1 | #include "DefaultEmptySceneContent.h" |
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2 | |
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3 | |
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4 | const QString DefaultEmptySceneContent::g_scene_name=QObject::tr("Empty"); |
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5 | |
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6 | |
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7 | /** |
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8 | * Default constructor |
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9 | * |
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10 | */ |
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11 | DefaultEmptySceneContent::DefaultEmptySceneContent(SceneInterface* plugin): |
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12 | SceneContent(plugin) |
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13 | { |
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14 | } |
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15 | |
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16 | |
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17 | /** |
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18 | * Destructor. |
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19 | * |
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20 | */ |
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21 | DefaultEmptySceneContent::~DefaultEmptySceneContent() |
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22 | { |
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23 | } |
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24 | |
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25 | |
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26 | /** |
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27 | * Implements the copy from other contents. |
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28 | * |
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29 | * This method is used by the copy constructor. |
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30 | * For the empty scene contents, it does nothing. |
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31 | * |
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32 | * @param content The source content to copy from. |
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33 | * |
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34 | * @return true if the copy is ok, false otherwise. The copy can fail if |
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35 | * SceneContent is not a DefaultEmptySceneContent. |
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36 | * |
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37 | * @seealso is_equal_to |
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38 | * |
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39 | */ |
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40 | bool DefaultEmptySceneContent::copy_from(const SceneContent& data) |
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41 | { |
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42 | if (!SceneContent::copy_from(data)) return false; |
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43 | Q_ASSERT(NULL!=plugin()); |
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44 | Q_ASSERT(NULL!=data.plugin()); |
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45 | return true; |
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46 | } |
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47 | |
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48 | |
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49 | /** |
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50 | * Implements the egality-test with other contents. |
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51 | * |
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52 | * This could be an operator==. For the empty scene content, the test is not |
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53 | * difficult. |
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54 | * |
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55 | * @param content The content to compare with. |
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56 | * |
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57 | * @return true if the content are equal, false otherwise. The test can |
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58 | * fail if the contents have different parameters, but also it |
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59 | * SceneContent is not a DefaultEmptySceneContent. |
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60 | * |
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61 | * @seealso copy_from |
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62 | * |
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63 | */ |
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64 | bool DefaultEmptySceneContent::is_equal_to(const SceneContent& data) const |
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65 | { |
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66 | if (!SceneContent::is_equal_to(data)) return false; |
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67 | return true; |
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68 | } |
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69 | |
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70 | |
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71 | /** |
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72 | * Draws the empty scene. |
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73 | * |
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74 | * @param glWidget The QGLWidget that own the OpenGL context. |
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75 | * @param cameraMatrix The camera matrix that must be use. |
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76 | * |
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77 | */ |
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78 | void DefaultEmptySceneContent::draw(QGLWidget *glWidget, const float* cameraMatrix) |
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79 | { |
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80 | Q_UNUSED (glWidget); |
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81 | Q_UNUSED(cameraMatrix); |
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82 | } |
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83 | |
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84 | |
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85 | /** |
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86 | * Loads the empty scene from a QDomElement. |
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87 | * |
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88 | * This is implemented for convenience, but it does nothing. |
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89 | * |
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90 | * @param element The QDomElement to read from. |
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91 | * |
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92 | */ |
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93 | void DefaultEmptySceneContent::initFromDOMElement(const QDomElement& element) |
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94 | { |
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95 | if (!element.isNull()) |
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96 | { |
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97 | SceneContent::initFromDOMElement(element); |
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98 | } |
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99 | } |
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100 | |
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101 | |
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102 | /** |
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103 | * Writes the empty scene in a QDomDocument. |
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104 | * |
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105 | * This is implemented for convenience, but it does nothing. |
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106 | * |
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107 | * @param name The name of the element. |
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108 | * @param doc The document whom belongs the element. |
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109 | * |
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110 | * @return The QDomElement to add. |
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111 | * |
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112 | */ |
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113 | QDomElement DefaultEmptySceneContent::domElement(const QString& name, QDomDocument& doc) const |
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114 | { |
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115 | QDomElement de = SceneContent::domElement(name, doc); |
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116 | return de; |
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117 | } |
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