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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 default: |
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241 { |
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242 break; |
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243 } |
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244 } |
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245 SC_DEBUG(_L("SCREENGRABBER ------------------------------------------------------- RunL end")); |
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246 |
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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 void SGEngine::EnableRcpOfFoc(TBool aState) |
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252 { |
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253 iRootWin.EnableReceiptOfFocus(aState); |
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254 } |
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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 void SGEngine::DoCancel(){ |
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260 iTimer.Cancel(); |
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261 } |
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262 |
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263 // --------------------------------------------------------------------------- |
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264 |
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265 void SGEngine::LoadDFSValueL(CDictionaryFileStore* aDicFS, const TUid& aUid, TInt& aValue) |
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266 { |
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267 if (aDicFS->IsPresentL(aUid)) |
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268 { |
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269 RDictionaryReadStream in; |
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270 in.OpenLC(*aDicFS, aUid); |
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271 aValue = in.ReadInt16L(); |
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272 CleanupStack::PopAndDestroy(); // in |
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273 } |
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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 void SGEngine::LoadDFSValueL(CDictionaryFileStore* aDicFS, const TUid& aUid, TDes& aValue) |
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279 { |
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280 if (aDicFS->IsPresentL(aUid)) |
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281 { |
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282 RDictionaryReadStream in; |
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283 in.OpenLC(*aDicFS, aUid); |
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284 TInt bufLength = in.ReadInt16L(); // get length of descriptor |
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285 in.ReadL(aValue, bufLength); // get the descriptor itself |
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286 CleanupStack::PopAndDestroy(); // in |
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287 } |
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288 } |
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289 // ---------------------------------------------------------------------------- |
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290 |
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291 void SGEngine::LoadSettingsL() |
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292 { |
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293 |
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294 // set defaults |
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295 iGrabSettings.iCaptureMode = ECaptureModeSingleCapture; |
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296 |
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297 iGrabSettings.iSingleCaptureHotkey = EHotkeySendKey; |
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298 iGrabSettings.iSingleCaptureImageFormat = EImageFormatPNG; |
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299 iGrabSettings.iSingleCaptureMemoryInUseMultiDrive = EPhoneMemory; |
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300 iGrabSettings.iSingleCaptureFileName.Copy( KDefaultImageFileName ); |
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301 |
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302 iGrabSettings.iSequantialCaptureHotkey = EHotkeySendKey; |
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303 iGrabSettings.iSequantialCaptureImageFormat = EImageFormatPNG; |
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304 iGrabSettings.iSequantialCaptureDelay = DEFAULT_SEQ_CAPTURE_DELAY_MS; |
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305 iGrabSettings.iSequantialCaptureMemoryInUseMultiDrive = EPhoneMemory; |
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306 iGrabSettings.iSequantialCaptureFileName.Copy( KDefaultImageFileName ); |
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307 |
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308 iGrabSettings.iVideoCaptureHotkey = EHotkeySendKey; |
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309 iGrabSettings.iVideoCaptureVideoFormat = EVideoFormatAnimatedGIF; |
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310 iGrabSettings.iVideoCaptureMemoryInUseMultiDrive = EPhoneMemory; |
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311 iGrabSettings.iVideoCaptureFileName.Copy( KDefaultVideoFileName ); |
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312 |
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313 |
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314 // make sure that the private path of this app in c-drive exists |
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315 |
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316 iFileSession.CreatePrivatePath( KSettingsDrive ); // c:\\private\\101fb751\\ |
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317 |
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318 // handle settings always in the private directory |
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319 |
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320 if (iFileSession.SetSessionToPrivate( KSettingsDrive ) == KErrNone) |
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321 { |
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322 // open or create a dictionary file store |
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323 CDictionaryFileStore* settingsStore = CDictionaryFileStore::OpenLC(iFileSession, KSettingsFileName, KUidScreenGrabber); |
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324 |
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325 LoadDFSValueL(settingsStore, KSGSettingCaptureMode, iGrabSettings.iCaptureMode); |
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326 |
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327 LoadDFSValueL(settingsStore, KSGSettingSingleCaptureHotkey, iGrabSettings.iSingleCaptureHotkey); |
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328 LoadDFSValueL(settingsStore, KSGSettingSingleCaptureImageFormat, iGrabSettings.iSingleCaptureImageFormat); |
