BOOL
FASTCALL
IntFillArc( PDC dc,
INT XLeft,
INT YLeft,
INT Width,
INT Height,
double StartArc, // FIXME: don't use floating point!
double EndArc,
ARCTYPE arctype)
{
PDC_ATTR pdcattr;
PBRUSH pbrush;
int Start = (int)ceil(StartArc);
int End = (int)ceil(EndArc);
BOOL Chord = (arctype == GdiTypeChord), ret;
pdcattr = dc->pdcattr;
pbrush = BRUSH_ShareLockBrush(pdcattr->hbrush);
if (!pbrush)
{
DPRINT1("FillArc Fail\n");
EngSetLastError(ERROR_INTERNAL_ERROR);
return FALSE;
}
// Sort out alignment here.
ret = app_fill_arc(dc, rect( XLeft, YLeft, Width, Height),
(dc->dclevel.flPath & DCPATH_CLOCKWISE) ? -End : -Start,
(dc->dclevel.flPath & DCPATH_CLOCKWISE) ? -Start : -End,
pbrush, Chord);
BRUSH_ShareUnlockBrush(pbrush);
return ret;
}
BOOL FASTCALL
IntGdiPolyPatBlt(
HDC hDC,
DWORD dwRop,
PPATRECT pRects,
INT cRects,
ULONG Reserved)
{
INT i;
PBRUSH pbrush;
PDC pdc;
EBRUSHOBJ eboFill;
pdc = DC_LockDc(hDC);
if (!pdc)
{
EngSetLastError(ERROR_INVALID_HANDLE);
return FALSE;
}
if (pdc->dctype == DC_TYPE_INFO)
{
DC_UnlockDc(pdc);
/* Yes, Windows really returns TRUE in this case */
return TRUE;
}
for (i = 0; i < cRects; i++)
{
pbrush = BRUSH_ShareLockBrush(pRects->hBrush);
/* Check if we could lock the brush */
if (pbrush != NULL)
{
/* Initialize a brush object */
EBRUSHOBJ_vInitFromDC(&eboFill, pbrush, pdc);
IntPatBlt(
pdc,
pRects->r.left,
pRects->r.top,
pRects->r.right,
pRects->r.bottom,
dwRop,
&eboFill);
/* Cleanup the brush object and unlock the brush */
EBRUSHOBJ_vCleanup(&eboFill);
BRUSH_ShareUnlockBrush(pbrush);
}
pRects++;
}
DC_UnlockDc(pdc);
return TRUE;
}
BOOL APIENTRY
NtGdiPatBlt(
HDC hDC,
INT XLeft,
INT YLeft,
INT Width,
INT Height,
DWORD ROP)
{
PBRUSH pbrush;
DC *dc;
PDC_ATTR pdcattr;
BOOL ret;
BOOL UsesSource = ROP_USES_SOURCE(ROP);
if (UsesSource)
{
/* In this case we call on GdiMaskBlt */
return NtGdiMaskBlt(hDC, XLeft, YLeft, Width, Height, 0,0,0,0,0,0,ROP,0);
}
dc = DC_LockDc(hDC);
if (dc == NULL)
{
EngSetLastError(ERROR_INVALID_HANDLE);
return FALSE;
}
if (dc->dctype == DC_TYPE_INFO)
{
DC_UnlockDc(dc);
DPRINT1("NtGdiPatBlt on info DC!\n");
/* Yes, Windows really returns TRUE in this case */
return TRUE;
}
pdcattr = dc->pdcattr;
if (pdcattr->ulDirty_ & (DIRTY_FILL | DC_BRUSH_DIRTY))
DC_vUpdateFillBrush(dc);
pbrush = BRUSH_ShareLockBrush(pdcattr->hbrush);
if (pbrush == NULL)
{
EngSetLastError(ERROR_INVALID_HANDLE);
DC_UnlockDc(dc);
return FALSE;
}
ret = IntPatBlt(dc, XLeft, YLeft, Width, Height, ROP, pbrush);
BRUSH_ShareUnlockBrush(pbrush);
DC_UnlockDc(dc);
return ret;
}
INIT_FUNCTION
NTSTATUS
NTAPI
InitDcImpl()
{
psurfDefaultBitmap = SURFACE_ShareLockSurface(StockObjects[DEFAULT_BITMAP]);
if (!psurfDefaultBitmap)
return STATUS_UNSUCCESSFUL;
pbrDefaultBrush = BRUSH_ShareLockBrush(StockObjects[BLACK_BRUSH]);
if (!pbrDefaultBrush)
return STATUS_UNSUCCESSFUL;
return STATUS_SUCCESS;
}
BOOL FASTCALL
IntGdiPolyPatBlt(
HDC hDC,
DWORD dwRop,
PPATRECT pRects,
INT cRects,
ULONG Reserved)
{
INT i;
PBRUSH pbrush;
PDC pdc;
pdc = DC_LockDc(hDC);
if (!pdc)
{
EngSetLastError(ERROR_INVALID_HANDLE);
return FALSE;
}
if (pdc->dctype == DC_TYPE_INFO)
{
DC_UnlockDc(pdc);
/* Yes, Windows really returns TRUE in this case */
return TRUE;
}
for (i = 0; i < cRects; i++)
{
pbrush = BRUSH_ShareLockBrush(pRects->hBrush);
if(pbrush != NULL)
{
IntPatBlt(
pdc,
pRects->r.left,
pRects->r.top,
pRects->r.right,
pRects->r.bottom,
dwRop,
