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| goog.provide('ol.geom.flat.intersectsextent');
goog.require('goog.asserts');
goog.require('ol.extent');
goog.require('ol.geom.flat.contains');
goog.require('ol.geom.flat.segments');
/**
* @param {Array.<number>} flatCoordinates Flat coordinates.
* @param {number} offset Offset.
* @param {number} end End.
* @param {number} stride Stride.
* @param {ol.Extent} extent Extent.
* @return {boolean} True if the geometry and the extent intersect.
*/
ol.geom.flat.intersectsextent.lineString =
function(flatCoordinates, offset, end, stride, extent) {
var coordinatesExtent = ol.extent.extendFlatCoordinates(
ol.extent.createEmpty(), flatCoordinates, offset, end, stride);
if (!ol.extent.intersects(extent, coordinatesExtent)) {
return false;
}
if (ol.extent.containsExtent(extent, coordinatesExtent)) {
return true;
}
if (coordinatesExtent[0] >= extent[0] &&
coordinatesExtent[2] <= extent[2]) {
return true;
}
Iif (coordinatesExtent[1] >= extent[1] &&
coordinatesExtent[3] <= extent[3]) {
return true;
}
return ol.geom.flat.segments.forEach(flatCoordinates, offset, end, stride,
/**
* @param {ol.Coordinate} point1 Start point.
* @param {ol.Coordinate} point2 End point.
* @return {boolean} `true` if the segment and the extent intersect,
* `false` otherwise.
*/
function(point1, point2) {
return ol.extent.intersectsSegment(extent, point1, point2);
});
};
/**
* @param {Array.<number>} flatCoordinates Flat coordinates.
* @param {number} offset Offset.
* @param {Array.<number>} ends Ends.
* @param {number} stride Stride.
* @param {ol.Extent} extent Extent.
* @return {boolean} True if the geometry and the extent intersect.
*/
ol.geom.flat.intersectsextent.lineStrings =
function(flatCoordinates, offset, ends, stride, extent) {
var i, ii;
for (i = 0, ii = ends.length; i < ii; ++i) {
if (ol.geom.flat.intersectsextent.lineString(
flatCoordinates, offset, ends[i], stride, extent)) {
return true;
}
offset = ends[i];
}
return false;
};
/**
* @param {Array.<number>} flatCoordinates Flat coordinates.
* @param {number} offset Offset.
* @param {number} end End.
* @param {number} stride Stride.
* @param {ol.Extent} extent Extent.
* @return {boolean} True if the geometry and the extent intersect.
*/
ol.geom.flat.intersectsextent.linearRing =
function(flatCoordinates, offset, end, stride, extent) {
if (ol.geom.flat.intersectsextent.lineString(
flatCoordinates, offset, end, stride, extent)) {
return true;
}
if (ol.geom.flat.contains.linearRingContainsXY(
flatCoordinates, offset, end, stride, extent[0], extent[1])) {
return true;
}
Iif (ol.geom.flat.contains.linearRingContainsXY(
flatCoordinates, offset, end, stride, extent[0], extent[3])) {
return true;
}
Iif (ol.geom.flat.contains.linearRingContainsXY(
flatCoordinates, offset, end, stride, extent[2], extent[1])) {
return true;
}
Iif (ol.geom.flat.contains.linearRingContainsXY(
flatCoordinates, offset, end, stride, extent[2], extent[3])) {
return true;
}
return false;
};
/**
* @param {Array.<number>} flatCoordinates Flat coordinates.
* @param {number} offset Offset.
* @param {Array.<number>} ends Ends.
* @param {number} stride Stride.
* @param {ol.Extent} extent Extent.
* @return {boolean} True if the geometry and the extent intersect.
*/
ol.geom.flat.intersectsextent.linearRings =
function(flatCoordinates, offset, ends, stride, extent) {
goog.asserts.assert(ends.length > 0, 'ends should not be an empty array');
if (!ol.geom.flat.intersectsextent.linearRing(
flatCoordinates, offset, ends[0], stride, extent)) {
return false;
}
if (ends.length === 1) {
return true;
}
var i, ii;
for (i = 1, ii = ends.length; i < ii; ++i) {
if (ol.geom.flat.contains.linearRingContainsExtent(
flatCoordinates, ends[i - 1], ends[i], stride, extent)) {
return false;
}
}
return true;
};
/**
* @param {Array.<number>} flatCoordinates Flat coordinates.
* @param {number} offset Offset.
* @param {Array.<Array.<number>>} endss Endss.
* @param {number} stride Stride.
* @param {ol.Extent} extent Extent.
* @return {boolean} True if the geometry and the extent intersect.
*/
ol.geom.flat.intersectsextent.linearRingss =
function(flatCoordinates, offset, endss, stride, extent) {
goog.asserts.assert(endss.length > 0, 'endss should not be an empty array');
var i, ii;
for (i = 0, ii = endss.length; i < ii; ++i) {
var ends = endss[i];
if (ol.geom.flat.intersectsextent.linearRings(
flatCoordinates, offset, ends, stride, extent)) {
return true;
}
offset = ends[ends.length - 1];
}
return false;
};
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