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code cleaning
This commit is contained in:
Anakin
2017-01-28 16:54:36 +01:00
parent 121f5c47f1
commit 96b7d6f736
15 changed files with 446 additions and 436 deletions
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29
QtMeshViewer/Source/FileInfoWindow.cpp
View File

@@ -1,29 +0,0 @@
#include "..\Header\FileInfoWindow.h"
#include <QIcon>
FileInfoWindow::FileInfoWindow(QWidget *parent)
: QWidget(parent)
, ui(new Ui::FileInfoWindow)
{
ui->setupUi(this);
setWindowFlags(Qt::Tool | Qt::NoDropShadowWindowHint);
ui->scrollArea->widget()->setStyleSheet("background-color: #ffffff");
}
FileInfoWindow::~FileInfoWindow()
{
delete ui;
}
void FileInfoWindow::setBasicText(QString text)
{
ui->basic->setText(text);
}
void FileInfoWindow::setDetailText(QString text)
{
ui->detail->setText(text);
}

192
QtMeshViewer/Source/GeometryEngine.cpp
View File

@@ -2,20 +2,18 @@
#include "..\Header\MshFile.h"
#include "..\Header\OglViewerWidget.h"
#include "..\Header\MainWindow.h"
#include <cmath>
#include <QRegExp>
/////////////////////////////////////////////////////////////////////////
// public constructor/destructor
// constructor/destructor
GeometryEngine::GeometryEngine(QObject *parent)
: QObject(parent)
, m_indexBuf(QOpenGLBuffer::IndexBuffer)
, m_defaultMaterial(FileInterface::getDefaultMaterial())
{
initializeOpenGLFunctions();
m_defaultMaterial = FileInterface::getDefaultMaterial();
}
GeometryEngine::~GeometryEngine()
@@ -27,7 +25,7 @@ GeometryEngine::~GeometryEngine()
/////////////////////////////////////////////////////////////////////////
// private functions
// functions
void GeometryEngine::clearData()
{
@@ -52,9 +50,100 @@ void GeometryEngine::clearData()
m_drawList.clear();
}
void GeometryEngine::drawGeometry(QOpenGLShaderProgram *program, bool wireframe)
{
if (!m_arrayBuf.isCreated() || !m_indexBuf.isCreated())
return;
// Setup
// Tell OpenGL which VBOs to use
m_arrayBuf.bind();
m_indexBuf.bind();
// Allways normalize by this
QMatrix4x4 normMatrix;
float maxExtent = std::max(std::max(m_boundings.extents[0], m_boundings.extents[1]), m_boundings.extents[2]);
normMatrix.scale(1 / maxExtent);
normMatrix.translate(-m_boundings.center[0], -m_boundings.center[1], -m_boundings.center[2]);
program->setUniformValue("norm_matrix", normMatrix);
// Allways use texture unit 0
program->setUniformValue("texture", 0);
// Offset for position
quintptr offset = 0;
// Tell OpenGL programmable pipeline how to locate vertex position data
int vertexLocation = program->attributeLocation("a_position");
program->enableAttributeArray(vertexLocation);
program->setAttributeBuffer(vertexLocation, GL_FLOAT, offset, 3, sizeof(VertexData));
// Offset for texture coordinate
offset += sizeof(QVector3D);
// Tell OpenGL programmable pipeline how to locate vertex texture coordinate data
int texcoordLocation = program->attributeLocation("a_texcoord");
program->enableAttributeArray(texcoordLocation);
program->setAttributeBuffer(texcoordLocation, GL_FLOAT, offset, 2, sizeof(VertexData));
//Offset for normal
offset += sizeof(QVector2D);
// Tell OpenGL programmable pipeline how to locate vertex normal data
int normLocation = program->attributeLocation("a_normal");
program->enableAttributeArray(normLocation);
program->setAttributeBuffer(normLocation, GL_FLOAT, offset, 3, sizeof(VertexData));
// Paint
for (auto& it : m_drawList)
{
bool tmp_transparent(false);
bool tmp_specular(false);
float shininess(0.0);
QVector3D specularColor;
// bind the correct texture
if (it.textureIndex < (unsigned)m_materials->size() && m_materials->at(it.textureIndex).texture0 != Q_NULLPTR)
{
m_materials->at(it.textureIndex).texture0->bind();
tmp_transparent = m_materials->at(it.textureIndex).transparent;
