Manual class transform
This commit is contained in:
Tim Schaub
+305
-315
@@ -61,374 +61,364 @@ import ImageStyle from '../style/Image.js';
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* @extends {module:ol/style/Image}
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* @api
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*/
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const Icon = function(opt_options) {
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class Icon {
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constructor(opt_options) {
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const options = opt_options || {};
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const options = opt_options || {};
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/**
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* @private
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* @type {Array.<number>}
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*/
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this.anchor_ = options.anchor !== undefined ? options.anchor : [0.5, 0.5];
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/**
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* @private
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* @type {Array.<number>}
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*/
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this.anchor_ = options.anchor !== undefined ? options.anchor : [0.5, 0.5];
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/**
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* @private
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* @type {Array.<number>}
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*/
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this.normalizedAnchor_ = null;
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/**
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* @private
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* @type {Array.<number>}
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*/
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this.normalizedAnchor_ = null;
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/**
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* @private
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* @type {module:ol/style/IconOrigin}
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*/
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this.anchorOrigin_ = options.anchorOrigin !== undefined ?
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options.anchorOrigin : IconOrigin.TOP_LEFT;
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/**
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* @private
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* @type {module:ol/style/IconOrigin}
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*/
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this.anchorOrigin_ = options.anchorOrigin !== undefined ?
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options.anchorOrigin : IconOrigin.TOP_LEFT;
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/**
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* @private
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* @type {module:ol/style/IconAnchorUnits}
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*/
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this.anchorXUnits_ = options.anchorXUnits !== undefined ?
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options.anchorXUnits : IconAnchorUnits.FRACTION;
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/**
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* @private
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* @type {module:ol/style/IconAnchorUnits}
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*/
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this.anchorXUnits_ = options.anchorXUnits !== undefined ?
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options.anchorXUnits : IconAnchorUnits.FRACTION;
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/**
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* @private
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* @type {module:ol/style/IconAnchorUnits}
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*/
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this.anchorYUnits_ = options.anchorYUnits !== undefined ?
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options.anchorYUnits : IconAnchorUnits.FRACTION;
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/**
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* @private
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* @type {module:ol/style/IconAnchorUnits}
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*/
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this.anchorYUnits_ = options.anchorYUnits !== undefined ?
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options.anchorYUnits : IconAnchorUnits.FRACTION;
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/**
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* @private
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* @type {?string}
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*/
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this.crossOrigin_ =
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options.crossOrigin !== undefined ? options.crossOrigin : null;
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/**
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* @private
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* @type {?string}
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*/
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this.crossOrigin_ =
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options.crossOrigin !== undefined ? options.crossOrigin : null;
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/**
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* @type {HTMLImageElement|HTMLCanvasElement}
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*/
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const image = options.img !== undefined ? options.img : null;
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/**
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* @type {HTMLImageElement|HTMLCanvasElement}
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*/
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const image = options.img !== undefined ? options.img : null;
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/**
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* @type {module:ol/size~Size}
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*/
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const imgSize = options.imgSize !== undefined ? options.imgSize : null;
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/**
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* @type {module:ol/size~Size}
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*/
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const imgSize = options.imgSize !== undefined ? options.imgSize : null;
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/**
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* @type {string|undefined}
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*/
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let src = options.src;
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/**
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* @type {string|undefined}
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*/
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let src = options.src;
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assert(!(src !== undefined && image),
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4); // `image` and `src` cannot be provided at the same time
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assert(!image || (image && imgSize),
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5); // `imgSize` must be set when `image` is provided
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assert(!(src !== undefined && image),
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4); // `image` and `src` cannot be provided at the same time
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assert(!image || (image && imgSize),
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5); // `imgSize` must be set when `image` is provided
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if ((src === undefined || src.length === 0) && image) {
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src = image.src || getUid(image).toString();
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}
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assert(src !== undefined && src.length > 0,
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6); // A defined and non-empty `src` or `image` must be provided
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/**
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* @type {module:ol/ImageState}
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*/
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const imageState = options.src !== undefined ?
