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Include/ZRendererUtil/ZSolidFontFace.hpp

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+/*
+	ZSolidFontFace.hpp
+	Author: Patrick Baggett <ptbaggett@762studios.com>
+
+	Purpose: TODO
+
+	Changelog
+	2011/09/18 - creation (ptbaggett)
+*/
+
+#pragma once
+
+#ifndef _ZSOLIDFONTFACE_HPP
+#define _ZSOLIDFONTFACE_HPP
+
+#include <SST/SST_Vec2.h>
+
+#include <ZRendererUtil/ZFontRenderer.hpp> //Need ZFontBounds structure
+
+//#include <vector>
+#include <ft2build.h>
+#include FT_FREETYPE_H
+#include FT_GLYPH_H
+
+//Needed for friend class definition
+class ZSolidFontRenderer;
+
+// Structure representing glyph information for use in solid font rendering
+struct ZSolidGlyphInfo
+{
+	FT_UInt glyphId;			// Glyph ID, as read from the font
+	ZArray<SST_Vec2f> verts;	// Vertex data, every 3 vertices makes a triangle
+	int advancex;				// Amount along X axis to advance pen by, in pixels
+	int advancey;				// Amount along Y axis to advance pen by, in pixels
+	ZFontBounds bbox;			// Bounding box of this glyph, in pixels
+};
+
+//Class representing a font face created by a SolidFontRenderer
+class ZSolidFontFace
+{
+friend class ZSolidFontRenderer;
+private:
+	FT_Face face;
+	char* fontData;
+	int hasKerning;
+
+	ZHashMap<unsigned int, ZSolidGlyphInfo> glyphCache;
+
+public:
+
+	/*
+	Default Constructor.
+	*/
+	ZSolidFontFace();
+
+	/*
+	Destructor.
+	*/
+	~ZSolidFontFace();
+
+	/*
+	public ZSolidFontFace::cacheGlyph
+	
+	Caches a glyph, given a UTF-32 character code.  The glyph must not already be loaded.
+	
+	@param charCode - The UTF-32 character code for this glyph
+	@return (const ZSolidGlyphInfo&) - Reference to the glyph information.
+	@context (all)
+	*/
+	const ZSolidGlyphInfo& CacheGlyph(unsigned int charCode);
+
+	/*
+	public ZSolidFontFace::getGlyph
+	
+	Gets a glyph from the cache, or loads it if necessary.
+	
+	@param charCode - 
+	@return (const ZSolidGlyphInfo*)
+	@context (all)
+	*/
+	const ZSolidGlyphInfo* GetGlyph(unsigned int charCode);
+};
+
+#endif