tmp_specular = m_materials->at(it.textureIndex).flags[7];
shininess = m_materials->at(it.textureIndex).shininess;
specularColor = m_materials->at(it.textureIndex).specularColor.toVector3D();
}
else
{
m_defaultMaterial->texture0->bind();
tmp_transparent = m_defaultMaterial->transparent;
}
// Set model matrix
program->setUniformValue("m_matrix", it.modelMatrix);
// Set normal matrix
program->setUniformValue("n_matrix", (normMatrix * it.modelMatrix).normalMatrix());
// set some more values
program->setUniformValue("b_transparent", tmp_transparent);
program->setUniformValue("b_specular", tmp_specular);
// set some material attributes
program->setUniformValue("materialShininess", shininess);
program->setUniformValue("materialSpecularColor", specularColor);
// Draw cube geometry using indices from VBO 1
if (wireframe)
glPolygonMode(GL_FRONT_AND_BACK, GL_LINE);
glDrawElements(GL_TRIANGLES, it.size, GL_UNSIGNED_INT, (void*)(it.offset * sizeof(GLuint)));
glPolygonMode(GL_FRONT_AND_BACK, GL_FILL);
}
}
/////////////////////////////////////////////////////////////////////////
// public slots
// slots
void GeometryEngine::loadFile(QString filePath)
{
@@ -134,94 +223,3 @@ void GeometryEngine::loadFile(QString filePath)
}
}
void GeometryEngine::drawGeometry(QOpenGLShaderProgram *program, bool wireframe)
{
if (!m_arrayBuf.isCreated() || !m_indexBuf.isCreated())
return;
// Setup
// Tell OpenGL which VBOs to use
m_arrayBuf.bind();
m_indexBuf.bind();
// Allways normalize by this
QMatrix4x4 normMatrix;
float maxExtent = std::max(std::max(m_boundings.extents[0], m_boundings.extents[1]), m_boundings.extents[2]);
normMatrix.scale(1 / maxExtent);
normMatrix.translate(-m_boundings.center[0], -m_boundings.center[1], -m_boundings.center[2]);
program->setUniformValue("norm_matrix", normMatrix);
// Allways use texture unit 0
program->setUniformValue("texture", 0);
// Offset for position
quintptr offset = 0;
// Tell OpenGL programmable pipeline how to locate vertex position data
int vertexLocation = program->attributeLocation("a_position");
program->enableAttributeArray(vertexLocation);
program->setAttributeBuffer(vertexLocation, GL_FLOAT, offset, 3, sizeof(VertexData));
// Offset for texture coordinate
offset += sizeof(QVector3D);
// Tell OpenGL programmable pipeline how to locate vertex texture coordinate data
int texcoordLocation = program->attributeLocation("a_texcoord");
program->enableAttributeArray(texcoordLocation);
program->setAttributeBuffer(texcoordLocation, GL_FLOAT, offset, 2, sizeof(VertexData));
//Offset for normal
offset += sizeof(QVector2D);
// Tell OpenGL programmable pipeline how to locate vertex normal data
int normLocation = program->attributeLocation("a_normal");
program->enableAttributeArray(normLocation);
program->setAttributeBuffer(normLocation, GL_FLOAT, offset, 3, sizeof(VertexData));
// Paint
for (auto& it : m_drawList)
{
bool tmp_transparent(false);
bool tmp_specular(false);
float shininess(0.0);
QVector3D specularColor;
// bind the correct texture
if (it.textureIndex < (unsigned) m_materials->size() && m_materials->at(it.textureIndex).texture0 != Q_NULLPTR)
{
m_materials->at(it.textureIndex).texture0->bind();
tmp_transparent = m_materials->at(it.textureIndex).transparent;
tmp_specular = m_materials->at(it.textureIndex).flags[7];
shininess = m_materials->at(it.textureIndex).shininess;
specularColor = m_materials->at(it.textureIndex).specularColor.toVector3D();
}
else
{
m_defaultMaterial->texture0->bind();
tmp_transparent = m_defaultMaterial->transparent;
}
// Set model matrix
program->setUniformValue("m_matrix", it.modelMatrix);
// Set normal matrix
program->setUniformValue("n_matrix", (normMatrix * it.modelMatrix).normalMatrix());
// set some more values
program->setUniformValue("b_transparent", tmp_transparent);
