202 lines
3.0 KiB
Vala
202 lines
3.0 KiB
Vala
namespace CairoChart {
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/**
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* Place rectangle.
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*/
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public class Place {
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double _x0 = 0;
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double _x1 = 1;
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double _y0 = 0;
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double _y1 = 1;
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/**
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* Zoomed Left bound.
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*/
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public double zx0 = 0;
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/**
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* Zoomed Top bound.
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*/
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public double zx1 = 1;
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/**
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* Zoomed Right bound.
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*/
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public double zy0 = 0;
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/**
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* Zoomed Bottom bound.
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*/
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public double zy1 = 1;
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/**
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* Left bound.
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*/
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public virtual double x0 {
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get {
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return _x0;
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}
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set {
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zx0 = _x0 = value;
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}
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}
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/**
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* Top bound.
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*/
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public virtual double y0 {
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get {
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return _y0;
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}
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set {
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zy0 = _y0 = value;
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}
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}
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/**
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* Right bound.
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*/
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public virtual double x1 {
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get {
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return _x1;
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}
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set {
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zx1 = _x1 = value;
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}
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}
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/**
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* Bottom bound.
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*/
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public virtual double y1 {
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get {
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return _y1;
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}
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set {
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zy1 = _y1 = value;
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}
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}
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/**
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* ``Place`` 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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zx1 = _x1 = _x0 + value;
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}
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}
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/**
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* ``Place`` 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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zy1 = _y1 = _y0 + value;
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}
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}
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/**
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* ``Place`` zoomed width.
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*/
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public virtual double zwidth {
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get {
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return zx1 - zx0;
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}
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set {
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zx1 = zx0 + value;
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}
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}
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/**
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* ``Place`` zoomed height.
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*/
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public virtual double zheight {
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get {
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return zy1 - zy0;
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}
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set {
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zy1 = zy0 + value;
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}
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}
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/**
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* Constructs a new ``Place``.
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*/
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public Place () { }
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/**
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* Constructs a new ``Place`` by other ``Place``.
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* @param place ``Place`` instance.
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*/
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public Place.with_place (Place place) {
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this.x0 = place.x0;
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this.y0 = place.y0;
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this.x1 = place.x1;
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this.y1 = place.y1;
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}
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/**
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* Constructs a new ``Place`` 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 Place.with_abs (double x0, double y0, 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 ``Place`` 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 ``Place`` width.
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* @param height ``Place`` height.
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*/
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public Place.with_rel (double x0, double y0, 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 ``Place`` by ``Cairo.Rectangle``.
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* @param rectangle ``Cairo.Rectangle`` instance.
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*/
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public Place.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 Place copy () {
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return new Place.with_place(this);
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}
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/**
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* Unzooms ``Place``.
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*/
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public virtual void unzoom () {
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zx0 = x0;
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zy0 = y0;
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zx1 = x1;
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zy1 = y1;
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}
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}
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}
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