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#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 CAtlArray<BYTE>& data)
{
return InstallFont(data.GetData(), data.GetCount());
}
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;
}
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