polyline: Renamed variables to camelCase convention

This commit is contained in:
Tobias Bieniek
2013-03-10 16:28:29 +01:00
parent 76fc372a14
commit 8bf6627354

View File

@@ -4,25 +4,25 @@ goog.provide('ol.parser.polyline');
/**
* Encode a list of coordinates in a flat array and return an encoded string
*
* @param {Array.<number>} flat_points A flat array of coordinates.
* @param {Array.<number>} flatPoints A flat array of coordinates.
* @param {number=} opt_dimension The dimension of the coordinates in the array.
* @return {string} The encoded string.
*/
ol.parser.polyline.encodeFlatCoordinates =
function(flat_points, opt_dimension) {
function(flatPoints, opt_dimension) {
var dimension = opt_dimension || 2;
var last_point = new Array(dimension);
var lastPoint = new Array(dimension);
for (var i = 0; i < dimension; ++i) {
last_point[i] = 0;
lastPoint[i] = 0;
}
var encoded = '', flat_points_length = flat_points.length;
for (var i = 0; i < flat_points_length;) {
var encoded = '', flatPointsLength = flatPoints.length;
for (var i = 0; i < flatPointsLength;) {
for (var d = 0; d < dimension; ++d) {
var part = Math.round(flat_points[i++] * 1e5);
var delta = part - last_point[d];
last_point[d] = part;
var part = Math.round(flatPoints[i++] * 1e5);
var delta = part - lastPoint[d];
lastPoint[d] = part;
encoded += ol.parser.polyline.encodeSignedInteger(delta);
}
@@ -43,13 +43,13 @@ ol.parser.polyline.encodeFlatCoordinates =
ol.parser.polyline.decodeFlatCoordinates = function(encoded, opt_dimension) {
var dimension = opt_dimension || 2;
var last_point = new Array(dimension);
var lastPoint = new Array(dimension);
for (var i = 0; i < dimension; ++i) {
last_point[i] = 0;
lastPoint[i] = 0;
}
var flat_points = new Array(), encoded_length = encoded.length;
for (var i = 0; i < encoded_length;) {
var flatPoints = new Array(), encodedLength = encoded.length;
for (var i = 0; i < encodedLength;) {
for (var d = 0; d < dimension; ++d) {
var result = 0;
var shift = 0;
@@ -61,12 +61,12 @@ ol.parser.polyline.decodeFlatCoordinates = function(encoded, opt_dimension) {
shift += 5;
} while (b >= 0x20);
last_point[d] += (result & 1) ? ~(result >> 1) : (result >> 1);
flat_points.push(last_point[d] / 1e5);
lastPoint[d] += (result & 1) ? ~(result >> 1) : (result >> 1);
flatPoints.push(lastPoint[d] / 1e5);
}
}
return flat_points;
return flatPoints;
};
@@ -104,12 +104,12 @@ ol.parser.polyline.decodeFloat = function(encoded, opt_factor) {
* @return {string} The encoded string.
*/
ol.parser.polyline.encodeSignedInteger = function(num) {
var sgn_num = num << 1;
var signedNum = num << 1;
if (num < 0) {
sgn_num = ~(sgn_num);
signedNum = ~(signedNum);
}
return ol.parser.polyline.encodeUnsignedInteger(sgn_num);
return ol.parser.polyline.encodeUnsignedInteger(signedNum);
};
@@ -132,15 +132,15 @@ ol.parser.polyline.decodeSignedInteger = function(encoded) {
* @return {string} The encoded string.
*/
ol.parser.polyline.encodeUnsignedInteger = function(num) {
var value, encodeString = '';
var value, encoded = '';
while (num >= 0x20) {
value = (0x20 | (num & 0x1f)) + 63;
encodeString += (String.fromCharCode(value));
encoded += (String.fromCharCode(value));
num >>= 5;
}
value = num + 63;
encodeString += (String.fromCharCode(value));
return encodeString;
encoded += (String.fromCharCode(value));
return encoded;
};