C++ MotionEvent::getOrientation方法代码示例

TEST_F(MotionEventTest, Transform) {
    // Generate some points on a circle.
    // Each point 'i' is a point on a circle of radius ROTATION centered at (3,2) at an angle
    // of ARC * i degrees clockwise relative to the Y axis.
    // The geometrical representation is irrelevant to the test, it's just easy to generate
    // and check rotation.  We set the orientation to the same angle.
    // Coordinate system: down is increasing Y, right is increasing X.
    const float PI_180 = float(M_PI / 180);
    const float RADIUS = 10;
    const float ARC = 36;
    const float ROTATION = ARC * 2;

    const size_t pointerCount = 11;
    PointerProperties pointerProperties[pointerCount];
    PointerCoords pointerCoords[pointerCount];
    for (size_t i = 0; i < pointerCount; i++) {
        float angle = float(i * ARC * PI_180);
        pointerProperties[i].clear();
        pointerProperties[i].id = i;
        pointerCoords[i].clear();
        pointerCoords[i].setAxisValue(AMOTION_EVENT_AXIS_X, sinf(angle) * RADIUS + 3);
        pointerCoords[i].setAxisValue(AMOTION_EVENT_AXIS_Y, -cosf(angle) * RADIUS + 2);
        pointerCoords[i].setAxisValue(AMOTION_EVENT_AXIS_ORIENTATION, angle);
    }
    MotionEvent event;
    event.initialize(0, 0, AMOTION_EVENT_ACTION_MOVE, 0, 0, 0, 0, 0,
            0, 0, 0, 0, 0, 0, pointerCount, pointerProperties, pointerCoords);
    float originalRawX = 0 + 3;
    float originalRawY = -RADIUS + 2;

    // Check original raw X and Y assumption.
    ASSERT_NEAR(originalRawX, event.getRawX(0), 0.001);
    ASSERT_NEAR(originalRawY, event.getRawY(0), 0.001);

    // Now translate the motion event so the circle's origin is at (0,0).
    event.offsetLocation(-3, -2);

    // Offsetting the location should preserve the raw X and Y of the first point.
    ASSERT_NEAR(originalRawX, event.getRawX(0), 0.001);
    ASSERT_NEAR(originalRawY, event.getRawY(0), 0.001);

    // Apply a rotation about the origin by ROTATION degrees clockwise.
    float matrix[9];
    setRotationMatrix(matrix, ROTATION * PI_180);
    event.transform(matrix);

    // Check the points.
    for (size_t i = 0; i < pointerCount; i++) {
        float angle = float((i * ARC + ROTATION) * PI_180);
        ASSERT_NEAR(sinf(angle) * RADIUS, event.getX(i), 0.001);
        ASSERT_NEAR(-cosf(angle) * RADIUS, event.getY(i), 0.001);
        ASSERT_NEAR(tanf(angle), tanf(event.getOrientation(i)), 0.1);
    }

    // Applying the transformation should preserve the raw X and Y of the first point.
    ASSERT_NEAR(originalRawX, event.getRawX(0), 0.001);
    ASSERT_NEAR(originalRawY, event.getRawY(0), 0.001);
}

TEST_F(MotionEventTest, Scale) {
    MotionEvent event;
    initializeEventWithHistory(&event);

    event.scale(2.0f);

    ASSERT_EQ(X_OFFSET * 2, event.getXOffset());
    ASSERT_EQ(Y_OFFSET * 2, event.getYOffset());

    ASSERT_EQ(210 * 2, event.getRawX(0));
    ASSERT_EQ(211 * 2, event.getRawY(0));
    ASSERT_EQ((X_OFFSET + 210) * 2, event.getX(0));
    ASSERT_EQ((Y_OFFSET + 211) * 2, event.getY(0));
    ASSERT_EQ(212, event.getPressure(0));
    ASSERT_EQ(213, event.getSize(0));
    ASSERT_EQ(214 * 2, event.getTouchMajor(0));
    ASSERT_EQ(215 * 2, event.getTouchMinor(0));
    ASSERT_EQ(216 * 2, event.getToolMajor(0));
    ASSERT_EQ(217 * 2, event.getToolMinor(0));
    ASSERT_EQ(218, event.getOrientation(0));
}

