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8 <h1>examples/Multimedia/ICL/ICLExample/iclpanoramaexample.cpp</h1><a href="iclpanoramaexample_8cpp.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">// Copyright (c) 2008-2009 Nokia Corporation and/or its subsidiary(-ies).</span> |
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9 <a name="l00002"></a>00002 <span class="comment">// All rights reserved.</span> |
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10 <a name="l00003"></a>00003 <span class="comment">// This component and the accompanying materials are made available</span> |
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11 <a name="l00004"></a>00004 <span class="comment">// under the terms of "Eclipse Public License v1.0"</span> |
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12 <a name="l00005"></a>00005 <span class="comment">// which accompanies this distribution, and is available</span> |
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13 <a name="l00006"></a>00006 <span class="comment">// at the URL "http://www.eclipse.org/legal/epl-v10.html".</span> |
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14 <a name="l00007"></a>00007 <span class="comment">//</span> |
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15 <a name="l00008"></a>00008 <span class="comment">// Initial Contributors:</span> |
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16 <a name="l00009"></a>00009 <span class="comment">// Nokia Corporation - initial contribution.</span> |
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17 <a name="l00010"></a>00010 <span class="comment">//</span> |
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18 <a name="l00011"></a>00011 <span class="comment">// Contributors:</span> |
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19 <a name="l00012"></a>00012 <span class="comment">//</span> |
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20 <a name="l00013"></a>00013 <span class="comment">// Description:</span> |
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21 <a name="l00014"></a>00014 <span class="comment">// The code demonstrates panorama stitching functionality of CIclExample</span> |
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22 <a name="l00015"></a>00015 <span class="comment">//</span> |
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23 <a name="l00016"></a>00016 |
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24 <a name="l00017"></a>00017 |
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25 <a name="l00018"></a>00018 |
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26 <a name="l00023"></a>00023 <span class="preprocessor">#include "<a class="code" href="iclexample_8h.html">iclexample.h</a>"</span> |
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27 <a name="l00024"></a>00024 <span class="preprocessor">#include <panorama/panorama.h></span> |
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28 <a name="l00025"></a>00025 |
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29 <a name="l00026"></a><a class="code" href="class_c_icl_example.html#0d1ba39bdcc34903e36f3a68e5073dd1">00026</a> <span class="keywordtype">void</span> <a class="code" href="class_c_icl_example.html#0d1ba39bdcc34903e36f3a68e5073dd1">CIclExample::BasicPanoramaStitchingL</a>() |
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30 <a name="l00027"></a>00027 { |
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31 <a name="l00028"></a>00028 TSize imageSize(1200, 1000); |
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32 <a name="l00029"></a>00029 |
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33 <a name="l00030"></a>00030 TDirection direction = EPanoramaDirectionRight; |
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34 <a name="l00031"></a>00031 |
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35 <a name="l00032"></a>00032 <span class="comment">//Lens parameters or internal camera characteristics should be available for the </span> |
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36 <a name="l00033"></a>00033 <span class="comment">//specific camera module in use. Here we use default values.</span> |
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37 <a name="l00034"></a>00034 TPanoramaLens lens; |
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38 <a name="l00035"></a>00035 |
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39 <a name="l00036"></a>00036 <span class="comment">//Create transform. A transform is an approximate offset between each image.</span> |
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40 <a name="l00037"></a>00037 CPanoramaTransform* panTrans = CPanoramaTransform::NewL(); |
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41 <a name="l00038"></a>00038 CleanupStack::PushL(panTrans); |
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42 <a name="l00039"></a>00039 |
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43 <a name="l00040"></a>00040 <span class="comment">//Create panorama object.This stitches the individual images together.</span> |
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44 <a name="l00041"></a>00041 CImagePanorama* panImage = CImagePanorama::NewL(); |
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45 <a name="l00042"></a>00042 CleanupStack::PushL(panImage); |
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46 <a name="l00043"></a>00043 |
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47 <a name="l00044"></a>00044 <span class="comment">//Create panorama engine and set the lens and size</span> |
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48 <a name="l00045"></a>00045 panImage->InitializeL(imageSize, lens, direction); |
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49 <a name="l00046"></a>00046 |
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50 <a name="l00047"></a>00047 <span class="comment">//Each file added is provided with an approximate translation. </span> |
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51 <a name="l00048"></a>00048 <span class="comment">//In this case there are 4 images.</span> |
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52 <a name="l00049"></a>00049 panTrans->SetTranslationL(TPoint(0, 0), imageSize); |
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53 <a name="l00050"></a>00050 panImage->AddFileL(KTestFileName1, *panTrans); |
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54 <a name="l00051"></a>00051 |
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55 <a name="l00052"></a>00052 panTrans->SetTranslationL(TPoint(900, -30), imageSize); |
