128x128 main application icon (OSX, Linux Desktop)
 * xjadeoH128.png
 -> contrib/pkg-osx/Jadeo.icns

192x110, splash screen
 GIMP header image file format (save as .h)
 * xjadeoH.h

48x48 icon, windows application
 * xjadeoH.ico

32x32 icon, taskbar.
 * xjadeo8.xpm   // main file, color, display_glx.c, display_x11.c
 * xjadeo8.ico   // 8bit color version, -- not directly used
 * xjadeo8_ico.h // xxd -i xjadeo8.ico; display_gl_win.c
 -> contrib/pkg-osx/Jadeo.icns

combination, 2 layer: 32x32, 48x48: xjadeo8.ico + xjadeoH.ico
 * xjadeo_win.ico // windows NSI package, app icon


color-EQ symbols for On Screen Display
xbm + mask: 1 bit black/white + 1 bit transparency
 * osd_bitmaps.h // includes the individual files:
 * brightness.bitmap brightness_mask.xbm
 * contrast.bitmap contrast_mask.xbm
 * gamma.bitmap gamma_mask.xbm
 * hue.bitmap hue_mask.xbm
 * saturation.bitmap saturation_mask.xbm