pbrush);
BRUSH_ShareUnlockBrush(pbrush);
}
pRects++;
}
DC_UnlockDc(pdc);
return TRUE;
}
VOID
NTAPI
DC_vSetOwner(PDC pdc, ULONG ulOwner)
{
if (pdc->rosdc.hClipRgn)
{
IntGdiSetRegionOwner(pdc->rosdc.hClipRgn, ulOwner);
}
if (pdc->rosdc.hGCClipRgn)
{
IntGdiSetRegionOwner(pdc->rosdc.hGCClipRgn, ulOwner);
}
if (pdc->dclevel.hPath)
{
GreSetObjectOwner(pdc->dclevel.hPath, ulOwner);
}
/* Dereference current brush and pen */
BRUSH_ShareUnlockBrush(pdc->dclevel.pbrFill);
BRUSH_ShareUnlockBrush(pdc->dclevel.pbrLine);
/* Select the default fill and line brush */
pdc->dcattr.hbrush = StockObjects[WHITE_BRUSH];
pdc->dcattr.hpen = StockObjects[BLACK_PEN];
pdc->dclevel.pbrFill = BRUSH_ShareLockBrush(pdc->pdcattr->hbrush);
pdc->dclevel.pbrLine = PEN_ShareLockPen(pdc->pdcattr->hpen);
/* Mark them as dirty */
pdc->pdcattr->ulDirty_ |= DIRTY_FILL|DIRTY_LINE;
/* Allocate or free DC attribute */
if (ulOwner == GDI_OBJ_HMGR_PUBLIC || ulOwner == GDI_OBJ_HMGR_NONE)
{
if (pdc->pdcattr != &pdc->dcattr)
DC_vFreeDcAttr(pdc);
}
else if (ulOwner == GDI_OBJ_HMGR_POWNED)
{
if (pdc->pdcattr == &pdc->dcattr)
DC_bAllocDcAttr(pdc);
}
/* Set the DC's ownership */
GDIOBJ_vSetObjectOwner(&pdc->BaseObject, ulOwner);
}
VOID
FASTCALL
DC_vUpdateFillBrush(PDC pdc)
{
PDC_ATTR pdcattr = pdc->pdcattr;
PBRUSH pbrFill;
/* Check if the brush handle has changed */
if (pdcattr->hbrush != pdc->dclevel.pbrFill->BaseObject.hHmgr)
{
/* Try to lock the new brush */
pbrFill = BRUSH_ShareLockBrush(pdcattr->hbrush);
if (pbrFill)
{
/* Unlock old brush, set new brush */
BRUSH_ShareUnlockBrush(pdc->dclevel.pbrFill);
pdc->dclevel.pbrFill = pbrFill;
/* Mark eboFill as dirty */
pdcattr->ulDirty_ |= DIRTY_FILL;
}
else
{
/* Invalid brush handle, restore old one */
pdcattr->hbrush = pdc->dclevel.pbrFill->BaseObject.hHmgr;
}
}
/* Check if the EBRUSHOBJ needs update */
if (pdcattr->ulDirty_ & DIRTY_FILL)
{
/* Update eboFill */
EBRUSHOBJ_vUpdate(&pdc->eboFill, pdc->dclevel.pbrFill, pdc);
}
/* Check for DC brush */
if (pdcattr->hbrush == StockObjects[DC_BRUSH])
{
/* ROS HACK, should use surf xlate */
/* Update the eboFill's solid color */
EBRUSHOBJ_vSetSolidBrushColor(&pdc->eboFill, pdcattr->crPenClr);
}
/* Clear flags */
pdcattr->ulDirty_ &= ~(DIRTY_FILL | DC_BRUSH_DIRTY);
}
BOOL
FASTCALL
IntRoundRect(
PDC dc,
int Left,
int Top,
int Right,
int Bottom,
int xCurveDiameter,
int yCurveDiameter)
{
PDC_ATTR pdcattr;
PBRUSH pbrLine, pbrFill;
RECTL RectBounds;
LONG PenWidth, PenOrigWidth;
BOOL ret = TRUE; // Default to success
BRUSH brushTemp;
ASSERT ( dc ); // Caller's responsibility to set this up
if ( PATH_IsPathOpen(dc->dclevel) )
return PATH_RoundRect ( dc, Left, Top, Right, Bottom,
xCurveDiameter, yCurveDiameter );
if ((Left == Right) || (Top == Bottom)) return TRUE;
xCurveDiameter = max(abs( xCurveDiameter ), 1);
yCurveDiameter = max(abs( yCurveDiameter ), 1);
if (Right < Left)
{
INT tmp = Right; Right = Left; Left = tmp;
}
if (Bottom < Top)
{
INT tmp = Bottom; Bottom = Top; Top = tmp;
}
pdcattr = dc->pdcattr;
if (pdcattr->ulDirty_ & (DIRTY_FILL | DC_BRUSH_DIRTY))
DC_vUpdateFillBrush(dc);
if (pdcattr->ulDirty_ & (DIRTY_LINE | DC_PEN_DIRTY))
DC_vUpdateLineBrush(dc);
pbrLine = PEN_ShareLockPen(pdcattr->hpen);
if (!pbrLine)
{
/* Nothing to do, as we don't have a bitmap */
EngSetLastError(ERROR_INTERNAL_ERROR);
return FALSE;
}
PenOrigWidth = PenWidth = pbrLine->ptPenWidth.x;
