Re: [Rosegarden-devel] Problem using QPainter reference from NotePixmapPainter

[Guillaume L. <gla...@te...>]

Stephen Torri wrote:

>I have placed the code for generating a fretboard image in the
>NotePixmapFactory (see makeFretboardPixmap function). Looking at the
>class I saw that I could grab a reference to the QPainter object and
>pass that along to the Fingering object to draw the contents of the
>chord. Well the result image returned back after calling
>makeCanvasPixmap is blank.
>  
>
Common errors are : not calling begin() or end() on the QPainter (or not 
constructing it properly), or simply drawing outside of the pixmap's 
boundary.

>At present the code exists in the guitar_chord_editor branch and will
>print out the resulting image to a file "Fretboard.png" (used for
>testing purposes). I would appreciate someone looking at the code and
>see where I am going wrong.
>  
>
Which class exactly ?

-- 
Guillaume
http://telegraph-road.org