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Diffstat (limited to 'src/com/android/settings/widget/PieChartView.java')
-rw-r--r--src/com/android/settings/widget/PieChartView.java244
1 files changed, 0 insertions, 244 deletions
diff --git a/src/com/android/settings/widget/PieChartView.java b/src/com/android/settings/widget/PieChartView.java
deleted file mode 100644
index 6070190..0000000
--- a/src/com/android/settings/widget/PieChartView.java
+++ /dev/null
@@ -1,244 +0,0 @@
-/*
- * Copyright (C) 2011 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.settings.widget;
-
-import android.content.Context;
-import android.content.res.Resources;
-import android.graphics.Canvas;
-import android.graphics.Color;
-import android.graphics.Matrix;
-import android.graphics.Paint;
-import android.graphics.Paint.Style;
-import android.graphics.Path;
-import android.graphics.Path.Direction;
-import android.graphics.RadialGradient;
-import android.graphics.RectF;
-import android.graphics.Shader.TileMode;
-import android.util.AttributeSet;
-import android.util.Log;
-import android.view.View;
-
-import com.google.android.collect.Lists;
-
-import java.util.ArrayList;
-
-/**
- * Pie chart with multiple items.
- */
-public class PieChartView extends View {
- public static final String TAG = "PieChartView";
- public static final boolean LOGD = false;
-
- private static final boolean FILL_GRADIENT = false;
-
- private ArrayList<Slice> mSlices = Lists.newArrayList();
-
- private int mOriginAngle;
- private Matrix mMatrix = new Matrix();
-
- private Paint mPaintOutline = new Paint();
-
- private Path mPathSide = new Path();
- private Path mPathSideOutline = new Path();
-
- private Path mPathOutline = new Path();
-
- private int mSideWidth;
-
- public class Slice {
- public long value;
-
- public Path path = new Path();
- public Path pathSide = new Path();
- public Path pathOutline = new Path();
-
- public Paint paint;
-
- public Slice(long value, int color) {
- this.value = value;
- this.paint = buildFillPaint(color, getResources());
- }
- }
-
- public PieChartView(Context context) {
- this(context, null);
- }
-
- public PieChartView(Context context, AttributeSet attrs) {
- this(context, attrs, 0);
- }
-
- public PieChartView(Context context, AttributeSet attrs, int defStyle) {
- super(context, attrs, defStyle);
-
- mPaintOutline.setColor(Color.BLACK);
- mPaintOutline.setStyle(Style.STROKE);
- mPaintOutline.setStrokeWidth(3f * getResources().getDisplayMetrics().density);
- mPaintOutline.setAntiAlias(true);
-
- mSideWidth = (int) (20 * getResources().getDisplayMetrics().density);
-
- setWillNotDraw(false);
- }
-
- private static Paint buildFillPaint(int color, Resources res) {
- final Paint paint = new Paint();
-
- paint.setColor(color);
- paint.setStyle(Style.FILL_AND_STROKE);
- paint.setAntiAlias(true);
-
- if (FILL_GRADIENT) {
- final int width = (int) (280 * res.getDisplayMetrics().density);
- paint.setShader(new RadialGradient(0, 0, width, color, darken(color), TileMode.MIRROR));
- }
-
- return paint;
- }
-
- public void setOriginAngle(int originAngle) {
- mOriginAngle = originAngle;
- }
-
- public void addSlice(long value, int color) {
- mSlices.add(new Slice(value, color));
- }
-
- public void removeAllSlices() {
- mSlices.clear();
- }
-
- @Override
- protected void onLayout(boolean changed, int left, int top, int right, int bottom) {
- final float centerX = getWidth() / 2;
- final float centerY = getHeight() / 2;
-
- mMatrix.reset();
- mMatrix.postScale(0.665f, 0.95f, centerX, centerY);
- mMatrix.postRotate(-40, centerX, centerY);
-
- generatePath();
- }
-
- public void generatePath() {
- if (LOGD) Log.d(TAG, "generatePath()");
-
- long total = 0;
- for (Slice slice : mSlices) {
- slice.path.reset();
- slice.pathSide.reset();
- slice.pathOutline.reset();
- total += slice.value;
- }
-
- mPathSide.reset();
- mPathSideOutline.reset();
- mPathOutline.reset();
-
- // bail when not enough stats to render
- if (total == 0) {
- invalidate();
- return;
- }
-
- final int width = getWidth();
- final int height = getHeight();
-
- final RectF rect = new RectF(0, 0, width, height);
- final RectF rectSide = new RectF();
- rectSide.set(rect);
- rectSide.offset(-mSideWidth, 0);
-
- mPathSide.addOval(rectSide, Direction.CW);
- mPathSideOutline.addOval(rectSide, Direction.CW);
- mPathOutline.addOval(rect, Direction.CW);
-
- int startAngle = mOriginAngle;
- for (Slice slice : mSlices) {
- final int sweepAngle = (int) (slice.value * 360 / total);
- final int endAngle = startAngle + sweepAngle;
-
- final float startAngleMod = startAngle % 360;
- final float endAngleMod = endAngle % 360;
- final boolean startSideVisible = startAngleMod > 90 && startAngleMod < 270;
- final boolean endSideVisible = endAngleMod > 90 && endAngleMod < 270;
-
- // draw slice
- slice.path.moveTo(rect.centerX(), rect.centerY());
- slice.path.arcTo(rect, startAngle, sweepAngle);
- slice.path.lineTo(rect.centerX(), rect.centerY());
-
- if (startSideVisible || endSideVisible) {
-
- // when start is beyond horizon, push until visible
- final float startAngleSide = startSideVisible ? startAngle : 450;
- final float endAngleSide = endSideVisible ? endAngle : 270;
- final float sweepAngleSide = endAngleSide - startAngleSide;
-
- // draw slice side
- slice.pathSide.moveTo(rect.centerX(), rect.centerY());
- slice.pathSide.arcTo(rect, startAngleSide, 0);
- slice.pathSide.rLineTo(-mSideWidth, 0);
- slice.pathSide.arcTo(rectSide, startAngleSide, sweepAngleSide);
- slice.pathSide.rLineTo(mSideWidth, 0);
- slice.pathSide.arcTo(rect, endAngleSide, -sweepAngleSide);
- }
-
- // draw slice outline
- slice.pathOutline.moveTo(rect.centerX(), rect.centerY());
- slice.pathOutline.arcTo(rect, startAngle, 0);
- if (startSideVisible) {
- slice.pathOutline.rLineTo(-mSideWidth, 0);
- }
- slice.pathOutline.moveTo(rect.centerX(), rect.centerY());
- slice.pathOutline.arcTo(rect, startAngle + sweepAngle, 0);
- if (endSideVisible) {
- slice.pathOutline.rLineTo(-mSideWidth, 0);
- }
-
- startAngle += sweepAngle;
- }
-
- invalidate();
- }
-
- @Override
- protected void onDraw(Canvas canvas) {
-
- canvas.concat(mMatrix);
-
- for (Slice slice : mSlices) {
- canvas.drawPath(slice.pathSide, slice.paint);
- }
- canvas.drawPath(mPathSideOutline, mPaintOutline);
-
- for (Slice slice : mSlices) {
- canvas.drawPath(slice.path, slice.paint);
- canvas.drawPath(slice.pathOutline, mPaintOutline);
- }
- canvas.drawPath(mPathOutline, mPaintOutline);
- }
-
- public static int darken(int color) {
- float[] hsv = new float[3];
- Color.colorToHSV(color, hsv);
- hsv[2] /= 2;
- hsv[1] /= 2;
- return Color.HSVToColor(hsv);
- }
-
-}
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