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105 lines
3.1 KiB
105 lines
3.1 KiB
5 years ago
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//-----------------------------------------------------------------------------
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// Name: Glyphs.cpp
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//
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// Desc: Functions and global variables for keeping track of font glyphs
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//
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// Hist: 09.06.02 - Revised Fontmaker sample
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//
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// Copyright (c) Microsoft Corporation. All rights reserved.
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//-----------------------------------------------------------------------------
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#ifndef GLYPHS_H
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#define GLYPHS_H
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//-----------------------------------------------------------------------------
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// Name: struct GLYPH_ATTR
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// Desc: A structure to hold attributes for one glpyh. The left, right, etc.
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// values are texture coordinate offsets into the resulting texture image
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// (which ends up in the .tga file). The offset, width, etc. values are
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// spacing information, used when rendering the font.
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//-----------------------------------------------------------------------------
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struct FILE_GLYPH_ATTR
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{
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FLOAT fLeft, fTop, fRight, fBottom;
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};
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struct GLYPH_ATTR : public FILE_GLYPH_ATTR
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{
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int a, b, c;
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int x, y, w, h;
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};
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//-----------------------------------------------------------------------------
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// Name: class CTextureFont
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// Desc: A class to hold all information about a texture-based font
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//-----------------------------------------------------------------------------
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class CTextureFont
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{
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public:
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// current ttf font
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LOGFONT m_LogFont;
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HFONT m_hFont;
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BOOL m_bAntialiasEffect;
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BOOL m_bShadowEffect;
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BOOL m_bOutlineEffect;
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int m_nBlur;
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int m_nScanlines;
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// Glyph info
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BYTE* m_ValidGlyphs;
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WCHAR m_cMaxGlyph;
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WORD* m_TranslatorTable;
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BOOL m_bIncludeNullCharacter;
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DWORD m_dwNumGlyphs;
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GLYPH_ATTR* m_pGlyphs;
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// Texture info
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DWORD m_dwTextureWidth;
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DWORD m_dwTextureHeight;
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DWORD* m_pBits;
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CHAR m_strFontName[MAX_PATH];
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// current custom font
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const char *m_pCustomFilename;
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unsigned char m_customGlyphs[256];
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char *m_pCustomGlyphFiles[256];
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int m_maxCustomCharHeight;
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public:
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HRESULT DeleteGlyph( WORD wGlyph );
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HRESULT InsertGlyph( WORD wGlyph );
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HRESULT ExtractValidGlyphsFromRange( WORD wStartGlyph, WORD wEndGlyph );
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HRESULT ExtractValidGlyphsFromFile( const CHAR* strFileName );
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HRESULT BuildTranslatorTable();
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HRESULT CalculateAndRenderGlyphs();
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HRESULT ReadCustomFontFile( CHAR* strFileName );
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HRESULT ReadFontInfoFile( CHAR* strFileName );
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HRESULT WriteFontInfoFile( CHAR* strFileName );
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HRESULT WriteFontImageFile( CHAR* strFileName, bool bAdditiveMode, bool bCustomFont );
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VOID ClearFont();
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VOID DestroyObjects();
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CTextureFont();
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~CTextureFont();
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private:
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GLYPH_ATTR* RenderCustomGlyphs( HBITMAP hBitmap );
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GLYPH_ATTR* RenderTTFGlyphs( HFONT hFont, HBITMAP hBitmap,
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DWORD dwTextureWidth, DWORD dwTextureHeight,
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BOOL bOutlineEffect, BOOL bShadowEffect,
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int nScanlineEffect, int nBlurEffect,
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BOOL bAntialias,
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BYTE* ValidGlyphs, DWORD dwNumGlyphs );
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};
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#endif // GLYPHS_H
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