diff -r 000000000000 -r 5d03bc08d59c windowing/windowserver/nonnga/SERVER/gc.cpp --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/windowing/windowserver/nonnga/SERVER/gc.cpp Tue Feb 02 01:47:50 2010 +0200 @@ -0,0 +1,1092 @@ +// Copyright (c) 1994-2009 Nokia Corporation and/or its subsidiary(-ies). +// All rights reserved. +// This component and the accompanying materials are made available +// under the terms of "Eclipse Public License v1.0" +// which accompanies this distribution, and is available +// at the URL "http://www.eclipse.org/legal/epl-v10.html". +// +// Initial Contributors: +// Nokia Corporation - initial contribution. +// +// Contributors: +// +// Description: +// GC and Graphics functions +// +// + +#include +#include +#include "gc.h" +#include "backedupwindow.h" +#include "windowgroup.h" +#include "ScrDev.H" +#include "wstop.h" +#include "panics.h" +#include "Graphics/WSGRAPHICDRAWER.H" +#include "wsfont.h" + +CFbsBitmap *CWsGc::iScratchBitmap=NULL; +CFbsBitmap *CWsGc::iScratchMaskBitmap=NULL; + +GLREF_C TInt ExternalizeRegionL(RWriteStream& aWriteStream, const RWsRegion& aRegion); + +/*CWsGc*/ + +CWsGc* CWsGc::NewL(CWsClient *aOwner) + { + CWsGc* self = new(ELeave) CWsGc(aOwner); + CleanupStack::PushL(self); + self->ConstructL(); + CleanupStack::Pop(self); + return self; + } + +void CWsGc::InitStaticsL() + { + iScratchBitmap=new(ELeave) CFbsBitmap(); + iScratchMaskBitmap=new(ELeave) CFbsBitmap(); + } + +void CWsGc::DeleteStatics() + { + delete iScratchBitmap; + delete iScratchMaskBitmap; + } + +CWsGc::CWsGc(CWsClient *owner) : CWsObject(owner,WS_HANDLE_GC) + { + __DECLARE_NAME(_S("CWsGc")); + } + +void CWsGc::ConstructL() + { + NewObjL(); + iGdi=CFbsBitGc::NewL(); + } + +void CWsGc::Activate(CWsClientWindow *win) + { + if (iWin!=NULL) + { + if (CWsClient::iCurrentCommand.iOpcode==0) + { + WS_PANIC_ALWAYS(EWsPanicDrawCommandsInvalidState); + } + else + { + OwnerPanic(EWservPanicGcActive); + } + } + iWin=win; + iGdi->ActivateNoJustAutoUpdate(iWin->Redraw()->OutputDevice()); + iWin->GcActivated(this); + iGdi->SetBrushColor(iWin->BackColor()); + iOrigin.SetXY(0,0); + ResetClippingRect(); + if(iWsOwner) + { + CWsWindowGroup *winGp = iWin->WinGroup(); + if(!winGp->Device()) + OwnerPanic(EWservPanicGroupWinScreenDeviceDeleted); + SetReply(winGp->Device()->ClientDevicePointer()); + } + } + +void CWsGc::Activate(const TInt &aHandle) + { + CWsClientWindow *win; + iWsOwner->HandleToClientWindow(aHandle,&win); + if (!win->BaseParent()) + OwnerPanic(EWservPanicParentDeleted); + Activate(win); + } + +void CWsGc::Reactivate() + { + WS_ASSERT_DEBUG(iWin != NULL, EWsPanicDrawCommandsInvalidState); + iGdi->ActivateNoJustAutoUpdate(iWin->Redraw()->OutputDevice()); + } + +CWsGc::~CWsGc() + { + if (iWin!=NULL) + Deactivate(); + delete iGdi; + delete iPolyPoints; + } + +void CWsGc::Deactivate() + { + if (iWin) // Protect against deactivating an already deactivated GC, this is allowed to aid clean up code. + { + CWsFontCache::Instance()->ReleaseFont(iFont); + iGdi->Reset(); + iWin->GcDeactivated(this); + CancelClippingRegion(); + iWin->Redraw()->GcDeactivate(this); + iWin=NULL; + } + } + +void CWsGc::Reset() + { + iGdi->Reset(); + } + +void CWsGc::SetClippingRect(const TRect &aRect) + { + iClippingRect=aRect; + iClippingRect.Move(iOrigin); + iClippingRectSet=ETrue; + } + +void CWsGc::ResetClippingRect() + { + iClippingRectSet=EFalse; + } + +void CWsGc::SetClippingRegionL(TInt aRegionCount) + { + RWsRegion *newRegion=GetRegionFromClientL(iWsOwner, aRegionCount); + CancelClippingRegion(); + iUserDefinedClippingRegion=newRegion; + + if (iUserDefinedClippingRegion) + { + iUserDefinedClippingRegion->Offset(iOrigin); + } + } + +void CWsGc::CancelClippingRegion() + { + if (iUserDefinedClippingRegion) + { + iUserDefinedClippingRegion->Destroy(); + iUserDefinedClippingRegion=NULL; + } + } + +void CWsGc::CheckPolyData(const TAny* aDataPtr, TInt aHeaderSize, TInt aNumPoints) + { + TInt maxDataLen; + if (CWsClient::iCurrentCommand.iOpcode>0) + { + maxDataLen=CWsClient::EndOfCommandBuffer()-static_cast(aDataPtr); + } + else // Playing back from redraw store + { + maxDataLen=CWsClient::iCurrentCommand.iCmdLength; + } + const