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handle updateable displacement

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This commit is contained in:
mike-000
2021-10-25 10:22:40 +01:00
committed by GitHub
parent 9267d2994d
commit a0da16e4e9
1 changed files with 40 additions and 43 deletions
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83
src/ol/style/Icon.js
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@@ -32,7 +32,7 @@ import {getUid} from '../util.js';
* to provide the size of the image, with the `imgSize` option.
* @property {Array<number>} [offset=[0, 0]] Offset, which, together with the size and the offset origin, define the
* sub-rectangle to use from the original icon image.
* @property {Array<number>} [displacement=[0,0]] Displacement the icon
* @property {Array<number>} [displacement=[0,0]] Displacement of the icon.
* @property {import("./IconOrigin.js").default} [offsetOrigin='top-left'] Origin of the offset: `bottom-left`, `bottom-right`,
* `top-left` or `top-right`.
* @property {number} [opacity=1] Opacity of the icon.
@@ -244,53 +244,50 @@ class Icon extends ImageStyle {
* @api
*/
getAnchor() {
if (this.normalizedAnchor_) {
return this.normalizedAnchor_;
}
let anchor = this.anchor_;
const size = this.getSize();
if (
this.anchorXUnits_ == IconAnchorUnits.FRACTION ||
this.anchorYUnits_ == IconAnchorUnits.FRACTION
) {
if (!size) {
return null;
}
anchor = this.anchor_.slice();
if (this.anchorXUnits_ == IconAnchorUnits.FRACTION) {
anchor[0] *= size[0];
}
if (this.anchorYUnits_ == IconAnchorUnits.FRACTION) {
anchor[1] *= size[1];
}
}
if (this.anchorOrigin_ != IconOrigin.TOP_LEFT) {
if (!size) {
return null;
}
if (anchor === this.anchor_) {
let anchor = this.normalizedAnchor_;
if (!anchor) {
anchor = this.anchor_;
const size = this.getSize();
if (
this.anchorXUnits_ == IconAnchorUnits.FRACTION ||
this.anchorYUnits_ == IconAnchorUnits.FRACTION
) {
if (!size) {
return null;
}
anchor = this.anchor_.slice();
if (this.anchorXUnits_ == IconAnchorUnits.FRACTION) {
anchor[0] *= size[0];
}
if (this.anchorYUnits_ == IconAnchorUnits.FRACTION) {
anchor[1] *= size[1];
}
}
if (
this.anchorOrigin_ == IconOrigin.TOP_RIGHT ||
this.anchorOrigin_ == IconOrigin.BOTTOM_RIGHT
) {
anchor[0] = -anchor[0] + size[0];
}
if (
this.anchorOrigin_ == IconOrigin.BOTTOM_LEFT ||
this.anchorOrigin_ == IconOrigin.BOTTOM_RIGHT
) {
anchor[1] = -anchor[1] + size[1];
if (this.anchorOrigin_ != IconOrigin.TOP_LEFT) {
if (!size) {
return null;
}
if (anchor === this.anchor_) {
anchor = this.anchor_.slice();
}
if (
this.anchorOrigin_ == IconOrigin.TOP_RIGHT ||
this.anchorOrigin_ == IconOrigin.BOTTOM_RIGHT
) {
anchor[0] = -anchor[0] + size[0];
}
if (
this.anchorOrigin_ == IconOrigin.BOTTOM_LEFT ||
this.anchorOrigin_ == IconOrigin.BOTTOM_RIGHT
) {
anchor[1] = -anchor[1] + size[1];
}
}
this.normalizedAnchor_ = anchor;
}
const displacement = this.getDisplacement();
anchor[0] -= displacement[0];
anchor[1] += displacement[1];
this.normalizedAnchor_ = anchor;
return this.normalizedAnchor_;
return [anchor[0] - displacement[0], anchor[1] + displacement[1]];
}
/**