//.........这里部分代码省略.........
                << "publisher appendMotionEvent should return OK";
    }

    status = mConsumer->receiveDispatchSignal();
    ASSERT_EQ(OK, status)
            << "consumer receiveDispatchSignal should return OK";

    InputEvent* event;
    status = mConsumer->consume(& mEventFactory, & event);
    ASSERT_EQ(OK, status)
            << "consumer consume should return OK";

    ASSERT_TRUE(event != NULL)
            << "consumer should have returned non-NULL event";
    ASSERT_EQ(AINPUT_EVENT_TYPE_MOTION, event->getType())
            << "consumer should have returned a motion event";

    size_t lastSampleIndex = samplesToAppendBeforeDispatch + samplesToAppendAfterDispatch;

    MotionEvent* motionEvent = static_cast<MotionEvent*>(event);
    EXPECT_EQ(deviceId, motionEvent->getDeviceId());
    EXPECT_EQ(source, motionEvent->getSource());
    EXPECT_EQ(action, motionEvent->getAction());
    EXPECT_EQ(flags, motionEvent->getFlags());
    EXPECT_EQ(edgeFlags, motionEvent->getEdgeFlags());
    EXPECT_EQ(metaState, motionEvent->getMetaState());
    EXPECT_EQ(xPrecision, motionEvent->getXPrecision());
    EXPECT_EQ(yPrecision, motionEvent->getYPrecision());
    EXPECT_EQ(downTime, motionEvent->getDownTime());
    EXPECT_EQ(sampleEventTimes[lastSampleIndex], motionEvent->getEventTime());
    EXPECT_EQ(pointerCount, motionEvent->getPointerCount());
    EXPECT_EQ(lastSampleIndex, motionEvent->getHistorySize());

    for (size_t i = 0; i < pointerCount; i++) {
        SCOPED_TRACE(i);
        EXPECT_EQ(pointerIds[i], motionEvent->getPointerId(i));
    }

    for (size_t sampleIndex = 0; sampleIndex < lastSampleIndex; sampleIndex++) {
        SCOPED_TRACE(sampleIndex);
        EXPECT_EQ(sampleEventTimes[sampleIndex],
                motionEvent->getHistoricalEventTime(sampleIndex));
        for (size_t i = 0; i < pointerCount; i++) {
            SCOPED_TRACE(i);
            size_t offset = sampleIndex * pointerCount + i;
            EXPECT_EQ(samplePointerCoords[offset].x,
                    motionEvent->getHistoricalRawX(i, sampleIndex));
            EXPECT_EQ(samplePointerCoords[offset].y,
                    motionEvent->getHistoricalRawY(i, sampleIndex));
            EXPECT_EQ(samplePointerCoords[offset].x + xOffset,
                    motionEvent->getHistoricalX(i, sampleIndex));
            EXPECT_EQ(samplePointerCoords[offset].y + yOffset,
                    motionEvent->getHistoricalY(i, sampleIndex));
            EXPECT_EQ(samplePointerCoords[offset].pressure,
                    motionEvent->getHistoricalPressure(i, sampleIndex));
            EXPECT_EQ(samplePointerCoords[offset].size,
                    motionEvent->getHistoricalSize(i, sampleIndex));
            EXPECT_EQ(samplePointerCoords[offset].touchMajor,
                    motionEvent->getHistoricalTouchMajor(i, sampleIndex));
            EXPECT_EQ(samplePointerCoords[offset].touchMinor,
                    motionEvent->getHistoricalTouchMinor(i, sampleIndex));
            EXPECT_EQ(samplePointerCoords[offset].toolMajor,
                    motionEvent->getHistoricalToolMajor(i, sampleIndex));
            EXPECT_EQ(samplePointerCoords[offset].toolMinor,
                    motionEvent->getHistoricalToolMinor(i, sampleIndex));
            EXPECT_EQ(samplePointerCoords[offset].orientation,
                    motionEvent->getHistoricalOrientation(i, sampleIndex));
        }
    }

