mirror of
https://github.com/ONLYOFFICE/core.git
synced 2026-07-20 00:03:33 +08:00
157 lines
3.9 KiB
C++
157 lines
3.9 KiB
C++
#include "Font.h"
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BOOL FontValidate (FontDict pFont)
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{
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if ( !pFont || !pFont->pAttr || pFont->pHeader.nObjClass != (OSUBCLASS_FONT | OCLASS_DICT) )
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return FALSE;
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return TRUE;
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}
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TextWidth FontTextWidth (FontDict pFont, const BYTE *sText, unsigned int nLen, unsigned int *pCIDs, unsigned int nLenCID)
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{
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TextWidth oTextWidth = {0, 0, 0, 0};
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if ( !FontValidate( pFont ) )
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return oTextWidth;
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if ( nLen > LIMIT_MAX_STRING_LEN )
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{
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RaiseError( pFont->oError, AVS_OFFICEPDFWRITER_ERROR_STRING_OUT_OF_RANGE, 0 );
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return oTextWidth;
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}
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FontAttr pAttr = (FontAttr)pFont->pAttr;
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if ( !pAttr->pTextWidthFn )
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{
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SetError( pFont->oError, AVS_OFFICEPDFWRITER_ERROR_INVALID_OBJECT, 0);
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return oTextWidth;
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}
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oTextWidth = pAttr->pTextWidthFn( pFont, sText, nLen, pCIDs, nLenCID);
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return oTextWidth;
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}
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unsigned int FontMeasureText (FontDict pFont, const BYTE *sText, unsigned int nLen, unsigned int *pCIDs, unsigned int nLenCID, float fWidth, float fFontSize, float fCharSpace, float fWordSpace, BOOL bWordWrap, float *pfRealWidth)
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{
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if ( !FontValidate( pFont ) )
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return 0;
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if ( nLen > LIMIT_MAX_STRING_LEN )
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{
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RaiseError( pFont->oError, AVS_OFFICEPDFWRITER_ERROR_STRING_OUT_OF_RANGE, 0 );
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return 0;
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}
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FontAttr pAttr = (FontAttr)pFont->pAttr;
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if ( !pAttr->pMeasureTextFn )
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{
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SetError( pFont->oError, AVS_OFFICEPDFWRITER_ERROR_INVALID_OBJECT, 0);
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return 0;
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}
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return pAttr->pMeasureTextFn( pFont, sText, nLen, pCIDs, nLenCID, fWidth, fFontSize, fCharSpace, fWordSpace, bWordWrap, pfRealWidth);
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}
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const char* FontGetFontName (FontDict pFont)
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{
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if ( !FontValidate( pFont ) )
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return NULL;
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FontAttr pAttr = (FontAttr)pFont->pAttr;
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return pAttr->pFontDef->sBaseFont;
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}
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const char* FontGetEncodingName (FontDict pFont)
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{
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if ( !FontValidate( pFont ) )
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return NULL;
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FontAttr pAttr = (FontAttr)pFont->pAttr;
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return pAttr->pEncoder->sName;
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}
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const char* FontGetToUnicodeName(FontDict pFont)
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{
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if ( !FontValidate( pFont ) )
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return NULL;
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FontAttr pAttr = (FontAttr)pFont->pAttr;
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return pAttr->pToUnicode->sName;
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}
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int FontGetUnicodeWidth (FontDict pFont, unsigned short nCode)
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{
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if ( !FontValidate( pFont ) )
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return 0;
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FontAttr pAttr = (FontAttr)pFont->pAttr;
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FontDef pFontDef = pAttr->pFontDef;
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if ( FontDefType1 == pFontDef->eType )
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return Type1FontDefGetWidth( pFontDef, nCode );
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else if ( FontDefTrueType == pFontDef->eType )
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return TTFontDefGetCharWidth( pFontDef, nCode);
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else if ( FontDefCID == pFontDef->eType )
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{
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CMapEncoderAttr pEncoderAttr = (CMapEncoderAttr)pAttr->pEncoder->pAttr;
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for ( int nIndexL = 0; nIndexL <= 255; nIndexL++)
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{
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for ( int nIndexH = 0; nIndexH < 255; nIndexH++)
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{
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if ( nCode == pEncoderAttr->anUnicodeMap[nIndexL][nIndexH] )
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{
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unsigned short nCID = pEncoderAttr->anCIDMap[nIndexL][nIndexH];
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return CIDFontDefGetCIDWidth( pFontDef, nCID );
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}
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}
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}
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}
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return 0;
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}
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Box FontGetBBox (FontDict pFont)
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{
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Box oBox = {0, 0, 0, 0};
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if ( FontValidate( pFont ) )
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return ((FontAttr)pFont->pAttr)->pFontDef->oFontBox;
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return oBox;
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}
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int FontGetAscent (FontDict pFont)
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{
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if ( FontValidate( pFont ) )
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return ((FontAttr)pFont->pAttr)->pFontDef->nAscent;
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return 0;
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}
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int FontGetDescent (FontDict pFont)
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{
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if ( FontValidate( pFont ) )
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return ((FontAttr)pFont->pAttr)->pFontDef->nDescent;
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return 0;
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}
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unsigned int FontGetXHeight (FontDict pFont)
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{
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if ( FontValidate( pFont ) )
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return ((FontAttr)pFont->pAttr)->pFontDef->nXHeight;
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return 0;
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}
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unsigned int FontGetCapHeight (FontDict pFont)
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{
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if ( FontValidate( pFont ) )
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return ((FontAttr)pFont->pAttr)->pFontDef->nCapHeight;
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return 0;
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}
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