if (pbrLine->ulPenStyle == PS_NULL) PenWidth = 0;
if (pbrLine->ulPenStyle == PS_INSIDEFRAME)
{
if (2*PenWidth > (Right - Left)) PenWidth = (Right -Left + 1)/2;
if (2*PenWidth > (Bottom - Top)) PenWidth = (Bottom -Top + 1)/2;
Left += PenWidth / 2;
Right -= (PenWidth - 1) / 2;
Top += PenWidth / 2;
Bottom -= (PenWidth - 1) / 2;
}
if (!PenWidth) PenWidth = 1;
pbrLine->ptPenWidth.x = PenWidth;
RectBounds.left = Left;
RectBounds.top = Top;
RectBounds.right = Right;
RectBounds.bottom = Bottom;
IntLPtoDP(dc, (LPPOINT)&RectBounds, 2);
RectBounds.left += dc->ptlDCOrig.x;
RectBounds.top += dc->ptlDCOrig.y;
RectBounds.right += dc->ptlDCOrig.x;
RectBounds.bottom += dc->ptlDCOrig.y;
pbrFill = BRUSH_ShareLockBrush(pdcattr->hbrush);
if (!pbrFill)
{
DPRINT1("FillRound Fail\n");
EngSetLastError(ERROR_INTERNAL_ERROR);
ret = FALSE;
}
else
{
DC_vPrepareDCsForBlit(dc, RectBounds, NULL, RectBounds);
RtlCopyMemory(&brushTemp, pbrFill, sizeof(brushTemp));
brushTemp.ptOrigin.x += RectBounds.left - Left;
brushTemp.ptOrigin.y += RectBounds.top - Top;
ret = IntFillRoundRect( dc,
RectBounds.left,
RectBounds.top,
RectBounds.right,
RectBounds.bottom,
xCurveDiameter,
yCurveDiameter,
&brushTemp);
BRUSH_ShareUnlockBrush(pbrFill);
if (ret)
{
ret = IntDrawRoundRect( dc,
RectBounds.left,
RectBounds.top,
RectBounds.right,
RectBounds.bottom,
xCurveDiameter,
yCurveDiameter,
pbrLine);
}
DC_vFinishBlit(dc, NULL);
}
pbrLine->ptPenWidth.x = PenOrigWidth;
PEN_ShareUnlockPen(pbrLine);
return ret;
}
BOOL APIENTRY
NtGdiEllipse(
HDC hDC,
int Left,
int Top,
int Right,
int Bottom)
{
PDC dc;
PDC_ATTR pdcattr;
RECTL RectBounds;
PBRUSH pbrush;
BOOL ret = TRUE;
LONG PenWidth, PenOrigWidth;
LONG RadiusX, RadiusY, CenterX, CenterY;
PBRUSH pFillBrushObj;
BRUSH tmpFillBrushObj;
if ((Left == Right) || (Top == Bottom)) return TRUE;
dc = DC_LockDc(hDC);
if (dc == NULL)
{
EngSetLastError(ERROR_INVALID_HANDLE);
return FALSE;
}
if (dc->dctype == DC_TYPE_INFO)
{
DC_UnlockDc(dc);
/* Yes, Windows really returns TRUE in this case */
return TRUE;
}
if (PATH_IsPathOpen(dc->dclevel))
{
ret = PATH_Ellipse(dc, Left, Top, Right, Bottom);
DC_UnlockDc(dc);
return ret;
}
if (Right < Left)
{
INT tmp = Right; Right = Left; Left = tmp;
}
if (Bottom < Top)
{
INT tmp = Bottom; Bottom = Top; Top = tmp;
}
pdcattr = dc->pdcattr;
if (pdcattr->ulDirty_ & (DIRTY_FILL | DC_BRUSH_DIRTY))
DC_vUpdateFillBrush(dc);
if (pdcattr->ulDirty_ & (DIRTY_LINE | DC_PEN_DIRTY))
DC_vUpdateLineBrush(dc);
pbrush = PEN_ShareLockPen(pdcattr->hpen);
if (!pbrush)
{
DPRINT1("Ellipse Fail 1\n");
DC_UnlockDc(dc);
EngSetLastError(ERROR_INTERNAL_ERROR);
return FALSE;
}
PenOrigWidth = PenWidth = pbrush->ptPenWidth.x;
if (pbrush->ulPenStyle == PS_NULL) PenWidth = 0;
if (pbrush->ulPenStyle == PS_INSIDEFRAME)
{
if (2*PenWidth > (Right - Left)) PenWidth = (Right -Left + 1)/2;
if (2*PenWidth > (Bottom - Top)) PenWidth = (Bottom -Top + 1)/2;
Left += PenWidth / 2;
Right -= (PenWidth - 1) / 2;
Top += PenWidth / 2;
Bottom -= (PenWidth - 1) / 2;
}
if (!PenWidth) PenWidth = 1;
pbrush->ptPenWidth.x = PenWidth;
RectBounds.left = Left;
RectBounds.right = Right;
RectBounds.top = Top;
RectBounds.bottom = Bottom;
IntLPtoDP(dc, (LPPOINT)&RectBounds, 2);
RectBounds.left += dc->ptlDCOrig.x;
RectBounds.right += dc->ptlDCOrig.x;
RectBounds.top += dc->ptlDCOrig.y;
RectBounds.bottom += dc->ptlDCOrig.y;
// Setup for dynamic width and height.
