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Implemented GrayStringA and GrayStringW (untested, probably won't work)

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svn path=/trunk/; revision=5631
This commit is contained in:
Andrew Greenwood 2003-08-18 00:14:50 +00:00
parent a234963ccf
commit f049704abd
2 changed files with 136 additions and 8 deletions
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2
reactos/include/base.h
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@ -413,7 +413,7 @@ typedef WINBOOL CALLBACK (*ENUMWINDOWSTATIONPROCA) (LPSTR, LPARAM);
typedef WINBOOL CALLBACK (*ENUMWINDOWSTATIONPROCW) (LPWSTR, LPARAM);
typedef VOID CALLBACK (*SENDASYNCPROC) (HWND, UINT, DWORD, LRESULT);
typedef VOID CALLBACK (*TIMERPROC) (HWND, UINT, UINT, DWORD);
typedef FARPROC GRAYSTRINGPROC;
typedef WINBOOL CALLBACK (*GRAYSTRINGPROC) (HDC, LPARAM, int);
typedef WINBOOL CALLBACK (*DRAWSTATEPROC) (HDC, LPARAM, WPARAM, int, int);
typedef WINBOOL CALLBACK (*PROPENUMPROCEXA) (HWND, LPCSTR, HANDLE, DWORD);
typedef WINBOOL CALLBACK (*PROPENUMPROCEXW) (HWND, LPCWSTR, HANDLE, DWORD);

142
reactos/lib/user32/windows/draw.c
View file

@ -16,7 +16,7 @@
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
/* $Id: draw.c,v 1.22 2003/08/17 20:29:57 silverblade Exp $
/* $Id: draw.c,v 1.23 2003/08/18 00:14:50 silverblade Exp $
*
* PROJECT: ReactOS user32.dll
* FILE: lib/user32/windows/input.c
@ -1367,8 +1367,138 @@ BOOL WINAPI DrawEdge( HDC hdc, LPRECT rc, UINT edge, UINT flags )
}
WINBOOL
STDCALL
INTERNAL_GrayString(
HDC hDC,
HBRUSH hBrush,
GRAYSTRINGPROC lpOutputFunc,
LPARAM lpData,
int nCount,
int X,
int Y,
int nWidth,
int nHeight,
BOOL unicode)
{
// AG: Mostly implemented, but probably won't work properly or return
// correct error codes. I doubt it grays strings either... Untested!
BOOL success = FALSE;
HDC MemDC = NULL;
HBITMAP MemBMP = NULL,
OldBMP = NULL;
HBRUSH OldBrush = NULL;
HFONT OldFont = NULL;
RECT r;
COLORREF ForeColor, BackColor;
ForeColor = SetTextColor(hDC, RGB(0, 0, 0));
BackColor = SetBkColor(hDC, RGB(255, 255, 255));
if (! hBrush)
{
// The documentation is a little vague on what exactly should happen
// here. Something about using the same brush for window text???
hBrush = (HBRUSH) GetCurrentObject(hDC, OBJ_BRUSH);
}
if ((nCount == -1) && (! lpOutputFunc))
return FALSE;
if (! nCount)
{
// TODO: calculate the length (easy enough)
if (unicode)
nCount = lstrlenW((WCHAR*)lpData);
else
nCount = strlen((CHAR*)lpData);
}
if (! nWidth || ! nHeight)
{
SIZE s;
// TODO: calculate the rect
if (unicode)
success = GetTextExtentPoint32W(hDC, (WCHAR*) lpData, nCount, &s);
else
success = GetTextExtentPoint32A(hDC, (CHAR*) lpData, nCount, &s);
if (! success) goto cleanup;
if (! nWidth) nWidth = s.cx;
if (! nHeight) nHeight = s.cy;
}
SetRect(&r, X, Y, X + nWidth, Y + nHeight);
MemDC = CreateCompatibleDC(hDC);
if (! MemDC) goto cleanup;
MemBMP = CreateBitmap(nWidth, nHeight, 1, 1, NULL);
if (! MemBMP) goto cleanup;
OldBMP = SelectObject(MemDC, MemBMP);
if (! OldBMP) goto cleanup;
OldFont = SelectObject(MemDC, GetCurrentObject(hDC, OBJ_FONT));
if (! OldFont) goto cleanup;
OldBrush = SelectObject(MemDC, hBrush);
if (! OldBrush) goto cleanup;
if (! BitBlt(MemDC, 0, 0, nWidth, nHeight, hDC, X, Y, SRCCOPY)) goto cleanup;
SetTextColor(MemDC, RGB(255, 255, 255));
SetBkColor(MemDC, RGB(0, 0, 0));
if (lpOutputFunc)
{
success = lpOutputFunc(MemDC, lpData, nCount); // Set brush etc first?
if ((nCount == -1) && (! success))
{
// Don't gray (documented behaviour)
success = (BOOL) BitBlt(hDC, X, Y, nWidth, nHeight, MemDC, 0, 0, SRCCOPY);
goto cleanup;
}
}
else
{
if (unicode)
success = TextOutW(MemDC, 0, 0, (WCHAR*) lpData, nCount);
else
success = TextOutA(MemDC, 0, 0, (CHAR*) lpData, nCount);
if (! success) goto cleanup;
PatBlt(MemDC, 0, 0, nWidth, nHeight, PATCOPY);
// This is how WINE does it: (but we should have our own graying brush already)
// hbsave = (HBRUSH)SelectObject(memdc, CACHE_GetPattern55AABrush());
// PatBlt(memdc, 0, 0, cx, cy, 0x000A0329);
// SelectObject(memdc, hbsave);
}
if (! BitBlt(hDC, X, Y, nWidth, nHeight, MemDC, 0, 0, SRCCOPY)) goto cleanup;
cleanup :
SetTextColor(hDC, ForeColor);
SetBkColor(hDC, BackColor);
if (MemDC)
{
if (OldFont) SelectObject(MemDC, OldFont);
if (OldBrush) SelectObject(MemDC, OldBrush);
if (OldBMP) SelectObject(MemDC, OldBMP);
if (MemBMP) DeleteObject(MemBMP);
DeleteDC(MemDC);
}
return success;
}
/*
* @unimplemented
* @implemented
*/
WINBOOL
STDCALL
@ -1383,13 +1513,12 @@ GrayStringA(
int nWidth,
int nHeight)
{
UNIMPLEMENTED;
return FALSE;
return INTERNAL_GrayString(hDC, hBrush, lpOutputFunc, lpData, nCount, X, Y, nWidth, nHeight, FALSE);
}
/*
* @unimplemented
* @implemented
*/
WINBOOL
STDCALL
@ -1404,8 +1533,7 @@ GrayStringW(
int nWidth,
int nHeight)
{
UNIMPLEMENTED;
return FALSE;
return INTERNAL_GrayString(hDC, hBrush, lpOutputFunc, lpData, nCount, X, Y, nWidth, nHeight, TRUE);
}