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329 LoadDFSValueL(settingsStore, KSGSettingSingleCaptureMemoryInUseMultiDrive, iGrabSettings.iSingleCaptureMemoryInUseMultiDrive); |
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330 LoadDFSValueL(settingsStore, KSGSettingSingleCaptureFileName, iGrabSettings.iSingleCaptureFileName); |
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331 |
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332 LoadDFSValueL(settingsStore, KSGSettingSequantialCaptureHotkey, iGrabSettings.iSequantialCaptureHotkey); |
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333 LoadDFSValueL(settingsStore, KSGSettingSequantialCaptureImageFormat, iGrabSettings.iSequantialCaptureImageFormat); |
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334 LoadDFSValueL(settingsStore, KSGSettingSequantialCaptureDelay, iGrabSettings.iSequantialCaptureDelay); |
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335 LoadDFSValueL(settingsStore, KSGSettingSequantialCaptureMemoryInUseMultiDrive, iGrabSettings.iSequantialCaptureMemoryInUseMultiDrive); |
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336 LoadDFSValueL(settingsStore, KSGSettingSequantialCaptureFileName, iGrabSettings.iSequantialCaptureFileName); |
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337 |
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338 LoadDFSValueL(settingsStore, KSGSettingVideoCaptureHotkey, iGrabSettings.iVideoCaptureHotkey); |
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339 LoadDFSValueL(settingsStore, KSGSettingVideoCaptureVideoFormat, iGrabSettings.iVideoCaptureVideoFormat); |
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340 LoadDFSValueL(settingsStore, KSGSettingVideoCaptureMemoryInUseMultiDrive, iGrabSettings.iVideoCaptureMemoryInUseMultiDrive); |
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341 LoadDFSValueL(settingsStore, KSGSettingVideoCaptureFileName, iGrabSettings.iVideoCaptureFileName); |
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342 |
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343 CleanupStack::PopAndDestroy(); // settingsStore |
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344 } |
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345 //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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346 if (!(iGrabSettings.iCaptureMode >= ECaptureModeSingleCapture && iGrabSettings.iCaptureMode <= ECaptureModeVideoCapture)) |
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347 { //give it default value |
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348 iGrabSettings.iCaptureMode = ECaptureModeSingleCapture; |
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349 } |
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350 if (!(iGrabSettings.iSingleCaptureHotkey >= EHotkeySendKey && iGrabSettings.iSingleCaptureHotkey <= EHotkeyCameraKey1)) |
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351 { |
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352 iGrabSettings.iSingleCaptureHotkey = EHotkeySendKey; |
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353 } |
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354 if (!(iGrabSettings.iSingleCaptureImageFormat >= EImageFormatPNG && iGrabSettings.iSingleCaptureImageFormat <= EImageFormatGIF)) |
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355 { |
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356 iGrabSettings.iSingleCaptureImageFormat = EImageFormatPNG; |
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357 } |
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358 if (!(iGrabSettings.iSingleCaptureMemoryInUseMultiDrive >= EPhoneMemory && iGrabSettings.iSingleCaptureMemoryInUseMultiDrive <= EMemoryCard)) |
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359 { |
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360 iGrabSettings.iSingleCaptureMemoryInUseMultiDrive = EPhoneMemory; |
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361 } |
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362 |
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363 if (!(iGrabSettings.iSequantialCaptureHotkey >= EHotkeySendKey && iGrabSettings.iSequantialCaptureHotkey <= EHotkeyCameraKey1)) |
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364 { |
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365 iGrabSettings.iSequantialCaptureHotkey = EHotkeySendKey; |
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366 } |
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367 if (!(iGrabSettings.iSequantialCaptureImageFormat >= EImageFormatPNG && iGrabSettings.iSequantialCaptureImageFormat <= EImageFormatGIF)) |
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368 { |
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369 iGrabSettings.iSequantialCaptureImageFormat = EImageFormatPNG; |
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370 } |
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371 if (!(iGrabSettings.iSequantialCaptureMemoryInUseMultiDrive >= EPhoneMemory && iGrabSettings.iSequantialCaptureMemoryInUseMultiDrive <= EMemoryCard)) |
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372 { |
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373 iGrabSettings.iSequantialCaptureMemoryInUseMultiDrive = EPhoneMemory; |
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374 } |
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375 |
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376 if (!(iGrabSettings.iVideoCaptureHotkey >= EHotkeySendKey && iGrabSettings.iVideoCaptureHotkey <= EHotkeyCameraKey1)) |
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377 { |
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378 iGrabSettings.iVideoCaptureHotkey = EHotkeySendKey; |
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379 } |
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380 if (iGrabSettings.iVideoCaptureVideoFormat != EVideoFormatAnimatedGIF) |
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381 { |
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382 iGrabSettings.iVideoCaptureVideoFormat = EVideoFormatAnimatedGIF; |
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383 } |
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384 if (!(iGrabSettings.iVideoCaptureMemoryInUseMultiDrive >= EPhoneMemory && iGrabSettings.iVideoCaptureMemoryInUseMultiDrive <= EMemoryCard)) |
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385 { |
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386 iGrabSettings.iVideoCaptureMemoryInUseMultiDrive = EPhoneMemory; |
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387 } |
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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 void SGEngine::SaveDFSValueL(CDictionaryFileStore* aDicFS, const TUid& aUid, const TInt& aValue) |
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394 { |
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395 RDictionaryWriteStream out; |
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396 out.AssignLC(*aDicFS, aUid); |
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397 out.WriteInt16L(aValue); |
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398 out.CommitL(); |
