diff options
Diffstat (limited to 'src/svgpan.js')
| -rw-r--r-- | src/svgpan.js | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/src/svgpan.js b/src/svgpan.js index 7c0c916..663be79 100644 --- a/src/svgpan.js +++ b/src/svgpan.js @@ -66,7 +66,7 @@ function show() windowWidth = 800; windowHeight = 600; } - minZoom = Math.min(windowHeight/viewHeight,windowWidth/viewWidth); + minZoom = Math.min(Math.min(viewHeight,windowHeight)/viewHeight,Math.min(viewWidth,windowWidth)/viewWidth); maxZoom = minZoom+1.5; zoomInFactor = Math.pow(maxZoom/minZoom,1.0/zoomSteps); zoomOutFactor = 1.0/zoomInFactor; @@ -168,6 +168,7 @@ function doZoom(g,point,zoomFactor) function handleMouseWheel(evt) { if (!evt) evt = window.evt; + if (!evt.shiftKey) return; // only zoom when shift is pressed if (evt.preventDefault) evt.preventDefault(); evt.returnValue = false; |