Developer Documentation

LightWidget.cc
1 /*===========================================================================*\
2 * *
3 * OpenFlipper *
4 * Copyright (c) 2001-2015, RWTH-Aachen University *
5 * Department of Computer Graphics and Multimedia *
6 * All rights reserved. *
7 * www.openflipper.org *
8 * *
9 *---------------------------------------------------------------------------*
10 * This file is part of OpenFlipper. *
11 *---------------------------------------------------------------------------*
12 * *
13 * Redistribution and use in source and binary forms, with or without *
14 * modification, are permitted provided that the following conditions *
15 * are met: *
16 * *
17 * 1. Redistributions of source code must retain the above copyright notice, *
18 * this list of conditions and the following disclaimer. *
19 * *
20 * 2. Redistributions in binary form must reproduce the above copyright *
21 * notice, this list of conditions and the following disclaimer in the *
22 * documentation and/or other materials provided with the distribution. *
23 * *
24 * 3. Neither the name of the copyright holder nor the names of its *
25 * contributors may be used to endorse or promote products derived from *
26 * this software without specific prior written permission. *
27 * *
28 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS *
29 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED *
30 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A *
31 * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER *
32 * OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, *
33 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, *
34 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR *
35 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF *
36 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING *
37 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS *
38 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. *
39 * *
40 \*===========================================================================*/
41
42
43
44 #include "LightWidget.hh"
45
46 LightWidget::LightWidget( ACG::SceneGraph::BaseNode* _node, QWidget *parent)
47 : QDialog(parent),
48 object_(0),
49 light_(0),
50 updatingWidgets_(false)
51 {
52 setupUi(this);
53
54 node_ = dynamic_cast< ACG::SceneGraph::LightNode* >(_node);
55
56 if ( ! node_ ) {
57 std::cerr << "LightWidget could not cast given node to LightNode!" << std::endl;
58 return;
59 }
60
61 connect(directional,SIGNAL(clicked()),this,SLOT(directionalToggled()));
62
63 connect(fixedPosition ,SIGNAL(clicked()),this,SLOT(fixedPositionChanged()));
64
65 connect(xpos,SIGNAL(editingFinished()),this,SLOT(directionalToggled()));
66 connect(ypos,SIGNAL(editingFinished()),this,SLOT(directionalToggled()));
67 connect(zpos,SIGNAL(editingFinished()),this,SLOT(directionalToggled()));
68
69 connect(xdir,SIGNAL(editingFinished()),this,SLOT(directionalToggled()));
70 connect(ydir,SIGNAL(editingFinished()),this,SLOT(directionalToggled()));
71 connect(zdir,SIGNAL(editingFinished()),this,SLOT(directionalToggled()));
72
73 connect(spotx,SIGNAL(editingFinished()),this,SLOT(spotChanged()));
74 connect(spoty,SIGNAL(editingFinished()),this,SLOT(spotChanged()));
75 connect(spotz,SIGNAL(editingFinished()),this,SLOT(spotChanged()));
76
77 connect(angle,SIGNAL(editingFinished()),this,SLOT(spotChanged()));
78 connect(exponent,SIGNAL(editingFinished()),this,SLOT(spotChanged()));
79
80 brightness->setTracking(true);
81 connect(brightness, SIGNAL(valueChanged(int)), this, SLOT(brightnessChanged(int)));
82
83 connect(ambientR,SIGNAL(editingFinished()),this,SLOT(ambientChanged()));
84 connect(ambientG,SIGNAL(editingFinished()),this,SLOT(ambientChanged()));
85 connect(ambientB,SIGNAL(editingFinished()),this,SLOT(ambientChanged()));
86 connect(ambientA,SIGNAL(editingFinished()),this,SLOT(ambientChanged()));
87
88 connect(diffuseR,SIGNAL(editingFinished()),this,SLOT(diffuseChanged()));
89 connect(diffuseG,SIGNAL(editingFinished()),this,SLOT(diffuseChanged()));
90 connect(diffuseB,SIGNAL(editingFinished()),this,SLOT(diffuseChanged()));
91 connect(diffuseA,SIGNAL(editingFinished()),this,SLOT(diffuseChanged()));
92
93 connect(specularR,SIGNAL(editingFinished()),this,SLOT(specularChanged()));
94 connect(specularG,SIGNAL(editingFinished()),this,SLOT(specularChanged()));
95 connect(specularB,SIGNAL(editingFinished()),this,SLOT(specularChanged()));
96 connect(specularA,SIGNAL(editingFinished()),this,SLOT(specularChanged()));
97
98 connect(radius,SIGNAL(editingFinished()),this,SLOT(radiusChanged()));
99 }
100
101 void LightWidget::showEvent ( QShowEvent * /*event*/ )
102 {
103 if ( !getObject() )
104 return;
105
106 // Block updates
107 updatingWidgets_ = true;
108
109 directional->setChecked( light_->directional() );
110
111 // Switch to right tab
112 if ( directional->isChecked() )
113 stackedWidget->setCurrentIndex(1);
114 else
115 stackedWidget->setCurrentIndex(0);
116
117 xdir->setText(QString::number(light_->direction()[0]));
118 ydir->setText(QString::number(light_->direction()[1]));
