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1 /* |
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2 * Copyright (c) 2010 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 #include <s32file.h> |
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19 #include <bautils.h> |
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20 #include <pathinfo.h> |
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21 #include <apparc.h> |
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22 #include <imageconversion.h> |
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23 #include <textresolver.h> |
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24 #include <apgtask.h> |
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25 |
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26 #include <hblabel.h> |
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27 #include <hbmessagebox.h> |
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28 |
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29 #include "mainview.h" |
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30 #include "sgengine.h" |
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31 #include "enginewrapper.h" |
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32 #include "gifanimator.h" |
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33 |
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34 |
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35 #define SC_PRINTS |
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36 |
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37 #ifdef SC_PRINTS |
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38 #define SC_DEBUG(a) RDebug::Print(a) |
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39 #define SC_DEBUG2(a,b) RDebug::Print(a,b) |
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40 #else |
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41 #define SC_DEBUG(a) |
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42 #define SC_DEBUG2(a,b) |
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43 #endif |
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44 |
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45 |
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46 |
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47 |
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48 _LIT(KDefaultImageFileName, "Shot"); |
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49 _LIT(KDefaultVideoFileName, "Video"); |
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50 |
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51 #define HIGH_QUALITY_JPEG 97 |
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52 #define LOW_QUALITY_JPEG 60 |
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53 #define DEFAULT_SEQ_CAPTURE_DELAY_MS 5000 // 5.000 secs |
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54 #define VIDEO_CAPTURE_DELAY 250 // 0.25 secs |
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55 #define VIDEO_CAPTURE_MINIMUM_DELAY 200 // 0.20 secs |
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56 const TInt KSettingsDrive = EDriveC; |
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57 _LIT(KSettingsFileName, "screengrabber_settings.ini"); |
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58 _LIT(KScreenShotsSubDirectory, "Screen Shots\\"); |
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59 _LIT(KSGTemporaryDirectory, "\\system\\temp\\screengrabber\\"); |
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60 |
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61 |
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62 #define KEY_CAPTURE_PRIORITY 100 // do not change, this is for window server |
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63 |
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64 // --------------------------------------------------------------------------- |
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65 |
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66 SGEngine::SGEngine() : CActive(EPriorityStandard) |
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67 { |
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68 // No implementation required |
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69 } |
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70 |
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71 // --------------------------------------------------------------------------- |
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72 |
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73 SGEngine::~SGEngine() |
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74 { |
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75 |
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76 TRAP_IGNORE( CleanTemporaryFilesL() ); |
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77 |
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78 |
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79 if (iFrameImageData) |
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80 delete iFrameImageData; |
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81 |
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82 if (iPreviouslyCapturedBitmap) |
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83 delete iPreviouslyCapturedBitmap; |
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84 |
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85 if (iImageEncoder) |
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86 delete iImageEncoder; |
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87 |
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88 delete iVideoFrameArray; |
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89 |
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90 Cancel(); |
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91 iTimer.Close(); |
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92 |
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93 iFileSession.Close(); |
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94 |
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95 } |
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96 |
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97 // --------------------------------------------------------------------------- |
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98 |
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99 SGEngine* SGEngine::NewLC(EngineWrapper *aEngineWrapper) |
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100 { |
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101 SGEngine* self = new (ELeave) SGEngine(); |
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102 CleanupStack::PushL(self); |
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103 self->ConstructL(aEngineWrapper); |
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104 return self; |
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105 } |
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106 |
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107 // --------------------------------------------------------------------------- |
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108 |
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109 SGEngine* SGEngine::NewL(EngineWrapper *aEngineWrapper) |
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110 { |
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111 SGEngine* self = SGEngine::NewLC(aEngineWrapper); |
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112 CleanupStack::Pop(); // self; |
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113 return self; |
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114 } |
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115 |
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116 // --------------------------------------------------------------------------- |
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117 |
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118 void SGEngine::ConstructL(EngineWrapper *aEngineWrapper) |
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119 { |
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120 |
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121 iEngineWrapper = aEngineWrapper; |
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122 |
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123 iHashKeyCapturingActivated = EFalse; // Check this |
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124 |
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125 User::LeaveIfError(iTimer.CreateLocal()); |
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126 |
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127 iVideoFrameArray = new(ELeave) CVideoFrameArray(10000); |
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128 |
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129 iPreviouslyCapturedBitmap = new(ELeave) CFbsBitmap; |
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130 |
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131 iCapturingInProgress = EFalse; |
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132 iStopCapturing = EFalse; |
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133 iNumberOfTakenShots = 0; |
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134 iCurrentFrameNumber = 0; |
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135 iHashKeyDown = EFalse; |
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136 |
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137 |
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138 CActiveScheduler::Add(this); |
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139 User::LeaveIfError(iFileSession.Connect()); |
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140 |
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141 // create window group. |
