Mercurial > octave-dspies
view examples/unwinddemo.cc @ 18702:8969bd721448
Fix Z-depth issues of patches and lines in 2-D plots (bug #40722).
* gl-render.cc (draw_patch): Call patch_tesselator constructor with
a negative Z-offset for glPolygonOffset to pull it forward of line objects
at Z=0.
author | Rik <rik@octave.org> |
---|---|
date | Tue, 29 Apr 2014 11:39:58 -0700 |
parents | be41c30bcb44 |
children |
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#include <octave/oct.h> #include <octave/unwind-prot.h> void my_err_handler (const char *fmt, ...) { // Do nothing!! } DEFUN_DLD (unwinddemo, args, nargout, "Unwind Demo") { octave_value retval; int nargin = args.length (); if (nargin < 2) print_usage (); else { NDArray a = args(0).array_value (); NDArray b = args(1).array_value (); if (! error_state) { // Declare unwind_protect frame which lasts as long as // the variable frame has scope. unwind_protect frame; frame.protect_var (current_liboctave_warning_handler); set_liboctave_warning_handler (my_err_handler); retval = octave_value (quotient (a, b)); } } return retval; }