Method CreateOneImageCache

libraries/lib-theme/Theme.cpp:572–726

}

bool ThemeBase::CreateOneImageCache( teThemeType id, bool bBinarySave )
{
   SwitchTheme( id );
   auto &resources = *mpSet;

   wxImage ImageCache( ImageCacheWidth, ImageCacheHeight );
   ImageCache.SetRGB( wxRect( 0,0,ImageCacheWidth, ImageCacheHeight), 1,1,1);//Not-quite black.

   // Ensure we have an alpha channel...
   if( !ImageCache.HasAlpha() )
   {
      ImageCache.InitAlpha();
   }

   FlowPacker context{ ImageCacheWidth };

//#define IMAGE_MAP
#ifdef IMAGE_MAP
   wxLogDebug( wxT("<img src=\"ImageCache.png\" usemap=\"#map1\">" ));
   wxLogDebug( wxT("<map name=\"map1\">") );
#endif

   // Save the bitmaps
   for (size_t i = 0; i < resources.mImages.size() ; ++i)
   {
      wxImage &SrcImage = resources.mImages[i];
      context.mFlags = mBitmapFlags[i];
      if( !(mBitmapFlags[i] & resFlagInternal) )
      {
         context.GetNextPosition( SrcImage.GetWidth(), SrcImage.GetHeight());
         ImageCache.SetRGB( context.Rect(), 0xf2, 0xb0, 0x27 );
         if( !(context.mFlags & resFlagSkip) )
            PasteSubImage( &ImageCache, &SrcImage, 
               context.mxPos + context.mBorderWidth,
               context.myPos + context.mBorderWidth);
         else
            ImageCache.SetRGB( context.RectInner(), 1,1,1);
#ifdef IMAGE_MAP
         // No href in html.  Uses title not alt.
         wxRect R( context.Rect() );
         wxLogDebug( wxT("<area title=\"Bitmap:%s\" shape=rect coords=\"%i,%i,%i,%i\">"),
            mBitmapNames[i],
            R.GetLeft(), R.GetTop(), R.GetRight(), R.GetBottom() );
#endif
      }
   }

   // Now save the colours.
   int x,y;

   context.SetColourGroup();
   for (size_t i = 0; i < resources.mColours.size(); ++i)
   {
      context.GetNextPosition( iColSize, iColSize );
      wxColour c = resources.mColours[i];
      ImageCache.SetRGB( context.Rect() , 0xf2, 0xb0, 0x27 );
      ImageCache.SetRGB( context.RectInner() , c.Red(), c.Green(), c.Blue() );