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399 CleanupStack::PopAndDestroy(1);// out |
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400 } |
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401 |
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402 // --------------------------------------------------------------------------- |
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403 |
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404 void SGEngine::SaveDFSValueL(CDictionaryFileStore* aDicFS, const TUid& aUid, const TDes& aValue) |
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405 { |
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406 RDictionaryWriteStream out; |
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407 out.AssignLC(*aDicFS, aUid); |
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408 out.WriteInt16L(aValue.Length()); // write length of the descriptor |
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409 out.WriteL(aValue, aValue.Length()); // write the descriptor itself |
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410 out.CommitL(); |
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411 CleanupStack::PopAndDestroy(1);// out |
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412 } |
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413 |
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414 // --------------------------------------------------------------------------- |
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415 void SGEngine::SaveSettingsL(const TGrabSettings& aGrabSettings) |
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416 { |
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417 |
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418 |
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419 // set the new settings |
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420 iGrabSettings = aGrabSettings; |
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421 |
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422 // handle settings always in c:\\private\\101fb751\\ |
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423 if (iFileSession.SetSessionToPrivate( KSettingsDrive ) == KErrNone) |
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424 { |
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425 // delete existing store to make sure that it is clean and not eg corrupted |
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426 if (BaflUtils::FileExists(iFileSession, KSettingsFileName)) |
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427 { |
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428 iFileSession.Delete(KSettingsFileName); |
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429 } |
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430 |
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431 // create a dictionary file store |
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432 CDictionaryFileStore* settingsStore = CDictionaryFileStore::OpenLC(iFileSession, KSettingsFileName, KUidScreenGrabber); |
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433 |
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434 SaveDFSValueL(settingsStore, KSGSettingCaptureMode, iGrabSettings.iCaptureMode); |
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435 |
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436 SaveDFSValueL(settingsStore, KSGSettingSingleCaptureHotkey, iGrabSettings.iSingleCaptureHotkey); |
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437 SaveDFSValueL(settingsStore, KSGSettingSingleCaptureImageFormat, iGrabSettings.iSingleCaptureImageFormat); |
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438 SaveDFSValueL(settingsStore, KSGSettingSingleCaptureMemoryInUseMultiDrive, iGrabSettings.iSingleCaptureMemoryInUseMultiDrive); |
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439 SaveDFSValueL(settingsStore, KSGSettingSingleCaptureFileName, iGrabSettings.iSingleCaptureFileName); |
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440 |
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441 SaveDFSValueL(settingsStore, KSGSettingSequantialCaptureHotkey, iGrabSettings.iSequantialCaptureHotkey); |
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442 SaveDFSValueL(settingsStore, KSGSettingSequantialCaptureImageFormat, iGrabSettings.iSequantialCaptureImageFormat); |
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443 SaveDFSValueL(settingsStore, KSGSettingSequantialCaptureDelay, iGrabSettings.iSequantialCaptureDelay); |
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444 SaveDFSValueL(settingsStore, KSGSettingSequantialCaptureMemoryInUseMultiDrive, iGrabSettings.iSequantialCaptureMemoryInUseMultiDrive); |
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445 SaveDFSValueL(settingsStore, KSGSettingSequantialCaptureFileName, iGrabSettings.iSequantialCaptureFileName); |
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446 |
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447 SaveDFSValueL(settingsStore, KSGSettingVideoCaptureHotkey, iGrabSettings.iVideoCaptureHotkey); |
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448 SaveDFSValueL(settingsStore, KSGSettingVideoCaptureVideoFormat, iGrabSettings.iVideoCaptureVideoFormat); |
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449 SaveDFSValueL(settingsStore, KSGSettingVideoCaptureMemoryInUseMultiDrive, iGrabSettings.iVideoCaptureMemoryInUseMultiDrive); |
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450 SaveDFSValueL(settingsStore, KSGSettingVideoCaptureFileName, iGrabSettings.iVideoCaptureFileName); |
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451 |
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452 settingsStore->CommitL(); |
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453 CleanupStack::PopAndDestroy(); // settingsStore |
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454 } |
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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 void SGEngine::ActivateCaptureKeysL(TBool aChangeKey) |
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461 { |
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462 |
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463 // if changing the capture key, capturing needs to be cancelled first |
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464 if (aChangeKey) |
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465 { |
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466 CancelCapturing(); |
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467 } |
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468 |
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469 // get hotkey of the capture |
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470 TInt captureHotkey(0); |
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471 if (iGrabSettings.iCaptureMode == ECaptureModeSingleCapture) |
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472 captureHotkey = iGrabSettings.iSingleCaptureHotkey; |
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473 else if (iGrabSettings.iCaptureMode == ECaptureModeSequantialCapture) |
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474 captureHotkey = iGrabSettings.iSequantialCaptureHotkey; |
