1 /* |
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2 * Copyright (c) 2007 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: Implementation of CCamBuffer class. |
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15 * Temporary own implementation of MCameraBuffer. |
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16 * To be replaced by ECam CCameraBuffer. |
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17 * |
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18 */ |
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19 |
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20 |
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21 |
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22 #include <fbs.h> |
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23 |
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24 #include "camlogging.h" |
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25 #include "cambuffer.h" |
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26 |
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27 |
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28 // --------------------------------------------------------------------------- |
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29 // NewL |
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30 // Takes ownership of aData, but not aBitmap |
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31 // --------------------------------------------------------------------------- |
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32 // |
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33 CCamBuffer* |
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34 CCamBuffer::NewL( const CFbsBitmap& aBitmap, |
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35 HBufC8* aData ) |
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36 { |
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37 CCamBuffer* self = CCamBuffer::NewLC( aBitmap, aData ); |
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38 CleanupStack::Pop( self ); |
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39 return self; |
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40 } |
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41 |
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42 // --------------------------------------------------------------------------- |
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43 // NewLC |
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44 // Takes ownership of aData, but not aBitmap |
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45 // --------------------------------------------------------------------------- |
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46 // |
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47 CCamBuffer* |
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48 CCamBuffer::NewLC( const CFbsBitmap& aBitmap, |
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49 HBufC8* aData ) |
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50 { |
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51 CCamBuffer* self = new (ELeave) CCamBuffer; |
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52 CleanupStack::PushL( self ); |
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53 self->ConstructL( aBitmap, aData ); |
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54 return self; |
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55 } |
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56 |
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57 |
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58 // --------------------------------------------------------------------------- |
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59 // NewL |
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60 // Takes ownership of both objects. |
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61 // --------------------------------------------------------------------------- |
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62 // |
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63 CCamBuffer* |
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64 CCamBuffer::NewL( CFbsBitmap* aBitmap, |
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65 HBufC8* aData ) |
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66 { |
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67 CCamBuffer* self = CCamBuffer::NewLC( aBitmap, aData ); |
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68 CleanupStack::Pop( self ); |
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69 return self; |
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70 } |
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71 |
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72 // --------------------------------------------------------------------------- |
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73 // NewLC |
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74 // Takes ownership of both objects. |
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75 // --------------------------------------------------------------------------- |
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76 // |
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77 CCamBuffer* |
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78 CCamBuffer::NewLC( CFbsBitmap* aBitmap, |
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79 HBufC8* aData ) |
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80 { |
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81 CCamBuffer* self = new (ELeave) CCamBuffer; |
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82 CleanupStack::PushL( self ); |
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83 self->ConstructL( aBitmap, aData ); |
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84 return self; |
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85 } |
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86 |
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87 |
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88 // --------------------------------------------------------------------------- |
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89 // NumFrames |
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90 // |
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91 // Number of frames available in the buffer. |
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92 // --------------------------------------------------------------------------- |
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93 // |
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94 TInt |
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95 CCamBuffer::NumFrames() |
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96 { |
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97 return 1; |
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98 } |
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99 |
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100 |
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101 // --------------------------------------------------------------------------- |
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102 // DataL |
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103 // |
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104 // Frame data as descriptor. |
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105 // *not supported here* |
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106 // --------------------------------------------------------------------------- |
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107 // |
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108 TDesC8* |
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109 CCamBuffer::DataL( TInt aFrameIndex ) |
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110 { |
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111 if( aFrameIndex != 0 || !iImageData ) |
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112 User::Leave( KErrNotSupported ); |
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113 |
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114 return iImageData; |
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115 } |
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116 |
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117 // --------------------------------------------------------------------------- |
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118 // BitmapL |
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119 // |
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120 // Frame data as bitmap. |
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121 // --------------------------------------------------------------------------- |
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122 // |
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123 CFbsBitmap& |
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124 CCamBuffer::BitmapL( TInt aFrameIndex ) |
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125 { |
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126 if( aFrameIndex != 0 || !iBitmap ) |
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127 User::Leave( KErrNotFound ); |
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128 |
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129 return *iBitmap; |
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130 } |
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131 |
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132 // --------------------------------------------------------------------------- |
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133 // DataL |
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134 // |
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135 // Frame data as chunk. |
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136 // *not supported here* |
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137 // --------------------------------------------------------------------------- |
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138 // |
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139 RChunk& |
