--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/javauis/lcdui_akn/lcdgd/inc/collision.h	Tue Apr 27 16:30:29 2010 +0300
@@ -0,0 +1,131 @@
+/*
+* Copyright (c) 2005 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:
+*
+*/
+
+
+#ifndef COLLISION_H
+#define COLLISION_H
+
+#include <gdi.h>
+class TAcceleratedBitmapInfo;
+class TLcdTransform;
+class TRect;
+
+enum TDisplayModeBit
+{
+    ENoneBit        = (1<<ENone),
+    EGray2Bit       = (1<<EGray2),
+    EGray256Bit     = (1<<EGray256),
+    EColor64KBit    = (1<<EColor64K),
+    EColor4KBit     = (1<<EColor4K),
+    EColor16MUBit   = (1<<EColor16MU),
+    EColor16MABit   = (1<<EColor16MA)
+};
+
+enum TTransparencyBit
+{
+    ETransparencyNoneBit        = 1<<ETransparencyNone,
+    ETransparencyMaskBitmapBit  = 1<<ETransparencyMaskBitmap,
+    ETransparencyAlphaBitmapBit = 1<<ETransparencyAlphaBitmap,
+    ETransparencyAlphaChannelBit= 1<<ETransparencyAlphaChannel,
+    ETransparencyMaskChannelBit = 1<<ETransparencyMaskChannel,
+};
+
+// Display modes currently supported by GenericDetectCollision
+const TUint KGenericModesMask = ENoneBit
+                                | EGray2Bit
+                                | EGray256Bit
+                                | EColor64KBit
+                                | EColor4KBit
+                                | EColor16MUBit
+                                | EColor16MABit;
+
+// Transparency types currently supported by GenericDetectCollision
+const TUint KGenericTransMask = ETransparencyNoneBit
+                                | ETransparencyMaskBitmapBit
+                                | ETransparencyAlphaBitmapBit;
+
+TBool IsOpaque(TDisplayMode aDisplayMode, TUint8* aAddress, TInt aLinePitch , TInt aX, TInt aY);
+
+TBool GenericDetectCollision
+(
+    const TAcceleratedBitmapInfo*   aBitmap1,
+    const TAcceleratedBitmapInfo*   aBitmap2,
+    const TRect&                    aRect1,
+    const TRect&                    aRect2,
+    const TLcdTransform&            aTransform1,
+    const TLcdTransform&            aTransform2
+);
+
+TBool DetectCollisionGray2Gray2
+(
+    const TAcceleratedBitmapInfo*   aGray2Bitmap1,
+    const TAcceleratedBitmapInfo*   aGray2Bitmap2,
+    const TRect&                    aRect1,
+    const TRect&                    aRect2,
+    const TLcdTransform&            aTransform1,
+    const TLcdTransform&            aTransform2
+);
+
+TBool DetectCollisionGray256Gray256
+(
+    const TAcceleratedBitmapInfo*   aGray256Bitmap1,
+    const TAcceleratedBitmapInfo*   aGray256Bitmap2,
+    const TRect&                    aRect1,
+    const TRect&                    aRect2,
+    const TLcdTransform&            aTransform1,
+    const TLcdTransform&            aTransform2
+);
+
+TBool DetectCollisionGray2Gray256
+(
+    const TAcceleratedBitmapInfo*   aGray2Bitmap1,
+    const TAcceleratedBitmapInfo*   aGray256Bitmap2,
+    const TRect&                    aRect1,
+    const TRect&                    aRect2,
+    const TLcdTransform&            aTransform1,
+    const TLcdTransform&            aTransform2
+);
+
+TBool DetectCollisionGray256Gray2
+(
+    const TAcceleratedBitmapInfo*   aGray256Bitmap1,
+    const TAcceleratedBitmapInfo*   aGray2Bitmap2,
+    const TRect&                    aRect1,
+    const TRect&                    aRect2,
+    const TLcdTransform&            aTransform1,
+    const TLcdTransform&            aTransform2
+);
+
+TBool HasOpaquePixel
+(
+    const TAcceleratedBitmapInfo*   aBitmap,
+    const TRect&                    aRect
+);
+
+TBool HasOpaquePixelGray2
+(
+    const TAcceleratedBitmapInfo*   aGray2Bitmap,
+    const TRect&                    aRect
+);
+
+TBool HasOpaquePixelGray256
+(
+    const TAcceleratedBitmapInfo*   aGray256Bitmap,
+    const TRect&                    aRect
+);
+
+#endif // COLLISION_H