    SCOPED_TRACE(lastSampleIndex);
    EXPECT_EQ(sampleEventTimes[lastSampleIndex], motionEvent->getEventTime());
    for (size_t i = 0; i < pointerCount; i++) {
        SCOPED_TRACE(i);
        size_t offset = lastSampleIndex * pointerCount + i;
        EXPECT_EQ(samplePointerCoords[offset].x, motionEvent->getRawX(i));
        EXPECT_EQ(samplePointerCoords[offset].y, motionEvent->getRawY(i));
        EXPECT_EQ(samplePointerCoords[offset].x + xOffset, motionEvent->getX(i));
        EXPECT_EQ(samplePointerCoords[offset].y + yOffset, motionEvent->getY(i));
        EXPECT_EQ(samplePointerCoords[offset].pressure, motionEvent->getPressure(i));
        EXPECT_EQ(samplePointerCoords[offset].size, motionEvent->getSize(i));
        EXPECT_EQ(samplePointerCoords[offset].touchMajor, motionEvent->getTouchMajor(i));
        EXPECT_EQ(samplePointerCoords[offset].touchMinor, motionEvent->getTouchMinor(i));
        EXPECT_EQ(samplePointerCoords[offset].toolMajor, motionEvent->getToolMajor(i));
        EXPECT_EQ(samplePointerCoords[offset].toolMinor, motionEvent->getToolMinor(i));
        EXPECT_EQ(samplePointerCoords[offset].orientation, motionEvent->getOrientation(i));
    }

    status = mConsumer->sendFinishedSignal();
    ASSERT_EQ(OK, status)
            << "consumer sendFinishedSignal should return OK";

    status = mPublisher->receiveFinishedSignal();
    ASSERT_EQ(OK, status)
            << "publisher receiveFinishedSignal should return OK";

    status = mPublisher->reset();
    ASSERT_EQ(OK, status)
            << "publisher reset should return OK";
}

void InputPublisherAndConsumerTest::PublishAndConsumeMotionEvent() {
    status_t status;

    const uint32_t seq = 15;
    const int32_t deviceId = 1;
    const int32_t source = AINPUT_SOURCE_TOUCHSCREEN;
    const int32_t action = AMOTION_EVENT_ACTION_MOVE;
    const int32_t actionButton = 0;
    const int32_t flags = AMOTION_EVENT_FLAG_WINDOW_IS_OBSCURED;
    const int32_t edgeFlags = AMOTION_EVENT_EDGE_FLAG_TOP;
    const int32_t metaState = AMETA_ALT_LEFT_ON | AMETA_ALT_ON;
    const int32_t buttonState = AMOTION_EVENT_BUTTON_PRIMARY;
    const float xOffset = -10;
    const float yOffset = -20;
    const float xPrecision = 0.25;
    const float yPrecision = 0.5;
    const nsecs_t downTime = 3;
    const size_t pointerCount = 3;
    const nsecs_t eventTime = 4;
    PointerProperties pointerProperties[pointerCount];
    PointerCoords pointerCoords[pointerCount];
    for (size_t i = 0; i < pointerCount; i++) {
        pointerProperties[i].clear();
        pointerProperties[i].id = (i + 2) % pointerCount;
        pointerProperties[i].toolType = AMOTION_EVENT_TOOL_TYPE_FINGER;

        pointerCoords[i].clear();
        pointerCoords[i].setAxisValue(AMOTION_EVENT_AXIS_X, 100 * i);
        pointerCoords[i].setAxisValue(AMOTION_EVENT_AXIS_Y, 200 * i);
        pointerCoords[i].setAxisValue(AMOTION_EVENT_AXIS_PRESSURE, 0.5 * i);
        pointerCoords[i].setAxisValue(AMOTION_EVENT_AXIS_SIZE, 0.7 * i);
        pointerCoords[i].setAxisValue(AMOTION_EVENT_AXIS_TOUCH_MAJOR, 1.5 * i);
        pointerCoords[i].setAxisValue(AMOTION_EVENT_AXIS_TOUCH_MINOR, 1.7 * i);
        pointerCoords[i].setAxisValue(AMOTION_EVENT_AXIS_TOOL_MAJOR, 2.5 * i);
        pointerCoords[i].setAxisValue(AMOTION_EVENT_AXIS_TOOL_MAJOR, 2.7 * i);
        pointerCoords[i].setAxisValue(AMOTION_EVENT_AXIS_ORIENTATION, 3.5 * i);
    }

