diff options
Diffstat (limited to 'core/java/com')
| -rw-r--r-- | core/java/com/android/internal/widget/PointerLocationView.java | 23 |
1 files changed, 18 insertions, 5 deletions
diff --git a/core/java/com/android/internal/widget/PointerLocationView.java b/core/java/com/android/internal/widget/PointerLocationView.java index 52c2cdd..d82831f 100644 --- a/core/java/com/android/internal/widget/PointerLocationView.java +++ b/core/java/com/android/internal/widget/PointerLocationView.java @@ -46,6 +46,7 @@ public class PointerLocationView extends View implements InputDeviceListener { // Trace of previous points. private float[] mTraceX = new float[32]; private float[] mTraceY = new float[32]; + private boolean[] mTraceCurrent = new boolean[32]; private int mTraceCount; // True if the pointer is down. @@ -76,7 +77,7 @@ public class PointerLocationView extends View implements InputDeviceListener { mTraceCount = 0; } - public void addTrace(float x, float y) { + public void addTrace(float x, float y, boolean current) { int traceCapacity = mTraceX.length; if (mTraceCount == traceCapacity) { traceCapacity *= 2; @@ -87,10 +88,15 @@ public class PointerLocationView extends View implements InputDeviceListener { float[] newTraceY = new float[traceCapacity]; System.arraycopy(mTraceY, 0, newTraceY, 0, mTraceCount); mTraceY = newTraceY; + + boolean[] newTraceCurrent = new boolean[traceCapacity]; + System.arraycopy(mTraceCurrent, 0, newTraceCurrent, 0, mTraceCount); + mTraceCurrent= newTraceCurrent; } mTraceX[mTraceCount] = x; mTraceY[mTraceCount] = y; + mTraceCurrent[mTraceCount] = current; mTraceCount += 1; } } @@ -106,6 +112,7 @@ public class PointerLocationView extends View implements InputDeviceListener { private final Paint mTextBackgroundPaint; private final Paint mTextLevelPaint; private final Paint mPaint; + private final Paint mCurrentPointPaint; private final Paint mTargetPaint; private final Paint mPathPaint; private final FontMetricsInt mTextMetrics = new FontMetricsInt(); @@ -147,6 +154,11 @@ public class PointerLocationView extends View implements InputDeviceListener { mPaint.setARGB(255, 255, 255, 255); mPaint.setStyle(Paint.Style.STROKE); mPaint.setStrokeWidth(2); + mCurrentPointPaint = new Paint(); + mCurrentPointPaint.setAntiAlias(true); + mCurrentPointPaint.setARGB(255, 255, 0, 0); + mCurrentPointPaint.setStyle(Paint.Style.STROKE); + mCurrentPointPaint.setStrokeWidth(2); mTargetPaint = new Paint(); mTargetPaint.setAntiAlias(false); mTargetPaint.setARGB(255, 0, 0, 192); @@ -294,7 +306,8 @@ public class PointerLocationView extends View implements InputDeviceListener { } if (haveLast) { canvas.drawLine(lastX, lastY, x, y, mPathPaint); - canvas.drawPoint(lastX, lastY, mPaint); + final Paint paint = ps.mTraceCurrent[i] ? mCurrentPointPaint : mPaint; + canvas.drawPoint(lastX, lastY, paint); drawn = true; } lastX = x; @@ -574,7 +587,7 @@ public class PointerLocationView extends View implements InputDeviceListener { logCoords("Pointer", action, i, coords, id, event); } if (ps != null) { - ps.addTrace(coords.x, coords.y); + ps.addTrace(coords.x, coords.y, false); } } } @@ -587,7 +600,7 @@ public class PointerLocationView extends View implements InputDeviceListener { logCoords("Pointer", action, i, coords, id, event); } if (ps != null) { - ps.addTrace(coords.x, coords.y); + ps.addTrace(coords.x, coords.y, true); ps.mXVelocity = mVelocity.getXVelocity(id); ps.mYVelocity = mVelocity.getYVelocity(id); mVelocity.getEstimator(id, ps.mEstimator); @@ -626,7 +639,7 @@ public class PointerLocationView extends View implements InputDeviceListener { if (mActivePointerId == id) { mActivePointerId = event.getPointerId(index == 0 ? 1 : 0); } - ps.addTrace(Float.NaN, Float.NaN); + ps.addTrace(Float.NaN, Float.NaN, false); } } |