Created separate classes for SVG.ViewBox anSVG.BBox0.6

1 files changed, 35 insertions, 0 deletions

diff --git a/src/viewbox.js b/src/viewbox.js
new file mode 100644
index 0000000..b6ccfab
--- /dev/null
+++ b/src/viewbox.js
@@ -0,0 +1,35 @@
+
+SVG.ViewBox = function(element) {
+  var width, height
+    , box  = element.bbox()
+    , view = (element.attr('viewBox') || '').match(/[\d\.]+/g)
+  
+  /* clone attributes */
+  this.x      = box.x
+  this.y      = box.y
+  this.width  = box.width
+  this.height = box.height
+  
+  if (view) {
+    /* get width and height from viewbox */
+    width  = parseFloat(view[2])
+    height = parseFloat(view[3])
+
+    /* calculate real pixel dimensions on parent SVG.Doc element */
+    if (element instanceof SVG.Doc) {
+      this.x      = 0
+      this.y      = 0
+      this.width  = element.node.offsetWidth
+      this.height = element.node.offsetHeight
+    }
+    
+    /* calculate zoom accoring to viewbox */
+    this.scale = (this.width / this.height > width / height) ?
+      this.height / height :
+      this.width  / width
+    
+  } else {
+    this.scale = 1
+  }
+  
+}
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