| /* |
| * 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.animation.ObjectAnimator; |
| 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.drawable.ColorDrawable; |
| import android.os.Bundle; |
| import android.view.View; |
| |
| @SuppressWarnings({"UnusedDeclaration"}) |
| public class LinesActivity extends Activity { |
| private ObjectAnimator mAnimator; |
| |
| @Override |
| protected void onCreate(Bundle savedInstanceState) { |
| super.onCreate(savedInstanceState); |
| getWindow().setBackgroundDrawable(new ColorDrawable(0xffffffff)); |
| final LinesView view = new LinesView(this); |
| setContentView(view); |
| |
| mAnimator = ObjectAnimator.ofFloat(view, "offset", 0.0f, 15.0f); |
| mAnimator.setDuration(1500); |
| mAnimator.setRepeatCount(ObjectAnimator.INFINITE); |
| mAnimator.setRepeatMode(ObjectAnimator.REVERSE); |
| mAnimator.start(); |
| } |
| |
| @Override |
| protected void onDestroy() { |
| super.onDestroy(); |
| mAnimator.cancel(); |
| } |
| |
| public static class LinesView extends View { |
| private static final boolean LINE_AA = true; |
| |
| private final Bitmap mBitmap1; |
| private final Paint mSmallPaint; |
| private final Paint mMediumPaint; |
| private final Paint mLargePaint; |
| private final BitmapShader mShader; |
| private final float[] mPoints; |
| private final Paint mAlphaPaint; |
| private final Paint mHairLinePaint; |
| |
| private float mOffset; |
| |
| public LinesView(Context c) { |
| super(c); |
| |
| mBitmap1 = BitmapFactory.decodeResource(c.getResources(), R.drawable.sunset1); |
| |
| mSmallPaint = new Paint(); |
| mSmallPaint.setAntiAlias(LINE_AA); |
| mSmallPaint.setColor(0xffff0000); |
| mSmallPaint.setStrokeWidth(1.0f); |
| |
| mMediumPaint = new Paint(); |
| mMediumPaint.setAntiAlias(LINE_AA); |
| mMediumPaint.setColor(0xff0000ff); |
| mMediumPaint.setStrokeWidth(4.0f); |
| |
| mLargePaint = new Paint(); |
| mLargePaint.setAntiAlias(LINE_AA); |
| mLargePaint.setColor(0xff00ff00); |
| mLargePaint.setStrokeWidth(15.0f); |
| |
| mAlphaPaint = new Paint(); |
| mAlphaPaint.setAntiAlias(LINE_AA); |
| mAlphaPaint.setColor(0x7fff0050); |
| mAlphaPaint.setStrokeWidth(10.0f); |
| |
| mHairLinePaint = new Paint(); |
| mHairLinePaint.setAntiAlias(LINE_AA); |
| mHairLinePaint.setColor(0xff0000ff); |
| mHairLinePaint.setStrokeWidth(0.0f); |
| |
| mShader = new BitmapShader(mBitmap1, BitmapShader.TileMode.MIRROR, |
| BitmapShader.TileMode.MIRROR); |
| |
| mPoints = new float[] { |
| 62.0f, 0.0f, 302.0f, 400.0f, |
| 302.0f, 400.0f, 352.0f, 400.0f, |
| 352.0f, 400.0f, 352.0f, 500.0f |
| }; |
| } |
| |
| public void setOffset(float offset) { |
| mOffset = offset; |
| invalidate(); |
| } |
| |
| @Override |
| protected void onDraw(Canvas canvas) { |
| super.onDraw(canvas); |
| |
| canvas.save(); |
| canvas.translate(100.0f, 20.0f); |
| |
| canvas.drawLine(0.0f, 0.0f, 40.0f, 400.0f, mSmallPaint); |
| canvas.drawLine(5.0f, 0.0f, 95.0f, 400.0f, mMediumPaint); |
| canvas.drawLine(22.0f, 0.0f, 162.0f, 400.0f, mLargePaint); |
| |
| mLargePaint.setShader(mShader); |
| canvas.drawLine(42.0f, 0.0f, 222.0f, 400.0f, mLargePaint); |
| for (int x = 0; x < 20; x++) { |
| for (int y = 0; y < 20; y++) { |
| canvas.drawPoint(500.0f + x * (15.0f + mOffset), |
| y * (15.0f + mOffset), mLargePaint); |
| } |
| } |
| mLargePaint.setShader(null); |
| |
| canvas.drawLines(mPoints, mAlphaPaint); |
| |
| mSmallPaint.setAntiAlias(false); |
| canvas.drawLine(0.0f, 0.0f, 400.0f, 0.0f, mSmallPaint); |
| mSmallPaint.setAntiAlias(LINE_AA); |
| canvas.drawLine(0.0f, 0.0f, 0.0f, 400.0f, mSmallPaint); |
| canvas.drawLine(0.0f, 400.0f, 400.0f, 400.0f, mSmallPaint); |
| |
| canvas.translate(120.0f, 0.0f); |
| mAlphaPaint.setShader(mShader); |
| canvas.drawLines(mPoints, mAlphaPaint); |
| mAlphaPaint.setShader(null); |
| |
| canvas.restore(); |
| |
| canvas.save(); |
| canvas.scale(10.0f, 10.0f); |
| canvas.drawLine(50.0f, 40.0f, 10.0f, 40.0f, mSmallPaint); |
| canvas.drawLine(10.0f, 45.0f, 20.0f, 55.0f, mSmallPaint); |
| canvas.drawLine(10.0f, 60.0f, 50.0f, 60.0f, mHairLinePaint); |
| canvas.restore(); |
| |
| canvas.save(); |
| canvas.scale(10.0f, 50.0f); |
| mSmallPaint.setStrokeWidth(0.0f); |
| canvas.drawLine(20.0f, 9.0f, 30.0f, 11.0f, mSmallPaint); |
| mSmallPaint.setStrokeWidth(1.0f); |
| canvas.drawLine(30.0f, 9.0f, 40.0f, 11.0f, mSmallPaint); |
| canvas.restore(); |
| } |
| } |
| } |