Hi Goran, Roman Lygin explained on his blog how to set a background gradient color. It surely could be ported to python, see http://opencascade.blogspot.com/2008/12/sexy-background.html.
Which OS do you run? Many issues were reported with Intel graphic card on Linux. Thomas 2011/1/27 Goran Lukic <goranl...@gmail.com> > Hello Community, > > using background image in QtApp causes pythonOCC to run very slow.(move, > pan, rotate, etc..) > therefore, i must use only background color until i figure it out how to > set gradient color :) > > nevermind,i think there is a problem with my intel graphic card. > > hier is code, but please note: > in case you already set background image for example > 'default_background.bmp', > you must set new 'dummy_background.bmp' (1px x 1px) with option > Stretch=False > and only after that you can apply new background color. > > p.s. i made "dummy_background.bmp" please find attached and put this file > in /OCC/Display > > # > # QColorDialog class provides a dialog widget for specifying colors. > # > def set_background_color( self ): > color=QtGui.QColorDialog.getColor() > if( color.isValid() ): > R = color.red() / 255. > G = color.green() / 255. > B = color.blue() / 255. > print "%f: %f: %f" % (R, G, B) > self.SetBackgroundImage( self.get_dummy_bg_abs_filename(), > Stretch=False ) > self.View.SetBackgroundColor( Quantity_TOC_RGB, R1, G1, B1 ) > self.Repaint() > > def get_dummy_bg_abs_filename ( self ): > occ_package = sys.modules['OCC'] > dummy_bg_abs_filename = os.path.join( occ_package.__path__[0], > 'Display', 'dummy_background.bmp' ) > if not os.path.isfile( dummy_bg_abs_filename ): > raise NameError( 'No image dummy found.' ) > else: > return dummy_bg_abs_filename > > > > > > > _______________________________________________ > Pythonocc-users mailing list > Pythonocc-users@gna.org > https://mail.gna.org/listinfo/pythonocc-users > >
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