RadiusX = max((RectBounds.right - RectBounds.left) / 2, 2); // Needs room
RadiusY = max((RectBounds.bottom - RectBounds.top) / 2, 2);
CenterX = (RectBounds.right + RectBounds.left) / 2;
CenterY = (RectBounds.bottom + RectBounds.top) / 2;
DPRINT("Ellipse 1: Left: %d, Top: %d, Right: %d, Bottom: %d\n",
RectBounds.left,RectBounds.top,RectBounds.right,RectBounds.bottom);
DPRINT("Ellipse 2: XLeft: %d, YLeft: %d, Width: %d, Height: %d\n",
CenterX - RadiusX, CenterY + RadiusY, RadiusX*2, RadiusY*2);
pFillBrushObj = BRUSH_ShareLockBrush(pdcattr->hbrush);
if (NULL == pFillBrushObj)
{
DPRINT1("FillEllipse Fail\n");
EngSetLastError(ERROR_INTERNAL_ERROR);
ret = FALSE;
}
else
{
RtlCopyMemory(&tmpFillBrushObj, pFillBrushObj, sizeof(tmpFillBrushObj));
//tmpFillBrushObj.ptOrigin.x += RectBounds.left - Left;
//tmpFillBrushObj.ptOrigin.y += RectBounds.top - Top;
tmpFillBrushObj.ptOrigin.x += dc->ptlDCOrig.x;
tmpFillBrushObj.ptOrigin.y += dc->ptlDCOrig.y;
DC_vPrepareDCsForBlit(dc, RectBounds, NULL, RectBounds);
ret = IntFillEllipse( dc,
CenterX - RadiusX,
CenterY - RadiusY,
RadiusX*2, // Width
RadiusY*2, // Height
&tmpFillBrushObj);
BRUSH_ShareUnlockBrush(pFillBrushObj);
if (ret)
{
ret = IntDrawEllipse( dc,
CenterX - RadiusX,
CenterY - RadiusY,
RadiusX*2, // Width
RadiusY*2, // Height
pbrush);
}
DC_vFinishBlit(dc, NULL);
}
pbrush->ptPenWidth.x = PenOrigWidth;
PEN_ShareUnlockPen(pbrush);
DC_UnlockDc(dc);
DPRINT("Ellipse Exit.\n");
return ret;
}
VOID
NTAPI
DC_vInitDc(
PDC pdc,
DCTYPE dctype,
PPDEVOBJ ppdev)
{
/* Setup some basic fields */
pdc->dctype = dctype;
pdc->ppdev = ppdev;
pdc->dhpdev = ppdev->dhpdev;
pdc->hsem = ppdev->hsemDevLock;
pdc->flGraphicsCaps = ppdev->devinfo.flGraphicsCaps;
pdc->flGraphicsCaps2 = ppdev->devinfo.flGraphicsCaps2;
pdc->fs = DC_DIRTY_RAO;
/* Setup dc attribute */
pdc->pdcattr = &pdc->dcattr;
pdc->dcattr.pvLDC = NULL;
pdc->dcattr.ulDirty_ = DIRTY_DEFAULT;
if (ppdev == gppdevPrimary)
pdc->dcattr.ulDirty_ |= DC_PRIMARY_DISPLAY;
/* Setup the DC size */
if (dctype == DCTYPE_MEMORY)
{
/* Memory DCs have a 1 x 1 bitmap by default */
pdc->dclevel.sizl.cx = 1;
pdc->dclevel.sizl.cy = 1;
}
else
{
/* Other DC's are as big as the related PDEV */
pdc->dclevel.sizl.cx = ppdev->gdiinfo.ulHorzRes;
pdc->dclevel.sizl.cy = ppdev->gdiinfo.ulVertRes;
}
/* Setup Window rect based on DC size */
pdc->erclWindow.left = 0;
pdc->erclWindow.top = 0;
pdc->erclWindow.right = pdc->dclevel.sizl.cx;
pdc->erclWindow.bottom = pdc->dclevel.sizl.cy;
if (dctype == DCTYPE_DIRECT)
{
/* Direct DCs get the surface from the PDEV */
pdc->dclevel.pSurface = PDEVOBJ_pSurface(ppdev);
pdc->erclBounds.left = 0x7fffffff;
pdc->erclBounds.top = 0x7fffffff;
pdc->erclBounds.right = 0x80000000;
pdc->erclBounds.bottom = 0x80000000;
pdc->erclBoundsApp.left = 0xffffffff;
pdc->erclBoundsApp.top = 0xfffffffc;
pdc->erclBoundsApp.right = 0x00007ffc; // FIXME
pdc->erclBoundsApp.bottom = 0x00000333; // FIXME
pdc->erclClip = pdc->erclBounds;
pdc->co = gxcoTrivial;
pdc->fs |= DC_SYNCHRONIZEACCESS | DC_ACCUM_APP | DC_PERMANANT | DC_DISPLAY;
}
else
{
/* Non-direct DCs don't have a surface by default */
pdc->dclevel.pSurface = NULL;
pdc->erclBounds.left = 0;
pdc->erclBounds.top = 0;
pdc->erclBounds.right = 0;
pdc->erclBounds.bottom = 0;
