BOOL
FASTCALL
IntGdiCleanDC(HDC hDC)
{
PDC dc;
if (!hDC) return FALSE;
dc = DC_LockDc(hDC);
if (!dc) return FALSE;
// Clean the DC
if (defaultDCstate)
{
DC_vCopyState(defaultDCstate, dc, FALSE);
/* Update the brushes now, because they reference some objects (the DC palette)
* Which belong to the current process, and this DC might be used for another process
* after being cleaned up (for GetDC(0) for instance) */
DC_vUpdateFillBrush(dc);
DC_vUpdateBackgroundBrush(dc);
DC_vUpdateLineBrush(dc);
DC_vUpdateTextBrush(dc);
}
// Remove Path and reset flags.
if (dc->dclevel.hPath)
{
DPRINT("Clean DC Remove Path\n");
if (!PATH_Delete(dc->dclevel.hPath))
{
DPRINT1("Failed to remove Path\n");
}
dc->dclevel.hPath = 0;
dc->dclevel.flPath = 0;
}
/* DC_vCopyState frees the Clip rgn and the Meta rgn. Take care of the other ones
* There is no need to clear prgnVis, as UserGetDC updates it immediately. */
if (dc->prgnRao)
REGION_Delete(dc->prgnRao);
if (dc->prgnAPI)
REGION_Delete(dc->prgnAPI);
dc->prgnRao = dc->prgnAPI = NULL;
dc->fs |= DC_FLAG_DIRTY_RAO;
DC_UnlockDc(dc);
return TRUE;
}
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);
}
}