program->setUniformValue("b_specular", tmp_specular);
// set some material attributes
program->setUniformValue("materialShininess", shininess);
program->setUniformValue("materialSpecularColor", specularColor);
// Draw cube geometry using indices from VBO 1
if(wireframe)
glPolygonMode(GL_FRONT_AND_BACK, GL_LINE);
glDrawElements(GL_TRIANGLES, it.size, GL_UNSIGNED_INT, (void*)(it.offset * sizeof(GLuint)));
glPolygonMode(GL_FRONT_AND_BACK, GL_FILL);
}
}

170
QtMeshViewer/Source/MainWindow.cpp
View File

@@ -1,32 +1,37 @@
#include "..\Header\MainWindow.h"
#include "..\Header\OglViewerWidget.h"
#include <QSurfaceFormat>
#include <QMessageBox>
#include <QFileDialog>
#include <QPalette>
#include <QAction>
#include <QSignalMapper>
#include <QFile>
#include <QSizePolicy>
#include <QFont>
#include <QResizeEvent>
#include <QToolButton>
#include "..\Header\FileInterface.h"
#include <QSurfaceFormat>
#include <QSignalMapper>
#include <QToolButton>
#include <QFile>
#include <QFileDialog>
#include <QMessageBox>
#include <QPalette>
#include <QResizeEvent>
#define WINDOW_NAME "Mesh Viewer"
/////////////////////////////////////////////////////////////////////////
// constructor/destructor
MainWindow::MainWindow(QWidget *parent)
: QMainWindow(parent)
, ui(new Ui::MainWindowClass)
, m_curSeverity(0)
, m_output(new QLabel(this))
, m_curSeverity(0)
, m_infoWindow(new FileInfoWindow(this))
{
// setup window
ui->setupUi(this);
setWindowTitle(WINDOW_NAME);
setWindowIcon(QIcon(":/images/icon.ico"));
printMessage("MeshViewer by Anakin", 0);
// setup opengl things
QSurfaceFormat format;
format.setDepthBufferSize(24);
format.setMajorVersion(2);
@@ -34,12 +39,13 @@ MainWindow::MainWindow(QWidget *parent)
format.setProfile(QSurfaceFormat::NoProfile);
QSurfaceFormat::setDefaultFormat(format);
// set default text to file info
m_fileInfo = "Filename: -\nMaterials: -\nVertices: -\nTriangle: -<detail>No file is open";
// add widgets to the window
setupWidgets();
printMessage("MeshViewer by Anakin", 0);
m_fileInfo += "Filename: -\nMaterials: -\nVertices: -\nTriangle: -<detail>No file is open";
// load stylesheet
QFile styleSheet(":/files/StyleSheet.txt");
styleSheet.open(QIODevice::ReadOnly);
this->setStyleSheet(styleSheet.readAll());
@@ -52,35 +58,37 @@ MainWindow::~MainWindow()
delete m_infoWindow;
}
void MainWindow::openFile()
{
QString fileName = QFileDialog::getOpenFileName(this, "Open File", "", "Mesh (*.msh)");
if(!fileName.isEmpty())
emit loadFile(fileName);
}
/////////////////////////////////////////////////////////////////////////
// functions
void MainWindow::setupWidgets()
{
// Ogl Viewer
OglViewerWidget* viewer = new OglViewerWidget(this);
setCentralWidget(viewer);
connect(viewer, &OglViewerWidget::sendMessage, this, &MainWindow::printMessage);
// open file
QToolButton *openFile = new QToolButton(this);
openFile->setObjectName("openFile");
openFile->setToolTip("open file");
connect(openFile, &QToolButton::pressed, this, &MainWindow::openFile);
ui->mainToolBar->addWidget(openFile);
// screenshot
QToolButton *screenshot = new QToolButton(this);
screenshot->setObjectName("screenshot");
screenshot->setToolTip("take screenshot");
connect(screenshot, &QToolButton::pressed, this, &MainWindow::takeScreenShot);
ui->mainToolBar->addWidget(screenshot);
//////////////////////////////////////////////////
ui->mainToolBar->addSeparator();
QSignalMapper* signalMapper = new QSignalMapper(this);
// X
QToolButton *x = new QToolButton(this);
x->setObjectName("x");
x->setToolTip("x-direction");
@@ -88,6 +96,7 @@ void MainWindow::setupWidgets()
x->setChecked(true);
ui->mainToolBar->addWidget(x);
// Y
QToolButton *y = new QToolButton(this);
y->setObjectName("y");
y->setToolTip("y-direction");
