draw Shade on Canvas - Android Graphics

Android examples for Graphics:Canvas

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Description

draw Shade on Canvas

Demo Code

/*/*from  ww w .  j  a  v a 2s. co m*/
 * Copyright (C) 2013 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.java2s;
import android.graphics.Canvas;
import android.graphics.Color;

import android.graphics.Paint;

import android.graphics.RectF;

public class Main {
    public static void drawShade(Canvas canvas, RectF bounds) {
        int w = canvas.getWidth();
        int h = canvas.getHeight();
        Paint p = new Paint();
        p.setStyle(Paint.Style.FILL);
        p.setColor(Color.BLACK & 0x88000000);

        RectF r = new RectF();
        r.set(0, 0, w, bounds.top);
        canvas.drawRect(r, p);
        r.set(0, bounds.top, bounds.left, h);
        canvas.drawRect(r, p);
        r.set(bounds.left, bounds.bottom, w, h);
        canvas.drawRect(r, p);
        r.set(bounds.right, bounds.top, w, bounds.bottom);
        canvas.drawRect(r, p);
    }
}

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