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add hooks to fix blurry fonts

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FunkyFr3sh 2023-08-16 14:21:26 +02:00
parent 9b028e6376
commit b50f9fff7b
4 changed files with 61 additions and 0 deletions
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4
inc/hook.h
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@ -37,6 +37,8 @@ typedef BOOL (WINAPI* SHOWWINDOWPROC)(HWND, int);
typedef BOOL (WINAPI* SETFOREGROUNDWINDOWPROC)(HWND hWnd); typedef BOOL (WINAPI* SETFOREGROUNDWINDOWPROC)(HWND hWnd);
typedef HHOOK(WINAPI* SETWINDOWSHOOKEXAPROC)(int, HOOKPROC, HINSTANCE, DWORD); typedef HHOOK(WINAPI* SETWINDOWSHOOKEXAPROC)(int, HOOKPROC, HINSTANCE, DWORD);
typedef int (WINAPI* GETDEVICECAPSPROC)(HDC, int); typedef int (WINAPI* GETDEVICECAPSPROC)(HDC, int);
typedef HFONT(WINAPI* CREATEFONTINDIRECTAPROC)(CONST LOGFONT*);
typedef HFONT(WINAPI* CREATEFONTAPROC)(int, int, int, int, int, DWORD, DWORD, DWORD, DWORD, DWORD, DWORD, DWORD, DWORD, LPCTSTR);
typedef HMODULE(WINAPI* LOADLIBRARYAPROC)(LPCSTR); typedef HMODULE(WINAPI* LOADLIBRARYAPROC)(LPCSTR);
typedef HMODULE(WINAPI* LOADLIBRARYWPROC)(LPCWSTR); typedef HMODULE(WINAPI* LOADLIBRARYWPROC)(LPCWSTR);
typedef HMODULE(WINAPI* LOADLIBRARYEXAPROC)(LPCSTR, HANDLE, DWORD); typedef HMODULE(WINAPI* LOADLIBRARYEXAPROC)(LPCSTR, HANDLE, DWORD);
@ -69,6 +71,8 @@ extern SHOWWINDOWPROC real_ShowWindow;
extern SETFOREGROUNDWINDOWPROC real_SetForegroundWindow; extern SETFOREGROUNDWINDOWPROC real_SetForegroundWindow;
extern SETWINDOWSHOOKEXAPROC real_SetWindowsHookExA; extern SETWINDOWSHOOKEXAPROC real_SetWindowsHookExA;
extern GETDEVICECAPSPROC real_GetDeviceCaps; extern GETDEVICECAPSPROC real_GetDeviceCaps;
extern CREATEFONTINDIRECTAPROC real_CreateFontIndirectA;
extern CREATEFONTAPROC real_CreateFontA;
extern LOADLIBRARYAPROC real_LoadLibraryA; extern LOADLIBRARYAPROC real_LoadLibraryA;
extern LOADLIBRARYWPROC real_LoadLibraryW; extern LOADLIBRARYWPROC real_LoadLibraryW;
extern LOADLIBRARYEXAPROC real_LoadLibraryExA; extern LOADLIBRARYEXAPROC real_LoadLibraryExA;

6
inc/winapi_hooks.h
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@ -30,6 +30,12 @@ BOOL WINAPI fake_ShowWindow(HWND hWnd, int nCmdShow);
BOOL WINAPI fake_SetForegroundWindow(HWND hWnd); BOOL WINAPI fake_SetForegroundWindow(HWND hWnd);
HHOOK WINAPI fake_SetWindowsHookExA(int idHook, HOOKPROC lpfn, HINSTANCE hmod, DWORD dwThreadId); HHOOK WINAPI fake_SetWindowsHookExA(int idHook, HOOKPROC lpfn, HINSTANCE hmod, DWORD dwThreadId);
int WINAPI fake_GetDeviceCaps(HDC hdc, int index); int WINAPI fake_GetDeviceCaps(HDC hdc, int index);
HFONT WINAPI fake_CreateFontIndirectA(CONST LOGFONTA* lplf);
HFONT WINAPI fake_CreateFontA(int nHeight, int nWidth, int nEscapement, int nOrientation, int fnWeight,
DWORD fdwItalic, DWORD fdwUnderline, DWORD fdwStrikeOut, DWORD fdwCharSet,
DWORD fdwOutputPrecision, DWORD fdwClipPrecision, DWORD fdwQuality, DWORD fdwPitchAndFamily,
LPCTSTR lpszFace);
HMODULE WINAPI fake_LoadLibraryA(LPCSTR lpLibFileName); HMODULE WINAPI fake_LoadLibraryA(LPCSTR lpLibFileName);
HMODULE WINAPI fake_LoadLibraryW(LPCWSTR lpLibFileName); HMODULE WINAPI fake_LoadLibraryW(LPCWSTR lpLibFileName);
HMODULE WINAPI fake_LoadLibraryExA(LPCSTR lpLibFileName, HANDLE hFile, DWORD dwFlags); HMODULE WINAPI fake_LoadLibraryExA(LPCSTR lpLibFileName, HANDLE hFile, DWORD dwFlags);

