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author | Hyunyoung Song <hyunyoungs@google.com> | 2015-07-21 17:01:26 -0700 |
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committer | Ed Heyl <edheyl@google.com> | 2015-07-22 11:31:04 -0700 |
commit | e612775922ec9f8cc4e5cb976bc62b3312a3de0e (patch) | |
tree | 96beaf07307486f6491f022da63ebe381765d1a8 /src/com/android/launcher3/util/RevealOutlineProvider.java | |
parent | a83129f0bc778fd1ccd799bd8cfa40270f632e1d (diff) | |
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resolved conflicts for merge of 13ef17a3 to mnc-dr-dev
b/22609402
Change-Id: I140cf972d57e14737a6f91c0b4a8ec6c7ff1af2b
Diffstat (limited to 'src/com/android/launcher3/util/RevealOutlineProvider.java')
-rw-r--r-- | src/com/android/launcher3/util/RevealOutlineProvider.java | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/src/com/android/launcher3/util/RevealOutlineProvider.java b/src/com/android/launcher3/util/RevealOutlineProvider.java new file mode 100644 index 000000000..0db3984f8 --- /dev/null +++ b/src/com/android/launcher3/util/RevealOutlineProvider.java @@ -0,0 +1,49 @@ +package com.android.launcher3.util; + +import android.annotation.TargetApi; +import android.graphics.Outline; +import android.graphics.Rect; +import android.os.Build; +import android.view.View; +import android.view.ViewOutlineProvider; + +@TargetApi(Build.VERSION_CODES.LOLLIPOP) +public class RevealOutlineProvider extends ViewOutlineProvider { + + private int mCenterX; + private int mCenterY; + private float mRadius0; + private float mRadius1; + private int mCurrentRadius; + + private final Rect mOval; + + /** + * @param x reveal center x + * @param y reveal center y + * @param r0 initial radius + * @param r1 final radius + */ + public RevealOutlineProvider(int x, int y, float r0, float r1) { + mCenterX = x; + mCenterY = y; + mRadius0 = r0; + mRadius1 = r1; + + mOval = new Rect(); + } + + public void setProgress(float progress) { + mCurrentRadius = (int) ((1 - progress) * mRadius0 + progress * mRadius1); + + mOval.left = mCenterX - mCurrentRadius; + mOval.top = mCenterY - mCurrentRadius; + mOval.right = mCenterX + mCurrentRadius; + mOval.bottom = mCenterY + mCurrentRadius; + } + + @Override + public void getOutline(View v, Outline outline) { + outline.setRoundRect(mOval, mCurrentRadius); + } +} |