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ImageState.IDLE : ImageState.LOADED;
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/**
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* @private
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* @type {module:ol/color~Color}
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*/
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this.color_ = options.color !== undefined ? asArray(options.color) : null;
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/**
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* @private
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* @type {module:ol/style/IconImage}
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*/
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this.iconImage_ = getIconImage(
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image, /** @type {string} */ (src), imgSize, this.crossOrigin_, imageState, this.color_);
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/**
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* @private
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* @type {Array.<number>}
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*/
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this.offset_ = options.offset !== undefined ? options.offset : [0, 0];
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/**
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* @private
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* @type {module:ol/style/IconOrigin}
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*/
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this.offsetOrigin_ = options.offsetOrigin !== undefined ?
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options.offsetOrigin : IconOrigin.TOP_LEFT;
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/**
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* @private
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* @type {Array.<number>}
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*/
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this.origin_ = null;
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/**
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* @private
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* @type {module:ol/size~Size}
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*/
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this.size_ = options.size !== undefined ? options.size : null;
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/**
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* @type {number}
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*/
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const opacity = options.opacity !== undefined ? options.opacity : 1;
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/**
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* @type {boolean}
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*/
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const rotateWithView = options.rotateWithView !== undefined ?
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options.rotateWithView : false;
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/**
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* @type {number}
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*/
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const rotation = options.rotation !== undefined ? options.rotation : 0;
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/**
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* @type {number}
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*/
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const scale = options.scale !== undefined ? options.scale : 1;
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/**
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* @type {boolean}
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*/
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const snapToPixel = options.snapToPixel !== undefined ?
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options.snapToPixel : true;
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ImageStyle.call(this, {
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opacity: opacity,
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rotation: rotation,
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scale: scale,
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snapToPixel: snapToPixel,
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rotateWithView: rotateWithView
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});
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if ((src === undefined || src.length === 0) && image) {
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src = image.src || getUid(image).toString();
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}
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assert(src !== undefined && src.length > 0,
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6); // A defined and non-empty `src` or `image` must be provided
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/**
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* @type {module:ol/ImageState}
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* Clones the style. The underlying Image/HTMLCanvasElement is not cloned.
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* @return {module:ol/style/Icon} The cloned style.
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* @api
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*/
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const imageState = options.src !== undefined ?
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ImageState.IDLE : ImageState.LOADED;
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clone() {
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return new Icon({
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anchor: this.anchor_.slice(),
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anchorOrigin: this.anchorOrigin_,
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anchorXUnits: this.anchorXUnits_,
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anchorYUnits: this.anchorYUnits_,
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crossOrigin: this.crossOrigin_,
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color: (this.color_ && this.color_.slice) ? this.color_.slice() : this.color_ || undefined,
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src: this.getSrc(),
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offset: this.offset_.slice(),
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offsetOrigin: this.offsetOrigin_,
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size: this.size_ !== null ? this.size_.slice() : undefined,
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opacity: this.getOpacity(),
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scale: this.getScale(),
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snapToPixel: this.getSnapToPixel(),
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rotation: this.getRotation(),
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rotateWithView: this.getRotateWithView()
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});
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}
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/**
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* @private
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* @type {module:ol/color~Color}
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* @inheritDoc
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* @api
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*/
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this.color_ = options.color !== undefined ? asArray(options.color) : null;
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getAnchor() {
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if (this.normalizedAnchor_) {
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return this.normalizedAnchor_;
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}
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let anchor = this.anchor_;
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const size = this.getSize();
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if (this.anchorXUnits_ == IconAnchorUnits.FRACTION ||
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this.anchorYUnits_ == IconAnchorUnits.FRACTION) {
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if (!size) {
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return null;
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}
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anchor = this.anchor_.slice();
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if (this.anchorXUnits_ == IconAnchorUnits.FRACTION) {
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anchor[0] *= size[0];
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}
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if (this.anchorYUnits_ == IconAnchorUnits.FRACTION) {
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anchor[1] *= size[1];
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}
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}
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if (this.anchorOrigin_ != IconOrigin.TOP_LEFT) {
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if (!size) {
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return null;
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}
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if (anchor === this.anchor_) {
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anchor = this.anchor_.slice();
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}
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if (this.anchorOrigin_ == IconOrigin.TOP_RIGHT ||
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this.anchorOrigin_ == IconOrigin.BOTTOM_RIGHT) {
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anchor[0] = -anchor[0] + size[0];
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}
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if (this.anchorOrigin_ == IconOrigin.BOTTOM_LEFT ||
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this.anchorOrigin_ == IconOrigin.BOTTOM_RIGHT) {
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anchor[1] = -anchor[1] + size[1];
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}
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}
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this.normalizedAnchor_ = anchor;
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return this.normalizedAnchor_;
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}
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/**
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* @private
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* @type {module:ol/style/IconImage}
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* Set the anchor point. The anchor determines the center point for the
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* symbolizer.
