GLImageWidget Class Reference

displays a color image (ColorImageRGB8) using OpenGL More...

#include <GLImageWidget.h>

List of all members.

Public Slots
void	addVectorObject (VectorObject2D vectorObject)
	Adds a free form given by it's corner coordinates.
void	clearForms ()
	Clear the list of painted boxes.
void	saveImage (std::string filename)
void	setAnaglyphImage (const puma2::GrayLevelImage8 *leftYImage, const puma2::GrayLevelImage8 *rightYImage, float aspect=1.0)
void	setColorImage (const unsigned char *image, unsigned width, unsigned height, float aspect=1.0)
	Update the contents of the OpenGL Texture, clear the box list and render the image.
void	setColorImage (const puma2::ColorImageRGB8 *image, float aspect=1.0)
void	setColorImage (const puma2::GrayLevelImage8 *imageY, const puma2::ColorImageUV8 *imageUV, float aspect=1.0)
void	setGrayLevelImage (const puma2::GrayLevelImage8 *image, float aspect=1.0)
void	setPixelAspectRatio (float ratio)
	Set the pixel aspect ratio (width/height)
void	setThermalImage (const puma2::GrayLevelImage8 *image, float roomTemp=30.0)
void	zoom (float z)
	zoom into current shown image
Public Member Functions
	GLImageWidget (QGLWidget *parent=0)
	~GLImageWidget ()
Protected Member Functions
void	clearTexture ()
void	initTexture (unsigned resolution, unsigned imageWidth, unsigned imageHeight, ImageGrabber::ColorFormat textureFormat)
void	updateTexture (unsigned char *imageData, unsigned width, unsigned height, ImageGrabber::ColorFormat format)
Protected Attributes
unsigned	m_ImageHeight
unsigned	m_ImageWidth
QPoint	m_MousePosOld
float	m_PixelAspectRatio
float	m_PosX
float	m_PosY
unsigned int	m_TextureByteSize
unsigned char *	m_TextureData
ImageGrabber::ColorFormat	m_TextureFormat
GLuint	m_TextureId
unsigned	m_TextureResolution
std::list< VectorObject2D >	m_VectorObjects
unsigned	m_ViewportHeight
unsigned	m_ViewportWidth
float	m_Zoom
Private Member Functions
int	calcTextureSize (int width, int height)
void	initializeGL ()
	set up OpenGL
void	mouseDoubleClickEvent (QMouseEvent *event)
	resets the display
void	mouseMoveEvent (QMouseEvent *event)
	if mouse button is pressed, move images
void	mousePressEvent (QMouseEvent *event)
	called when a mouse button is pressed
void	paintGL ()
	render image
void	paintImage ()
	generate & display texture
void	paintVectorObjects ()
	paint all registered boxes / lines / circles
void	resizeGL (int w, int h)
	called when the window size changes
void	wheelEvent (QWheelEvent *event)
	used to zoom the image

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Detailed Description

displays a color image (ColorImageRGB8) using OpenGL

Author:

Unknown, David Gossow (RX)

Definition at line 32 of file GLImageWidget.h.

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Constructor & Destructor Documentation

GLImageWidget::GLImageWidget

(

QGLWidget *

parent = 0

)

GLImageWidget::~GLImageWidget

(

)

---

Member Function Documentation

void GLImageWidget::addVectorObject

(

VectorObject2D

vectorObject

)

[slot]

Adds a free form given by it's corner coordinates.

int GLImageWidget::calcTextureSize	(	int	width,
		int	height
	)		[private]

void GLImageWidget::clearForms

(

)

[slot]

Clear the list of painted boxes.

void GLImageWidget::clearTexture

(

)

[protected]

void GLImageWidget::initializeGL

(

)

[private]

set up OpenGL

void GLImageWidget::initTexture	(	unsigned	resolution,
		unsigned	imageWidth,
		unsigned	imageHeight,
		ImageGrabber::ColorFormat	textureFormat
	)		[protected]

void GLImageWidget::mouseDoubleClickEvent

(

QMouseEvent *

event

)

[private]

resets the display

void GLImageWidget::mouseMoveEvent

(

QMouseEvent *

event

)

