void View3D::addAnnotation(const QString& label, const QString& text,
const Imath::V3d& pos)
{
GLuint programId = m_annotationShader->shaderProgram().programId();
auto annotation = std::make_shared<Annotation>(label, programId, text, pos);
m_annotations.append(annotation);
restartRender();
}
void View3D::setSelectionModel(QItemSelectionModel* selectionModel)
{
assert(selectionModel);
if (selectionModel->model() != m_geometries)
{
assert(0 && "Attempt to set incompatible selection model");
return;
}
if (m_selectionModel)
{
disconnect(m_selectionModel, SIGNAL(selectionChanged(QItemSelection,QItemSelection)),
this, SLOT(restartRender()));
}
m_selectionModel = selectionModel;
connect(m_selectionModel, SIGNAL(selectionChanged(QItemSelection,QItemSelection)),
this, SLOT(restartRender()));
}
void View3D::removeAnnotations(const QRegExp& labelRegex)
{
QVector<std::shared_ptr<Annotation>> annotations;
foreach (auto annotation, m_annotations)
{
if (!labelRegex.exactMatch(annotation->label()))
annotations.append(annotation);
}
m_annotations = annotations;
restartRender();
}
void View3D::mouseMoveEvent(QMouseEvent* event)
{
if (m_mouseButton == Qt::MidButton)
return;
bool zooming = m_mouseButton == Qt::RightButton;
if(event->modifiers() & Qt::ControlModifier)
{
m_cursorPos = m_camera.mouseMovePoint(m_cursorPos,
event->pos() - m_prevMousePos,
zooming);
restartRender();
}
else
m_camera.mouseDrag(m_prevMousePos, event->pos(), zooming);
m_prevMousePos = event->pos();
}
//------------------------------------------------------------------------------
View3D::View3D(GeometryCollection* geometries, const QGLFormat& format, QWidget *parent)
: QGLWidget(format, parent),
m_camera(false, false),
m_mouseButton(Qt::NoButton),
m_explicitCursorPos(false),
m_cursorPos(0),
m_prevCursorSnap(0),
m_backgroundColor(60, 50, 50),
m_drawBoundingBoxes(true),
m_drawCursor(true),
m_drawAxes(true),
m_drawGrid(false),
m_badOpenGL(false),
m_shaderProgram(),
m_geometries(geometries),
m_selectionModel(0),
m_shaderParamsUI(0),
m_incrementalFrameTimer(0),
m_incrementalFramebuffer(0),
m_incrementalDraw(false),
m_drawAxesBackground(QImage(":/resource/axes.png")),
m_drawAxesLabelX(QImage(":/resource/x.png")),
m_drawAxesLabelY(QImage(":/resource/y.png")),
m_drawAxesLabelZ(QImage(":/resource/z.png")),
m_cursorVertexArray(0),
m_axesVertexArray(0),
m_gridVertexArray(0),
m_quadVertexArray(0),
m_quadLabelVertexArray(0),
m_devicePixelRatio(1.0)
{
connect(m_geometries, SIGNAL(layoutChanged()), this, SLOT(geometryChanged()));
//connect(m_geometries, SIGNAL(destroyed()), this, SLOT(modelDestroyed()));
connect(m_geometries, SIGNAL(dataChanged(QModelIndex,QModelIndex)), this, SLOT(geometryChanged()));
connect(m_geometries, SIGNAL(rowsInserted(QModelIndex,int,int)), this, SLOT(geometryInserted(const QModelIndex&, int,int)));
connect(m_geometries, SIGNAL(rowsRemoved(QModelIndex,int,int)), this, SLOT(geometryChanged()));
setSelectionModel(new QItemSelectionModel(m_geometries, this));
setFocusPolicy(Qt::StrongFocus);
setSizePolicy(QSizePolicy::Ignored, QSizePolicy::Ignored);
setFocus();
m_camera.setClipFar(FLT_MAX*0.5f); //using FLT_MAX appears to cause issues under OS X for Qt to handle
// Setting a good value for the near camera clipping plane is difficult
// when trying to show a large variation of length scales: Setting a very
// small value allows us to see objects very close to the camera; the
// tradeoff is that this reduces the resolution of the z-buffer leading to
// z-fighting in the distance.
