| 1 | /** Object representing a 2D point. */
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| 2 | export interface Point {
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| 3 | /** X coordinate of the point. */
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| 4 | x: number;
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| 5 | /** Y coordinate of the point. */
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| 6 | y: number;
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| 7 | }
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| 8 | /** Object representing a rectangle. */
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| 9 | export interface Rect {
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| 10 | /** Position of the rectangle's top-left corner. */
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| 11 | pos: Point;
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| 12 | /** Size of the rectangle. */
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| 13 | size: Point;
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| 14 | }
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| 15 | /** Object representing a line section. */
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| 16 | export interface Line {
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| 17 | /** Starting point of the line. */
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| 18 | begin: Point;
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| 19 | /** End point of the line. */
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| 20 | end: Point;
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| 21 | }
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| 22 | /** Object representing an affine transformation 2x3 matrix. */
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| 23 | export type AffineTransform = number[][];
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| 24 | /** Rectangle transformed by an affine transformation. */
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| 25 | export interface TransformedRect {
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| 26 | /** Transform transforms the top left corner to the origo. */
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| 27 | transform: AffineTransform;
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| 28 | /** Size of the rectangle. */
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| 29 | size: Point;
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| 30 | }
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| 31 | /** Converts a point between two coordinate system. */
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| 32 | export type PointConverter = (point: Point) => Point;
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| 33 | /** Type of a point's coordinate system. */
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| 34 | export type CoordinateType = 'relative' | 'canvas';
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