27
src/hook.c
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@ -43,12 +43,15 @@ SHOWWINDOWPROC real_ShowWindow = ShowWindow;
SETFOREGROUNDWINDOWPROC real_SetForegroundWindow = SetForegroundWindow; SETFOREGROUNDWINDOWPROC real_SetForegroundWindow = SetForegroundWindow;
SETWINDOWSHOOKEXAPROC real_SetWindowsHookExA = SetWindowsHookExA; SETWINDOWSHOOKEXAPROC real_SetWindowsHookExA = SetWindowsHookExA;
GETDEVICECAPSPROC real_GetDeviceCaps = GetDeviceCaps; GETDEVICECAPSPROC real_GetDeviceCaps = GetDeviceCaps;
CREATEFONTINDIRECTAPROC real_CreateFontIndirectA = CreateFontIndirectA;
CREATEFONTAPROC real_CreateFontA = CreateFontA;
LOADLIBRARYAPROC real_LoadLibraryA = LoadLibraryA; LOADLIBRARYAPROC real_LoadLibraryA = LoadLibraryA;
LOADLIBRARYWPROC real_LoadLibraryW = LoadLibraryW; LOADLIBRARYWPROC real_LoadLibraryW = LoadLibraryW;
LOADLIBRARYEXAPROC real_LoadLibraryExA = LoadLibraryExA; LOADLIBRARYEXAPROC real_LoadLibraryExA = LoadLibraryExA;
LOADLIBRARYEXWPROC real_LoadLibraryExW = LoadLibraryExW; LOADLIBRARYEXWPROC real_LoadLibraryExW = LoadLibraryExW;
COCREATEINSTANCEPROC real_CoCreateInstance = CoCreateInstance; COCREATEINSTANCEPROC real_CoCreateInstance = CoCreateInstance;
static HOOKLIST g_hooks[] = static HOOKLIST g_hooks[] =
{ {
{ {
@ -497,6 +500,20 @@ void hook_init()
{ {
BOOL initial_hook = !g_hook_active; BOOL initial_hook = !g_hook_active;
if (initial_hook)
{
DetourTransactionBegin();
DetourUpdateThread(GetCurrentThread());
DetourAttach((PVOID*)&real_CreateFontIndirectA, (PVOID)fake_CreateFontIndirectA);
DetourTransactionCommit();
DetourTransactionBegin();
DetourUpdateThread(GetCurrentThread());
DetourAttach((PVOID*)&real_CreateFontA, (PVOID)fake_CreateFontA);
DetourTransactionCommit();
}
#ifdef _MSC_VER #ifdef _MSC_VER
if (initial_hook && g_hook_dinput) if (initial_hook && g_hook_dinput)
{ {
@ -577,6 +594,16 @@ void hook_exit()
{ {
g_hook_active = FALSE; g_hook_active = FALSE;
DetourTransactionBegin();
DetourUpdateThread(GetCurrentThread());
DetourDetach((PVOID*)&real_CreateFontIndirectA, (PVOID)fake_CreateFontIndirectA);
DetourTransactionCommit();
DetourTransactionBegin();
DetourUpdateThread(GetCurrentThread());
DetourDetach((PVOID*)&real_CreateFontA, (PVOID)fake_CreateFontA);
DetourTransactionCommit();
#ifdef _MSC_VER #ifdef _MSC_VER
if (g_hook_dinput) if (g_hook_dinput)
{ {

24
src/winapi_hooks.c
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@ -560,6 +560,30 @@ int WINAPI fake_GetDeviceCaps(HDC hdc, int index)
return real_GetDeviceCaps(hdc, index); return real_GetDeviceCaps(hdc, index);
} }
HFONT WINAPI fake_CreateFontIndirectA(CONST LOGFONTA* lplf)
{
LOGFONTA lf;
memcpy(&lf, lplf, sizeof(lf));
lf.lfQuality = NONANTIALIASED_QUALITY;
return real_CreateFontIndirectA(&lf);
}
HFONT WINAPI fake_CreateFontA(int nHeight, int nWidth, int nEscapement, int nOrientation, int fnWeight,
DWORD fdwItalic, DWORD fdwUnderline, DWORD fdwStrikeOut, DWORD fdwCharSet,
DWORD fdwOutputPrecision, DWORD fdwClipPrecision, DWORD fdwQuality, DWORD fdwPitchAndFamily,
LPCTSTR lpszFace)
{
fdwQuality = NONANTIALIASED_QUALITY;
return
real_CreateFontA(
nHeight, nWidth, nEscapement, nOrientation, fnWeight,
fdwItalic, fdwUnderline, fdwStrikeOut, fdwCharSet,
fdwOutputPrecision, fdwClipPrecision, fdwQuality, fdwPitchAndFamily,
lpszFace);
}
HMODULE WINAPI fake_LoadLibraryA(LPCSTR lpLibFileName) HMODULE WINAPI fake_LoadLibraryA(LPCSTR lpLibFileName)
{ {
HMODULE hmod = real_LoadLibraryA(lpLibFileName); HMODULE hmod = real_LoadLibraryA(lpLibFileName);