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1 /* |
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2 * Copyright (c) 2004 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: Static utility class for synchronous CFbsBitmap operations. |
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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 // INCLUDE FILES |
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20 #include <IHLBitmapUtil.h> |
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21 #include <fbs.h> |
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22 |
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23 // ============================ STATIC FUNCTIONS =============================== |
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24 // ----------------------------------------------------------------------------- |
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25 // IHLBitmapUtil::DuplicateBitmapL |
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26 // ----------------------------------------------------------------------------- |
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27 EXPORT_C CFbsBitmap* IHLBitmapUtil::DuplicateBitmapL( const CFbsBitmap& aBitmap ) |
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28 { |
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29 CFbsBitmap* bitmap = DuplicateBitmapLC( aBitmap ); |
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30 CleanupStack::Pop(); // bitmap |
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31 return bitmap; |
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32 } |
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33 |
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34 // ----------------------------------------------------------------------------- |
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35 // IHLBitmapUtil::DuplicateBitmapLC |
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36 // ----------------------------------------------------------------------------- |
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37 EXPORT_C CFbsBitmap* IHLBitmapUtil::DuplicateBitmapLC( const CFbsBitmap& aBitmap ) |
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38 { |
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39 CFbsBitmap* bitmap = new(ELeave) CFbsBitmap; |
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40 CleanupStack::PushL( bitmap ); |
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41 User::LeaveIfError( bitmap->Duplicate( aBitmap.Handle() ) ); |
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42 return bitmap; |
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43 } |
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44 |
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45 // ----------------------------------------------------------------------------- |
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46 // IHLBitmapUtil::CopyBitmapL |
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47 // ----------------------------------------------------------------------------- |
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48 EXPORT_C CFbsBitmap* IHLBitmapUtil::CopyBitmapL( const CFbsBitmap& aBitmap ) |
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49 { |
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50 CFbsBitmap* bitmap = CopyBitmapLC( aBitmap ); |
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51 CleanupStack::Pop(); // bitmap |
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52 return bitmap; |
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53 } |
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54 |
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55 // ----------------------------------------------------------------------------- |
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56 // IHLBitmapUtil::CopyBitmapLC |
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57 // ----------------------------------------------------------------------------- |
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58 EXPORT_C CFbsBitmap* IHLBitmapUtil::CopyBitmapLC( const CFbsBitmap& aBitmap ) |
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59 { |
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60 CFbsBitmap* bitmap = new (ELeave) CFbsBitmap(); |
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61 CleanupStack::PushL( bitmap ); |
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62 if( !aBitmap.Handle() ) |
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63 { |
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64 return bitmap; |
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65 } |
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66 |
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67 TSize size( aBitmap.SizeInPixels() ); |
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68 TDisplayMode displayMode( aBitmap.DisplayMode() ); |
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69 |
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70 User::LeaveIfError( bitmap->Create( size, displayMode ) ); |
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71 |
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72 HBufC8* scanLine = HBufC8::NewLC( |
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73 aBitmap.ScanLineLength( size.iWidth, displayMode ) ); |
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74 TPtr8 scanPtr( scanLine->Des() ); |
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75 |
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76 TPoint pp; |
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77 for ( TInt y( 0 ); y < size.iHeight; ++y ) |
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78 { |
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79 pp.iY = y; |
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80 aBitmap.GetScanLine( scanPtr, pp, size.iWidth, displayMode ); |
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81 bitmap->SetScanLine( scanPtr, y ); |
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82 } |
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83 |
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84 CleanupStack::PopAndDestroy(); // scanLine |
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85 |
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86 return bitmap; |
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87 } |
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88 |
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89 // ----------------------------------------------------------------------------- |
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90 // IHLBitmapUtil::CopyBitmapL |
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91 // ----------------------------------------------------------------------------- |
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92 EXPORT_C CFbsBitmap* IHLBitmapUtil::CopyBitmapL( const CFbsBitmap& aBitmap, const TRect& aRect ) |
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93 { |
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94 CFbsBitmap* bitmap = CopyBitmapLC( aBitmap, aRect ); |
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95 CleanupStack::Pop(); // bitmap |
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96 return bitmap; |
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97 } |
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98 |
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99 // ----------------------------------------------------------------------------- |
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100 // IHLBitmapUtil::CopyBitmapLC |
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101 // ----------------------------------------------------------------------------- |
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102 EXPORT_C CFbsBitmap* IHLBitmapUtil::CopyBitmapLC( const CFbsBitmap& aBitmap, const TRect& aRect ) |
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103 { |
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104 CFbsBitmap* bitmap = new (ELeave) CFbsBitmap(); |
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105 CleanupStack::PushL( bitmap ); |
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106 if( !aBitmap.Handle() ) |
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107 { |
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108 return bitmap; |
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109 } |
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110 |
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111 TSize clipSize( aRect.Size() ); |
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112 TSize sourceSize( aBitmap.SizeInPixels() ); |
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113 if( aRect.iTl.iX == aRect.iBr.iX || |
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114 aRect.iTl.iY == aRect.iBr.iY || |
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115 aRect.iTl.iX < 0 || |
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116 aRect.iTl.iX > sourceSize.iWidth || |
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117 aRect.iTl.iY < 0 || |
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118 aRect.iTl.iY > sourceSize.iHeight ) |
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119 { |
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120 User::Leave( KErrArgument ); |
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121 } |
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122 |
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123 TDisplayMode dispMode( aBitmap.DisplayMode() ); |
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124 User::LeaveIfError( bitmap->Create( clipSize, dispMode ) ); |
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125 |
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126 HBufC8* scanLine = HBufC8::NewLC( |
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127 aBitmap.ScanLineLength( clipSize.iWidth, dispMode ) ); |
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128 TPtr8 scanPtr( scanLine->Des() ); |
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129 |
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130 TPoint pp( aRect.iTl ); |
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131 for ( TInt y( 0 ); y < clipSize.iHeight; ++y, ++pp.iY ) |
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132 { |
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133 aBitmap.GetScanLine( scanPtr, pp, clipSize.iWidth, dispMode ); |
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134 bitmap->SetScanLine( scanPtr, y ); |
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135 } |
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136 |
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137 CleanupStack::PopAndDestroy(); // scanLine |
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138 return bitmap; |
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139 } |
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140 |
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141 // ----------------------------------------------------------------------------- |
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142 // IHLBitmapUtil::ScaleBitmap |
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143 // ----------------------------------------------------------------------------- |
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144 EXPORT_C TInt IHLBitmapUtil::ScaleBitmap( const CFbsBitmap& /*aSrcBitmap*/, |
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145 CFbsBitmap& /*aDstBitmap*/, |
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146 TUint32 /*aOptions*/ ) |
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147 { |
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148 return KErrNotSupported; |
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149 } |
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150 |
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151 // ----------------------------------------------------------------------------- |
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152 // IHLBitmapUtil::ScaleBitmap |
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153 // ----------------------------------------------------------------------------- |
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154 EXPORT_C TInt IHLBitmapUtil::ScaleBitmap( const CFbsBitmap& /*aSrcBitmap*/, |
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155 const TRect& /*aSrcRect*/, |
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156 CFbsBitmap& /*aDstBitmap*/, |
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157 const TRect& /*aDstRect*/, |
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158 TUint32 /*aOptions*/ ) |
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159 { |
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160 return KErrNotSupported; |
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161 } |
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162 |
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163 // End of File |