Create Scaled Bitmap : Bitmap « 2D Graphics « Android

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Android » 2D Graphics » Bitmap 
Create Scaled Bitmap
    
/*
 * http://code.google.com/p/ametro/
 * Transport map viewer for Android platform
 * Copyright (C) 2009-2010 contacts@ametro.org Roman Golovanov and other
 * respective project committers (see project home page)
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 *  
 */

//package org.ametro.util;

import android.graphics.Bitmap;
import android.graphics.BitmapFactory;

 class BitmapUtil {

  public static Bitmap createScaledBitmap(String path, float scale, boolean filtering){
    Bitmap src = BitmapFactory.decodeFile(path);
    int width = (int)( src.getWidth() * scale + 0.5f);
    int height = (int)( src.getHeight() * scale + 0.5f);
    return Bitmap.createScaledBitmap(src, width, height, filtering);
  }
  
}

   
    
    
    
  
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1.Using BitmapFactory to decode Resource
2.Capture and save to Bitmap
3.Bitmap size
4.Draw Bitmap on Canvas
5.Bitmap.createBitmap
6.Draw Bitmap on Canvas with Matrix
7.Create a Bitmap for drawing
8.Load Bitmap and Draw
9.Bitmap and RenderScript
10.Alpha Bitmap
11.Load Bitmap from InputStream
12.Bitmap Decode
13.Bitmap Mesh
14.Bitmap Pixels
15.Create a Bitmap
16.Bitmap.Config.ARGB_8888,Bitmap.Config.RGB_565, Bitmap.Config.ARGB_4444
17.Purgeable Bitmap
18.Create a bitmap with a circle
19.This activity demonstrates various ways density can cause the scaling of bitmaps and drawables.
20.Get the current system wallpaper, modifies it and sets the modified bitmap as system wallpaper.
21.Bitmap cache by WeakHashMap
22.Memory Cache for Bitmap
23.Load Bitmap from resource
24.Crop Bitmap
25.downloading a bitmap image from http and setting it to given image view asynchronously
26.Get Bitmap From Local Path
27.Get Bitmap From Bytes
28.Compress Bitmap
29.Resize Bitmap
30.captures given view and converts it to a bitmap
31.Save Bitmap and BitmapFactory.decodeFile
32.Generate a blurred bitmap from given one
33.Get Bitmap From Name
34.Load Bitmap with Context
35.Load Bitmap from InputStream
36.Get Bitmap from Url with HttpURLConnection
37.Rotate Bitmap
38.Get Texture From Bitmap Resource and BitmapFactory.decodeStream
39.Drawable to Bitmap
40.Save Bitmap to and load from External Storage
41.Get Image Bitmap From Url
42.Scale Bitmap
43.Unscaled Bitmap Loader
44.Save Bitmap to External Storage Directory
45.Compress and save Bitmap image
46.Bitmap downloading, processing
47.Rotate a Bitmap
48.Save/load Bitmap
49.Find components of color of the bitmap at x, y.
50.get Bitmap From Url
51.Draw Bitmap and Drawable
52.Rotate, transform Bitmap
53.Rotate specified Bitmap by a random angle. Scales the specified Bitmap to fit within the specified dimensions.
54.Loads a bitmap from the specified url.
55.Bitmap Refelection
56.Create a transparent bitmap from an existing bitmap by replacing certain color with transparent
57.Get Texture From Bitmap Resource
58.Bitmap Resize
59.bitmap to Byte
60.Flip Image
61.Scale an Image
62.Translate Image
63.Image Mirror
64.Moving an Image with Motion
65.Draw on Picture and save
66.Calculate optimal preview size from given parameters
67.generate Mipmaps For Bound Texture
68.Provides common tools for manipulating Bitmap objects.
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