[private]

if mouse button is pressed, move images

void GLImageWidget::mousePressEvent

(

QMouseEvent *

event

)

[private]

called when a mouse button is pressed

void GLImageWidget::paintGL

(

)

[private]

render image

void GLImageWidget::paintImage

(

)

[private]

generate & display texture

void GLImageWidget::paintVectorObjects

(

)

[private]

paint all registered boxes / lines / circles

void GLImageWidget::resizeGL	(	int	w,
		int	h
	)		[private]

called when the window size changes

void GLImageWidget::saveImage

(

std::string

filename

)

[slot]

void GLImageWidget::setAnaglyphImage	(	const puma2::GrayLevelImage8 *	leftYImage,
		const puma2::GrayLevelImage8 *	rightYImage,
		float	aspect = 1.0
	)		[slot]

void GLImageWidget::setColorImage	(	const unsigned char *	image,
		unsigned	width,
		unsigned	height,
		float	aspect = 1.0
	)		[slot]

Update the contents of the OpenGL Texture, clear the box list and render the image.

void GLImageWidget::setColorImage	(	const puma2::ColorImageRGB8 *	image,
		float	aspect = 1.0
	)		[slot]

void GLImageWidget::setColorImage	(	const puma2::GrayLevelImage8 *	imageY,
		const puma2::ColorImageUV8 *	imageUV,
		float	aspect = 1.0
	)		[slot]

void GLImageWidget::setGrayLevelImage	(	const puma2::GrayLevelImage8 *	image,
		float	aspect = 1.0
	)		[slot]

void GLImageWidget::setPixelAspectRatio

(

float

ratio

)

[inline, slot]

Set the pixel aspect ratio (width/height)

Note:

Default value is 1.0 (quadratic pixels)

Values above 1 will display pixels horizontally stretched

Definition at line 55 of file GLImageWidget.h.

void GLImageWidget::setThermalImage	(	const puma2::GrayLevelImage8 *	image,
		float	roomTemp = 30.0
	)		[slot]

void GLImageWidget::updateTexture	(	unsigned char *	imageData,
		unsigned	width,
		unsigned	height,
		ImageGrabber::ColorFormat	format
	)		[protected]

void GLImageWidget::wheelEvent

(

QWheelEvent *

event

)

[private]

used to zoom the image

void GLImageWidget::zoom

(

float

z

)

[slot]

zoom into current shown image

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Member Data Documentation

unsigned GLImageWidget::m_ImageHeight [protected]

Definition at line 119 of file GLImageWidget.h.

unsigned GLImageWidget::m_ImageWidth [protected]

Definition at line 118 of file GLImageWidget.h.

QPoint GLImageWidget::m_MousePosOld [protected]

Definition at line 112 of file GLImageWidget.h.

float GLImageWidget::m_PixelAspectRatio [protected]

Definition at line 124 of file GLImageWidget.h.

float GLImageWidget::m_PosX [protected]

Definition at line 115 of file GLImageWidget.h.

float GLImageWidget::m_PosY [protected]

Definition at line 116 of file GLImageWidget.h.

unsigned int GLImageWidget::m_TextureByteSize [protected]

Definition at line 132 of file GLImageWidget.h.

unsigned char* GLImageWidget::m_TextureData [protected]

Definition at line 130 of file GLImageWidget.h.

ImageGrabber::ColorFormat GLImageWidget::m_TextureFormat [protected]

Definition at line 131 of file GLImageWidget.h.

GLuint GLImageWidget::m_TextureId [protected]

Definition at line 129 of file GLImageWidget.h.

unsigned GLImageWidget::m_TextureResolution [protected]

Note:

the texture resolution is the next larger potency of 2 that the image fits into

Definition at line 127 of file GLImageWidget.h.

std::list< VectorObject2D > GLImageWidget::m_VectorObjects [protected]

Definition at line 134 of file GLImageWidget.h.

unsigned GLImageWidget::m_ViewportHeight [protected]

Definition at line 122 of file GLImageWidget.h.

unsigned GLImageWidget::m_ViewportWidth [protected]

Definition at line 121 of file GLImageWidget.h.

float GLImageWidget::m_Zoom [protected]

Definition at line 114 of file GLImageWidget.h.

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

• GLImageWidget.h