119 zdir->setText(QString::number(light_->direction()[2]));
120
121 xpos->setText(QString::number(light_->position()[0]));
122 ypos->setText(QString::number(light_->position()[1]));
123 zpos->setText(QString::number(light_->position()[2]));
124
125 fixedPosition->setChecked( light_->fixedPosition() );
126
127 spotx->setText(QString::number(light_->spotDirection()[0]));
128 spoty->setText(QString::number(light_->spotDirection()[1]));
129 spotz->setText(QString::number(light_->spotDirection()[2]));
130
131 angle->setText(QString::number(light_->spotCutoff()));
132 exponent->setText(QString::number(light_->spotExponent()));
133
134 ambientR->setText(QString::number(light_->ambientColor()[0]));
135 ambientG->setText(QString::number(light_->ambientColor()[1]));
136 ambientB->setText(QString::number(light_->ambientColor()[2]));
137 ambientA->setText(QString::number(light_->ambientColor()[3]));
138
139 diffuseR->setText(QString::number(light_->diffuseColor()[0]));
140 diffuseG->setText(QString::number(light_->diffuseColor()[1]));
141 diffuseB->setText(QString::number(light_->diffuseColor()[2]));
142 diffuseA->setText(QString::number(light_->diffuseColor()[3]));
143
144 specularR->setText(QString::number(light_->specularColor()[0]));
145 specularG->setText(QString::number(light_->specularColor()[1]));
146 specularB->setText(QString::number(light_->specularColor()[2]));
147 specularA->setText(QString::number(light_->specularColor()[3]));
148
149 brightness->setSliderPosition((int)(light_->brightness()*100));
150
151 radius->setText(QString::number(light_->radius()));
152
153 // Allow updates
154 updatingWidgets_ = false;
155
156 }
157
158
159 void LightWidget::directionalToggled() {
160
161 // Block if we currently update the widgets or if we dont get the object
162 if (updatingWidgets_ || !getObject() )
163 return;
164
165 // Switch to right tab
166 if ( directional->isChecked() )
167 stackedWidget->setCurrentIndex(1);
168 else
169 stackedWidget->setCurrentIndex(0);
170
171 if ( directional->isChecked() )
172 light_->direction( ACG::Vec3d( xdir->text().toDouble() ,ydir->text().toDouble() ,zdir->text().toDouble() ));
173 else
174 light_->position( ACG::Vec3d( xpos->text().toDouble() ,ypos->text().toDouble() ,zpos->text().toDouble() ));
175
176 updated();
177
178 }
179
180 void LightWidget::fixedPositionChanged() {
181
182 // Block if we currently update the widgets or if we dont get the object
183 if (updatingWidgets_ || !getObject() )
184 return;
185
186 light_->fixedPosition( fixedPosition->isChecked() );
187
188 updated();
189 }
190
191 void LightWidget::ambientChanged() {
192
193 // Block if we currently update the widgets or if we dont get the object
194 if (updatingWidgets_ || !getObject() )
195 return;
196
197 light_->ambientColor(ACG::Vec4f(ambientR->text().toDouble(),
198 ambientG->text().toDouble(),
199 ambientB->text().toDouble(),
200 ambientA->text().toDouble()));
201 updated();
202 }
203
204 void LightWidget::diffuseChanged() {
205
206 // Block if we currently update the widgets or if we dont get the object
207 if (updatingWidgets_ || !getObject() )
208 return;
209
210 light_->diffuseColor(ACG::Vec4f(diffuseR->text().toDouble(),
211 diffuseG->text().toDouble(),
212 diffuseB->text().toDouble(),
213 diffuseA->text().toDouble()));
214 updated();
215 }
216
217 void LightWidget::specularChanged() {
218
219 // Block if we currently update the widgets or if we dont get the object
220 if (updatingWidgets_ || !getObject() )
221 return;
222
223 light_->specularColor(ACG::Vec4f(specularR->text().toDouble(),
224 specularG->text().toDouble(),
225 specularB->text().toDouble(),
226 specularA->text().toDouble()));
227 updated();
228 }
229
230 void LightWidget::brightnessChanged(int _newValue) {
231
232 // Block if we currently update the widgets or if we dont get the object
233 if (updatingWidgets_ || !getObject() )
234 return;
235
236 float pos = _newValue;
237 pos /= 100.0f;
238
239 light_->brightness(pos);
240
241 updated();
242 }
243
244 void LightWidget::radiusChanged() {
245
246 // Block if we currently update the widgets or if we dont get the object
247 if (updatingWidgets_ || !getObject() )
248 return;
249
250 light_->radius(radius->text().toDouble());
251
252 updated();
253 }
254
255 void LightWidget::spotChanged() {
256 // Block if we currently update the widgets or if we dont get the object
257 if (updatingWidgets_ || !getObject() )
258 return;
259
260 light_->spotDirection( ACG::Vec3d( spotx->text().toDouble() ,spoty->text().toDouble() ,spotz->text().toDouble() ));
261 light_->spotCutoff(angle->text().toDouble());
262
263 light_->spotExponent(exponent->text().toDouble());
264
265 updated();
266 }
267
268 bool LightWidget::getObject() {
269
270 if ( !object_ ) {
271 for ( PluginFunctions::ObjectIterator o_it(PluginFunctions::ALL_OBJECTS,DATA_LIGHT) ; o_it != PluginFunctions::objectsEnd(); ++o_it) {
272 if ( o_it->hasNode(node_) ) {
273 object_ = PluginFunctions::lightObject(*o_it);
274 light_ = PluginFunctions::lightSource(object_);
275 return true;
276 }
277 }
278
279 std::cerr << " Object not found! " << std::endl;
280
281 // Not Found!
