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Fix for undefined source in Image layer

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Prevent error if layer does not have a source.  Also clear any existing image if source is set to null or undefined by setSource.
This commit is contained in:
mike-000
2020-01-01 22:04:10 +00:00
committed by GitHub
parent 6063021792
commit 5b1df4438d
1 changed files with 13 additions and 9 deletions
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22
src/ol/renderer/canvas/ImageLayer.js
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@@ -55,16 +55,20 @@ class CanvasImageLayerRenderer extends CanvasLayerRenderer {
}
if (!hints[ViewHint.ANIMATING] && !hints[ViewHint.INTERACTING] && !isEmpty(renderedExtent)) {
let projection = viewState.projection;
if (!ENABLE_RASTER_REPROJECTION) {
const sourceProjection = imageSource.getProjection();
if (sourceProjection) {
projection = sourceProjection;
if (imageSource) {
let projection = viewState.projection;
if (!ENABLE_RASTER_REPROJECTION) {
const sourceProjection = imageSource.getProjection();
if (sourceProjection) {
projection = sourceProjection;
}
}
}
const image = imageSource.getImage(renderedExtent, viewResolution, pixelRatio, projection);
if (image && this.loadImage(image)) {
this.image_ = image;
const image = imageSource.getImage(renderedExtent, viewResolution, pixelRatio, projection);
if (image && this.loadImage(image)) {
this.image_ = image;
}
} else {
this.image_ = null;
}
}