pdc->erclBoundsApp = pdc->erclBounds;
pdc->erclClip = pdc->erclWindow;
pdc->co = gxcoTrivial;
}
//pdc->dcattr.VisRectRegion:
/* Setup coordinate transformation data */
pdc->dclevel.mxWorldToDevice = gmxWorldToDeviceDefault;
pdc->dclevel.mxDeviceToWorld = gmxDeviceToWorldDefault;
pdc->dclevel.mxWorldToPage = gmxWorldToPageDefault;
pdc->dclevel.efM11PtoD = gef16;
pdc->dclevel.efM22PtoD = gef16;
pdc->dclevel.efDxPtoD = gef0;
pdc->dclevel.efDyPtoD = gef0;
pdc->dclevel.efM11_TWIPS = gef0;
pdc->dclevel.efM22_TWIPS = gef0;
pdc->dclevel.efPr11 = gef0;
pdc->dclevel.efPr22 = gef0;
pdc->dcattr.mxWorldToDevice = pdc->dclevel.mxWorldToDevice;
pdc->dcattr.mxDeviceToWorld = pdc->dclevel.mxDeviceToWorld;
pdc->dcattr.mxWorldToPage = pdc->dclevel.mxWorldToPage;
pdc->dcattr.efM11PtoD = pdc->dclevel.efM11PtoD;
pdc->dcattr.efM22PtoD = pdc->dclevel.efM22PtoD;
pdc->dcattr.efDxPtoD = pdc->dclevel.efDxPtoD;
pdc->dcattr.efDyPtoD = pdc->dclevel.efDyPtoD;
pdc->dcattr.iMapMode = MM_TEXT;
pdc->dcattr.dwLayout = 0;
pdc->dcattr.flXform = PAGE_TO_DEVICE_SCALE_IDENTITY |
PAGE_TO_DEVICE_IDENTITY |
WORLD_TO_PAGE_IDENTITY;
/* Setup more coordinates */
pdc->ptlDCOrig.x = 0;
pdc->ptlDCOrig.y = 0;
pdc->dcattr.lWindowOrgx = 0;
pdc->dcattr.ptlWindowOrg.x = 0;
pdc->dcattr.ptlWindowOrg.y = 0;
pdc->dcattr.szlWindowExt.cx = 1;
pdc->dcattr.szlWindowExt.cy = 1;
pdc->dcattr.ptlViewportOrg.x = 0;
pdc->dcattr.ptlViewportOrg.y = 0;
pdc->dcattr.szlViewportExt.cx = 1;
pdc->dcattr.szlViewportExt.cy = 1;
pdc->dcattr.szlVirtualDevicePixel.cx = ppdev->gdiinfo.ulHorzRes;
pdc->dcattr.szlVirtualDevicePixel.cy = ppdev->gdiinfo.ulVertRes;
pdc->dcattr.szlVirtualDeviceMm.cx = ppdev->gdiinfo.ulHorzSize;
pdc->dcattr.szlVirtualDeviceMm.cy = ppdev->gdiinfo.ulVertSize;
pdc->dcattr.szlVirtualDeviceSize.cx = 0;
pdc->dcattr.szlVirtualDeviceSize.cy = 0;
/* Setup regions */
pdc->prgnAPI = NULL;
pdc->prgnRao = NULL;
pdc->dclevel.prgnClip = NULL;
pdc->dclevel.prgnMeta = NULL;
/* Allocate a Vis region */
pdc->prgnVis = IntSysCreateRectpRgn(0, 0, pdc->dclevel.sizl.cx, pdc->dclevel.sizl.cy);
ASSERT(pdc->prgnVis);
/* Initialize Clip object */
IntEngInitClipObj(&pdc->co);
/* Setup palette */
pdc->dclevel.hpal = StockObjects[DEFAULT_PALETTE];
pdc->dclevel.ppal = PALETTE_ShareLockPalette(pdc->dclevel.hpal);
/* Setup path */
pdc->dclevel.hPath = NULL;
pdc->dclevel.flPath = 0;
// pdc->dclevel.lapath:
/* Setup colors */
pdc->dcattr.crBackgroundClr = RGB(0xff, 0xff, 0xff);
pdc->dcattr.ulBackgroundClr = RGB(0xff, 0xff, 0xff);
pdc->dcattr.crForegroundClr = RGB(0, 0, 0);
pdc->dcattr.ulForegroundClr = RGB(0, 0, 0);
pdc->dcattr.crBrushClr = RGB(0xff, 0xff, 0xff);
pdc->dcattr.ulBrushClr = RGB(0xff, 0xff, 0xff);
pdc->dcattr.crPenClr = RGB(0, 0, 0);
pdc->dcattr.ulPenClr = RGB(0, 0, 0);
/* Select the default fill and line brush */
pdc->dcattr.hbrush = StockObjects[WHITE_BRUSH];
pdc->dcattr.hpen = StockObjects[BLACK_PEN];
pdc->dclevel.pbrFill = BRUSH_ShareLockBrush(pdc->pdcattr->hbrush);
pdc->dclevel.pbrLine = PEN_ShareLockPen(pdc->pdcattr->hpen);
pdc->dclevel.ptlBrushOrigin.x = 0;
pdc->dclevel.ptlBrushOrigin.y = 0;
pdc->dcattr.ptlBrushOrigin = pdc->dclevel.ptlBrushOrigin;
/* Initialize EBRUSHOBJs */
EBRUSHOBJ_vInitFromDC(&pdc->eboFill, pdc->dclevel.pbrFill, pdc);
EBRUSHOBJ_vInitFromDC(&pdc->eboLine, pdc->dclevel.pbrLine, pdc);
