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Navigation: Code Documentation > RSFMXCommon > FMX.RS.CanvasHelper > Classes > TFMXCanvasHelper > Methods

TFMXCanvasHelper.ArcTo(Single,Single,Single,Single,Single,Single,Single,Single,Single) Method

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Draws an arc on the image along the perimeter of the ellipse bounded by the specified rectangle.

Implements drawing of an elliptically curved line with the current Pen . The arc traverses the perimeter of an ellipse that is bounded by the points (X1,Y1) and (X2,Y2). The arc is drawn following the perimeter of the ellipse, counterclockwise, from the starting point to the ending point. The starting point is defined by the intersection of the ellipse and a line defined by the center of the ellipse and (X3,Y3). The ending point is defined by the intersection of the ellipse and a line defined by the center of the ellipse and (X4, Y4).

This procedure draws lines by using the current pen.

alert_cautionWarning

This function is unimplemented and does nothing.

Namespace: FMX.RS.CanvasHelper

Parameters

X1

Type: Single

Y1

Type: Single

X2

Type: Single

Y2

Type: Single

X3

Type: Single

Y3

Type: Single

X4

Type: Single

Y4

Type: Single

Opacity

Type: Single

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