m_camera.setClipNear(1);
connect(&m_camera, SIGNAL(projectionChanged()), this, SLOT(restartRender()));
connect(&m_camera, SIGNAL(viewChanged()), this, SLOT(restartRender()));
makeCurrent();
m_shaderProgram.reset(new ShaderProgram());
connect(m_shaderProgram.get(), SIGNAL(uniformValuesChanged()),
this, SLOT(restartRender()));
connect(m_shaderProgram.get(), SIGNAL(shaderChanged()),
this, SLOT(restartRender()));
connect(m_shaderProgram.get(), SIGNAL(paramsChanged()),
this, SLOT(setupShaderParamUI()));
m_incrementalFrameTimer = new QTimer(this);
m_incrementalFrameTimer->setSingleShot(false);
connect(m_incrementalFrameTimer, SIGNAL(timeout()), this, SLOT(updateGL()));
}
void View3D::toggleDrawGrid()
{
m_drawGrid = !m_drawGrid;
restartRender();
}
void View3D::toggleDrawAxes()
{
m_drawAxes = !m_drawAxes;
restartRender();
}
void View3D::toggleDrawCursor()
{
m_drawCursor = !m_drawCursor;
restartRender();
}
void View3D::toggleDrawBoundingBoxes()
{
m_drawBoundingBoxes = !m_drawBoundingBoxes;
restartRender();
}
void View3D::setBackground(QColor col)
{
m_backgroundColor = col;
restartRender();
}
void View3D::geometryChanged()
{
if (m_geometries->rowCount() == 1 && !m_explicitCursorPos)
centerOnGeometry(m_geometries->index(0));
restartRender();
}
void View3D::geometryChanged()
{
restartRender();
}
//------------------------------------------------------------------------------
View3D::View3D(GeometryCollection* geometries, const QGLFormat& format, QWidget *parent)
: QGLWidget(format, parent),
m_camera(false, false),
m_mouseButton(Qt::NoButton),
m_explicitCursorPos(false),
m_cursorPos(0),
m_prevCursorSnap(0),
m_backgroundColor(60, 50, 50),
m_drawBoundingBoxes(true),
m_drawCursor(true),
m_drawAxes(true),
m_drawGrid(false),
m_drawAnnotations(true),
m_badOpenGL(false),
m_shaderProgram(),
m_geometries(geometries),
m_selectionModel(0),
m_shaderParamsUI(0),
m_incrementalFrameTimer(0),
m_incrementalFramebuffer(),
m_incrementalDraw(false),
m_drawAxesBackground(QImage(":/resource/axes.png")),
m_drawAxesLabelX(QImage(":/resource/x.png")),
m_drawAxesLabelY(QImage(":/resource/y.png")),
m_drawAxesLabelZ(QImage(":/resource/z.png")),
m_cursorVertexArray(0),
m_axesVertexArray(0),
m_gridVertexArray(0),
m_quadVertexArray(0),
m_quadLabelVertexArray(0),
m_devicePixelRatio(1.0)
{
connect(m_geometries, SIGNAL(layoutChanged()), this, SLOT(geometryChanged()));
//connect(m_geometries, SIGNAL(destroyed()), this, SLOT(modelDestroyed()));
connect(m_geometries, SIGNAL(dataChanged(QModelIndex,QModelIndex)), this, SLOT(geometryChanged()));
connect(m_geometries, SIGNAL(dataChanged(QModelIndex,QModelIndex)), this, SLOT(dataChanged(QModelIndex,QModelIndex)));
connect(m_geometries, SIGNAL(rowsInserted(QModelIndex,int,int)), this, SLOT(geometryInserted(const QModelIndex&, int,int)));
connect(m_geometries, SIGNAL(rowsRemoved(QModelIndex,int,int)), this, SLOT(geometryChanged()));
setSelectionModel(new QItemSelectionModel(m_geometries, this));
setFocusPolicy(Qt::StrongFocus);
setSizePolicy(QSizePolicy::Ignored, QSizePolicy::Ignored);
setFocus();
connect(&m_camera, SIGNAL(projectionChanged()), this, SLOT(restartRender()));
connect(&m_camera, SIGNAL(viewChanged()), this, SLOT(restartRender()));
makeCurrent();
m_shaderProgram.reset(new ShaderProgram());
connect(m_shaderProgram.get(), SIGNAL(uniformValuesChanged()),
this, SLOT(restartRender()));
connect(m_shaderProgram.get(), SIGNAL(shaderChanged()),
this, SLOT(restartRender()));
connect(m_shaderProgram.get(), SIGNAL(paramsChanged()),
this, SLOT(setupShaderParamUI()));
m_incrementalFrameTimer = new QTimer(this);
m_incrementalFrameTimer->setSingleShot(false);
connect(m_incrementalFrameTimer, SIGNAL(timeout()), this, SLOT(updateGL()));
}
void View3D::toggleDrawAnnotations()
{
m_drawAnnotations = !m_drawAnnotations;
restartRender();
}