SorrySend images to ServletIn that article, I ignored a detail and did not convert the data type. This will cause image pixel loss and distortion of the images sent to the server. Please forgive us for the inconvenience caused by updating the code again. Public synchronized void connhttp (){
While (true ){
System. Out. println ("httpconn wait now ");
If (midplet. getissending ())){
System. Out. println ("Search ");
Try {
Con = (httpconnection) connector. Open (URL );
Con. setrequestmethod (httpconnection. post );
Con. setrequestproperty ("If-modified-since ",
"29 Oct 1999 19:43:31 GMT ");
Con. setrequestproperty ("User-Agent ",
"Profile/MIDP-2.0 configuration/CLDC-1.0 ");
Con. setrequestproperty ("content-language", "En-us "); OS = new dataoutputstream (con. openoutputstream ());
Int [] rgbarg = new int [100*100];
Midplet. getimage (). getrgb (rgbarg, 0,100, 100,100 );
Byte [] bytes = inttobyte (rgbarg );
OS. Write (bytes ); // For (INT I = 0; I <rgbarg. length; I ++ ){
// OS. writeint (rgbarg [I]);
// System. Out. println (rgbarg [I]);
//} OS. Flush (); } Catch (exception e ){
System. Out. println ("conn Err ");
E. printstacktrace ();
} Finally {
If (OS! = NULL ){
Try {
OS. Close ();
Midplet. setissending (false );
Midplet. setissend (true );
} Catch (ioexception IOE ){};
}
} Midplet. setissending (false );
Midplet. setissend (true );
}
Try {
Wait ();
} Catch (exception e ){
System. Out. println ("Wait exception ");
E. printstacktrace ();
}
} } Public synchronized void wakeup (){
Policyall ();
}
Private byte [] inttobyte (INT [] ints ){
Byte [] bytes = new byte [ints. length * 4];
For (INT I = 0; I <ints. length; I ++ ){
Bytes [I * 4] = (byte) (0xff & (ints [I] >>> 24 ));
Bytes [I * 4 + 1] = (byte) (0xff & (ints [I] >>> 16 ));
Bytes [I * 4 + 2] = (byte) (0xff & (ints [I] >>> 8 ));
Bytes [I * 4 + 3] = (byte) (0xff & (ints [I] >>> 0 ));
If (I <100 ){
System. Out. println (ints [I]);
}
} Return bytes;
} The client is more than the previous one. The inttobyte () method obtains an array of the byte type, which is directly sent to the server, restore the byte array to an int array. ========================================================== =
Private void createiamge (datainputstream Io, outputstream out ){
Int width = 100;
Int Height = 100;
Int [] RGB = new int [width * Height];
Try {
Int [] bytes = new int [RGB. length * 4];
// Io. readu (bytes );
// RGB = bytetoint (bytes );
For (INT I = 0; I <bytes. length; I ++ ){
Bytes [I] = Io. readunsignedbyte ();
}
Bytetoint (bytes, RGB ); } Catch (ioexception IOE) {IOE. printstacktrace ();}
Bufferedimage Bi = new bufferedimage (width, height, bufferedimage. type_int_rgb );
Bi. setrgb (100,100, 0,100, RGB );
Bi. Flush ();
// Encode:
Required imageencoder encoder = required codec. createjpegencoder (out );
Export encodeparam Param = encoder. getdefaultjpegencodeparam (BI );
Param. setquality (1.0f, false );
Encoder. setincluencodeparam (PARAM );
System. Out. println ("yeah ");
Try {
Encoder. encode (BI );
}
Catch (ioexception IOE ){
IOE. printstacktrace ();
} } Private void bytetoint (INT [] bytes, int [] RGB ){ For (INT I = 0; I <RGB. length; I ++ ){
RGB [I] = (
(Bytes [I * 4] & 0xff) <24) |
(Bytes [I * 4 + 1] & 0xff) <16) |
(Bytes [I * 4 + 2] & 0xff) <8) |
(Bytes [I * 4 + 3] & 0xff) <0 ));
// System. Out. Print (ints [I] + "/t" + (ints [I] <8) + "/t ");
If (I <100 ){ System. Out. println (RGB [I]); }
} } The above is the server code, with emphasis on readunsignedbyte. Otherwise, it is difficult to restore the int type. |
