Http::SvgLineChartWriter Class Reference

#include <svglinechartwriter.h>

Detailed Description

Specialized SVG page writer which draws a line chart diagrams.

Copyright

(C) 2008 Radon Labs GmbH (C) 2013-2020 Individual contributors, see AUTHORS file

Inherits Http::SvgPageWriter.

Classes
struct	Track

Public Member Functions
	SvgLineChartWriter ()
	constructor
virtual	~SvgLineChartWriter ()
	destructor
virtual bool	Open ()
	begin writing to the stream
void	SetupXAxis (const Util::String &axisName, const Util::String &unitName, int minVal, int maxVal)
	setup the x axis
void	SetupYAxis (const Util::String &axisName, const Util::String &unitName, float minVal, float maxVal)
	setup the y axis
void	AddTrack (const Util::String &name, const Util::String &color, const Util::Array< float > &values)
	add a value track
void	AddTrack (const Util::String &name, const Util::String &color, const Util::Array< float > &values, const Util::Array< Timing::Tick > &timeStamps)
	add a value track with timestamps
void	Draw ()
	draw diagram
Public Member Functions inherited from Http::SvgPageWriter
	SvgPageWriter ()
	constructor
virtual	~SvgPageWriter ()
	destructor
void	SetCanvasDimensions (SizeT w, SizeT h)
	set width and height of canvas in pixels
void	SetUnitDimensions (SizeT w, SizeT h)
	set width and height in draw units
virtual void	Close ()
	end writing to the stream
void	WriteContent (const Util::String &text)
	write content text
void	BeginNode (const Util::String &nodeName)
	begin a new node under the current node
void	EndNode ()
	end current node, set current node to parent
void	SetString (const Util::String &name, const Util::String &value)
	set string attribute on current node
void	BeginTransformGroup (const Math::vec2 &translate, float rotate, const Math::vec2 &scale)
	begin a transformation group
void	BeginPaintGroup (const Util::String &fillColor, const Util::String &strokeColor, int strokeWidth)
	begin a paint group
void	BeginTextGroup (int fontSize, const Util::String &textColor)
	begin a text group
void	EndGroup ()
	end the most recent group
void	Rect (float x, float y, float w, float h)
	draw a rectangle, all units are in pixels
void	Circle (float x, float y, float r)
	draw a circle, all units are in pixels
void	Ellipse (float x, float y, float rx, float ry)
	draw an ellipse, all units are in pixels
void	Line (float x1, float y1, float x2, float y2)
	draw a line, all units are in pixels
void	PolyLine (const Util::Array< Math::vec2 > &points)
	draw a poly-line, all units are in pixels
void	Polygon (const Util::Array< Math::vec2 > &points)
	draw a polygon, all units are in pixels
void	Text (float x, float y, const Util::String &text)
	draw text, all units are in pixels
Public Member Functions inherited from IO::StreamWriter
	StreamWriter ()
	constructor
virtual	~StreamWriter ()
	destructor
void	SetStream (const Ptr< Stream > &s)
	set stream to write to
const Ptr< Stream > &	GetStream () const
	get currently set stream
bool	HasStream () const
	return true if a stream is set
bool	IsOpen () const
	return true if currently open
Public Member Functions inherited from Core::RefCounted
	RefCounted ()
	constructor
int	GetRefCount () const
	get the current refcount
void	AddRef ()
	increment refcount by one
void	Release ()
	decrement refcount and destroy object if refcount is zero
bool	IsInstanceOf (const Rtti &rtti) const
	return true if this object is instance of given class
bool	IsInstanceOf (const Util::String &className) const
	return true if this object is instance of given class by string
bool	IsInstanceOf (const Util::FourCC &classFourCC) const
	return true if this object is instance of given class by fourcc
bool	IsA (const Rtti &rtti) const
	return true if this object is instance of given class, or a derived class
bool	IsA (const Util::String &rttiName) const
	return true if this object is instance of given class, or a derived class, by string
bool	IsA (const Util::FourCC &rttiFourCC) const
	return true if this object is instance of given class, or a derived class, by fourcc
const Util::String &	GetClassName () const
	get the class name
Util::FourCC	GetClassFourCC () const
	get the class FourCC code

