| /* |
| * Copyright (C) 2010 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.test.hwui; |
| |
| import android.app.Activity; |
| import android.content.Context; |
| import android.graphics.Bitmap; |
| import android.graphics.BitmapFactory; |
| import android.graphics.BitmapShader; |
| import android.graphics.Canvas; |
| import android.graphics.Paint; |
| import android.graphics.Path; |
| import android.graphics.RectF; |
| import android.os.Bundle; |
| import android.view.View; |
| |
| @SuppressWarnings({"UnusedDeclaration"}) |
| public class PathsActivity extends Activity { |
| @Override |
| protected void onCreate(Bundle savedInstanceState) { |
| super.onCreate(savedInstanceState); |
| final PathsView view = new PathsView(this); |
| setContentView(view); |
| } |
| |
| public static class PathsView extends View { |
| private final Bitmap mBitmap1; |
| private final Paint mSmallPaint; |
| private final Paint mMediumPaint; |
| private final Paint mLargePaint; |
| private final BitmapShader mShader; |
| private final Path mPath; |
| private final RectF mPathBounds; |
| private final Paint mBoundsPaint; |
| private final Bitmap mBitmap; |
| private final float mOffset; |
| private final Paint mLinePaint; |
| |
| public PathsView(Context c) { |
| super(c); |
| |
| mBitmap1 = BitmapFactory.decodeResource(c.getResources(), R.drawable.sunset1); |
| |
| mSmallPaint = new Paint(); |
| mSmallPaint.setAntiAlias(true); |
| mSmallPaint.setColor(0xffff0000); |
| mSmallPaint.setStrokeWidth(1.0f); |
| mSmallPaint.setStyle(Paint.Style.STROKE); |
| |
| mLinePaint = new Paint(); |
| mLinePaint.setAntiAlias(true); |
| mLinePaint.setColor(0xffff00ff); |
| mLinePaint.setStrokeWidth(1.0f); |
| mLinePaint.setStyle(Paint.Style.STROKE); |
| |
| mMediumPaint = new Paint(); |
| mMediumPaint.setAntiAlias(true); |
| mMediumPaint.setColor(0xe00000ff); |
| mMediumPaint.setStrokeWidth(10.0f); |
| mMediumPaint.setStyle(Paint.Style.STROKE); |
| |
| mLargePaint = new Paint(); |
| mLargePaint.setAntiAlias(true); |
| mLargePaint.setColor(0x7f00ff00); |
| mLargePaint.setStrokeWidth(15.0f); |
| mLargePaint.setStyle(Paint.Style.FILL); |
| |
| mShader = new BitmapShader(mBitmap1, BitmapShader.TileMode.MIRROR, |
| BitmapShader.TileMode.MIRROR); |
| |
| mPath = new Path(); |
| mPath.moveTo(0.0f, 0.0f); |
| mPath.cubicTo(0.0f, 0.0f, 100.0f, 150.0f, 100.0f, 200.0f); |
| mPath.cubicTo(100.0f, 200.0f, 50.0f, 300.0f, -80.0f, 200.0f); |
| mPath.cubicTo(-80.0f, 200.0f, 100.0f, 200.0f, 200.0f, 0.0f); |
| |
| mPathBounds = new RectF(); |
| mPath.computeBounds(mPathBounds, true); |
| |
| mBoundsPaint = new Paint(); |
| mBoundsPaint.setColor(0x4000ff00); |
| |
| mOffset = mMediumPaint.getStrokeWidth(); |
| final int width = (int) (mPathBounds.width() + mOffset * 3.0f + 0.5f); |
| final int height = (int) (mPathBounds.height() + mOffset * 3.0f + 0.5f); |
| mBitmap = Bitmap.createBitmap(width, height, Bitmap.Config.ALPHA_8); |
| Canvas canvas = new Canvas(mBitmap); |
| canvas.translate(-mPathBounds.left + mOffset * 1.5f, -mPathBounds.top + mOffset * 1.5f); |
| canvas.drawPath(mPath, mMediumPaint); |
| canvas.setBitmap(null); |
| } |
| |
| @Override |
| protected void onDraw(Canvas canvas) { |
| super.onDraw(canvas); |
| |
| canvas.drawARGB(255, 255, 255, 255); |
| |
| canvas.save(); |
| canvas.translate(200.0f, 60.0f); |
| canvas.drawPath(mPath, mSmallPaint); |
| |
| canvas.translate(350.0f, 0.0f); |
| canvas.drawPath(mPath, mMediumPaint); |
| |
| mLargePaint.setShader(mShader); |
| canvas.translate(350.0f, 0.0f); |
| canvas.drawPath(mPath, mLargePaint); |
| mLargePaint.setShader(null); |
| canvas.restore(); |
| |
| canvas.save(); |
| canvas.translate(200.0f, 360.0f); |
| canvas.drawPath(mPath, mSmallPaint); |
| canvas.drawRect(mPathBounds, mBoundsPaint); |
| |
| canvas.translate(350.0f, 0.0f); |
| canvas.drawBitmap(mBitmap, mPathBounds.left - mOffset * 1.5f, |
| mPathBounds.top - mOffset * 1.5f, null); |
| canvas.drawRect(mPathBounds, mBoundsPaint); |
| canvas.drawLine(0.0f, -360.0f, 0.0f, 500.0f, mLinePaint); |
| |
| mLargePaint.setShader(mShader); |
| canvas.translate(350.0f, 0.0f); |
| canvas.drawPath(mPath, mLargePaint); |
| canvas.drawRect(mPathBounds, mBoundsPaint); |
| mLargePaint.setShader(null); |
| canvas.restore(); |
| } |
| } |
| } |