DWORD
APIENTRY
NtGdiSetBoundsRect(
IN HDC hdc,
IN LPRECT prc,
IN DWORD flags)
{
DWORD ret;
PDC pdc;
RECTL rcl;
/* Verify arguments */
if ((flags & DCB_ENABLE) && (flags & DCB_DISABLE)) return 0;
/* Lock the DC */
if (!(pdc = DC_LockDc(hdc))) return 0;
/* Get the return value */
ret = pdc->fs & DC_ACCUM_APP ? DCB_ENABLE : DCB_DISABLE;
ret |= RECTL_bIsEmptyRect(&pdc->erclBoundsApp) ? DCB_RESET : DCB_SET;
if (flags & DCB_RESET)
{
RECTL_vSetEmptyRect(&pdc->erclBoundsApp);
}
if (flags & DCB_ACCUMULATE && prc != NULL)
{
/* Capture the rect */
_SEH2_TRY
{
ProbeForRead(prc, sizeof(RECT), 1);
rcl = *prc;
}
_SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER)
{
DC_UnlockDc(pdc);
_SEH2_YIELD(return 0;)
}
_SEH2_END;
RECTL_vMakeWellOrdered(&rcl);
RECTL_bUnionRect(&pdc->erclBoundsApp, &pdc->erclBoundsApp, &rcl);
}
DWORD
APIENTRY
NtGdiGetBoundsRect(
IN HDC hdc,
OUT LPRECT prc,
IN DWORD flags)
{
DWORD ret;
PDC pdc;
/* Lock the DC */
if (!(pdc = DC_LockDc(hdc))) return 0;
/* Get the return value */
ret = pdc->fs & DC_ACCUM_APP ? DCB_ENABLE : DCB_DISABLE;
ret |= RECTL_bIsEmptyRect(&pdc->erclBoundsApp) ? DCB_RESET : DCB_SET;
/* Copy the rect to the caller */
_SEH2_TRY
{
ProbeForWrite(prc, sizeof(RECT), 1);
*prc = pdc->erclBoundsApp;
}
_SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER)
{
ret = 0;
}
_SEH2_END;
if (flags & DCB_RESET)
{
RECTL_vSetEmptyRect(&pdc->erclBoundsApp);
}
DC_UnlockDc(pdc);
return ret;
}
DWORD
APIENTRY
NtGdiSetBoundsRect(
IN HDC hdc,
IN LPRECT prc,
IN DWORD flags)
{
DWORD ret;
PDC pdc;
RECTL rcl;
/* Verify arguments */
if ((flags & DCB_ENABLE) && (flags & DCB_DISABLE)) return 0;
/* Lock the DC */
if (!(pdc = DC_LockDc(hdc))) return 0;
/* Get the return value */
ret = DCB_RESET; /* we don't have device-specific bounds */
ret = (pdc->fs & (DC_ACCUM_APP|DC_ACCUM_WMGR) ? DCB_ENABLE : DCB_DISABLE) |
(RECTL_bIsEmptyRect(&pdc->erclBoundsApp) ? ret & DCB_SET : DCB_SET );
ret |= (flags & DCB_WINDOWMGR);
if (flags & DCB_RESET)
{
if (!(flags & DCB_WINDOWMGR))
{
pdc->erclBoundsApp.left = pdc->erclBoundsApp.top = INT_MAX;
pdc->erclBoundsApp.right = pdc->erclBoundsApp.bottom = INT_MIN;
}
else
{
pdc->erclBounds.left = pdc->erclBounds.top = INT_MAX;
pdc->erclBounds.right = pdc->erclBounds.bottom = INT_MIN;
}
}
if (flags & DCB_ACCUMULATE && prc != NULL)
{
/* Capture the rect */
_SEH2_TRY
{
ProbeForRead(prc, sizeof(RECT), 1);
rcl = *prc;
}
_SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER)
{
DC_UnlockDc(pdc);
_SEH2_YIELD(return 0;)
}
_SEH2_END;
RECTL_vMakeWellOrdered(&rcl);
if (!(flags & DCB_WINDOWMGR))
{
IntLPtoDP( pdc, (POINT *)&rcl, 2 );
RECTL_bUnionRect(&pdc->erclBoundsApp, &pdc->erclBoundsApp, &rcl);
}
else
RECTL_bUnionRect(&pdc->erclBounds, &pdc->erclBounds, &rcl);
}
DWORD
APIENTRY
NtGdiGetBoundsRect(
IN HDC hdc,
OUT LPRECT prc,
IN DWORD flags)
{
DWORD ret;
PDC pdc;
RECT rc;
/* Lock the DC */
if (!(pdc = DC_LockDc(hdc))) return 0;
if (!(flags & DCB_WINDOWMGR))
{
rc = pdc->erclBoundsApp;
if (RECTL_bIsEmptyRect(&rc))
{
rc.left = rc.top = rc.right = rc.bottom = 0;
ret = DCB_RESET;
}
else
{
RECTL rcRgn;
if (pdc->fs & DC_FLAG_DIRTY_RAO) CLIPPING_UpdateGCRegion(pdc);
