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Torque/SDK/lib/maxsdk31/bezfont.h

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+/**********************************************************************
+ *<
+	FILE: bezfont.h
+
+	DESCRIPTION: Bezier Font Support methods
+
+	CREATED BY: Tom Hudson
+
+	HISTORY: Created 1 November 1995
+
+ *> Copyright (c) 1995, All Rights Reserved.
+ **********************************************************************/
+
+#ifndef __BEZFONT_H__
+
+#define __BEZFONT_H__
+
+#include "plugin.h"
+
+// Forward references
+class BezFontManager;
+
+class BezFontMetrics {
+    public:
+	   	LONG   Height;
+	    LONG   Ascent;
+	    LONG   Descent;
+	    LONG   InternalLeading;
+	    LONG   ExternalLeading;
+	    LONG   AveCharWidth;
+	    LONG   MaxCharWidth;
+	    LONG   Weight;
+	    LONG   Overhang;
+	    LONG   DigitizedAspectX;
+	    LONG   DigitizedAspectY;
+	    BCHAR  FirstChar;
+	    BCHAR  LastChar;
+	    BCHAR  DefaultChar;
+	    BCHAR  BreakChar;
+	    BYTE   Italic;
+	    BYTE   Underlined;
+	    BYTE   StruckOut;
+	    BYTE   PitchAndFamily;
+	    BYTE   CharSet;
+	    DWORD  Flags;
+	    UINT   SizeEM;
+	    UINT   CellHeight;
+	    UINT   AvgWidth;
+		CoreExport BezFontMetrics() {}	// To Do; Fill in fields with reasonable values
+		CoreExport BezFontMetrics(NEWTEXTMETRIC *from);
+	};
+
+// BezFontInfo type
+#define BEZFONT_TRUETYPE	0
+#define BEZFONT_OTHER		1
+
+// BezFontInfo flags
+// None currently defined
+
+class BezFontInfo {
+	public:
+		TSTR name;
+		TSTR style;
+		int type;		// See above
+		DWORD flags;	// See above
+		BezFontMetrics metrics;
+		BezFontInfo() {}
+		BezFontInfo(TSTR n, TSTR s, int t, DWORD f, BezFontMetrics &m) { name=n; style=s; type=t; flags=f; metrics=m; }
+		CoreExport BezFontInfo &operator=(BezFontInfo &from);
+	};
+
+// A class for Dlls to use for info that will be sent back to them at load time
+class DllData {
+	public:
+		DllData() {}
+	};
+
+// This is a callback class which is used to process font enumerations
+class BezFontEnumProc {
+	public:
+		virtual BOOL CALLBACK Entry(BezFontInfo &info, LPARAM userInfo)=0;
+	};
+
+// A special enumerator for the font manager
+class BezFontMgrEnumProc {
+	public:
+		BezFontManager *mgr;
+		CoreExport BOOL CALLBACK Entry(BezFontInfo &info, LPARAM userInfo, DllData *dllData);
+		void SetMgr(BezFontManager *m) { mgr = m; }
+	};
+
+// A class for listing font input dlls
+class BezFontDll {
+	public:
+		ClassDesc *dll;
+		BezFontDll() { dll=NULL; }
+		BezFontDll(ClassDesc *d) { dll = d; }
+	};
+
+typedef Tab<BezFontDll *> BezFontDllTab;
+
+// A class for providing access to required Max internals
+class FontMgrInterface {
+     public:
+		virtual HINSTANCE	AppInst() = 0;
+		virtual HWND		AppWnd() = 0;
+		virtual DllDir		*AppDllDir() = 0;
+    	virtual int			GetFontDirCount() = 0;
+		virtual TCHAR		*GetFontDir (int i) = 0;
+	};
+
+typedef int BEZFONTHANDLE;
+
+// A class used for listing the fonts we currently have available
+class AvailableFont {
+	public:
+		BezFontInfo info;
+		DllData *dllData;
+		int dllIndex;	// The index of the DLL which provides this font (in BezFontDllTab)
+		AvailableFont() { dllData = NULL; }
+		AvailableFont(BezFontInfo &i, int di, DllData *dd=NULL) { info=i; dllIndex=di; dllData=dd; }
+		~AvailableFont() { if(dllData) delete dllData; }
+	};
+
+typedef Tab<AvailableFont *> AvailableFontTab;
+
+// The basic bezier font class
+class BezFont {
+	public:
+		CoreExport BezFont() { }
+		CoreExport virtual void EnumerateFonts(BezFontMgrEnumProc &proc, LPARAM userInfo)=0;
+		CoreExport virtual int OpenFont(TSTR name, DWORD flags, DllData *dllData)=0;
+		CoreExport virtual void CloseFont()=0;
+		CoreExport virtual BOOL BuildCharacter(UINT index, float height, BezierShape &shape, float &width, int fontShapeVersion=1)=0;
+	};
+
+// A class used to list the fonts currently open
+class OpenBezFont {
+	public:
+		int index;			 	// The index in AvailableFont
+		DWORD flags;			// The style flags
+		BEZFONTHANDLE handle;	// The handle we know it by
+		int count;				// The number of users
+		BezFont *loader;		// The loader for the font
+		OpenBezFont() {}
+		OpenBezFont(int i, DWORD f, BEZFONTHANDLE h, BezFont *l) { index=i; flags=f; handle=h; count=1; loader=l; }
+		~OpenBezFont();
+	};
+
+typedef Tab<OpenBezFont *> OpenBezFontTab;
+
+// This is the interface into Bezier fonts within the MAX system.
+// This includes TrueType fonts and any other fonts supported via
+// plugins.
+
+// OpenFont flags
+// None currently defined
+
+class BezFontManager {
+	friend class BezFontMgrEnumProc;
+
+	private:
+		FontMgrInterface *iface;
+		BOOL initialized;
+		BezFontDllTab dllTab;
+		AvailableFontTab available;
+		OpenBezFontTab open;
+		BezFontMgrEnumProc enumProc;			// What we use to get the available fonts
+	public:
+		CoreExport BezFontManager();
+		CoreExport ~BezFontManager();
+		CoreExport void SetInterface(FontMgrInterface *i) { iface = i; }
+		CoreExport void Init();
+		CoreExport void Uninit();
+		CoreExport void Reinit();
+		CoreExport void EnumerateFonts(BezFontEnumProc &proc, LPARAM userInfo);
+		CoreExport BOOL FontExists(TSTR name);			// Returns TRUE if the font is available
+		CoreExport BEZFONTHANDLE OpenFont(TSTR name, DWORD flags);
+		CoreExport BOOL CloseFont(BEZFONTHANDLE handle);	// Returns TRUE if the font is still in use
+		CoreExport BOOL BuildCharacter(BEZFONTHANDLE handle, UINT index, float height, BezierShape &shape, float &width, int fontShapeVersion=1);
+		CoreExport FontMgrInterface *GetInterface() { return iface; }
+		CoreExport BOOL GetFontInfo(TSTR name, BezFontInfo &info);
+	};
+
+extern CoreExport BezFontManager theBezFontManager;
+
+#endif //__BEZFONT_H__