Mega Code Archive
Save Bitmap to External Storage Directory
<![CDATA[
// Copyright (C) 2009-2010 Mihai Preda
//package calculator;
import android.graphics.Bitmap;
import android.os.Environment;
import android.os.Build;
import java.nio.ShortBuffer;
import java.io.*;
class Util {
public static final int SDK_VERSION = getSdkVersion();
private static int getSdkVersion() {
try {
return Integer.parseInt(Build.VERSION.SDK);
} catch (NumberFormatException e) {
return 3;
}
}
static String saveBitmap(Bitmap bitmap, String dir, String baseName) {
try {
File sdcard = Environment.getExternalStorageDirectory();
File pictureDir = new File(sdcard, dir);
pictureDir.mkdirs();
File f = null;
for (int i = 1; i < 200; ++i) {
String name = baseName + i + ".png";
f = new File(pictureDir, name);
if (!f.exists()) {
break;
}
}
if (!f.exists()) {
String name = f.getAbsolutePath();
FileOutputStream fos = new FileOutputStream(name);
bitmap.compress(Bitmap.CompressFormat.PNG, 100, fos);
fos.flush();
fos.close();
return name;
}
} catch (Exception e) {
} finally {
/*
if (fos != null) {
fos.close();
}
*/
}
return null;
}
static void bitmapBGRtoRGB(Bitmap bitmap, int width, int height) {
int size = width * height;
short data[] = new short[size];
ShortBuffer buf = ShortBuffer.wrap(data);
bitmap.copyPixelsToBuffer(buf);
for (int i = 0; i < size; ++i) {
//BGR-565 to RGB-565
short v = data[i];
data[i] = (short) (((v&0x1f) << 11) | (v&0x7e0) | ((v&0xf800) >> 11));
}
buf.rewind();
bitmap.copyPixelsFromBuffer(buf);
}
}
]]>