Sha256: 8358763ac078d9719bfc2d9248985a3b8206de4b1abe5fe4ad8c4b8228a3d29e
Contents?: true
Size: 1.31 KB
Versions: 5
Compression:
Stored size: 1.31 KB
Contents
function d3_geo_pathBuffer() {
var pointCircle = d3_geo_pathBufferCircle(4.5),
buffer = [];
var stream = {
point: point,
// While inside a line, override point to moveTo then lineTo.
lineStart: function() { stream.point = pointLineStart; },
lineEnd: lineEnd,
// While inside a polygon, override lineEnd to closePath.
polygonStart: function() { stream.lineEnd = lineEndPolygon; },
polygonEnd: function() { stream.lineEnd = lineEnd; stream.point = point; },
pointRadius: function(_) {
pointCircle = d3_geo_pathBufferCircle(_);
return stream;
},
result: function() {
if (buffer.length) {
var result = buffer.join("");
buffer = [];
return result;
}
}
};
function point(x, y) {
buffer.push("M", x, ",", y, pointCircle);
}
function pointLineStart(x, y) {
buffer.push("M", x, ",", y);
stream.point = pointLine;
}
function pointLine(x, y) {
buffer.push("L", x, ",", y);
}
function lineEnd() {
stream.point = point;
}
function lineEndPolygon() {
buffer.push("Z");
}
return stream;
}
function d3_geo_pathBufferCircle(radius) {
return "m0," + radius
+ "a" + radius + "," + radius + " 0 1,1 0," + -2 * radius
+ "a" + radius + "," + radius + " 0 1,1 0," + 2 * radius
+ "z";
}
Version data entries
5 entries across 5 versions & 3 rubygems