The PySide.QtGui.QRadialGradient class is used in combination with PySide.QtGui.QBrush to specify a radial gradient brush.
Radial gradients interpolate colors between a focal point and end points on a circle surrounding it. Outside the end points the gradient is either padded, reflected or repeated depending on the currently set spread method:
PadSpread (default) ReflectSpread RepeatSpread 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 PySide.QtGui.QGradient , the PySide.QtGui.QRadialGradient class provides the PySide.QtGui.QRadialGradient.center() , PySide.QtGui.QRadialGradient.focalPoint() and PySide.QtGui.QRadialGradient.radius() functions returning the gradient’s center, focal point and radius respectively.
See also
PySide.QtGui.QLinearGradient PySide.QtGui.QConicalGradient The Gradients Demo
Parameters: |
|
---|
Constructs a radial gradient with the center and focal point at (0, 0) with a radius of 1.
Constructs a radial gradient with the given center , radius and the focal point in the circle center.
Constructs a radial gradient with the given center , radius and focalPoint .
Constructs a radial gradient with the center at (cx , cy ) and the specified radius . The focal point lies at the center of the circle.
Constructs a radial gradient with the given center (cx , cy ), radius and focal point (fx , fy ).
Return type: | PySide.QtCore.QPointF |
---|
Returns the center of this radial gradient in logical coordinates.
Return type: | PySide.QtCore.QPointF |
---|
Returns the focal point of this radial gradient in logical coordinates.
Return type: | PySide.QtCore.qreal |
---|
Returns the radius of this radial gradient in logical coordinates.
Parameters: | center – PySide.QtCore.QPointF |
---|
Sets the center of this radial gradient in logical coordinates to center .
Parameters: |
|
---|
This is an overloaded function.
Sets the center of this radial gradient in logical coordinates to (x , y ).
Parameters: | focalPoint – PySide.QtCore.QPointF |
---|
Sets the focal point of this radial gradient in logical coordinates to focalPoint .
Parameters: |
|
---|
This is an overloaded function.
Sets the focal point of this radial gradient in logical coordinates to (x , y ).
Parameters: | radius – PySide.QtCore.qreal |
---|
Sets the radius of this radial gradient in logical coordinates to radius