@@ -95,6 +104,7 @@ void MainWindow::setupWidgets()
y->setChecked(true);
ui->mainToolBar->addWidget(y);
// Z
QToolButton *z = new QToolButton(this);
z->setObjectName("z");
z->setToolTip("z-direction");
@@ -110,10 +120,12 @@ void MainWindow::setupWidgets()
signalMapper->setMapping(y, 2);
signalMapper->setMapping(z, 3);
connect(signalMapper, SIGNAL(mapped(int)), viewer, SLOT(changeDirection(int)));
connect(signalMapper, SIGNAL(mapped(int)), viewer, SLOT(toggleAxis(int)));
//////////////////////////////////////////////////
ui->mainToolBar->addSeparator();
// wireframe
QToolButton *wireframe = new QToolButton(this);
wireframe->setObjectName("wireframe");
wireframe->setToolTip("wireframe");
@@ -122,6 +134,7 @@ void MainWindow::setupWidgets()
connect(wireframe, &QToolButton::pressed, viewer, &OglViewerWidget::toggleWireframe);
ui->mainToolBar->addWidget(wireframe);
// light
QToolButton *light = new QToolButton(this);
light->setObjectName("light");
light->setToolTip("toggle light");
@@ -130,48 +143,52 @@ void MainWindow::setupWidgets()
connect(light, &QToolButton::pressed, viewer, &OglViewerWidget::toggleLight);
ui->mainToolBar->addWidget(light);
// settings
QToolButton *settings = new QToolButton(this);
settings->setObjectName("settings");
settings->setToolTip("settings");
connect(settings, &QToolButton::pressed, viewer, &OglViewerWidget::showSettings);
ui->mainToolBar->addWidget(settings);
//////////////////////////////////////////////////
ui->mainToolBar->addSeparator();
// fileinfo
QToolButton *fileInfo = new QToolButton(this);
fileInfo->setObjectName("fileInfo");
fileInfo->setToolTip("file info");
connect(fileInfo, &QToolButton::pressed, this, &MainWindow::aboutFile);
connect(fileInfo, &QToolButton::pressed, m_infoWindow, &FileInfoWindow::show);
ui->mainToolBar->addWidget(fileInfo);
// help
QToolButton *help = new QToolButton(this);
help->setObjectName("help");
help->setToolTip("help");
connect(help, &QToolButton::pressed, this, &MainWindow::aboutTool);
ui->mainToolBar->addWidget(help);
// output on screen
m_output->setObjectName("output");
m_output->setStyleSheet("QLabel#output{color : white; min-width: 400px; min-height: 50px;}");
m_output->setAlignment(Qt::AlignTop);
m_output->setText("Name: -\nMaterials: -\nVertice: -\nTriangle: -");
m_output->setText(m_fileInfo.left(m_fileInfo.indexOf("<detail>")));
m_output->raise();
}
void MainWindow::aboutFile()
void MainWindow::openFile()
{
/*QMessageBox* dialog = new QMessageBox(QMessageBox::NoIcon,
WINDOW_NAME,
QString(m_fileInfo.left(m_fileInfo.indexOf("<detail>"))),
QMessageBox::StandardButton::Close,
this,
Qt::Dialog | Qt::MSWindowsFixedSizeDialogHint);
QString fileName = QFileDialog::getOpenFileName(this, "Open File", "", "Mesh (*.msh)");
if(!fileName.isEmpty())
emit loadFile(fileName);
}
dialog->setStyleSheet("QLabel{min-width: 200px;}");
dialog->setDetailedText(QString(m_fileInfo.right(m_fileInfo.size() - m_fileInfo.indexOf("<detail>") - 8)));
dialog->exec();
delete dialog;*/
m_infoWindow->show();
void MainWindow::takeScreenShot()
{
QString destination = QFileDialog::getSaveFileName(this, "Save as...", "", "PNG (*.png);; BMP (*.bmp);;TIFF (*.tiff, *.tif);;JPEG (*.jpg *jpeg)");
OglViewerWidget* viewer = dynamic_cast<OglViewerWidget*>(centralWidget());
if (!destination.isEmpty() && viewer != NULL)
viewer->grab().save(destination);
}
void MainWindow::aboutTool()
@@ -193,22 +210,48 @@ void MainWindow::aboutTool()
delete dialog;
}
void MainWindow::takeScreenShot()
{
QString destination = QFileDialog::getSaveFileName(this, "Save as...", "", "PNG (*.png);; BMP (*.bmp);;TIFF (*.tiff, *.tif);;JPEG (*.jpg *jpeg)");
OglViewerWidget* viewer = dynamic_cast<OglViewerWidget*>(centralWidget());
if (!destination.isEmpty() && viewer != NULL)
viewer->grab().save(destination);
}
