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Use the inverse pixel transform in pre/post render events

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This commit is contained in:
Tim Schaub
2018-11-17 14:49:02 +01:00
parent 686847f491
commit af10f6a75c
5 changed files with 19 additions and 36 deletions
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28
src/ol/renderer/canvas/Layer.js
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@@ -132,46 +132,32 @@ class CanvasLayerRenderer extends LayerRenderer {
* @param {import("../../render/EventType.js").default} type Event type.
* @param {CanvasRenderingContext2D} context Context.
* @param {import("../../PluggableMap.js").FrameState} frameState Frame state.
* @param {import("../../transform.js").Transform} pixelTransform Transform.
* @private
*/
dispatchComposeEvent_(type, context, frameState, pixelTransform) {
dispatchRenderEvent_(type, context, frameState) {
const layer = this.getLayer();
if (layer.hasListener(type)) {
const composeEvent = new RenderEvent(type, pixelTransform, frameState,
context, null);
layer.dispatchEvent(composeEvent);
const event = new RenderEvent(type, this.inversePixelTransform_, frameState, context, null);
layer.dispatchEvent(event);
}
}
/**
* @param {CanvasRenderingContext2D} context Context.
* @param {import("../../PluggableMap.js").FrameState} frameState Frame state.
* @param {import("../../transform.js").Transform=} opt_transform Transform.
* @protected
*/
preRender(context, frameState, opt_transform) {
this.dispatchComposeEvent_(RenderEventType.PRERENDER, context, frameState, opt_transform);
preRender(context, frameState) {
this.dispatchRenderEvent_(RenderEventType.PRERENDER, context, frameState);
}
/**
* @param {CanvasRenderingContext2D} context Context.
* @param {import("../../PluggableMap.js").FrameState} frameState Frame state.
* @param {import("../../transform.js").Transform=} opt_transform Transform.
* @protected
*/
postRender(context, frameState, opt_transform) {
this.dispatchComposeEvent_(RenderEventType.POSTRENDER, context, frameState, opt_transform);
}
/**
* @param {CanvasRenderingContext2D} context Context.
* @param {import("../../PluggableMap.js").FrameState} frameState Frame state.
* @param {import("../../transform.js").Transform=} opt_transform Transform.
* @protected
*/
dispatchRenderEvent(context, frameState, opt_transform) {
this.dispatchComposeEvent_(RenderEventType.RENDER, context, frameState, opt_transform);
postRender(context, frameState) {
this.dispatchRenderEvent_(RenderEventType.POSTRENDER, context, frameState);
}
/**