mirror of
https://github.com/ONLYOFFICE/core.git
synced 2026-04-07 13:55:33 +08:00
c3cb7fd17d
git-svn-id: svn://fileserver/activex/AVS/Sources/TeamlabOffice/trunk/ServerComponents@53940 954022d7-b5bf-4e40-9824-e11837661b57
93 lines
2.6 KiB
C++
93 lines
2.6 KiB
C++
#include "stdafx.h"
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#include "FT_FontEngine.h"
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#include "FT_Font.h"
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#include "FT_FontFile.h"
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//-------------------------------------------------------------------------------------------------------------------------------
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// CFreeTypeFontFile
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//-------------------------------------------------------------------------------------------------------------------------------
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CFontFile *CFreeTypeFontFile::LoadFont(CFreeTypeFontEngine *pEngine, wchar_t *wsFileName, long lIndex)
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{
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USES_CONVERSION;
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FT_Face pFace = NULL;
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// îòêðûâàåì ôàéë
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HANDLE hFile = CreateFile( (LPCWSTR)wsFileName, GENERIC_READ, FILE_SHARE_READ, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
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if (INVALID_HANDLE_VALUE == hFile)
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return NULL; // Íåâîçìîæíî îòêðûòü ôàéë
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// ìàïèì ýòîò ôàéë â ïàìÿòü - òàê áûñòðåå ÷èòàþòñÿ äàííûå èç ôàéëà
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DWORD nFileSize = GetFileSize(hFile, NULL);
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HANDLE hMapFile = CreateFileMapping(hFile, NULL, PAGE_READONLY, 0, nFileSize, NULL);
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if (NULL == hMapFile)
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{
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CloseHandle( hFile );
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return NULL; // Íåâîçìîæíî ñîçäàòü îòîáðàæåíèå ôàéëà
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}
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void *pBaseAddress = MapViewOfFile( hMapFile, FILE_MAP_READ, 0, 0, 0 );
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if ( !pBaseAddress )
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{
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CloseHandle( hMapFile );
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CloseHandle( hFile );
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return NULL;
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}
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FT_Open_Args oOpenArgs;
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oOpenArgs.flags = FT_OPEN_MEMORY;
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oOpenArgs.memory_base = (BYTE*)pBaseAddress;
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oOpenArgs.memory_size = (FT_Long)nFileSize;
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if ( FT_Open_Face( pEngine->m_pLibrary, &oOpenArgs, lIndex, &pFace ) )
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//if ( FT_New_Face( pEngine->m_pLibrary, W2A( wsFileName ), lIndex, &pFace ) )
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{
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if ( pBaseAddress )
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UnmapViewOfFile( pBaseAddress );
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CloseHandle( hMapFile );
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CloseHandle( hFile );
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return NULL;
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}
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if ( NULL == pFace->charmap && 0 != pFace->num_charmaps )
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FT_Set_Charmap( pFace, pFace->charmaps[0] );
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return new CFreeTypeFontFile( pEngine, wsFileName, lIndex, pFace, hFile, hMapFile, pBaseAddress );
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}
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CFreeTypeFontFile::CFreeTypeFontFile(CFreeTypeFontEngine *pEngine, wchar_t *wsFileName, long lIndex, FT_Face pFace, HANDLE hFile, HANDLE hMapFile, void *pBaseAddress):
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CFontFile(wsFileName, lIndex)
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{
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m_pEngine = pEngine;
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m_pFace = pFace;
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m_pBaseAddress = pBaseAddress;
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m_hFile = hFile;
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m_hMapFile = hMapFile;
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}
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CFreeTypeFontFile::~CFreeTypeFontFile()
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{
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if ( m_pFace )
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{
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FT_Done_Face( m_pFace );
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}
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if ( m_pBaseAddress )
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UnmapViewOfFile( m_pBaseAddress );
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if ( m_hMapFile )
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CloseHandle( m_hMapFile );
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if ( m_hFile )
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CloseHandle( m_hFile );
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}
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CFont *CFreeTypeFontFile::MakeFont()
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{
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CFont *pFont = new CFreeTypeFont( this );
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pFont->InitCache();
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return pFont;
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}
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