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56 <a name="l00053"></a>00053 panImage->AddFileL(KTestFileName2, *panTrans); |
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57 <a name="l00054"></a>00054 |
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58 <a name="l00055"></a>00055 panTrans->SetTranslationL(TPoint(900, 60), imageSize); |
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59 <a name="l00056"></a>00056 panImage->AddFileL(KTestFileName3, *panTrans); |
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60 <a name="l00057"></a>00057 |
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61 <a name="l00058"></a>00058 panTrans->SetTranslationL(TPoint(400, -30), imageSize); |
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62 <a name="l00059"></a>00059 panImage->AddFileL(KTestFileName4, *panTrans); |
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63 <a name="l00060"></a>00060 |
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64 <a name="l00061"></a>00061 <span class="comment">//The image size can be obtained before rendering (if required)</span> |
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65 <a name="l00062"></a>00062 TSize size; |
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66 <a name="l00063"></a>00063 panImage->CurrentImageSizeL(size); |
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67 <a name="l00064"></a>00064 |
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68 <a name="l00065"></a>00065 <span class="comment">//view the output image</span> |
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69 <a name="l00066"></a>00066 panImage->RenderL(KTestBSOutputFileName); |
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70 <a name="l00067"></a>00067 |
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71 <a name="l00068"></a>00068 CleanupStack::PopAndDestroy(2); <span class="comment">//panTrans, panImage</span> |
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72 <a name="l00069"></a>00069 } |
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73 <a name="l00070"></a>00070 |
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74 <a name="l00071"></a><a class="code" href="class_c_icl_example.html#9e85580d3fd8c310004d3175209eaf70">00071</a> <span class="keywordtype">void</span> <a class="code" href="class_c_icl_example.html#9e85580d3fd8c310004d3175209eaf70">CIclExample::ViewFinderImageTrackingL</a>() |
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75 <a name="l00072"></a>00072 { |
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76 <a name="l00073"></a>00073 _LIT(KFileOutput, <span class="stringliteral">"c:\\ICLExample\\viewfinder%d.mbm"</span>); |
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77 <a name="l00074"></a>00074 _LIT(KFileCapturedImage, <span class="stringliteral">"c:\\ICLExample\\pancapture%d.jpg"</span>); |
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78 <a name="l00075"></a>00075 TInt i = 0; |
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79 <a name="l00076"></a>00076 |
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80 <a name="l00077"></a>00077 TSize imageSize(1200,1000); |
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81 <a name="l00078"></a>00078 |
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82 <a name="l00079"></a>00079 CFbsBitmap* bmp = <span class="keyword">new</span> (ELeave) CFbsBitmap; |
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83 <a name="l00080"></a>00080 CleanupStack::PushL(bmp); |
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84 <a name="l00081"></a>00081 |
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85 <a name="l00082"></a>00082 <span class="comment">// get 1st viewfinder image from camera into bmp (detail excluded)</span> |
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86 <a name="l00083"></a>00083 |
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87 <a name="l00084"></a>00084 <span class="comment">// ####Begin exclude from OS Library example </span> |
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88 <a name="l00085"></a>00085 <span class="comment">// (for example purposes we have some prepared viewfinder images on disk)</span> |
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89 <a name="l00086"></a>00086 TFileName vfFileName; |
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90 <a name="l00087"></a>00087 vfFileName.Format(KFileOutput(),i); |
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91 <a name="l00088"></a>00088 User::LeaveIfError(bmp->Load(vfFileName)); |
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92 <a name="l00089"></a>00089 <span class="comment">// ####End exclude from OS Library example </span> |
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93 <a name="l00090"></a>00090 |
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94 <a name="l00091"></a>00091 TSize bmpSize = bmp->SizeInPixels(); |
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95 <a name="l00092"></a>00092 |
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96 <a name="l00093"></a>00093 CPanoramaTransform* panTrans = CPanoramaTransform::NewL();<span class="comment">//create panorama transform</span> |
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97 <a name="l00094"></a>00094 CleanupStack::PushL(panTrans); |
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98 <a name="l00095"></a>00095 |
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99 <a name="l00096"></a>00096 CVFTracker* vfTracker = CVFTracker::NewL(); <span class="comment">//create VFTracker and load the plugin</span> |
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100 <a name="l00097"></a>00097 CleanupStack::PushL(vfTracker); |
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101 <a name="l00098"></a>00098 |
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102 <a name="l00099"></a>00099 vfTracker->InitializeL(bmpSize); <span class="comment">//Create VFTracker and set size</span> |
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103 <a name="l00100"></a>00100 |
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104 <a name="l00101"></a>00101 CImagePanorama* panImage = CImagePanorama::NewL(); <span class="comment">//create CImagePanorama object</span> |
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105 <a name="l00102"></a>00102 CleanupStack::PushL(panImage); |
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106 <a name="l00103"></a>00103 |
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107 <a name="l00104"></a>00104 TDirection direction = EPanoramaDirectionRight; <span class="comment">//assign direction</span> |
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108 <a name="l00105"></a>00105 |
