Developer Documentation

TypeCamera.cc
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42 /*===========================================================================*\
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44 * $Revision$ *
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48 \*===========================================================================*/
49
50
51 #include "TypeCamera.hh"
52
53 #include "OpenFlipper/BasePlugin/PluginFunctions.hh"
54 #include <OpenFlipper/common/GlobalOptions.hh>
55
56 TypeCameraPlugin::TypeCameraPlugin() :
57 contextMenu_(0), showFrustumAction_(0)
58 {
59
60 }
61
62 void TypeCameraPlugin::pluginsInitialized() {
63
64 if ( OpenFlipper::Options::gui() ){
65 contextMenu_ = new QMenu(tr("CameraNode"));
66
67 showFrustumAction_ = contextMenu_->addAction( tr("Show viewing frustum") );
68 showFrustumAction_->setCheckable(true);
69 showFrustumAction_->setChecked(false);
70 showFrustumAction_->setToolTip(tr("Visualize cameras viewing frustum."));
71 showFrustumAction_->setStatusTip( showFrustumAction_->toolTip() );
72
73 QAction* flyAction = contextMenu_->addAction( tr("Fly to") );
74 flyAction->setToolTip(tr("Fly viewer to the camera position."));
75 flyAction->setStatusTip( flyAction->toolTip() );
76
77 // Add context menu
78 emit addContextMenuItem(contextMenu_->menuAction(), DATA_CAMERA, CONTEXTOBJECTMENU);
79
80 connect(contextMenu_, SIGNAL(triggered(QAction*)), this ,SLOT(contextMenuClicked(QAction*)));
81 }
82 }
83
84 void TypeCameraPlugin::slotUpdateContextMenu(int _objectId) {
85
86 if (_objectId < 0)
87 return;
88
89 CameraObject* object;
90 if (!PluginFunctions::getObject(_objectId, object))
91 return;
92
93 if (showFrustumAction_)
94 showFrustumAction_->setChecked(object->cameraNode()->showFrustum());
95 }
96
97 void TypeCameraPlugin::contextMenuClicked(QAction* _contextAction) {
98
99 QVariant contextObject = _contextAction->data();
100 int objectId = contextObject.toInt();
101
102 if (objectId == -1)
103 return;
104
105 CameraObject* object;
106 if (!PluginFunctions::getObject(objectId, object))
107 return;
108
109 if (_contextAction->text() == tr("Show viewing frustum")) {
110
111 // Set frustum flag to whether action is checked or not
112 object->cameraNode()->showFrustum(_contextAction->isChecked());
113
114 emit updatedObject(objectId, UPDATE_VISIBILITY);
115 }
116 else if (_contextAction->text() == tr("Fly to")) {
117
118 // calculate camera position and view direction in world space
119
120 ACG::GLMatrixd m = object->cameraNode()->modelview();
121 ACG::GLMatrixd mInv = m;
122 mInv.invert();
123
124 ACG::Vec3d camPosWS(mInv(0,3), mInv(1,3), mInv(2,3));
125 ACG::Vec3d camViewWS(mInv(0,2), mInv(1,2), mInv(2,2));
126
127 ACG::Vec3d camCenterWS = camPosWS - camViewWS;
128
129 // target up vector can't be specified unfortunately
130 PluginFunctions::flyTo(camPosWS, camCenterWS, 500.0);
131 }
132
133 }
134
135 bool TypeCameraPlugin::registerType() {
136
137 addDataType ( "Camera",tr ( "Camera" ) );
138 setTypeIcon ( "Camera", "camera.png" );
139 return true;
140 }
141
142 int TypeCameraPlugin::addEmpty() {
143
144 // new object data struct
145 CameraObject* object = new CameraObject ();
146
147 if ( OpenFlipperSettings().value("Core/File/AllTarget",false).toBool() )
148 object->target(true);
149 else {
150
151 // Only the first object in the scene will be target
152 if ( PluginFunctions::objectCount() == 1 )
153 object->target(true);
154
155 // If no target is available, we set the new object as target
156 if (PluginFunctions::targetCount() == 0 )
157 object->target(true);
158 }
159
160 QString name = QString(tr("New Camera %1.cam").arg( object->id() ));
161
162 // call the local function to update names
163 object->setName ( name );
164
165 object->update();
166
167 object->show();
168
169 emit log ( LOGINFO, object->getObjectinfo() );
170
171 emit emptyObjectAdded ( object->id() );
172
173 return object->id();
174 }
175
176
CameraObject
Definition: CameraObject.hh:82
ACG::Matrix4x4T::invert
bool invert()
matrix inversion (returns true on success)
Definition: Matrix4x4T_impl.hh:291
OpenFlipperSettings
DLLEXPORT OpenFlipperQSettings & OpenFlipperSettings()
QSettings object containing all program settings of OpenFlipper.
Definition: GlobalOptions.cc:1038
LOGINFO
Definition: LoggingInterface.hh:94
TypeCameraPlugin::addEmpty
int addEmpty()
Create an empty object.
Definition: TypeCamera.cc:142
CameraObject::getObjectinfo
QString getObjectinfo()
Get all Info for the Object as a string.
Definition: CameraObject.cc:193
BaseObject::id
int id() const
Definition: BaseObject.cc:190
PluginFunctions.hh
UPDATE_VISIBILITY
const UpdateType UPDATE_VISIBILITY(UpdateTypeSet(1)<< 1)
This is the update identifier for global Object visibility ( show/hide )
DATA_CAMERA
#define DATA_CAMERA
Definition: Camera.hh:67
GlobalOptions.hh
PluginFunctions::getObject
bool getObject(const int _identifier, BaseObject *&_object)
Get the object which has the given identifier.
Definition: PluginFunctions.cc:294
setTypeIcon
DLLEXPORT void setTypeIcon(DataType _id, QString _icon)
Set an Icon for a given DataType.
Definition: Types.cc:223
ACG::GLMatrixT< double >
TypeCameraPlugin::pluginsInitialized
void pluginsInitialized()
Initialize Plugin step 2.
Definition: TypeCamera.cc:62
addDataType
DLLEXPORT DataType addDataType(QString _name, QString _readableName)
Adds a datatype and returns the id for the new type.
Definition: Types.cc:117
TypeCameraPlugin::slotUpdateContextMenu
void slotUpdateContextMenu(int _objectId)
Definition: TypeCamera.cc:84
PluginFunctions::flyTo
void flyTo(const ACG::Vec3d &_position, const ACG::Vec3d &_center, double _time)
Fly to point and viewing direction (animated).
Definition: PluginFunctions.cc:1055
OpenMesh::VectorT
Definition: Vector11T.hh:83
CameraObject::cameraNode
CameraNode * cameraNode()
Get the scenegraph Node.
Definition: CameraObject.cc:180
PluginFunctions::objectCount
int objectCount()
Get the number of available objects.
Definition: PluginFunctions.cc:1000
ACG::SceneGraph::CameraNode::showFrustum
void showFrustum(bool _showFrustum)
Set if viewing frustum should be shown or not.
Definition: CameraNode.hh:148
PluginFunctions::targetCount
int targetCount()
Get the number of target objects.
Definition: PluginFunctions.cc:1006
CONTEXTOBJECTMENU
The Menu will be shown when an object was picked.
Definition: ContextMenuInterface.hh:59