*
+	Constructor.
+
+	@param _renderer - the current renderer instance.
+	*/
+	ZSolidFontRenderer(ZRenderer* _renderer);
+
+	/*
+	Destructor.
+	*/
+	virtual ~ZSolidFontRenderer();
+
+	//Subclass Implementation
+	virtual ZFontFace CreateFontFace(int pixelSize, const void* fontData, unsigned int dataSize);
+
+	//Subclass Implementation
+	virtual void DeleteFontFace(ZFontFace face);
+
+	//Subclass Implementation
+	virtual void BeginText(ZFrameContext _ctx, const SST_Mat44f& _xform);
+
+	//Subclass Implementation
+	virtual void EndText();
+
+	//Subclass Implementation
+	virtual void RenderText(int x, int y, const char* text);
+
+	//Subclass Implementation
+	virtual void ComputeBounds(const char* text, ZFontBounds* bounds);
+
+	//Subclass Implementation
+	virtual void SetColor(float r, float g, float b, float a);
+};
+
+#endif