OpenGL_NormalMapping/ex06viewer.cpp at master · cadehaley/OpenGL_NormalMapping · GitHub

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
//
//  Ex06viewer Widget
//

#include <QComboBox>
#include <QLabel>
#include <QGridLayout>
#include "ex06viewer.h"

//
//  Constructor
//
Ex06viewer::Ex06viewer()
{
   //  Set window title
   setWindowTitle(tr("HW8 - Cade Haley - Normal Mapping"));

   //  Create new OpenGL widget
   ogl = new Ex06opengl;

   //  Select shader
   QComboBox* shader = new QComboBox();
   shader->addItem("Fixed Pipeline");
   shader->addItem("Programmable Pipeline");
   shader->setCurrentIndex(1);

   //  Select projection
   QComboBox* projection = new QComboBox();
   projection->addItem("Orthogonal");
   projection->addItem("Perspective");
   projection->setCurrentIndex(1);

   //  Select object
   QComboBox* object = new QComboBox();
   object->addItem("Cube");

   //  Center position
   Lpos = new QSlider(Qt::Horizontal);
   Zpos = new QSlider(Qt::Horizontal);
   Lpos->setRange(0,360);
   Zpos->setRange(-100,100);

   //  View angle and zoom
   QLabel* angles = new QLabel();

   //  Pause/resume button
   light = new QPushButton("Pause");

   //  Reset
   QPushButton* rst = new QPushButton("Reset");
   //  Quit
   QPushButton* quit = new QPushButton("Quit");

   //  Set layout of child widgets
   QGridLayout* layout = new QGridLayout;
   layout->addWidget(ogl,0,0,8,1);
   layout->addWidget(new QLabel("Shader"),0,1);
   layout->addWidget(shader,0,2);
   layout->addWidget(new QLabel("Projection"),1,1);
   layout->addWidget(projection,1,2);
   layout->addWidget(new QLabel("Object"),2,1);
   layout->addWidget(object,2,2);
   layout->addWidget(new QLabel("Light Position"),3,1);
   layout->addWidget(Lpos,3,2);
   layout->addWidget(new QLabel("Light Elevation"),4,1);
   layout->addWidget(Zpos,4,2);
   layout->addWidget(new QLabel("Light"),5,1);
   layout->addWidget(light,5,2);
   layout->addWidget(new QLabel("Angles"),6,1);
   layout->addWidget(angles,6,2);
   layout->addWidget(rst,8,1);
   layout->addWidget(quit,8,2);
   //  Manage resizing
   layout->setColumnStretch(0,100);
   layout->setColumnMinimumWidth(0,100);
   layout->setRowStretch(7,100);
   setLayout(layout);

   //  Connect valueChanged() signals to ogl
   connect(shader,SIGNAL(currentIndexChanged(int))     , ogl,SLOT(setShader(int)));
   connect(object,SIGNAL(currentIndexChanged(int))     , ogl,SLOT(setObject(int)));
   connect(projection,SIGNAL(currentIndexChanged(int)) , ogl,SLOT(setPerspective(int)));
   connect(Lpos,SIGNAL(valueChanged(int)) , ogl,SLOT(setLightAngle(int)));
   connect(Zpos,SIGNAL(valueChanged(int)) , ogl,SLOT(setLightElevation(int)));
   //  Connect angles() and zoom() signal to labels
   connect(ogl,SIGNAL(angles(QString)) , angles,SLOT(setText(QString)));
   connect(ogl,SIGNAL(light(int))      , Lpos,SLOT(setValue(int)));
   //  Connect reset() and lmove() signals
   connect(rst  ,SIGNAL(pressed()),ogl,SLOT(reset()));
   connect(light,SIGNAL(pressed()),this,SLOT(lmove()));
   //  Connect quit() signal to qApp::quit()
   connect(quit,SIGNAL(pressed()) , qApp,SLOT(quit()));
}

//
//  Light pause/move
//
void Ex06viewer::lmove()
{
   bool pause = (light->text()=="Pause");
   if (pause)
      light->setText("Animate");
   else
      light->setText("Pause");
   ogl->setLightMove(!pause);
}