diff options
Diffstat (limited to 'java/src/com/android/inputmethod/keyboard/internal/GesturePreviewTrail.java')
| -rw-r--r-- | java/src/com/android/inputmethod/keyboard/internal/GesturePreviewTrail.java | 23 |
1 files changed, 22 insertions, 1 deletions
diff --git a/java/src/com/android/inputmethod/keyboard/internal/GesturePreviewTrail.java b/java/src/com/android/inputmethod/keyboard/internal/GesturePreviewTrail.java index 7fd1bedcb..c7b51426f 100644 --- a/java/src/com/android/inputmethod/keyboard/internal/GesturePreviewTrail.java +++ b/java/src/com/android/inputmethod/keyboard/internal/GesturePreviewTrail.java @@ -18,6 +18,7 @@ package com.android.inputmethod.keyboard.internal; import android.content.res.TypedArray; import android.graphics.Canvas; +import android.graphics.Color; import android.graphics.Paint; import android.graphics.Path; import android.graphics.Rect; @@ -35,12 +36,19 @@ import com.android.inputmethod.latin.ResizableIntArray; * @attr ref R.styleable#MainKeyboardView_gesturePreviewTrailWidth */ final class GesturePreviewTrail { + public static final boolean DBG_SHOW_POINTS = false; + public static final int POINT_TYPE_SAMPLED = 0; + public static final int POINT_TYPE_INTERPOLATED = 1; + public static final int POINT_TYPE_COMPROMISED = 2; + private static final int DEFAULT_CAPACITY = GestureStrokeWithPreviewPoints.PREVIEW_CAPACITY; // These three {@link ResizableIntArray}s should be synchronized by {@link #mEventTimes}. private final ResizableIntArray mXCoordinates = new ResizableIntArray(DEFAULT_CAPACITY); private final ResizableIntArray mYCoordinates = new ResizableIntArray(DEFAULT_CAPACITY); private final ResizableIntArray mEventTimes = new ResizableIntArray(DEFAULT_CAPACITY); + private final ResizableIntArray mPointTypes = new ResizableIntArray( + DBG_SHOW_POINTS ? DEFAULT_CAPACITY : 0); private int mCurrentStrokeId = -1; // The wall time of the zero value in {@link #mEventTimes} private long mCurrentTimeBase; @@ -125,7 +133,7 @@ final class GesturePreviewTrail { final int lastInterpolatedIndex = (strokeId == mCurrentStrokeId) ? mLastInterpolatedDrawIndex : trailSize; mLastInterpolatedDrawIndex = stroke.interpolateStrokeAndReturnStartIndexOfLastSegment( - lastInterpolatedIndex, mEventTimes, mXCoordinates, mYCoordinates); + lastInterpolatedIndex, mEventTimes, mXCoordinates, mYCoordinates, mPointTypes); if (strokeId != mCurrentStrokeId) { final int elapsedTime = (int)(downTime - mCurrentTimeBase); for (int i = mTrailStartIndex; i < trailSize; i++) { @@ -204,6 +212,7 @@ final class GesturePreviewTrail { final int[] eventTimes = mEventTimes.getPrimitiveArray(); final int[] xCoords = mXCoordinates.getPrimitiveArray(); final int[] yCoords = mYCoordinates.getPrimitiveArray(); + final int[] pointTypes = mPointTypes.getPrimitiveArray(); final int sinceDown = (int)(SystemClock.uptimeMillis() - mCurrentTimeBase); int startIndex; for (startIndex = mTrailStartIndex; startIndex < trailSize; startIndex++) { @@ -246,6 +255,17 @@ final class GesturePreviewTrail { final int alpha = getAlpha(elapsedTime, params); paint.setAlpha(alpha); canvas.drawPath(path, paint); + if (DBG_SHOW_POINTS) { + if (pointTypes[i] == POINT_TYPE_INTERPOLATED) { + paint.setColor(Color.RED); + } else if (pointTypes[i] == POINT_TYPE_SAMPLED) { + paint.setColor(Color.BLUE); + } else { + paint.setColor(Color.GREEN); + } + canvas.drawCircle(p1x - 1, p1y - 1, 2, paint); + paint.setColor(params.mTrailColor); + } } } p1x = p2x; @@ -265,6 +285,7 @@ final class GesturePreviewTrail { mEventTimes.setLength(newSize); mXCoordinates.setLength(newSize); mYCoordinates.setLength(newSize); + mPointTypes.setLength(newSize); // The start index of the last segment of the stroke // {@link mLastInterpolatedDrawIndex} should also be updated because all array // elements have just been shifted for compaction or been zeroed. |