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/*
* 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.os.Bundle;
import android.view.View;
@SuppressWarnings({"UnusedDeclaration"})
public class LinesActivity extends Activity {
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
final LinesView view = new LinesView(this);
setContentView(view);
}
public static class LinesView extends View {
private static final boolean LINE_AA = false;
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;
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
};
}
@Override
protected void onDraw(Canvas canvas) {
super.onDraw(canvas);
canvas.drawARGB(255, 255, 255, 255);
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);
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.scale(10.0f, 10.0f);
canvas.drawLine(50.0f, 40.0f, 10.0f, 40.0f, mSmallPaint);
canvas.drawLine(10.0f, 50.0f, 50.0f, 50.0f, mSmallPaint);
canvas.drawLine(10.0f, 60.0f, 50.0f, 60.0f, mHairLinePaint);
canvas.restore();
}
}
}
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