r3-legacy/src/game-lib-canvas.js

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/**
* Canvas object
* @param apiCanvas
* @returns {GameLib.Canvas}
* @constructor
*/
GameLib.Canvas = function(
apiCanvas
) {
if (GameLib.Utils.UndefinedOrNull(apiCanvas)) {
apiCanvas = {};
}
if (apiCanvas instanceof GameLib.Canvas) {
return apiCanvas;
}
GameLib.API.Canvas.call(
this,
apiCanvas.id,
apiCanvas.name,
apiCanvas.width,
apiCanvas.height,
apiCanvas.parentEntity
);
GameLib.Component.call(
this,
GameLib.Component.COMPONENT_CANVAS
);
};
GameLib.Canvas.prototype = Object.create(GameLib.API.Canvas.prototype);
GameLib.Canvas.prototype.constructor = GameLib.Canvas;
/**
* Creates a light instance
* @returns {*}
*/
GameLib.Canvas.prototype.createInstance = function() {
this.instance = document.createElement('canvas');
this.instance.width = this.width;
this.instance.height = this.height;
GameLib.Component.prototype.createInstance.call(this);
};
/**
* Updates the instance with the current state
*/
GameLib.Canvas.prototype.updateInstance = function(property) {
if (GameLib.Utils.UndefinedOrNull(property)) {
console.warn('unknown property update for Canvas: ' + property);
}
if (property === 'width') {
this.instance.width = this.width;
}
if (property === 'height') {
this.instance.height = this.height;
}
};
/**
* Converts a GameLib.Canvas to a GameLib.API.Canvas
* @returns {GameLib.API.Canvas}
*/
GameLib.Canvas.prototype.toApiObject = function() {
return new GameLib.API.Canvas(
this.id,
this.name,
this.width,
this.height,
GameLib.Utils.IdOrNull(this.parentEntity)
);
};
/**
* Returns a new GameLib.Canvas from a GameLib.API.Canvas
* @param objectCanvas GameLib.API.Canvas
* @returns {GameLib.Canvas}
*/
GameLib.Canvas.FromObject = function(objectCanvas) {
return new GameLib.Canvas(
GameLib.API.Canvas.FromObject(objectCanvas)
);
};