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*
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* @param {Array.<number>} anchor Anchor.
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* @api
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*/
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this.iconImage_ = getIconImage(
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image, /** @type {string} */ (src), imgSize, this.crossOrigin_, imageState, this.color_);
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setAnchor(anchor) {
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this.anchor_ = anchor;
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this.normalizedAnchor_ = null;
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}
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/**
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* @private
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* @type {Array.<number>}
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* Get the icon color.
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* @return {module:ol/color~Color} Color.
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* @api
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*/
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this.offset_ = options.offset !== undefined ? options.offset : [0, 0];
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getColor() {
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return this.color_;
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}
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/**
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* @private
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* @type {module:ol/style/IconOrigin}
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* Get the image icon.
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* @param {number} pixelRatio Pixel ratio.
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* @return {HTMLImageElement|HTMLCanvasElement} Image or Canvas element.
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* @override
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* @api
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*/
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this.offsetOrigin_ = options.offsetOrigin !== undefined ?
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options.offsetOrigin : IconOrigin.TOP_LEFT;
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getImage(pixelRatio) {
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return this.iconImage_.getImage(pixelRatio);
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}
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/**
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* @private
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* @type {Array.<number>}
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* @override
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*/
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this.origin_ = null;
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getImageSize() {
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return this.iconImage_.getSize();
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}
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/**
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* @private
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* @type {module:ol/size~Size}
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* @override
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*/
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this.size_ = options.size !== undefined ? options.size : null;
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getHitDetectionImageSize() {
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return this.getImageSize();
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}
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/**
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* @type {number}
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* @override
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*/
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const opacity = options.opacity !== undefined ? options.opacity : 1;
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getImageState() {
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return this.iconImage_.getImageState();
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}
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/**
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* @type {boolean}
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* @override
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*/
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const rotateWithView = options.rotateWithView !== undefined ?
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options.rotateWithView : false;
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getHitDetectionImage(pixelRatio) {
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return this.iconImage_.getHitDetectionImage(pixelRatio);
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}
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/**
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* @type {number}
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* @inheritDoc
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* @api
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*/
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const rotation = options.rotation !== undefined ? options.rotation : 0;
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getOrigin() {
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if (this.origin_) {
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return this.origin_;
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}
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let offset = this.offset_;
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if (this.offsetOrigin_ != IconOrigin.TOP_LEFT) {
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const size = this.getSize();
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const iconImageSize = this.iconImage_.getSize();
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if (!size || !iconImageSize) {
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return null;
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}
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offset = offset.slice();
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if (this.offsetOrigin_ == IconOrigin.TOP_RIGHT ||
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this.offsetOrigin_ == IconOrigin.BOTTOM_RIGHT) {
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offset[0] = iconImageSize[0] - size[0] - offset[0];
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}
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if (this.offsetOrigin_ == IconOrigin.BOTTOM_LEFT ||
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this.offsetOrigin_ == IconOrigin.BOTTOM_RIGHT) {
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offset[1] = iconImageSize[1] - size[1] - offset[1];
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}
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}
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this.origin_ = offset;
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return this.origin_;
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}
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/**
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* @type {number}
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* Get the image URL.
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* @return {string|undefined} Image src.
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* @api
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*/
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const scale = options.scale !== undefined ? options.scale : 1;
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getSrc() {
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return this.iconImage_.getSrc();
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}
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/**
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* @type {boolean}
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* @inheritDoc
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* @api
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*/
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const snapToPixel = options.snapToPixel !== undefined ?
