Queries the specified location to determine if a test point is over the thumb or the line or the center.
hitTest(
item: ImageViewerItem,
x: number,
y: number
): boolean;
item
The item where the hit test is being performed.
x
The x-coordinate in question.
y
The y-coordinate in question.
true if the (x, y) coordinates are on the drawable item. false, otherwise.
The results are stored in two properties:
The first property is HitTestIndex and contains the index of the cut-line.
The second property is HitTestResult and it contains the part that is being clicked on, such as the body, line, center handle, etc.
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