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1 /* |
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2 * Copyright (c) 2010 ISB. |
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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 the "Symbian Foundation 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.symbianfoundation.org/legal/sfl-v10.html". |
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8 * |
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9 * Initial Contributors: |
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10 * ISB - 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 #include <fbs.h> |
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19 #include "ecamwebcamerabuffer.h" |
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20 |
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21 |
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22 // --------------------------------------------------------------------------- |
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23 // NewL |
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24 // Takes ownership of aData, but not aBitmap |
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25 // --------------------------------------------------------------------------- |
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26 // |
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27 CWebCameraBuffer* CWebCameraBuffer::NewL(const CFbsBitmap& aBitmap, HBufC8* aData) |
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28 { |
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29 CWebCameraBuffer* self = CWebCameraBuffer::NewLC( aBitmap, aData ); |
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30 CleanupStack::Pop( self ); |
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31 return self; |
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32 } |
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33 |
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34 // --------------------------------------------------------------------------- |
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35 // NewLC |
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36 // Takes ownership of aData, but not aBitmap |
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37 // --------------------------------------------------------------------------- |
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38 // |
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39 CWebCameraBuffer* CWebCameraBuffer::NewLC(const CFbsBitmap& aBitmap, HBufC8* aData) |
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40 { |
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41 CWebCameraBuffer* self = new (ELeave) CWebCameraBuffer; |
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42 CleanupStack::PushL( self ); |
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43 self->ConstructL( aBitmap, aData ); |
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44 return self; |
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45 } |
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46 |
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47 |
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48 // --------------------------------------------------------------------------- |
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49 // NewL |
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50 // Takes ownership of both objects. |
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51 // --------------------------------------------------------------------------- |
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52 // |
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53 CWebCameraBuffer* CWebCameraBuffer::NewL(CFbsBitmap* aBitmap, HBufC8* aData) |
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54 { |
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55 CWebCameraBuffer* self = CWebCameraBuffer::NewLC( aBitmap, aData ); |
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56 CleanupStack::Pop( self ); |
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57 return self; |
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58 } |
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59 |
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60 // --------------------------------------------------------------------------- |
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61 // NewLC |
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62 // Takes ownership of both objects. |
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63 // --------------------------------------------------------------------------- |
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64 // |
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65 CWebCameraBuffer* CWebCameraBuffer::NewLC(CFbsBitmap* aBitmap, HBufC8* aData) |
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66 { |
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67 CWebCameraBuffer* self = new (ELeave) CWebCameraBuffer; |
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68 CleanupStack::PushL( self ); |
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69 self->ConstructL( aBitmap, aData ); |
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70 return self; |
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71 } |
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72 |
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73 // --------------------------------------------------------------------------- |
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74 // Constructor |
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75 // |
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76 // --------------------------------------------------------------------------- |
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77 // |
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78 CWebCameraBuffer::CWebCameraBuffer() |
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79 : iBitmap(NULL), |
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80 iImageData(NULL), |
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81 iOwnBitmap(ETrue), |
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82 iOwnData(ETrue) |
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83 { |
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84 } |
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85 |
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86 // --------------------------------------------------------------------------- |
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87 // Destructor |
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88 // *private, because Release() is supposed to be used.* |
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89 // --------------------------------------------------------------------------- |
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90 // |
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91 CWebCameraBuffer::~CWebCameraBuffer() |
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92 { |
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93 iChunk.Close(); |
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94 delete iBitmap; |
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95 delete iImageData; |
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96 } |
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97 |
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98 // --------------------------------------------------------------------------- |
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99 // ConstructL |
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100 // |
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101 // --------------------------------------------------------------------------- |
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102 // |
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103 void CWebCameraBuffer::ConstructL(const CFbsBitmap& aBitmap, HBufC8* aData) |
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104 { |
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105 iBitmap = new (ELeave) CFbsBitmap; |
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106 TInt error = iBitmap->Duplicate( aBitmap.Handle() ); |
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107 |
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108 iImageData = aData; |
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109 |
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110 User::LeaveIfError( error ); |
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111 } |
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112 |
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113 // --------------------------------------------------------------------------- |
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114 // ConstructL |
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115 // |
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116 // --------------------------------------------------------------------------- |
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117 // |
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118 void CWebCameraBuffer::ConstructL(CFbsBitmap* aBitmap, HBufC8* aData) |
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119 { |
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120 iImageData = aData; |
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121 iBitmap = aBitmap; |
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122 } |
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123 |
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124 // --------------------------------------------------------------------------- |
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125 // NumFrames |
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126 // |
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127 // Number of frames available in the buffer. |
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128 // --------------------------------------------------------------------------- |
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129 // |
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130 TInt |
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131 CWebCameraBuffer::NumFrames() |
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132 { |
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133 return 1; |
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134 } |
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135 |
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136 |
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137 // --------------------------------------------------------------------------- |
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138 // DataL |
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139 // |
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140 // Frame data as descriptor. |
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141 // *not supported here* |
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142 // --------------------------------------------------------------------------- |
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143 // |
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144 TDesC8* CWebCameraBuffer::DataL(TInt aFrameIndex) |
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145 { |
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146 if( aFrameIndex != 0 || !iImageData ) |
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147 { |
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148 User::Leave( KErrNotSupported ); |
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149 } |
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150 |
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151 return iImageData; |
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152 } |
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153 |
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154 // --------------------------------------------------------------------------- |
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155 // BitmapL |
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156 // |
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157 // Frame data as bitmap. |
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158 // --------------------------------------------------------------------------- |
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159 // |
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160 CFbsBitmap& CWebCameraBuffer::BitmapL(TInt aFrameIndex) |
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161 { |
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162 if( aFrameIndex != 0 || !iBitmap ) |
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163 { |
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164 User::Leave( KErrNotFound ); |
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165 } |
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166 |
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167 return *iBitmap; |
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168 } |
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169 |
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170 // --------------------------------------------------------------------------- |
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171 // DataL |
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172 // |
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173 // Frame data as chunk. |
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174 // *not supported here* |
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175 // --------------------------------------------------------------------------- |
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176 // |
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177 RChunk& CWebCameraBuffer::ChunkL() |
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178 { |
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179 User::Leave( KErrNotSupported ); |
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180 |
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181 return iChunk; |
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182 } |
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183 |
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184 // --------------------------------------------------------------------------- |
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185 // ChunkOffsetL |
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186 // |
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187 // Frame data offset in chunk. |
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188 // *not supported here* |
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189 // --------------------------------------------------------------------------- |
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190 // |
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191 TInt |
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192 CWebCameraBuffer::ChunkOffsetL(TInt /*aFrameIndex*/) |
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193 { |
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194 User::Leave( KErrNotSupported ); |
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195 |
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196 return 0; |
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197 } |
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198 |
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199 // --------------------------------------------------------------------------- |
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200 // FrameSize |
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201 // |
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202 // Frame data size. |
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203 // *not supported here, as only bitmap supported* |
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204 // --------------------------------------------------------------------------- |
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205 // |
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206 TInt CWebCameraBuffer::FrameSize(TInt /*aFrameIndex*/) |
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207 { |
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208 return -1; |
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209 } |
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210 |
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211 // --------------------------------------------------------------------------- |
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212 // Release |
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213 // |
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214 // Release this buffer. |
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215 // Simply deletes this object. |
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216 // --------------------------------------------------------------------------- |
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217 // |
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218 void CWebCameraBuffer::Release() |
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219 { |
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220 delete this; |
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221 } |
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222 |
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223 |
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224 // end of file |