Marco, Thanks a ton !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
You have been really comprehensive in your explanations. I am obliged. Thanks again (a ton !!) On Mon, Oct 22, 2012 at 10:56 PM, Marco Antonio Islas Cruz < [email protected]> wrote: > > On Oct 22, 2012, at 12:14 PM, Ajay Garg <[email protected]> wrote: > > > a) > Can the dialog, that asks for the printer-to-be-used, be avoided too? > (Because I just wish to export to PDF, nothing else). > > As an example > > filename = './ultimafactura.pdf' > po.set_export_filename(filename) > action = gtk.PRINT_OPERATION_ACTION_EXPORT > response = po.run(action) > > where 'po' is the print Operation, you need to set the action > gtk.PRINT_OPERATION_ACTION_EXPORT and set your filename, then just run the > print operation, since it is not gtk.PRINT_OPERATION_ACTION_PRINT_DIALOG > it will not show the dialog, and it is > not gtk.PRINT_OPERATION_ACTION_PRINT either it will not send the print to > the selected printer (in case you selected a printer). > > > > b) > I understand that the page would need to be "drawn" in memory, if we were > to export an image. > However, is that required for a text-document too? > > Yes, you have to draw, this is the hard part when printing, You can just > populate your cairo surface but if you want to have a pretty formatted text > you'll need to draw it. Please note, you are not exactly drawing in the > same sense than drawing a circle or a rectangle, you'll need to use pango > to create the text forms and attach them to the Cairo surface > > > c) > Also, I am still a bit unclear on the backend code. > You mean to say that *"only"* GTK has the backend code, and Cairo/Pango > are just to handle the drawing part? > > > * Gtk is the one that gives you the print operation, also, responsible > for the events and all that stuff. > * Cairo is the one in charge to draw, it gives you canvas, context and > other stuff to "draw" > * Pango handle pretty text, also, is the interface for your text to be > handled by Cairo. > > Marco Antonio Islas Cruz > [email protected] > [email protected] > <-- linux because I'm free --> > > > > Regards, Ajay
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