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142 iRootWin = CEikonEnv::Static()->RootWin(); |
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143 iRootWin.EnableReceiptOfFocus(EFalse); |
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144 |
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145 } |
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146 |
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147 // --------------------------------------------------------------------------- |
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148 |
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149 void SGEngine::RunL(){ |
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150 |
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151 |
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152 SC_DEBUG(_L("SCREENGRABBER ------------------------------------------------------- RunL begin")); |
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153 |
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154 switch (iState) |
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155 { |
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156 // encoding of the image is now finished |
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157 case EEncodingImage: |
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158 { |
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159 if (iGrabSettings.iCaptureMode == ECaptureModeSingleCapture) |
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160 { |
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161 // single shot done |
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162 CapturingFinishedL( iStatus.Int() ); |
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163 } |
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164 |
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165 else if (iGrabSettings.iCaptureMode == ECaptureModeSequantialCapture) |
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166 { |
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167 // increase the counter |
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168 iNumberOfTakenShots++; |
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169 |
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170 // check if we can take more shots or just finish |
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171 if (!iStopCapturing && iStatus.Int()==KErrNone) |
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172 { |
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173 |
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174 // some delay before the next shot can be taken |
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175 iState = ESequenceDelay; |
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176 |
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177 // some checking that the value of delay is valid |
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178 TInt delay(iGrabSettings.iSequantialCaptureDelay); //ms |
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179 if (delay<0 && delay > 999999) |
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180 delay = DEFAULT_SEQ_CAPTURE_DELAY_MS; |
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181 |
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182 iTimer.After(iStatus, delay*1000); |
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183 SetActive(); |
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184 } |
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185 else |
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186 { |
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187 // finished |
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188 CapturingFinishedL( iStatus.Int() ); |
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189 } |
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190 } |
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191 else |
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192 User::Panic(_L("Wrong mode"), 32); |
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193 |
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194 break; |
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195 } |
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196 |
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197 // delay finished, ready to take the next shot |
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198 case ESequenceDelay: |
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199 { |
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200 TakeScreenShotAndSaveL(); |
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201 |
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202 break; |
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203 } |
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204 |
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205 // asked to cancel capturing |
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206 case ECancelCapturing: |
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207 { |
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208 // finished |
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209 CapturingFinishedL( iStatus.Int() ); |
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210 |
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211 break; |
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212 } |
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213 |
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214 case ENextVideoFrame: |
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215 { |
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216 // increase the counter |
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217 iCurrentFrameNumber++; |
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218 |
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219 // check if we can take more frames or just finish |
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220 if (!iStopCapturing && iStatus.Int()==KErrNone) |
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221 { |
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222 // take next frame |
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223 CaptureFrameForVideoL(); |
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224 } |
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225 else |
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226 { |
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227 // finished, save video |
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228 SaveVideoL( iStatus.Int() ); |
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229 } |
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230 } |
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231 break; |
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232 |
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233 case ECancelVideoCapturing: |
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234 { |
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235 // finished, save video |
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236 SaveVideoL( iStatus.Int() ); |
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237 } |
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238 break; |
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239 |
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240 |
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241 default: |
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242 { |
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243 break; |
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244 } |
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245 } |
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246 SC_DEBUG(_L("SCREENGRABBER ------------------------------------------------------- RunL end")); |
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247 |
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248 |
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249 } |
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250 |
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251 |
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252 void SGEngine::EnableRcpOfFoc(TBool aState) |
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253 { |
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254 iRootWin.EnableReceiptOfFocus(aState); |
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255 } |
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256 |
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257 |
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258 // --------------------------------------------------------------------------- |
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259 |
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260 void SGEngine::DoCancel(){ |
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261 iTimer.Cancel(); |
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262 } |
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263 |
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264 // --------------------------------------------------------------------------- |
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265 |
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266 void SGEngine::LoadDFSValueL(CDictionaryFileStore* aDicFS, const TUid& aUid, TInt& aValue) |
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267 { |
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268 if (aDicFS->IsPresentL(aUid)) |
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269 { |
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270 RDictionaryReadStream in; |
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271 in.OpenLC(*aDicFS, aUid); |
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272 aValue = in.ReadInt16L(); |
