Merge "Fix coordinate error after rotation and scaling in TouchInputMapper"
diff --git a/services/inputflinger/reader/mapper/TouchInputMapper.cpp b/services/inputflinger/reader/mapper/TouchInputMapper.cpp
index ce12c27..18168d8 100644
--- a/services/inputflinger/reader/mapper/TouchInputMapper.cpp
+++ b/services/inputflinger/reader/mapper/TouchInputMapper.cpp
@@ -3644,6 +3644,9 @@
const float xScaled = float(x - mRawPointerAxes.x.minValue) * mXScale;
const float yScaled = float(y - mRawPointerAxes.y.minValue) * mYScale;
+ const float xScaledMax = float(mRawPointerAxes.x.maxValue - x) * mXScale;
+ const float yScaledMax = float(mRawPointerAxes.y.maxValue - y) * mYScale;
+
// Rotate to surface coordinate.
// 0 - no swap and reverse.
// 90 - swap x/y and reverse y.
@@ -3655,16 +3658,16 @@
y = yScaled + mYTranslate;
break;
case DISPLAY_ORIENTATION_90:
- y = mSurfaceRight - xScaled;
+ y = xScaledMax - (mRawSurfaceWidth - mSurfaceRight);
x = yScaled + mYTranslate;
break;
case DISPLAY_ORIENTATION_180:
- x = mSurfaceRight - xScaled;
- y = mSurfaceBottom - yScaled;
+ x = xScaledMax - (mRawSurfaceWidth - mSurfaceRight);
+ y = yScaledMax - (mRawSurfaceHeight - mSurfaceBottom);
break;
case DISPLAY_ORIENTATION_270:
y = xScaled + mXTranslate;
- x = mSurfaceBottom - yScaled;
+ x = yScaledMax - (mRawSurfaceHeight - mSurfaceBottom);
break;
default:
assert(false);
diff --git a/services/inputflinger/tests/InputReader_test.cpp b/services/inputflinger/tests/InputReader_test.cpp
index 6a06c9e..91d5864 100644
--- a/services/inputflinger/tests/InputReader_test.cpp
+++ b/services/inputflinger/tests/InputReader_test.cpp
@@ -8045,6 +8045,34 @@
processPositionAndVerify(mapper, x - 1, y, x + 1, y, xExpected, yExpected);
}
+TEST_F(MultiTouchInputMapperTest_SurfaceRange, Viewports_SurfaceRange_Corner) {
+ addConfigurationProperty("touch.deviceType", "touchScreen");
+ prepareDisplay(DISPLAY_ORIENTATION_0);
+ prepareAxes(POSITION);
+ MultiTouchInputMapper& mapper = addMapperAndConfigure<MultiTouchInputMapper>();
+
+ const int32_t x = 0;
+ const int32_t y = 0;
+
+ const int32_t xExpected = x;
+ const int32_t yExpected = y;
+ processPositionAndVerify(mapper, x - 1, y, x, y, xExpected, yExpected);
+
+ clearViewports();
+ prepareDisplay(DISPLAY_ORIENTATION_90);
+ // expect x/y = swap x/y then reverse y.
+ const int32_t xExpected90 = y;
+ const int32_t yExpected90 = DISPLAY_WIDTH - 1;
+ processPositionAndVerify(mapper, x - 1, y, x, y, xExpected90, yExpected90);
+
+ clearViewports();
+ prepareDisplay(DISPLAY_ORIENTATION_270);
+ // expect x/y = swap x/y then reverse x.
+ const int32_t xExpected270 = DISPLAY_HEIGHT - 1;
+ const int32_t yExpected270 = x;
+ processPositionAndVerify(mapper, x - 1, y, x, y, xExpected270, yExpected270);
+}
+
TEST_F(MultiTouchInputMapperTest, Process_TouchpadCapture) {
// we need a pointer controller for mouse mode of touchpad (start pointer at 0,0)
std::shared_ptr<FakePointerController> fakePointerController =