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| goog.provide('ol.renderer.vector');
goog.require('ol');
goog.require('ol.ImageState');
goog.require('ol.geom.GeometryType');
goog.require('ol.render.ReplayType');
/**
* @param {ol.Feature|ol.render.Feature} feature1 Feature 1.
* @param {ol.Feature|ol.render.Feature} feature2 Feature 2.
* @return {number} Order.
*/
ol.renderer.vector.defaultOrder = function(feature1, feature2) {
return ol.getUid(feature1) - ol.getUid(feature2);
};
/**
* @param {number} resolution Resolution.
* @param {number} pixelRatio Pixel ratio.
* @return {number} Squared pixel tolerance.
*/
ol.renderer.vector.getSquaredTolerance = function(resolution, pixelRatio) {
var tolerance = ol.renderer.vector.getTolerance(resolution, pixelRatio);
return tolerance * tolerance;
};
/**
* @param {number} resolution Resolution.
* @param {number} pixelRatio Pixel ratio.
* @return {number} Pixel tolerance.
*/
ol.renderer.vector.getTolerance = function(resolution, pixelRatio) {
return ol.SIMPLIFY_TOLERANCE * resolution / pixelRatio;
};
/**
* @param {ol.render.ReplayGroup} replayGroup Replay group.
* @param {ol.geom.Circle} geometry Geometry.
* @param {ol.style.Style} style Style.
* @param {ol.Feature} feature Feature.
* @private
*/
ol.renderer.vector.renderCircleGeometry_ = function(replayGroup, geometry, style, feature) {
var fillStyle = style.getFill();
var strokeStyle = style.getStroke();
Eif (fillStyle || strokeStyle) {
var circleReplay = replayGroup.getReplay(
style.getZIndex(), ol.render.ReplayType.CIRCLE);
circleReplay.setFillStrokeStyle(fillStyle, strokeStyle);
circleReplay.drawCircle(geometry, feature);
}
var textStyle = style.getText();
Iif (textStyle) {
var textReplay = replayGroup.getReplay(
style.getZIndex(), ol.render.ReplayType.TEXT);
textReplay.setTextStyle(textStyle);
textReplay.drawText(geometry.getCenter(), 0, 2, 2, geometry, feature);
}
};
/**
* @param {ol.render.ReplayGroup} replayGroup Replay group.
* @param {ol.Feature|ol.render.Feature} feature Feature.
* @param {ol.style.Style} style Style.
* @param {number} squaredTolerance Squared tolerance.
* @param {function(this: T, ol.events.Event)} listener Listener function.
* @param {T} thisArg Value to use as `this` when executing `listener`.
* @return {boolean} `true` if style is loading.
* @template T
*/
ol.renderer.vector.renderFeature = function(
replayGroup, feature, style, squaredTolerance, listener, thisArg) {
var loading = false;
var imageStyle, imageState;
imageStyle = style.getImage();
if (imageStyle) {
imageState = imageStyle.getImageState();
if (imageState == ol.ImageState.LOADED ||
imageState == ol.ImageState.ERROR) {
imageStyle.unlistenImageChange(listener, thisArg);
} else {
if (imageState == ol.ImageState.IDLE) {
imageStyle.load();
}
imageState = imageStyle.getImageState();
imageStyle.listenImageChange(listener, thisArg);
loading = true;
}
}
ol.renderer.vector.renderFeature_(replayGroup, feature, style,
squaredTolerance);
return loading;
};
/**
* @param {ol.render.ReplayGroup} replayGroup Replay group.
* @param {ol.Feature|ol.render.Feature} feature Feature.
* @param {ol.style.Style} style Style.
* @param {number} squaredTolerance Squared tolerance.
* @private
*/
ol.renderer.vector.renderFeature_ = function(
replayGroup, feature, style, squaredTolerance) {
var geometry = style.getGeometryFunction()(feature);
if (!geometry) {
return;
}
var simplifiedGeometry = geometry.getSimplifiedGeometry(squaredTolerance);
var renderer = style.getRenderer();
if (renderer) {
ol.renderer.vector.renderGeometry_(replayGroup, simplifiedGeometry, style, feature);
} else {
var geometryRenderer =
ol.renderer.vector.GEOMETRY_RENDERERS_[simplifiedGeometry.getType()];
geometryRenderer(replayGroup, simplifiedGeometry, style, feature);
}
};
/**
* @param {ol.render.ReplayGroup} replayGroup Replay group.
* @param {ol.geom.Geometry} geometry Geometry.
* @param {ol.style.Style} style Style.