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273 CleanupStack::PopAndDestroy(); // in |
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274 } |
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275 } |
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276 |
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277 // --------------------------------------------------------------------------- |
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278 |
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279 void SGEngine::LoadDFSValueL(CDictionaryFileStore* aDicFS, const TUid& aUid, TDes& aValue) |
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280 { |
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281 if (aDicFS->IsPresentL(aUid)) |
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282 { |
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283 RDictionaryReadStream in; |
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284 in.OpenLC(*aDicFS, aUid); |
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285 TInt bufLength = in.ReadInt16L(); // get length of descriptor |
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286 in.ReadL(aValue, bufLength); // get the descriptor itself |
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287 CleanupStack::PopAndDestroy(); // in |
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288 } |
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289 } |
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290 // ---------------------------------------------------------------------------- |
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291 |
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292 void SGEngine::LoadSettingsL() |
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293 { |
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294 |
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295 // set defaults |
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296 iGrabSettings.iCaptureMode = ECaptureModeSingleCapture; |
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297 |
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298 iGrabSettings.iSingleCaptureHotkey = EHotkeySendKey; |
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299 iGrabSettings.iSingleCaptureImageFormat = EImageFormatPNG; |
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300 iGrabSettings.iSingleCaptureMemoryInUseMultiDrive = EPhoneMemory; |
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301 iGrabSettings.iSingleCaptureFileName.Copy( KDefaultImageFileName ); |
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302 |
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303 iGrabSettings.iSequantialCaptureHotkey = EHotkeySendKey; |
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304 iGrabSettings.iSequantialCaptureImageFormat = EImageFormatPNG; |
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305 iGrabSettings.iSequantialCaptureDelay = DEFAULT_SEQ_CAPTURE_DELAY_MS; |
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306 iGrabSettings.iSequantialCaptureMemoryInUseMultiDrive = EPhoneMemory; |
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307 iGrabSettings.iSequantialCaptureFileName.Copy( KDefaultImageFileName ); |
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308 |
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309 iGrabSettings.iVideoCaptureHotkey = EHotkeySendKey; |
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310 iGrabSettings.iVideoCaptureVideoFormat = EVideoFormatAnimatedGIF; |
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311 iGrabSettings.iVideoCaptureMemoryInUseMultiDrive = EPhoneMemory; |
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312 iGrabSettings.iVideoCaptureFileName.Copy( KDefaultVideoFileName ); |
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313 |
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314 |
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315 // make sure that the private path of this app in c-drive exists |
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316 |
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317 iFileSession.CreatePrivatePath( KSettingsDrive ); // c:\\private\\101fb751\\ |
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318 |
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319 // handle settings always in the private directory |
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320 |
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321 if (iFileSession.SetSessionToPrivate( KSettingsDrive ) == KErrNone) |
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322 { |
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323 // open or create a dictionary file store |
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324 CDictionaryFileStore* settingsStore = CDictionaryFileStore::OpenLC(iFileSession, KSettingsFileName, KUidScreenGrabber); |
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325 |
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326 LoadDFSValueL(settingsStore, KSGSettingCaptureMode, iGrabSettings.iCaptureMode); |
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327 |
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328 LoadDFSValueL(settingsStore, KSGSettingSingleCaptureHotkey, iGrabSettings.iSingleCaptureHotkey); |
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329 LoadDFSValueL(settingsStore, KSGSettingSingleCaptureImageFormat, iGrabSettings.iSingleCaptureImageFormat); |
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330 LoadDFSValueL(settingsStore, KSGSettingSingleCaptureMemoryInUseMultiDrive, iGrabSettings.iSingleCaptureMemoryInUseMultiDrive); |
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331 LoadDFSValueL(settingsStore, KSGSettingSingleCaptureFileName, iGrabSettings.iSingleCaptureFileName); |
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332 |
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333 LoadDFSValueL(settingsStore, KSGSettingSequantialCaptureHotkey, iGrabSettings.iSequantialCaptureHotkey); |
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334 LoadDFSValueL(settingsStore, KSGSettingSequantialCaptureImageFormat, iGrabSettings.iSequantialCaptureImageFormat); |
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335 LoadDFSValueL(settingsStore, KSGSettingSequantialCaptureDelay, iGrabSettings.iSequantialCaptureDelay); |
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336 LoadDFSValueL(settingsStore, KSGSettingSequantialCaptureMemoryInUseMultiDrive, iGrabSettings.iSequantialCaptureMemoryInUseMultiDrive); |
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337 LoadDFSValueL(settingsStore, KSGSettingSequantialCaptureFileName, iGrabSettings.iSequantialCaptureFileName); |
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338 |
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339 LoadDFSValueL(settingsStore, KSGSettingVideoCaptureHotkey, iGrabSettings.iVideoCaptureHotkey); |
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340 LoadDFSValueL(settingsStore, KSGSettingVideoCaptureVideoFormat, iGrabSettings.iVideoCaptureVideoFormat); |
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341 LoadDFSValueL(settingsStore, KSGSettingVideoCaptureMemoryInUseMultiDrive, iGrabSettings.iVideoCaptureMemoryInUseMultiDrive); |
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342 LoadDFSValueL(settingsStore, KSGSettingVideoCaptureFileName, iGrabSettings.iVideoCaptureFileName); |
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343 |
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344 CleanupStack::PopAndDestroy(); // settingsStore |
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345 } |
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346 //chesk if all settings are in range - for safety reason, not to set some controls out of range - it causes the crash |
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347 if (!(iGrabSettings.iCaptureMode >= ECaptureModeSingleCapture && iGrabSettings.iCaptureMode <= ECaptureModeVideoCapture)) |
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348 { //give it default value |
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349 iGrabSettings.iCaptureMode = ECaptureModeSingleCapture; |
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350 } |
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351 if (!(iGrabSettings.iSingleCaptureHotkey >= EHotkeySendKey && iGrabSettings.iSingleCaptureHotkey <= EHotkeyCameraKey1)) |
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352 { |
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353 iGrabSettings.iSingleCaptureHotkey = EHotkeySendKey; |
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354 } |
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355 if (!(iGrabSettings.iSingleCaptureImageFormat >= EImageFormatPNG && iGrabSettings.iSingleCaptureImageFormat <= EImageFormatGIF)) |
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356 { |
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357 iGrabSettings.iSingleCaptureImageFormat = EImageFormatPNG; |
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358 } |
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359 if (!(iGrabSettings.iSingleCaptureMemoryInUseMultiDrive >= EPhoneMemory && iGrabSettings.iSingleCaptureMemoryInUseMultiDrive <= EMemoryCard)) |
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360 { |
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361 iGrabSettings.iSingleCaptureMemoryInUseMultiDrive = EPhoneMemory; |
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362 } |
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363 |
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364 if (!(iGrabSettings.iSequantialCaptureHotkey >= EHotkeySendKey && iGrabSettings.iSequantialCaptureHotkey <= EHotkeyCameraKey1)) |
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365 { |
