Android example source code file (FastBitmapDrawable.java)

This example Android source code file (FastBitmapDrawable.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Android by Example" ^TM.

Java - Android tags/keywords

android, bitmap, drawable, drawing, fastbitmapdrawable, graphics, override, paint, ui

The FastBitmapDrawable.java Android example source code

/*
 * Copyright (C) 2008 Google Inc.
 *
 * 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.google.android.photostream;

import android.graphics.drawable.Drawable;
import android.graphics.Bitmap;
import android.graphics.Canvas;
import android.graphics.PixelFormat;
import android.graphics.ColorFilter;

class FastBitmapDrawable extends Drawable {
    private Bitmap mBitmap;

    FastBitmapDrawable(Bitmap b) {
        mBitmap = b;
    }

    @Override
    public void draw(Canvas canvas) {
        canvas.drawBitmap(mBitmap, 0.0f, 0.0f, null);
    }

    @Override
    public int getOpacity() {
        return PixelFormat.TRANSLUCENT;
    }

    @Override
    public void setAlpha(int alpha) {
    }

    @Override
    public void setColorFilter(ColorFilter cf) {
    }

    @Override
    public int getIntrinsicWidth() {
        return mBitmap.getWidth();
    }

    @Override
    public int getIntrinsicHeight() {
        return mBitmap.getHeight();
    }

    @Override
    public int getMinimumWidth() {
        return mBitmap.getWidth();
    }

    @Override
    public int getMinimumHeight() {
        return mBitmap.getHeight();
    }

    public Bitmap getBitmap() {
        return mBitmap;
    }
}