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109 <a name="l00106"></a>00106 <span class="comment">// Lens parameters or internal camera characteristics should be available for the </span> |
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110 <a name="l00107"></a>00107 <span class="comment">// specific camera module in use. Here we use default values.</span> |
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111 <a name="l00108"></a>00108 TPanoramaLens lens; |
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112 <a name="l00109"></a>00109 panImage->InitializeL(imageSize, lens, direction); <span class="comment">//initialise size, lens, direction and create panorama engine</span> |
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113 <a name="l00110"></a>00110 |
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114 <a name="l00111"></a>00111 <span class="comment">// get the first captured image from the camera as a starting point - its name is given in capturedFileName</span> |
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115 <a name="l00112"></a>00112 TFileName capturedFileName; |
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116 <a name="l00113"></a>00113 capturedFileName.Format(KFileCapturedImage(),i); |
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117 <a name="l00114"></a>00114 panImage->AddFileL(capturedFileName, *panTrans); <span class="comment">//add the captured image</span> |
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118 <a name="l00115"></a>00115 |
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119 <a name="l00116"></a>00116 <span class="keywordflow">do</span> |
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120 <a name="l00117"></a>00117 { |
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121 <a name="l00118"></a>00118 <span class="comment">// give the next camera viewfinder image to the tracker (details ommitted)</span> |
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122 <a name="l00119"></a>00119 vfTracker->RegisterImageL(*bmp, *panTrans); <span class="comment">// register viewfinder image</span> |
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123 <a name="l00120"></a>00120 |
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124 <a name="l00121"></a>00121 <span class="comment">// check if we have a good overlap with the previous image</span> |
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125 <a name="l00122"></a>00122 <span class="keywordflow">if</span>(vfTracker->IsTimeToCapture(direction, KPanoramaDefaultOverlap)) |
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126 <a name="l00123"></a>00123 { |
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127 <a name="l00124"></a>00124 <span class="comment">// capture the next image from the camera (details ommitted)</span> |
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128 <a name="l00125"></a>00125 capturedFileName.Format(KFileCapturedImage(),i); |
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129 <a name="l00126"></a>00126 |
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130 <a name="l00127"></a>00127 panImage->AddFileL(capturedFileName, *panTrans); <span class="comment">//add the captured image</span> |
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131 <a name="l00128"></a>00128 vfTracker->Reset(); <span class="comment">//reset the VFTracker object</span> |
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132 <a name="l00129"></a>00129 } |
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133 <a name="l00130"></a>00130 |
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134 <a name="l00131"></a>00131 <span class="comment">// ####Begin exclude from OS Library example </span> |
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135 <a name="l00132"></a>00132 <span class="comment">// For example purposes we have some prepared viewfinder images on disk.</span> |
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136 <a name="l00133"></a>00133 i += 10; |
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137 <a name="l00134"></a>00134 vfFileName.Format(KFileOutput(),i); |
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138 <a name="l00135"></a>00135 TInt err = bmp->Load(vfFileName); |
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139 <a name="l00136"></a>00136 <span class="comment">// ####End exclude from OS Library example </span> |
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140 <a name="l00137"></a>00137 |
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141 <a name="l00138"></a>00138 <span class="keywordflow">if</span> ( err != KErrNone ) <span class="comment">// some termination condition usually a signal from user</span> |
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142 <a name="l00139"></a>00139 { |
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143 <a name="l00140"></a>00140 <span class="comment">// no more viewfinder images</span> |
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144 <a name="l00141"></a>00141 <span class="keywordflow">break</span>; |
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145 <a name="l00142"></a>00142 } |
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146 <a name="l00143"></a>00143 } |
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147 <a name="l00144"></a>00144 <span class="keywordflow">while</span> (1); |
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148 <a name="l00145"></a>00145 |
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149 <a name="l00146"></a>00146 panImage->RenderL(KTestVFTOutputFileName); <span class="comment">// render the stitched image</span> |
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150 <a name="l00147"></a>00147 |
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151 <a name="l00148"></a>00148 CleanupStack::PopAndDestroy(4,bmp); <span class="comment">//panTrans, vfTracker, panImage, bmp</span> |
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152 <a name="l00149"></a>00149 } |
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153 <a name="l00150"></a>00150 |
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154 </pre></div><hr size="1"><address style="text-align: right;"><small>Generated on Thu Jan 21 10:32:59 2010 for TB10.1 Example Applications by |
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155 <a href="http://www.doxygen.org/index.html"> |
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156 <img src="doxygen.png" alt="doxygen" align="middle" border="0"></a> 1.5.3 </small></address> |
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157 </body> |
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158 </html> |