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366 iGrabSettings.iSequantialCaptureHotkey = EHotkeySendKey; |
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367 } |
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368 if (!(iGrabSettings.iSequantialCaptureImageFormat >= EImageFormatPNG && iGrabSettings.iSequantialCaptureImageFormat <= EImageFormatGIF)) |
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369 { |
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370 iGrabSettings.iSequantialCaptureImageFormat = EImageFormatPNG; |
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371 } |
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372 if (!(iGrabSettings.iSequantialCaptureMemoryInUseMultiDrive >= EPhoneMemory && iGrabSettings.iSequantialCaptureMemoryInUseMultiDrive <= EMemoryCard)) |
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373 { |
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374 iGrabSettings.iSequantialCaptureMemoryInUseMultiDrive = EPhoneMemory; |
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375 } |
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376 |
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377 if (!(iGrabSettings.iVideoCaptureHotkey >= EHotkeySendKey && iGrabSettings.iVideoCaptureHotkey <= EHotkeyCameraKey1)) |
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378 { |
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379 iGrabSettings.iVideoCaptureHotkey = EHotkeySendKey; |
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380 } |
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381 if (iGrabSettings.iVideoCaptureVideoFormat != EVideoFormatAnimatedGIF) |
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382 { |
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383 iGrabSettings.iVideoCaptureVideoFormat = EVideoFormatAnimatedGIF; |
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384 } |
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385 if (!(iGrabSettings.iVideoCaptureMemoryInUseMultiDrive >= EPhoneMemory && iGrabSettings.iVideoCaptureMemoryInUseMultiDrive <= EMemoryCard)) |
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386 { |
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387 iGrabSettings.iVideoCaptureMemoryInUseMultiDrive = EPhoneMemory; |
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388 } |
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389 |
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390 } |
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391 |
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392 // --------------------------------------------------------------------------- |
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393 |
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394 void SGEngine::SaveDFSValueL(CDictionaryFileStore* aDicFS, const TUid& aUid, const TInt& aValue) |
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395 { |
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396 RDictionaryWriteStream out; |
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397 out.AssignLC(*aDicFS, aUid); |
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398 out.WriteInt16L(aValue); |
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399 out.CommitL(); |
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400 CleanupStack::PopAndDestroy(1);// out |
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401 } |
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402 |
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403 // --------------------------------------------------------------------------- |
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404 |
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405 void SGEngine::SaveDFSValueL(CDictionaryFileStore* aDicFS, const TUid& aUid, const TDes& aValue) |
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406 { |
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407 RDictionaryWriteStream out; |
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408 out.AssignLC(*aDicFS, aUid); |
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409 out.WriteInt16L(aValue.Length()); // write length of the descriptor |
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410 out.WriteL(aValue, aValue.Length()); // write the descriptor itself |
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411 out.CommitL(); |
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412 CleanupStack::PopAndDestroy(1);// out |
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413 } |
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414 |
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415 // --------------------------------------------------------------------------- |
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416 void SGEngine::SaveSettingsL(TGrabSettings aGrabSettings) |
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417 { |
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418 |
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419 |
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420 // set the new settings |
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421 iGrabSettings = aGrabSettings; |
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422 |
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423 // handle settings always in c:\\private\\101fb751\\ |
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424 if (iFileSession.SetSessionToPrivate( KSettingsDrive ) == KErrNone) |
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425 { |
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426 // delete existing store to make sure that it is clean and not eg corrupted |
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427 if (BaflUtils::FileExists(iFileSession, KSettingsFileName)) |
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428 { |
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429 iFileSession.Delete(KSettingsFileName); |
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430 } |
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431 |
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432 // create a dictionary file store |
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433 CDictionaryFileStore* settingsStore = CDictionaryFileStore::OpenLC(iFileSession, KSettingsFileName, KUidScreenGrabber); |
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434 |
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435 SaveDFSValueL(settingsStore, KSGSettingCaptureMode, iGrabSettings.iCaptureMode); |
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436 |
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437 SaveDFSValueL(settingsStore, KSGSettingSingleCaptureHotkey, iGrabSettings.iSingleCaptureHotkey); |
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438 SaveDFSValueL(settingsStore, KSGSettingSingleCaptureImageFormat, iGrabSettings.iSingleCaptureImageFormat); |
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439 SaveDFSValueL(settingsStore, KSGSettingSingleCaptureMemoryInUseMultiDrive, iGrabSettings.iSingleCaptureMemoryInUseMultiDrive); |
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440 SaveDFSValueL(settingsStore, KSGSettingSingleCaptureFileName, iGrabSettings.iSingleCaptureFileName); |
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441 |
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442 SaveDFSValueL(settingsStore, KSGSettingSequantialCaptureHotkey, iGrabSettings.iSequantialCaptureHotkey); |
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443 SaveDFSValueL(settingsStore, KSGSettingSequantialCaptureImageFormat, iGrabSettings.iSequantialCaptureImageFormat); |
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444 SaveDFSValueL(settingsStore, KSGSettingSequantialCaptureDelay, iGrabSettings.iSequantialCaptureDelay); |
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445 SaveDFSValueL(settingsStore, KSGSettingSequantialCaptureMemoryInUseMultiDrive, iGrabSettings.iSequantialCaptureMemoryInUseMultiDrive); |
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446 SaveDFSValueL(settingsStore, KSGSettingSequantialCaptureFileName, iGrabSettings.iSequantialCaptureFileName); |
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447 |
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448 SaveDFSValueL(settingsStore, KSGSettingVideoCaptureHotkey, iGrabSettings.iVideoCaptureHotkey); |
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449 SaveDFSValueL(settingsStore, KSGSettingVideoCaptureVideoFormat, iGrabSettings.iVideoCaptureVideoFormat); |
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450 SaveDFSValueL(settingsStore, KSGSettingVideoCaptureMemoryInUseMultiDrive, iGrabSettings.iVideoCaptureMemoryInUseMultiDrive); |
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451 SaveDFSValueL(settingsStore, KSGSettingVideoCaptureFileName, iGrabSettings.iVideoCaptureFileName); |
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452 |
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453 settingsStore->CommitL(); |
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454 CleanupStack::PopAndDestroy(); // settingsStore |
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455 } |
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456 |
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457 } |
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458 |
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459 // --------------------------------------------------------------------------- |
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460 |
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461 void SGEngine::ActivateCaptureKeysL(TBool aChangeKey) |
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462 { |
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463 |
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464 // if changing the capture key, capturing needs to be cancelled first |
