[Octave-bug-tracker] [bug #48842] grid overwrites axis box when both are displayed

[Rik]

Follow-up Comment #6, bug #48842 (project octave):

@Pantxo's patch works for me with the Qt toolkit.  With the FLTK toolkit, no
grid is displayed.  It seems to still be behind the axes planes.

This is annoying, but maybe the draw_axes_plane routine needs to be broken up.
 It can use a GL_PATH or GL_QUADS to produce the colored background.  And then
a separate function which uses GL_LINES or GL_LINE_LOOP to draw the outline
part of the axes.  The outline part could be called after the grid has been
drawn.

This would probably also be helpful for supporting the 'origin' specification
for xaxislocation and yaxislocation.


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