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Re: high quality 'old' direct graphics [message #73808 is a reply to message #73710] Thu, 25 November 2010 03:32 Go to previous message
greg.addr is currently offline  greg.addr
Messages: 160
Registered: May 2007
Senior Member
> I used just modified the code for gmwindow::tv (since display uses the
> tv command).
> It seems to work. Or did I do something wrong?

I don't know that routine, but if it works, I should think you did it
right! The main thing is to ensure that all the arguments get passed
on to the routine, and that any which need scaling up for the larger
pixmap rendering get multiplied by the scaling factor self.f

tv has the peculiarity that images in postscript seem to be rendered
'to fit' the plot area, whereas on the screen they appear at true
pixel scale. This is the reason for the ppcm_screen scaling.

regards,
Greg

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