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465 if (aChangeKey) |
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466 { |
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467 CancelCapturing(); |
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468 } |
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469 |
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470 // get hotkey of the capture |
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471 TInt captureHotkey(0); |
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472 if (iGrabSettings.iCaptureMode == ECaptureModeSingleCapture) |
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473 captureHotkey = iGrabSettings.iSingleCaptureHotkey; |
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474 else if (iGrabSettings.iCaptureMode == ECaptureModeSequantialCapture) |
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475 captureHotkey = iGrabSettings.iSequantialCaptureHotkey; |
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476 else if (iGrabSettings.iCaptureMode == ECaptureModeVideoCapture) |
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477 captureHotkey = iGrabSettings.iVideoCaptureHotkey; |
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478 else |
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479 User::Panic(_L("Wrong mode"), 40); |
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480 |
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481 |
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482 |
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483 // start capturing based on user selected key |
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484 switch (captureHotkey) |
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485 { |
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486 case EHotkeySendKey: |
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487 { |
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488 iCapturedKey = iRootWin.CaptureKey(EStdKeyYes, EModifierCtrl|EModifierShift|EModifierFunc, 0, KEY_CAPTURE_PRIORITY); |
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489 iCapturedKeyUnD = iRootWin.CaptureKeyUpAndDowns(EStdKeyYes, EModifierCtrl|EModifierShift|EModifierFunc, 0, KEY_CAPTURE_PRIORITY); |
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490 break; |
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491 } |
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492 case EHotkeyPowerKey: |
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493 { |
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494 iCapturedKey = iRootWin.CaptureKey(EStdKeyDevice2, EModifierCtrl|EModifierShift|EModifierFunc, 0, KEY_CAPTURE_PRIORITY); |
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495 iCapturedKeyUnD = iRootWin.CaptureKeyUpAndDowns(EStdKeyDevice2, EModifierCtrl|EModifierShift|EModifierFunc, 0, KEY_CAPTURE_PRIORITY); |
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496 break; |
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497 } |
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498 case EHotkeySideKey: |
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499 { |
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500 iCapturedKey = iRootWin.CaptureKey(EStdKeyDevice6, EModifierCtrl|EModifierShift|EModifierFunc, 0, KEY_CAPTURE_PRIORITY); |
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501 iCapturedKeyUnD = iRootWin.CaptureKeyUpAndDowns(EStdKeyDevice6, EModifierCtrl|EModifierShift|EModifierFunc, 0, KEY_CAPTURE_PRIORITY); |
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502 break; |
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503 } |
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504 case EHotkeyCameraKey1: |
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505 { |
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506 iCapturedKey = iRootWin.CaptureKey(EStdKeyDevice7, EModifierCtrl|EModifierShift|EModifierFunc, 0, KEY_CAPTURE_PRIORITY); |
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507 iCapturedKeyUnD = iRootWin.CaptureKeyUpAndDowns(EStdKeyDevice7, EModifierCtrl|EModifierShift|EModifierFunc, 0, KEY_CAPTURE_PRIORITY); |
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508 break; |
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509 } |
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510 default: |
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511 { |
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512 User::Panic(_L("Key not supported"), 100); |
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513 break; |
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514 } |
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515 } |
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516 |
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517 } |
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518 |
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519 // --------------------------------------------------------------------------- |
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520 |
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521 |
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522 void SGEngine::CancelCapturing() |
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523 { |
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524 |
|
525 SC_DEBUG(_L("SCREENGRABBER ------------------------------------------------------- CancelCapturing start")); |
|
526 // cancel all captures |
|
527 iRootWin.CancelCaptureKey(iCapturedKey); |
|
528 iRootWin.CancelCaptureKeyUpAndDowns(iCapturedKeyUnD); |
|
529 |
|
530 if (iHashKeyCapturingActivated) |
|
531 { |
|
532 iRootWin.CancelCaptureKey(iCapturedKeyHash); |
|
533 iRootWin.CancelCaptureKeyUpAndDowns(iCapturedKeyHashUnD); |
|
534 |
|
535 iHashKeyCapturingActivated = EFalse; |
|
536 } |
|
537 |
|
538 SC_DEBUG(_L("SCREENGRABBER ------------------------------------------------------- CancelCapturing end")); |
|
539 |
|
540 } |
|
541 |
|
542 // --------------------------------------------------------------------------- |
|
543 |
|
544 bool SGEngine::TakeScreenShotAndSaveL() |
|
545 { |
|
546 |
|
547 SC_DEBUG(_L("SCREENGRABBER ------------------------------------------------------- TakeSsAndSave start")); |
|
548 if ( IsActive() ) |
|
549 { |
|
550 SC_DEBUG(_L("SCREENGRABBER ------------------------------------------------------- TakeSsAndSave already active, ignored")); |
|
551 return false; |
|
552 } |
|
553 |
|
554 // take a screen shot |
|
555 CWsScreenDevice* screenDevice = new( ELeave ) CWsScreenDevice(CEikonEnv::Static()->WsSession() ); |
|
556 CleanupStack::PushL( screenDevice ); |
|
557 |
|
558 User::LeaveIfError( screenDevice->Construct( CEikonEnv::Static()->WsSession().GetFocusScreen() ) ); |
|
559 |
|
560 |
|
561 User::LeaveIfError( iPreviouslyCapturedBitmap->Create(screenDevice->SizeInPixels(), screenDevice->DisplayMode()) ); |
|
562 User::LeaveIfError( screenDevice->CopyScreenToBitmap(iPreviouslyCapturedBitmap) ); |
|
563 CleanupStack::PopAndDestroy(); // screenDevice |
|
564 |
|
565 |
|
566 // get memory in use & image format of the screen capture |
|
567 TDriveNumber memoryInUse(EDriveC); |
|
568 TInt intMemInUse(0); |
|
569 TInt imageFormat(0); |
|
570 TFileName fileName; |
|
571 |
|
572 if (iGrabSettings.iCaptureMode == ECaptureModeSingleCapture) |
|
573 { |
|
574 // memoryInUse = iGrabSettings.iSingleCaptureMemoryInUseMultiDrive; |
|
575 intMemInUse = iGrabSettings.iSingleCaptureMemoryInUseMultiDrive; |
|
576 |
|
577 imageFormat = iGrabSettings.iSingleCaptureImageFormat; |
|
578 fileName = iGrabSettings.iSingleCaptureFileName; |
|
579 } |
|
580 else if (iGrabSettings.iCaptureMode == ECaptureModeSequantialCapture) |
|
581 { |
|
582 // memoryInUse = iGrabSettings.iSequantialCaptureMemoryInUseMultiDrive; |
|
583 intMemInUse = iGrabSettings.iSequantialCaptureMemoryInUseMultiDrive; |
|
584 |
|
585 imageFormat = iGrabSettings.iSequantialCaptureImageFormat; |
|
586 fileName = iGrabSettings.iSequantialCaptureFileName; |
|
587 } |
|
588 else |
|
589 User::Panic(_L("Wrong mode"), 30); |
|
590 |
|
591 |
|
592 // init the path for saving the file |
|
593 |
|
594 iSaveFileName.Copy( PathInfo::PhoneMemoryRootPath() ); |
|
595 |
|
596 // if (memoryInUse != EDriveC)//something different as PhoneMemory (memory card or mass memory) |
|
597 if (intMemInUse != 0)//something different as PhoneMemory (memory card or mass memory) |
|
598 { |
|
599 memoryInUse = EDriveY; |
|
600 if (PathInfo::GetRootPath(iSaveFileName, memoryInUse) != KErrNone || !DriveOK(memoryInUse)) |
|
601 { |
|
602 //we need to find first available memory card in EDriveE - EDriveY range |
|
603 for (TInt i = EDriveY; i>=EDriveE; i--) |
|
604 { |
|
605 if ( DriveOK((TDriveNumber)(i))) |
|
606 { |
|
607 if (IsDriveMMC((TDriveNumber)(i))) |
|
608 { |
|
609 PathInfo::GetRootPath(iSaveFileName, (TDriveNumber)(i)); |
|
610 break; |
|
611 } |
|
612 } |
|
613 } |
|
614 } |
|
615 } |
|
616 |
|
617 iSaveFileName.Append( PathInfo::ImagesPath() ); |
|
618 iSaveFileName.Append( KScreenShotsSubDirectory ); |
|
619 |
|
620 |
|
621 // a quick check that filename is valid |
|
622 if (fileName.Length() > 0 && fileName.Length() <= 255) |
|
623 iSaveFileName.Append( fileName ); |
|
624 else |
|
625 iSaveFileName.Append( KDefaultImageFileName ); |
|
626 |
|
627 iSaveFileName.Append( _L(".") ); |
|
628 |
|
629 |
|
630 // reset the encoder |
|
631 if (iImageEncoder) |
|
632 { |
|
633 delete iImageEncoder; |
|
634 iImageEncoder = NULL; |
|
635 } |
|
636 |
|
637 |
|
638 switch (imageFormat) |
|
639 { |
|
640 case EImageFormatPNG: |
|
641 { |
|
642 // set filename |
|
643 iSaveFileName.Append(_L("png")); |
|
644 CApaApplication::GenerateFileName(iFileSession, iSaveFileName ); // unique filename |
|
645 |
|
646 // init & convert |
|
647 iImageEncoder = CImageEncoder::FileNewL(iFileSession, iSaveFileName, CImageEncoder::EOptionAlwaysThread, KImageTypePNGUid); |
|
648 |
|