TInt dataSize=aHeaderSize+aNumPoints*sizeof(TPoint); + if (dataSize>maxDataLen) + GcOwnerPanic(EWservPanicBadPolyData); + } + +void CWsGc::DoDrawPolygon(const TWsGcCmdDrawPolygon *aDrawPolygon) + { + CheckPolyData(aDrawPolygon,sizeof(TWsGcCmdDrawPolygon),aDrawPolygon->numPoints); + iGdi->DrawPolygon((TPoint *)(aDrawPolygon+1),aDrawPolygon->numPoints,aDrawPolygon->fillRule); + } + +void CWsGc::StartSegmentedDrawPolygonL(const TWsGcCmdStartSegmentedDrawPolygon* aDrawPolygon) + { + if (iPolyPoints || !Rng(0, aDrawPolygon->totalNumPoints, KMaxTInt/2 - 1)) // Restarting without finishing old polygon or invalid size + GcOwnerPanic(EWservPanicBadPolyData); + iPolyPoints=(TPoint *)User::AllocL(aDrawPolygon->totalNumPoints*sizeof(TPoint)); + iPolyPointListSize=aDrawPolygon->totalNumPoints; + } + +void CWsGc::SegmentedDrawPolygonData(const TWsGcCmdSegmentedDrawPolygonData* aDrawPolygon) + { + if (aDrawPolygon->index<0 || (aDrawPolygon->index+aDrawPolygon->numPoints)>iPolyPointListSize) + GcOwnerPanic(EWservPanicBadPolyData); + Mem::Copy(iPolyPoints+aDrawPolygon->index,aDrawPolygon+1,aDrawPolygon->numPoints*sizeof(TPoint)); + } + +void CWsGc::EndSegmentedPolygon() + { + delete iPolyPoints; + iPolyPoints=NULL; + iPolyPointListSize = 0; + } + +void CWsGc::DoDrawPolyLine(const TWsGcCmdDrawPolyLine *aDrawPolyLine, TBool aContinued) + { + TInt numPoints=aDrawPolyLine->numPoints; + CheckPolyData(aDrawPolyLine,sizeof(TWsGcCmdDrawPolyLine),numPoints); + const TPoint *points=(TPoint *)(aDrawPolyLine+1); + if (aContinued) + { + numPoints++; + points=&aDrawPolyLine->last; + } + if (aDrawPolyLine->more) // more to come so don't draw the end point + iGdi->DrawPolyLineNoEndPoint(points,numPoints); + else + iGdi->DrawPolyLine(points,numPoints); + } + +void CWsGc::GcOwnerPanic(TClientPanic aPanic) + { + iGdi->SetClippingRegion(NULL); + EndSegmentedPolygon(); + iWin->WsOwner()->PPanic(aPanic); + } + +TPtrC CWsGc::BufferTPtr(TText* aStart,TInt aLen) + { + TPtrC gcPtr; + if (!CWsClient::BufferTPtrGc(aStart,aLen,gcPtr)) + GcOwnerPanic(EWservPanicBufferPtr); + return(gcPtr); + } + +void CWsGc::DoDrawCommand(TWsGcOpcodes aOpcode, const TWsGcCmdUnion &pData, const TRegion *aRegion) + { + if (aRegion) + { + WS_ASSERT_DEBUG(iWin,EWsPanicWindowNull); + if (aRegion->Count()==0) + return; + if (aRegion->IsContainedBy(TRect(TPoint(0,0), iGdi->Device()->SizeInPixels()))) + { + iGdi->SetClippingRegion(aRegion); + } + } + switch(aOpcode) + { + case EWsGcOpDrawWsGraphic: + case EWsGcOpDrawWsGraphicPtr: + { + // CWsGc doesn't support CRPs. CPlaybackGc does. This means backedup windows + // don't get to play with them yet. + break; + } + case EWsGcOpMapColorsLocal: + iGdi->MapColors(pData.MapColorsLocal->rect, pData.MapColorsLocal->colors,pData.MapColorsLocal->numPairs,pData.MapColorsLocal->mapForwards); + break; + case EWsGcOpDrawPolyLineLocalBufLen: + iGdi->DrawPolyLine(pData.DrawPolyLineLocalBufLen->points,pData.DrawPolyLineLocalBufLen->length); + break; + case EWsGcOpDrawPolyLineLocal: + iGdi->DrawPolyLine(pData.PointList); + break; + case EWsGcOpDrawPolygonLocalBufLen: + iGdi->DrawPolygon(pData.DrawPolygonLocalBufLen->points,pData.DrawPolygonLocalBufLen->length,pData.DrawPolygonLocalBufLen->fillRule); + break; + case EWsGcOpDrawPolygonLocal: + iGdi->DrawPolygon(pData.DrawPolygonLocal->pointList,pData.DrawPolygonLocal->fillRule); + break; + case EWsGcOpDrawBitmapLocal: + iGdi->DrawBitmap(pData.BitmapLocal->pos, pData.BitmapLocal->bitmap); + break; + case EWsGcOpDrawBitmap2Local: + iGdi->DrawBitmap(pData.Bitmap2Local->rect, pData.Bitmap2Local->bitmap); + break; + case EWsGcOpDrawBitmap3Local: + iGdi->DrawBitmap(pData.Bitmap3Local->rect, pData.Bitmap3Local->bitmap, pData.Bitmap3Local->srcRect); + break; + case EWsGcOpDrawBitmapMaskedLocal: + iGdi->DrawBitmapMasked(pData.iBitmapMaskedLocal->iRect, pData.iBitmapMaskedLocal->iBitmap, pData.iBitmapMaskedLocal->iSrcRect, pData.iBitmapMaskedLocal->iMaskBitmap,pData.iBitmapMaskedLocal->iInvertMask); + break; + case EWsGcOpAlphaBlendBitmapsLocal: + iGdi->AlphaBlendBitmaps(pData.AlphaBlendBitmapsLocal->point,pData.AlphaBlendBitmapsLocal->iBitmap, + pData.AlphaBlendBitmapsLocal->source, pData.AlphaBlendBitmapsLocal->iAlpha, + pData.AlphaBlendBitmapsLocal->alphaPoint); + + break; + case EWsGcOpDrawText: + iGdi->DrawText(BufferTPtr((TText *)(pData.DrawText+1),pData.DrawText->length),pData.DrawText->pos); + break; + case EWsGcOpDrawBoxTextOptimised1: + iGdi->DrawText(BufferTPtr((TText *)(pData.BoxTextO1+1),pData.BoxTextO1->length),pData.BoxTextO1->box, + pData.BoxTextO1->baselineOffset,CGraphicsContext::ELeft,0); + break; + case EWsGcOpDrawBoxTextOptimised2: + iGdi->DrawText(BufferTPtr((TText *)(pData.BoxTextO2+1),pData.BoxTextO2->length),pData.BoxTextO2->box, + pData.BoxTextO2->baselineOffset,pData.BoxTextO2->horiz,pData.BoxTextO2->leftMrg); + break; + case EWsGcOpDrawTextPtr: + iGdi->DrawText(*pData.DrawTextPtr->text,pData.DrawTextPtr->pos); + break; + case EWsGcOpDrawTextPtr1: + iGdi->DrawText(*pData.DrawTextPtr->text); + break; + case EWsGcOpDrawBoxText: + iGdi->DrawText(BufferTPtr((TText *)(pData.BoxText+1),pData.BoxText->length),pData.BoxText->box,pData.BoxText->baselineOffset,pData.BoxText->width,pData.BoxText->horiz,pData.BoxText->leftMrg); + break; + case EWsGcOpDrawBoxTextPtr: + iGdi->DrawText(*pData.DrawBoxTextPtr->text,pData.DrawBoxTextPtr->box,pData.DrawBoxTextPtr->baselineOffset,pData.DrawBoxTextPtr->width,pData.DrawBoxTextPtr->horiz,pData.DrawBoxTextPtr->leftMrg); + break; + case EWsGcOpDrawBoxTextPtr1: + iGdi->DrawText(*pData.DrawBoxTextPtr->text,pData.DrawBoxTextPtr->box); + break; + case EWsGcOpDrawTextVertical: + iGdi->DrawTextVertical(BufferTPtr((TText *)(pData.DrawTextVertical+1),pData.DrawTextVertical->length),pData.DrawTextVertical->pos + ,pData.DrawTextVertical->up); + break; + case EWsGcOpDrawTextVerticalPtr: + iGdi->DrawTextVertical(*pData.DrawTextVerticalPtr->text,pData.DrawTextVerticalPtr->pos,pData.DrawTextVerticalPtr->up); + break; + case EWsGcOpDrawTextVerticalPtr1: + iGdi->DrawTextVertical(*pData.DrawTextVerticalPtr->text,pData.DrawTextVerticalPtr->up); + break; + case EWsGcOpDrawBoxTextVertical: + iGdi->DrawTextVertical(BufferTPtr((TText *)(pData.DrawBoxTextVertical+1),pData.DrawBoxTextVertical->length), + pData.DrawBoxTextVertical->box, pData.DrawBoxTextVertical->baselineOffset, + pData.DrawBoxTextVertical->up,(CGraphicsContext::TTextAlign)pData.DrawBoxTextVertical->vert,pData.DrawBoxTextVertical->margin); + break; + case EWsGcOpDrawBoxTextVerticalPtr: + iGdi->DrawTextVertical(*pData.DrawBoxTextVerticalPtr->text,pData.DrawBoxTextVerticalPtr->box,pData.DrawBoxTextVerticalPtr->baselineOffset + ,pData.DrawBoxTextVerticalPtr->width,pData.DrawBoxTextVerticalPtr->up,pData.DrawBoxTextVerticalPtr->vert,pData.DrawBoxTextVerticalPtr->margin); + break; + case EWsGcOpDrawBoxTextVerticalPtr1: + iGdi->DrawTextVertical(*pData.DrawBoxTextVerticalPtr->text,pData.DrawBoxTextVerticalPtr->box,pData.DrawBoxTextVerticalPtr->up); + break; + case EWsGcOpDrawTextLocal: + iGdi->DrawText(*pData.DrawTextLocal->desc,pData.DrawTextLocal->pos); + break; + case EWsGcOpDrawBoxTextLocal: + iGdi->DrawText(*pData.BoxTextLocal->desc,pData.BoxTextLocal->box,pData.BoxTextLocal->baselineOffset, + pData.BoxTextLocal->horiz,pData.BoxTextLocal->leftMrg); + break; + case EWsGcOpDrawLine: + iGdi->DrawLine(pData.DrawLine->pnt1,pData.DrawLine->pnt2); + break; + case EWsGcOpDrawTo: + iGdi->DrawLine(iLinePos,*pData.Point); + break; + case EWsGcOpDrawBy: + iGdi->DrawLine(iLinePos,iLinePos+(*pData.Point)); + break; + case EWsGcOpPlot: + iGdi->Plot(*pData.Point); + break; + case EWsGcOpMoveTo: + case EWsGcOpMoveBy: + break; + case EWsGcOpGdiBlt2Local: + iGdi->BitBlt(pData.GdiBlt2Local->pos,pData.GdiBlt2Local->bitmap); + break; + case EWsGcOpGdiBlt3Local: + iGdi->BitBlt(pData.GdiBlt3Local->pos,pData.GdiBlt3Local->bitmap, pData.GdiBlt3Local->rect); + break; + case EWsGcOpGdiBltMaskedLocal: + iGdi->BitBltMasked(pData.GdiBltMaskedLocal->pos,pData.GdiBltMaskedLocal->bitmap, + pData.GdiBltMaskedLocal->rect,pData.GdiBltMaskedLocal->maskBitmap, + pData.GdiBltMaskedLocal->invertMask); + break; + case EWsGcOpGdiWsBlt2: + case EWsGcOpGdiWsBlt3: + case EWsGcOpGdiWsBltMasked: + case EWsGcOpGdiWsAlphaBlendBitmaps: + case EWsGcOpWsDrawBitmapMasked: + { + CFbsBitmap* scratchBimap=iScratchBitmap; + CFbsBitmap* scratchMaskBimap=iScratchMaskBitmap; + TInt maskHandle=0; + TInt handle=WsBitmapHandle(aOpcode,pData, maskHandle); + CWsClient* owner=iWin->WsOwner(); // We can't just use iWsOwner - it can be null for stored commands + if (owner!