void MainWindow::resizeEvent(QResizeEvent * e)
{
m_output->move(40, e->size().height() - 80);
}
/////////////////////////////////////////////////////////////////////////
// slots
void MainWindow::printMessage(QString message, int severity)
{
if (!ui->statusBar->currentMessage().isEmpty() && severity < m_curSeverity)
return;
m_curSeverity = severity;
int time(0);
QPalette palette;
switch (severity)
{
case 1:
time = 3000;
palette.setColor(QPalette::WindowText, Qt::darkYellow);
break;
case 2:
time = 3000;
palette.setColor(QPalette::WindowText, Qt::red);
break;
case 0:
default:
time = 2000;
palette.setColor(QPalette::WindowText, Qt::black);
break;
}
ui->statusBar->setPalette(palette);
ui->statusBar->showMessage(message, time);
}
void MainWindow::setFileInfo(QString name, QVector<Material>* materials, int vertices, int triangle)
{
// save basic file information
m_fileInfo = QByteArray("Filename: ");
m_fileInfo += name;
m_fileInfo += "\nMaterials: ";
@@ -219,6 +262,7 @@ void MainWindow::setFileInfo(QString name, QVector<Material>* materials, int ver
m_fileInfo += QByteArray::number(triangle);
m_fileInfo += "<detail>";
// add detailed information
for (auto& it : *materials)
{
m_fileInfo += it.name;
@@ -307,39 +351,11 @@ void MainWindow::setFileInfo(QString name, QVector<Material>* materials, int ver
m_fileInfo += "-----------------------------------------------------------------\n";
}
// print basic information on screen
m_output->setText(m_fileInfo.left(m_fileInfo.indexOf("<detail>")));
// print basic and detailed information on info window
m_infoWindow->setBasicText(QString(m_fileInfo.left(m_fileInfo.indexOf("<detail>"))));
m_infoWindow->setDetailText(QString(m_fileInfo.right(m_fileInfo.size() - m_fileInfo.indexOf("<detail>") - 8)));
}
void MainWindow::printMessage(QString message, int severity)
{
if (!ui->statusBar->currentMessage().isEmpty() && severity < m_curSeverity)
return;
m_curSeverity = severity;
int time(0);
QPalette palette;
switch (severity)
{
case 1:
time = 3000;
palette.setColor(QPalette::WindowText, Qt::darkYellow);
break;
case 2:
time = 3000;
palette.setColor(QPalette::WindowText, Qt::red);
break;
case 0:
default:
time = 2000;
palette.setColor(QPalette::WindowText, Qt::black);
break;
}
ui->statusBar->setPalette(palette);
ui->statusBar->showMessage(message, time);
}

304
QtMeshViewer/Source/OglViewerWidget.cpp
View File

@@ -1,23 +1,20 @@
#include "..\Header\OglViewerWidget.h"
#include "..\Header\MainWindow.h"
#include <QMouseEvent>
#include <QDropEvent>
#include <QMimeData>
#include <math.h>
#include <iostream>
#define DEFAULT_Z_DISTANCE -4.0
/////////////////////////////////////////////////////////////////////////
// public constructor/destructor
// constructor/destructor
OglViewerWidget::OglViewerWidget(QWidget *parent)
: QOpenGLWidget(parent)
, m_dataEngine(0)
{
setFocus();
m_translation.setZ(DEFAULT_Z_DISTANCE);
setAcceptDrops(true);
m_settings = new SettingsWindow(m_backgroundColorOff.toVector3D() * 255, m_backgroundColorOn.toVector3D() * 255, m_light.intensities * 255, true, m_light.ambientCoefficient, m_light.attenuationFactor, 1, this);
@@ -42,7 +39,135 @@ OglViewerWidget::~OglViewerWidget()
/////////////////////////////////////////////////////////////////////////
// protected functions
// functions
void OglViewerWidget::initShaders()
{
// Compile vertex shader
if (!m_program.addShaderFromSourceFile(QOpenGLShader::Vertex, ":/shaders/vshader.glsl"))
close();
// Compile fragment shader
if (!m_program.addShaderFromSourceFile(QOpenGLShader::Fragment, ":/shaders/fshader.glsl"))
close();
// Link shader pipeline
if (!m_program.link())
close();
// Bind shader pipeline for use
if (!m_program.bind())
close();
}
void OglViewerWidget::setConnections()
{
