76 lines
1.6 KiB
C++
76 lines
1.6 KiB
C++
|
/*++
|
||
|
|
|
||
|
|
Copyright (c) 2000 Microsoft Corporation
|
||
|
|
|
||
|
|
Module Name:
|
||
|
|
|
||
|
|
CorrectCreateIcon.cpp
|
||
|
|
|
||
|
|
Abstract:
|
||
|
|
|
||
|
|
Clears Alpha channel of ICON's XOR-bits to make them look pretty.
|
||
|
|
|
||
|
|
Notes:
|
||
|
|
|
||
|
|
This is a general purpose shim.
|
||
|
|
|
||
|
|
History:
|
||
|
|
|
||
|
|
1/23/2001 a-larrsh Created
|
||
|
|
|
||
|
|
--*/
|
||
|
|
|
||
|
|
#include "precomp.h"
|
||
|
|
|
||
|
|
IMPLEMENT_SHIM_BEGIN(CorrectCreateIcon)
|
||
|
|
#include "ShimHookMacro.h"
|
||
|
|
|
||
|
|
|
||
|
|
APIHOOK_ENUM_BEGIN
|
||
|
|
APIHOOK_ENUM_ENTRY(CreateIcon)
|
||
|
|
APIHOOK_ENUM_END
|
||
|
|
|
||
|
|
HICON APIHOOK(CreateIcon)(
|
||
|
|
HINSTANCE hInstance, // handle to application instance
|
||
|
|
int nWidth, // icon width
|
||
|
|
int nHeight, // icon height
|
||
|
|
BYTE cPlanes, // number of planes in XOR bitmask
|
||
|
|
BYTE cBitsPixel, // number of BPP in XOR bitmask
|
||
|
|
CONST BYTE *lpbANDbits, // AND bitmask
|
||
|
|
CONST BYTE *lpbXORbits // XOR bitmask
|
||
|
|
)
|
||
|
|
{
|
||
|
|
if (lpbXORbits)
|
||
|
|
{
|
||
|
|
if(cBitsPixel == 32)
|
||
|
|
{
|
||
|
|
DPFN( eDbgLevelInfo, "Zero Alpha - CreateIcon(hInstance%x, nWidth:%d, nHeight:%d, cPlanes:%d, cBitsPixel:%d, lpbANDbits:%x, lpbXORbits:%x)", hInstance, nWidth, nHeight, (int)cPlanes, (int)cBitsPixel, lpbANDbits, lpbXORbits);
|
||
|
|
|
||
|
|
int n = (nWidth*nHeight);
|
||
|
|
DWORD *pXORbits = (DWORD*)lpbXORbits;
|
||
|
|
|
||
|
|
while(n--)
|
||
|
|
{
|
||
|
|
// Clears the alpha channel of XOR-bits only.
|
||
|
|
*(pXORbits++) &= 0x00FFFFFF;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
return ORIGINAL_API(CreateIcon)(hInstance, nWidth, nHeight, cPlanes, cBitsPixel, lpbANDbits, lpbXORbits);
|
||
|
|
}
|
||
|
|
|
||
|
|
/*++
|
||
|
|
|
||
|
|
Register hooked functions
|
||
|
|
|
||
|
|
--*/
|
||
|
|
|
||
|
|
HOOK_BEGIN
|
||
|
|
APIHOOK_ENTRY(USER32.DLL, CreateIcon)
|
||
|
|
HOOK_END
|
||
|
|
|
||
|
|
IMPLEMENT_SHIM_END
|
||
|
|
|