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475 else if (iGrabSettings.iCaptureMode == ECaptureModeVideoCapture) |
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476 captureHotkey = iGrabSettings.iVideoCaptureHotkey; |
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477 else |
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478 User::Panic(_L("Wrong mode"), 40); |
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479 |
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480 |
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481 |
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482 // start capturing based on user selected key |
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483 switch (captureHotkey) |
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484 { |
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485 case EHotkeySendKey: |
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486 { |
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487 iCapturedKey = iRootWin.CaptureKey(EStdKeyYes, EModifierCtrl|EModifierShift|EModifierFunc, 0, KEY_CAPTURE_PRIORITY); |
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488 iCapturedKeyUnD = iRootWin.CaptureKeyUpAndDowns(EStdKeyYes, EModifierCtrl|EModifierShift|EModifierFunc, 0, KEY_CAPTURE_PRIORITY); |
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489 break; |
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490 } |
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491 case EHotkeyPowerKey: |
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492 { |
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493 iCapturedKey = iRootWin.CaptureKey(EStdKeyDevice2, EModifierCtrl|EModifierShift|EModifierFunc, 0, KEY_CAPTURE_PRIORITY); |
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494 iCapturedKeyUnD = iRootWin.CaptureKeyUpAndDowns(EStdKeyDevice2, EModifierCtrl|EModifierShift|EModifierFunc, 0, KEY_CAPTURE_PRIORITY); |
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495 break; |
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496 } |
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497 case EHotkeySideKey: |
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498 { |
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499 iCapturedKey = iRootWin.CaptureKey(EStdKeyDevice6, EModifierCtrl|EModifierShift|EModifierFunc, 0, KEY_CAPTURE_PRIORITY); |
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500 iCapturedKeyUnD = iRootWin.CaptureKeyUpAndDowns(EStdKeyDevice6, EModifierCtrl|EModifierShift|EModifierFunc, 0, KEY_CAPTURE_PRIORITY); |
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501 break; |
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502 } |
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503 case EHotkeyCameraKey1: |
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504 { |
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505 iCapturedKey = iRootWin.CaptureKey(EStdKeyDevice7, EModifierCtrl|EModifierShift|EModifierFunc, 0, KEY_CAPTURE_PRIORITY); |
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506 iCapturedKeyUnD = iRootWin.CaptureKeyUpAndDowns(EStdKeyDevice7, EModifierCtrl|EModifierShift|EModifierFunc, 0, KEY_CAPTURE_PRIORITY); |
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507 break; |
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508 } |
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509 default: |
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510 { |
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511 User::Panic(_L("Key not supported"), 100); |
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512 break; |
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513 } |
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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 void SGEngine::CancelCapturing() |
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522 { |
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523 |
|
524 SC_DEBUG(_L("SCREENGRABBER ------------------------------------------------------- CancelCapturing start")); |
|
525 // cancel all captures |
|
526 iRootWin.CancelCaptureKey(iCapturedKey); |
|
527 iRootWin.CancelCaptureKeyUpAndDowns(iCapturedKeyUnD); |
|
528 |
|
529 if (iHashKeyCapturingActivated) |
|
530 { |
|
531 iRootWin.CancelCaptureKey(iCapturedKeyHash); |
|
532 iRootWin.CancelCaptureKeyUpAndDowns(iCapturedKeyHashUnD); |
|
533 |
|
534 iHashKeyCapturingActivated = EFalse; |
|
535 } |
|
536 |
|
537 SC_DEBUG(_L("SCREENGRABBER ------------------------------------------------------- CancelCapturing end")); |
|
538 |
|
539 } |
|
540 |
|
541 // --------------------------------------------------------------------------- |
|
542 |
|
543 bool SGEngine::TakeScreenShotAndSaveL() |
|
544 { |
|
545 |
|
546 SC_DEBUG(_L("SCREENGRABBER ------------------------------------------------------- TakeSsAndSave start")); |
|
547 if ( IsActive() ) |
|
548 { |
|
549 SC_DEBUG(_L("SCREENGRABBER ------------------------------------------------------- TakeSsAndSave already active, ignored")); |
|
550 return false; |
|
551 } |
|
552 |
|
553 // take a screen shot |
|
554 CWsScreenDevice* screenDevice = new( ELeave ) CWsScreenDevice(CEikonEnv::Static()->WsSession() ); |
|
555 CleanupStack::PushL( screenDevice ); |
|
556 |
|
557 User::LeaveIfError( screenDevice->Construct( CEikonEnv::Static()->WsSession().GetFocusScreen() ) ); |
|
558 |
|
559 |
|
560 User::LeaveIfError( iPreviouslyCapturedBitmap->Create(screenDevice->SizeInPixels(), screenDevice->DisplayMode()) ); |
|
561 User::LeaveIfError( screenDevice->CopyScreenToBitmap(iPreviouslyCapturedBitmap) ); |
|
562 CleanupStack::PopAndDestroy(); // screenDevice |
|
563 |
|
564 |
|
565 // get memory in use & image format of the screen capture |
|
566 TDriveNumber memoryInUse(EDriveC); |
|
567 TInt intMemInUse(0); |
|
568 TInt imageFormat(0); |
|
569 TFileName fileName; |
|
570 |
|
571 if (iGrabSettings.iCaptureMode == ECaptureModeSingleCapture) |
|
572 { |
|
573 // memoryInUse = iGrabSettings.iSingleCaptureMemoryInUseMultiDrive; |
|
574 intMemInUse = iGrabSettings.iSingleCaptureMemoryInUseMultiDrive; |
|
575 |
|
576 imageFormat = iGrabSettings.iSingleCaptureImageFormat; |
|
577 fileName = iGrabSettings.iSingleCaptureFileName; |
|
578 } |
|
579 else if (iGrabSettings.iCaptureMode == ECaptureModeSequantialCapture) |
|
580 { |
|
581 // memoryInUse = iGrabSettings.iSequantialCaptureMemoryInUseMultiDrive; |
|
582 intMemInUse = iGrabSettings.iSequantialCaptureMemoryInUseMultiDrive; |
|
583 |
|
584 imageFormat = iGrabSettings.iSequantialCaptureImageFormat; |
|
585 fileName = iGrabSettings.iSequantialCaptureFileName; |
|
586 } |
|
587 else |
|
588 User::Panic(_L("Wrong mode"), 30); |
|
589 |
|
590 |
|
591 // init the path for saving the file |
|
592 |
|
593 iSaveFileName.Copy( PathInfo::PhoneMemoryRootPath() ); |
|
594 |
|
595 // if (memoryInUse != EDriveC)//something different as PhoneMemory (memory card or mass memory) |
|
596 if (intMemInUse != 0)//something different as PhoneMemory (memory card or mass memory) |
|
597 { |
|
598 memoryInUse = EDriveY; |
|
599 if (PathInfo::GetRootPath(iSaveFileName, memoryInUse) != KErrNone || !DriveOK(memoryInUse)) |
|
600 { |
|
601 //we need to find first available memory card in EDriveE - EDriveY range |
|
602 for (TInt i = EDriveY; i>=EDriveE; i--) |
|
603 { |
|
