/*

* Copyright (c) 2005-2007 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:  Phonebook 2 presentation utilities.

*

*/

#ifndef PBK2PRESENTATIONUTILS_H

#define PBK2PRESENTATIONUTILS_H

#include <e32std.h>

class CFbsBitmap;

/**

 * Util class with static text formatting functions

 */

class Pbk2PresentationUtils

    {

    public: // Interface

        /**

         * Appends given text to given descriptor. Ignores all leading

         * and trailing spaces in the given text and converts consencutive

         * space characters to a single space character.

         *

         * @precond aDest.MaxLength()-aDest.Length() >= TrimAllLength(aText)

         * @postcond aDest.Length()-old(aDest.Length()) == TrimAllLength(aText)

         * @param aText     Text to append as a trimmed version.

         * @param aDest     Buffer where thed trimmed text is appended.

         *                  Must have enough room for the copied text.

         * @return  Number of characters appended.

         */

        static TInt TrimAllAppend(

                const TDesC& aText,

                TDes& aDest );

        /**

         * Appends given text to given descriptor. Ignores all trailing

         * spaces in the given text and converts consencutive space

         * characters to a single space character. Leading spaces remain

         * unaffected.

         *

         * @precond aDest.MaxLength()-aDest.Length() >= TrimRightLength(aText)

         * @postcond aDest.Length()-old(aDest.Length())==TrimRightLength(aText)

         * @param aText     Text to append as a trimmed version.

         * @param aDest     Buffer where the trimmed text is appended.

         *                  Must have enough room for the copied text.

         * @return  Number of characters appended.

         */

        IMPORT_C static TInt TrimRightAppend(

                const TDesC& aText,

                TDes& aDest );

        /**

         * Appends a descriptor to another and replaces characters while

         * appending.

         *

         * @precond (aDest.MaxLength()-aDest.Length()) >= aSrc.Length()

         * @precond aCharsToReplace.Length() == aReplaceChars.Length()

         * @param aDest             Destination descriptor.

         * @param aSrc              Source descriptor.

         * @param aCharsToReplace   Characters to replace.

         * @param aReplaceChars     Replace characters. The replace position

         *                          maps to the position in aCharsToReplace.

         * @return  Number of characters replaced.

         */

        IMPORT_C static TInt AppendAndReplaceChars(

                TDes& aDest,

                const TDesC& aSrc,

                const TDesC& aCharsToReplace,

                const TDesC& aReplaceChars );

        /**

         * Replaces all non-graphic characters (!TChar::IsGraph()) in

         * a string with the specified character.

         *

         * @param aText     The string where to replace

         *                  non-graphics characters.

         * @param aChar     The character used to replace non-graphic

         *                  characters.

         */

        IMPORT_C static void ReplaceNonGraphicCharacters(

                TDes& aText,

                TText aChar );

        /**

         * Replaces all CR, LF or CRLF characters with unicode Paragraph

         * Separator (0x2029) character that for example Avkon controls

         * understand. Copies all other text as-is. Copies only as many

         * characters from the beginning of aText as aBuffer has space for.

         *

         * @param aBuffer  Destination buffer where aText is appended with

         *                 newlines translated to Paragraph Separators.

         * @param aText    Source text to be translated.

         */

        IMPORT_C static void AppendWithNewlineTranslationL(

                TDes& aBuffer,

                const TDesC& aText );

        /**

        * Solves the correct language specific resource filename.

        * With all resource files the same pbk2presentation.rsg can be used.

        *

        * @return A reference to resource file

        */    

        IMPORT_C static const TDesC& PresentationResourceFile();

    private: // Disabled functions

        Pbk2PresentationUtils();

    };

class Pbk2PresentationImageUtils

    {

public:

    enum TCroppingMode

        {

        /// Image is cropped to square, target size is not used

        ECropping                  = 0x0,

        /**

         * Image is cropped to square and optimized to target size.

         * Cropped bitmap minimum width/height is aTargetSize width/height. 

         */

        EOptimizedCropping

        };

    IMPORT_C static void CropImageL( 

            CFbsBitmap& aBitmap, 

            TCroppingMode aCroppingMode, 

            const TSize& aTargetSize );

private: // Disabled functions

    Pbk2PresentationImageUtils();

    };

#endif // PBK2PRESENTATIONUTILS_H

// End of File