connect(m_dataEngine, &GeometryEngine::requestResetView, this, &OglViewerWidget::resetView);
connect(parentWidget(), SIGNAL(loadFile(QString)), m_dataEngine, SLOT(loadFile(QString)));
connect(this, SIGNAL(loadFile(QString)), m_dataEngine, SLOT(loadFile(QString)));
connect(m_dataEngine, SIGNAL(sendMessage(QString, int)), parentWidget(), SLOT(printMessage(QString, int)));
connect(m_dataEngine, SIGNAL(requestUpdate()), this, SLOT(update()));
connect(m_dataEngine, SIGNAL(sendFileInfo(QString, QVector<Material>*, int, int)), parentWidget(), SLOT(setFileInfo(QString, QVector<Material>*, int, int)));
}
void OglViewerWidget::resetView()
{
m_rotation = QQuaternion();
m_translation = { 0.0, 0.0, DEFAULT_Z_DISTANCE };
m_zSpeed = 1;
update();
}
void OglViewerWidget::updateLightPosition()
{
QMatrix4x4 rotateBack;
rotateBack.rotate(m_rotation.inverted());
QVector3D cameraPosition = rotateBack * (-m_translation);
m_light.position.setX(cameraPosition.x());
m_light.position.setY(cameraPosition.y());
m_light.position.setZ(cameraPosition.z());
}
// OpenGL ///////////////////////////////////////////////////////////////
void OglViewerWidget::initializeGL()
{
initializeOpenGLFunctions();
initShaders();
// Enable depth buffer
glEnable(GL_DEPTH_TEST);
//TODO: make this optional
// Enable back face culling
//glEnable(GL_CULL_FACE);
// Enable transparency
glEnable(GL_BLEND);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
m_dataEngine = new GeometryEngine(this);
setConnections();
}
void OglViewerWidget::resizeGL(int w, int h)
{
// Calculate aspect ratio
qreal aspect = qreal(w) / qreal(h ? h : 1);
// Set near plane to 3.0, far plane to 7.0, field of view 45 degrees
const qreal zNear = 0.1, zFar = 100.0, fov = 45.0;
// Reset projection
m_projection.setToIdentity();
// Set perspective projection
m_projection.perspective(fov, aspect, zNear, zFar);
}
void OglViewerWidget::paintGL()
{
// set background color, last value is dirtybit
if (m_lightOn && m_backgroundColorOn[3] == 1.0)
{
glClearColor(m_backgroundColorOn[0], m_backgroundColorOn[1], m_backgroundColorOn[2], 0.0000f);
m_backgroundColorOn[3] = 0.0;
}
else if (!m_lightOn && m_backgroundColorOff[3] == 1.0)
{
glClearColor(m_backgroundColorOff[0], m_backgroundColorOff[1], m_backgroundColorOff[2], 0.0000f);
m_backgroundColorOff[3] = 0.0;
}
// Clear color and depth buffer
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
// Calculate view transformation
QMatrix4x4 view;
view.translate(m_translation);
view.rotate(m_rotation);
// Set view-projection matrix
m_program.setUniformValue("vp_matrix", m_projection * view);
// Set Light values
m_program.setUniformValue("b_light", m_lightOn);
m_program.setUniformValue("light.position", m_light.position);
m_program.setUniformValue("light.intensities", m_light.intensities);
m_program.setUniformValue("light.attenuationFactor", m_light.attenuationFactor);
m_program.setUniformValue("light.ambientCoefficient", m_light.ambientCoefficient);
// Set camera position
QMatrix4x4 rotateBack;
rotateBack.rotate(m_rotation.inverted());
m_program.setUniformValue("cameraPosition", rotateBack * (-m_translation));
// Draw cube geometry
m_dataEngine->drawGeometry(&m_program, m_wireframe);
}
// Inputs ///////////////////////////////////////////////////////////////
void OglViewerWidget::mousePressEvent(QMouseEvent *e)
{
@@ -74,11 +199,13 @@ void OglViewerWidget::mouseMoveEvent(QMouseEvent *e)
// update the new position
m_mouse.position = QVector2D(e->localPos());
// calculate the rotation axis and rotate
// calculate the rotations depending on the active axis
// XYZ
if (m_rotDirections.x && m_rotDirections.y && m_rotDirections.z)
{
m_rotation = QQuaternion::fromAxisAndAngle(QVector3D(diff.y(), diff.x(), 0.0).normalized(), diff.length() * 0.5) * m_rotation;
}
// XY
