# W3cubDocs

/Qt 5.13

The QLinearGradient class is used in combination with QBrush to specify a linear gradient brush. More...

## Public Functions

 QLinearGradient(qreal x1, qreal y1, qreal x2, qreal y2) QLinearGradient(const QPointF &start, const QPointF &finalStop) QLinearGradient() QPointF finalStop() const void setFinalStop(const QPointF &stop) void setFinalStop(qreal x, qreal y) void setStart(const QPointF &start) void setStart(qreal x, qreal y) QPointF start() const

## Detailed Description

Linear gradients interpolate colors between start and end points. Outside these points the gradient is either padded, reflected or repeated depending on the currently set spread method:

The colors in a gradient is defined using stop points of the QGradientStop type, i.e. a position and a color. Use the QGradient::setColorAt() or the QGradient::setStops() function to define the stop points. It is the gradient's complete set of stop points that describes how the gradient area should be filled. If no stop points have been specified, a gradient of black at 0 to white at 1 is used.

In addition to the functions inherited from QGradient, the QLinearGradient class provides the finalStop() function which returns the final stop point of the gradient, and the start() function returning the start point of the gradient.

## Member Function Documentation

Constructs a linear gradient with interpolation area between (x1, y1) and (x2, y2).

Note: The expected parameter values are in pixels.

Constructs a linear gradient with interpolation area between the given start point and finalStop.

Note: The expected parameter values are in pixels.

Constructs a default linear gradient with interpolation area between (0, 0) and (1, 1).

Returns the final stop point of this linear gradient in logical coordinates.

Sets the final stop point of this linear gradient in logical coordinates to stop.

This function was introduced in Qt 4.2.

Sets the final stop point of this linear gradient in logical coordinates to x, y.

This function was introduced in Qt 4.2.

Sets the start point of this linear gradient in logical coordinates to start.

This function was introduced in Qt 4.2.

Sets the start point of this linear gradient in logical coordinates to x, y.

This function was introduced in Qt 4.2.