--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/javauis/lcdui_akn/javalcdui/src.nokialcdui/CMIDBufferProcessor.cpp	Tue Apr 27 16:30:29 2010 +0300
@@ -0,0 +1,202 @@
+/*
+* Copyright (c) 2006-2007 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:  Class for buffer processor.
+*
+*/
+
+
+
+#include "CMIDBufferProcessor.h"
+#include "CMIDDirectGraphics.h"
+#include "CMIDToolkit.h"
+#include "CMIDGraphics.h"
+#include "CMIDConvertFactory.h"
+
+// -----------------------------------------------------------------------------
+// CMIDBufferProcessor::NewL
+// Two-phased constructor.
+// -----------------------------------------------------------------------------
+//
+void CMIDBufferProcessor::NewL(CMIDToolkit* aToolkit,
+                               TInt* aHandle, CMIDGraphics* aGraphics,
+                               MMIDImage* aImage)
+{
+    CMIDBufferProcessor* processor = new(ELeave) CMIDBufferProcessor();
+    CleanupStack::PushL(processor);
+    processor->ConstructL(aGraphics, aImage);
+    *aHandle = aToolkit->RegisterComponentL(processor, NULL);
+    CleanupStack::Pop(processor);
+}
+
+CMIDBufferProcessor::CMIDBufferProcessor()
+{
+}
+
+// -----------------------------------------------------------------------------
+// CMIDBufferProcessor::ConstructL
+// Symbian 2nd phase constructor can leave.
+// -----------------------------------------------------------------------------
+//
+void CMIDBufferProcessor::ConstructL(CMIDGraphics* aGraphics,
+                                     MMIDImage* aImage)
+{
+    iGraphics = aGraphics;
+    iDirectGraphics = CMIDDirectGraphics::NewL(aGraphics, aImage);
+}
+
+CMIDBufferProcessor::~CMIDBufferProcessor()
+{
+    delete iDirectGraphics;
+}
+
+void CMIDBufferProcessor::Dispose()
+{
+    delete this;
+}
+
+MMIDComponent::TType CMIDBufferProcessor::Type() const
+{
+    return EUnknown;
+}
+
+MMIDBufferProcessor* CMIDBufferProcessor::Processor()
+{
+    return this;
+}
+
+LOCAL_C void EndBitmapUtil(TAny* aBitmapUtil)
+{
+    ((TBitmapUtil*)aBitmapUtil)->End();
+}
+
+TBool CMIDBufferProcessor::ProcessL(
+    const TMIDBufferOp*& aRead,
+    const TMIDBufferOp* aEnd,
+    TInt& aCycles,
+#ifdef RD_JAVA_NGA_ENABLED
+    java::util::Monitor* /*aMonitor*/)
+#else
+    TRequestStatus* /*aStatus*/)
+#endif
+{
+    TBitmapUtil bitmapUtil(iGraphics->Bitmap());
+    CleanupStack::PushL(TCleanupItem(&EndBitmapUtil,
+                                     &bitmapUtil));
+    bitmapUtil.Begin(TPoint(0, 0));
+
+    while ((aRead < aEnd) && (aCycles > 0))
+    {
+        TInt opCode = aRead->OpCode();
+        switch (opCode)
+        {
+        case MMIDGraphics::EGrOpSetClipRect:
+        {
+            SetClipRect(RectData(aRead));
+            break;
+        }
+        case EDrawTriangle:
+        {
+            DrawTriangle(TriangleData(aRead));
+            break;
+        }
+        case EFillTriangle:
+        {
+            FillTriangle(TriangleData(aRead));
+            break;
+        }
+        case EDrawImage:
+        {
+            DrawImageL(aRead, bitmapUtil);
+            break;
+        }
+        default:
+        {
+            bitmapUtil.End();
+            ASSERT(EFalse);
+            break;
+        }
+        }
+        aRead += aRead->Size();
+    }
+    CleanupStack::Pop();   // CSI: 12 TCleanupItem parameter cannot be used with Pop #
+    bitmapUtil.End();
+    return EFalse;
+}
+
+void CMIDBufferProcessor::AbortAsync()
+{
+}
+
+void CMIDBufferProcessor::DrawImageL(
+    const TMIDBufferOp* aRead,
+    TBitmapUtil& aUtil)
+{
+    TMIDBitmapParameters params;
+
+    params.iTransparency = EFalse;
+
+    UnlockedBitmapParameters(params, aRead);
+
+    params.iFormat =
+        CMIDConvertFactory::GetPixelFormat(params.iBitmap->DisplayMode());
+    if ((params.iFormat == KMIDTypeInt8888ARGB) ||
+            (params.iFormat == KMIDTypeUshort4444ARGB))
+    {
+        params.iTransparency = ETrue;
+    }
+
+    // if target and source bitmaps are in the same heap, locking the source
+    // would result in a deadlock if target is locked.
+    aUtil.End();
+
+    TBitmapUtil imageBitmapUtil(params.iBitmap);
+    CleanupStack::PushL(TCleanupItem(&EndBitmapUtil, &imageBitmapUtil));
+    imageBitmapUtil.Begin(TPoint(0, 0), aUtil);
+
+    LockedDrawImageL(params, imageBitmapUtil, aUtil);
+
+    CleanupStack::PopAndDestroy();   // CSI: 12 TCleanupItem parameter cannot be used with PopAndDestroy #
+}
+
+void CMIDBufferProcessor::LockedDrawImageL(
+    TMIDBitmapParameters& aParams,
+    TBitmapUtil& aSourceUtil,
+    TBitmapUtil& aTargetUtil)
+{
+    LockedBitmapParameters(aParams);
+    // when we go to directgraphics code, target bitmap must be locked.
+    // source must be unlocked in order to be sure that no deadlock occurs
+    aSourceUtil.End();
+    aTargetUtil.Begin(TPoint(0, 0), aSourceUtil);
+    iDirectGraphics->DrawBitmapL(&aParams);
+}
+
+
+void CMIDBufferProcessor::DrawTriangle(const TTriangleData& aTriangle)
+{
+    iDirectGraphics->DrawTriangle(aTriangle.x1, aTriangle.y1, aTriangle.x2, aTriangle.y2,
+                                  aTriangle.x3, aTriangle.y3, aTriangle.color);
+}
+
+void CMIDBufferProcessor::FillTriangle(const TTriangleData& aTriangle)
+{
+    iDirectGraphics->FillTriangle(aTriangle.x1, aTriangle.y1, aTriangle.x2, aTriangle.y2,
+                                  aTriangle.x3, aTriangle.y3, aTriangle.color);
+}
+
+void CMIDBufferProcessor::SetClipRect(const TRect& aRect)
+{
+    iDirectGraphics->SetClippingRect(aRect);
+}
+