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1 /* |
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2 * Copyright (c) 1996-2009 Nokia Corporation and/or its subsidiary(-ies). |
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3 * All rights reserved. |
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4 * This component and the accompanying materials are made available |
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5 * under the terms of "Eclipse Public License v1.0" |
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6 * which accompanies this distribution, and is available |
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7 * at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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8 * |
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9 * Initial Contributors: |
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10 * Nokia Corporation - initial contribution. |
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11 * |
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12 * Contributors: |
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13 * |
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14 * Description: |
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15 * |
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16 */ |
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17 |
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18 |
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19 #ifndef __FNTSTD_H__ |
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20 #define __FNTSTD_H__ |
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21 |
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22 #include <e32std.h> |
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23 #include <graphics/shapeimpl.h> |
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24 |
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25 /** |
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26 @internalComponent |
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27 */ |
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28 enum TFntStorePanic |
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29 { |
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30 EFntTypefaceIndexOutOfRange, |
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31 EFntHeightIndexOutOfRange, |
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32 EFntNoTypefaces, |
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33 EFntNoTypefaceFontBitmaps, |
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34 EFntTypefaceHasNoFontBitmaps, |
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35 EFntFontBitmapNotLoaded, |
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36 EFntFontAccessCountNonZero, |
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37 EFntFontStoreFileInUse, |
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38 EFntKPixelHeightInTwipsZero, |
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39 EFntSessionCacheIndexOutOfRange, |
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40 EFntMetricsIndexOutOfBounds, |
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41 EFntNoFontFound, |
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42 EFntRemovingAlreadyDeletedLinkedFont, |
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43 EFntOverFlow, |
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44 EFntMetricsNotOnHeap, |
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45 EFntPointerNotByteAligned, |
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46 }; |
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47 |
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48 /** |
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49 @internalComponent |
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50 */ |
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51 GLREF_C void Panic(TFntStorePanic aPanic); |
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52 |
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53 // COpenFontSessionCacheList is placed here rather than openfont.cpp because it is used in fntstore.cpp as well. |
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54 |
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55 class COpenFontSessionCacheListItem; |
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56 class COpenFont; |
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57 |
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58 class COpenFontSessionCacheList |
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59 /** |
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60 @internalComponent |
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61 */ |
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62 { |
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63 public: |
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64 inline COpenFontSessionCacheList(); |
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65 void Delete(RHeap* aHeap); |
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66 void DeleteCache(RHeap* aHeap,TInt aSessionHandle); |
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67 |
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68 COpenFontSessionCacheListItem* Start(); |
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69 void SetStart(COpenFontSessionCacheListItem* aItem); |
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70 |
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71 void DeleteFontGlyphs(RHeap* aHeap,const COpenFont* aFont); |
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72 |
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73 TInt iStartOffset; |
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74 }; |
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75 |
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76 inline COpenFontSessionCacheList::COpenFontSessionCacheList(): |
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77 iStartOffset(0) |
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78 { |
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79 } |
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80 |
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81 /** |
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82 @internalComponent |
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83 */ |
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84 #ifdef __GCC32__ |
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85 #define PACKED_STRUCTURE_PREFIX |
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86 #define PACKED_STRUCTURE_SUFFIX __attribute__(( __packed__)) |
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87 #elif defined(__ARMCC__) |
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88 #define PACKED_STRUCTURE_PREFIX __packed |
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89 #define PACKED_STRUCTURE_SUFFIX |
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90 #else |
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91 #define PACKED_STRUCTURE_PREFIX |
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92 #define PACKED_STRUCTURE_SUFFIX |
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93 #endif |
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94 |
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95 PACKED_STRUCTURE_PREFIX class TBitmapFontCharacterOffset |
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96 /** |
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97 Class to store an offset to the given position of a characters binary data in the |
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98 bitmap section of the font file. |
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99 @internalComponent |
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100 */ |
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101 |
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102 { |
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103 public: |
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104 TBitmapFontCharacterOffset(); |
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105 void InternalizeL(RReadStream& aStream); |
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106 public: |
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107 TUint16 iBitmapOffset; // restricts bitmap to 64k |
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108 } PACKED_STRUCTURE_SUFFIX; |
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109 |
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110 PACKED_STRUCTURE_PREFIX class TBitmapFontCharacterMetrics |
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111 /** |
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112 Character metrics stored in .GDR files. |
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113 |
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114 This structure cannot be changed without changing the format of bitmap font |
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115 files (.GDR files). This is because a pointer to TBitmapFontCharacterMetrics is made to point |
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116 to part of the .GDR file in ROM. |
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117 @internalComponent |
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118 */ |
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119 |
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120 { |
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121 public: |
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122 TBitmapFontCharacterMetrics(); |
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123 void InternalizeL(RReadStream& aStream); |
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124 |
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125 TInt8 iAscentInPixels; |
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126 TInt8 iHeightInPixels; |
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127 TInt8 iLeftAdjustInPixels; |
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128 TInt8 iMoveInPixels; |
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129 TInt8 iRightAdjustInPixels; |
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130 } PACKED_STRUCTURE_SUFFIX; |
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131 |
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132 #endif |