=NULL) + { + DWsBitmap *bitmap=(DWsBitmap *)owner->HandleToObj(handle, WS_HANDLE_BITMAP); + if (!bitmap) + GcOwnerPanic(EWservPanicBitmap); + scratchBimap=bitmap->FbsBitmap(); + if (aOpcode==EWsGcOpGdiWsBltMasked || aOpcode==EWsGcOpGdiWsAlphaBlendBitmaps || aOpcode==EWsGcOpWsDrawBitmapMasked) + { + DWsBitmap *bitmap2=(DWsBitmap *)owner->HandleToObj(maskHandle, WS_HANDLE_BITMAP); + if (!bitmap2) + GcOwnerPanic(EWservPanicBitmap); + scratchMaskBimap=bitmap2->FbsBitmap(); + } + } + else + { + GcOwnerPanic(EWservPanicBitmap); + } + switch(aOpcode) + { + case EWsGcOpGdiWsBlt2: + iGdi->BitBlt(pData.GdiBlt2->pos,scratchBimap); + break; + case EWsGcOpGdiWsBlt3: + iGdi->BitBlt(pData.GdiBlt3->pos,scratchBimap, pData.GdiBlt3->rect); + break; + case EWsGcOpGdiWsBltMasked: + { + iGdi->BitBltMasked(pData.GdiBltMasked->destination,scratchBimap, + pData.GdiBltMasked->source, scratchMaskBimap, + pData.GdiBltMasked->invertMask); + } + break; + case EWsGcOpGdiWsAlphaBlendBitmaps: + { + iGdi->AlphaBlendBitmaps(pData.AlphaBlendBitmaps->point,scratchBimap, + pData.AlphaBlendBitmaps->source, scratchMaskBimap, + pData.AlphaBlendBitmaps->alphaPoint); + } + break; + case EWsGcOpWsDrawBitmapMasked: + { + iGdi->DrawBitmapMasked(pData.iBitmapMasked->iRect,scratchBimap, + pData.iBitmapMasked->iSrcRect,scratchMaskBimap, + pData.iBitmapMasked->iInvertMask); + } + break; + } + break; + } + case EWsGcOpGdiBlt2: + case EWsGcOpGdiBlt3: + case EWsGcOpGdiBltMasked: + case EWsGcOpGdiAlphaBlendBitmaps: + case EWsGcOpDrawBitmap: + case EWsGcOpDrawBitmap2: + case EWsGcOpDrawBitmap3: + case EWsGcOpDrawBitmapMasked: + { + TInt maskHandle=0; + TInt ret = iScratchBitmap->Duplicate(FbsBitmapHandle(aOpcode, pData,maskHandle)); + if(ret == KErrNoMemory) + break; + if (ret !=KErrNone) + GcOwnerPanic(EWservPanicBitmap); + + switch(aOpcode) + { + case EWsGcOpGdiBlt2: + iGdi->BitBlt(pData.GdiBlt2->pos,iScratchBitmap); + break; + case EWsGcOpGdiBlt3: + iGdi->BitBlt(pData.GdiBlt3->pos,iScratchBitmap, pData.GdiBlt3->rect); + break; + case EWsGcOpGdiBltMasked: + { + TInt ret = iScratchMaskBitmap->Duplicate(pData.GdiBltMasked->maskHandle); + if(ret == KErrNoMemory) + break; + if (ret !=KErrNone) + GcOwnerPanic(EWservPanicBitmap); + + iGdi->BitBltMasked(pData.GdiBltMasked->destination,iScratchBitmap, + pData.GdiBltMasked->source, iScratchMaskBitmap, + pData.GdiBltMasked->invertMask); + iScratchMaskBitmap->Reset(); + } + break; + case EWsGcOpGdiAlphaBlendBitmaps: + { + TInt ret = iScratchMaskBitmap->Duplicate(pData.AlphaBlendBitmaps->alphaHandle); + if (ret == KErrNoMemory) + break; + if (ret != KErrNone) + GcOwnerPanic(EWservPanicBitmap); + + iGdi->AlphaBlendBitmaps(pData.AlphaBlendBitmaps->point, iScratchBitmap, + pData.AlphaBlendBitmaps->source, iScratchMaskBitmap, + pData.AlphaBlendBitmaps->alphaPoint); + iScratchMaskBitmap->Reset(); + break; + } + case EWsGcOpDrawBitmap: + iGdi->DrawBitmap(pData.Bitmap->pos, iScratchBitmap); + break; + case EWsGcOpDrawBitmap2: + iGdi->DrawBitmap(pData.Bitmap2->rect, iScratchBitmap); + break; + case EWsGcOpDrawBitmap3: + iGdi->DrawBitmap(pData.Bitmap3->rect, iScratchBitmap, pData.Bitmap3->srcRect); + break; + case EWsGcOpDrawBitmapMasked: + { + TInt ret = iScratchMaskBitmap->Duplicate(pData.iBitmapMasked->iMaskHandle); + if (ret == KErrNoMemory) + break; + if (ret != KErrNone) + GcOwnerPanic(EWservPanicBitmap); + + iGdi->DrawBitmapMasked(pData.iBitmapMasked->iRect, iScratchBitmap, + pData.iBitmapMasked->iSrcRect, iScratchMaskBitmap, + pData.iBitmapMasked->iInvertMask); + iScratchMaskBitmap->Reset(); + } + break; + } + iScratchBitmap->Reset(); + break; + } + case EWsGcOpDrawSegmentedPolygon: + iGdi->DrawPolygon(iPolyPoints,iPolyPointListSize,pData.DrawSegmentedPolygon->fillRule); + break; + case EWsGcOpDrawPolygon: + DoDrawPolygon(pData.Polygon); + break; + case EWsGcOpDrawPolyLine: + DoDrawPolyLine(pData.PolyLine, EFalse); + break; + case