ashatora/openlayers
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

Create context in vector tile layer constructor

Browse Source
This commit is contained in:
Tim Schaub
2018-11-04 11:44:22 -07:00
parent e55cca1e7d
commit 5dfa82c27e
2 changed files with 29 additions and 12 deletions
Download Patch File Download Diff File Expand all files Collapse all files

16
src/ol/renderer/canvas/VectorTileLayer.js
View File

@@ -86,8 +86,15 @@ class CanvasVectorTileLayerRenderer extends CanvasTileLayerRenderer {
*/
this.tmpTransform_ = createTransform();
const renderMode = layer.getRenderMode();
// Use lower resolution for pure vector rendering. Closest resolution otherwise.
this.zDirection = layer.getRenderMode() == VectorTileRenderType.VECTOR ? 1 : 0;
this.zDirection = renderMode === VectorTileRenderType.VECTOR ? 1 : 0;
if (renderMode !== VectorTileRenderType.VECTOR) {
this.context = createCanvasContext2D();
}
listen(labelCache, EventType.CLEAR, this.handleFontsChanged_, this);
@@ -131,13 +138,6 @@ class CanvasVectorTileLayerRenderer extends CanvasTileLayerRenderer {
const layerRevision = layer.getRevision();
if (this.renderedLayerRevision_ != layerRevision) {
this.renderedTiles.length = 0;
const renderMode = layer.getRenderMode();
if (!this.context && renderMode != VectorTileRenderType.VECTOR) {
this.context = createCanvasContext2D();
}
if (this.context && renderMode == VectorTileRenderType.VECTOR) {
this.context = null;
}
}
this.renderedLayerRevision_ = layerRevision;
return super.prepareFrame(frameState, layerState);