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Make VectorTile source work with multiple layers

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This commit is contained in:
Andreas Hocevar
2017-07-09 14:08:08 +02:00
parent 4a0f97ac6a
commit 7739239e89
5 changed files with 64 additions and 33 deletions
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44
src/ol/vectorimagetile.js
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@@ -40,9 +40,9 @@ ol.VectorImageTile = function(tileCoord, state, src, format, tileLoadFunction,
/**
* @private
* @type {CanvasRenderingContext2D}
* @type {Object.<string, CanvasRenderingContext2D>}
*/
this.context_ = null;
this.context_ = {};
/**
* @private
@@ -52,14 +52,9 @@ ol.VectorImageTile = function(tileCoord, state, src, format, tileLoadFunction,
/**
* @private
* @type {ol.TileReplayState}
* @type {Object.<string, ol.TileReplayState>}
*/
this.replayState_ = {
dirty: false,
renderedRenderOrder: null,
renderedRevision: -1,
renderedTileRevision: -1
};
this.replayState_ = {};
/**
* @private
@@ -155,31 +150,44 @@ ol.VectorImageTile.prototype.disposeInternal = function() {
/**
* @param {ol.layer.Layer} layer Layer.
* @return {CanvasRenderingContext2D} The rendering context.
*/
ol.VectorImageTile.prototype.getContext = function() {
if (!this.context_) {
this.context_ = ol.dom.createCanvasContext2D();
ol.VectorImageTile.prototype.getContext = function(layer) {
var key = ol.getUid(layer).toString();
if (!(key in this.context_)) {
this.context_[key] = ol.dom.createCanvasContext2D();
}
return this.context_;
return this.context_[key];
};
/**
* Get the Canvas for this tile.
* @param {ol.layer.Layer} layer Layer.
* @return {HTMLCanvasElement} Canvas.
*/
ol.VectorImageTile.prototype.getImage = function() {
return this.replayState_.renderedTileRevision == -1 ?
null : this.context_.canvas;
ol.VectorImageTile.prototype.getImage = function(layer) {
return this.getReplayState(layer).renderedTileRevision == -1 ?
null : this.getContext(layer).canvas;
};
/**
* @param {ol.layer.Layer} layer Layer.
* @return {ol.TileReplayState} The replay state.
*/
ol.VectorImageTile.prototype.getReplayState = function() {
return this.replayState_;
ol.VectorImageTile.prototype.getReplayState = function(layer) {
var key = ol.getUid(layer).toString();
if (!(key in this.replayState_)) {
this.replayState_[key] = {
dirty: false,
renderedRenderOrder: null,
renderedRevision: -1,
renderedTileRevision: -1
};
}
return this.replayState_[key];
};