else if (m_rotDirections.x && m_rotDirections.y && !m_rotDirections.z)
{
@@ -96,18 +223,22 @@ void OglViewerWidget::mouseMoveEvent(QMouseEvent *e)
m_rotation = QQuaternion::fromEulerAngles(pitch, yaw, roll);
}
// X
else if (m_rotDirections.x && !m_rotDirections.y && !m_rotDirections.z)
{
m_rotation = QQuaternion::fromAxisAndAngle(QVector3D(0.0, 1.0, 0.0).normalized(), diff.x() * 0.5) * m_rotation;
}
// Y
else if (!m_rotDirections.x && m_rotDirections.y && !m_rotDirections.z)
{
m_rotation = QQuaternion::fromAxisAndAngle(QVector3D(1.0, 0.0, 0.0).normalized(), diff.y() * 0.5) * m_rotation;
}
// Z
else if (!m_rotDirections.x && !m_rotDirections.y && m_rotDirections.z)
{
m_rotation = QQuaternion::fromAxisAndAngle(QVector3D(0.0, 0.0, 1.0).normalized(), diff.x() * 0.5) * m_rotation;
}
// XZ
else if (m_rotDirections.x && !m_rotDirections.y && m_rotDirections.z)
{
float pitch, yaw, roll;
@@ -117,6 +248,7 @@ void OglViewerWidget::mouseMoveEvent(QMouseEvent *e)
m_rotation = QQuaternion::fromEulerAngles(pitch, yaw, roll);
}
// YZ
else if (!m_rotDirections.x && m_rotDirections.y && m_rotDirections.z)
{
float pitch, yaw, roll;
@@ -132,7 +264,6 @@ void OglViewerWidget::mouseMoveEvent(QMouseEvent *e)
m_rotation = QQuaternion::fromEulerAngles(pitch, yaw, roll);
}
// request an update
update();
}
@@ -158,20 +289,6 @@ void OglViewerWidget::wheelEvent(QWheelEvent *e)
update();
}
void OglViewerWidget::dragEnterEvent(QDragEnterEvent *e)
{
if (e->mimeData()->hasUrls())
if(e->mimeData()->urls().size() == 1)
if(e->mimeData()->urls().first().toLocalFile().endsWith(".msh"))
e->acceptProposedAction();
}
void OglViewerWidget::dropEvent(QDropEvent * e)
{
emit loadFile(e->mimeData()->urls().first().toLocalFile());
}
void OglViewerWidget::keyPressEvent(QKeyEvent *e)
{
if (e->key() == Qt::Key_Space)
@@ -200,147 +317,27 @@ void OglViewerWidget::keyPressEvent(QKeyEvent *e)
}
}
void OglViewerWidget::initializeGL()
void OglViewerWidget::dragEnterEvent(QDragEnterEvent *e)
{
initializeOpenGLFunctions();
//glClearColor(0.5000f, 0.8000f, 1.0000f, 0.0000f);
initShaders();
// Enable depth buffer
glEnable(GL_DEPTH_TEST);
// Enable back face culling
//glEnable(GL_CULL_FACE);
// Enable transparency
glEnable(GL_BLEND);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
m_dataEngine = new GeometryEngine(this);
setConnections();
}
void OglViewerWidget::resizeGL(int w, int h)
{
// Calculate aspect ratio
qreal aspect = qreal(w) / qreal(h ? h : 1);
// Set near plane to 3.0, far plane to 7.0, field of view 45 degrees
const qreal zNear = 0.1, zFar = 100.0, fov = 45.0;
// Reset projection
m_projection.setToIdentity();
// Set perspective projection
m_projection.perspective(fov, aspect, zNear, zFar);
}
void OglViewerWidget::paintGL()
{
if (m_lightOn && m_backgroundColorOn[3] == 1.0)
{
glClearColor(m_backgroundColorOn[0], m_backgroundColorOn[1], m_backgroundColorOn[2], 0.0000f);
m_backgroundColorOn[3] = 0.0;
}
else if(!m_lightOn && m_backgroundColorOff[3] == 1.0)
{
glClearColor(m_backgroundColorOff[0], m_backgroundColorOff[1], m_backgroundColorOff[2], 0.0000f);
m_backgroundColorOff[3] = 0.0;
}
// Clear color and depth buffer
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
// Calculate model view transformation
QMatrix4x4 view;
view.translate(m_translation);
view.rotate(m_rotation);
// Set view-projection matrix
m_program.setUniformValue("vp_matrix", m_projection * view);
// Set Light values
m_program.setUniformValue("b_light", m_lightOn);
m_program.setUniformValue("light.position", m_light.position);
m_program.setUniformValue("light.intensities", m_light.intensities);
m_program.setUniformValue("light.attenuationFactor", m_light.attenuationFactor);
m_program.setUniformValue("light.ambientCoefficient", m_light.ambientCoefficient);
// Set camera position
