source: projectionDesigner/tag/ProjectionDesigner_1.1.5/projdesignerplugins/defaultplugin/DefaultEmptySceneContent.cpp @ 2

Last change on this file since 2 was 2, checked in by Torben Dannhauer, 10 years ago
File size: 2.5 KB
Line 
1#include "DefaultEmptySceneContent.h"
2
3
4const QString DefaultEmptySceneContent::g_scene_name=QObject::tr("Empty");
5
6
7/**
8 * Default constructor
9 *
10 */
11DefaultEmptySceneContent::DefaultEmptySceneContent(SceneInterface* plugin):
12    SceneContent(plugin)
13{
14}
15
16
17/**
18 * Destructor.
19 *
20 */
21DefaultEmptySceneContent::~DefaultEmptySceneContent()
22{
23}
24
25
26/**
27 * Implements the copy from other contents.
28 *
29 * This method is used by the copy constructor.
30 * For the empty scene contents, it does nothing.
31 *
32 * @param content The source content to copy from.
33 *
34 * @return true if the copy is ok, false otherwise. The copy can fail if
35 *         SceneContent is not a DefaultEmptySceneContent.
36 *
37 * @seealso is_equal_to
38 *
39 */
40bool DefaultEmptySceneContent::copy_from(const SceneContent& data) 
41{
42    if (!SceneContent::copy_from(data)) return false;
43    Q_ASSERT(NULL!=plugin());
44    Q_ASSERT(NULL!=data.plugin());
45    return true;
46}
47
48
49/**
50 * Implements the egality-test with other contents.
51 *
52 * This could be an operator==. For the empty scene content, the test is not
53 * difficult.
54 *
55 * @param content The content to compare with.
56 *
57 * @return true if the content are equal, false otherwise. The test can
58 *         fail if the contents have different parameters, but also it
59 *         SceneContent is not a DefaultEmptySceneContent.
60 *
61 * @seealso copy_from
62 *
63 */
64bool DefaultEmptySceneContent::is_equal_to(const SceneContent& data) const
65{
66    if (!SceneContent::is_equal_to(data)) return false;
67    return true;
68}
69
70
71/**
72 * Draws the empty scene.
73 *
74 * @param glWidget The QGLWidget that own the OpenGL context.
75 * @param cameraMatrix The camera matrix that must be use.
76 *
77 */
78void DefaultEmptySceneContent::draw(QGLWidget *glWidget, const float* cameraMatrix)
79{
80    Q_UNUSED (glWidget);
81    Q_UNUSED(cameraMatrix);
82}
83
84
85/**
86 * Loads the empty scene from a QDomElement.
87 *
88 * This is implemented for convenience, but it does nothing.
89 *
90 * @param element The QDomElement to read from.
91 *
92 */
93void DefaultEmptySceneContent::initFromDOMElement(const QDomElement& element)
94{
95    if (!element.isNull())
96    {
97        SceneContent::initFromDOMElement(element);
98    }
99}
100
101
102/**
103 * Writes the empty scene in a QDomDocument.
104 *
105 * This is implemented for convenience, but it does nothing.
106 *
107 * @param name The name of the element.
108 * @param doc The document whom belongs the element.
109 *
110 * @return The QDomElement to add.
111 *
112 */
113QDomElement DefaultEmptySceneContent::domElement(const QString& name, QDomDocument& doc) const
114{
115    QDomElement de = SceneContent::domElement(name, doc);
116    return de;
117}
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