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This commit is contained in:
Moxie Marlinspike
2011-12-20 10:20:44 -08:00
commit bbea3fe1b1
397 changed files with 48065 additions and 0 deletions
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src/org/thoughtcrime/securesms/util/Util.java Normal file
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/**
* Copyright (C) 2011 Whisper Systems
*
* 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.thoughtcrime.securesms.util;
public class Util {
public static byte[] combine(byte[] one, byte[] two) {
byte[] combined = new byte[one.length + two.length];
System.arraycopy(one, 0, combined, 0, one.length);
System.arraycopy(two, 0, combined, one.length, two.length);
return combined;
}
public static byte[] combine(byte[] one, byte[] two, byte[] three) {
byte[] combined = new byte[one.length + two.length + three.length];
System.arraycopy(one, 0, combined, 0, one.length);
System.arraycopy(two, 0, combined, one.length, two.length);
System.arraycopy(three, 0, combined, one.length + two.length, three.length);
return combined;
}
public static byte[] combine(byte[] one, byte[] two, byte[] three, byte[] four) {
byte[] combined = new byte[one.length + two.length + three.length + four.length];
System.arraycopy(one, 0, combined, 0, one.length);
System.arraycopy(two, 0, combined, one.length, two.length);
System.arraycopy(three, 0, combined, one.length + two.length, three.length);
System.arraycopy(four, 0, combined, one.length + two.length + three.length, four.length);
return combined;
}
public static String[] splitString(String string, int maxLength) {
int count = string.length() / maxLength;
if (string.length() % maxLength > 0)
count++;
String[] splitString = new String[count];
for (int i=0;i<count-1;i++)
splitString[i] = string.substring(i*maxLength, (i*maxLength) + maxLength);
splitString[count-1] = string.substring((count-1) * maxLength);
return splitString;
}
// public static Bitmap loadScaledBitmap(InputStream src, int targetWidth, int targetHeight) {
// return BitmapFactory.decodeStream(src);
//// BitmapFactory.Options options = new BitmapFactory.Options();
//// options.inJustDecodeBounds = true;
//// BitmapFactory.decodeStream(src, null, options);
////
//// Log.w("Util", "Bitmap Origin Width: " + options.outWidth);
//// Log.w("Util", "Bitmap Origin Height: " + options.outHeight);
////
//// boolean scaleByHeight =
//// Math.abs(options.outHeight - targetHeight) >=
//// Math.abs(options.outWidth - targetWidth);
////
//// if (options.outHeight * options.outWidth >= targetWidth * targetHeight * 2) {
//// double sampleSize = scaleByHeight ? (double)options.outHeight / (double)targetHeight : (double)options.outWidth / (double)targetWidth;
////// options.inSampleSize = (int)Math.pow(2d, Math.floor(Math.log(sampleSize) / Math.log(2d)));
//// Log.w("Util", "Sampling by: " + options.inSampleSize);
//// }
////
//// options.inJustDecodeBounds = false;
////
//// return BitmapFactory.decodeStream(src, null, options);
// }
}