    status = mPublisher->publishMotionEvent(seq, deviceId, source, action, actionButton,
                                            flags, edgeFlags, metaState, buttonState, xOffset, yOffset, xPrecision, yPrecision,
                                            downTime, eventTime, pointerCount,
                                            pointerProperties, pointerCoords);
    ASSERT_EQ(OK, status)
            << "publisher publishMotionEvent should return OK";

    uint32_t consumeSeq;
    InputEvent* event;
    status = mConsumer->consume(&mEventFactory, true /*consumeBatches*/, -1, &consumeSeq, &event);
    ASSERT_EQ(OK, status)
            << "consumer consume should return OK";

    ASSERT_TRUE(event != NULL)
            << "consumer should have returned non-NULL event";
    ASSERT_EQ(AINPUT_EVENT_TYPE_MOTION, event->getType())
            << "consumer should have returned a motion event";

    MotionEvent* motionEvent = static_cast<MotionEvent*>(event);
    EXPECT_EQ(seq, consumeSeq);
    EXPECT_EQ(deviceId, motionEvent->getDeviceId());
    EXPECT_EQ(source, motionEvent->getSource());
    EXPECT_EQ(action, motionEvent->getAction());
    EXPECT_EQ(flags, motionEvent->getFlags());
    EXPECT_EQ(edgeFlags, motionEvent->getEdgeFlags());
    EXPECT_EQ(metaState, motionEvent->getMetaState());
    EXPECT_EQ(buttonState, motionEvent->getButtonState());
    EXPECT_EQ(xPrecision, motionEvent->getXPrecision());
    EXPECT_EQ(yPrecision, motionEvent->getYPrecision());
    EXPECT_EQ(downTime, motionEvent->getDownTime());
    EXPECT_EQ(eventTime, motionEvent->getEventTime());
    EXPECT_EQ(pointerCount, motionEvent->getPointerCount());
    EXPECT_EQ(0U, motionEvent->getHistorySize());

    for (size_t i = 0; i < pointerCount; i++) {
        SCOPED_TRACE(i);
        EXPECT_EQ(pointerProperties[i].id, motionEvent->getPointerId(i));
        EXPECT_EQ(pointerProperties[i].toolType, motionEvent->getToolType(i));

        EXPECT_EQ(pointerCoords[i].getAxisValue(AMOTION_EVENT_AXIS_X),
                  motionEvent->getRawX(i));
        EXPECT_EQ(pointerCoords[i].getAxisValue(AMOTION_EVENT_AXIS_Y),
                  motionEvent->getRawY(i));
        EXPECT_EQ(pointerCoords[i].getAxisValue(AMOTION_EVENT_AXIS_X) + xOffset,
                  motionEvent->getX(i));
        EXPECT_EQ(pointerCoords[i].getAxisValue(AMOTION_EVENT_AXIS_Y) + yOffset,
                  motionEvent->getY(i));
        EXPECT_EQ(pointerCoords[i].getAxisValue(AMOTION_EVENT_AXIS_PRESSURE),
                  motionEvent->getPressure(i));
        EXPECT_EQ(pointerCoords[i].getAxisValue(AMOTION_EVENT_AXIS_SIZE),
                  motionEvent->getSize(i));
        EXPECT_EQ(pointerCoords[i].getAxisValue(AMOTION_EVENT_AXIS_TOUCH_MAJOR),
                  motionEvent->getTouchMajor(i));
        EXPECT_EQ(pointerCoords[i].getAxisValue(AMOTION_EVENT_AXIS_TOUCH_MINOR),
                  motionEvent->getTouchMinor(i));
        EXPECT_EQ(pointerCoords[i].getAxisValue(AMOTION_EVENT_AXIS_TOOL_MAJOR),
                  motionEvent->getToolMajor(i));
        EXPECT_EQ(pointerCoords[i].getAxisValue(AMOTION_EVENT_AXIS_TOOL_MINOR),
                  motionEvent->getToolMinor(i));
        EXPECT_EQ(pointerCoords[i].getAxisValue(AMOTION_EVENT_AXIS_ORIENTATION),
                  motionEvent->getOrientation(i));
    }
//.........这里部分代码省略.........