diff options
Diffstat (limited to 'InCallUI/src/com/android/incallui/widget/multiwaveview/PointCloud.java')
-rw-r--r-- | InCallUI/src/com/android/incallui/widget/multiwaveview/PointCloud.java | 235 |
1 files changed, 0 insertions, 235 deletions
diff --git a/InCallUI/src/com/android/incallui/widget/multiwaveview/PointCloud.java b/InCallUI/src/com/android/incallui/widget/multiwaveview/PointCloud.java deleted file mode 100644 index 07a2cb964..000000000 --- a/InCallUI/src/com/android/incallui/widget/multiwaveview/PointCloud.java +++ /dev/null @@ -1,235 +0,0 @@ -/* - * Copyright (C) 2012 The Android Open Source Project - * - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ - -package com.android.incallui.widget.multiwaveview; - -import android.graphics.Canvas; -import android.graphics.Color; -import android.graphics.Paint; -import android.graphics.drawable.Drawable; -import android.util.Log; - -import java.util.ArrayList; - -public class PointCloud { - private static final float MIN_POINT_SIZE = 2.0f; - private static final float MAX_POINT_SIZE = 4.0f; - private static final int INNER_POINTS = 8; - private static final String TAG = "PointCloud"; - private ArrayList<Point> mPointCloud = new ArrayList<Point>(); - private Drawable mDrawable; - private float mCenterX; - private float mCenterY; - private Paint mPaint; - private float mScale = 1.0f; - private static final float PI = (float) Math.PI; - - // These allow us to have multiple concurrent animations. - WaveManager waveManager = new WaveManager(); - GlowManager glowManager = new GlowManager(); - private float mOuterRadius; - - public class WaveManager { - private float radius = 50; - private float width = 200.0f; // TODO: Make configurable - private float alpha = 0.0f; - public void setRadius(float r) { - radius = r; - } - - public float getRadius() { - return radius; - } - - public void setAlpha(float a) { - alpha = a; - } - - public float getAlpha() { - return alpha; - } - }; - - public class GlowManager { - private float x; - private float y; - private float radius = 0.0f; - private float alpha = 0.0f; - - public void setX(float x1) { - x = x1; - } - - public float getX() { - return x; - } - - public void setY(float y1) { - y = y1; - } - - public float getY() { - return y; - } - - public void setAlpha(float a) { - alpha = a; - } - - public float getAlpha() { - return alpha; - } - - public void setRadius(float r) { - radius = r; - } - - public float getRadius() { - return radius; - } - } - - class Point { - float x; - float y; - float radius; - - public Point(float x2, float y2, float r) { - x = (float) x2; - y = (float) y2; - radius = r; - } - } - - public PointCloud(Drawable drawable) { - mPaint = new Paint(); - mPaint.setFilterBitmap(true); - mPaint.setColor(Color.rgb(255, 255, 255)); // TODO: make configurable - mPaint.setAntiAlias(true); - mPaint.setDither(true); - - mDrawable = drawable; - if (mDrawable != null) { - drawable.setBounds(0, 0, drawable.getIntrinsicWidth(), drawable.getIntrinsicHeight()); - } - } - - public void setCenter(float x, float y) { - mCenterX = x; - mCenterY = y; - } - - public void makePointCloud(float innerRadius, float outerRadius) { - if (innerRadius == 0) { - Log.w(TAG, "Must specify an inner radius"); - return; - } - mOuterRadius = outerRadius; - mPointCloud.clear(); - final float pointAreaRadius = (outerRadius - innerRadius); - final float ds = (2.0f * PI * innerRadius / INNER_POINTS); - final int bands = (int) Math.round(pointAreaRadius / ds); - final float dr = pointAreaRadius / bands; - float r = innerRadius; - for (int b = 0; b <= bands; b++, r += dr) { - float circumference = 2.0f * PI * r; - final int pointsInBand = (int) (circumference / ds); - float eta = PI/2.0f; - float dEta = 2.0f * PI / pointsInBand; - for (int i = 0; i < pointsInBand; i++) { - float x = r * (float) Math.cos(eta); - float y = r * (float) Math.sin(eta); - eta += dEta; - mPointCloud.add(new Point(x, y, r)); - } - } - } - - public void setScale(float scale) { - mScale = scale; - } - - public float getScale() { - return mScale; - } - - private static float hypot(float x, float y) { - return (float) Math.hypot(x, y); - } - - private static float max(float a, float b) { - return a > b ? a : b; - } - - public int getAlphaForPoint(Point point) { - // Contribution from positional glow - float glowDistance = hypot(glowManager.x - point.x, glowManager.y - point.y); - float glowAlpha = 0.0f; - - if (glowDistance < glowManager.radius) { - double cos = Math.cos(Math.PI * 0.25d * glowDistance / glowManager.radius); - glowAlpha = glowManager.alpha * max(0.0f, (float) Math.pow(cos, 10.0d)); - } - - // Compute contribution from Wave - float radius = hypot(point.x, point.y); - float distanceToWaveRing = (radius - waveManager.radius); - float waveAlpha = 0.0f; - if (distanceToWaveRing < waveManager.width * 0.5f && distanceToWaveRing < 0.0f) { - double cos = Math.cos(Math.PI * 0.25d * distanceToWaveRing / waveManager.width); - waveAlpha = waveManager.alpha * max(0.0f, (float) Math.pow(cos, 20.0d)); - } - - return (int) (max(glowAlpha, waveAlpha) * 255); - } - - private float interp(float min, float max, float f) { - return min + (max - min) * f; - } - - public void draw(Canvas canvas) { - ArrayList<Point> points = mPointCloud; - canvas.save(Canvas.MATRIX_SAVE_FLAG); - canvas.scale(mScale, mScale, mCenterX, mCenterY); - for (int i = 0; i < points.size(); i++) { - Point point = points.get(i); - final float pointSize = interp(MAX_POINT_SIZE, MIN_POINT_SIZE, - point.radius / mOuterRadius); - final float px = point.x + mCenterX; - final float py = point.y + mCenterY; - int alpha = getAlphaForPoint(point); - - if (alpha == 0) continue; - - if (mDrawable != null) { - canvas.save(Canvas.MATRIX_SAVE_FLAG); - final float cx = mDrawable.getIntrinsicWidth() * 0.5f; - final float cy = mDrawable.getIntrinsicHeight() * 0.5f; - final float s = pointSize / MAX_POINT_SIZE; - canvas.scale(s, s, px, py); - canvas.translate(px - cx, py - cy); - mDrawable.setAlpha(alpha); - mDrawable.draw(canvas); - canvas.restore(); - } else { - mPaint.setAlpha(alpha); - canvas.drawCircle(px, py, pointSize, mPaint); - } - } - canvas.restore(); - } - -} |