EBRUSHOBJ_vInitFromDC(&pdc->eboText, pbrDefaultBrush, pdc);
EBRUSHOBJ_vInitFromDC(&pdc->eboBackground, pbrDefaultBrush, pdc);
/* Setup fill data */
pdc->dcattr.jROP2 = R2_COPYPEN;
pdc->dcattr.jBkMode = 2;
pdc->dcattr.lBkMode = 2;
pdc->dcattr.jFillMode = ALTERNATE;
pdc->dcattr.lFillMode = 1;
pdc->dcattr.jStretchBltMode = 1;
pdc->dcattr.lStretchBltMode = 1;
pdc->ptlFillOrigin.x = 0;
pdc->ptlFillOrigin.y = 0;
/* Setup drawing position */
pdc->dcattr.ptlCurrent.x = 0;
pdc->dcattr.ptlCurrent.y = 0;
pdc->dcattr.ptfxCurrent.x = 0;
pdc->dcattr.ptfxCurrent.y = 0;
/* Setup ICM data */
pdc->dclevel.lIcmMode = 0;
pdc->dcattr.lIcmMode = 0;
pdc->dcattr.hcmXform = NULL;
pdc->dcattr.flIcmFlags = 0;
pdc->dcattr.IcmBrushColor = CLR_INVALID;
pdc->dcattr.IcmPenColor = CLR_INVALID;
pdc->dcattr.pvLIcm = NULL;
pdc->dcattr.hColorSpace = NULL; // FIXME: 0189001f
pdc->dclevel.pColorSpace = NULL; // FIXME
pdc->pClrxFormLnk = NULL;
// pdc->dclevel.ca =
/* Setup font data */
pdc->hlfntCur = NULL; // FIXME: 2f0a0cf8
pdc->pPFFList = NULL;
pdc->flSimulationFlags = 0;
pdc->lEscapement = 0;
pdc->prfnt = NULL;
pdc->dcattr.flFontMapper = 0;
pdc->dcattr.flTextAlign = 0;
pdc->dcattr.lTextAlign = 0;
pdc->dcattr.lTextExtra = 0;
pdc->dcattr.lRelAbs = 1;
pdc->dcattr.lBreakExtra = 0;
pdc->dcattr.cBreak = 0;
pdc->dcattr.hlfntNew = StockObjects[SYSTEM_FONT];
pdc->dclevel.plfnt = LFONT_ShareLockFont(pdc->dcattr.hlfntNew);
/* Other stuff */
pdc->hdcNext = NULL;
pdc->hdcPrev = NULL;
pdc->ipfdDevMax = 0;
pdc->ulCopyCount = -1;
pdc->ptlDoBanding.x = 0;
pdc->ptlDoBanding.y = 0;
pdc->dclevel.lSaveDepth = 1;
pdc->dclevel.hdcSave = NULL;
pdc->dcattr.iGraphicsMode = GM_COMPATIBLE;
pdc->dcattr.iCS_CP = 0;
pdc->pSurfInfo = NULL;
if (defaultDCstate == NULL)
{
defaultDCstate = ExAllocatePoolWithTag(PagedPool, sizeof(DC), TAG_DC);
ASSERT(defaultDCstate);
RtlZeroMemory(defaultDCstate, sizeof(DC));
defaultDCstate->pdcattr = &defaultDCstate->dcattr;
DC_vCopyState(pdc, defaultDCstate, TRUE);
}
}
/* Mostly inspired from wine code.
* We use low level functions because:
* - at this point, the icon bitmap could have a different bit depth than the DC,
* making it thus impossible to use NtCreateCompatibleDC and selecting the bitmap.
* This happens after a mode setting change.
* - it avoids massive GDI objects locking when only the destination surface needs it.
* - It makes (small) performance gains.
*/
BOOL
UserDrawIconEx(
HDC hDc,
INT xLeft,
INT yTop,
PCURICON_OBJECT pIcon,
INT cxWidth,
INT cyHeight,
UINT istepIfAniCur,
HBRUSH hbrFlickerFreeDraw,
UINT diFlags)
{
PSURFACE psurfDest, psurfMask, psurfColor; //, psurfOffScreen = NULL;
PDC pdc = NULL;
BOOL Ret = FALSE;
HBITMAP hbmMask, hbmColor, hbmAlpha;
BOOL bOffScreen;
RECTL rcDest, rcSrc;
CLIPOBJ* pdcClipObj = NULL;
EXLATEOBJ exlo;
/* Stupid case */
if((diFlags & DI_NORMAL) == 0)
{
ERR("DrawIconEx called without mask or color bitmap to draw.\n");
return FALSE;
}
if (pIcon->CURSORF_flags & CURSORF_ACON)
{
ACON* pAcon = (ACON*)pIcon;
if(istepIfAniCur >= pAcon->cicur)
{
ERR("NtUserDrawIconEx: istepIfAniCur too big!\n");
return FALSE;
}
pIcon = pAcon->aspcur[pAcon->aicur[istepIfAniCur]];
}
hbmMask = pIcon->hbmMask;
hbmColor = pIcon->hbmColor;
hbmAlpha = pIcon->hbmAlpha;
/*
* Get our objects.