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options.snapToPixel : true;
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getSize() {
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return !this.size_ ? this.iconImage_.getSize() : this.size_;
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}
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ImageStyle.call(this, {
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opacity: opacity,
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rotation: rotation,
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scale: scale,
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snapToPixel: snapToPixel,
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rotateWithView: rotateWithView
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});
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/**
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* @override
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*/
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listenImageChange(listener, thisArg) {
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return listen(this.iconImage_, EventType.CHANGE,
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listener, thisArg);
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}
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};
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/**
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* Load not yet loaded URI.
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* When rendering a feature with an icon style, the vector renderer will
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* automatically call this method. However, you might want to call this
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* method yourself for preloading or other purposes.
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* @override
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* @api
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*/
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load() {
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this.iconImage_.load();
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}
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/**
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* @override
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*/
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unlistenImageChange(listener, thisArg) {
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unlisten(this.iconImage_, EventType.CHANGE,
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listener, thisArg);
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}
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}
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inherits(Icon, ImageStyle);
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/**
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* Clones the style. The underlying Image/HTMLCanvasElement is not cloned.
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* @return {module:ol/style/Icon} The cloned style.
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* @api
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*/
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Icon.prototype.clone = function() {
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return new Icon({
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anchor: this.anchor_.slice(),
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anchorOrigin: this.anchorOrigin_,
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anchorXUnits: this.anchorXUnits_,
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anchorYUnits: this.anchorYUnits_,
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crossOrigin: this.crossOrigin_,
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color: (this.color_ && this.color_.slice) ? this.color_.slice() : this.color_ || undefined,
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src: this.getSrc(),
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offset: this.offset_.slice(),
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offsetOrigin: this.offsetOrigin_,
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size: this.size_ !== null ? this.size_.slice() : undefined,
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opacity: this.getOpacity(),
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scale: this.getScale(),
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snapToPixel: this.getSnapToPixel(),
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rotation: this.getRotation(),
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rotateWithView: this.getRotateWithView()
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});
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};
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/**
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* @inheritDoc
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* @api
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*/
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Icon.prototype.getAnchor = function() {
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if (this.normalizedAnchor_) {
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return this.normalizedAnchor_;
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}
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let anchor = this.anchor_;
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const size = this.getSize();
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if (this.anchorXUnits_ == IconAnchorUnits.FRACTION ||
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this.anchorYUnits_ == IconAnchorUnits.FRACTION) {
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if (!size) {
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return null;
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}
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anchor = this.anchor_.slice();
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if (this.anchorXUnits_ == IconAnchorUnits.FRACTION) {
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anchor[0] *= size[0];
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}
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if (this.anchorYUnits_ == IconAnchorUnits.FRACTION) {
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anchor[1] *= size[1];
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}
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}
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if (this.anchorOrigin_ != IconOrigin.TOP_LEFT) {
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if (!size) {
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return null;
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}
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if (anchor === this.anchor_) {
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anchor = this.anchor_.slice();
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}
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if (this.anchorOrigin_ == IconOrigin.TOP_RIGHT ||
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this.anchorOrigin_ == IconOrigin.BOTTOM_RIGHT) {
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anchor[0] = -anchor[0] + size[0];
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}
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if (this.anchorOrigin_ == IconOrigin.BOTTOM_LEFT ||
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this.anchorOrigin_ == IconOrigin.BOTTOM_RIGHT) {
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anchor[1] = -anchor[1] + size[1];
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}
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}
|
||||
this.normalizedAnchor_ = anchor;
|
||||
return this.normalizedAnchor_;
|
||||
};
|
||||
|
||||
/**
|
||||
* Set the anchor point. The anchor determines the center point for the
|
||||
* symbolizer.
|
||||
*
|
||||
* @param {Array.<number>} anchor Anchor.
|
||||
* @api
|
||||
*/
|
||||
Icon.prototype.setAnchor = function(anchor) {
|
||||
this.anchor_ = anchor;
|
||||
this.normalizedAnchor_ = null;
|
||||
};
|
||||
|
||||
|
||||
/**
|
||||
* Get the icon color.
|
||||
* @return {module:ol/color~Color} Color.
|
||||
* @api
|
||||
*/
|
||||
Icon.prototype.getColor = function() {
|
||||
return this.color_;
|
||||
};
|
||||
|
||||
|
||||
/**
|
||||
* Get the image icon.
|
||||
* @param {number} pixelRatio Pixel ratio.
