am d9a87eb8: Merge "Fix drawing debug points of gesture trails"
* commit 'd9a87eb857b766e37517c59dccc05cceaa38c77c': Fix drawing debug points of gesture trailsmain
commit
48346c474d
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@ -58,7 +58,7 @@ public final class GestureStrokeWithPreviewPoints extends GestureStroke {
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}
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private static double degreeToRadian(final int degree) {
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return (double)degree / 180.0d * Math.PI;
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return degree / 180.0d * Math.PI;
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}
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public GestureStrokePreviewParams(final TypedArray mainKeyboardViewAttr) {
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@ -125,8 +125,18 @@ public final class GestureStrokeWithPreviewPoints extends GestureStroke {
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}
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/**
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* Append sampled preview points.
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*
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* @param eventTimes the event time array of gesture trail to be drawn.
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* @param xCoords the x-coordinates array of gesture trail to be drawn.
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* @param yCoords the y-coordinates array of gesture trail to be drawn.
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* @param types the point types array of gesture trail. This is valid only when
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* {@link GestureTrail#DEBUG_SHOW_POINTS} is true.
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*/
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public void appendPreviewStroke(final ResizableIntArray eventTimes,
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final ResizableIntArray xCoords, final ResizableIntArray yCoords) {
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final ResizableIntArray xCoords, final ResizableIntArray yCoords,
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final ResizableIntArray types) {
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final int length = mPreviewEventTimes.getLength() - mLastPreviewSize;
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if (length <= 0) {
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return;
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@ -134,6 +144,9 @@ public final class GestureStrokeWithPreviewPoints extends GestureStroke {
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eventTimes.append(mPreviewEventTimes, mLastPreviewSize, length);
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xCoords.append(mPreviewXCoordinates, mLastPreviewSize, length);
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yCoords.append(mPreviewYCoordinates, mLastPreviewSize, length);
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if (GestureTrail.DEBUG_SHOW_POINTS) {
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types.fill(GestureTrail.POINT_TYPE_SAMPLED, types.getLength(), length);
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}
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mLastPreviewSize = mPreviewEventTimes.getLength();
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}
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@ -148,6 +161,8 @@ public final class GestureStrokeWithPreviewPoints extends GestureStroke {
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* @param eventTimes the event time array of gesture trail to be drawn.
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* @param xCoords the x-coordinates array of gesture trail to be drawn.
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* @param yCoords the y-coordinates array of gesture trail to be drawn.
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* @param types the point types array of gesture trail. This is valid only when
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* {@link GestureTrail#DEBUG_SHOW_POINTS} is true.
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* @return the start index of the last interpolated segment of input arrays.
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*/
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public int interpolateStrokeAndReturnStartIndexOfLastSegment(final int lastInterpolatedIndex,
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@ -189,7 +204,7 @@ public final class GestureStrokeWithPreviewPoints extends GestureStroke {
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eventTimes.add(d1, (int)(dt * t) + t1);
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xCoords.add(d1, (int)mInterpolator.mInterpolatedX);
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yCoords.add(d1, (int)mInterpolator.mInterpolatedY);
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if (GestureTrail.DBG_SHOW_POINTS) {
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if (GestureTrail.DEBUG_SHOW_POINTS) {
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types.add(d1, GestureTrail.POINT_TYPE_INTERPOLATED);
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}
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d1++;
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@ -197,7 +212,7 @@ public final class GestureStrokeWithPreviewPoints extends GestureStroke {
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eventTimes.add(d1, pt[p2]);
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xCoords.add(d1, px[p2]);
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yCoords.add(d1, py[p2]);
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if (GestureTrail.DBG_SHOW_POINTS) {
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if (GestureTrail.DEBUG_SHOW_POINTS) {
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types.add(d1, GestureTrail.POINT_TYPE_SAMPLED);
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}
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}
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@ -36,10 +36,11 @@ import com.android.inputmethod.latin.ResizableIntArray;
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* @attr ref R.styleable#MainKeyboardView_gestureTrailWidth
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*/
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final class GestureTrail {
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public static final boolean DBG_SHOW_POINTS = false;
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public static final int POINT_TYPE_SAMPLED = 0;
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public static final int POINT_TYPE_INTERPOLATED = 1;
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public static final int POINT_TYPE_COMPROMISED = 2;
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public static final boolean DEBUG_SHOW_POINTS = false;
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public static final int POINT_TYPE_SAMPLED = 1;
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public static final int POINT_TYPE_INTERPOLATED = 2;
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private static final int FADEOUT_START_DELAY_FOR_DEBUG = 2000; // millisecond
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private static final int FADEOUT_DURATION_FOR_DEBUG = 200; // millisecond
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private static final int DEFAULT_CAPACITY = GestureStrokeWithPreviewPoints.PREVIEW_CAPACITY;
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@ -48,7 +49,7 @@ final class GestureTrail {
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private final ResizableIntArray mYCoordinates = new ResizableIntArray(DEFAULT_CAPACITY);
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private final ResizableIntArray mEventTimes = new ResizableIntArray(DEFAULT_CAPACITY);
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private final ResizableIntArray mPointTypes = new ResizableIntArray(
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DBG_SHOW_POINTS ? DEFAULT_CAPACITY : 0);