* @param {ol.Feature|ol.render.Feature} feature Feature.
* @private
*/
ol.renderer.vector.renderGeometry_ = function(replayGroup, geometry, style, feature) {
if (geometry.getType() == ol.geom.GeometryType.GEOMETRY_COLLECTION) {
var geometries = /** @type {ol.geom.GeometryCollection} */ (geometry).getGeometries();
for (var i = 0, ii = geometries.length; i < ii; ++i) {
ol.renderer.vector.renderGeometry_(replayGroup, geometries[i], style, feature);
}
return;
}
var replay = replayGroup.getReplay(style.getZIndex(), ol.render.ReplayType.DEFAULT);
replay.drawCustom(/** @type {ol.geom.SimpleGeometry} */ (geometry), feature, style.getRenderer());
};
/**
* @param {ol.render.ReplayGroup} replayGroup Replay group.
* @param {ol.geom.GeometryCollection} geometry Geometry.
* @param {ol.style.Style} style Style.
* @param {ol.Feature} feature Feature.
* @private
*/
ol.renderer.vector.renderGeometryCollectionGeometry_ = function(replayGroup, geometry, style, feature) {
var geometries = geometry.getGeometriesArray();
var i, ii;
for (i = 0, ii = geometries.length; i < ii; ++i) {
var geometryRenderer =
ol.renderer.vector.GEOMETRY_RENDERERS_[geometries[i].getType()];
geometryRenderer(replayGroup, geometries[i], style, feature);
}
};
/**
* @param {ol.render.ReplayGroup} replayGroup Replay group.
* @param {ol.geom.LineString|ol.render.Feature} geometry Geometry.
* @param {ol.style.Style} style Style.
* @param {ol.Feature|ol.render.Feature} feature Feature.
* @private
*/
ol.renderer.vector.renderLineStringGeometry_ = function(replayGroup, geometry, style, feature) {
var strokeStyle = style.getStroke();
Eif (strokeStyle) {
var lineStringReplay = replayGroup.getReplay(
style.getZIndex(), ol.render.ReplayType.LINE_STRING);
lineStringReplay.setFillStrokeStyle(null, strokeStyle);
lineStringReplay.drawLineString(geometry, feature);
}
var textStyle = style.getText();
Iif (textStyle) {
var textReplay = replayGroup.getReplay(
style.getZIndex(), ol.render.ReplayType.TEXT);
textReplay.setTextStyle(textStyle);
textReplay.drawText(geometry.getFlatMidpoint(), 0, 2, 2, geometry, feature);
}
};
/**
* @param {ol.render.ReplayGroup} replayGroup Replay group.
* @param {ol.geom.MultiLineString|ol.render.Feature} geometry Geometry.
* @param {ol.style.Style} style Style.
* @param {ol.Feature|ol.render.Feature} feature Feature.
* @private
*/
ol.renderer.vector.renderMultiLineStringGeometry_ = function(replayGroup, geometry, style, feature) {
var strokeStyle = style.getStroke();
Eif (strokeStyle) {
var lineStringReplay = replayGroup.getReplay(
style.getZIndex(), ol.render.ReplayType.LINE_STRING);
lineStringReplay.setFillStrokeStyle(null, strokeStyle);
lineStringReplay.drawMultiLineString(geometry, feature);
}
var textStyle = style.getText();
Iif (textStyle) {
var textReplay = replayGroup.getReplay(
style.getZIndex(), ol.render.ReplayType.TEXT);
textReplay.setTextStyle(textStyle);
var flatMidpointCoordinates = geometry.getFlatMidpoints();
textReplay.drawText(flatMidpointCoordinates, 0,
flatMidpointCoordinates.length, 2, geometry, feature);
}
};
/**
* @param {ol.render.ReplayGroup} replayGroup Replay group.
* @param {ol.geom.MultiPolygon} geometry Geometry.
* @param {ol.style.Style} style Style.
* @param {ol.Feature} feature Feature.
* @private
*/
ol.renderer.vector.renderMultiPolygonGeometry_ = function(replayGroup, geometry, style, feature) {
var fillStyle = style.getFill();
var strokeStyle = style.getStroke();
Eif (strokeStyle || fillStyle) {
var polygonReplay = replayGroup.getReplay(
style.getZIndex(), ol.render.ReplayType.POLYGON);
polygonReplay.setFillStrokeStyle(fillStyle, strokeStyle);
polygonReplay.drawMultiPolygon(geometry, feature);
}
var textStyle = style.getText();
Iif (textStyle) {
var textReplay = replayGroup.getReplay(
style.getZIndex(), ol.render.ReplayType.TEXT);
textReplay.setTextStyle(textStyle);
var flatInteriorPointCoordinates = geometry.getFlatInteriorPoints();
textReplay.drawText(flatInteriorPointCoordinates, 0,
flatInteriorPointCoordinates.length, 2, geometry, feature);
}
};
/**
* @param {ol.render.ReplayGroup} replayGroup Replay group.
