1 files changed, 64 insertions, 0 deletions
diff --git a/src/modules/core/circled.js b/src/modules/core/circled.js
new file mode 100644
index 0000000..9a3b1ad
--- /dev/null
+++ b/src/modules/core/circled.js
@@ -0,0 +1,64 @@
+// FIXME: import this to runner
+import { proportionalSize } from '../../utils/utils.js'
+import SVGNumber from '../../types/SVGNumber.js'
+
+// Radius x value
+export function rx (rx) {
+  return this.attr('rx', rx)
+}
+
+// Radius y value
+export function ry (ry) {
+  return this.attr('ry', ry)
+}
+
+// Move over x-axis
+export function x (x) {
+  return x == null
+    ? this.cx() - this.rx()
+    : this.cx(x + this.rx())
+}
+
+// Move over y-axis
+export function y (y) {
+  return y == null
+    ? this.cy() - this.ry()
+    : this.cy(y + this.ry())
+}
+
+// Move by center over x-axis
+export function cx (x) {
+  return x == null
+    ? this.attr('cx')
+    : this.attr('cx', x)
+}
+
+// Move by center over y-axis
+export function cy (y) {
+  return y == null
+    ? this.attr('cy')
+    : this.attr('cy', y)
+}
+
+// Set width of element
+export function width (width) {
+  return width == null
+    ? this.rx() * 2
+    : this.rx(new SVGNumber(width).divide(2))
+}
+
+// Set height of element
+export function height (height) {
+  return height == null
+    ? this.ry() * 2
+    : this.ry(new SVGNumber(height).divide(2))
+}
+
+// Custom size function
+export function size (width, height) {
+  var p = proportionalSize(this, width, height)
+
+  return this
+    .rx(new SVGNumber(p.width).divide(2))
+    .ry(new SVGNumber(p.height).divide(2))
+}