DisplayOpenGL Class Reference

OpenGL based Display implementation. More...

#include <display/DisplayOpenGL.h>

Inheritance diagram for DisplayOpenGL:

List of all members.

Public Member Functions
	DisplayOpenGL (void *hParent)
virtual void	SetMode (const enum E_DISPLAY_MODE m)
	Switch between plot modes (time graph/FFT/...).
virtual void	Update (enum E_UPDATE_LEVEL level)
	Update displayed content.
virtual void	ChangeSize (int iWidth, int iHeight)
	Resize viewport (visible area of plot).
virtual void	SetCursor1 (int x, int y)
	Set position of cursor #1.
virtual void	SetCursor2 (int x, int y)
	Set position of cursor #2.
virtual void	PosToPhysical (int x, int y, float &fValX, float &fValY)
	Transform screen coordinates to physical values.
virtual int	GetCursorPhysical (enum E_CURSOR cursor, float &fValX, float &fValY)
	Get physical (voltage/time or freq/time) coordinates of cursor.
virtual void	SetZoom (int iCenterX, int iCenterY, float fZoomX, float fZoomY)
	Set viewport offset and zoom.
virtual void	SetOffsetY (float fVal)
	Set Y-axis offset.
virtual void	Move (int iStartX, int iStartY, int iStopX, int iStopY)
	Move viewport.
virtual void	SetRange (float range)
	Set expected range of input data to -range...+range.
virtual std::auto_ptr < Graphics::TBitmap >	CreateBitmap (void)
	Create plot bitmap.

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Detailed Description

OpenGL based Display implementation.

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Member Function Documentation

std::auto_ptr< Graphics::TBitmap > DisplayOpenGL::CreateBitmap

(

void

)

[virtual]

Create plot bitmap.

Todo:

MarkTrigger

Implements Display.

int DisplayOpenGL::GetCursorPhysical	(	enum E_CURSOR	cursor,
		float &	fValX,
		float &	fValY
	)			[virtual]

Get physical (voltage/time or freq/time) coordinates of cursor.

Returns:

0 on success

Implements Display.

void DisplayOpenGL::SetOffsetY

(

float

fVal

)

[virtual]

Set Y-axis offset.

Parameters:

fVal

requested value at center position

Implements Display.

void DisplayOpenGL::SetZoom	(	int	iCenterX,
		int	iCenterY,
		float	fZoomX,
		float	fZoomY
	)			[virtual]

Set viewport offset and zoom.

Parameters:

	iCenterX	requested center of viewport (i.e. zoom click coordinate) or enum E_OFFSET_ACTION
	iCenterY	requested center of viewport (i.e. zoom click coordinate) or enum E_OFFSET_ACTION
	fZoomX	X-axis scale
	fZoomY	Y-axis scale

Implements Display.

void DisplayOpenGL::Update

(

enum E_UPDATE_LEVEL

level

)

[virtual]

Update displayed content.

Parameters:

level

Used to specify parts of graph that must be updated.

Implements Display.

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

• display/DisplayOpenGL.h
• display/DisplayOpenGL.cpp