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annotate scripts/plot/util/graphics_toolkit.m @ 21511:e1c5aca1c798

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Fix failing tests when building with --without-opengl * graphics.cc, __osmesa_print__.cc, uimenu.m, allchild.m, findall.m, graphics_toolkit.m: Fix failing BIST tests when building with --without-opengl by adding HAVE_OPENGL to the test preconditions.
author Mike Miller <mtmiller@octave.org>
date Mon, 21 Mar 2016 15:01:12 -0700
parents 516bb87ea72e
children bac0d6f07a3e
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
19697
4197fc428c7d maint: Update copyright notices for 2015.
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1 ## Copyright (C) 2008-2015 Michael Goffioul
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2 ##
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3 ## This file is part of Octave.
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4 ##
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5 ## Octave is free software; you can redistribute it and/or modify it
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6 ## under the terms of the GNU General Public License as published by
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7 ## the Free Software Foundation; either version 3 of the License, or (at
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8 ## your option) any later version.
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9 ##
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10 ## Octave is distributed in the hope that it will be useful, but
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11 ## WITHOUT ANY WARRANTY; without even the implied warranty of
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12 ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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13 ## General Public License for more details.
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14 ##
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15 ## You should have received a copy of the GNU General Public License
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16 ## along with Octave; see the file COPYING. If not, see
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17 ## <http://www.gnu.org/licenses/>.
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18
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19 ## -*- texinfo -*-
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20 ## @deftypefn {} {@var{name} =} graphics_toolkit ()
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21 ## @deftypefnx {} {@var{name} =} graphics_toolkit (@var{hlist})
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22 ## @deftypefnx {} {} graphics_toolkit (@var{name})
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23 ## @deftypefnx {} {} graphics_toolkit (@var{hlist}, @var{name})
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24 ## Query or set the default graphics toolkit which is assigned to new figures.
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25 ##
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26 ## With no inputs, return the current default graphics toolkit. If the input
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27 ## is a list of figure graphic handles, @var{hlist}, then return the name
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28 ## of the graphics toolkit in use for each figure.
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29 ##
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30 ## When called with a single input @var{name} set the default graphics toolkit
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31 ## to @var{name}. If the toolkit is not already loaded, it is initialized by
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32 ## calling the function @code{__init_@var{name}__}. If the first input
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33 ## is a list of figure handles, @var{hlist}, then the graphics toolkit is set
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34 ## to @var{name} for these figures only.
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35 ##
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36 ## @seealso{available_graphics_toolkits}
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37 ## @end deftypefn
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38
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39 function retval = graphics_toolkit (name, hlist = [])
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40
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41 if (nargin > 2)
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42 print_usage ();
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43 endif
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44
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45 if (nargout > 0 || nargin == 0)
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46 retval = get (0, "defaultfigure__graphics_toolkit__");
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47 ## Handle case where graphics_toolkit has been called before any plotting
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48 if (isempty (retval))
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49 toolkits = available_graphics_toolkits ();
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50 if (any (strcmp ("qt", toolkits)))
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51 retval = "qt";
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52 elseif (any (strcmp ("fltk", toolkits)))
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53 retval = "fltk";
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54 elseif (! isempty (toolkits))
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55 retval = toolkits{1};
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56 endif
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57 endif
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58 endif
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59
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60 if (nargin == 0)
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61 return;
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62 elseif (nargin == 1)
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63 if (all (isfigure (name)))
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64 hlist = name;
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65 retval = get (hlist, "__graphics_toolkit__");
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66 return;
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67 elseif (! ischar (name))
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68 error ("graphics_toolkit: invalid graphics toolkit NAME");
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69 endif
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70 elseif (nargin == 2)
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71 ## Swap input arguments
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72 [hlist, name] = deal (name, hlist);
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73 if (! all (isfigure (hlist)))
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74 error ("graphics_toolkit: invalid figure handle list HLIST");
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75 elseif (! ischar (name))
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76 error ("graphics_toolkit: invalid graphics toolkit NAME");
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77 endif
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78 endif
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79
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80 if (! any (strcmp (available_graphics_toolkits (), name)))
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81 error ("graphics_toolkit: %s toolkit is not available", name);
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82 endif
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83
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84 if (! any (strcmp (loaded_graphics_toolkits (), name)))
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85 ## FIXME: Special gnuplot handling for versions < 4.2.5 (bug #44978).
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86 ## This can probably be deleted in the future once RHEL upgrades gnuplot.
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87 if (strcmp (name, "gnuplot"))
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88 valid_version = __gnuplot_has_feature__ ("minimum_version");
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89 if (valid_version != 1)
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90 error ("graphics_toolkit: gnuplot version too old.");
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91 endif
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92 endif
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93 feval (["__init_", name, "__"]);
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94 if (! any (strcmp (loaded_graphics_toolkits (), name)))
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95 error ("graphics_toolkit: %s toolkit was not correctly loaded", name);
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96 endif
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97 endif
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98
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99 if (isempty (hlist))
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100 set (0, "defaultfigure__graphics_toolkit__", name);
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101 else
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102 set (hlist, "__graphics_toolkit__", name);
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103 endif
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104
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105 endfunction
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106
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107
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108 %!testif HAVE_OPENGL, HAVE_FLTK
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109 %! unwind_protect
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110 %! hf = figure ("visible", "off");
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111 %! toolkit = graphics_toolkit ();
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112 %! assert (get (0, "defaultfigure__graphics_toolkit__"), toolkit);
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113 %! graphics_toolkit (hf, "fltk");
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114 %! assert (graphics_toolkit (hf), "fltk");
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115 %! unwind_protect_cleanup
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116 %! close (hf);
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117 %! end_unwind_protect
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118
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119 %!testif HAVE_OPENGL, HAVE_FLTK
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120 %! old_toolkit = graphics_toolkit ();
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121 %! switch (old_toolkit)
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122 %! case {"gnuplot"}
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123 %! new_toolkit = "fltk";
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124 %! otherwise
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125 %! new_toolkit = "gnuplot";
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126 %! endswitch
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127 %! assert (graphics_toolkit (new_toolkit), old_toolkit);
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Rik <octave@nomad.inbox5.com>
parents: 14277
diff changeset
128 %! assert (graphics_toolkit (old_toolkit), new_toolkit);
14046
c3fab3891460 Trivial bug fixes for graphics_toolkit().
Ben Abbott <bpabbott@mac.com>
parents: 14021
diff changeset
129