Initial commit

neo/renderer/Font.h

@@ -0,0 +1,103 @@
+/*
+===========================================================================
+
+Doom 3 BFG Edition GPL Source Code
+Copyright (C) 1993-2012 id Software LLC, a ZeniMax Media company. 
+
+This file is part of the Doom 3 BFG Edition GPL Source Code ("Doom 3 BFG Edition Source Code").  
+
+Doom 3 BFG Edition Source Code is free software: you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+Doom 3 BFG Edition Source Code is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with Doom 3 BFG Edition Source Code.  If not, see <http://www.gnu.org/licenses/>.
+
+In addition, the Doom 3 BFG Edition Source Code is also subject to certain additional terms. You should have received a copy of these additional terms immediately following the terms and conditions of the GNU General Public License which accompanied the Doom 3 BFG Edition Source Code.  If not, please request a copy in writing from id Software at the address below.
+
+If you have questions concerning this license or the applicable additional terms, you may contact in writing id Software LLC, c/o ZeniMax Media Inc., Suite 120, Rockville, Maryland 20850 USA.
+
+===========================================================================
+*/
+#ifndef __FONT_H__
+#define __FONT_H__
+
+struct scaledGlyphInfo_t {
+	float	top, left;
+	float	width, height;
+	float	xSkip;
+	float	s1, t1, s2, t2;
+	const class idMaterial * material;
+};
+
+class idFont {
+public:
+	idFont( const char * n );
+	~idFont();
+
+	void Touch();
+
+	const char * GetName() const { return name; }
+
+	float GetLineHeight( float scale ) const;
+	float GetAscender( float scale ) const;
+	float GetMaxCharWidth( float scale ) const;
+
+	float GetGlyphWidth( float scale, uint32 idx ) const;
+	void GetScaledGlyph( float scale, uint32 idx, scaledGlyphInfo_t & glyphInfo ) const;
+
+private:
+	static idFont * RemapFont( const char * baseName );
+
+	int	GetGlyphIndex( uint32 idx ) const;
+
+	bool LoadFont();
+
+	struct glyphInfo_t {
+		byte	width;	// width of glyph in pixels
+		byte	height;	// height of glyph in pixels
+		char	top;	// distance in pixels from the base line to the top of the glyph
+		char	left;	// distance in pixels from the pen to the left edge of the glyph
+		byte	xSkip;	// x adjustment after rendering this glyph
+		uint16	s;		// x offset in image where glyph starts (in pixels)
+		uint16	t;		// y offset in image where glyph starts (in pixels)
+	};
+	struct fontInfo_t {
+		struct oldInfo_t {
+			float maxWidth;
+			float maxHeight;
+		} oldInfo[3];
+
+		short		ascender;
+		short		descender;
+
+		short		numGlyphs;
+		glyphInfo_t * glyphData;
+
+		// This is a sorted array of all characters in the font
+		// This maps directly to glyphData, so if charIndex[0] is 42 then glyphData[0] is character 42
+		uint32 *	charIndex;
+
+		// As an optimization, provide a direct mapping for the ascii character set
+		char		ascii[128];
+
+		const idMaterial *	material;
+	};
+
+	// base name of the font (minus "fonts/" and ".dat")
+	idStr			name;
+
+	// Fonts can be aliases to other fonts
+	idFont * alias;
+
+	// If the font is NOT an alias, this is where the font data is located
+	fontInfo_t * fontInfo;
+};
+
+#endif