| /* |
| * Copyright (C) 2012 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.Canvas; |
| import android.graphics.Color; |
| import android.graphics.LinearGradient; |
| import android.graphics.Paint; |
| import android.graphics.Shader; |
| import android.os.Bundle; |
| import android.view.View; |
| |
| @SuppressWarnings("UnusedDeclaration") |
| public class GradientStopsActivity extends Activity { |
| @Override |
| protected void onCreate(Bundle savedInstanceState) { |
| super.onCreate(savedInstanceState); |
| |
| setContentView(new GradientView(this)); |
| } |
| |
| private class GradientView extends View { |
| public GradientView(Context context) { |
| super(context); |
| } |
| |
| @Override |
| protected void onDraw(Canvas canvas) { |
| int[] colors = new int[] { 0xffff0000, 0xff0000ff }; |
| float[] positions = new float[] { 0.3f, 0.6f }; |
| LinearGradient gradient = new LinearGradient(0.0f, 0.0f, 256.0f, 0.0f, |
| colors, positions, Shader.TileMode.CLAMP); |
| |
| Paint paint = new Paint(); |
| paint.setShader(gradient); |
| |
| canvas.drawRect(0.0f, 0.0f, 256.0f, 50.0f, paint); |
| |
| colors = new int[] { 0xffff0000, 0xff0000ff, 0xff00ff00 }; |
| positions = new float[] { 0.3f, 0.6f, 1.0f }; |
| gradient = new LinearGradient(0.0f, 0.0f, 256.0f, 0.0f, |
| colors, positions, Shader.TileMode.CLAMP); |
| |
| paint.setShader(gradient); |
| |
| canvas.translate(0.0f, 75.0f); |
| canvas.drawRect(0.0f, 0.0f, 256.0f, 50.0f, paint); |
| |
| colors = new int[] { 0xffff0000, 0xff0000ff, 0xff00ff00 }; |
| positions = new float[] { 0.0f, 0.3f, 0.6f }; |
| gradient = new LinearGradient(0.0f, 0.0f, 256.0f, 0.0f, |
| colors, positions, Shader.TileMode.CLAMP); |
| |
| paint.setShader(gradient); |
| |
| canvas.translate(0.0f, 75.0f); |
| canvas.drawRect(0.0f, 0.0f, 256.0f, 50.0f, paint); |
| |
| colors = new int[] { 0xff000000, 0xffffffff }; |
| gradient = new LinearGradient(0.0f, 0.0f, 256.0f, 0.0f, |
| colors, null, Shader.TileMode.CLAMP); |
| |
| paint.setShader(gradient); |
| |
| canvas.translate(0.0f, 75.0f); |
| canvas.drawRect(0.0f, 0.0f, 256.0f, 50.0f, paint); |
| |
| gradient = new LinearGradient(0.0f, 0.0f, 256.0f, 0.0f, |
| colors, null, Shader.TileMode.REPEAT); |
| |
| paint.setShader(gradient); |
| |
| canvas.translate(0.0f, 75.0f); |
| canvas.drawRect(0.0f, 0.0f, 768.0f, 50.0f, paint); |
| |
| gradient = new LinearGradient(0.0f, 0.0f, 256.0f, 0.0f, |
| colors, null, Shader.TileMode.MIRROR); |
| |
| paint.setShader(gradient); |
| |
| canvas.translate(0.0f, 75.0f); |
| canvas.drawRect(0.0f, 0.0f, 768.0f, 50.0f, paint); |
| |
| gradient = new LinearGradient(0.0f, 0.0f, 256.0f, 0.0f, |
| colors, null, Shader.TileMode.CLAMP); |
| |
| paint.setShader(gradient); |
| |
| canvas.translate(0.0f, 75.0f); |
| canvas.drawRect(0.0f, 0.0f, 768.0f, 50.0f, paint); |
| |
| gradient = new LinearGradient(0.0f, 0.0f, 768.0f, 0.0f, |
| colors, null, Shader.TileMode.CLAMP); |
| |
| paint.setShader(gradient); |
| |
| canvas.translate(0.0f, 75.0f); |
| canvas.drawRect(0.0f, 0.0f, 768.0f, 50.0f, paint); |
| |
| gradient = new LinearGradient(0.0f, 0.0f, 512.0f, 0.0f, |
| colors, null, Shader.TileMode.CLAMP); |
| |
| paint.setShader(gradient); |
| |
| canvas.translate(0.0f, 75.0f); |
| canvas.drawRect(0.0f, 0.0f, 512.0f, 50.0f, paint); |
| } |
| } |
| } |