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/*
* 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);
}
}
}
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