604 if ( DriveOK((TDriveNumber)(i))) |
|
605 { |
|
606 if (IsDriveMMC((TDriveNumber)(i))) |
|
607 { |
|
608 PathInfo::GetRootPath(iSaveFileName, (TDriveNumber)(i)); |
|
609 break; |
|
610 } |
|
611 } |
|
612 } |
|
613 } |
|
614 } |
|
615 |
|
616 iSaveFileName.Append( PathInfo::ImagesPath() ); |
|
617 iSaveFileName.Append( KScreenShotsSubDirectory ); |
|
618 |
|
619 |
|
620 // a quick check that filename is valid |
|
621 if (fileName.Length() > 0 && fileName.Length() <= 255) |
|
622 iSaveFileName.Append( fileName ); |
|
623 else |
|
624 iSaveFileName.Append( KDefaultImageFileName ); |
|
625 |
|
626 iSaveFileName.Append( _L(".") ); |
|
627 |
|
628 |
|
629 // reset the encoder |
|
630 if (iImageEncoder) |
|
631 { |
|
632 delete iImageEncoder; |
|
633 iImageEncoder = NULL; |
|
634 } |
|
635 |
|
636 |
|
637 switch (imageFormat) |
|
638 { |
|
639 case EImageFormatPNG: |
|
640 { |
|
641 // set filename |
|
642 iSaveFileName.Append(_L("png")); |
|
643 CApaApplication::GenerateFileName(iFileSession, iSaveFileName ); // unique filename |
|
644 |
|
645 // init & convert |
|
646 iImageEncoder = CImageEncoder::FileNewL(iFileSession, iSaveFileName, CImageEncoder::EOptionAlwaysThread, KImageTypePNGUid); |
|
647 |
|
648 iImageEncoder->Convert( &iStatus, *iPreviouslyCapturedBitmap ); |
|
649 } |
|
650 break; |
|
651 |
|
652 case EImageFormatJPGHQ: |
|
653 case EImageFormatJPGLQ: |
|
654 { |
|
655 // reset frameimagedata |
|
656 if (iFrameImageData) |
|
657 { |
|
658 delete iFrameImageData; |
|
659 iFrameImageData = NULL; |
|
660 } |
|
661 |
|
662 // set filename |
|
663 iSaveFileName.Append(_L("jpg")); |
|
664 CApaApplication::GenerateFileName(iFileSession, iSaveFileName ); // unique filename |
|
665 |
|
666 // init |
|
667 iImageEncoder = CImageEncoder::FileNewL(iFileSession, iSaveFileName, CImageEncoder::EOptionAlwaysThread, KImageTypeJPGUid); |
|
668 |
|
669 // JPEG properties |
|
670 TJpegImageData* imageData = new(ELeave) TJpegImageData; |
|
671 imageData->iSampleScheme = TJpegImageData::EColor444; |
|
672 imageData->iQualityFactor = (imageFormat==EImageFormatJPGHQ) ? HIGH_QUALITY_JPEG : LOW_QUALITY_JPEG; |
|
673 iFrameImageData = CFrameImageData::NewL(); |
|
674 User::LeaveIfError(iFrameImageData->AppendImageData(imageData)); //ownership of imageData is transferred |
|
675 |
|
676 // convert |
|
677 iImageEncoder->Convert( &iStatus, *iPreviouslyCapturedBitmap, iFrameImageData ); |
|
678 } |
|
679 break; |
|
680 |
|
681 case EImageFormatBMP: |
|
682 { |
|
683 // set filename |
|
684 iSaveFileName.Append(_L("bmp")); |
|
685 CApaApplication::GenerateFileName(iFileSession, iSaveFileName ); // unique filename |
|
686 |
|
687 // init & convert |
|
688 iImageEncoder = CImageEncoder::FileNewL(iFileSession, iSaveFileName, CImageEncoder::EOptionAlwaysThread, KImageTypeBMPUid); |
|
689 iImageEncoder->Convert( &iStatus, *iPreviouslyCapturedBitmap ); |
|
690 } |
|
691 break; |
|
692 |
|
693 case EImageFormatGIF: |
|
694 { |
|
695 // set filename |
|
696 iSaveFileName.Append(_L("gif")); |
|
697 CApaApplication::GenerateFileName(iFileSession, iSaveFileName ); // unique filename |
|
698 |
|
699 // init & convert |
|
700 iImageEncoder = CImageEncoder::FileNewL(iFileSession, iSaveFileName, CImageEncoder::EOptionAlwaysThread, KImageTypeGIFUid); |
|
701 iImageEncoder->Convert( &iStatus, *iPreviouslyCapturedBitmap ); |
|
702 } |
|
703 break; |
|
704 |
|
705 case EImageFormatMBM: |
|
706 { |
|
707 // set filename |
|
708 iSaveFileName.Append(_L("mbm")); |
|
709 CApaApplication::GenerateFileName(iFileSession, iSaveFileName ); // unique filename |
|
710 |
|
711 // init & convert |
|
712 iImageEncoder = CImageEncoder::FileNewL(iFileSession, iSaveFileName, CImageEncoder::EOptionAlwaysThread, KImageTypeMBMUid); |
|
713 iImageEncoder->Convert( &iStatus, *iPreviouslyCapturedBitmap ); |
|
714 } |
|
715 break; |
|
716 |
|
717 default: |
|
718 { |
|
719 User::Panic(_L("Invalid Img Type"), 20); |
|
720 } |
|
721 } |
|
722 |
|
723 // set the state of the active object |
|
724 iState = EEncodingImage; |
|
725 |
|
726 // indicate an outstanding request |
|
727 SetActive(); |
|
728 SC_DEBUG(_L("SCREENGRABBER ------------------------------------------------------- TakeSsAndSave end")); |
|
729 return true; |
|
730 } |
|
731 |
|
732 // --------------------------------------------------------------------------- |
|
733 |
|
734 |
|
735 TBool SGEngine::DriveOK(TDriveNumber aNumber) |
|
736 { |
|
737 |
|
738 SC_DEBUG(_L("SCREENGRABBER ------------------------------------------------------- Driveok start")); |
|
739 TBool isOK(EFalse); |
|
740 |
|
741 TVolumeInfo vInfo; |
|
742 |
|
743 // check if we can access the drive |
|
744 if (iFileSession.Volume(vInfo, aNumber) == KErrNone) |
|
745 isOK = ETrue; |
|
746 |
|
747 // returns ETrue if memory card working properly |
|
748 SC_DEBUG(_L("SCREENGRABBER ------------------------------------------------------- DriveOK end")); |
|
749 return isOK; |
|
750 |
|
751 } |
|
752 // --------------------------------------------------------------------------- |
|
753 |
|
754 |
|
755 TBool SGEngine::IsDriveMMC(TDriveNumber aDrive) |
|
756 { |
|
757 SC_DEBUG(_L("SCREENGRABBER ------------------------------------------------------- IsDriveMMC start")); |
|
758 TBool isOK(EFalse); |
|
759 |
|
760 TDriveInfo ii; |
|
761 if (iFileSession.Drive(ii, aDrive)==KErrNone) |
|
762 { |
|
763 if (ii.iType!=EMediaNotPresent && |
|
764 ii.iType!=EMediaUnknown && |
|
765 ii.iType!=EMediaCdRom && |
|
766 ii.iType!=EMediaRom) |
|
767 { // memory card |
|
768 isOK=ETrue; |
|
769 } |
|
770 } |
|
771 |
|
772 |
|
773 SC_DEBUG(_L("SCREENGRABBER ------------------------------------------------------- IsDriveMMC end")); |
|
774 return isOK; |
|
775 } |
|
776 |
|
777 |
|
778 void SGEngine::CapturingFinishedL(TInt aErr) |
|
779 { |
|
780 |
|
781 SC_DEBUG(_L("SCREENGRABBER ------------------------------------------------------- CapturingFinished start")); |
|
782 // display a global query to show the results |
|
783 |
|
784 if (aErr == KErrNone) |
|
785 { |
|
786 switch (iGrabSettings.iCaptureMode) |
|
787 { |
|
788 case ECaptureModeSingleCapture: |
|
789 { |
|
790 iEngineWrapper->ShowImageCapturedNote(); |
|
791 } |
|
792 break; |
|
793 |
|
794 case ECaptureModeSequantialCapture: |
|
795 { |
|
796 iEngineWrapper->ShowSequantialImagesCapturedNote(iNumberOfTakenShots); |
|
797 } |
|
798 break; |
|
799 |
|
800 case ECaptureModeVideoCapture: |
|
801 { |
|
802 iEngineWrapper->ShowVideoCapturedNote(); |
|
803 } |
|
804 break; |
|
805 |
|
806 default: |
|
807 User::Panic(_L("Inv.capt.mode"), 51); |
|
808 break; |
|
809 } |
|
810 |
|
811 } |
|
812 else |
|
813 { |
|
814 |
|
815 // Get error message with CTextResolver |
|
816 CTextResolver* textResolver = CTextResolver::NewLC(); |
|
817 iEngineWrapper->ShowErrorMessage(textResolver->ResolveErrorString(aErr)); |
|
818 |
|
819 CleanupStack::PopAndDestroy(); //textResolver |
|
820 |
|
821 } |
|
822 |
|
823 // capturing can now be restarted |
|
824 iState = EIdle; |
|
825 iCapturingInProgress = EFalse; |
|
826 iStopCapturing = EFalse; |
|
827 |
|
828 // reset values |
|
829 iNumberOfTakenShots = 0; |
|
830 iCurrentFrameNumber = 0; |
|
831 iVideoFrameArray->Reset(); |
|
832 |
|
833 |
|
834 iState = EQueryDelay; |
|
835 iTimer.After(iStatus, 2000000); |
|
836 SetActive(); |
|
837 |
|
838 SC_DEBUG(_L("SCREENGRABBER ------------------------------------------------------- capturingfinished end")); |
