@daign/2d-pipeline
Version:
Two dimensional graphics pipeline.
98 lines (97 loc) • 3.61 kB
JavaScript
;
var __extends = (this && this.__extends) || (function () {
var extendStatics = function (d, b) {
extendStatics = Object.setPrototypeOf ||
({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
function (d, b) { for (var p in b) if (Object.prototype.hasOwnProperty.call(b, p)) d[p] = b[p]; };
return extendStatics(d, b);
};
return function (d, b) {
if (typeof b !== "function" && b !== null)
throw new TypeError("Class extends value " + String(b) + " is not a constructor or null");
extendStatics(d, b);
function __() { this.constructor = d; }
d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
};
})();
Object.defineProperty(exports, "__esModule", { value: true });
exports.NativeScaleTransform = void 0;
var math_1 = require("@daign/math");
var transform_1 = require("./transform");
/**
* A scaling transformation that supports native SVG transform usage.
*/
var NativeScaleTransform = /** @class */ (function (_super) {
__extends(NativeScaleTransform, _super);
/**
* Constructor.
*/
function NativeScaleTransform() {
var _this = _super.call(this) || this;
/**
* The scaling vector.
*/
_this._scaling = new math_1.Vector2();
// Notify observers when scaling vector changes.
var callback = function () {
_this.notifyObservers();
};
_this._scaling.subscribeToChanges(callback);
return _this;
}
Object.defineProperty(NativeScaleTransform.prototype, "scaling", {
/**
* Getter for the scaling vector.
* @returns The scaling vector.
*/
get: function () {
return this._scaling;
},
enumerable: false,
configurable: true
});
Object.defineProperty(NativeScaleTransform.prototype, "matrix", {
/**
* Getter for the transformation matrix.
* @returns The transformation matrix.
*/
get: function () {
// Calculate the matrix from scaling vector.
var matrix = new math_1.Matrix3().setScaling(this._scaling);
return matrix;
},
enumerable: false,
configurable: true
});
Object.defineProperty(NativeScaleTransform.prototype, "matrixNonNative", {
/**
* Getter for the transformation matrix, not including native transforms.
* @returns The transformation matrix.
*/
get: function () {
// Since this is a native transform only an identity transformation is returned here.
var matrix = new math_1.Matrix3().setIdentity();
return matrix;
},
enumerable: false,
configurable: true
});
Object.defineProperty(NativeScaleTransform.prototype, "nativeSvgTransform", {
/**
* Getter for the native SVG transform attribute string.
* @returns The transform command string or null.
*/
get: function () {
var command = null;
// Only return the scaling if it's different than (1/1).
if (this._scaling.x !== 1 || this._scaling.y !== 1) {
command = "scale(".concat(this._scaling.x, ", ").concat(this._scaling.y, ")");
}
return command;
},
enumerable: false,
configurable: true
});
return NativeScaleTransform;
}(transform_1.Transform));
exports.NativeScaleTransform = NativeScaleTransform;