2D GL view of an image with axes and gridlines. More...

#include <ome/qtwidgets/GLView2D.h>

Inheritance diagram for ome::qtwidgets::GLView2D:

Collaboration diagram for ome::qtwidgets::GLView2D:

Classes
struct	Camera
	Camera (modelview projection matrix manipulation) More...

Public Types
enum	MouseMode { MODE_ZOOM, MODE_PAN, MODE_ROTATE }
	Mouse behaviour. More...

Public Slots
void	setZoom (int zoom)
	Set zoom factor. More...

void	setXTranslation (int xtran)
	Set x translation factor. More...

void	setYTranslation (int ytran)
	Set y translation factor. More...

void	setZRotation (int angle)
	Set z rotation factor. More...

void	setChannelMin (int min)
	Set minimum value for linear contrast (all channels). More...

void	setChannelMax (int max)
	Set maximum value for linear contrast (all channels). More...

void	setPlane (ome::files::dimension_size_type plane)
	Set plane to render. More...

void	setMouseMode (MouseMode mode)
	Set mouse behaviour mode. More...

Public Slots inherited from ome::qtwidgets::GLWindow
void	renderLater ()
	Render a frame at the next opportunity. More...

void	renderNow ()
	Render a frame immediately. More...

void	logMessage (QOpenGLDebugMessage message)
	Log a GL debug message. More...

Signals
void	zoomChanged (int zoom)
	Signal zoom level changed. More...

void	xTranslationChanged (int xtran)
	Signal x translation changed. More...

void	yTranslationChanged (int ytran)
	Signal y translation changed. More...

void	zRotationChanged (int angle)
	Signal z rotation changed. More...

void	channelMinChanged (int min)
	Signal minimum value for linear contrast changed. More...

void	channelMaxChanged (int max)
	Signal maximum value for linear contrast changed. More...

void	planeChanged (ome::files::dimension_size_type plane)
	Signal current plane changed. More...

Public Member Functions
	GLView2D (ome::compat::shared_ptr< ome::files::FormatReader > reader, ome::files::dimension_size_type series, QWidget *parent=0)
	Create a 2D image view. More...

	~GLView2D ()
	Destructor.

QSize	minimumSizeHint () const
	Get window minimum size hint. More...

QSize	sizeHint () const
	Get window size hint. More...

ome::compat::shared_ptr< ome::files::FormatReader >	getReader ()
	Get reader. More...

ome::files::dimension_size_type	getSeries ()
	Get series. More...

int	getZoom () const
	Get zoom factor. More...

int	getXTranslation () const
	Get x translation factor. More...

int	getYTranslation () const
	Get y translation factor. More...

int	getZRotation () const
	Get z rotation factor. More...

int	getChannelMin () const
	Get minimum value for linear contrast (all channels). More...

int	getChannelMax () const
	Get maximum value for linear contrast (all channels). More...

ome::files::dimension_size_type	getPlane () const
	Get plane to render. More...

MouseMode	getMouseMode () const
	Get mouse behaviour mode. More...

Public Member Functions inherited from ome::qtwidgets::GLWindow
	GLWindow (QWindow *parent=0)
	Create a GL window. More...

	~GLWindow ()
	Destructor.

virtual void	render (QPainter *painter)
	Render using a QPainter. More...

void	setAnimating (bool animating)
	Enable or disable animating. More...

Protected Member Functions
void	initialize ()
	Set up GL context and subsidiary objects.

void	render ()
	Render the scene with the current view settings.

void	resize ()
	Resize the view.

void	mousePressEvent (QMouseEvent *event)
	Handle mouse button press events. More...

void	mouseMoveEvent (QMouseEvent *event)
	Handle mouse button movement events. More...

void	timerEvent (QTimerEvent *event)
	Handle timer events. More...

Protected Member Functions inherited from ome::qtwidgets::GLWindow
bool	event (QEvent *event)
	Handle events. More...

void	exposeEvent (QExposeEvent *event)
	Handle expose events. More...

void	resizeEvent (QResizeEvent *event)
	Handle resize events. More...

QOpenGLContext *	context () const
	Get GL context. More...

void	makeCurrent ()
	Make the GL context for this window the current context.

Private Attributes
Camera	camera
	Current projection.

MouseMode	mouseMode
	Current mouse behaviour.

QElapsedTimer	etimer
	Rendering timer.

glm::vec3	cmin
	Minimum level for linear contrast.

glm::vec3	cmax
	Maximum level for linear contrast.

ome::files::dimension_size_type	plane
	Current plane.

ome::files::dimension_size_type	oldplane
	Previous plane.