* @param {ol.geom.Point|ol.render.Feature} geometry Geometry.
* @param {ol.style.Style} style Style.
* @param {ol.Feature|ol.render.Feature} feature Feature.
* @private
*/
ol.renderer.vector.renderPointGeometry_ = function(replayGroup, geometry, style, feature) {
var imageStyle = style.getImage();
if (imageStyle) {
if (imageStyle.getImageState() != ol.ImageState.LOADED) {
return;
}
var imageReplay = replayGroup.getReplay(
style.getZIndex(), ol.render.ReplayType.IMAGE);
imageReplay.setImageStyle(imageStyle);
imageReplay.drawPoint(geometry, feature);
}
var textStyle = style.getText();
if (textStyle) {
var textReplay = replayGroup.getReplay(
style.getZIndex(), ol.render.ReplayType.TEXT);
textReplay.setTextStyle(textStyle);
textReplay.drawText(geometry.getFlatCoordinates(), 0, 2, 2, geometry,
feature);
}
};
/**
* @param {ol.render.ReplayGroup} replayGroup Replay group.
* @param {ol.geom.MultiPoint|ol.render.Feature} geometry Geometry.
* @param {ol.style.Style} style Style.
* @param {ol.Feature|ol.render.Feature} feature Feature.
* @private
*/
ol.renderer.vector.renderMultiPointGeometry_ = function(replayGroup, geometry, style, feature) {
var imageStyle = style.getImage();
Eif (imageStyle) {
Eif (imageStyle.getImageState() != ol.ImageState.LOADED) {
return;
}
var imageReplay = replayGroup.getReplay(
style.getZIndex(), ol.render.ReplayType.IMAGE);
imageReplay.setImageStyle(imageStyle);
imageReplay.drawMultiPoint(geometry, feature);
}
var textStyle = style.getText();
if (textStyle) {
var textReplay = replayGroup.getReplay(
style.getZIndex(), ol.render.ReplayType.TEXT);
textReplay.setTextStyle(textStyle);
var flatCoordinates = geometry.getFlatCoordinates();
textReplay.drawText(flatCoordinates, 0, flatCoordinates.length,
geometry.getStride(), geometry, feature);
}
};
/**
* @param {ol.render.ReplayGroup} replayGroup Replay group.
* @param {ol.geom.Polygon|ol.render.Feature} geometry Geometry.
* @param {ol.style.Style} style Style.
* @param {ol.Feature|ol.render.Feature} feature Feature.
* @private
*/
ol.renderer.vector.renderPolygonGeometry_ = function(replayGroup, geometry, style, feature) {
var fillStyle = style.getFill();
var strokeStyle = style.getStroke();
Eif (fillStyle || strokeStyle) {
var polygonReplay = replayGroup.getReplay(
style.getZIndex(), ol.render.ReplayType.POLYGON);
polygonReplay.setFillStrokeStyle(fillStyle, strokeStyle);
polygonReplay.drawPolygon(geometry, feature);
}
var textStyle = style.getText();
Iif (textStyle) {
var textReplay = replayGroup.getReplay(
style.getZIndex(), ol.render.ReplayType.TEXT);
textReplay.setTextStyle(textStyle);
textReplay.drawText(
geometry.getFlatInteriorPoint(), 0, 2, 2, geometry, feature);
}
};
/**
* @const
* @private
* @type {Object.<ol.geom.GeometryType,
* function(ol.render.ReplayGroup, ol.geom.Geometry,
* ol.style.Style, Object)>}
*/
ol.renderer.vector.GEOMETRY_RENDERERS_ = {
'Point': ol.renderer.vector.renderPointGeometry_,
'LineString': ol.renderer.vector.renderLineStringGeometry_,
'Polygon': ol.renderer.vector.renderPolygonGeometry_,
'MultiPoint': ol.renderer.vector.renderMultiPointGeometry_,
'MultiLineString': ol.renderer.vector.renderMultiLineStringGeometry_,
'MultiPolygon': ol.renderer.vector.renderMultiPolygonGeometry_,
'GeometryCollection': ol.renderer.vector.renderGeometryCollectionGeometry_,
'Circle': ol.renderer.vector.renderCircleGeometry_
};
|