From 77bd7aa3bbd40c8baba54de2a17f21fd92afced3 Mon Sep 17 00:00:00 2001
From: FunkyFr3sh <cc.red.alert.1@googlemail.com>
Date: Wed, 16 Aug 2023 14:21:26 +0200
Subject: [PATCH] add hooks to fix blurry fonts

---
 inc/hook.h         |  4 ++++
 inc/winapi_hooks.h |  3 +++
 src/config.c       |  1 +
 src/hook.c         |  5 +++++
 src/winapi_hooks.c | 48 ++++++++++++++++++++++++++++++++++++++++++++++
 5 files changed, 61 insertions(+)

diff --git a/inc/hook.h b/inc/hook.h
index 008ca2f..982064f 100644
--- a/inc/hook.h
+++ b/inc/hook.h
@@ -49,6 +49,8 @@ typedef BOOL(WINAPI* PEEKMESSAGEAPROC)(LPMSG, HWND, UINT, UINT, UINT);
 
 
 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* LOADLIBRARYWPROC)(LPCWSTR);
 typedef HMODULE(WINAPI* LOADLIBRARYEXAPROC)(LPCSTR, HANDLE, DWORD);
@@ -90,6 +92,8 @@ extern SETFOREGROUNDWINDOWPROC real_SetForegroundWindow;
 extern SETWINDOWSHOOKEXAPROC real_SetWindowsHookExA;
 extern PEEKMESSAGEAPROC real_PeekMessageA;
 extern GETDEVICECAPSPROC real_GetDeviceCaps;
+extern CREATEFONTINDIRECTAPROC real_CreateFontIndirectA;
+extern CREATEFONTAPROC real_CreateFontA;
 extern LOADLIBRARYAPROC real_LoadLibraryA;
 extern LOADLIBRARYWPROC real_LoadLibraryW;
 extern LOADLIBRARYEXAPROC real_LoadLibraryExA;
diff --git a/inc/winapi_hooks.h b/inc/winapi_hooks.h
index 0983b9b..b2962da 100644
--- a/inc/winapi_hooks.h
+++ b/inc/winapi_hooks.h
@@ -43,6 +43,9 @@ int WINAPI fake_SetDIBitsToDevice(
 int WINAPI fake_StretchDIBits(
     HDC, int, int, int, int, int, int, int, int, const VOID*, const BITMAPINFO*, UINT, DWORD);
 
+HFONT WINAPI fake_CreateFontIndirectA(CONST LOGFONTA*);
+HFONT WINAPI fake_CreateFontA(int, int, int, int, int, DWORD, DWORD, DWORD, DWORD, DWORD, DWORD, DWORD, DWORD, LPCTSTR);
+
 HMODULE WINAPI fake_LoadLibraryA(LPCSTR lpLibFileName);
 HMODULE WINAPI fake_LoadLibraryW(LPCWSTR lpLibFileName);
 HMODULE WINAPI fake_LoadLibraryExA(LPCSTR lpLibFileName, HANDLE hFile, DWORD dwFlags);
diff --git a/src/config.c b/src/config.c
index f683611..15a0ba7 100644
--- a/src/config.c
+++ b/src/config.c
@@ -367,6 +367,7 @@ static void cfg_create_ini()
             "rgb555=false\n"
             "no_dinput_hook=false\n"
             "refresh_rate=0\n"
+            "non_anti_aliased_fonts=true\n"
             "\n"
             "\n"
             "\n"
diff --git a/src/hook.c b/src/hook.c
index 3392066..2294e65 100644
--- a/src/hook.c
+++ b/src/hook.c
@@ -49,6 +49,8 @@ SETFOREGROUNDWINDOWPROC real_SetForegroundWindow = SetForegroundWindow;
 SETWINDOWSHOOKEXAPROC real_SetWindowsHookExA = SetWindowsHookExA;
 PEEKMESSAGEAPROC real_PeekMessageA = PeekMessageA;
 GETDEVICECAPSPROC real_GetDeviceCaps = GetDeviceCaps;
+CREATEFONTINDIRECTAPROC real_CreateFontIndirectA = CreateFontIndirectA;
+CREATEFONTAPROC real_CreateFontA = CreateFontA;
 LOADLIBRARYAPROC real_LoadLibraryA = LoadLibraryA;
 LOADLIBRARYWPROC real_LoadLibraryW = LoadLibraryW;
 LOADLIBRARYEXAPROC real_LoadLibraryExA = LoadLibraryExA;
@@ -124,6 +126,9 @@ HOOKLIST g_hook_hooklist[] =
             { "SetDIBitsToDevice", (PROC)fake_SetDIBitsToDevice, (PROC*)&real_SetDIBitsToDevice, SKIP_HOOK2 },
             { "StretchDIBits", (PROC)fake_StretchDIBits, (PROC*)&real_StretchDIBits, SKIP_HOOK2 },
             { "GetDeviceCaps", (PROC)fake_GetDeviceCaps, (PROC*)&real_GetDeviceCaps, 0 },
+            { "GetDeviceCaps", (PROC)fake_GetDeviceCaps, (PROC*)&real_GetDeviceCaps, 0 },
+            { "CreateFontA", (PROC)fake_CreateFontA, (PROC*)&real_CreateFontA, 0 },
+            { "CreateFontIndirectA", (PROC)fake_CreateFontIndirectA, (PROC*)&real_CreateFontIndirectA, 0 },
             { "", NULL, NULL, 0 }
         }
     },
diff --git a/src/winapi_hooks.c b/src/winapi_hooks.c
index f12c63b..d95ef75 100644
--- a/src/winapi_hooks.c
+++ b/src/winapi_hooks.c
@@ -905,6 +905,54 @@ int WINAPI fake_StretchDIBits(
             rop);
 }
 
+HFONT WINAPI fake_CreateFontIndirectA(CONST LOGFONTA* lplf)
+{
+    LOGFONTA lf;
+    memcpy(&lf, lplf, sizeof(lf));
+
+    if (cfg_get_bool("non_anti_aliased_fonts", TRUE))
+        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)
+{
+    if (cfg_get_bool("non_anti_aliased_fonts", TRUE))
+        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 hmod = real_LoadLibraryA(lpLibFileName);