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140 CCamBuffer::ChunkL() |
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141 { |
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142 User::Leave( KErrNotSupported ); |
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143 |
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144 return iChunk; |
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145 } |
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146 |
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147 // --------------------------------------------------------------------------- |
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148 // ChunkOffsetL |
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149 // |
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150 // Frame data offset in chunk. |
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151 // *not supported here* |
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152 // --------------------------------------------------------------------------- |
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153 // |
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154 TInt |
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155 CCamBuffer::ChunkOffsetL( TInt /*aFrameIndex*/ ) |
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156 { |
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157 User::Leave( KErrNotSupported ); |
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158 |
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159 return 0; |
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160 } |
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161 |
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162 // --------------------------------------------------------------------------- |
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163 // FrameSize |
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164 // |
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165 // Frame data size. |
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166 // *not supported here, as only bitmap supported* |
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167 // --------------------------------------------------------------------------- |
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168 // |
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169 TInt |
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170 CCamBuffer::FrameSize( TInt /*aFrameIndex*/ ) |
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171 { |
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172 return -1; |
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173 } |
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174 |
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175 // --------------------------------------------------------------------------- |
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176 // Release |
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177 // |
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178 // Release this buffer. |
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179 // Simply deletes this object. |
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180 // --------------------------------------------------------------------------- |
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181 // |
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182 void |
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183 CCamBuffer::Release() |
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184 { |
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185 delete this; |
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186 } |
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187 |
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188 // =========================================================================== |
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189 |
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190 // --------------------------------------------------------------------------- |
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191 // ConstructL |
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192 // |
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193 // --------------------------------------------------------------------------- |
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194 // |
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195 void |
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196 CCamBuffer::ConstructL( const CFbsBitmap& aBitmap, |
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197 HBufC8* aData ) |
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198 { |
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199 PRINT( _L("CamTest => CCamBuffer::ConstructL") ); |
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200 |
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201 |
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202 iBitmap = new (ELeave) CFbsBitmap; |
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203 TInt error = iBitmap->Duplicate( aBitmap.Handle() ); |
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204 |
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205 iImageData = aData; |
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206 |
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207 PRINT1( _L("CamTest <> duplicate bitmap status(%d)"), error ); |
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208 |
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209 User::LeaveIfError( error ); |
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210 |
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211 PRINT( _L("CamTest <= CCamBuffer::ConstructL") ); |
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212 } |
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213 |
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214 // --------------------------------------------------------------------------- |
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215 // ConstructL |
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216 // |
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217 // --------------------------------------------------------------------------- |
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218 // |
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219 void |
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220 CCamBuffer::ConstructL( CFbsBitmap* aBitmap, |
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221 HBufC8* aData ) |
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222 { |
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223 PRINT( _L("CamTest => CCamBuffer::ConstructL") ); |
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224 |
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225 iImageData = aData; |
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226 iBitmap = aBitmap; |
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227 |
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228 PRINT( _L("CamTest <= CCamBuffer::ConstructL") ); |
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229 } |
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230 |
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231 |
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232 // --------------------------------------------------------------------------- |
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233 // Constructor |
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234 // |
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235 // --------------------------------------------------------------------------- |
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236 // |
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237 CCamBuffer::CCamBuffer() |
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238 : iBitmap( NULL ), |
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239 iImageData( NULL ), |
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240 iOwnBitmap( ETrue ), |
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241 iOwnData( ETrue ) |
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242 { |
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243 } |
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244 |
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245 // --------------------------------------------------------------------------- |
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246 // Destructor |
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247 // *private, because Release() is supposed to be used.* |
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248 // --------------------------------------------------------------------------- |
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249 // |
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250 CCamBuffer::~CCamBuffer() |
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251 { |
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252 PRINT( _L("CamTest => ~CCamBuffer") ); |
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253 |
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254 PRINT( _L("CamTest <> ~CCamBuffer: Close RChunk..") ); |
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255 iChunk.Close(); |
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256 PRINT( _L("CamTest <> ~CCamBuffer: delete CFbsBitmap..") ); |
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257 delete iBitmap; |
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258 PRINT( _L("CamTest <> ~CCamBuffer: delete HBufC8*..") ); |
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259 delete iImageData; |
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260 |
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261 PRINT( _L("CamTest <= ~CCamBuffer") ); |
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262 } |
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263 |
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264 |
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265 // end of file |
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