Core skia changes to prepare for Gr AA Hairline renderer
Review URL: http://codereview.appspot.com/4940045/
git-svn-id: http://skia.googlecode.com/svn/trunk@2160 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/src/views/SkTouchGesture.cpp b/src/views/SkTouchGesture.cpp
index bcfaf89..31adc74 100644
--- a/src/views/SkTouchGesture.cpp
+++ b/src/views/SkTouchGesture.cpp
@@ -28,8 +28,8 @@
}
// returns +1 or -1, depending on the sign of x
-// returns +1 if x is zero
-static SkScalar SkScalarSign(SkScalar x) {
+// returns +1 if z is zero
+static SkScalar SkScalarSignNonZero(SkScalar x) {
SkScalar sign = SK_Scalar1;
if (x < 0) {
sign = -sign;
@@ -41,9 +41,9 @@
const SkScalar TOLERANCE = SkDoubleToScalar(0.15);
if (SkScalarAbs(unit->fX) < TOLERANCE) {
unit->fX = 0;
- unit->fY = SkScalarSign(unit->fY);
+ unit->fY = SkScalarSignNonZero(unit->fY);
} else if (SkScalarAbs(unit->fY) < TOLERANCE) {
- unit->fX = SkScalarSign(unit->fX);
+ unit->fX = SkScalarSignNonZero(unit->fX);
unit->fY = 0;
}
}