|
||||
* @return {HTMLImageElement|HTMLCanvasElement} Image or Canvas element.
|
||||
* @override
|
||||
* @api
|
||||
*/
|
||||
Icon.prototype.getImage = function(pixelRatio) {
|
||||
return this.iconImage_.getImage(pixelRatio);
|
||||
};
|
||||
|
||||
|
||||
/**
|
||||
* @override
|
||||
*/
|
||||
Icon.prototype.getImageSize = function() {
|
||||
return this.iconImage_.getSize();
|
||||
};
|
||||
|
||||
|
||||
/**
|
||||
* @override
|
||||
*/
|
||||
Icon.prototype.getHitDetectionImageSize = function() {
|
||||
return this.getImageSize();
|
||||
};
|
||||
|
||||
|
||||
/**
|
||||
* @override
|
||||
*/
|
||||
Icon.prototype.getImageState = function() {
|
||||
return this.iconImage_.getImageState();
|
||||
};
|
||||
|
||||
|
||||
/**
|
||||
* @override
|
||||
*/
|
||||
Icon.prototype.getHitDetectionImage = function(pixelRatio) {
|
||||
return this.iconImage_.getHitDetectionImage(pixelRatio);
|
||||
};
|
||||
|
||||
|
||||
/**
|
||||
* @inheritDoc
|
||||
* @api
|
||||
*/
|
||||
Icon.prototype.getOrigin = function() {
|
||||
if (this.origin_) {
|
||||
return this.origin_;
|
||||
}
|
||||
let offset = this.offset_;
|
||||
|
||||
if (this.offsetOrigin_ != IconOrigin.TOP_LEFT) {
|
||||
const size = this.getSize();
|
||||
const iconImageSize = this.iconImage_.getSize();
|
||||
if (!size || !iconImageSize) {
|
||||
return null;
|
||||
}
|
||||
offset = offset.slice();
|
||||
if (this.offsetOrigin_ == IconOrigin.TOP_RIGHT ||
|
||||
this.offsetOrigin_ == IconOrigin.BOTTOM_RIGHT) {
|
||||
offset[0] = iconImageSize[0] - size[0] - offset[0];
|
||||
}
|
||||
if (this.offsetOrigin_ == IconOrigin.BOTTOM_LEFT ||
|
||||
this.offsetOrigin_ == IconOrigin.BOTTOM_RIGHT) {
|
||||
offset[1] = iconImageSize[1] - size[1] - offset[1];
|
||||
}
|
||||
}
|
||||
this.origin_ = offset;
|
||||
return this.origin_;
|
||||
};
|
||||
|
||||
|
||||
/**
|
||||
* Get the image URL.
|
||||
* @return {string|undefined} Image src.
|
||||
* @api
|
||||
*/
|
||||
Icon.prototype.getSrc = function() {
|
||||
return this.iconImage_.getSrc();
|
||||
};
|
||||
|
||||
|
||||
/**
|
||||
* @inheritDoc
|
||||
* @api
|
||||
*/
|
||||
Icon.prototype.getSize = function() {
|
||||
return !this.size_ ? this.iconImage_.getSize() : this.size_;
|
||||
};
|
||||
|
||||
|
||||
/**
|
||||
* @override
|
||||
*/
|
||||
Icon.prototype.listenImageChange = function(listener, thisArg) {
|
||||
return listen(this.iconImage_, EventType.CHANGE,
|
||||
listener, thisArg);
|
||||
};
|
||||
|
||||
|
||||
/**
|
||||
* Load not yet loaded URI.
|
||||
* When rendering a feature with an icon style, the vector renderer will
|
||||
* automatically call this method. However, you might want to call this
|
||||
* method yourself for preloading or other purposes.
|
||||
* @override
|
||||
* @api
|
||||
*/
|
||||
Icon.prototype.load = function() {
|
||||
this.iconImage_.load();
|
||||
};
|
||||
|
||||
|
||||
/**
|
||||
* @override
|
||||
*/
|
||||
Icon.prototype.unlistenImageChange = function(listener, thisArg) {
|
||||
unlisten(this.iconImage_, EventType.CHANGE,
|
||||
listener, thisArg);
|
||||
};
|
||||
export default Icon;
|
||||
|
||||
Reference in New Issue
Block a user