EWsGcOpDrawPolyLineContinued: + DoDrawPolyLine(pData.PolyLine, ETrue); + break; + case EWsGcOpClear: + iGdi->Clear(TRect(iWin->Size())); + break; + case EWsGcOpClearRect: + iGdi->Clear(*pData.Rect); + break; + case EWsGcOpDrawRect: + iGdi->DrawRect(*pData.Rect); + break; + case EWsGcOpDrawEllipse: + iGdi->DrawEllipse(*pData.Rect); + break; + case EWsGcOpDrawRoundRect: + iGdi->DrawRoundRect(*pData.Rect,pData.RoundRect->ellipse); + break; + case EWsGcOpDrawArc: + iGdi->DrawArc(*pData.Rect,pData.ArcOrPie->start,pData.ArcOrPie->end); + break; + case EWsGcOpDrawPie: + iGdi->DrawPie(*pData.Rect,pData.ArcOrPie->start,pData.ArcOrPie->end); + break; + case EWsGcOpCopyRect: + iGdi->CopyRect(pData.CopyRect->pos,*pData.Rect); + break; + case EWsGcOpMapColors: + iGdi->MapColors(pData.MapColors->rect,(TRgb *)(pData.MapColors+1),pData.MapColors->numPairs,pData.MapColors->mapForwards); + break; + + default: + GcOwnerPanic(EWservPanicOpcode); + } + iGdi->SetClippingRegion(NULL); + } + +TInt CWsGc::WsBitmapHandle(TInt aOpcode, const TWsGcCmdUnion &pData, TInt& aMaskHandle) + { + TInt handle=0; + switch(aOpcode) + { + case EWsGcOpGdiWsBlt2: + handle=pData.GdiBlt2->handle; + break; + case EWsGcOpGdiWsBlt3: + handle=pData.GdiBlt3->handle; + break; + case EWsGcOpGdiWsBltMasked: + handle=pData.GdiBltMasked->handle; + aMaskHandle = pData.GdiBltMasked->maskHandle; + break; + case EWsGcOpGdiWsAlphaBlendBitmaps: + handle=pData.AlphaBlendBitmaps->bitmapHandle; + aMaskHandle = pData.AlphaBlendBitmaps->alphaHandle; + break; + case EWsGcOpWsDrawBitmapMasked: + handle=pData.iBitmapMasked->iHandle; + aMaskHandle=pData.iBitmapMasked->iMaskHandle; + break; + default: + OwnerPanic(EWservPanicOpcode); + } + return handle; + } + +TInt CWsGc::FbsBitmapHandle(TInt aOpcode, const TWsGcCmdUnion &pData, TInt& aMaskHandle) + { + TInt handle=0; + aMaskHandle=0; + switch(aOpcode) + { + case EWsGcOpGdiBlt2: + handle=pData.GdiBlt2->handle; + break; + case EWsGcOpGdiBlt3: + handle=pData.GdiBlt3->handle; + break; + case EWsGcOpGdiBltMasked: + handle=pData.GdiBltMasked->handle; + aMaskHandle=pData.GdiBltMasked->maskHandle; + break; + case EWsGcOpGdiAlphaBlendBitmaps: + handle=pData.AlphaBlendBitmaps->bitmapHandle; + aMaskHandle=pData.AlphaBlendBitmaps->alphaHandle; + break; + case EWsGcOpDrawBitmap: + handle=pData.Bitmap->handle; + break; + case EWsGcOpDrawBitmap2: + handle=pData.Bitmap2->handle; + break; + case EWsGcOpDrawBitmap3: + handle=pData.Bitmap3->handle; + break; + case EWsGcOpDrawBitmapMasked: + handle=pData.iBitmapMasked->iHandle; + aMaskHandle=pData.iBitmapMasked->iMaskHandle; + break; + default: + OwnerPanic(EWservPanicOpcode); + } + return handle; + } + + +void CWsGc::UpdateJustification(TText* aText,TInt aLen) + { + iGdi->UpdateJustification(BufferTPtr(aText,aLen)); + } + +void CWsGc::DoDrawing2(TWsGcOpcodes aOpcode, const TWsGcCmdUnion &pData) + { + iGdi->SetUserDisplayMode(iWin->DisplayMode()); + if (iClippingRectSet) + { + iGdi->SetOrigin(TPoint(0,0)); + iGdi->SetClippingRect(iClippingRect); + } + iGdi->SetOrigin(iOrigin); + + DoDrawCommand(aOpcode,pData,iUserDefinedClippingRegion); + + iGdi->SetUserDisplayMode(ENone); + iGdi->CancelClippingRect(); + switch(aOpcode) + { + case EWsGcOpDrawLine: + iLinePos=pData.DrawLine->pnt2; + break; + case EWsGcOpDrawTo: + case EWsGcOpMoveTo: + case EWsGcOpPlot: + iLinePos=(*pData.Point); + break; + case EWsGcOpDrawBy: + case EWsGcOpMoveBy: + iLinePos+=(*pData.Point); + break; + case EWsGcOpDrawSegmentedPolygon: + EndSegmentedPolygon(); + break; + case EWsGcOpDrawText: + UpdateJustification((TText *)(pData.DrawText+1),pData.DrawText->length); + break; + case EWsGcOpDrawTextVertical: + UpdateJustification((TText *)(pData.DrawTextVertical+1),pData.DrawTextVertical->length); + break; + case EWsGcOpDrawBoxText: + UpdateJustification((TText *)(pData.BoxText+1),pData.BoxText->length); + break; + case EWsGcOpDrawBoxTextOptimised1: + UpdateJustification((TText *)(pData.BoxTextO1+1),pData.BoxTextO1->length); + break; + case EWsGcOpDrawBoxTextOptimised2: + UpdateJustification((TText *)(pData.BoxTextO2+1),pData.BoxTextO2->length); + break; + case EWsGcOpDrawBoxTextVertical: + UpdateJustification((TText *)(pData.DrawBoxTextVertical+1),pData.DrawBoxTextVertical->length); + break; + case EWsGcOpDrawTextLocal: + iGdi->UpdateJustification(*pData.DrawTextLocal->desc); + break; + case EWsGcOpDrawBoxTextLocal: + iGdi->UpdateJustification(*pData.BoxTextLocal->desc); + break; + case EWsGcOpDrawTextPtr: + iGdi->UpdateJustification(*pData.DrawTextPtr->text); + break; + case EWsGcOpDrawTextVerticalPtr: + iGdi->UpdateJustification(*pData.DrawTextVerticalPtr->text); + break; + case EWsGcOpDrawBoxTextPtr: + iGdi->UpdateJustification(*pData.DrawBoxTextPtr->text); + break; + case EWsGcOpDrawBoxTextVerticalPtr: + iGdi->UpdateJustification(*pData.DrawBoxTextVerticalPtr->text); + break; + } + } + +void CWsGc::DoDrawing1(TWsGcOpcodes aOpcode, const TWsGcCmdUnion &pData) + { + TWsGcLargeStruct newData; + TWsGcCmdUnion pNewData; + TWsGcOpcodes opcode; + TDesC **string; + TInt toGo; + pNewData.LargeStruct=&newData; + switch (aOpcode) + { + case EWsGcOpDrawTextPtr: + WS_ASSERT_DEBUG(sizeof(TWsGcLargeStruct)>=sizeof(TWsGcCmdDrawTextPtr), EWsPanicGcStructSizeError); + opcode=EWsGcOpDrawTextPtr1; + toGo=pData.DrawText->length; + pNewData.DrawTextPtr->pos=pData.DrawText->pos; + string=&(pNewData.DrawTextPtr->text); + break; + case EWsGcOpDrawTextVerticalPtr: + WS_ASSERT_DEBUG(sizeof(TWsGcLargeStruct)>=sizeof(TWsGcCmdDrawTextVerticalPtr), EWsPanicGcStructSizeError); + opcode=EWsGcOpDrawTextVerticalPtr1; + toGo=pData.DrawTextVertical->length; + pNewData.DrawTextVerticalPtr->pos=pData.DrawTextVertical->pos; + pNewData.DrawTextVerticalPtr->up=pData.DrawTextVertical->up; + string=&(pNewData.DrawTextVerticalPtr->text); + break; + + case EWsGcOpDrawBoxTextPtr: + WS_ASSERT_DEBUG(sizeof(TWsGcLargeStruct)>=sizeof(TWsGcCmdBoxTextPtr), EWsPanicGcStructSizeError); + opcode=EWsGcOpDrawBoxTextPtr1; + toGo=pData.BoxText->length; + pNewData.DrawBoxTextPtr->box=pData.BoxText->box; + pNewData.DrawBoxTextPtr->baselineOffset=pData.BoxText->baselineOffset; + pNewData.DrawBoxTextPtr->horiz=pData.BoxText->horiz; + pNewData.DrawBoxTextPtr->leftMrg=pData.BoxText->leftMrg; + pNewData.DrawBoxTextPtr->width=pData.BoxText->width; + string=&(pNewData.DrawBoxTextPtr->text); + break; + + case EWsGcOpDrawBoxTextVerticalPtr: + WS_ASSERT_DEBUG(sizeof(TWsGcLargeStruct)>=sizeof(TWsGcCmdBoxTextVerticalPtr), EWsPanicGcStructSizeError); + opcode=EWsGcOpDrawBoxTextVerticalPtr1; + toGo=pData.DrawBoxTextVertical->length; + pNewData.DrawBoxTextVerticalPtr->box=pData.DrawBoxTextVertical->box; + pNewData.DrawBoxTextVerticalPtr->baselineOffset=pData.DrawBoxTextVertical->baselineOffset; + pNewData.DrawBoxTextVerticalPtr->up=pData.DrawBoxTextVertical->up; + pNewData.DrawBoxTextVerticalPtr->vert=pData.DrawBoxTextVertical->vert; + pNewData.DrawBoxTextVerticalPtr->margin=pData.DrawBoxTextVertical->margin; + pNewData.DrawBoxTextVerticalPtr->width=pData.DrawBoxTextVertical->width; + string=&(pNewData.DrawBoxTextVerticalPtr->text); + break; + + default: + DoDrawing2(aOpcode,pData); + return; + } + + TBuf buf; + TInt len=ETextPtrBufLen; + TInt bufOffset=0; + *string=&buf; + while(toGo>0) + { + if (len>toGo) + len=toGo; + iWsOwner->RemoteRead(buf,bufOffset); + DoDrawing2(aOpcode,pNewData); + aOpcode=opcode; + bufOffset+=len; + toGo-=len; + } + } + +void CWsGc::SetGcAttribute(TInt aOpcode, TWsGcCmdUnion pData) + { + switch(aOpcode) + { + case EWsGcOpSetDrawMode: + iGdi->SetDrawMode((CGraphicsContext::TDrawMode)*pData.UInt); + break; + case EWsGcOpUseFont: + if (CWsFontCache::Instance()->UseFont(iFont, *pData.UInt)) + { // Couldn't cache it + TInt ret = iGdi->UseFont(*pData.UInt); + if (ret == KErrNoMemory) + return; + if (ret != KErrNone) + OwnerPanic(EWservPanicFont); + } + else + { + if (iFont==NULL) + OwnerPanic(EWservPanicFont); + iGdi->UseFontNoDuplicate(iFont); + } + break; + case EWsGcOpDiscardFont: + CWsFontCache::Instance()->ReleaseFont(iFont); + iGdi->DiscardFont(); + break; + case EWsGcOpSetUnderlineStyle: + iGdi->SetUnderlineStyle(*pData.SetUnderlineStyle); + break; + case EWsGcOpSetStrikethroughStyle: + iGdi->SetStrikethroughStyle(*pData.SetStrikethroughStyle); + break; + case EWsGcOpUseBrushPattern: + { + TInt ret = iGdi->UseBrushPattern(*pData.handle); + if (ret == KErrNoMemory) + return; + if (ret != KErrNone) + OwnerPanic(EWservPanicBitmap); + } + break; + case EWsGcOpDiscardBrushPattern: + iGdi->DiscardBrushPattern(); + break; + case EWsGcOpSetBrushColor: + iGdi->SetBrushColor(*pData.rgb); + break; + case EWsGcOpSetPenColor: + iGdi->SetPenColor(*pData.rgb); + break; + case EWsGcOpSetPenStyle: + iGdi->SetPenStyle((CGraphicsContext::TPenStyle)*pData.UInt); + break; + case EWsGcOpSetPenSize: + iGdi->SetPenSize(*pData.Size); + break; + case EWsGcOpSetBrushStyle: + if ((CGraphicsContext::TBrushStyle)*pData.UInt==CGraphicsContext::EPatternedBrush && + !iGdi->IsBrushPatternUsed()) + OwnerPanic(EWservPanicNoBrush); + iGdi->SetBrushStyle((CGraphicsContext::TBrushStyle)*pData.UInt); + break; + case EWsGcOpReset: + CWsFontCache::Instance()->ReleaseFont(iFont); + iGdi->Reset(); + iOrigin.SetXY(0,0); + ResetClippingRect(); + iGdi->SetBrushColor(iWin->BackColor()); + break; + case EWsGcOpSetBrushOrigin: + iGdi->SetBrushOrigin(*pData.Point); + break; + case EWsGcOpSetDitherOrigin: + iGdi->SetDitherOrigin(*pData.Point); + break; + case EWsGcOpSetWordJustification: + iGdi->SetWordJustification(pData.SetJustification->excessWidth, pData.SetJustification->numGaps); + break; + case EWsGcOpSetCharJustification: + iGdi->SetCharJustification(pData.SetJustification->excessWidth, pData.SetJustification->numGaps); + break; + case EWsGcOpSetOrigin: + SetOrigin(*pData.Point); + break; + case EWsGcOpSetOpaque: + //SetOpaque(*pData.Bool); + break; + case EWsGcOpSetShadowColor: + iGdi->SetShadowColor(*pData.rgb); + break; + } + } + +void CWsGc::DoDrawing0L(TWsGcOpcodes aOpcode, const TWsGcCmdUnion &pData) + { + if (iWin==NULL) + { + OwnerPanic(EWservPanicGcNotActive); + return; + } + + switch(aOpcode) + { + case EWsGcOpStartSegmentedDrawPolygon: + // Andy - why are these two special cased like this? + //tell Redraw Store about the drawing data, so that it is stored and CWsGc::ExternalizeL can be called if required + if (iWin->Redraw()->DrawCommand(this,pData.any)) + StartSegmentedDrawPolygonL(pData.StartSegmentedDrawPolygon); + return; + case EWsGcOpSegmentedDrawPolygonData: + //tell Redraw Store about the drawing data, so that it is stored and CWsGc::ExternalizeL can be called if required + if (iWin->Redraw()->DrawCommand(this,pData.any)) + SegmentedDrawPolygonData(pData.SegmentedDrawPolygonData); + return; + case EWsGcOpSetClippingRegion: + SetClippingRegionL(*pData.Int); + break; + case EWsGcOpSetClippingRect: + SetClippingRect(*pData.Rect); + break; + case EWsGcOpCancelClippingRect: + ResetClippingRect(); + break; + case EWsGcOpCancelClippingRegion: + CancelClippingRegion(); + break; + case EWsGcOpSetFaded: + iGdi->SetFaded(*pData.Bool); + break; + case EWsGcOpSetFadeParams: + iGdi->SetFadingParameters(WservEncoding::ExtractFirst8BitValue(*pData.UInt),WservEncoding::ExtractSecond8BitValue(*pData.UInt)); + break; + case EWsGcOpSetDrawMode: + case EWsGcOpUseFont: + case EWsGcOpDiscardFont: + case EWsGcOpUseBrushPattern: + case EWsGcOpDiscardBrushPattern: + case EWsGcOpSetBrushColor: + case EWsGcOpSetPenColor: + case EWsGcOpSetPenStyle: + case EWsGcOpSetPenSize: + case EWsGcOpSetBrushStyle: + case EWsGcOpReset: + case EWsGcOpSetBrushOrigin: + case EWsGcOpSetDitherOrigin: + case EWsGcOpSetUnderlineStyle: + case EWsGcOpSetStrikethroughStyle: + case EWsGcOpSetWordJustification: + case EWsGcOpSetCharJustification: + case EWsGcOpSetOrigin: + case EWsGcOpSetOpaque: + case EWsGcOpSetShadowColor: + { + SetGcAttribute(aOpcode,pData); + break; + } + case EWsGcOpDrawBoxText: + case EWsGcOpDrawBoxTextOptimised1: + case EWsGcOpDrawBoxTextOptimised2: + case EWsGcOpDrawBoxTextPtr: + case EWsGcOpDrawBoxTextPtr1: + case EWsGcOpDrawTextPtr: + case EWsGcOpDrawTextPtr1: + case EWsGcOpDrawText: + case EWsGcOpDrawTextVertical: + case EWsGcOpDrawTextVerticalPtr: + case EWsGcOpDrawTextVerticalPtr1: + case EWsGcOpDrawBoxTextVertical: + case EWsGcOpDrawBoxTextVerticalPtr: + case EWsGcOpDrawBoxTextVerticalPtr1: + case EWsGcOpDrawTextLocal: + case EWsGcOpDrawBoxTextLocal: + { + //Make sure a font is set before any text related opcodes are used. + if (!iGdi->IsFontUsed()) + OwnerPanic(EWservPanicNoFont); + //fall through + } + default: // Assume remaining functions will draw + { + if (iWin->WinType()!