javauis/lcdui_akn/javalcdui/src.nokialcdui/TMIDTransformer.cpp
changeset 21 2a9601315dfc
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/javauis/lcdui_akn/javalcdui/src.nokialcdui/TMIDTransformer.cpp	Mon May 03 12:27:20 2010 +0300
@@ -0,0 +1,168 @@
+/*
+* Copyright (c) 2006 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:  Used to get basic manipulations to the bitmaps.
+*
+*/
+
+
+//  INCLUDE FILES
+#include <e32std.h>
+#include "TMIDTransformer.h"
+
+void TMIDTransformer::Transform(TRect& aDrawRect, TInt aTransform)
+{
+    iSize = aDrawRect.Size();
+    iTransform = aTransform;
+    TInt rotates(aTransform & KRotates);
+    if (rotates == KRotate90 || rotates == KRotate270)
+    {
+        aDrawRect.SetSize(TSize(aDrawRect.Height(), aDrawRect.Width()));
+    }
+}
+
+
+
+TInt TMIDTransformer::Transform(const TPoint& aMovement)
+{
+    TInt error(KErrNone);
+    TInt hFlip(1);
+    TInt vFlip(1);
+    TInt flip(iTransform & KFlips);
+
+    if ((flip & KFlipVertical) != 0)
+    {
+        vFlip = -1;
+    }
+
+    if ((flip & KFlipHorizontal) != 0)
+    {
+        hFlip = -1;
+    }
+
+    TInt rotates(iTransform & KRotates);
+
+    switch (rotates)
+    {
+    case KRotate90:
+    {
+        iXMove.SetXY(0, 1 * hFlip);
+        iYMove.SetXY(-1 * vFlip, 0);
+        if (vFlip == -1)
+        {
+            iBitPosition.iX = aMovement.iY;
+        }
+        else
+        {
+            iBitPosition.iX = iSize.iWidth - aMovement.iY - 1;
+        }
+
+        if (hFlip == -1)
+        {
+            iBitPosition.iY = iSize.iHeight - aMovement.iX - 1;
+        }
+        else
+        {
+            iBitPosition.iY = aMovement.iX;
+        }
+        break;
+    }
+    case KRotate180:
+    {
+        iXMove.SetXY(-1 * hFlip, 0);
+        iYMove.SetXY(0, -1 * vFlip);
+
+        if (hFlip == -1)
+        {
+            iBitPosition.iX = aMovement.iX;
+        }
+        else
+        {
+            iBitPosition.iX = iSize.iWidth - aMovement.iX - 1;
+        }
+
+        if (vFlip == -1)
+        {
+            iBitPosition.iY = aMovement.iY;
+        }
+        else
+        {
+            iBitPosition.iY = iSize.iHeight - aMovement.iY - 1;
+        }
+
+        break;
+    }
+    case KRotate270:
+    {
+        iXMove.SetXY(0, -1 * hFlip);
+        iYMove.SetXY(1 * vFlip, 0);
+
+        if (vFlip == -1)
+        {
+            iBitPosition.iX = iSize.iWidth - aMovement.iY - 1;
+        }
+        else
+        {
+            iBitPosition.iX = aMovement.iY;
+        }
+
+        if (hFlip == -1)
+        {
+            iBitPosition.iY = aMovement.iX;
+        }
+        else
+        {
+            iBitPosition.iY = iSize.iHeight - aMovement.iX - 1;
+        }
+
+        break;
+    }
+    // No rotate, so rotate angle is 0
+    case 0:
+    {
+        iXMove.SetXY(1 * hFlip, 0);
+        iYMove.SetXY(0, 1 * vFlip);
+        if (hFlip == -1)
+        {
+            iBitPosition.iX = iSize.iWidth - aMovement.iX - 1;
+        }
+        else
+        {
+            iBitPosition.iX = aMovement.iX;
+        }
+
+        if (vFlip == -1)
+        {
+            iBitPosition.iY = iSize.iHeight - aMovement.iY - 1;
+        }
+        else
+        {
+            iBitPosition.iY = aMovement.iY;
+        }
+
+        break;
+    }
+    default:
+    {
+        error = KErrGeneral;
+        break;
+    }
+    }
+
+    iPoint = iBitPosition;
+    return error;
+}
+
+
+
+