if(!REGION_GetRgnBox(pdc->prgnRao, &rcRgn))
{
REGION_GetRgnBox(pdc->prgnVis, &rcRgn);
}
rc.left = max( rc.left, 0 );
rc.top = max( rc.top, 0 );
rc.right = min( rc.right, rcRgn.right - rcRgn.left );
rc.bottom = min( rc.bottom, rcRgn.bottom - rcRgn.top );
DPRINT("Rao dc %p r %d b %d\n",pdc,rcRgn.right - rcRgn.left, rcRgn.bottom - rcRgn.top);
DPRINT("rc l %d t %d\n",rc.left,rc.top);
DPRINT(" r %d b %d\n",rc.right,rc.bottom);
ret = DCB_SET;
}
IntDPtoLP( pdc, &rc, 2 );
DPRINT("rc1 l %d t %d\n",rc.left,rc.top);
DPRINT(" r %d b %d\n",rc.right,rc.bottom);
}
else
{
rc = pdc->erclBounds;
ret = DCB_SET;
}
/* Copy the rect to the caller */
_SEH2_TRY
{
ProbeForWrite(prc, sizeof(RECT), 1);
*prc = rc;
}
_SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER)
{
ret = 0;
}
_SEH2_END;
if (flags & DCB_RESET)
{
if (!(flags & DCB_WINDOWMGR))
{
pdc->erclBoundsApp.left = pdc->erclBoundsApp.top = INT_MAX;
pdc->erclBoundsApp.right = pdc->erclBoundsApp.bottom = INT_MIN;
}
else
{
pdc->erclBounds.left = pdc->erclBounds.top = INT_MAX;
pdc->erclBounds.right = pdc->erclBounds.bottom = INT_MIN;
}
}
DC_UnlockDc(pdc);
return ret;
}
/*
* @implemented
*/
BOOL APIENTRY
EngCopyBits(
_In_ SURFOBJ *psoDest,
_In_ SURFOBJ *psoSource,
_In_opt_ CLIPOBJ *Clip,
_In_opt_ XLATEOBJ *ColorTranslation,
_In_ RECTL *DestRect,
_In_ POINTL *SourcePoint)
{
BOOL ret;
BYTE clippingType;
RECT_ENUM RectEnum;
BOOL EnumMore;
BLTINFO BltInfo;
SURFACE *psurfDest;
SURFACE *psurfSource;
RECTL rclDest = *DestRect;
POINTL ptlSrc = *SourcePoint;
ASSERT(psoDest != NULL && psoSource != NULL && DestRect != NULL && SourcePoint != NULL);
psurfSource = CONTAINING_RECORD(psoSource, SURFACE, SurfObj);
psurfDest = CONTAINING_RECORD(psoDest, SURFACE, SurfObj);
/* Clip dest rect against source surface size / source point */
if (psoSource->sizlBitmap.cx - ptlSrc.x < rclDest.right - rclDest.left)
rclDest.right = rclDest.left + psoSource->sizlBitmap.cx - ptlSrc.x;
if (psoSource->sizlBitmap.cy - ptlSrc.y < rclDest.bottom - rclDest.top)
rclDest.bottom = rclDest.top + psoSource->sizlBitmap.cy - ptlSrc.y;
/* Clip dest rect against target surface size */
if (rclDest.right > psoDest->sizlBitmap.cx)
rclDest.right = psoDest->sizlBitmap.cx;
if (rclDest.bottom > psoDest->sizlBitmap.cy)
rclDest.bottom = psoDest->sizlBitmap.cy;
if (RECTL_bIsEmptyRect(&rclDest)) return TRUE;
DestRect = &rclDest;
// FIXME: Don't punt to the driver's DrvCopyBits immediately. Instead,
// mark the copy block function to be DrvCopyBits instead of the
// GDI's copy bit function so as to remove clipping from the
// driver's responsibility
// If one of the surfaces isn't managed by the GDI
if ((psoDest->iType!=STYPE_BITMAP) || (psoSource->iType!=STYPE_BITMAP))
{
// Destination surface is device managed
if (psoDest->iType!=STYPE_BITMAP)
{
/* FIXME: Eng* functions shouldn't call Drv* functions. ? */
if (psurfDest->flags & HOOK_COPYBITS)
{
ret = GDIDEVFUNCS(psoDest).CopyBits(
psoDest, psoSource, Clip, ColorTranslation, DestRect, SourcePoint);
goto cleanup;
}
}
// Source surface is device managed
if (psoSource->iType!=STYPE_BITMAP)
{