QPoint	lastPos
	Last mouse position.

gl::Image2D *	image
	Image to render.

gl::Axis2D *	axes
	Axes to render.

gl::Grid2D *	grid
	Grid to render.

ome::compat::shared_ptr< ome::files::FormatReader >	reader
	The image reader.

ome::files::dimension_size_type	series
	The image series.

Detailed Description

2D GL view of an image with axes and gridlines.

Member Enumeration Documentation

enum ome::qtwidgets::GLView2D::MouseMode

Mouse behaviour.

Enumerator
MODE_ZOOM	Zoom in and out.
MODE_PAN	Pan in x and y.
MODE_ROTATE	Rotate around point in z.

Constructor & Destructor Documentation

ome::qtwidgets::GLView2D::GLView2D	(	ome::compat::shared_ptr< ome::files::FormatReader >	reader,
		ome::files::dimension_size_type	series,
		QWidget *	parent = `0`
	)

Create a 2D image view.

The size and position will be taken from the specified image.

Parameters

reader	the image reader.
series	the image series.
parent	the parent of this object.

Member Function Documentation

void ome::qtwidgets::GLView2D::channelMaxChanged ( int max )

signal

Signal maximum value for linear contrast changed.

Parameters

max	the new maximum value.

Referenced by setChannelMax().

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void ome::qtwidgets::GLView2D::channelMinChanged ( int min )

signal

Signal minimum value for linear contrast changed.

Parameters

min	the new minimum value.

Referenced by setChannelMin().

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int ome::qtwidgets::GLView2D::getChannelMax ( ) const

Get maximum value for linear contrast (all channels).

Returns: the maximum value.

References cmax.

int ome::qtwidgets::GLView2D::getChannelMin ( ) const

Get minimum value for linear contrast (all channels).

Returns: the minimum value.

References cmin.

GLView2D::MouseMode ome::qtwidgets::GLView2D::getMouseMode ( ) const

Get mouse behaviour mode.

Returns: the behaviour mode.

References mouseMode.

ome::files::dimension_size_type ome::qtwidgets::GLView2D::getPlane ( ) const

Get plane to render.

Returns: the plane number to render.

References plane.

Referenced by timerEvent().

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ome::compat::shared_ptr< ome::files::FormatReader > ome::qtwidgets::GLView2D::getReader ( )

Get reader.

Returns: the reader.

References reader.

ome::files::dimension_size_type ome::qtwidgets::GLView2D::getSeries ( )

Get series.

Returns: the series.

References series.

int ome::qtwidgets::GLView2D::getXTranslation ( ) const

Get x translation factor.

Returns: the x translation factor.

References camera, and ome::qtwidgets::GLView2D::Camera::xTran.

int ome::qtwidgets::GLView2D::getYTranslation ( ) const

Get y translation factor.

Returns: the y translation factor.

References camera, and ome::qtwidgets::GLView2D::Camera::yTran.

int ome::qtwidgets::GLView2D::getZoom ( ) const

Get zoom factor.

Returns: the zoom factor.

References camera, and ome::qtwidgets::GLView2D::Camera::zoom.

int ome::qtwidgets::GLView2D::getZRotation ( ) const

Get z rotation factor.

Returns: the z rotation factor.

References camera, and ome::qtwidgets::GLView2D::Camera::zRot.

QSize ome::qtwidgets::GLView2D::minimumSizeHint ( ) const

Get window minimum size hint.

Returns: the size hint.

void ome::qtwidgets::GLView2D::mouseMoveEvent ( QMouseEvent * event )

protected

Handle mouse button movement events.

Action depends upon the mouse behaviour mode.

Parameters

event the event to handle.

References camera, lastPos, MODE_PAN, MODE_ROTATE, MODE_ZOOM, mouseMode, setXTranslation(), setYTranslation(), setZoom(), setZRotation(), ome::qtwidgets::GLView2D::Camera::xTran, ome::qtwidgets::GLView2D::Camera::yTran, ome::qtwidgets::GLView2D::Camera::zoom, and ome::qtwidgets::GLView2D::Camera::zRot.

void ome::qtwidgets::GLView2D::mousePressEvent ( QMouseEvent * event )

protected

Handle mouse button press events.

Action depends upon the mouse behaviour mode.

Parameters

event the event to handle.

References lastPos.

void ome::qtwidgets::GLView2D::planeChanged ( ome::files::dimension_size_type plane )

signal

Signal current plane changed.

Parameters

plane the new plane.

Referenced by setPlane().

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void ome::qtwidgets::GLView2D::setChannelMax ( int max )

slot

Set maximum value for linear contrast (all channels).

