diff options
Diffstat (limited to 'src/viewbox.js')
| -rw-r--r-- | src/viewbox.js | 35 |
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 + } + +}
\ No newline at end of file |