workspace/ksplash/ksplashx/utils/prepareanim.cpp

   1 // This tool creates png image with animation (see README)
   2
   3 #include <QFile>
   4 #include <QImage>
   5
   6 #include <stdlib.h>
   7 #include <kdebug.h>
   8 #include <stdio.h>
   9
  10 const int ANIM_IMAGES_ROW = 10; // must match splash
  11
  12 int main( int argc, char* argv[] )
  13     {
  14     // <list of images in order>
  15     if( argc < 2 )
  16         return 1;
  17     const int ARGC_DIFF = 1;
  18     int frames = argc - ARGC_DIFF;
  19     QImage result;
  20     for( int frame = 0;
  21          frame < frames;
  22          ++frame )
  23         {
  24         QImage fr( argv[ ARGC_DIFF + frame ] );
  25         if( fr.isNull())
  26             return 2;
  27         int w = fr.width();
  28         int h = fr.height();
  29         if( result.isNull())
  30             { // initialize
  31             if( frames < ANIM_IMAGES_ROW )
  32                 result = QImage( frames * w, h, QImage::Format_ARGB32 );
  33             else
  34                 result = QImage( ANIM_IMAGES_ROW * w, ( frames + ANIM_IMAGES_ROW - 1 ) / ANIM_IMAGES_ROW * h, QImage::Format_ARGB32 );
  35             }
  36         int basex = ( frame % ANIM_IMAGES_ROW ) * w;
  37         int basey = frame / ANIM_IMAGES_ROW * h;
  38         for( int y = 0;
  39              y < h;
  40              ++y )
  41             for( int x = 0;
  42                  x < w;
  43                  ++x )
  44                 result.setPixel( basex + x, basey + y, fr.pixel( x, y ));
  45         }
  46     result.save( "result.png", "PNG" );
  47     }