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annotate scripts/plot/util/__next_line_style__.m @ 31212:55415fa6a20f

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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>
date Mon, 29 Aug 2022 16:36:34 +0200
parents 796f54d4ddbf
children 597f3ee61a48
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1 ########################################################################
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2 ##
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3 ## Copyright (C) 2010-2022 The Octave Project Developers
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4 ##
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5 ## See the file COPYRIGHT.md in the top-level directory of this
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6 ## distribution or <https://octave.org/copyright/>.
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7 ##
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8 ## This file is part of Octave.
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9 ##
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10 ## Octave is free software: you can redistribute it and/or modify it
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11 ## under the terms of the GNU General Public License as published by
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12 ## the Free Software Foundation, either version 3 of the License, or
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13 ## (at your option) any later version.
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14 ##
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15 ## Octave is distributed in the hope that it will be useful, but
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16 ## WITHOUT ANY WARRANTY; without even the implied warranty of
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17 ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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18 ## GNU General Public License for more details.
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19 ##
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20 ## You should have received a copy of the GNU General Public License
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21 ## along with Octave; see the file COPYING. If not, see
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22 ## <https://www.gnu.org/licenses/>.
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23 ##
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24 ########################################################################
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25
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26 ## -*- texinfo -*-
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27 ## @deftypefn {} {@var{style} =} __next_line_style__ (@var{reset})
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28 ## Undocumented internal function.
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29 ## @end deftypefn
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30
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31 ## Return the next line style in the rotation.
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32
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33
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34 function [linestyle, marker] = __next_line_style__ ()
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35
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36 ca = gca ();
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37
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38 styleorder = get (ca, "linestyleorder");
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39 if (isempty (styleorder))
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40 linestyle = "-"; # basic line
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41 marker = "none"; # no marker
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42 return;
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43 endif
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44
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45 if (ischar (styleorder))
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46 styleorder = cellstr (styleorder);
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47 endif
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48
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49 style_idx = fix (get (ca, "linestyleorderindex"));
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50 num_styles = rows (styleorder);
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51 style_idx = mod (style_idx, num_styles);
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52 if (style_idx == 0)
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53 style_idx = num_styles;
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54 elseif (style_idx < 0)
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55 style_idx = 1;
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56 endif
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57
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58 options = __pltopt__ ("__next_line_style__", styleorder{style_idx});
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59 linestyle = options.linestyle;
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60 marker = options.marker;
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61
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62 endfunction
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63
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64
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65 %!test
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66 %! hf = figure ("visible", "off");
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67 %! unwind_protect
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68 %! hax = axes ();
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69 %! set (hax, "colororder", [0 0 1]);
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70 %! set (hax, "linestyleorder", {"-", ":", "--"});
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71 %! hold on;
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72 %! h = plot (1:2,1:2, 2:3,2:3, 3:4,3:4);
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73 %! assert (get (h, "linestyle"), {"-"; ":"; "--"});
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74 %! cla (hax);
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75 %! hold on;
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76 %! h1 = plot (1:2,1:2);
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77 %! h2 = plot (2:3,2:3);
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78 %! h3 = plot (3:4,3:4);
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79 %! assert (get ([h1;h2;h3], "linestyle"), {"-"; ":"; "--"});
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80 %! unwind_protect_cleanup
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81 %! close (hf);
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82 %! end_unwind_protect