|
839 |
|
840 } |
|
841 |
|
842 |
|
843 #if defined(HB_QT_S60_EVENT_FILTER) |
|
844 TBool SGEngine::HandleCaptureCommandsL(const TWsEvent* aEvent) |
|
845 { |
|
846 #else |
|
847 TBool SGEngine::HandleCaptureCommandsL(const QSymbianEvent *event) |
|
848 { |
|
849 if (event->type() != QSymbianEvent::WindowServerEvent) { |
|
850 return ETrue; //continueEventLoop |
|
851 } |
|
852 const TWsEvent *aEvent = event->windowServerEvent(); |
|
853 #endif |
|
854 |
|
855 SC_DEBUG(_L("SCREENGRABBER ------------------------------------------------------- HandleCaptureCommand start")); |
|
856 |
|
857 |
|
858 TBool continueEventLoop(ETrue); |
|
859 |
|
860 // get hotkey of the capture |
|
861 TInt captureHotkey(0); |
|
862 if (iGrabSettings.iCaptureMode == ECaptureModeSingleCapture) |
|
863 captureHotkey = iGrabSettings.iSingleCaptureHotkey; |
|
864 else if (iGrabSettings.iCaptureMode == ECaptureModeSequantialCapture) |
|
865 captureHotkey = iGrabSettings.iSequantialCaptureHotkey; |
|
866 else if (iGrabSettings.iCaptureMode == ECaptureModeVideoCapture) |
|
867 captureHotkey = iGrabSettings.iVideoCaptureHotkey; |
|
868 else |
|
869 User::Panic(_L("Wrong mode"), 41); |
|
870 |
|
871 // ignore any errors |
|
872 if (aEvent->Type()==EEventErrorMessage) |
|
873 { |
|
874 // error |
|
875 } |
|
876 |
|
877 |
|
878 // handle captured keys, we are interested here only of the keydown events |
|
879 else |
|
880 |
|
881 if ( |
|
882 ( captureHotkey == EHotkeySendKey && |
|
883 aEvent->Type()==EEventKeyDown && aEvent->Key()->iScanCode==EStdKeyYes ) |
|
884 || |
|
885 ( captureHotkey == EHotkeyPowerKey && |
|
886 aEvent->Type()==EEventKeyDown && aEvent->Key()->iScanCode==EStdKeyDevice2 ) |
|
887 || |
|
888 ( captureHotkey == EHotkeySideKey && |
|
889 aEvent->Type()==EEventKeyDown && aEvent->Key()->iScanCode==EStdKeyDevice6 ) |
|
890 || |
|
891 ( captureHotkey == EHotkeyCameraKey1 && |
|
892 aEvent->Type()==EEventKeyDown && aEvent->Key()->iScanCode==EStdKeyDevice7 ) |
|
893 ) |
|
894 { |
|
895 |
|
896 // check if already capturing images in sequence |
|
897 if ( iCapturingInProgress && !iStopCapturing && iNumberOfTakenShots!=0 && iGrabSettings.iCaptureMode == ECaptureModeSequantialCapture ) |
|
898 { |
|
899 // asking to stop capturing |
|
900 iStopCapturing = ETrue; |
|
901 |
|
902 // cancel the active object, this will cancel any timer delays and ICL stuff |
|
903 Cancel(); |
|
904 |
|
905 // set status |
|
906 iState = ECancelCapturing; |
|
907 |
|
908 // jump smoothly to RunL() |
|
909 iTimer.After(iStatus, 50); |
|
910 SetActive(); |
|
911 |
|
912 // do not continue the event loop in HandleWsEventL for these events |
|
913 continueEventLoop = EFalse; |
|
914 } |
|
915 |
|
916 // check if already capturing video |
|
917 else if ( iCapturingInProgress && !iStopCapturing && iGrabSettings.iCaptureMode == ECaptureModeVideoCapture ) |
|
918 { |
|
919 // asking to stop capturing |
|
920 iStopCapturing = ETrue; |
|
921 |
|
922 // cancel the active object, this will cancel any timer delays and ICL stuff |
|
923 Cancel(); |
|
924 |
|
925 // set status |
|
926 iState = ECancelVideoCapturing; |
|
927 |
|
928 // jump smoothly to RunL() |
|
929 iTimer.After(iStatus, 50); |
|
930 SetActive(); |
|
931 |
|
932 // do not continue the event loop in HandleWsEventL for these events |
|
933 continueEventLoop = EFalse; |
|
934 } |
|
935 else if (!iCapturingInProgress && (iGrabSettings.iCaptureMode == ECaptureModeSingleCapture || iGrabSettings.iCaptureMode == ECaptureModeSequantialCapture )) |
|
936 { |
|
937 |
|
938 // take a screen shot and save it |
|
939 if( TakeScreenShotAndSaveL()) |
|
940 { |
|
941 // not capturing anything, so start doing that |
|
942 iCapturingInProgress = ETrue; |
|
943 // do not continue the event loop in HandleWsEventL for these events |
|
944 continueEventLoop = EFalse; |
|
945 } |
|
946 } |
|
947 |
|
948 else if (!iCapturingInProgress && iGrabSettings.iCaptureMode == ECaptureModeVideoCapture ) |
|
949 { |
|
950 // not capturing anything, so start doing that |
|
951 iCapturingInProgress = ETrue; |
|
952 |
|
953 // clean temporary files |
|
954 TRAP_IGNORE( CleanTemporaryFilesL() ); |
|
955 |
|
956 // get initial dimensions for the video |
|
957 CWsScreenDevice* screenDevice = new(ELeave) CWsScreenDevice ( CEikonEnv::Static()->WsSession() ); |
|
958 CleanupStack::PushL(screenDevice); |
|
959 |
|
960 User::LeaveIfError( screenDevice->Construct( CEikonEnv::Static()->WsSession().GetFocusScreen() ) ); |
|
961 |
|
962 iVideoDimensions = screenDevice->SizeInPixels(); |
|
963 iPreviousFrameScreenDimension = screenDevice->SizeInPixels(); |
|
964 CleanupStack::PopAndDestroy(); // screenDevice |
|
965 |
|
966 // capture the first frame |
|
967 CaptureFrameForVideoL(); |
|
968 |
|
969 // do not continue the event loop in HandleWsEventL for these events |
|
970 continueEventLoop = EFalse; |
|
971 } |
|
972 |
|
973 } |
|
974 |
|
975 // catch other event types as well so that we can ignore them |
|
976 else if ( |
|
977 ( captureHotkey == EHotkeySendKey && |
|
978 aEvent->Key()->iScanCode==EStdKeyYes ) |
|
979 || |
|
980 ( captureHotkey == EHotkeyPowerKey && |
|
981 aEvent->Key()->iScanCode==EStdKeyDevice2 ) |
|
982 || |
|
983 ( captureHotkey == EHotkeySideKey && |
|
984 aEvent->Key()->iScanCode==EStdKeyDevice6 ) |
|
985 || |
|
986 ( captureHotkey == EHotkeyCameraKey1 && |
|
987 aEvent->Key()->iScanCode==EStdKeyDevice7 ) |
|
988 ) |
|
989 { |
|
990 // do not continue the event loop in HandleWsEventL for these events |
|
991 continueEventLoop = EFalse; |
|
992 } |
|
993 |
|
994 SC_DEBUG(_L("SCREENGRABBER ------------------------------------------------------- HandleCapturcommand end")); |
|
995 |
|
996 |
|
997 return continueEventLoop; |
|
998 |
|
999 } |
|
1000 |
|
1001 // --------------------------------------------------------------------------- |
|
1002 |
|
1003 void SGEngine::CleanTemporaryFilesL() |
|
1004 { |
|
1005 |
|
1006 SC_DEBUG(_L("SCREENGRABBER ------------------------------------------------------- CleanTempFiles start")); |
|
1007 |
|
1008 // delete temporary files from C and D drives |
|
1009 CFileMan* fileMan = CFileMan::NewL(iFileSession); |
|
1010 |
|
1011 TFileName delFilesPath; |
|
1012 |
|
1013 for (TInt i=0; i<1; i++) |
|
1014 { |
|
1015 delFilesPath.Copy(KNullDesC); |
|
1016 delFilesPath.Append('C'+i); |
|
1017 delFilesPath.Append(_L(":")); |
|
1018 delFilesPath.Append(KSGTemporaryDirectory); |
|
1019 delFilesPath.Append(_L("*.$$$")); |
|
1020 |
|
1021 fileMan->Delete(delFilesPath); |
|
1022 } |
|
1023 |
|
1024 delete fileMan; |
|
1025 SC_DEBUG(_L("SCREENGRABBER ------------------------------------------------------- CleanTempfile end")); |
|
1026 |
|
1027 } |
|
1028 |
|
1029 // --------------------------------------------------------------------------- |
|
1030 |
|
1031 void SGEngine::ActivateModelL() |
|
1032 { |
|
1033 // clean temporary files |
|
1034 TRAP_IGNORE( CleanTemporaryFilesL() ); |
|
1035 |
|
1036 // load settings |
|
1037 TRAP_IGNORE( LoadSettingsL() ); |
|
1038 |
|
1039 // start capturing |
|
1040 ActivateCaptureKeysL(); |
|
1041 } |
|
1042 |
|
1043 // --------------------------------------------------------------------------- |
|
1044 |
|
1045 void SGEngine::DeActivateModelL() |
|
1046 { |
|
1047 |
|
1048 CancelCapturing(); |
|
1049 |
|
1050 // for a faster exit, send the application to background |
