epoc32/include/ecam/ecamconstants.h
branchSymbian2
changeset 2 2fe1408b6811
parent 0 061f57f2323e
child 4 837f303aceeb
--- a/epoc32/include/ecam/ecamconstants.h	Tue Nov 24 13:55:44 2009 +0000
+++ b/epoc32/include/ecam/ecamconstants.h	Tue Mar 16 16:12:26 2010 +0000
@@ -1,1 +1,59 @@
-ecamconstants.h
+// 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 the License "Symbian Foundation License v1.0" to Symbian Foundation members and "Symbian Foundation End User License Agreement v1.0" to non-members
+// which accompanies this distribution, and is available
+// at the URL "http://www.symbianfoundation.org/legal/licencesv10.html".
+//
+// Initial Contributors:
+// Nokia Corporation - initial contribution.
+//
+// Contributors:
+//
+// Description:
+// Camera specific constants
+// 
+//
+
+#ifndef  ECAMCONSTANTS_H
+#define  ECAMCONSTANTS_H
+
+/** 
+	Multiplier value used to re-scale various parameters which would typically 
+	require floating point representation.
+	For example to represent aperture (F-stop) F5.6, all values are re-scaled using 
+	this factor. In this way F5.6 will be 560, F22 will be 2200.
+	Functions and settings which use such factor are clearly identified in 
+	individual comments. 
+*/
+static const TInt KECamFineResolutionFactor 	= 100;
+
+/** 
+	Value info settings. This data type provides additional information 
+	to specify the meaning of the returned array of values and 
+	the related data set it describes. 
+*/
+enum TValueInfo
+	{	
+	/** 
+		Data set consists of discrete, magnitude ordered values, 
+		not necessary at uniform intervals.
+		The array contains each of these individual values, magnitude ordered. 
+		The first value in the array is the minimum and the last is the maximum value of the range. 
+		Naturally it can be just one element or a bitfield. 
+		*/
+	/** Not active. The data array should be empty. */
+	ENotActive,		
+	/** Data is represented by one element TInt in the form of bitfields. */ 
+	EBitField,
+	/** Data is represented by individual elements. */
+	EDiscreteSteps,
+	/** Data set consists of discrete, magnitude ordered values, at uniform intervals.
+		It can be described by the minimum, maximum value and the step. */
+	EDiscreteRangeMinMaxStep,
+	/** Data set is continuous.
+		It can be described by the minimum and maximum value. The step is 1. */
+	EContinuousRangeMinMax
+	};
+
+#endif // ECAMCONSTANTS_H