Private Member Functions
	__DeclareClass (SvgLineChartWriter)

Private Attributes
Util::String	xAxisName
Util::String	xAxisUnitName
int	xAxisMinVal
int	xAxisMaxVal
Util::String	yAxisName
Util::String	yAxisUnitName
float	yAxisMinVal
float	yAxisMaxVal
Util::Array< Track >	tracks

Additional Inherited Members
Static Public Member Functions inherited from Core::RefCounted
static void	DumpRefCountingLeaks ()
	dump refcounting leaks, call at end of application (NEBULA_DEBUG builds only!)
Protected Member Functions inherited from Core::RefCounted
virtual	~RefCounted ()
	destructor (called when refcount reaches zero)
Protected Attributes inherited from Http::SvgPageWriter
Ptr< IO::XmlWriter >	xmlWriter
SizeT	canvasWidth
SizeT	canvasHeight
SizeT	unitWidth
SizeT	unitHeight
Protected Attributes inherited from IO::StreamWriter
Ptr< Stream >	stream
bool	isOpen
bool	streamWasOpen

Constructor & Destructor Documentation

SvgLineChartWriter()

Http::SvgLineChartWriter::SvgLineChartWriter

(

)

constructor

~SvgLineChartWriter()

Http::SvgLineChartWriter::~SvgLineChartWriter ( )

virtual

destructor

Member Function Documentation

__DeclareClass()

Http::SvgLineChartWriter::__DeclareClass ( SvgLineChartWriter )

private

AddTrack() [1/2]

void Http::SvgLineChartWriter::AddTrack	(	const Util::String &	name,
		const Util::String &	color,
		const Util::Array< float > &	values )

add a value track

AddTrack() [2/2]

void Http::SvgLineChartWriter::AddTrack	(	const Util::String &	name,
		const Util::String &	color,
		const Util::Array< float > &	values,
		const Util::Array< Timing::Tick > &	timeStamps )

add a value track with timestamps

Draw()

void Http::SvgLineChartWriter::Draw

(

)

draw diagram

Open()

bool Http::SvgLineChartWriter::Open ( )

virtual

begin writing to the stream

Reimplemented from Http::SvgPageWriter.

SetupXAxis()

void Http::SvgLineChartWriter::SetupXAxis	(	const Util::String &	axisName,
		const Util::String &	unitName,
		int	minVal,
		int	maxVal )

setup the x axis

SetupYAxis()

void Http::SvgLineChartWriter::SetupYAxis	(	const Util::String &	axisName,
		const Util::String &	unitName,
		float	minVal,
		float	maxVal )

setup the y axis

Member Data Documentation

tracks

Util::Array<Track> Http::SvgLineChartWriter::tracks

private

xAxisMaxVal

int Http::SvgLineChartWriter::xAxisMaxVal

private

xAxisMinVal

int Http::SvgLineChartWriter::xAxisMinVal

private

xAxisName

Util::String Http::SvgLineChartWriter::xAxisName

private

xAxisUnitName

Util::String Http::SvgLineChartWriter::xAxisUnitName

private

yAxisMaxVal

float Http::SvgLineChartWriter::yAxisMaxVal

private

yAxisMinVal

float Http::SvgLineChartWriter::yAxisMinVal

private

yAxisName

Util::String Http::SvgLineChartWriter::yAxisName

private

yAxisUnitName

Util::String Http::SvgLineChartWriter::yAxisUnitName

private

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

• /github/workspace/code/foundation/http/svg/svglinechartwriter.h
• /github/workspace/code/foundation/http/svg/svglinechartwriter.cc