1 files changed, 30 insertions, 0 deletions
diff --git a/src/poly.js b/src/poly.js
new file mode 100644
index 0000000..e8edbed
--- /dev/null
+++ b/src/poly.js
@@ -0,0 +1,30 @@
+// Add polygon-specific functions
+
+// Get array
+export function array () {
+  return this._array || (this._array = new PointArray(this.attr('points')))
+}
+
+// Plot new path
+export function plot (p) {
+  return (p == null) ? this.array()
+    : this.clear().attr('points', typeof p === 'string' ? p
+    : (this._array = new PointArray(p)))
+}
+
+// Clear array cache
+export function clear () {
+  delete this._array
+  return this
+}
+
+// Move by left top corner
+export function move (x, y) {
+  return this.attr('points', this.array().move(x, y))
+}
+
+// Set element size to given width and height
+export function size (width, height) {
+  let p = proportionalSize(this, width, height)
+  return this.attr('points', this.array().size(p.width, p.height))
+}