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Implemented SubtractRect(). Misc fixes.

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svn path=/trunk/; revision=3647
This commit is contained in:
Marty Dill 2002-10-20 23:57:03 +00:00
parent f56af542aa
commit 552baccb19
1 changed files with 35 additions and 5 deletions
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40
reactos/lib/user32/windows/rect.c
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@ -16,7 +16,7 @@
* along with this program; if not, write to the Free Software * along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/ */
/* $Id: rect.c,v 1.11 2002/09/17 23:46:23 dwelch Exp $ /* $Id: rect.c,v 1.12 2002/10/20 23:57:03 mdill Exp $
* *
* PROJECT: ReactOS user32.dll * PROJECT: ReactOS user32.dll
* FILE: lib/user32/windows/input.c * FILE: lib/user32/windows/input.c
@ -37,6 +37,9 @@
WINBOOL STDCALL WINBOOL STDCALL
CopyRect(LPRECT lprcDst, CONST RECT *lprcSrc) CopyRect(LPRECT lprcDst, CONST RECT *lprcSrc)
{ {
if(lprcDst == NULL || lprcSrc == NULL)
return(FALSE);
*lprcDst = *lprcSrc; *lprcDst = *lprcSrc;
return(TRUE); return(TRUE);
} }
@ -64,8 +67,8 @@ InflateRect(LPRECT rect, int dx, int dy)
{ {
rect->left -= dx; rect->left -= dx;
rect->top -= dy; rect->top -= dy;
rect->right -= dx; rect->right += dx;
rect->bottom -= dy; rect->bottom += dy;
return(TRUE); return(TRUE);
} }
@ -99,6 +102,9 @@ IsRectEmpty(CONST RECT *lprc)
WINBOOL STDCALL WINBOOL STDCALL
OffsetRect(LPRECT rect, int dx, int dy) OffsetRect(LPRECT rect, int dx, int dy)
{ {
if(rect == NULL)
return(FALSE);
rect->left += dx; rect->left += dx;
rect->top += dy; rect->top += dy;
rect->right += dx; rect->right += dx;
@ -133,8 +139,32 @@ SetRectEmpty(LPRECT lprc)
WINBOOL STDCALL WINBOOL STDCALL
SubtractRect(LPRECT lprcDst, CONST RECT *lprcSrc1, CONST RECT *lprcSrc2) SubtractRect(LPRECT lprcDst, CONST RECT *lprcSrc1, CONST RECT *lprcSrc2)
{ {
UNIMPLEMENTED; RECT tempRect;
return FALSE;
if(lprcDst == NULL || lprcSrc1 == NULL || lprcSrc2 == NULL)
return(FALSE);
CopyRect(lprcDst, lprcSrc1);
if(!IntersectRect(&tempRect, lprcSrc1, lprcSrc2))
return(FALSE);
if(lprcDst->top == tempRect.top && lprcDst->bottom == tempRect.bottom)
{
if(lprcDst->left == tempRect.left)
lprcDst->left = tempRect.right;
else if(lprcDst->right == tempRect.right)
lprcDst->right = tempRect.left;
}
else if(lprcDst->left == tempRect.left && lprcDst->right == tempRect.right)
{
if(lprcDst->top == tempRect.top)
lprcDst->top = tempRect.bottom;
else if(lprcDst->right == tempRect.right)
lprcDst->right = tempRect.left;
}
return(TRUE);
} }
WINBOOL STDCALL WINBOOL STDCALL