Intravision/reactos
1
0
Fork 0
mirror of https://github.com/reactos/reactos.git synced 2025-02-23 08:55:19 +00:00
Code Issues Projects Releases Packages Wiki Activity

[NtGDI]

Browse source 
- Implement internal functions for setting and retrieving DC origin. Related to CORE-13110.
- Code fix ups.

svn path=/trunk/; revision=74543
This commit is contained in:
James Tabor 2017-05-14 01:00:27 +00:00
parent d4534e81e1
commit 5e9d1bc628
3 changed files with 54 additions and 2 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

50
reactos/win32ss/gdi/ntgdi/coord.c
View file

@ -1335,6 +1335,56 @@ GreGetDCPoint(
return Ret;
}
BOOL
WINAPI
GreSetDCOrg(
_In_ HDC hdc,
_In_ LONG x,
_In_ LONG y,
_In_opt_ PRECTL Rect)
{
PDC dc;
dc = DC_LockDc(hdc);
if (!dc) return FALSE;
/* Set DC Origin */
dc->ptlDCOrig.x = x;
dc->ptlDCOrig.y = y;
/* Recalculate Fill Origin */
dc->ptlFillOrigin.x = dc->dclevel.ptlBrushOrigin.x + x;
dc->ptlFillOrigin.y = dc->dclevel.ptlBrushOrigin.y + y;
/* Set DC Window Rectangle */
if (Rect)
dc->erclWindow = *Rect;
DC_UnlockDc(dc);
return TRUE;
}
BOOL
WINAPI
GreGetDCOrgEx(
_In_ HDC hdc,
_Out_ PPOINTL Point,
_Out_ PRECTL Rect)
{
PDC dc;
dc = DC_LockDc(hdc);
if (!dc) return FALSE;
/* Retrieve DC Window Rectangle without a check */
*Rect = dc->erclWindow;
DC_UnlockDc(dc);
/* Use default call for DC Origin and parameter checking */
return GreGetDCPoint( hdc, GdiGetDCOrg, Point);
}
BOOL
WINAPI
GreGetWindowExtEx(

2
reactos/win32ss/gdi/ntgdi/coord.h
View file

@ -166,3 +166,5 @@ BOOL APIENTRY GreGetDCPoint(HDC,UINT,PPOINTL);
BOOL WINAPI GreGetWindowExtEx( _In_ HDC hdc, _Out_ LPSIZE lpSize);
BOOL WINAPI GreGetViewportExtEx( _In_ HDC hdc, _Out_ LPSIZE lpSize);
BOOL FASTCALL GreSetViewportOrgEx(HDC,int,int,LPPOINT);
BOOL WINAPI GreGetDCOrgEx(_In_ HDC, _Out_ PPOINTL, _Out_ PRECTL);
BOOL WINAPI GreSetDCOrg(_In_ HDC, _In_ LONG, _In_ LONG, _In_opt_ PRECTL);

4
reactos/win32ss/gdi/ntgdi/dcutil.c
View file

@ -396,8 +396,8 @@ IntSetDefaultRegion(PDC pdc)
pdc->erclWindow = rclWnd;
pdc->erclClip = rclClip;
/* Might be an InitDC or DCE... */
pdc->ptlFillOrigin.x = pdc->dcattr.VisRectRegion.Rect.right;
pdc->ptlFillOrigin.y = pdc->dcattr.VisRectRegion.Rect.bottom;
pdc->ptlFillOrigin.x = pdc->dcattr.ptlBrushOrigin.x;
pdc->ptlFillOrigin.y = pdc->dcattr.ptlBrushOrigin.y;
return TRUE;
}