FontInstaller.cpp
上传用户:xjjlds
上传日期:2015-12-05
资源大小:22823k
文件大小:2k
- #include "StdAfx.h"
- #include ".fontinstaller.h"
- CFontInstaller::CFontInstaller()
- {
- if(HMODULE hGdi = GetModuleHandle(_T("gdi32.dll")))
- {
- pAddFontMemResourceEx = (HANDLE (WINAPI *)(PVOID,DWORD,PVOID,DWORD*))GetProcAddress(hGdi, "AddFontMemResourceEx");
- pAddFontResourceEx = (int (WINAPI *)(LPCTSTR,DWORD,PVOID))GetProcAddress(hGdi, "AddFontResourceExA");
- pRemoveFontMemResourceEx = (BOOL (WINAPI *)(HANDLE))GetProcAddress(hGdi, "RemoveFontMemResourceEx");
- pRemoveFontResourceEx = (BOOL (WINAPI *)(LPCTSTR,DWORD,PVOID))GetProcAddress(hGdi, "RemoveFontResourceExA");
- }
- if(HMODULE hGdi = GetModuleHandle(_T("kernel32.dll")))
- {
- pMoveFileEx = (BOOL (WINAPI *)(LPCTSTR, LPCTSTR, DWORD))GetProcAddress(hGdi, "MoveFileExA");
- }
- }
- CFontInstaller::~CFontInstaller()
- {
- UninstallFonts();
- }
- bool CFontInstaller::InstallFont(const CArray<BYTE>& data)
- {
- return InstallFont(data.GetData(), data.GetSize());
- }
- bool CFontInstaller::InstallFont(const void* pData, UINT len)
- {
- return InstallFontFile(pData, len) || InstallFontMemory(pData, len);
- }
- void CFontInstaller::UninstallFonts()
- {
- if(pRemoveFontMemResourceEx)
- {
- POSITION pos = m_fonts.GetHeadPosition();
- while(pos) pRemoveFontMemResourceEx(m_fonts.GetNext(pos));
- m_fonts.RemoveAll();
- }
- if(pRemoveFontResourceEx)
- {
- POSITION pos = m_files.GetHeadPosition();
- while(pos)
- {
- CString fn = m_files.GetNext(pos);
- pRemoveFontResourceEx(fn, FR_PRIVATE, 0);
- if(!DeleteFile(fn) && pMoveFileEx)
- pMoveFileEx(fn, NULL, MOVEFILE_DELAY_UNTIL_REBOOT);
- }
-
- m_files.RemoveAll();
- }
- }
- bool CFontInstaller::InstallFontMemory(const void* pData, UINT len)
- {
- if(!pAddFontMemResourceEx)
- return false;
- DWORD nFonts = 0;
- HANDLE hFont = pAddFontMemResourceEx((PVOID)pData, len, NULL, &nFonts);
- if(hFont && nFonts > 0) m_fonts.AddTail(hFont);
- return hFont && nFonts > 0;
- }
- bool CFontInstaller::InstallFontFile(const void* pData, UINT len)
- {
- if(!pAddFontResourceEx)
- return false;
- CFile f;
- TCHAR path[MAX_PATH], fn[MAX_PATH];
- if(!GetTempPath(MAX_PATH, path) || !GetTempFileName(path, _T("g_font"), 0, fn))
- return false;
- if(f.Open(fn, CFile::modeWrite))
- {
- f.Write(pData, len);
- f.Close();
- if(pAddFontResourceEx(fn, FR_PRIVATE, 0) > 0)
- {
- m_files.AddTail(fn);
- return true;
- }
- }
- DeleteFile(fn);
- return false;
- }