--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/uiaccelerator_plat/alf_core_toolkit_api/inc/uiacceltk/HuiTextureHandle.h Tue Feb 02 07:56:43 2010 +0200
@@ -0,0 +1,159 @@
+/*
+* 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: Definition of THuiTextureHandle. THuiTextureHandle is a
+* handle to a named texture object. It does not have ownership
+* of the texture object.
+*
+*/
+
+
+
+#ifndef __HUITEXTUREHANDLE_H__
+#define __HUITEXTUREHANDLE_H__
+
+
+#include <uiacceltk/HuiSegmentedTexture.h>
+#include <uiacceltk/HuiShadowedTexture.h>
+
+
+/**
+ * Handle to a single-segment texture object. Only used for referencing existing
+ * textures. Destroying the handle does not affect the texture object itself.
+ */
+NONSHARABLE_CLASS(THuiTextureHandle) : public MHuiTexture,
+ public MHuiSegmentedTexture
+ {
+public:
+
+ /** Constructors and destructor. */
+
+ /** @beginAPI */
+
+ /**
+ * Constructor.
+ */
+ IMPORT_C THuiTextureHandle();
+
+ /**
+ * Constructs a texture handle.
+ * @see Set()
+ */
+ IMPORT_C THuiTextureHandle(TUint aName,
+ const TSize& aSize,
+ const TSize& aTextureSize);
+
+
+ /* Methods. */
+
+ /**
+ * Determines if this is a null handle.
+ *
+ * @return ETrue, if this is a null handle.
+ */
+ IMPORT_C TBool IsNull() const;
+
+ IMPORT_C TBool HasContent() const;
+
+ /**
+ * Releases the texture object that the handle references.
+ */
+ IMPORT_C void Release();
+
+ /**
+ * Sets the handle's texture name, logical size and texture size. This is
+ * equivalent to calling SetName(), SetSize(), and SetTextureSize().
+ *
+ * @param aName Assigns texture name of this handle. For example, with
+ * OpenGL ES renderer, this will be the texture name generated
+ * with glGenTextures().
+ * @param aSize The logical size of this texture.
+ * @param aSize The actual texture size of this texture.
+ */
+ IMPORT_C void Set(TUint aName, const TSize& aSize, const TSize& aTextureSize);
+
+ /**
+ * Sets the name of the named texture object that this handle refers to.
+ *
+ * @param aName Name of the texture object.
+ */
+ IMPORT_C void SetName(TUint aName);
+
+ /**
+ * Sets the logical size of the texture object this handle refers to.
+ *
+ * @param aSize Logical size.
+ */
+ IMPORT_C void SetSize(const TSize& aSize);
+
+ /**
+ * Sets the actual size of the texture object this handle refers to.
+ * For example, with OpenGL ES, this is the size of the texture object
+ * itself, which is limited to powers of two.
+ *
+ * @param aTextureSize Texture size.
+ */
+ IMPORT_C void SetTextureSize(const TSize& aTextureSize);
+
+
+public:
+
+ /* Implementation of MHuiTexture. */
+
+ IMPORT_C virtual MHuiSegmentedTexture* SegmentedTexture();
+
+ IMPORT_C virtual const MHuiSegmentedTexture* SegmentedTexture() const;
+
+ IMPORT_C virtual MHuiShadowedTexture* ShadowedTexture();
+
+ IMPORT_C virtual const MHuiShadowedTexture* ShadowedTexture() const;
+
+ IMPORT_C virtual TBool TextureChanged() const;
+
+ IMPORT_C virtual void TextureClearChanged() const;
+
+ /* Implementation of MHuiSegmentedTexture. */
+
+ IMPORT_C TUint Name() const;
+
+ IMPORT_C TSize Size() const;
+
+ IMPORT_C TInt SegmentCount() const;
+
+ IMPORT_C TUint SegmentName(TInt aSegment) const;
+
+ IMPORT_C TSize SegmentSize(TInt aSegment) const;
+
+ IMPORT_C TSize SegmentTextureSize(TInt aSegment) const;
+
+ IMPORT_C TPoint SegmentOffset(TInt aSegment) const;
+
+protected:
+
+ IMPORT_C void TextureExtension(const TUid& aExtensionUid, TAny** aExtensionParameters);
+
+public:
+
+ /** Name of the GL texture. */
+ TUint iName;
+
+ /** Logical size of this texture. */
+ TSize iSize;
+
+ /** Real size of the GL texture object. */
+ TSize iTextureSize;
+
+ };
+
+
+#endif // __HUITEXTUREHANDLE_H__