649 iImageEncoder->Convert( &iStatus, *iPreviouslyCapturedBitmap ); |
|
650 } |
|
651 break; |
|
652 |
|
653 case EImageFormatJPGHQ: |
|
654 case EImageFormatJPGLQ: |
|
655 { |
|
656 // reset frameimagedata |
|
657 if (iFrameImageData) |
|
658 { |
|
659 delete iFrameImageData; |
|
660 iFrameImageData = NULL; |
|
661 } |
|
662 |
|
663 // set filename |
|
664 iSaveFileName.Append(_L("jpg")); |
|
665 CApaApplication::GenerateFileName(iFileSession, iSaveFileName ); // unique filename |
|
666 |
|
667 // init |
|
668 iImageEncoder = CImageEncoder::FileNewL(iFileSession, iSaveFileName, CImageEncoder::EOptionAlwaysThread, KImageTypeJPGUid); |
|
669 |
|
670 // JPEG properties |
|
671 TJpegImageData* imageData = new(ELeave) TJpegImageData; |
|
672 imageData->iSampleScheme = TJpegImageData::EColor444; |
|
673 imageData->iQualityFactor = (imageFormat==EImageFormatJPGHQ) ? HIGH_QUALITY_JPEG : LOW_QUALITY_JPEG; |
|
674 iFrameImageData = CFrameImageData::NewL(); |
|
675 User::LeaveIfError(iFrameImageData->AppendImageData(imageData)); //ownership of imageData is transferred |
|
676 |
|
677 // convert |
|
678 iImageEncoder->Convert( &iStatus, *iPreviouslyCapturedBitmap, iFrameImageData ); |
|
679 } |
|
680 break; |
|
681 |
|
682 case EImageFormatBMP: |
|
683 { |
|
684 // set filename |
|
685 iSaveFileName.Append(_L("bmp")); |
|
686 CApaApplication::GenerateFileName(iFileSession, iSaveFileName ); // unique filename |
|
687 |
|
688 // init & convert |
|
689 iImageEncoder = CImageEncoder::FileNewL(iFileSession, iSaveFileName, CImageEncoder::EOptionAlwaysThread, KImageTypeBMPUid); |
|
690 iImageEncoder->Convert( &iStatus, *iPreviouslyCapturedBitmap ); |
|
691 } |
|
692 break; |
|
693 |
|
694 case EImageFormatGIF: |
|
695 { |
|
696 // set filename |
|
697 iSaveFileName.Append(_L("gif")); |
|
698 CApaApplication::GenerateFileName(iFileSession, iSaveFileName ); // unique filename |
|
699 |
|
700 // init & convert |
|
701 iImageEncoder = CImageEncoder::FileNewL(iFileSession, iSaveFileName, CImageEncoder::EOptionAlwaysThread, KImageTypeGIFUid); |
|
702 iImageEncoder->Convert( &iStatus, *iPreviouslyCapturedBitmap ); |
|
703 } |
|
704 break; |
|
705 |
|
706 case EImageFormatMBM: |
|
707 { |
|
708 // set filename |
|
709 iSaveFileName.Append(_L("mbm")); |
|
710 CApaApplication::GenerateFileName(iFileSession, iSaveFileName ); // unique filename |
|
711 |
|
712 // init & convert |
|
713 iImageEncoder = CImageEncoder::FileNewL(iFileSession, iSaveFileName, CImageEncoder::EOptionAlwaysThread, KImageTypeMBMUid); |
|
714 iImageEncoder->Convert( &iStatus, *iPreviouslyCapturedBitmap ); |
|
715 } |
|
716 break; |
|
717 |
|
718 default: |
|
719 { |
|
720 User::Panic(_L("Invalid Img Type"), 20); |
|
721 } |
|
722 } |
|
723 |
|
724 // set the state of the active object |
|
725 iState = EEncodingImage; |
|
726 |
|
727 // indicate an outstanding request |
|
728 SetActive(); |
|
729 SC_DEBUG(_L("SCREENGRABBER ------------------------------------------------------- TakeSsAndSave end")); |
|
730 return true; |
|
731 } |
|
732 |
|
733 // --------------------------------------------------------------------------- |
|
734 |
|
735 |
|
736 TBool SGEngine::DriveOK(TDriveNumber aNumber) |
|
737 { |
|
738 |
|
739 SC_DEBUG(_L("SCREENGRABBER ------------------------------------------------------- Driveok start")); |
|
740 TBool isOK(EFalse); |
|
741 |
|
742 TVolumeInfo vInfo; |
|
743 |
|
744 // check if we can access the drive |
|
745 if (iFileSession.Volume(vInfo, aNumber) == KErrNone) |
|
746 isOK = ETrue; |
|
747 |
|
748 // returns ETrue if memory card working properly |
|
749 SC_DEBUG(_L("SCREENGRABBER ------------------------------------------------------- DriveOK end")); |
|
750 return isOK; |
|
751 |
|
752 } |
|
753 // --------------------------------------------------------------------------- |
|
754 |
|
755 |
|
756 TBool SGEngine::IsDriveMMC(TDriveNumber aDrive) |
|
757 { |
|
758 SC_DEBUG(_L("SCREENGRABBER ------------------------------------------------------- IsDriveMMC start")); |
|
759 TBool isOK(EFalse); |
|
760 |
|
761 TDriveInfo ii; |
|
762 if (iFileSession.Drive(ii, aDrive)==KErrNone) |
|
763 { |
|
764 if (ii.iType!=EMediaNotPresent && |
|
765 ii.iType!=EMediaUnknown && |
|
766 ii.iType!=EMediaCdRom && |
|
767 ii.iType!=EMediaRom) |
|
768 { // memory card |
|
769 isOK=ETrue; |
|
770 } |
|
771 } |
|
772 |
|
773 |
|
774 SC_DEBUG(_L("SCREENGRABBER ------------------------------------------------------- IsDriveMMC end")); |
|
775 return isOK; |
|
776 } |
|
777 |
|
778 |
|
779 void SGEngine::CapturingFinishedL(TInt aErr) |
|
780 { |
|
781 |
|
782 SC_DEBUG(_L("SCREENGRABBER ------------------------------------------------------- CapturingFinished start")); |
|
783 // display a global query to show the results |
|
784 |
|
785 if (aErr == KErrNone) |
|
786 { |
|
787 switch (iGrabSettings.iCaptureMode) |
|
788 { |
|
789 case ECaptureModeSingleCapture: |
|
790 { |
|
791 iEngineWrapper->ShowImageCapturedNote(); |
|
792 } |
|
793 break; |
|
794 |
|
795 case ECaptureModeSequantialCapture: |
|
796 { |
|
797 iEngineWrapper->ShowSequantialImagesCapturedNote(iNumberOfTakenShots); |
|
798 } |
|
799 break; |
|
800 |
|
801 case ECaptureModeVideoCapture: |
|
802 { |
|
803 iEngineWrapper->ShowVideoCapturedNote(); |
|
804 } |
|
805 break; |
|
806 |
|
807 default: |
|
808 User::Panic(_L("Inv.capt.mode"), 51); |
|
809 break; |
|
810 } |
|
811 |
|
812 } |
|
813 else |
|
814 { |
|
815 |
|
816 // Get error message with CTextResolver |
|
817 CTextResolver* textResolver = CTextResolver::NewLC(); |
|
818 iEngineWrapper->ShowErrorMessage(textResolver->ResolveErrorString(aErr)); |
|
819 |
|
820 CleanupStack::PopAndDestroy(); //textResolver |
|
821 |
|
822 } |
|
823 |
|
824 // capturing can now be restarted |
|
825 iState = EIdle; |
|
826 iCapturingInProgress = EFalse; |
|
827 iStopCapturing = EFalse; |
|
828 |
|
829 // reset values |
|
830 iNumberOfTakenShots = 0; |
|
831 iCurrentFrameNumber = 0; |
|
832 iVideoFrameArray->Reset(); |
|
833 |
|
834 |
|
835 iState = EQueryDelay; |
|
836 iTimer.After(iStatus, 2000000); |
|
837 SetActive(); |
|
838 |
|
839 SC_DEBUG(_L("SCREENGRABBER ------------------------------------------------------- capturingfinished end")); |
|
840 |
|
841 } |
|
842 |
|
843 |
|
844 #if defined(HB_QT_S60_EVENT_FILTER) |
|
845 TBool SGEngine::HandleCaptureCommandsL(const TWsEvent* aEvent) |
|
846 { |
|
847 #else |
|
848 TBool SGEngine::HandleCaptureCommandsL(const QSymbianEvent *event) |
|
849 { |
|
850 if (event->type() != QSymbianEvent::WindowServerEvent) { |
|
851 return ETrue; //continueEventLoop |
|
852 } |
|
853 const TWsEvent *aEvent = event->windowServerEvent(); |
|
854 #endif |
|
855 |
|
856 SC_DEBUG(_L("SCREENGRABBER ------------------------------------------------------- HandleCaptureCommand start")); |
|
857 |
|
858 |
|
859 TBool continueEventLoop(ETrue); |
|
860 |
|
861 // get hotkey of the capture |
|
862 TInt captureHotkey(0); |
|
863 if (iGrabSettings.iCaptureMode == ECaptureModeSingleCapture) |
|
864 captureHotkey = iGrabSettings.iSingleCaptureHotkey; |
|
865 else if (iGrabSettings.iCaptureMode == ECaptureModeSequantialCapture) |
|
866 captureHotkey = iGrabSettings.iSequantialCaptureHotkey; |
|
867 else if (iGrabSettings.iCaptureMode == ECaptureModeVideoCapture) |
|
868 captureHotkey = iGrabSettings.iVideoCaptureHotkey; |
|
869 else |
|
870 User::Panic(_L("Wrong mode"), 41); |
|
871 |
|
872 // ignore any errors |
|
873 if (aEvent->Type()==EEventErrorMessage) |
|
874 { |
|
875 // error |
|
876 } |
|
877 |
|
878 |
|
879 // handle captured keys, we are interested here only of the keydown events |
|
880 else |
|
881 |
|
882 if ( |
|
883 ( captureHotkey == EHotkeySendKey && |
|
884 aEvent->Type()==EEventKeyDown && aEvent->Key()->iScanCode==EStdKeyYes ) |
|
885 || |
|
886 ( captureHotkey == EHotkeyPowerKey && |
|
887 aEvent->Type()==EEventKeyDown && aEvent->Key()->iScanCode==EStdKeyDevice2 ) |
|
888 || |
|
889 ( captureHotkey == EHotkeySideKey && |
|
890 aEvent->Type()==EEventKeyDown && aEvent->Key()->iScanCode==EStdKeyDevice6 ) |
|
891 || |
|
892 ( captureHotkey == EHotkeyCameraKey1 && |
|
893 aEvent->Type()==EEventKeyDown && aEvent->Key()->iScanCode==EStdKeyDevice7 ) |
|
894 ) |
|
895 { |
|
896 |
|
897 // check if already capturing images in sequence |
|
898 if ( iCapturingInProgress && !iStopCapturing && iNumberOfTakenShots!=0 && iGrabSettings.iCaptureMode == ECaptureModeSequantialCapture ) |
|
899 { |
|
900 // asking to stop capturing |
|
901 iStopCapturing = ETrue; |
|
902 |
|
903 // cancel the active object, this will cancel any timer delays and ICL stuff |
|
904 Cancel(); |
|
905 |
|
906 // set status |
|
907 iState = ECancelCapturing; |
|
908 |
|
909 // jump smoothly to RunL() |
|
910 iTimer.After(iStatus, 50); |
|
911 SetActive(); |
|
912 |
|
913 // do not continue the event loop in HandleWsEventL for these events |
|
914 continueEventLoop = EFalse; |
|
915 } |
|
916 |
|
917 // check if already capturing video |
|
918 else if ( iCapturingInProgress && !iStopCapturing && iGrabSettings.iCaptureMode == ECaptureModeVideoCapture ) |
|
919 { |
|
920 // asking to stop capturing |
|
921 iStopCapturing = ETrue; |
|
922 |
|
923 // cancel the active object, this will cancel any timer delays and ICL stuff |
|
924 Cancel(); |
|
925 |
|
926 // set status |
|
927 iState = ECancelVideoCapturing; |
|
928 |
|
929 // jump smoothly to RunL() |
|
930 iTimer.After(iStatus, 50); |
|
931 SetActive(); |
|
932 |
|
933 // do not continue the event loop in HandleWsEventL for these events |
|
934 continueEventLoop = EFalse; |
|
935 } |
|
936 else if (!iCapturingInProgress && (iGrabSettings.iCaptureMode == ECaptureModeSingleCapture || iGrabSettings.iCaptureMode == ECaptureModeSequantialCapture )) |
|
937 { |
|
938 |
|
939 // take a screen shot and save it |
|
940 if( TakeScreenShotAndSaveL()) |
|
941 { |
|
942 // not capturing anything, so start doing that |
|
943 iCapturingInProgress = ETrue; |
|
944 // do not continue the event loop in HandleWsEventL for these events |
|
945 continueEventLoop = EFalse; |
