| /* |
| * 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.Canvas; |
| import android.graphics.Paint; |
| import android.graphics.Path; |
| import android.os.Bundle; |
| import android.view.View; |
| |
| @SuppressWarnings({"UnusedDeclaration"}) |
| public class ScaledTextActivity extends Activity { |
| |
| @Override |
| protected void onCreate(Bundle savedInstanceState) { |
| super.onCreate(savedInstanceState); |
| |
| final ScaledTextView view = new ScaledTextView(this); |
| setContentView(view); |
| |
| ObjectAnimator animation = ObjectAnimator.ofFloat(view, "textScale", 1.0f, 10.0f); |
| animation.setDuration(3000); |
| animation.setRepeatCount(ObjectAnimator.INFINITE); |
| animation.setRepeatMode(ObjectAnimator.REVERSE); |
| animation.start(); |
| |
| } |
| |
| public static class ScaledTextView extends View { |
| private static final String TEXT = "Hello libhwui! "; |
| |
| private final Paint mPaint; |
| private final Paint mShadowPaint; |
| private final Path mPath; |
| |
| private float mScale = 1.0f; |
| |
| public ScaledTextView(Context c) { |
| super(c); |
| setLayerType(LAYER_TYPE_HARDWARE, null); |
| |
| mPath = makePath(); |
| |
| mPaint = new Paint(); |
| mPaint.setAntiAlias(true); |
| mPaint.setTextSize(20.0f); |
| |
| mShadowPaint = new Paint(); |
| mShadowPaint.setAntiAlias(true); |
| mShadowPaint.setShadowLayer(3.0f, 0.0f, 3.0f, 0xff000000); |
| mShadowPaint.setTextSize(20.0f); |
| } |
| |
| public float getTextScale() { |
| return mScale; |
| } |
| |
| public void setTextScale(float scale) { |
| mScale = scale; |
| invalidate(); |
| } |
| |
| private static Path makePath() { |
| Path path = new Path(); |
| buildPath(path); |
| return path; |
| } |
| |
| private static void buildPath(Path path) { |
| path.moveTo(0.0f, 0.0f); |
| path.cubicTo(0.0f, 0.0f, 100.0f, 150.0f, 100.0f, 200.0f); |
| path.cubicTo(100.0f, 200.0f, 50.0f, 300.0f, -80.0f, 200.0f); |
| path.cubicTo(-80.0f, 200.0f, 100.0f, 200.0f, 200.0f, 0.0f); |
| } |
| |
| @Override |
| protected void onDraw(Canvas canvas) { |
| super.onDraw(canvas); |
| |
| canvas.drawText(TEXT, 30.0f, 30.0f, mPaint); |
| mPaint.setTextAlign(Paint.Align.CENTER); |
| canvas.drawText(TEXT, 30.0f, 50.0f, mPaint); |
| mPaint.setTextAlign(Paint.Align.RIGHT); |
| canvas.drawText(TEXT, 30.0f, 70.0f, mPaint); |
| |
| canvas.save(); |
| canvas.translate(400.0f, 0.0f); |
| canvas.scale(3.0f, 3.0f); |
| mPaint.setTextAlign(Paint.Align.LEFT); |
| mPaint.setStrikeThruText(true); |
| canvas.drawText(TEXT, 30.0f, 30.0f, mPaint); |
| mPaint.setStrikeThruText(false); |
| mPaint.setTextAlign(Paint.Align.CENTER); |
| canvas.drawText(TEXT, 30.0f, 50.0f, mPaint); |
| mPaint.setTextAlign(Paint.Align.RIGHT); |
| canvas.drawText(TEXT, 30.0f, 70.0f, mPaint); |
| canvas.restore(); |
| |
| mPaint.setTextAlign(Paint.Align.LEFT); |
| canvas.translate(0.0f, 100.0f); |
| |
| canvas.save(); |
| canvas.scale(mScale, mScale); |
| canvas.drawText(TEXT, 30.0f, 30.0f, mPaint); |
| canvas.restore(); |
| |
| canvas.translate(0.0f, 250.0f); |
| canvas.save(); |
| canvas.scale(3.0f, 3.0f); |
| canvas.drawText(TEXT, 30.0f, 30.0f, mShadowPaint); |
| canvas.translate(100.0f, 0.0f); |
| // canvas.drawTextOnPath(TEXT + TEXT + TEXT, mPath, 0.0f, 0.0f, mPaint); |
| canvas.restore(); |
| |
| float width = mPaint.measureText(TEXT); |
| |
| canvas.translate(500.0f, 0.0f); |
| canvas.rotate(45.0f, width * 3.0f / 2.0f, 0.0f); |
| canvas.scale(3.0f, 3.0f); |
| canvas.drawText(TEXT, 30.0f, 30.0f, mPaint); |
| } |
| } |
| } |