282 return false;
283 }
284
285 return true;
286 }
287
288 void LightWidget::updated() {
289
290 // Update the object
291 object_->update();
292
293 // Force a redraw
294 node_->setDirty();
295
296 }
ACG::SceneGraph::LightSource::position
void position(Vec3d _pos)
Set position for LightSource.
Definition: LightNode.cc:108
ACG::SceneGraph::LightSource::specularColor
void specularColor(Vec4f _color)
set Specular color for LightSource
Definition: LightNode.cc:160
LightWidget::updated
void updated()
Called when the object has been updated.
Definition: LightWidget.cc:288
PluginFunctions::lightObject
LightObject * lightObject(BaseObjectData *_object)
Cast an BaseObject to a LightObject if possible.
Definition: PluginFunctionsLight.cc:94
LightWidget::getObject
bool getObject()
Initializes the internal object. Returns true if successfull.
Definition: LightWidget.cc:268
LightWidget::fixedPositionChanged
void fixedPositionChanged()
The fixed position checkbox.
Definition: LightWidget.cc:180
OpenMesh::VectorT
Definition: Vector11T.hh:83
PluginFunctions::ALL_OBJECTS
const QStringList ALL_OBJECTS
Iterable object range.
Definition: PluginFunctions.hh:430
ACG::SceneGraph::LightSource::ambientColor
void ambientColor(Vec4f _color)
set Ambient color for LightSource
Definition: LightNode.cc:148
ACG::SceneGraph::LightSource::radius
float radius() const
Get light source radius.
Definition: LightNode.hh:206
PluginFunctions::objectsEnd
DLLEXPORT ObjectIterator objectsEnd()
Return Iterator to Object End.
Definition: PluginFunctionsIterator.cc:177
ACG::SceneGraph::LightNode
Definition: LightNode.hh:249
ACG::SceneGraph::LightSource::diffuseColor
void diffuseColor(Vec4f _color)
set Diffuse color for LightSource
Definition: LightNode.cc:154
PluginFunctions::ObjectIterator
Core Data Iterator.
Definition: PluginFunctions.hh:441
LightWidget::spotChanged
void spotChanged()
Spot direction changed.
Definition: LightWidget.cc:255
LightObject::update
virtual void update(UpdateType _type=UPDATE_ALL)
Update the Light Object.
Definition: LightObject.cc:330
ACG::SceneGraph::BaseNode
Definition: BaseNode.hh:104
ACG::SceneGraph::LightSource::direction
Vec3d direction() const
Get direction of the light source.
Definition: LightNode.cc:123
ACG::SceneGraph::ACG::SceneGraph::BaseNode::setDirty
void setDirty(bool _dirty=true)
mark node for redrawn
Definition: MeshNode2T_impl.hh:275
LightWidget::showEvent
virtual void showEvent(QShowEvent *event)
Initialize contents of widget before showing it.
Definition: LightWidget.cc:101
LightWidget::directionalToggled
void directionalToggled()
The directional checkbox changed -> update object.
Definition: LightWidget.cc:159
ACG::SceneGraph::LightSource::fixedPosition
void fixedPosition(bool _state)
make LightSource fixed or moveable with ModelViewMatrix
Definition: LightNode.cc:172
ACG::SceneGraph::LightSource::directional
bool directional() const
Check if the light source is a directional light source.
Definition: LightNode.cc:127
LightWidget::brightnessChanged
void brightnessChanged(int _newValue)
Brightness value has changed.
Definition: LightWidget.cc:230
ACG::SceneGraph::LightSource::spotDirection
void spotDirection(Vec3d _pos)
Set spot direction.
Definition: LightNode.cc:141
DATA_LIGHT
#define DATA_LIGHT
Definition: Light.hh:58
LightWidget::ambientChanged
void ambientChanged()
Color values have changed.
Definition: LightWidget.cc:191
LightWidget::radiusChanged
void radiusChanged()
Light radius has changed.
Definition: LightWidget.cc:244
PluginFunctions::lightSource
LightSource * lightSource(BaseObjectData *_object)
Get the lightSource in this Object.
Definition: PluginFunctionsLight.cc:100