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PxLength.ts
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/
PxLength.ts
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// Copyright 2015-2019 SWIM.AI inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
import {Murmur3} from "@swim/util";
import {Output} from "@swim/codec";
import {LengthUnits, Length} from "./Length";
export class PxLength extends Length {
/** @hidden */
readonly _value: number;
/** @hidden */
readonly _node: Node | undefined;
constructor(value: number, node?: Node) {
super();
this._value = value;
this._node = node;
}
value(): number {
return this._value;
}
units(): LengthUnits {
return "px";
}
unitValue(): number {
return 1;
}
node(): Node | undefined {
return this._node;
}
pxValue(): number {
return this._value;
}
px(): PxLength {
return this;
}
equals(that: unknown): boolean {
if (that instanceof PxLength) {
return this._value === that._value && this._node === that._node;
}
return false;
}
hashCode(): number {
if (PxLength._hashSeed === void 0) {
PxLength._hashSeed = Murmur3.seed(PxLength);
}
return Murmur3.mash(Murmur3.mix(PxLength._hashSeed, Murmur3.hash(this._value)));
}
debug(output: Output): void {
output = output.write("Length").write(46/*'.'*/).write("px").write(40/*'('*/).debug(this._value);
if (this._node) {
output = output.write(", ").debug(this._node);
}
output = output.write(41/*')'*/);
}
toString(): string {
return this._value + "px";
}
private static _hashSeed?: number;
}
Length.Px = PxLength;