=EWinTypeRoot) + { + if (!iWin->BaseParent()) + OwnerPanic(EWservPanicParentDeleted); + if (iWin->WinType()!=EWinTypeClient) + OwnerPanic(EWservPanicReadOnlyDrawable); + } + if (iWin->Redraw()->DrawCommand(this,pData.any)) + DoDrawing1(aOpcode,pData); + return; + } + } + iWin->Redraw()->GcAttributeChange(this,pData.any); + } + +void CWsGc::CommandL(TInt aOpcode, const TAny *aCmdData) + { + TWsGcOpcodes opcode = static_cast(aOpcode); + + TWsGcCmdUnion pData; + pData.any=aCmdData; + switch(opcode) + { + case EWsGcOpActivate: + Activate(*pData.handle); + break; + case EWsGcOpDeactivate: + Deactivate(); + break; + case EWsGcOpFree: + delete this; + break; + case EWsGcOpTestInvariant: + break; + default: + DoDrawing0L(opcode,pData); + break; + } + } + +void CWsGc::SetOrigin(const TPoint &aOrigin) + { + iOrigin=aOrigin; + } + + +void CWsGc::SetOpaque(TBool /*aDrawOpaque*/) + { + } + +/*------------------------------------------------------------------------------ + Description: Saves graphics context information into a given buffer from a + given start position rather than just streaming data to the end. + This variant allows for buffers that are not fully utilised. + -----------------------------------------------------------------------------*/ +TInt CWsGc::ExternalizeL(CBufBase& aBuffer, TInt aStartPos) + { + WS_ASSERT_DEBUG(!IsPolyPointData(), EWsPanicDrawCommandsInvalidState); + + // Open the stream used for the output from the given start position + // in the buffer. + RBufWriteStream bufWriteStream; + bufWriteStream.Open(aBuffer, aStartPos); + CleanupClosePushL(bufWriteStream); + + // Font/Bitmap Server data is serialised below in a call to + // CFbsBitGc::ExternalizeL(). As this method does not return the amount of + // the data externalised we use methods in the underlying stream to + // calculate it. We do this because we need to return an accurate count of + // data serialised from this method so that the caller can update its + // buffer write counter. + MStreamBuf* ptrToRawStream = bufWriteStream.Sink(); // This is the real stream + + // Position of read seek pointer before externalise + TStreamPos size1 = ptrToRawStream->TellL(MStreamBuf::EWrite); + + // Save the font/bitmap server data + iGdi->ExternalizeL(bufWriteStream); + + bufWriteStream.WriteInt32L(iOrigin.iX); + bufWriteStream.WriteInt32L(iOrigin.iY); + + bufWriteStream.WriteInt8L(iClippingRectSet); + + // If there is a clipping rectangle output that too. + if (iClippingRectSet) + { + bufWriteStream << iClippingRect; + } + + // Save clipping region data. + ExternalizeClippingRegionL(bufWriteStream); + + // Save the Alpha values for Brush and Pen colors. + ExternalizeAlphaValueL(bufWriteStream); + + // Position of read seek pointer after externalise + TStreamPos size2 = ptrToRawStream->TellL(MStreamBuf::EWrite); + CleanupStack::PopAndDestroy(&bufWriteStream); + + // Return actual size of data serialized + return (size2 - size1); + } + +/*------------------------------------------------------------------------------ + Description: Saves TRgb::alpha value information into a given buffer. + ----------------------------------------------------------------------------*/ +void CWsGc::ExternalizeAlphaValueL(RWriteStream& aWriteStream) + { + aWriteStream.WriteUint8L(iGdi->BrushColor().Alpha()); + aWriteStream.WriteUint8L(iGdi->PenColor().Alpha()); + } + +/*------------------------------------------------------------------------------ + Description: Helper method to store clipping region data to a given + write stream. + -----------------------------------------------------------------------------*/ +TInt CWsGc::ExternalizeClippingRegionL(RWriteStream& aWriteStream) + { + TBool clipRegion = (iUserDefinedClippingRegion != NULL); + // Store flag to indicate if client has defined a clipping region + aWriteStream.WriteInt8L(clipRegion); + // Store client clipping region data if it exists + if (clipRegion) + { + return ExternalizeRegionL(aWriteStream, *iUserDefinedClippingRegion) + sizeof(TInt8); + } + return sizeof(TInt8); + } +