|
1051 TApaTask selfTask(CEikonEnv::Static()->WsSession()); |
|
1052 selfTask.SetWgId(iRootWin.Identifier()); |
|
1053 selfTask.SendToBackground(); |
|
1054 |
|
1055 |
|
1056 } |
|
1057 |
|
1058 // --------------------------------------------------------------------------- |
|
1059 |
|
1060 |
|
1061 void SGEngine::CaptureFrameForVideoL() |
|
1062 { |
|
1063 |
|
1064 SC_DEBUG(_L("SCREENGRABBER ------------------------------------------------------- CaptureFrameforvide start")); |
|
1065 // record time |
|
1066 TTime timeNow; |
|
1067 timeNow.HomeTime(); |
|
1068 |
|
1069 // take a screen shot |
|
1070 CFbsBitmap* currentCapturedBitmap = new(ELeave) CFbsBitmap; |
|
1071 CleanupStack::PushL(currentCapturedBitmap); |
|
1072 |
|
1073 CWsScreenDevice* screenDevice = new(ELeave) CWsScreenDevice( CEikonEnv::Static()->WsSession() ); |
|
1074 CleanupStack::PushL( screenDevice ); |
|
1075 User::LeaveIfError( screenDevice->Construct( CEikonEnv::Static()->WsSession().GetFocusScreen() ) ); |
|
1076 |
|
1077 TSize currentScreenSize = screenDevice->SizeInPixels(); |
|
1078 |
|
1079 User::LeaveIfError( currentCapturedBitmap->Create(currentScreenSize, EColor256) ); |
|
1080 User::LeaveIfError( screenDevice->CopyScreenToBitmap(currentCapturedBitmap) ); |
|
1081 CleanupStack::PopAndDestroy(); // screenDevice |
|
1082 |
|
1083 // grow video's dimensions if the size has changed |
|
1084 if (currentScreenSize.iWidth > iVideoDimensions.iWidth) |
|
1085 { |
|
1086 iVideoDimensions.iWidth = currentScreenSize.iWidth; |
|
1087 } |
|
1088 if (currentScreenSize.iHeight > iVideoDimensions.iHeight) |
|
1089 { |
|
1090 iVideoDimensions.iHeight = currentScreenSize.iHeight; |
|
1091 } |
|
1092 |
|
1093 TInt64 currentDelay(0); |
|
1094 |
|
1095 |
|
1096 // create a new frame |
|
1097 TVideoFrame frame; |
|
1098 frame.iDelay = 500; // use default delay 5.00 secs |
|
1099 |
|
1100 // get info of the RAM drive |
|
1101 TDriveNumber ramDrive = EDriveD; |
|
1102 TVolumeInfo ramDriveInfo; |
|
1103 iFileSession.Volume(ramDriveInfo, ramDrive); |
|
1104 |
|
1105 // init the directory for saving the file, preferably use ram drive if there is enough disk space, otherwise use always C drive |
|
1106 TFileName tempDirectory; |
|
1107 TFileName sessionPath; |
|
1108 |
|
1109 if (ramDriveInfo.iFree > (iVideoDimensions.iWidth*iVideoDimensions.iHeight+50000)) |
|
1110 sessionPath.Copy( _L("D:") ); |
|
1111 else |
|
1112 sessionPath.Copy( _L("C:") ); |
|
1113 |
|
1114 sessionPath.Append(KSGTemporaryDirectory); |
|
1115 tempDirectory.Copy(KSGTemporaryDirectory); |
|
1116 |
|
1117 iFileSession.MkDirAll(sessionPath); |
|
1118 iFileSession.SetSessionPath(sessionPath); |
|
1119 |
|
1120 // create a temp file, path to the bitmap is saved automatically to frame.iFileStorePath |
|
1121 RFile file; |
|
1122 User::LeaveIfError( file.Temp(iFileSession, tempDirectory, frame.iFileStorePath, EFileWrite) ); |
|
1123 RFileWriteStream writeStream(file); |
|
1124 |
|
1125 TBool ignoreFrame(EFalse); |
|
1126 |
|
1127 // check if is this the first frame |
|
1128 if (iCurrentFrameNumber == 0) |
|
1129 { |
|
1130 // first frame is always the full one |
|
1131 frame.iWidth = currentScreenSize.iWidth; |
|
1132 frame.iHeight = currentScreenSize.iHeight; |
|
1133 frame.iXPos = 0; |
|
1134 frame.iYPos = 0; |
|
1135 frame.iEnableTransparency = EFalse; |
|
1136 frame.iFillsWholeScreen = ETrue; |
|
1137 |
|
1138 currentCapturedBitmap->ExternalizeL(writeStream); |
|
1139 |
|
1140 } |
|
1141 |
|
1142 else |
|
1143 { |
|
1144 // next frame is a difference between the previous one |
|
1145 currentDelay = timeNow.MicroSecondsFrom(iPreviousFrameTaken).Int64(); |
|
1146 |
|
1147 // get reference to previos frame |
|
1148 TVideoFrame& prevFrame = iVideoFrameArray->At(iVideoFrameArray->Count()-1); |
|
1149 |
|
1150 |
|
1151 // check if video dimensions have changed |
|
1152 if (currentScreenSize.iWidth != iPreviousFrameScreenDimension.iWidth |
|
1153 || currentScreenSize.iHeight != iPreviousFrameScreenDimension.iHeight) |
|
1154 { |
|
1155 // dimensions have changed -> save a full bitmap |
|
1156 frame.iWidth = currentScreenSize.iWidth; |
|
1157 frame.iHeight = currentScreenSize.iHeight; |
|
1158 frame.iXPos = 0; |
|
1159 frame.iYPos = 0; |
|
1160 frame.iEnableTransparency = EFalse; |
|
1161 frame.iFillsWholeScreen = ETrue; |
|
1162 |
|
1163 currentCapturedBitmap->ExternalizeL(writeStream); |
|
1164 |
|
1165 // update the previous frame to contain the new delay value |
|
1166 prevFrame.iDelay = TUint( (double) currentDelay / 10000 ); |
|
1167 } |
|
1168 |
|
1169 else |
|
1170 { |
|
1171 // compare the bitmaps |
|
1172 TUint bufSize = currentScreenSize.iWidth*3; |
|
1173 HBufC8* curImgScanLineBuf = HBufC8::NewLC(bufSize); |
|
1174 TPtr8 curImgScanLinePtr = curImgScanLineBuf->Des(); |
|
1175 HBufC8* prevImgScanLineBuf = HBufC8::NewLC(bufSize); |
|
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 bufSize = currentScreenSize.iHeight*3; |
|
1229 HBufC8* curImgVerticalScanLineBuf = HBufC8::NewLC(bufSize); |
|
1230 TPtr8 curImgVerticalScanLinePtr = curImgVerticalScanLineBuf->Des(); |
|
1231 HBufC8* prevImgVerticalScanLineBuf = HBufC8::NewLC(bufSize); |
|
1232 TPtr8 prevImgVerticalScanLinePtr = prevImgVerticalScanLineBuf->Des(); |
|
1233 |
|
1234 // first scan by from left to right |
|
1235 for (TInt i=0; i<currentScreenSize.iWidth; i++) |
|
1236 { |
|
1237 currentCapturedBitmap->GetVerticalScanLine(curImgVerticalScanLinePtr, i, EColor256); |
|
1238 iPreviouslyCapturedBitmap->GetVerticalScanLine(prevImgVerticalScanLinePtr, i, EColor256); |
|
1239 |
|
1240 if (curImgVerticalScanLinePtr != prevImgVerticalScanLinePtr) |
|
1241 { |
|
1242 leftTopDifferencePoint.iX = i; |
|
1243 break; |
|
1244 } |
|
1245 } |
|
1246 |
|
1247 // finally scan from right to left |
|
1248 for (TInt i=currentScreenSize.iWidth-1; i>=0; i--) |
|
1249 { |
|
1250 currentCapturedBitmap->GetVerticalScanLine(curImgVerticalScanLinePtr, i, EColor256); |
|
1251 iPreviouslyCapturedBitmap->GetVerticalScanLine(prevImgVerticalScanLinePtr, i, EColor256); |
|
1252 |
|
1253 if (curImgVerticalScanLinePtr != prevImgVerticalScanLinePtr) |
|
1254 { |
|
1255 rightBottomDifferencePoint.iX = i+1; |
|
1256 break; |
|
1257 } |
|
1258 } |
|
1259 |
|
1260 CleanupStack::PopAndDestroy(2); //curImgVerticalScanLineBuf,prevImgVerticalScanLineBuf |
|
1261 |
|
1262 |
|
1263 // check that the width of the cropped image will be at least 1 |
|
1264 if (rightBottomDifferencePoint.iX <= leftTopDifferencePoint.iX) |
|
1265 rightBottomDifferencePoint.iX = leftTopDifferencePoint.iX+1; |
|
1266 |
|
1267 |
|
1268 // record dimensions and position of the image |
|
1269 frame.iWidth = rightBottomDifferencePoint.iX - leftTopDifferencePoint.iX; |
|
1270 frame.iHeight = rightBottomDifferencePoint.iY - leftTopDifferencePoint.iY; |
|
1271 frame.iXPos = leftTopDifferencePoint.iX; |
|
1272 frame.iYPos = leftTopDifferencePoint.iY; |
|
1273 frame.iEnableTransparency = ETrue; |
|
1274 frame.iFillsWholeScreen = EFalse; |
|
1275 |
|
1276 |
|
1277 // take a copy of the current frame |
|
1278 CFbsBitmap* workingBitmap = new(ELeave) CFbsBitmap; |
|
1279 CleanupStack::PushL(workingBitmap); |
|
1280 User::LeaveIfError( workingBitmap->Create(currentScreenSize, EColor256) ); |
|
1281 |
|
1282 bufSize = currentScreenSize.iWidth*3; |
|
1283 HBufC8* tempScanLineBuf = HBufC8::NewLC(bufSize); |
|