Parameters

max	the maximum value (scaled normalized).

References channelMaxChanged(), cmax, cmin, ome::qtwidgets::GLWindow::renderLater(), and setChannelMin().

Referenced by setChannelMin().

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void ome::qtwidgets::GLView2D::setChannelMin ( int min )

slot

Set minimum value for linear contrast (all channels).

Parameters

min	the minimum value (scaled normalized).

References channelMinChanged(), cmax, cmin, ome::qtwidgets::GLWindow::renderLater(), and setChannelMax().

Referenced by setChannelMax().

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void ome::qtwidgets::GLView2D::setMouseMode ( MouseMode mode )

slot

Set mouse behaviour mode.

Parameters

mode	the behaviour mode to set.

References mouseMode.

void ome::qtwidgets::GLView2D::setPlane ( ome::files::dimension_size_type plane )

slot

Set plane to render.

Parameters

plane the plane number to render.

References plane, planeChanged(), and ome::qtwidgets::GLWindow::renderLater().

void ome::qtwidgets::GLView2D::setXTranslation ( int xtran )

slot

Set x translation factor.

Parameters

xtran x translation factor (pixels).

References camera, ome::qtwidgets::GLWindow::renderLater(), ome::qtwidgets::GLView2D::Camera::xTran, and xTranslationChanged().

Referenced by mouseMoveEvent().

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void ome::qtwidgets::GLView2D::setYTranslation ( int ytran )

slot

Set y translation factor.

Parameters

ytran y translation factor (pixels).

References camera, ome::qtwidgets::GLWindow::renderLater(), ome::qtwidgets::GLView2D::Camera::yTran, and yTranslationChanged().

Referenced by mouseMoveEvent().

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void ome::qtwidgets::GLView2D::setZoom ( int zoom )

slot

Set zoom factor.

Parameters

zoom	the zoom factor (pixel drag distance).

References camera, ome::qtwidgets::GLWindow::renderLater(), ome::qtwidgets::GLView2D::Camera::zoom, and zoomChanged().

Referenced by mouseMoveEvent().

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void ome::qtwidgets::GLView2D::setZRotation ( int angle )

slot

Set z rotation factor.

Parameters

angle z rotation factor (pixel drag distance).

References camera, ome::qtwidgets::GLWindow::renderLater(), ome::qtwidgets::GLView2D::Camera::zRot, and zRotationChanged().

Referenced by mouseMoveEvent().

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QSize ome::qtwidgets::GLView2D::sizeHint ( ) const

Get window size hint.

Returns: the size hint.

void ome::qtwidgets::GLView2D::timerEvent ( QTimerEvent * event )

protected

Handle timer events.

Used to update scene properties and trigger a render pass.

Parameters

event the event to handle.

References camera, cmax, cmin, getPlane(), image, ome::qtwidgets::GLWindow::makeCurrent(), ome::qtwidgets::GLView2D::Camera::projection, ome::qtwidgets::GLWindow::renderLater(), ome::qtwidgets::GLView2D::Camera::rotation(), ome::qtwidgets::gl::Image2D::setMax(), ome::qtwidgets::gl::Image2D::setMin(), ome::qtwidgets::gl::Image2D::setPlane(), ome::qtwidgets::GLView2D::Camera::view, ome::qtwidgets::GLView2D::Camera::xTran, ome::qtwidgets::GLView2D::Camera::yTran, and ome::qtwidgets::GLView2D::Camera::zoomfactor().

void ome::qtwidgets::GLView2D::xTranslationChanged ( int xtran )

signal

Signal x translation changed.

Parameters

xtran the new x translation.

Referenced by setXTranslation().

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void ome::qtwidgets::GLView2D::yTranslationChanged ( int ytran )

signal

Signal y translation changed.

Parameters

ytran the new y translation.

Referenced by setYTranslation().

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void ome::qtwidgets::GLView2D::zoomChanged ( int zoom )

signal

Signal zoom level changed.

Parameters

zoom	the new zoom level.

Referenced by setZoom().

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void ome::qtwidgets::GLView2D::zRotationChanged ( int angle )

signal

Signal z rotation changed.

Parameters

angle the new z rotation.

Referenced by setZRotation().

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The documentation for this class was generated from the following files:

ome/qtwidgets/GLView2D.h
ome/qtwidgets/GLView2D.cpp

Classes

Public Types

Public Slots

Signals

Public Member Functions

Protected Member Functions

Private Attributes

Detailed Description

Member Enumeration Documentation

Constructor & Destructor Documentation

Member Function Documentation