led-matrix-ts
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Highly customizable led matrix for the browser
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<a href="../index.html">All files</a> / <a href="index.html">core</a> panel.ts
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<span class="strong">90.91% </span>
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<span class='fraction'>50/55</span>
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<span class="strong">66.67% </span>
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<span class="strong">94.44% </span>
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<span class="strong">90.91% </span>
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<span class="cline-any cline-neutral"> </span></td><td class="text"><pre class="prettyprint lang-js">import Board from './board';
import { Sequence } from '../types';
import { Exception } from '../utils/exception';
import { Event } from '../utils/event';
import { Scroller } from './scrollers/scroller';
export interface PanelParameters {
/** The board for which the panel operates on */
board: Board,
/** Increment at each frame */
increment: number,
/** The width of the panel in bits displayed */
width: number,
/** Whether the panel animation should be reverse */
reverse: boolean,
scroller: Scroller
}
/**
* The panel deals with the displaying logic.
* You can see it as a viewport moving through a board.
* It has control over starting, stopping, pausing, resuming, seeking, ticking.
*/
export class Panel {
readonly CLASS_NAME = Panel.name;
private _initiated: boolean = false;
private _params: PanelParameters;
constructor(params: PanelParameters) {
this._params = params;
this._initiated = true;
this.updateCurrentSequence();
this._params.board.PropertyChange.on(() => {
this.updateCurrentSequence();
})
}
protected readonly onNewSequence = new Event<{sequence: Sequence}>();
<span class="fstat-no" title="function not covered" > public get </span>NewSequence() { <span class="cstat-no" title="statement not covered" >return this.onNewSequence.expose(); </span>}
public get width() {
return this._params.width;
}
public get board() {
return this._params.board;
}
public get increment() {
return this._params.increment;
}
public get reverse() {
return this._params.reverse;
}
public get scroller() {
return this._params.scroller;
}
public set width(value: number) {
const widthDescription = Exception.getDescriptionForProperty(this.CLASS_NAME, 'width');
Exception.throwIfNull(value, widthDescription);
Exception.throwIfNegative(value, widthDescription);
<span class="missing-if-branch" title="else path not taken" >E</span>if (this._params.width != value) {
this._params.width = value;
this.updateCurrentSequence();
}
}
public set board(value: Board) {
Exception.throwIfNull(value, Exception.getDescriptionForProperty(this.CLASS_NAME, 'board'));
<span class="missing-if-branch" title="if path not taken" >I</span>if (this._params.board != value) {
<span class="cstat-no" title="statement not covered" > this._params.board = value;</span>
<span class="cstat-no" title="statement not covered" > this.updateCurrentSequence(); </span>
}
}
public set increment(value: number) {
const fpsDescription = Exception.getDescriptionForProperty(this.CLASS_NAME, 'fps');
Exception.throwIfNull(value, fpsDescription);
Exception.throwIfNegative(value, fpsDescription);
<span class="missing-if-branch" title="if path not taken" >I</span>if (this._params.increment != value) {
<span class="cstat-no" title="statement not covered" > this._params.increment = value;</span>
<span class="cstat-no" title="statement not covered" > this.updateCurrentSequence();</span>
}
}
public set reverse(value: boolean) {
const reverseDescription = Exception.getDescriptionForProperty(this.CLASS_NAME, 'reverse');
Exception.throwIfNull(value, reverseDescription);
<span class="missing-if-branch" title="else path not taken" >E</span>if (value != this._params.reverse) {
this._params.reverse = value;
this.updateCurrentSequence();
}
}
public set scroller(value: Scroller) {
const reverseDescription = Exception.getDescriptionForProperty(this.CLASS_NAME, 'reverse');
Exception.throwIfNull(value, reverseDescription);
<span class="missing-if-branch" title="else path not taken" >E</span>if (value != this._params.scroller) {
this._params.scroller = value;
this.updateCurrentSequence();
}
}
public GetCurrentSequence(): Sequence {
let sequence: Sequence = [];
let panelIndex = 0;
for (let i = 0; i <= this._params.scroller.loopEndIndex(this); i++) {
panelIndex = this._tickPanelIndex(panelIndex);
sequence.push(this._params.scroller.generatePanelFrameAtIndex(panelIndex, this));
}
return sequence;
}
public updateCurrentSequence() {
<span class="missing-if-branch" title="else path not taken" >E</span>if (this._initiated) {
const sequence = this.GetCurrentSequence();
this.onNewSequence.trigger({ sequence });
}
}
private _tickPanelIndex(index: number): number {
return this._params.reverse ? this._decrementIndex(index) : this._incrementIndex(index);
}
private _incrementIndex(index: number): number {
return index >= this._params.scroller.loopEndIndex(this) ? 0 : index + this._params.increment;
}
private _decrementIndex(index: number): number {
return index === 0 ? this._params.scroller.loopEndIndex(this) : index - this._params.increment;
}
};</pre></td></tr>
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