|
946 } |
|
947 } |
|
948 |
|
949 else if (!iCapturingInProgress && iGrabSettings.iCaptureMode == ECaptureModeVideoCapture ) |
|
950 { |
|
951 // not capturing anything, so start doing that |
|
952 iCapturingInProgress = ETrue; |
|
953 |
|
954 // clean temporary files |
|
955 TRAP_IGNORE( CleanTemporaryFilesL() ); |
|
956 |
|
957 // get initial dimensions for the video |
|
958 CWsScreenDevice* screenDevice = new(ELeave) CWsScreenDevice ( CEikonEnv::Static()->WsSession() ); |
|
959 CleanupStack::PushL(screenDevice); |
|
960 |
|
961 User::LeaveIfError( screenDevice->Construct( CEikonEnv::Static()->WsSession().GetFocusScreen() ) ); |
|
962 |
|
963 iVideoDimensions = screenDevice->SizeInPixels(); |
|
964 iPreviousFrameScreenDimension = screenDevice->SizeInPixels(); |
|
965 CleanupStack::PopAndDestroy(); // screenDevice |
|
966 |
|
967 // capture the first frame |
|
968 CaptureFrameForVideoL(); |
|
969 |
|
970 // do not continue the event loop in HandleWsEventL for these events |
|
971 continueEventLoop = EFalse; |
|
972 } |
|
973 |
|
974 } |
|
975 |
|
976 // catch other event types as well so that we can ignore them |
|
977 else if ( |
|
978 ( captureHotkey == EHotkeySendKey && |
|
979 aEvent->Key()->iScanCode==EStdKeyYes ) |
|
980 || |
|
981 ( captureHotkey == EHotkeyPowerKey && |
|
982 aEvent->Key()->iScanCode==EStdKeyDevice2 ) |
|
983 || |
|
984 ( captureHotkey == EHotkeySideKey && |
|
985 aEvent->Key()->iScanCode==EStdKeyDevice6 ) |
|
986 || |
|
987 ( captureHotkey == EHotkeyCameraKey1 && |
|
988 aEvent->Key()->iScanCode==EStdKeyDevice7 ) |
|
989 ) |
|
990 { |
|
991 // do not continue the event loop in HandleWsEventL for these events |
|
992 continueEventLoop = EFalse; |
|
993 } |
|
994 |
|
995 SC_DEBUG(_L("SCREENGRABBER ------------------------------------------------------- HandleCapturcommand end")); |
|
996 |
|
997 |
|
998 return continueEventLoop; |
|
999 |
|
1000 } |
|
1001 |
|
1002 // --------------------------------------------------------------------------- |
|
1003 |
|
1004 void SGEngine::CleanTemporaryFilesL() |
|
1005 { |
|
1006 |
|
1007 SC_DEBUG(_L("SCREENGRABBER ------------------------------------------------------- CleanTempFiles start")); |
|
1008 |
|
1009 // delete temporary files from C and D drives |
|
1010 CFileMan* fileMan = CFileMan::NewL(iFileSession); |
|
1011 |
|
1012 TFileName delFilesPath; |
|
1013 |
|
1014 for (TInt i=0; i<1; i++) |
|
1015 { |
|
1016 delFilesPath.Copy(KNullDesC); |
|
1017 delFilesPath.Append('C'+i); |
|
1018 delFilesPath.Append(_L(":")); |
|
1019 delFilesPath.Append(KSGTemporaryDirectory); |
|
1020 delFilesPath.Append(_L("*.$$$")); |
|
1021 |
|
1022 fileMan->Delete(delFilesPath); |
|
1023 } |
|
1024 |
|
1025 delete fileMan; |
|
1026 SC_DEBUG(_L("SCREENGRABBER ------------------------------------------------------- CleanTempfile end")); |
|
1027 |
|
1028 } |
|
1029 |
|
1030 // --------------------------------------------------------------------------- |
|
1031 |
|
1032 void SGEngine::ActivateModelL() |
|
1033 { |
|
1034 // clean temporary files |
|
1035 TRAP_IGNORE( CleanTemporaryFilesL() ); |
|
1036 |
|
1037 // load settings |
|
1038 TRAP_IGNORE( LoadSettingsL() ); |
|
1039 |
|
1040 // start capturing |
|
1041 ActivateCaptureKeysL(); |
|
1042 } |
|
1043 |
|
1044 // --------------------------------------------------------------------------- |
|
1045 |
|
1046 void SGEngine::DeActivateModelL() |
|
1047 { |
|
1048 |
|
1049 CancelCapturing(); |
|
1050 |
|
1051 // for a faster exit, send the application to background |
|
1052 TApaTask selfTask(CEikonEnv::Static()->WsSession()); |
|
1053 selfTask.SetWgId(iRootWin.Identifier()); |
|
1054 selfTask.SendToBackground(); |
|
1055 |
|
1056 |
|
1057 } |
|
1058 |
|
1059 // --------------------------------------------------------------------------- |
|
1060 |
|
1061 |
|
1062 void SGEngine::CaptureFrameForVideoL() |
|
1063 { |
|
1064 |
|
1065 SC_DEBUG(_L("SCREENGRABBER ------------------------------------------------------- CaptureFrameforvide start")); |
|
1066 // record time |
|
1067 TTime timeNow; |
|
1068 timeNow.HomeTime(); |
|
1069 |
|
1070 // take a screen shot |
|
1071 CFbsBitmap* currentCapturedBitmap = new(ELeave) CFbsBitmap; |
|
1072 CleanupStack::PushL(currentCapturedBitmap); |
|
1073 |
|
1074 CWsScreenDevice* screenDevice = new(ELeave) CWsScreenDevice( CEikonEnv::Static()->WsSession() ); |
|
1075 CleanupStack::PushL( screenDevice ); |
|
1076 User::LeaveIfError( screenDevice->Construct( CEikonEnv::Static()->WsSession().GetFocusScreen() ) ); |
|
1077 |
|
1078 TSize currentScreenSize = screenDevice->SizeInPixels(); |
|
1079 |
|
1080 User::LeaveIfError( currentCapturedBitmap->Create(currentScreenSize, EColor256) ); |
|
1081 User::LeaveIfError( screenDevice->CopyScreenToBitmap(currentCapturedBitmap) ); |
|
1082 CleanupStack::PopAndDestroy(); // screenDevice |
|
1083 |
|
1084 // grow video's dimensions if the size has changed |
|
1085 if (currentScreenSize.iWidth > iVideoDimensions.iWidth) |
|
1086 { |
|
1087 iVideoDimensions.iWidth = currentScreenSize.iWidth; |
|
1088 } |
|
1089 if (currentScreenSize.iHeight > iVideoDimensions.iHeight) |
|
1090 { |
|
1091 iVideoDimensions.iHeight = currentScreenSize.iHeight; |
|
1092 } |
|
1093 |
|
1094 TInt64 currentDelay(0); |
|
1095 |
|
1096 |
|
1097 // create a new frame |
|
1098 TVideoFrame frame; |
|
1099 frame.iDelay = 500; // use default delay 5.00 secs |
|
1100 |
|
1101 // get info of the RAM drive |
|
1102 TDriveNumber ramDrive = EDriveD; |
|
1103 TVolumeInfo ramDriveInfo; |
|
1104 iFileSession.Volume(ramDriveInfo, ramDrive); |
|
1105 |
|
1106 // init the directory for saving the file, preferably use ram drive if there is enough disk space, otherwise use always C drive |
|
1107 TFileName tempDirectory; |
|
1108 TFileName sessionPath; |
|
1109 |
|
1110 if (ramDriveInfo.iFree > (iVideoDimensions.iWidth*iVideoDimensions.iHeight+50000)) |
|
1111 sessionPath.Copy( _L("D:") ); |
|
1112 else |
|
1113 sessionPath.Copy( _L("C:") ); |
|
1114 |
|
1115 sessionPath.Append(KSGTemporaryDirectory); |
|
1116 tempDirectory.Copy(KSGTemporaryDirectory); |
|
1117 |
|
1118 iFileSession.MkDirAll(sessionPath); |
|
1119 iFileSession.SetSessionPath(sessionPath); |
|
1120 |
|
1121 // create a temp file, path to the bitmap is saved automatically to frame.iFileStorePath |
|
1122 RFile file; |
|
1123 User::LeaveIfError( file.Temp(iFileSession, tempDirectory, frame.iFileStorePath, EFileWrite) ); |
|
1124 RFileWriteStream writeStream(file); |
|
1125 |
|
1126 TBool ignoreFrame(EFalse); |
|
1127 |
|
1128 // check if is this the first frame |
|
1129 if (iCurrentFrameNumber == 0) |
|
1130 { |
|
1131 // first frame is always the full one |
|
1132 frame.iWidth = currentScreenSize.iWidth; |
|
1133 frame.iHeight = currentScreenSize.iHeight; |
|
1134 frame.iXPos = 0; |
|
1135 frame.iYPos = 0; |
|
1136 frame.iEnableTransparency = EFalse; |
|
1137 frame.iFillsWholeScreen = ETrue; |
|
1138 |
|
1139 currentCapturedBitmap->ExternalizeL(writeStream); |
|
1140 |
|
1141 } |
|
1142 |
|
1143 else |
|
1144 { |
|
1145 // next frame is a difference between the previous one |
|
1146 currentDelay = timeNow.MicroSecondsFrom(iPreviousFrameTaken).Int64(); |
|
1147 |
|
1148 // get reference to previos frame |
|
1149 TVideoFrame& prevFrame = iVideoFrameArray->At(iVideoFrameArray->Count()-1); |
|
1150 |
|
1151 |
|
1152 // check if video dimensions have changed |
|
1153 if (currentScreenSize.iWidth != iPreviousFrameScreenDimension.iWidth |
|
1154 || currentScreenSize.iHeight != iPreviousFrameScreenDimension.iHeight) |
|
1155 { |
|
1156 // dimensions have changed -> save a full bitmap |
|
1157 frame.iWidth = currentScreenSize.iWidth; |
|
1158 frame.iHeight = currentScreenSize.iHeight; |
|
1159 frame.iXPos = 0; |
|
1160 frame.iYPos = 0; |
|
1161 frame.iEnableTransparency = EFalse; |
|
1162 frame.iFillsWholeScreen = ETrue; |
|
1163 |
|
1164 currentCapturedBitmap->ExternalizeL(writeStream); |
|
1165 |
|
1166 // update the previous frame to contain the new delay value |
|
1167 prevFrame.iDelay = TUint( (double) currentDelay / 10000 ); |
|
1168 } |
|
1169 |
|
1170 else |
|
1171 { |
|
1172 // compare the bitmaps |
|
1173 HBufC8* curImgScanLineBuf = HBufC8::NewLC(currentScreenSize.iWidth*3); |
|
1174 TPtr8 curImgScanLinePtr = curImgScanLineBuf->Des(); |
|
1175 HBufC8* prevImgScanLineBuf = HBufC8::NewLC(currentScreenSize.iWidth*3); |
|
1176 TPtr8 prevImgScanLinePtr = prevImgScanLineBuf->Des(); |
|
1177 |
|
1178 TPoint pt(0,0); |
|
1179 TBool differenceFound(EFalse); |
|
1180 TPoint leftTopDifferencePoint(0,0); |
|
1181 TPoint rightBottomDifferencePoint(currentScreenSize.iWidth,currentScreenSize.iHeight); |
|
1182 |
|
1183 // scan the image from top to bottom |
|
1184 for (TInt i=0; i<currentScreenSize.iHeight; i++) |
|
1185 { |
|
1186 pt.iY = i; |
|
1187 |
|
1188 currentCapturedBitmap->GetScanLine(curImgScanLinePtr, pt, currentScreenSize.iWidth, EColor256); |
|
1189 iPreviouslyCapturedBitmap->GetScanLine(prevImgScanLinePtr, pt, currentScreenSize.iWidth, EColor256); |
|
1190 |
|
1191 if (curImgScanLinePtr != prevImgScanLinePtr) |
|
1192 { |
|
1193 differenceFound = ETrue; |
|
1194 |
|
1195 // get the y-coordinate |
|
1196 leftTopDifferencePoint.iY = i; |
|
1197 |
|
1198 break; |
|
1199 } |
|
1200 } |
|
1201 |
|
1202 if (differenceFound) |
|
1203 { |
|
1204 // now we know that there is some difference between those two captured frames, |
|
1205 // get the bottom value by scaning from bottom to top |
|
1206 for (TInt i=currentScreenSize.iHeight-1; i>=0; i--) |
|
1207 { |
|
1208 pt.iY = i; |
|
1209 |
|
1210 currentCapturedBitmap->GetScanLine(curImgScanLinePtr, pt, currentScreenSize.iWidth, EColor256); |
|
1211 iPreviouslyCapturedBitmap->GetScanLine(prevImgScanLinePtr, pt, currentScreenSize.iWidth, EColor256); |
|
1212 |
|
1213 if (curImgScanLinePtr != prevImgScanLinePtr) |
|
1214 { |
|
1215 // get the y-coordinate |
|
1216 rightBottomDifferencePoint.iY = i+1; |
|
1217 |
|
1218 break; |
|
1219 } |
|
1220 } |
|
1221 |
|
1222 // check that the height of the cropped image will be at least 1 |
