PathCurve QML Type

Defines a point on a Catmull-Rom curve. 更多...

import 语句：

import QtQuick 2.12

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特性

relativeX : real
relativeY : real
x : real
y : real

详细描述

PathCurve provides an easy way to specify a curve passing directly through a set of points. Typically multiple PathCurves are used in a series, as the following example demonstrates:

import QtQuick 2.0
Canvas {
    width: 400; height: 200
    contextType: "2d"
    Path {
        id: myPath
        startX: 0; startY: 100
        PathCurve { x: 75; y: 75 }
        PathCurve { x: 200; y: 150 }
        PathCurve { x: 325; y: 25 }
        PathCurve { x: 400; y: 100 }
    }
    onPaint: {
        context.strokeStyle = Qt.rgba(.4,.6,.8);
        context.path = myPath;
        context.stroke();
    }
}

This example produces the following path (with the starting point and PathCurve points highlighted in red):

另请参阅 路径 , PathLine , PathQuad , PathCubic , PathArc ，和 PathSvg .

特性文档编制

relativeX : real

Defines the end point of the curve relative to its start.

If both a relative and absolute end position are specified for a single axis, the relative position will be used.

Relative and absolute positions can be mixed, for example it is valid to set a relative x and an absolute y.

另请参阅 x and y .

relativeY : real

Defines the end point of the curve relative to its start.

If both a relative and absolute end position are specified for a single axis, the relative position will be used.

Relative and absolute positions can be mixed, for example it is valid to set a relative x and an absolute y.

另请参阅 x and y .

x : real

Defines the end point of the curve.

另请参阅 relativeX and relativeY .

y : real

Defines the end point of the curve.

另请参阅 relativeX and relativeY .