QMatrix4x4 rotateBack;
rotateBack.rotate(m_rotation.inverted());
m_program.setUniformValue("cameraPosition", rotateBack * (-m_translation));
// Draw cube geometry
m_dataEngine->drawGeometry(&m_program, m_wireframe);
}
/////////////////////////////////////////////////////////////////////////
// private functions
void OglViewerWidget::initShaders()
{
// Compile vertex shader
if (!m_program.addShaderFromSourceFile(QOpenGLShader::Vertex, ":/shaders/vshader.glsl"))
close();
// Compile fragment shader
if (!m_program.addShaderFromSourceFile(QOpenGLShader::Fragment, ":/shaders/fshader.glsl"))
close();
// Link shader pipeline
if (!m_program.link())
close();
// Bind shader pipeline for use
if (!m_program.bind())
close();
}
void OglViewerWidget::setConnections()
{
connect(m_dataEngine, &GeometryEngine::requestResetView, this, &OglViewerWidget::resetView);
connect(parentWidget(), SIGNAL(loadFile(QString)), m_dataEngine, SLOT(loadFile(QString)));
connect(this, SIGNAL(loadFile(QString)), m_dataEngine, SLOT(loadFile(QString)));
connect(m_dataEngine, SIGNAL(sendMessage(QString, int)), parentWidget(), SLOT(printMessage(QString, int)));
connect(m_dataEngine, SIGNAL(requestUpdate()), this, SLOT(update()));
connect(m_dataEngine, SIGNAL(sendFileInfo(QString, QVector<Material>*, int, int)), parentWidget(), SLOT(setFileInfo(QString, QVector<Material>*, int, int)));
if (e->mimeData()->hasUrls())
if(e->mimeData()->urls().size() == 1)
if(e->mimeData()->urls().first().toLocalFile().endsWith(".msh"))
e->acceptProposedAction();
}
void OglViewerWidget::updateLightPosition()
void OglViewerWidget::dropEvent(QDropEvent * e)
{
QMatrix4x4 rotateBack;
rotateBack.rotate(m_rotation.inverted());
QVector3D cameraPosition = rotateBack * (-m_translation);
m_light.position.setX(cameraPosition.x());
m_light.position.setY(cameraPosition.y());
m_light.position.setZ(cameraPosition.z());
}
/////////////////////////////////////////////////////////////////////////
// private slots
void OglViewerWidget::resetView()
{
m_rotation = QQuaternion();
m_translation = { 0.0, 0.0, DEFAULT_Z_DISTANCE };
m_zSpeed = 1;
update();
emit loadFile(e->mimeData()->urls().first().toLocalFile());
}
/////////////////////////////////////////////////////////////////////////
// public slots
void OglViewerWidget::changeDirection(int direction)
void OglViewerWidget::toggleAxis(int axis)
{
switch (direction)
switch (axis)
{
case 1:
m_rotDirections.x = !m_rotDirections.x;
@@ -356,13 +353,13 @@ void OglViewerWidget::changeDirection(int direction)
void OglViewerWidget::toggleWireframe()
{
m_wireframe = 1 - m_wireframe;
m_wireframe = !m_wireframe;
update();
}
void OglViewerWidget::toggleLight()
{
m_lightOn = 1 - m_lightOn;
m_lightOn = !m_lightOn;
if (m_lightOn)
{
@@ -373,6 +370,7 @@ void OglViewerWidget::toggleLight()
{
m_backgroundColorOff[3] = 1.0;
}
update();
}

13
QtMeshViewer/Source/SettingsWindow.cpp
View File

@@ -1,5 +1,8 @@
#include "..\Header\SettingsWindow.h"
#include <QString>
/////////////////////////////////////////////////////////////////////////
// constructor/destructor
SettingsWindow::SettingsWindow(QVector3D bgOffColor, QVector3D bgOnColor, QVector3D lightColor, bool autoColor, double ambCoef, double attFac, int lightType, QWidget * parent)
: QWidget(parent)
@@ -38,6 +41,10 @@ SettingsWindow::~SettingsWindow()
delete ui;
}
/////////////////////////////////////////////////////////////////////////
// functions
void SettingsWindow::setupConnections()
{
// light off
@@ -87,8 +94,8 @@ void SettingsWindow::setupConnections()
}
////////////////////////////////////////////////////////////////////////////////
// connection slots
/////////////////////////////////////////////////////////////////////////
// slots
void SettingsWindow::autoColorToggled()
{