--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/imaging/imagingfws/GifScaler/inc_pub/gifscaler.h Wed Aug 25 12:29:52 2010 +0300
@@ -0,0 +1,79 @@
+// Copyright (c) 2003-2009 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:
+// This is the public client API for the GifScaler Library
+//
+//
+
+#ifndef __GIFSCALER_H__
+#define __GIFSCALER_H__
+
+#include <e32base.h>
+#include <fbs.h>
+
+
+/**
+The public API for clients to call the GifScaler scaling and color quantization library.
+
+@publishedAll
+@released
+*/
+class CGifScaler : public CBase
+ {
+public:
+ /**
+ TOptions is an enumeration within the namespace CGifScaler
+ The enumeration provides a set of supported quantization levels:
+ (EHighQualityQuantization is the default setting as it provides the
+ best balance between quality and speed)
+ */
+ enum TOptions
+ {
+ /** Provides the lowest quality, but also the fastest.
+ */
+ ELowQualityQuantization,
+ /** Provides medium quality quantization
+ */
+ EMediumQualityQuantization,
+ /** Provides high quality quantization
+ */
+ EHighQualityQuantization,
+ /** Provides the highest quality quantization, but is also the slowest.
+ */
+ EMaximumQualityQuantization
+ };
+
+public:
+ IMPORT_C static CGifScaler* NewL(CFbsBitmap& aSource, TOptions aOptions = EHighQualityQuantization);
+ IMPORT_C static CGifScaler* NewL(CFbsBitmap& aSource, CFbsBitmap& aSourceMask, TOptions aOptions = EHighQualityQuantization);
+ IMPORT_C ~CGifScaler();
+
+ // Scale source and mask -> 8bpp destination. (One of the palette indices is transparent, if a mask is supplied)
+ IMPORT_C void Scale(TRequestStatus* aStatus, CFbsBitmap& aDestination, CPalette& aPalette, TBool aMaintainAspectRatio = ETrue);
+
+ // Scale source and mask -> 8bpp destination. (As above, except that the transparency threshold must be specified)
+ IMPORT_C void ThresholdScale(TRequestStatus* aStatus, CFbsBitmap& aDestination, CPalette& aPalette, TUint8 aTransparencyThreshold, TBool aMaintainAspectRatio = ETrue);
+
+ // Cancel scaling.
+ IMPORT_C void Cancel();
+
+private:
+ CGifScaler();
+ void ConstructL(CFbsBitmap& aSource, CFbsBitmap* aSourceMask, TOptions aOptions);
+
+private:
+ class CBody;
+ CBody* iBody;
+ };
+
+#endif // __GIFSCALER_H__