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# FontInstaller.cpp

    00001 #include "StdAfx.h"
    00002 #include ".\fontinstaller.h"
    00003
    00004 CFontInstaller::CFontInstaller()
    00005 {
    00006         if(HMODULE hGdi = GetModuleHandle(_T("gdi32.dll")))
    00007         {
    00008                 pAddFontMemResourceEx = (HANDLE (WINAPI *)(PVOID,DWORD,PVOID,DWORD*))GetProcAddress(hGdi, "AddFontMemResourceEx");
    00009                 pAddFontResourceEx = (int (WINAPI *)(LPCTSTR,DWORD,PVOID))GetProcAddress(hGdi, "AddFontResourceExA");
    00010                 pRemoveFontMemResourceEx = (BOOL (WINAPI *)(HANDLE))GetProcAddress(hGdi, "RemoveFontMemResourceEx");
    00011                 pRemoveFontResourceEx = (BOOL (WINAPI *)(LPCTSTR,DWORD,PVOID))GetProcAddress(hGdi, "RemoveFontResourceExA");
    00012         }
    00013
    00014         if(HMODULE hGdi = GetModuleHandle(_T("kernel32.dll")))
    00015         {
    00016                 pMoveFileEx = (BOOL (WINAPI *)(LPCTSTR, LPCTSTR, DWORD))GetProcAddress(hGdi, "MoveFileExA");
    00017         }
    00018 }
    00019
    00020 CFontInstaller::~CFontInstaller()
    00021 {
    00022         UninstallFonts();
    00023 }
    00024
    00025 bool CFontInstaller::InstallFont(const CArray<BYTE>& data)
    00026 {
    00027         return InstallFont(data.GetData(), data.GetSize());
    00028 }
    00029
    00030 bool CFontInstaller::InstallFont(const void* pData, UINT len)
    00031 {
    00032         return InstallFontFile(pData, len) || InstallFontMemory(pData, len);
    00033 }
    00034
    00035 void CFontInstaller::UninstallFonts()
    00036 {
    00037         if(pRemoveFontMemResourceEx)
    00038         {
    00039                 POSITION pos = m_fonts.GetHeadPosition();
    00040                 while(pos) pRemoveFontMemResourceEx(m_fonts.GetNext(pos));
    00041                 m_fonts.RemoveAll();
    00042         }
    00043
    00044         if(pRemoveFontResourceEx)
    00045         {
    00046                 POSITION pos = m_files.GetHeadPosition();
    00047                 while(pos)
    00048                 {
    00049                         CString fn = m_files.GetNext(pos);
    00050                         pRemoveFontResourceEx(fn, FR_PRIVATE, 0);
    00051                         if(!DeleteFile(fn) && pMoveFileEx)
    00052                                 pMoveFileEx(fn, NULL, MOVEFILE_DELAY_UNTIL_REBOOT);
    00053                 }
    00054
    00055                 m_files.RemoveAll();
    00056         }
    00057 }
    00058
    00059 bool CFontInstaller::InstallFontMemory(const void* pData, UINT len)
    00060 {
    00061         if(!pAddFontMemResourceEx)
    00062                 return false;
    00063
    00064         DWORD nFonts = 0;
    00065         HANDLE hFont = pAddFontMemResourceEx((PVOID)pData, len, NULL, &nFonts);
    00066         if(hFont && nFonts > 0) m_fonts.AddTail(hFont);
    00067         return hFont && nFonts > 0;
    00068 }
    00069
    00070 bool CFontInstaller::InstallFontFile(const void* pData, UINT len)
    00071 {
    00072         if(!pAddFontResourceEx)
    00073                 return false;
    00074
    00075         CFile f;
    00076         TCHAR path[MAX_PATH], fn[MAX_PATH];
    00077         if(!GetTempPath(MAX_PATH, path) || !GetTempFileName(path, _T("g_font"), 0, fn))
    00078                 return false;
    00079
    00080         if(f.Open(fn, CFile::modeWrite))
    00081         {
    00082                 f.Write(pData, len);
    00083                 f.Close();
    00084
    00085                 if(pAddFontResourceEx(fn, FR_PRIVATE, 0) > 0)
    00086                 {
    00087                         m_files.AddTail(fn);
    00088                         return true;
    00089                 }
    00090         }
    00091
    00092         DeleteFile(fn);
    00093         return false;
    00094 }