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Commit b5fd7ae4 authored by Jeff Brown's avatar Jeff Brown Committed by Android (Google) Code Review
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Merge "Scale major axis when finger is oriented."

parents 8c5d38f8 c3451d4a

services/input/InputReader.cpp

+5 −3
Original line number Diff line number Diff line
@@ -2641,9 +2641,11 @@ void TouchInputMapper::dispatchTouch(nsecs_t when, uint32_t policyFlags, 
                int32_t c2 = signExtendNybble(in.orientation & 0x0f);

                if (c1 != 0 || c2 != 0) {

                    orientation = atan2f(c1, c2) * 0.5f;

                    float minorAxisScale = (16.0f - pythag(c1, c2)) / 16.0f;

                    toolMinor *= minorAxisScale;

                    touchMinor *= minorAxisScale;

                    float scale = 1.0f + pythag(c1, c2) / 16.0f;

                    touchMajor *= scale;

                    touchMinor /= scale;

                    toolMajor *= scale;

                    toolMinor /= scale;

                } else {

                    orientation = 0;

                }