* Shared locks are enough, we are only reading those bitmaps
*/
psurfMask = SURFACE_ShareLockSurface(hbmMask);
if(psurfMask == NULL)
{
ERR("Unable to lock the mask surface.\n");
return FALSE;
}
/* Color bitmap is not mandatory */
if(hbmColor == NULL)
{
/* But then the mask bitmap must have the information in it's bottom half */
ASSERT(psurfMask->SurfObj.sizlBitmap.cy == 2*pIcon->cy);
psurfColor = NULL;
}
else if ((psurfColor = SURFACE_ShareLockSurface(hbmColor)) == NULL)
{
ERR("Unable to lock the color bitmap.\n");
SURFACE_ShareUnlockSurface(psurfMask);
return FALSE;
}
pdc = DC_LockDc(hDc);
if(!pdc)
{
ERR("Could not lock the destination DC.\n");
SURFACE_ShareUnlockSurface(psurfMask);
if(psurfColor) SURFACE_ShareUnlockSurface(psurfColor);
return FALSE;
}
/* Calculate destination rectangle */
RECTL_vSetRect(&rcDest, xLeft, yTop, xLeft + cxWidth, yTop + cyHeight);
IntLPtoDP(pdc, (LPPOINT)&rcDest, 2);
RECTL_vOffsetRect(&rcDest, pdc->ptlDCOrig.x, pdc->ptlDCOrig.y);
/* Prepare the underlying surface */
DC_vPrepareDCsForBlit(pdc, rcDest, NULL, rcDest);
/* We now have our destination surface and rectangle */
psurfDest = pdc->dclevel.pSurface;
if(psurfDest == NULL)
{
/* Empty DC */
DC_vFinishBlit(pdc, NULL);
DC_UnlockDc(pdc);
SURFACE_ShareUnlockSurface(psurfMask);
if(psurfColor) SURFACE_ShareUnlockSurface(psurfColor);
return FALSE;
}
/* Set source rect */
RECTL_vSetRect(&rcSrc, 0, 0, pIcon->cx, pIcon->cy);
/* Fix width parameter, if needed */
if (!cxWidth)
{
if(diFlags & DI_DEFAULTSIZE)
cxWidth = is_icon(pIcon) ?
UserGetSystemMetrics(SM_CXICON) : UserGetSystemMetrics(SM_CXCURSOR);
else
cxWidth = pIcon->cx;
}
/* Fix height parameter, if needed */
if (!cyHeight)
{
if(diFlags & DI_DEFAULTSIZE)
cyHeight = is_icon(pIcon) ?
UserGetSystemMetrics(SM_CYICON) : UserGetSystemMetrics(SM_CYCURSOR);
else
cyHeight = pIcon->cy;
}
/* Should we render off-screen? */
bOffScreen = hbrFlickerFreeDraw &&
(GDI_HANDLE_GET_TYPE(hbrFlickerFreeDraw) == GDI_OBJECT_TYPE_BRUSH);
if (bOffScreen)
{
/* Yes: Allocate and paint the offscreen surface */
EBRUSHOBJ eboFill;
PBRUSH pbrush = BRUSH_ShareLockBrush(hbrFlickerFreeDraw);
TRACE("Performing off-screen rendering.\n");
if(!pbrush)
{
ERR("Failed to get brush object.\n");
goto Cleanup;
}
#if 0 //We lock the hdc surface during the whole function it makes no sense to use an offscreen surface for "flicker free" drawing
psurfOffScreen = SURFACE_AllocSurface(STYPE_BITMAP,
cxWidth, cyHeight, psurfDest->SurfObj.iBitmapFormat,
0, 0, NULL);
if(!psurfOffScreen)
{
ERR("Failed to allocate the off-screen surface.\n");
BRUSH_ShareUnlockBrush(pbrush);
goto Cleanup;
}
/* Paint the brush */
EBRUSHOBJ_vInit(&eboFill, pbrush, psurfOffScreen, 0x00FFFFFF, 0, NULL);
RECTL_vSetRect(&rcDest, 0, 0, cxWidth, cyHeight);
Ret = IntEngBitBlt(&psurfOffScreen->SurfObj,
NULL,
NULL,
NULL,
NULL,
&rcDest,
NULL,
NULL,
&eboFill.BrushObject,
&pbrush->ptOrigin,
ROP4_PATCOPY);
/* Clean up everything */
EBRUSHOBJ_vCleanup(&eboFill);
BRUSH_ShareUnlockBrush(pbrush);
if(!Ret)
{
ERR("Failed to paint the off-screen surface.\n");
goto Cleanup;
}
/* We now have our destination surface */
psurfDest = psurfOffScreen;
#else
pdcClipObj = pdc->rosdc.CombinedClip;
/* Paint the brush */
EBRUSHOBJ_vInit(&eboFill, pbrush, psurfDest, 0x00FFFFFF, 0, NULL);
Ret = IntEngBitBlt(&psurfDest->SurfObj,
NULL,
NULL,
pdcClipObj,
NULL,
&rcDest,
NULL,
NULL,
&eboFill.BrushObject,
&pbrush->ptOrigin,
ROP4_PATCOPY);
/* Clean up everything */
