ADHOC/replicant-frameworks_native
3
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

Check orientation range has been initialized first

Browse Source 
To avoid nan or infinity when orientation value is used for
calculation without being initialized, check mOrientedRanges.haveOrientation
value before using mOrientedRanges.orientation.min or .max value.

Change-Id: I68ed9ab36819c5faa6422e9f061e1275aeed11e3
Signed-off-by: Baik Han <baik.han@lge.com>
This commit is contained in:
baik.han 2015-04-14 19:49:28 +09:00
parent dfc30ae393
commit 18a81488f9
1 changed files with 3 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
services/inputflinger/InputReader.cpp
View File

@ -4315,7 +4315,7 @@ void TouchInputMapper::cookPointerData() {
bottom = float(mRawPointerAxes.x.maxValue - rawLeft) * mXScale + mXTranslate;
top = float(mRawPointerAxes.x.maxValue - rawRight) * mXScale + mXTranslate;
orientation -= M_PI_2;
if (orientation < mOrientedRanges.orientation.min) {
if (mOrientedRanges.haveOrientation && orientation < mOrientedRanges.orientation.min) {
orientation += (mOrientedRanges.orientation.max - mOrientedRanges.orientation.min);
}
break;
@ -4327,7 +4327,7 @@ void TouchInputMapper::cookPointerData() {
bottom = float(mRawPointerAxes.y.maxValue - rawTop) * mYScale + mYTranslate;
top = float(mRawPointerAxes.y.maxValue - rawBottom) * mYScale + mYTranslate;
orientation -= M_PI;
if (orientation < mOrientedRanges.orientation.min) {
if (mOrientedRanges.haveOrientation && orientation < mOrientedRanges.orientation.min) {
orientation += (mOrientedRanges.orientation.max - mOrientedRanges.orientation.min);
}
break;
@ -4339,7 +4339,7 @@ void TouchInputMapper::cookPointerData() {
bottom = float(rawRight - mRawPointerAxes.x.minValue) * mXScale + mXTranslate;
top = float(rawLeft - mRawPointerAxes.x.minValue) * mXScale + mXTranslate;
orientation += M_PI_2;
if (orientation > mOrientedRanges.orientation.max) {
if (mOrientedRanges.haveOrientation && orientation > mOrientedRanges.orientation.max) {
orientation -= (mOrientedRanges.orientation.max - mOrientedRanges.orientation.min);
}
break;