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DEBUG_SHOW_POINTS ? DEFAULT_CAPACITY : 0);
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private int mCurrentStrokeId = -1;
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// The wall time of the zero value in {@link #mEventTimes}
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private long mCurrentTimeBase;
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@ -83,9 +84,11 @@ final class GestureTrail {
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R.styleable.MainKeyboardView_gestureTrailShadowRatio, 0);
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mTrailShadowEnabled = (trailShadowRatioInt > 0);
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mTrailShadowRatio = (float)trailShadowRatioInt / (float)PERCENTAGE_INT;
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mFadeoutStartDelay = DBG_SHOW_POINTS ? 2000 : mainKeyboardViewAttr.getInt(
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mFadeoutStartDelay = DEBUG_SHOW_POINTS ? FADEOUT_START_DELAY_FOR_DEBUG
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: mainKeyboardViewAttr.getInt(
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R.styleable.MainKeyboardView_gestureTrailFadeoutStartDelay, 0);
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mFadeoutDuration = DBG_SHOW_POINTS ? 200 : mainKeyboardViewAttr.getInt(
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mFadeoutDuration = DEBUG_SHOW_POINTS ? FADEOUT_DURATION_FOR_DEBUG
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: mainKeyboardViewAttr.getInt(
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R.styleable.MainKeyboardView_gestureTrailFadeoutDuration, 0);
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mTrailLingerDuration = mFadeoutStartDelay + mFadeoutDuration;
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mUpdateInterval = mainKeyboardViewAttr.getInt(
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@ -117,7 +120,7 @@ final class GestureTrail {
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private void addStrokeLocked(final GestureStrokeWithPreviewPoints stroke, final long downTime) {
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final int trailSize = mEventTimes.getLength();
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stroke.appendPreviewStroke(mEventTimes, mXCoordinates, mYCoordinates);
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stroke.appendPreviewStroke(mEventTimes, mXCoordinates, mYCoordinates, mPointTypes);
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if (mEventTimes.getLength() == trailSize) {
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return;
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}
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@ -255,23 +258,15 @@ final class GestureTrail {
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final int alpha = getAlpha(elapsedTime, params);
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paint.setAlpha(alpha);
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canvas.drawPath(path, paint);
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if (DBG_SHOW_POINTS) {
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if (pointTypes[i] == POINT_TYPE_INTERPOLATED) {
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paint.setColor(Color.RED);
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} else if (pointTypes[i] == POINT_TYPE_SAMPLED) {
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paint.setColor(0xFFA000FF);
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} else {
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paint.setColor(Color.GREEN);
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}
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canvas.drawCircle(p1x - 1, p1y - 1, 2, paint);
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paint.setColor(params.mTrailColor);
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}
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}
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}
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p1x = p2x;
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p1y = p2y;
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r1 = r2;
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}
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if (DEBUG_SHOW_POINTS) {
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debugDrawPoints(canvas, startIndex, trailSize, paint);
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}
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}
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final int newSize = trailSize - startIndex;
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@ -281,11 +276,14 @@ final class GestureTrail {
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System.arraycopy(eventTimes, startIndex, eventTimes, 0, newSize);
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System.arraycopy(xCoords, startIndex, xCoords, 0, newSize);
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System.arraycopy(yCoords, startIndex, yCoords, 0, newSize);
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if (DEBUG_SHOW_POINTS) {
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System.arraycopy(pointTypes, startIndex, pointTypes, 0, newSize);
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}
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}
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mEventTimes.setLength(newSize);
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mXCoordinates.setLength(newSize);
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mYCoordinates.setLength(newSize);
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if (DBG_SHOW_POINTS) {
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if (DEBUG_SHOW_POINTS) {
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mPointTypes.setLength(newSize);
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}
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// The start index of the last segment of the stroke
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@ -295,4 +293,26 @@ final class GestureTrail {
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}
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return newSize > 0;
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}
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private void debugDrawPoints(final Canvas canvas, final int startIndex, final int endIndex,
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final Paint paint) {
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final int[] xCoords = mXCoordinates.getPrimitiveArray();
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final int[] yCoords = mYCoordinates.getPrimitiveArray();
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final int[] pointTypes = mPointTypes.getPrimitiveArray();
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// {@link Paint} that is zero width stroke and anti alias off draws exactly 1 pixel.
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paint.setAntiAlias(false);
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paint.setStrokeWidth(0);
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for (int i = startIndex; i < endIndex; i++) {
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final int pointType = pointTypes[i];
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if (pointType == POINT_TYPE_INTERPOLATED) {
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paint.setColor(Color.RED);
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} else if (pointType == POINT_TYPE_SAMPLED) {
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paint.setColor(0xFFA000FF);
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} else {
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paint.setColor(Color.GREEN);
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}
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canvas.drawPoint(getXCoordValue(xCoords[i]), yCoords[i], paint);
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}
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paint.setAntiAlias(true);
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}
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}
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