Set reprojection canvas context options

Add example of disabling image smoothing Add test for reprojection context options
2019-12-15 23:24:07 +00:00
parent 4c0bdda8b8
commit 560931e976
18 changed files with 272 additions and 6 deletions
@@ -34,6 +34,8 @@ import {appendParams} from '../uri.js';
 * @property {import("../proj.js").ProjectionLike} [projection] Projection. Default is the view projection.
 * @property {number} [reprojectionErrorThreshold=0.5] Maximum allowed reprojection error (in pixels).
 * Higher values can increase reprojection performance, but decrease precision.
+ * @property {object} [reprojectionContextOptions] Optional properties to set on the canvas context used
+ * for reprojection. For example specify `{imageSmoothingEnabled: false}` to disable image smoothing.
 * @property {import("../Tile.js").LoadFunction} [tileLoadFunction] Optional function to load a tile given a URL.
 * The default is
 * ```js
@@ -74,6 +76,7 @@ class TileArcGISRest extends TileImage {
      crossOrigin: options.crossOrigin,
      projection: options.projection,
      reprojectionErrorThreshold: options.reprojectionErrorThreshold,
+      reprojectionContextOptions: options.reprojectionContextOptions,
      tileGrid: options.tileGrid,
      tileLoadFunction: options.tileLoadFunction,
      tileUrlFunction: tileUrlFunction,