GetSkewAngleEx()

Description

Returns the skew angle of a rectangular portion of an image specified by index.

Syntax

.GetSkewAngleEx(sImageIndex, left, top, right, bottom);

Parameters

<short> sImageIndex: specifies the index of image in buffer. The index is 0-based.
<int> left: specifies the x-coordinate of the upper-left corner of the rectangle.
<int> top: the y-coordinate of the upper-left corner of the rectangle.
<int> right: specifies the x-coordinate of the lower-right corner of the rectangle.
<int> bottom: y-coordinate of the lower-right corner of the rectangle.

Return value

<double>

When an error occurs, check ErrorCode or ErrorString for error information.

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