QTradingView::Pane Class Reference

Represents a chart pane that contains one or more data series. More...

#include <Pane.h>

Public Member Functions
	Pane ()
	Constructs an empty Pane.
void	addSeries (std::shared_ptr< Series > series)
	Adds a data series to the pane.
void	removeSeries (std::shared_ptr< Series > series)
	Removes a data series from the pane.
const std::vector< std::shared_ptr< Series > > &	series () const
	Returns the list of data series in the pane.
void	setScale (ScaleType type)
	Sets the Y-axis scale type for the pane.
IScale *	scale () const
	Returns the current Y-axis scale object.
void	setHeightRatio (double ratio)
	Sets the height ratio of the pane relative to other panes.
double	heightRatio () const
	Returns the height ratio of the pane.
void	setRect (const QRectF &rect)
	Sets the rectangle area for the pane in the chart.
QRectF	rect () const
	Returns the rectangle area of the pane.
void	calculateRange (int start, int end)
	Calculates the visible value range for the given data indices.
double	minValue () const
	Returns the minimum value in the current range.
double	maxValue () const
	Returns the maximum value in the current range.
void	setManualRange (double minValue, double maxValue)
	Sets a manual value range for the Y-axis.
void	zoomYAxis (double zoomFactor, double anchorValue)
	Zooms the Y-axis by a factor, anchored at a specific value.
void	resetAutoRange ()
	Resets the Y-axis to automatic range calculation.
bool	isAutoRange () const
	Returns true if the Y-axis is in auto-range mode.
void	render (QPainter *painter, const ViewPort &viewport)
	Renders the pane and its series using the given painter and viewport.

Detailed Description

Represents a chart pane that contains one or more data series.

Pane manages the layout, scaling, and rendering of its series. It supports automatic and manual Y-axis scaling, zooming, and custom height ratios for multi-pane charts.

Member Function Documentation

addSeries()

void QTradingView::Pane::addSeries

(

std::shared_ptr< Series >

series

)

Adds a data series to the pane.

Parameters

series

Shared pointer to the Series to add.

calculateRange()

void QTradingView::Pane::calculateRange	(	int	start,
		int	end
	)

Calculates the visible value range for the given data indices.

Parameters

start	Start index of the data range.
end	End index of the data range.

removeSeries()

void QTradingView::Pane::removeSeries

(

std::shared_ptr< Series >

series

)

Removes a data series from the pane.

Parameters

series

Shared pointer to the Series to remove.

render()

void QTradingView::Pane::render	(	QPainter *	painter,
		const ViewPort &	viewport
	)

Renders the pane and its series using the given painter and viewport.

Parameters

painter	QPainter object for drawing.
viewport	The current viewport.

setHeightRatio()

void QTradingView::Pane::setHeightRatio

(

double

ratio

)

Sets the height ratio of the pane relative to other panes.

Parameters

ratio

The height ratio (e.g., 1.0 for equal height).

setManualRange()

void QTradingView::Pane::setManualRange	(	double	minValue,
		double	maxValue
	)

Sets a manual value range for the Y-axis.

Parameters

minValue	Minimum value.
maxValue	Maximum value.

setRect()

void QTradingView::Pane::setRect

(

const QRectF &

rect

)

Sets the rectangle area for the pane in the chart.

Parameters

rect	The rectangle area.

setScale()

void QTradingView::Pane::setScale

(

ScaleType

type

)

Sets the Y-axis scale type for the pane.

Parameters

type	The scale type (e.g., linear, logarithmic).

zoomYAxis()

void QTradingView::Pane::zoomYAxis	(	double	zoomFactor,
		double	anchorValue
	)

Zooms the Y-axis by a factor, anchored at a specific value.

Parameters

zoomFactor	The zoom factor (>1 to zoom in, <1 to zoom out).
anchorValue	The value to anchor the zoom operation.

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

• include/QTradingView/Pane.h
• src/Pane.cpp