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Make the immediate API work with a user projection

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This commit is contained in:
Tim Schaub
2019-09-27 15:34:35 +02:00
parent 8aa4a59fcf
commit d3b47c794e
10 changed files with 163 additions and 54 deletions
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14
src/ol/renderer/canvas/VectorLayer.js
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@@ -4,7 +4,7 @@
import {getUid} from '../../util.js';
import ViewHint from '../../ViewHint.js';
import {buffer, createEmpty, containsExtent, getWidth, intersects as intersectsExtent} from '../../extent.js';
import {fromUserExtent, toUserExtent, getUserProjection} from '../../proj.js';
import {fromUserExtent, toUserExtent, getUserProjection, getTransformFromProjections} from '../../proj.js';
import CanvasBuilderGroup from '../../render/canvas/BuilderGroup.js';
import ExecutorGroup, {replayDeclutter} from '../../render/canvas/ExecutorGroup.js';
import CanvasLayerRenderer from './Layer.js';
@@ -307,8 +307,10 @@ class CanvasVectorLayerRenderer extends CanvasLayerRenderer {
pixelRatio, vectorLayer.getDeclutter());
const userProjection = getUserProjection();
let userTransform;
if (userProjection) {
vectorSource.loadFeatures(toUserExtent(extent, projection), resolution, userProjection);
userTransform = getTransformFromProjections(userProjection, projection);
} else {
vectorSource.loadFeatures(extent, resolution, projection);
}
@@ -326,7 +328,7 @@ class CanvasVectorLayerRenderer extends CanvasLayerRenderer {
styles = styleFunction(feature, resolution);
}
if (styles) {
const dirty = this.renderFeature(feature, squaredTolerance, styles, replayGroup, projection);
const dirty = this.renderFeature(feature, squaredTolerance, styles, replayGroup, userTransform);
this.dirty_ = this.dirty_ || dirty;
}
}.bind(this);
@@ -370,10 +372,10 @@ class CanvasVectorLayerRenderer extends CanvasLayerRenderer {
* @param {number} squaredTolerance Squared render tolerance.
* @param {import("../../style/Style.js").default|Array<import("../../style/Style.js").default>} styles The style or array of styles.
* @param {import("../../render/canvas/BuilderGroup.js").default} builderGroup Builder group.
* @param {import("../../proj/Projection.js").default} projection The view projection.
* @param {import("../../proj.js").TransformFunction} opt_transform Transform from user to view projection.
* @return {boolean} `true` if an image is loading.
*/
renderFeature(feature, squaredTolerance, styles, builderGroup, projection) {
renderFeature(feature, squaredTolerance, styles, builderGroup, opt_transform) {
if (!styles) {
return false;
}
@@ -382,12 +384,12 @@ class CanvasVectorLayerRenderer extends CanvasLayerRenderer {
for (let i = 0, ii = styles.length; i < ii; ++i) {
loading = renderFeature(
builderGroup, feature, styles[i], squaredTolerance,
this.boundHandleStyleImageChange_, projection) || loading;
this.boundHandleStyleImageChange_, opt_transform) || loading;
}
} else {
loading = renderFeature(
builderGroup, feature, styles, squaredTolerance,
this.boundHandleStyleImageChange_, projection);
this.boundHandleStyleImageChange_, opt_transform);
}
return loading;
}