| getRelativeXY | Return the coordinates of the top-left corner of this element relative to its parent. Only for SVG elements and children (e.g. rect, g, path). |
| getInjectionDivXY | Return the coordinates of the top-left corner of this element relative to the div Blockly was injected into. |
| getDocumentScroll | Gets the document scroll distance as a coordinate object. Copied from Closure's goog.dom.getDocumentScroll. |
| screenToWsCoordinates | Converts screen coordinates to workspace coordinates. |
| wsToScreenCoordinates | Converts workspace coordinates to screen coordinates. |