Mercurial > octave
view examples/code/structdemo.cc @ 31212:55415fa6a20f
svgconvert: Use Lossless encoding of images when available (bug #52193)
* acinclude.m4: Check that QPainter::LosslessImageRendering flag is available.
* octave-svgconvert.cc (draw): Use new flag if available.
* print.m (doc): Update word of caution about svgconvert and images.
author | Pantxo Diribarne <pantxo.diribarne@gmail.com> |
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date | Mon, 29 Aug 2022 16:36:34 +0200 |
parents | 7ed6b258db91 |
children |
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#include <octave/oct.h> #include <octave/ov-struct.h> DEFUN_DLD (structdemo, args, , "Struct Demo") { if (args.length () != 2) print_usage (); if (! args(0).isstruct ()) error ("structdemo: ARG1 must be a struct"); octave_scalar_map arg0 = args(0).scalar_map_value (); //octave_map arg0 = args(0).map_value (); if (! args(1).is_string ()) error ("structdemo: ARG2 must be a character string"); std::string arg1 = args(1).string_value (); octave_value tmp = arg0.contents (arg1); //octave_value tmp = arg0.contents (arg1)(0); if (! tmp.is_defined ()) error ("structdemo: struct does not have a field named '%s'\n", arg1.c_str ()); octave_scalar_map st; st.assign ("selected", tmp); return octave_value (st); }