EBRUSHOBJ_vCleanup(&eboFill);
BRUSH_ShareUnlockBrush(pbrush);
if(!Ret)
{
ERR("Failed to paint the off-screen surface.\n");
goto Cleanup;
}
#endif
}
else
{
/* We directly draw to the DC */
TRACE("Performing on screen rendering.\n");
pdcClipObj = pdc->rosdc.CombinedClip;
// psurfOffScreen = NULL;
}
/* Now do the rendering */
if(hbmAlpha && ((diFlags & DI_NORMAL) == DI_NORMAL))
{
BLENDOBJ blendobj = { {AC_SRC_OVER, 0, 255, AC_SRC_ALPHA } };
PSURFACE psurf = NULL;
psurf = SURFACE_ShareLockSurface(hbmAlpha);
if(!psurf)
{
ERR("SURFACE_LockSurface failed!\n");
goto NoAlpha;
}
/* Initialize color translation object */
EXLATEOBJ_vInitialize(&exlo, psurf->ppal, psurfDest->ppal, 0xFFFFFFFF, 0xFFFFFFFF, 0);
/* Now do it */
Ret = IntEngAlphaBlend(&psurfDest->SurfObj,
&psurf->SurfObj,
pdcClipObj,
&exlo.xlo,
&rcDest,
&rcSrc,
&blendobj);
EXLATEOBJ_vCleanup(&exlo);
SURFACE_ShareUnlockSurface(psurf);
if(Ret) goto done;
ERR("NtGdiAlphaBlend failed!\n");
}
NoAlpha:
if (diFlags & DI_MASK)
{
DWORD rop4 = (diFlags & DI_IMAGE) ? ROP4_SRCAND : ROP4_SRCCOPY;
EXLATEOBJ_vInitSrcMonoXlate(&exlo, psurfDest->ppal, 0x00FFFFFF, 0);
Ret = IntEngStretchBlt(&psurfDest->SurfObj,
&psurfMask->SurfObj,
NULL,
pdcClipObj,
&exlo.xlo,
NULL,
&rcDest,
&rcSrc,
NULL,
NULL,
NULL,
rop4);
EXLATEOBJ_vCleanup(&exlo);
if(!Ret)
{
ERR("Failed to mask the bitmap data.\n");
goto Cleanup;
}
}
if(diFlags & DI_IMAGE)
{
if (psurfColor)
{
DWORD rop4 = (diFlags & DI_MASK) ? ROP4_SRCINVERT : ROP4_SRCCOPY ;
EXLATEOBJ_vInitialize(&exlo, psurfColor->ppal, psurfDest->ppal, 0x00FFFFFF, 0x00FFFFFF, 0);
Ret = IntEngStretchBlt(&psurfDest->SurfObj,
&psurfColor->SurfObj,
NULL,
pdcClipObj,
&exlo.xlo,
NULL,
&rcDest,
&rcSrc,
NULL,
NULL,
NULL,
rop4);
EXLATEOBJ_vCleanup(&exlo);
if(!Ret)
{
ERR("Failed to render the icon bitmap.\n");
goto Cleanup;
}
}
else
{
/* Mask bitmap holds the information in its bottom half */
DWORD rop4 = (diFlags & DI_MASK) ? ROP4_SRCINVERT : ROP4_SRCCOPY;
RECTL_vOffsetRect(&rcSrc, 0, pIcon->cy);
EXLATEOBJ_vInitSrcMonoXlate(&exlo, psurfDest->ppal, 0x00FFFFFF, 0);
Ret = IntEngStretchBlt(&psurfDest->SurfObj,
&psurfMask->SurfObj,
NULL,
pdcClipObj,
&exlo.xlo,
NULL,
&rcDest,
&rcSrc,
NULL,
NULL,
NULL,
rop4);
EXLATEOBJ_vCleanup(&exlo);
if(!Ret)
{
ERR("Failed to render the icon bitmap.\n");
goto Cleanup;
}
}
}
done:
#if 0
/* We're done. Was it a double buffered draw ? */
if(bOffScreen)
{
/* Yes. Draw it back to our DC */
POINTL ptSrc = {0, 0};
/* Calculate destination rectangle */
RECTL_vSetRect(&rcDest, xLeft, yTop, xLeft + cxWidth, yTop + cyHeight);
IntLPtoDP(pdc, (LPPOINT)&rcDest, 2);
RECTL_vOffsetRect(&rcDest, pdc->ptlDCOrig.x, pdc->ptlDCOrig.y);
/* Get the clip object */
pdcClipObj = pdc->rosdc.CombinedClip;
/* We now have our destination surface and rectangle */
psurfDest = pdc->dclevel.pSurface;
/* Color translation */
EXLATEOBJ_vInitialize(&exlo, psurfOffScreen->ppal, psurfDest->ppal, 0x00FFFFFF, 0x00FFFFFF, 0);
/* Blt it! */
Ret = IntEngBitBlt(&psurfDest->SurfObj,
&psurfOffScreen->SurfObj,
NULL,
pdcClipObj,
&exlo.xlo,
&rcDest,
&ptSrc,
NULL,
NULL,
NULL,
ROP4_SRCCOPY);
EXLATEOBJ_vCleanup(&exlo);
}
#endif
Cleanup:
if(pdc)
{
DC_vFinishBlit(pdc, NULL);
DC_UnlockDc(pdc);
}
#if 0
/* Delete off screen rendering surface */
if(psurfOffScreen)
GDIOBJ_vDeleteObject(&psurfOffScreen->BaseObject);
#endif
/* Unlock other surfaces */
SURFACE_ShareUnlockSurface(psurfMask);
if(psurfColor) SURFACE_ShareUnlockSurface(psurfColor);
return Ret;
}
