Conversion Tool class between bitmap, drawable, byte [], and inputstream

Package COM. soai. imdemo; import Java. io. bytearrayinputstream; import Java. io. bytearrayoutputstream; import Java. io. inputstream; import android. graphics. bitmap; import android. graphics. bitmapfactory; import android. graphics. canvas; import android. graphics. pixelformat; import android. graphics. drawable. bitmapdrawable; import android. graphics. drawable. drawable;/*** Conversion Tool class between bitmap and drawable and byte [] and inputstream * @ Author administrator **/public class formattools {Private Static formattools tools = new formattools (); public static formattools getinstance () {If (tools = NULL) {tools = new formattools (); Return tools;} return tools;} // convert byte [] to inputstreampublic inputstream byte2inputstream (byte [] B) {bytearrayinputstream BAIS = new bytearrayinputstream (B); Return BAIS;} // convert inputstream to byte [] public byte [] in Putstream2bytes (inputstream is) {string STR = ""; byte [] readbyte = new byte [1024]; int readcount =-1; try {While (readcount = is. read (readbyte, 0, 1024 ))! =-1) {STR + = new string (readbyte ). trim ();} return Str. getbytes ();} catch (exception e) {e. printstacktrace ();} return NULL;} // converts bitmap to inputstreampublic inputstream bitmap2inputstream (Bitmap BM) {bytearrayoutputstream baos = new bytearrayoutputstream (); BM. compress (bitmap. compressformat. JPEG, 100, baos); inputstream is = new bytearrayinputstream (baos. tobytearray (); return is;} // converts bitmap to inputstream Public inputstream bitmap2inputstream (Bitmap BM, int quality) {bytearrayoutputstream baos = new bytearrayoutputstream (); BM. compress (bitmap. compressformat. PNG, quality, baos); inputstream is = new bytearrayinputstream (baos. tobytearray (); return is;} // convert inputstream to bitmappublic bitmap inputstream2bitmap (inputstream is) {return bitmapfactory. decodestream (is);} // drawable to be converted to inputstreampublic inputstr Draeam wable2inputstream (drawable d) {Bitmap bitmap = This. drawable2bitmap (d); return this. bitmap2inputstream (Bitmap);} // converts inputstream to drawablepublic drawable inputstream2drawable (inputstream is) {Bitmap bitmap = This. inputstream2bitmap (is); return this. bitmap2drawable (Bitmap);} // converts drawable to byte [] public byte [] drawable2bytes (drawable d) {Bitmap bitmap = This. drawable2bitmap (d); return this. bitmap2b Ytes (Bitmap);} // byte [] to drawablepublic drawable bytes2drawable (byte [] B) {Bitmap bitmap = This. bytes2bitmap (B); return this. bitmap2drawable (Bitmap);} // converts bitmap to byte [] public byte [] bitmap2bytes (Bitmap BM) {bytearrayoutputstream baos = new bytearrayoutputstream (); BM. compress (bitmap. compressformat. PNG, 100, baos); Return baos. tobytearray ();} // byte [] is converted to bitmappublic bitmap bytes2bitmap (byte [] B) {if (B. length! = 0) {return bitmapfactory. decodebytearray (B, 0, B. length);} return NULL;} // drawable is converted to bitmappublic bitmap drawable2bitmap (drawable) {Bitmap bitmap = bitmap. createbitmap (drawable. getintrinsicwidth (), drawable. getintrinsicheight (), drawable. getopacity ()! = Pixelformat. opaque? Bitmap. config. argb_8888: bitmap. config. rgb_565); canvas = new canvas (Bitmap); drawable. setbounds (0, 0, drawable. getintrinsicwidth (), drawable. getintrinsicheight (); drawable. draw (canvas); Return bitmap;} // converts bitmap to drawablepublic drawable bitmap2drawable (Bitmap bitmap) {bitmapdrawable BD = new bitmapdrawable (Bitmap); drawable d = (drawable) BD; return D ;}}

Reprinted from: http://my.oschina.net/547217475/blog/93485