129 lines
2.2 KiB
Vala
129 lines
2.2 KiB
Vala
namespace CairoChart {
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/**
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* Area rectangle.
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*/
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public class Area {
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/**
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* Left bound.
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*/
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public double x0 = 0;
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/**
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* Top bound.
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*/
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public double x1 = 1;
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/**
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* Right bound.
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*/
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public double y0 = 0;
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/**
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* Bottom bound.
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*/
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public double y1 = 1;
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/**
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* ``Area`` width.
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*/
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public virtual double width {
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get {
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return x1 - x0;
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}
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set {
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x1 = x0 + value;
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}
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}
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/**
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* ``Area`` height.
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*/
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public virtual double height {
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get {
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return y1 - y0;
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}
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set {
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y1 = y0 + value;
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}
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}
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/**
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* Constructs a new ``Area``.
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*/
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public Area () { }
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/**
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* Constructs a new ``Area`` by other ``Area``.
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* @param area ``Area`` instance.
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*/
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public Area.with_area (Area area) {
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this.x0 = area.x0;
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this.y0 = area.y0;
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this.x1 = area.x1;
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this.y1 = area.y1;
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}
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/**
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* Constructs a new ``Area`` with absolute coordinates.
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* @param x0 left bound.
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* @param y0 top bound.
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* @param x1 right bound.
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* @param y1 bottom bound.
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*/
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public Area.with_abs (double x0, double y0,
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double x1, double y1) {
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this.x0 = x0;
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this.y0 = y0;
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this.x1 = x1;
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this.y1 = y1;
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}
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/**
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* Constructs a new ``Area`` by 2 points.
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* @param p0 top left position.
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* @param p1 bottom right position.
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*/
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public Area.with_points (Point p0, Point p1) {
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this.x0 = p0.x;
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this.y0 = p0.y;
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this.x1 = p1.x;
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this.y1 = p1.y;
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}
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/**
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* Constructs a new ``Area`` with relative coordinates.
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* @param x0 left bound.
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* @param y0 top bound.
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* @param width ``Area`` width.
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* @param height ``Area`` height.
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*/
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public Area.with_rel (double x0, double y0,
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double width, double height) {
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this.x0 = x0;
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this.y0 = y0;
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this.width = width;
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this.height = height;
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}
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/**
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* Constructs a new ``Area`` by ``Cairo.Rectangle``.
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* @param rectangle ``Cairo.Rectangle`` instance.
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*/
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public Area.with_rectangle (Cairo.Rectangle rectangle) {
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this.x0 = rectangle.x;
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this.y0 = rectangle.y;
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this.width = rectangle.width;
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this.height = rectangle.height;
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}
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/**
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* Gets a copy of the ``Chart``.
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*/
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public virtual Area copy () {
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return new Area.with_area(this);
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}
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}
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}
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