--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/graphicsdeviceinterface/directgdi/src/directgdidrawablesource.cpp Tue Feb 02 01:47:50 2010 +0200
@@ -0,0 +1,92 @@
+// Copyright (c) 2007-2009 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:
+//
+
+#include "directgdidriver.h"
+#include "directgdipaniccodes.h"
+#include <graphics/directgdidrawablesource.h>
+#include <graphics/sgimage.h>
+
+/**
+Default constructor.
+Only for embedding instances of RDirectGdiDrawableSource into other classes as data members.
+Before a RDirectGdiDrawableSource can be used the other constructor must be called.
+*/
+EXPORT_C RDirectGdiDrawableSource::RDirectGdiDrawableSource()
+ : iDriver(NULL), iHandle(KNullHandle)
+ {
+ }
+
+/**
+Constructor.
+
+@param aDriver The CDirectGdiDriver for this thread.
+
+@pre The CDirectGdiDriver object has been initialised from the calling thread.
+@post This handle has a pointer to the CDirectGdiDriver for this thread.
+ This handle is not associated with any DirectGDI adaptation-specific resource.
+*/
+EXPORT_C RDirectGdiDrawableSource::RDirectGdiDrawableSource(CDirectGdiDriver& aDriver)
+ : iDriver(&aDriver), iHandle(KNullHandle)
+ {
+ }
+
+/**
+Creates a DirectGDI adaptation-specific resource that is bound to the specified
+drawable resource so it can be drawn using the DirectGDI rendering API.
+
+@param aDrawable The drawable resource.
+
+@pre CDirectGdiDriver object for this handle has been set. The drawable
+ resource has been fully constructed.
+@post The DirectGDI adaptation-specific resource that is bound to the given
+ non-pixel resource is created and this handle is now associated with it.
+ The reference counter on the drawable resource is incremented.
+
+@return KErrNone if successful, KErrArgument if the drawable resource is not
+ valid, KErrAlreadyExists if this handle is already associated with a
+ DirectGDI adaptation-specific resource, otherwise one of the system-wide
+ error codes.
+@panic DGDI 18, if this drawable source has no pointer to its assosicated CDirectGdiDriver.
+ This may occur if constructed using the default constructor, and has not yet been
+ assigned to another drawable source created with the constructor overload.
+*/
+EXPORT_C TInt RDirectGdiDrawableSource::Create(const RSgDrawable& aDrawable)
+ {
+ GRAPHICS_ASSERT_ALWAYS(iDriver, EDirectGdiPanicDrawableSourceWithoutDriver);
+ return iDriver->CreateDrawableSource(*this, aDrawable);
+ }
+
+/**
+Destroys the DirectGDI adaptation-specific resource associated with this handle.
+Calling this method on a handle that is not associated with any DirectGDI
+adaptation-specific resource will do nothing. Once Close() is called, this handle can be reused.
+
+@pre The CDirectGdiDriver object for this handle has been set.
+@post The DirectGDI specific resource associated with this handle will be destroyed,
+ at any time. This handle is no longer associated with a DirectGDI specific
+ resource. The reference counter of the underlying drawable resource is
+ decremented.
+@panic DGDI 18, if this drawable source has no pointer to its assosicated CDirectGdiDriver.
+ This may occur if constructed using the default constructor, and has not yet been
+ assigned to another drawable source created with the constructor overload.
+*/
+EXPORT_C void RDirectGdiDrawableSource::Close()
+ {
+ if (iHandle != KNullHandle)
+ {
+ GRAPHICS_ASSERT_ALWAYS(iDriver, EDirectGdiPanicDrawableSourceWithoutDriver);
+ iDriver->CloseDrawableSource(*this);
+ }
+ }