Symaptic: os/textandloc/fontservices/fontstore/src/FNTSTD.H@260cb5ec6c19

     1 /*

     2 * Copyright (c) 1996-2009 Nokia Corporation and/or its subsidiary(-ies).

     3 * All rights reserved.

     4 * This component and the accompanying materials are made available

     5 * under the terms of "Eclipse Public License v1.0"

     6 * which accompanies this distribution, and is available

     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".

8 *

     9 * Initial Contributors:

    10 * Nokia Corporation - initial contribution.

    11 *

    12 * Contributors:

    13 *

    14 * Description:

    15 *

    16 */

    19 #ifndef __FNTSTD_H__

    20 #define __FNTSTD_H__

    22 #include <e32std.h>

    23 #include <graphics/shapeimpl.h>

    25 /**

    26 @internalComponent

    27 */

    28 enum TFntStorePanic

    29 	{

    30 	EFntTypefaceIndexOutOfRange,

    31 	EFntHeightIndexOutOfRange,

    32 	EFntNoTypefaces,

    33 	EFntNoTypefaceFontBitmaps,

    34 	EFntTypefaceHasNoFontBitmaps,

    35 	EFntFontBitmapNotLoaded,

    36 	EFntFontAccessCountNonZero,

    37 	EFntFontStoreFileInUse,

    38 	EFntKPixelHeightInTwipsZero,

    39 	EFntSessionCacheIndexOutOfRange,

    40 	EFntMetricsIndexOutOfBounds,

    41 	EFntNoFontFound,

    42 	EFntRemovingAlreadyDeletedLinkedFont,

    43 	EFntOverFlow,

    44 	EFntMetricsNotOnHeap,

    45 	EFntPointerNotByteAligned,

    46 	};

    48 /**

    49 @internalComponent

    50 */

    51 GLREF_C void Panic(TFntStorePanic aPanic);

    53 // COpenFontSessionCacheList is placed here rather than openfont.cpp because it is used in fntstore.cpp as well.

    55 class COpenFontSessionCache;

    56 class COpenFont;

    58 class COpenFontSessionCacheList

    59 /**

    60 @internalComponent

    61 */

    62 	{

    63 public:

    64 	inline COpenFontSessionCacheList();

    65 	TInt AddCache(COpenFontSessionCache* aCache);

    66 	COpenFontSessionCache* FindCache(TInt aSessionHandle) const;

    67 	void Delete(RHeap* aHeap);

    68 	void DeleteCache(RHeap* aHeap,TInt aSessionHandle);

    69 	void DeleteFontGlyphs(RHeap* aHeap,const COpenFont* aFont);

    70 private:

    71 	enum { EMaxNumCaches = 256 };

    72 private:

    73 	TInt iSessionHandleArray[EMaxNumCaches];

    74 	TInt iCacheOffsetArray[EMaxNumCaches];

    75 	};

    77 inline COpenFontSessionCacheList::COpenFontSessionCacheList()

    78 	{

    79 	Mem::FillZ(this, sizeof(COpenFontSessionCacheList));

    80 	}

    82 /**

    83 @internalComponent

    84 */

    85 #ifdef __GCC32__

    86 #define PACKED_STRUCTURE_PREFIX

    87 #define PACKED_STRUCTURE_SUFFIX __attribute__(( __packed__))

    88 #elif defined(__ARMCC__)

    89 #define PACKED_STRUCTURE_PREFIX __packed

    90 #define PACKED_STRUCTURE_SUFFIX

    91 #else

    92 #define PACKED_STRUCTURE_PREFIX

    93 #define PACKED_STRUCTURE_SUFFIX

    94 #endif

    96 PACKED_STRUCTURE_PREFIX class TBitmapFontCharacterOffset

    97 /**

    98 Class to store an offset to the given position of a characters binary data in the

    99 bitmap section of the font file.

   100 @internalComponent

   101 */

   103 	{

   104 public:

   105 	TBitmapFontCharacterOffset();

   106 	void InternalizeL(RReadStream& aStream);

   107 public:

   108 	TUint16 iBitmapOffset;  // restricts bitmap to 64k

   109 	} PACKED_STRUCTURE_SUFFIX;

   111 PACKED_STRUCTURE_PREFIX class TBitmapFontCharacterMetrics

   112 /**

   113 Character metrics stored in .GDR files.

   115 This structure cannot be changed without changing the format of bitmap font

   116 files (.GDR files). This is because a pointer to TBitmapFontCharacterMetrics is made to point

   117 to part of the .GDR file in ROM.

   118 @internalComponent

   119 */

   121 	{

   122 	public:

   123 	TBitmapFontCharacterMetrics();

   124 	void InternalizeL(RReadStream& aStream);

   126 	TInt8 iAscentInPixels;

   127 	TInt8 iHeightInPixels;

   128 	TInt8 iLeftAdjustInPixels;

   129 	TInt8 iMoveInPixels;

   130 	TInt8 iRightAdjustInPixels;

   131 	} PACKED_STRUCTURE_SUFFIX;

   133 #endif

author	sl
	Tue, 10 Jun 2014 14:32:02 +0200
changeset 1	260cb5ec6c19
permissions	-rw-r--r--