1284 TPtr8 tempScanLinePtr = tempScanLineBuf->Des(); |
|
1285 |
|
1286 for (TInt i=0; i<currentScreenSize.iHeight; i++) |
|
1287 { |
|
1288 pt.iY = i; |
|
1289 currentCapturedBitmap->GetScanLine(tempScanLinePtr, pt, currentScreenSize.iWidth, EColor256); |
|
1290 workingBitmap->SetScanLine(tempScanLinePtr, i); |
|
1291 } |
|
1292 |
|
1293 CleanupStack::PopAndDestroy(); //tempScanLineBuf |
|
1294 |
|
1295 |
|
1296 // mark the non-changed areas with transparency color |
|
1297 TUint8* curPtr = NULL; |
|
1298 TUint8* prevPtr = NULL; |
|
1299 for (TInt i=frame.iYPos; i<frame.iYPos+frame.iHeight; i++) |
|
1300 { |
|
1301 pt.iY = i; |
|
1302 |
|
1303 workingBitmap->GetScanLine(curImgScanLinePtr, pt, currentScreenSize.iWidth, EColor256); |
|
1304 iPreviouslyCapturedBitmap->GetScanLine(prevImgScanLinePtr, pt, currentScreenSize.iWidth, EColor256); |
|
1305 |
|
1306 // check single pixels in the scanline |
|
1307 for (TInt j=frame.iXPos; j<frame.iXPos+frame.iWidth; j++) |
|
1308 { |
|
1309 curPtr = &curImgScanLinePtr[j]; |
|
1310 prevPtr = &prevImgScanLinePtr[j]; |
|
1311 |
|
1312 // check that our transparency index isn't already in use |
|
1313 if (curPtr[0] == TRANSPARENCY_INDEX) |
|
1314 curPtr[0] = TRANSPARENCY_ALTERNATIVE_INDEX; |
|
1315 |
|
1316 // replace with transparency index if there is no change compared to the previous frame |
|
1317 if (curPtr[0] == prevPtr[0]) |
|
1318 curPtr[0] = TRANSPARENCY_INDEX; |
|
1319 } |
|
1320 |
|
1321 // set new scanline |
|
1322 workingBitmap->SetScanLine(curImgScanLinePtr, i); |
|
1323 } |
|
1324 |
|
1325 |
|
1326 // externalize the bitmap |
|
1327 TRect changedRect(leftTopDifferencePoint, rightBottomDifferencePoint); |
|
1328 workingBitmap->ExternalizeRectangleL(writeStream, changedRect); |
|
1329 |
|
1330 CleanupStack::PopAndDestroy(); //workingBitmap |
|
1331 |
|
1332 // update the previous frame to contain the new delay value |
|
1333 prevFrame.iDelay = TUint( (double) currentDelay / 10000 ); |
|
1334 } |
|
1335 |
|
1336 else |
|
1337 { |
|
1338 // frames are identical, we can just ignore this one |
|
1339 ignoreFrame = ETrue; |
|
1340 } |
|
1341 |
|
1342 CleanupStack::PopAndDestroy(2); //curImgScanLineBuf,prevImgScanLineBuf |
|
1343 |
|
1344 } // if (videoDimensionsHaveChanged) |
|
1345 |
|
1346 } //if (iCurrentFrameNumber == 0) |
|
1347 |
|
1348 // close the stream |
|
1349 writeStream.CommitL(); |
|
1350 writeStream.Close(); |
|
1351 file.Close(); |
|
1352 |
|
1353 |
|
1354 if (ignoreFrame) |
|
1355 { |
|
1356 // delete the temp file since we don't need that |
|
1357 iFileSession.Delete(frame.iFileStorePath); |
|
1358 } |
|
1359 else |
|
1360 { |
|
1361 // remember for the next frame when this frame was taken |
|
1362 iPreviousFrameTaken = timeNow; |
|
1363 |
|
1364 // take a copy of currentCapturedBitmap to iPreviouslyCapturedBitmap |
|
1365 User::LeaveIfError( iPreviouslyCapturedBitmap->Create(iVideoDimensions, EColor256) ); |
|
1366 |
|
1367 TPoint pt(0,0); |
|
1368 HBufC8* tempScanLineBuf = HBufC8::NewMaxLC(iVideoDimensions.iWidth); |
|
1369 TPtr8 tempScanLinePtr = tempScanLineBuf->Des(); |
|
1370 |
|
1371 for (TInt i=0; i<iVideoDimensions.iHeight; i++) |
|
1372 { |
|
1373 pt.iY = i; |
|
1374 currentCapturedBitmap->GetScanLine(tempScanLinePtr, pt, iVideoDimensions.iWidth, EColor256); |
|
1375 iPreviouslyCapturedBitmap->SetScanLine(tempScanLinePtr, i); |
|
1376 } |
|
1377 |
|
1378 CleanupStack::PopAndDestroy(); //tempScanLineBuf |
|
1379 |
|
1380 // append frame information to the array |
|
1381 iVideoFrameArray->AppendL(frame); |
|
1382 |
|
1383 // remember screen size |
|
1384 iPreviousFrameScreenDimension = currentScreenSize; |
|
1385 } |
|
1386 |
|
1387 |
|
1388 CleanupStack::PopAndDestroy(); //currentCapturedBitmap |
|
1389 |
|
1390 |
|
1391 // set the state of the active object |
|
1392 iState = ENextVideoFrame; |
|
1393 |
|
1394 // check time spent on the work above (probably this is not so important) |
|
1395 TTime timeNow2; |
|
1396 timeNow2.HomeTime(); |
|
1397 TInt64 handlingDelay = timeNow2.MicroSecondsFrom(timeNow).Int64(); |
|
1398 |
|
1399 // calculate delay till next frame |
|
1400 TUint idealDelay = VIDEO_CAPTURE_DELAY*1000; |
|
1401 TInt usedDelay; |
|
1402 if (currentDelay > idealDelay) |
|
1403 usedDelay = idealDelay - (currentDelay - idealDelay) - handlingDelay; |
|
1404 else |
|
1405 usedDelay = idealDelay - handlingDelay; |
|
1406 |
|
1407 // check that the delay is atleast minimum delay anyway |
|
1408 if (usedDelay < VIDEO_CAPTURE_MINIMUM_DELAY*1000) |
|
1409 usedDelay = VIDEO_CAPTURE_MINIMUM_DELAY*1000; |
|
1410 |
|
1411 iTimer.After(iStatus, usedDelay); |
|
1412 |
|
1413 // indicate an outstanding request |
|
1414 SetActive(); |
|
1415 |
|
1416 SC_DEBUG(_L("SCREENGRABBER ------------------------------------------------------- Captureframeforvideo end")); |
|
1417 |
|
1418 } |
|
1419 |
|
1420 // --------------------------------------------------------------------------- |
|
1421 |
|
1422 void SGEngine::SaveVideoL(TInt aErr) |
|
1423 { |
|
1424 |
|
1425 SC_DEBUG(_L("SCREENGRABBER ------------------------------------------------------- SaveVideo start")); |
|
1426 |
|
1427 if (aErr) |
|
1428 CapturingFinishedL(aErr); |
|
1429 |
|
1430 else if (iGrabSettings.iVideoCaptureVideoFormat == EVideoFormatAnimatedGIF) |
|
1431 { |
|
1432 TInt err(KErrNone); |
|
1433 |
|
1434 |
|
1435 iSaveFileName.Copy( PathInfo::PhoneMemoryRootPath() ); |
|
1436 if (iGrabSettings.iVideoCaptureMemoryInUseMultiDrive != 0)//something different as PhoneMemory (memory card or mass memory) |
|
1437 { |
|
1438 if (PathInfo::GetRootPath(iSaveFileName,EDriveY) != KErrNone || !DriveOK(EDriveY)) |
|
1439 { |
|
1440 //we need to find first available memory card in EDriveE - EDriveY range |
|
1441 for (TInt i = EDriveY; i>=EDriveE; i--) |
|
1442 { |
|
1443 if ( DriveOK((TDriveNumber)(i))) |
|
1444 { |
|
1445 if (IsDriveMMC((TDriveNumber)(i))) |
|
1446 { |
|
1447 PathInfo::GetRootPath(iSaveFileName, (TDriveNumber)(i)); |
|
1448 break; |
|
1449 } |
|
1450 } |
|
1451 } |
|
1452 } |
|
1453 } |
|
1454 |
|
1455 |
|
1456 iSaveFileName.Append( PathInfo::ImagesPath() ); // animated gif is actually an image, not a video |
|
1457 iSaveFileName.Append( KScreenShotsSubDirectory ); |
|
1458 |
|
1459 // a quick check that filename is valid |
|
1460 if (iGrabSettings.iVideoCaptureFileName.Length() > 0 && iGrabSettings.iVideoCaptureFileName.Length() <= 255) |
|
1461 iSaveFileName.Append( iGrabSettings.iVideoCaptureFileName ); |
|
1462 else |
|
1463 iSaveFileName.Append( KDefaultVideoFileName ); |
|
1464 |
|
1465 iSaveFileName.Append( _L(".gif") ); |
|
1466 |
|
1467 CApaApplication::GenerateFileName(iFileSession, iSaveFileName ); // unique filename |
|
1468 |
|
1469 // create and save the gif animation |
|
1470 err = CGifAnimator::CreateGifAnimation(iSaveFileName, iVideoDimensions, iVideoFrameArray, *iEngineWrapper); |
|
1471 |
|
1472 // remove the saved file in case of errors since it's likely corrupted |
|
1473 if (err != KErrNone) |
|
1474 iFileSession.Delete(iSaveFileName); |
|
1475 |
|
1476 CapturingFinishedL(err); |
|
1477 } |
|
1478 |
|
1479 else |
|
1480 CapturingFinishedL(KErrNotSupported); |
|
1481 |
|
1482 SC_DEBUG(_L("SCREENGRABBER ------------------------------------------------------- SaveVideo end")); |
|
1483 } |
|
1484 // --------------------------------------------------------------------------- |
|
1485 |