/* FIXME: Eng* functions shouldn't call Drv* functions. ? */
if (psurfSource->flags & HOOK_COPYBITS)
{
ret = GDIDEVFUNCS(psoSource).CopyBits(
psoDest, psoSource, Clip, ColorTranslation, DestRect, SourcePoint);
goto cleanup;
}
}
// If CopyBits wasn't hooked, BitBlt must be
ret = IntEngBitBlt(psoDest, psoSource,
NULL, Clip, ColorTranslation, DestRect, SourcePoint,
NULL, NULL, NULL, ROP4_FROM_INDEX(R3_OPINDEX_SRCCOPY));
goto cleanup;
}
// Determine clipping type
if (!Clip)
{
clippingType = DC_TRIVIAL;
}
else
{
clippingType = Clip->iDComplexity;
}
BltInfo.DestSurface = psoDest;
BltInfo.SourceSurface = psoSource;
BltInfo.PatternSurface = NULL;
BltInfo.XlateSourceToDest = ColorTranslation;
BltInfo.Rop4 = ROP4_FROM_INDEX(R3_OPINDEX_SRCCOPY);
switch (clippingType)
{
case DC_TRIVIAL:
BltInfo.DestRect = *DestRect;
BltInfo.SourcePoint = *SourcePoint;
ret = DibFunctionsForBitmapFormat[psoDest->iBitmapFormat].DIB_BitBltSrcCopy(&BltInfo);
break;
case DC_RECT:
// Clip the blt to the clip rectangle
RECTL_bIntersectRect(&BltInfo.DestRect, DestRect, &Clip->rclBounds);
BltInfo.SourcePoint.x = SourcePoint->x + BltInfo.DestRect.left - DestRect->left;
BltInfo.SourcePoint.y = SourcePoint->y + BltInfo.DestRect.top - DestRect->top;
ret = DibFunctionsForBitmapFormat[psoDest->iBitmapFormat].DIB_BitBltSrcCopy(&BltInfo);
break;
case DC_COMPLEX:
CLIPOBJ_cEnumStart(Clip, FALSE, CT_RECTANGLES, CD_ANY, 0);
do
{
EnumMore = CLIPOBJ_bEnum(Clip,(ULONG) sizeof(RectEnum), (PVOID) &RectEnum);
if (RectEnum.c > 0)
{
RECTL* prclEnd = &RectEnum.arcl[RectEnum.c];
RECTL* prcl = &RectEnum.arcl[0];
do
{
RECTL_bIntersectRect(&BltInfo.DestRect, prcl, DestRect);
BltInfo.SourcePoint.x = SourcePoint->x + BltInfo.DestRect.left - DestRect->left;
BltInfo.SourcePoint.y = SourcePoint->y + BltInfo.DestRect.top - DestRect->top;
if (!DibFunctionsForBitmapFormat[psoDest->iBitmapFormat].DIB_BitBltSrcCopy(&BltInfo))
{
ret = FALSE;
goto cleanup;
}
prcl++;
} while (prcl < prclEnd);
}
} while (EnumMore);
ret = TRUE;
break;
default:
ASSERT(FALSE);
ret = FALSE;
break;
}
cleanup:
return ret;
}
void
IntDrawScrollBar(PWND Wnd, HDC DC, INT Bar)
{
//PSBWND pSBWnd;
//INT ThumbSize;
PTHREADINFO pti;
SCROLLBARINFO Info;
BOOL Vertical;
pti = PsGetCurrentThreadWin32Thread();
/*
* Get scroll bar info.
*/
switch (Bar)
{
case SB_HORZ:
Vertical = FALSE;
break;
case SB_VERT:
Vertical = TRUE;
break;
case SB_CTL:
Vertical = (Wnd->style & SBS_VERT) != 0;
break;
default:
return;
}
if (!co_IntGetScrollBarInfo(Wnd, IntScrollGetObjectId(Bar), &Info))
{
return;
}
if (RECTL_bIsEmptyRect(&Info.rcScrollBar))
{
return;
}
//ThumbSize = pSBWnd->pSBCalc->pxThumbBottom - pSBWnd->pSBCalc->pxThumbTop;
/*
* Draw the arrows.
*/
if (Info.dxyLineButton)
{
IntDrawScrollArrows(DC, &Info, Vertical);
}
/*
* Draw the interior.
*/
IntDrawScrollInterior(Wnd, DC, Bar, Vertical, &Info);
/*
* If scroll bar has focus, reposition the caret.
*/
if ( Wnd == pti->MessageQueue->spwndFocus && Bar == SB_CTL )
{
if (Vertical)
{
co_IntSetCaretPos(Info.rcScrollBar.top + 1, Info.dxyLineButton + 1);
}
else
{
co_IntSetCaretPos(Info.dxyLineButton + 1, Info.rcScrollBar.top + 1);
}
}
}