85 lines
3.1 KiB
C++
85 lines
3.1 KiB
C++
//-------------------------------------------------------------------------------------------------
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// Author: Márcio Martins
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//
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// Purpose:
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// - Render a glyph outline into a bitmap using FreeType 2
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//
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// History:
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// - [6/6/2003] created the file
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//
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//-------------------------------------------------------------------------------------------------
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#pragma once
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#include <string>
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#include "GlyphBitmap.h"
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#include "FreeType2/include/FreeType/FreeType.h"
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// Corresponds to the Unicode character set. This value covers all versions of the Unicode repertoire,
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// including ASCII and Latin-1. Most fonts include a Unicode charmap, but not all of them.
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#define FONT_ENCODING_UNICODE (FT_ENCODING_UNICODE)
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// Corresponds to the Microsoft Symbol encoding, used to encode mathematical symbols in the 32..255 character code range.
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// For more information, see `http://www.ceviz.net/symbol.htm'.
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#define FONT_ENCODING_SYMBOL (FT_ENCODING_MS_SYMBOL)
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// Corresponds to Microsoft's Japanese SJIS encoding.
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// More info at `http://langsupport.japanreference.com/encoding.shtml'. See note on multi-byte encodings below.
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#define FONT_ENCODING_SJIS (FT_ENCODING_MS_SJIS)
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// Corresponds to the encoding system for Simplified Chinese, as used in China. Only found in some TrueType fonts.
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#define FONT_ENCODING_GB2312 (FT_ENCODING_MS_GB2312)
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// Corresponds to the encoding system for Traditional Chinese, as used in Taiwan and Hong Kong. Only found in some TrueType fonts.
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#define FONT_ENCODING_BIG5 (FT_ENCODING_MS_BIG5)
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// Corresponds to the Korean encoding system known as Wansung.
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// This is a Microsoft encoding that is only found in some TrueType fonts.
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// For more information, see `http://www.microsoft.com/typography/unicode/949.txt'.
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#define FONT_ENCODING_WANSUNG (FT_ENCODING_MS_WANSUNG)
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// The Korean standard character set (KS C-5601-1992), which corresponds to Windows code page 1361.
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// This character set includes all possible Hangeul character combinations. Only found on some rare TrueType fonts.
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#define FONT_ENCODING_JOHAB (FT_ENCODING_MS_JOHAB)
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//------------------------------------------------------------------------------------
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class CFontRenderer
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{
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public:
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CFontRenderer();
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~CFontRenderer();
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int LoadFromFile(const string &szFileName);
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int LoadFromMemory(unsigned char *pBuffer, int iBufferSize);
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int Release();
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int SetGlyphBitmapSize(int iWidth, int iHeight);
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int GetGlyphBitmapSize(int *pWidth, int *pHeight);
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int SetSizeRatio(float fSizeRatio) { m_fSizeRatio = fSizeRatio; return 1; };
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float GetSizeRatio() { return m_fSizeRatio; };
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int SetEncoding(FT_Encoding pEncoding);
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FT_Encoding GetEncoding() { return m_pEncoding; };
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int GetGlyph(CGlyphBitmap *pGlyphBitmap, int *iGlyphWidth, int *iGlyphHeight, int iX, int iY, int iCharCode);
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int GetGlyphScaled(CGlyphBitmap *pGlyphBitmap, int *iGlyphWidth, int *iGlyphHeight, int iX, int iY, float fScaleX, float fScaleY, int iCharCode);
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private:
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FT_Library m_pLibrary;
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FT_Face m_pFace;
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FT_GlyphSlot m_pGlyph;
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float m_fSizeRatio;
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FT_Encoding m_pEncoding;
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int m_iGlyphBitmapWidth;
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int m_iGlyphBitmapHeight;
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}; |