wine/gecko
0
0
Fork 0
mirror of https://gitlab.winehq.org/wine/wine-gecko.git synced 2024-09-13 09:24:08 -07:00
Code Issues Packages Projects Releases Wiki Activity

Bug 712386 - Limit how much zoom can be applied. r=Cwiiis

Browse Source
This commit is contained in:
Kartikaya Gupta 2011-12-27 00:56:57 -05:00
parent 19621b98f1
commit 20d96ebe14
1 changed files with 8 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
mobile/android/base/ui/PanZoomController.java
View File

@ -937,6 +937,14 @@ public class PanZoomController
synchronized (mController) { synchronized (mController) {
float newZoomFactor = mController.getZoomFactor() * spanRatio; float newZoomFactor = mController.getZoomFactor() * spanRatio;
if (newZoomFactor >= MAX_ZOOM) {
// apply resistance when zooming past MAX_ZOOM,
// such that it asymptotically reaches MAX_ZOOM + 1.0
// but never exceeds that
float excessZoom = newZoomFactor - MAX_ZOOM;
excessZoom = 1.0f - (float)Math.exp(-excessZoom);
newZoomFactor = MAX_ZOOM + excessZoom;
}
mController.scrollBy(new PointF(mLastZoomFocus.x - detector.getFocusX(), mController.scrollBy(new PointF(mLastZoomFocus.x - detector.getFocusX(),
mLastZoomFocus.y - detector.getFocusY())); mLastZoomFocus.y - detector.getFocusY()));