|
1223 if (rightBottomDifferencePoint.iY <= leftTopDifferencePoint.iY) |
|
1224 rightBottomDifferencePoint.iY = leftTopDifferencePoint.iY+1; |
|
1225 |
|
1226 |
|
1227 // get also the x-coordinates by scanning vertical scan lines |
|
1228 HBufC8* curImgVerticalScanLineBuf = HBufC8::NewLC(currentScreenSize.iHeight*3); |
|
1229 TPtr8 curImgVerticalScanLinePtr = curImgScanLineBuf->Des(); |
|
1230 HBufC8* prevImgVerticalScanLineBuf = HBufC8::NewLC(currentScreenSize.iHeight*3); |
|
1231 TPtr8 prevImgVerticalScanLinePtr = prevImgScanLineBuf->Des(); |
|
1232 |
|
1233 // first scan by from left to right |
|
1234 for (TInt i=0; i<currentScreenSize.iWidth; i++) |
|
1235 { |
|
1236 currentCapturedBitmap->GetVerticalScanLine(curImgVerticalScanLinePtr, i, EColor256); |
|
1237 iPreviouslyCapturedBitmap->GetVerticalScanLine(prevImgVerticalScanLinePtr, i, EColor256); |
|
1238 |
|
1239 if (curImgVerticalScanLinePtr != prevImgVerticalScanLinePtr) |
|
1240 { |
|
1241 leftTopDifferencePoint.iX = i; |
|
1242 break; |
|
1243 } |
|
1244 } |
|
1245 |
|
1246 // finally scan from right to left |
|
1247 for (TInt i=currentScreenSize.iWidth-1; i>=0; i--) |
|
1248 { |
|
1249 currentCapturedBitmap->GetVerticalScanLine(curImgVerticalScanLinePtr, i, EColor256); |
|
1250 iPreviouslyCapturedBitmap->GetVerticalScanLine(prevImgVerticalScanLinePtr, i, EColor256); |
|
1251 |
|
1252 if (curImgVerticalScanLinePtr != prevImgVerticalScanLinePtr) |
|
1253 { |
|
1254 rightBottomDifferencePoint.iX = i+1; |
|
1255 break; |
|
1256 } |
|
1257 } |
|
1258 |
|
1259 CleanupStack::PopAndDestroy(2); //curImgVerticalScanLineBuf,prevImgVerticalScanLineBuf |
|
1260 |
|
1261 |
|
1262 // check that the width of the cropped image will be at least 1 |
|
1263 if (rightBottomDifferencePoint.iX <= leftTopDifferencePoint.iX) |
|
1264 rightBottomDifferencePoint.iX = leftTopDifferencePoint.iX+1; |
|
1265 |
|
1266 |
|
1267 // record dimensions and position of the image |
|
1268 frame.iWidth = rightBottomDifferencePoint.iX - leftTopDifferencePoint.iX; |
|
1269 frame.iHeight = rightBottomDifferencePoint.iY - leftTopDifferencePoint.iY; |
|
1270 frame.iXPos = leftTopDifferencePoint.iX; |
|
1271 frame.iYPos = leftTopDifferencePoint.iY; |
|
1272 frame.iEnableTransparency = ETrue; |
|
1273 frame.iFillsWholeScreen = EFalse; |
|
1274 |
|
1275 |
|
1276 // take a copy of the current frame |
|
1277 CFbsBitmap* workingBitmap = new(ELeave) CFbsBitmap; |
|
1278 CleanupStack::PushL(workingBitmap); |
|
1279 User::LeaveIfError( workingBitmap->Create(currentScreenSize, EColor256) ); |
|
1280 |
|
1281 HBufC8* tempScanLineBuf = HBufC8::NewLC(currentScreenSize.iWidth*3); |
|
1282 TPtr8 tempScanLinePtr = tempScanLineBuf->Des(); |
|
1283 |
|
1284 for (TInt i=0; i<currentScreenSize.iHeight; i++) |
|
1285 { |
|
1286 pt.iY = i; |
|
1287 currentCapturedBitmap->GetScanLine(tempScanLinePtr, pt, currentScreenSize.iWidth, EColor256); |
|
1288 workingBitmap->SetScanLine(tempScanLinePtr, i); |
|
1289 } |
|
1290 |
|
1291 CleanupStack::PopAndDestroy(); //tempScanLineBuf |
|
1292 |
|
1293 |
|
1294 // mark the non-changed areas with transparency color |
|
1295 TUint8* curPtr = NULL; |
|
1296 TUint8* prevPtr = NULL; |
|
1297 for (TInt i=frame.iYPos; i<frame.iYPos+frame.iHeight; i++) |
|
1298 { |
|
1299 pt.iY = i; |
|
1300 |
|
1301 workingBitmap->GetScanLine(curImgScanLinePtr, pt, currentScreenSize.iWidth, EColor256); |
|
1302 iPreviouslyCapturedBitmap->GetScanLine(prevImgScanLinePtr, pt, currentScreenSize.iWidth, EColor256); |
|
1303 |
|
1304 // check single pixels in the scanline |
|
1305 for (TInt j=frame.iXPos; j<frame.iXPos+frame.iWidth; j++) |
|
1306 { |
|
1307 curPtr = &curImgScanLinePtr[j]; |
|
1308 prevPtr = &prevImgScanLinePtr[j]; |
|
1309 |
|
1310 // check that our transparency index isn't already in use |
|
1311 if (curPtr[0] == TRANSPARENCY_INDEX) |
|
1312 curPtr[0] = TRANSPARENCY_ALTERNATIVE_INDEX; |
|
1313 |
|
1314 // replace with transparency index if there is no change compared to the previous frame |
|
1315 if (curPtr[0] == prevPtr[0]) |
|
1316 curPtr[0] = TRANSPARENCY_INDEX; |
|
1317 } |
|
1318 |
|
1319 // set new scanline |
|
1320 workingBitmap->SetScanLine(curImgScanLinePtr, i); |
|
1321 } |
|
1322 |
|
1323 |
|
1324 // externalize the bitmap |
|
1325 TRect changedRect(leftTopDifferencePoint, rightBottomDifferencePoint); |
|
1326 workingBitmap->ExternalizeRectangleL(writeStream, changedRect); |
|
1327 |
|
1328 CleanupStack::PopAndDestroy(); //workingBitmap |
|
1329 |
|
1330 // update the previous frame to contain the new delay value |
|
1331 prevFrame.iDelay = TUint( (double) currentDelay / 10000 ); |
|
1332 } |
|
1333 |
|
1334 else |
|
1335 { |
|
1336 // frames are identical, we can just ignore this one |
|
1337 ignoreFrame = ETrue; |
|
1338 } |
|
1339 |
|
1340 CleanupStack::PopAndDestroy(2); //curImgScanLineBuf,prevImgScanLineBuf |
|
1341 |
|
1342 } // if (videoDimensionsHaveChanged) |
|
1343 |
|
1344 } //if (iCurrentFrameNumber == 0) |
|
1345 |
|
1346 // close the stream |
|
1347 writeStream.CommitL(); |
|
1348 writeStream.Close(); |
|
1349 file.Close(); |
|
1350 |
|
1351 |
|
1352 if (ignoreFrame) |
|
1353 { |
|
1354 // delete the temp file since we don't need that |
|
1355 iFileSession.Delete(frame.iFileStorePath); |
|
1356 } |
|
1357 else |
|
1358 { |
|
1359 // remember for the next frame when this frame was taken |
|
1360 iPreviousFrameTaken = timeNow; |
|
1361 |
|
1362 // take a copy of currentCapturedBitmap to iPreviouslyCapturedBitmap |
|
1363 User::LeaveIfError( iPreviouslyCapturedBitmap->Create(iVideoDimensions, EColor256) ); |
|
1364 |
|
1365 TPoint pt(0,0); |
|
1366 HBufC8* tempScanLineBuf = HBufC8::NewMaxLC(iVideoDimensions.iWidth); |
|
1367 TPtr8 tempScanLinePtr = tempScanLineBuf->Des(); |
|
1368 |
|
1369 for (TInt i=0; i<iVideoDimensions.iHeight; i++) |
|
1370 { |
|
1371 pt.iY = i; |
|
1372 currentCapturedBitmap->GetScanLine(tempScanLinePtr, pt, iVideoDimensions.iWidth, EColor256); |
|
1373 iPreviouslyCapturedBitmap->SetScanLine(tempScanLinePtr, i); |
|
1374 } |
|
1375 |
|
1376 CleanupStack::PopAndDestroy(); //tempScanLineBuf |
|
1377 |
|
1378 // append frame information to the array |
|
1379 iVideoFrameArray->AppendL(frame); |
|
1380 |
|
1381 // remember screen size |
|
1382 iPreviousFrameScreenDimension = currentScreenSize; |
|
1383 } |
|
1384 |
|
1385 |
|
1386 CleanupStack::PopAndDestroy(); //currentCapturedBitmap |
|
1387 |
|
1388 |
|
1389 // set the state of the active object |
|
1390 iState = ENextVideoFrame; |
|
1391 |
|
1392 // check time spent on the work above (probably this is not so important) |
|
1393 TTime timeNow2; |
|
1394 timeNow2.HomeTime(); |
|
1395 TInt64 handlingDelay = timeNow2.MicroSecondsFrom(timeNow).Int64(); |
|
1396 |
|
1397 // calculate delay till next frame |
|
1398 TUint idealDelay = VIDEO_CAPTURE_DELAY*1000; |
|
1399 TInt usedDelay; |
|
1400 if (currentDelay > idealDelay) |
|
1401 usedDelay = idealDelay - (currentDelay - idealDelay) - handlingDelay; |
|
1402 else |
|
1403 usedDelay = idealDelay - handlingDelay; |
|
1404 |
|
1405 // check that the delay is atleast minimum delay anyway |
|
1406 if (usedDelay < VIDEO_CAPTURE_MINIMUM_DELAY*1000) |
|
1407 usedDelay = VIDEO_CAPTURE_MINIMUM_DELAY*1000; |
|
1408 |
|
1409 iTimer.After(iStatus, usedDelay); |
|
1410 |
|
1411 // indicate an outstanding request |
|
1412 SetActive(); |
|
1413 |
|
1414 SC_DEBUG(_L("SCREENGRABBER ------------------------------------------------------- Captureframeforvideo end")); |
|
1415 |
|
1416 } |
|
1417 |
|
1418 // --------------------------------------------------------------------------- |
|
1419 |
|
1420 void SGEngine::SaveVideoL(TInt aErr) |
|
1421 { |
|
1422 |
|
1423 SC_DEBUG(_L("SCREENGRABBER ------------------------------------------------------- SaveVideo start")); |
|
1424 |
|
1425 if (aErr) |
|
1426 CapturingFinishedL(aErr); |
|
1427 |
|
1428 else if (iGrabSettings.iVideoCaptureVideoFormat == EVideoFormatAnimatedGIF) |
|
1429 { |
|
1430 TInt err(KErrNone); |
|
1431 |
|
1432 |
|
1433 iSaveFileName.Copy( PathInfo::PhoneMemoryRootPath() ); |
|
1434 if (iGrabSettings.iVideoCaptureMemoryInUseMultiDrive != 0)//something different as PhoneMemory (memory card or mass memory) |
|
1435 { |
|
1436 if (PathInfo::GetRootPath(iSaveFileName,EDriveY) != KErrNone || !DriveOK(EDriveY)) |
|
1437 { |
|
1438 //we need to find first available memory card in EDriveE - EDriveY range |
|
1439 for (TInt i = EDriveY; i>=EDriveE; i--) |
|
1440 { |
|
1441 if ( DriveOK((TDriveNumber)(i))) |
|
1442 { |
|
1443 if (IsDriveMMC((TDriveNumber)(i))) |
|
1444 { |
|
1445 PathInfo::GetRootPath(iSaveFileName, (TDriveNumber)(i)); |
|
1446 break; |
|
1447 } |
|
1448 } |
|
1449 } |
|
1450 } |
|
1451 } |
|
1452 |
|
1453 |
|
1454 iSaveFileName.Append( PathInfo::ImagesPath() ); // animated gif is actually an image, not a video |
|
1455 iSaveFileName.Append( KScreenShotsSubDirectory ); |
|
1456 |
|
1457 // a quick check that filename is valid |
|
1458 if (iGrabSettings.iVideoCaptureFileName.Length() > 0 && iGrabSettings.iVideoCaptureFileName.Length() <= 255) |
|
1459 iSaveFileName.Append( iGrabSettings.iVideoCaptureFileName ); |
|
1460 else |
|
1461 iSaveFileName.Append( KDefaultVideoFileName ); |
|
1462 |
|
1463 iSaveFileName.Append( _L(".gif") ); |
|
1464 |
|
1465 CApaApplication::GenerateFileName(iFileSession, iSaveFileName ); // unique filename |
|
1466 |
|
1467 // create and save the gif animation |
|
1468 err = CGifAnimator::CreateGifAnimation(iSaveFileName, iVideoDimensions, iVideoFrameArray, *iEngineWrapper); |
|
1469 |
|
1470 // remove the saved file in case of errors since it's likely corrupted |
|
1471 if (err != KErrNone) |
|
1472 iFileSession.Delete(iSaveFileName); |
|
1473 |
|
1474 CapturingFinishedL(err); |
|
1475 } |
|
1476 |
|
1477 else |
|
1478 CapturingFinishedL(KErrNotSupported); |
|
1479 |
|
1480 SC_DEBUG(_L("SCREENGRABBER ------------------------------------------------------- SaveVideo end")); |
|
1481 } |
|
1482 // --------------------------------------------------------------------------- |
|
1483 |