Fix move and size of groups, removed setting of a default font so we dont act against user intention, fixed bug in `font()`

3 files changed, 22 insertions, 7 deletions

diff --git a/src/types/Box.js b/src/types/Box.js
index eb43d07..8cbda30 100644
--- a/src/types/Box.js
+++ b/src/types/Box.js
@@ -59,6 +59,10 @@ export default class Box {
   }
 
   transform (m) {
+    if (!(m instanceof Matrix)) {
+      m = new Matrix(m)
+    }
+
     let xMin = Infinity
     let xMax = -Infinity
     let yMin = Infinity
@@ -130,7 +134,7 @@ export function bbox () {
       clone.remove()
       return box
     } catch (e) {
-      throw new Error('Getting bbox of element "' + el.node.nodeName + '" is not possible')
+      throw new Error('Getting bbox of element "' + el.node.nodeName + '" is not possible. ' + e.toString())
     }
   }))
 }
diff --git a/src/types/Point.js b/src/types/Point.js
index f1c85a1..329b37d 100644
--- a/src/types/Point.js
+++ b/src/types/Point.js
@@ -1,3 +1,5 @@
+import Matrix from './Matrix.js'
+
 export default class Point {
   // Initialize
   constructor (...args) {
@@ -25,14 +27,23 @@ export default class Point {
     return new Point(this)
   }
 
-  // transform point with matrix
   transform (m) {
+    return this.clone().transformO(m)
+  }
+
+  // Transform point with matrix
+  transformO (m) {
+    if (!Matrix.isMatrixLike(m)) {
+      m = new Matrix(m)
+    }
+
+    let { x, y } = this
+
     // Perform the matrix multiplication
-    var x = m.a * this.x + m.c * this.y + m.e
-    var y = m.b * this.x + m.d * this.y + m.f
+    this.x = m.a * x + m.c * y + m.e
+    this.y = m.b * x + m.d * y + m.f
 
-    // Return the required point
-    return new Point(x, y)
+    return this
   }
 
   toArray () {
diff --git a/src/types/PointArray.js b/src/types/PointArray.js
index 2246bbd..6a869d7 100644
--- a/src/types/PointArray.js
+++ b/src/types/PointArray.js
@@ -63,7 +63,7 @@ extend(PointArray, {
     // Odd number of coordinates is an error. In such cases, drop the last odd coordinate.
     if (array.length % 2 !== 0) array.pop()
 
-    // wrap points in two-tuples and parse points as floats
+    // wrap points in two-tuples
     for (var i = 0, len = array.length; i < len; i = i + 2) {
       points.push([ array[i], array[i + 1] ])
     }