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Add imageRatio option for VectorImage layers

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This commit is contained in:
Frederic Junod
2018-11-13 19:05:21 +01:00
parent 5951e147c0
commit e66a84c897
4 changed files with 69 additions and 2 deletions
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14
src/ol/renderer/canvas/VectorImageLayer.js
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@@ -4,7 +4,7 @@
import ImageCanvas from '../../ImageCanvas.js';
import ViewHint from '../../ViewHint.js';
import {equals} from '../../array.js';
import {getHeight, getWidth, isEmpty} from '../../extent.js';
import {getHeight, getWidth, isEmpty, scaleFromCenter} from '../../extent.js';
import {assign} from '../../obj.js';
import CanvasImageLayerRenderer from './ImageLayer.js';
import CanvasVectorLayerRenderer from './VectorLayer.js';
@@ -33,6 +33,12 @@ class CanvasVectorImageLayerRenderer extends CanvasImageLayerRenderer {
*/
this.vectorRenderer_ = new CanvasVectorLayerRenderer(layer);
/**
* @private
* @type {number}
*/
this.layerImageRatio_ = layer.getImageRatio();
}
/**
@@ -53,7 +59,11 @@ class CanvasVectorImageLayerRenderer extends CanvasImageLayerRenderer {
const hints = frameState.viewHints;
const vectorRenderer = this.vectorRenderer_;
const renderedExtent = frameState.extent;
let renderedExtent = frameState.extent;
if (this.layerImageRatio_ !== 1) {
renderedExtent = renderedExtent.slice(0);
scaleFromCenter(renderedExtent, this.layerImageRatio_);
}
if (!hints[ViewHint.ANIMATING] && !hints[ViewHint.INTERACTING] && !isEmpty(renderedExtent)) {
let skippedFeatures = this.skippedFeatures_;