workspace/ksplash/ksplashx/scale/main.cpp

   1 #include <unistd.h>
   2 #include <QImage>
   3 #include <QFile>
   4 #include <kcomponentdata.h>
   5 #include <kstandarddirs.h>
   6 #include <utime.h>
   7 #include <stdlib.h>
   8 #include <stdio.h>
   9
  10 int main( int argc, char* argv[] )
  11     {
  12     if( argc != 10 )
  13         return 1;
  14     QString theme = argv[ 1 ];
  15     QString file = argv[ 2 ];
  16     QString real_file = argv[ 3 ];
  17     int width = atoi( argv[ 4 ] );
  18     int height = atoi( argv[ 5 ] );
  19     int res_w = atoi( argv[ 6 ] );
  20     int res_h = atoi( argv[ 7 ] );
  21     time_t timestamp = atol( argv[ 8 ] );
  22     bool locolor = strcmp( argv[ 9 ], "locolor" ) == 0;
  23     KComponentData k( "ksplashx_scale" );
  24     QString outfile = QString( "ksplashx/%1-%2x%3%4-%5" ).arg( theme ).arg( res_w ).arg( res_h )
  25         .arg( locolor ? "-locolor" : "" ).arg( file );
  26     outfile = KStandardDirs::locateLocal( "cache", outfile );
  27     QImage img( real_file );
  28     if( img.isNull())
  29         return 2;
  30     QImage img2 = img.scaled(width, height, Qt::IgnoreAspectRatio, Qt::SmoothTransformation);
  31     if( img2.save( outfile + ".tmp", "PNG" ))
  32         {
  33         rename( QFile::encodeName( outfile + ".tmp" ), QFile::encodeName( outfile ));
  34         utimbuf tm;
  35         tm.actime = tm.modtime = timestamp;
  36         utime( QFile::encodeName( outfile ), &tm );
  37         }
  38     else
  39         {
  40         unlink( QFile::encodeName( outfile ));
  41         unlink( QFile::encodeName( outfile + ".tmp" ));
  42         return 3;
  43         }
  44     return 0;
  45     }