--- /dev/null
+## Copyright (C) 2005-2012 John W. Eaton
+##
+## This file is part of Octave.
+##
+## Octave is free software; you can redistribute it and/or modify it
+## under the terms of the GNU General Public License as published by
+## the Free Software Foundation; either version 3 of the License, or (at
+## your option) any later version.
+##
+## Octave is distributed in the hope that it will be useful, but
+## WITHOUT ANY WARRANTY; without even the implied warranty of
+## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+## General Public License for more details.
+##
+## You should have received a copy of the GNU General Public License
+## along with Octave; see the file COPYING. If not, see
+## <http://www.gnu.org/licenses/>.
+
+## -*- texinfo -*-
+## @deftypefn {Function File} {} __go_draw_figure__ (@var{h}, @var{plot_stream}, @var{enhanced}, @var{mono})
+## Undocumented internal function.
+## @end deftypefn
+
+## Author: jwe
+
+function __go_draw_figure__ (h, plot_stream, enhanced, mono)
+
+ if (nargin == 4)
+ htype = get (h, "type");
+ if (strcmp (htype, "figure"))
+ ## Get complete list of children.
+ kids = allchild (h);
+ nkids = length (kids);
+
+ if (nkids > 0)
+ fputs (plot_stream, "\nreset;\n");
+ fputs (plot_stream, "set autoscale keepfix;\n");
+ fputs (plot_stream, "set origin 0, 0\n");
+ fputs (plot_stream, "set size 1, 1\n");
+ bg = get (h, "color");
+ if (isnumeric (bg))
+ fprintf (plot_stream, "set obj 1 rectangle from screen 0,0 to screen 1,1 behind fc rgb \"#%02x%02x%02x\"\n", 255 * bg);
+ bg_is_set = true;
+ else
+ bg_is_set = false;
+ endif
+
+ for i = nkids:-1:1
+ type = get (kids(i), "type");
+ switch (type)
+ case "axes"
+ if (strcmpi (get (kids (i), "tag"), "legend"))
+ ## This is so ugly. If there was a way of getting
+ ## gnuplot to give us the text extents of strings
+ ## then we could get rid of this mess.
+ lh = getfield (get (kids(i), "userdata"), "handle");
+ if (isscalar (lh))
+ ## We have a legend with a single parent. It'll be handled
+ ## below as a gnuplot key to the axis it corresponds to
+ continue;
+ else
+ ca = lh(1);
+ ## Rely upon listener to convert axes position
+ ## to "normalized" units.
+ legend_axes_units = get (kids(i), "units");
+ legend_axes_position = get (kids(i), "position");
+ legend_axes_outerposition = get (kids(i), "outerposition");
+ legend_axes_box = get (kids(i), "box");
+ legend_axes_ylim = get (kids(i), "ylim");
+ orig_axes_units = get (ca, "units");
+ hlgnd = get (kids(i));
+
+ unwind_protect
+ set (ca, "units", "normalized");
+ set (kids(i), "units", "normalized", "box", "off",
+ "ylim", [-2, -1], "position", get (ca(1), "position"),
+ "outerposition", get (ca(1), "outerposition"));
+
+ ## Create a new set of lines with the appropriate
+ ## displaynames, etc
+ toberm = [];
+ hobj = get (kids(i), "children");
+ for j = numel (hobj) : -1 : 1
+ if (! strcmp (get (hobj(j), "type"), "text"))
+ continue;
+ endif
+ displayname = get (hobj(j), "string");
+ ll = [];
+ lm = [];
+ for k = numel (hobj) : -1 : 1
+ if (! strcmp (get (hobj(k), "type"), "line"))
+ continue;
+ endif
+ if (get (hobj(j), "userdata")
+ != get (hobj(k), "userdata"))
+ continue;
+ endif
+ if (! strcmp (get (hobj(k), "linestyle"), "none"))
+ ll = hobj(k);
+ endif
+ if (! strcmp (get (hobj(k), "marker"), "none"))
+ lm = hobj(k);
+ endif
+ endfor
+
+ if (! isempty (ll))
+ if (!isempty (lm))
+ toberm = [toberm, line("xdata",[0,0],"ydata",[0,0], "color", get(lm,"color"), "linestyle", get(ll,"linestyle"), "marker", get(lm,"marker"), "markeredgecolor", get(lm,"markeredgecolor"), "markerfacecolor", get(lm,"markerfacecolor"), "markersize", get (lm, "markersize"), "displayname", displayname, "parent", kids(i))];
+ else
+ toberm = [toberm, line("xdata",[0,0],"ydata",[0,0], "color", get(ll,"color"), "linestyle", get(ll,"linestyle"), "marker", "none", "displayname", displayname, "parent", kids(i))];
+ endif
+ elseif (! isempty (lm))
+ toberm = [toberm, line("xdata",[0,0],"ydata",[0,0], "color", get(lm,"color"), "linestyle", "none", "marker", get(lm,"marker"), "markeredgecolor", get(lm,"markeredgecolor"), "markerfacecolor", get(lm,"markerfacecolor"), "markersize", get (lm, "markersize"), "displayname", displayname, "parent", kids(i))];
+ endif
+ endfor
+ if (bg_is_set)
+ fprintf (plot_stream, "set border linecolor rgb \"#%02x%02x%02x\"\n", 255 * (1 - bg));
+ endif
+ __go_draw_axes__ (kids(i), plot_stream, enhanced, mono,
+ bg_is_set, false, hlgnd);
+ unwind_protect_cleanup
+ ## Return axes "units" and "position" back to
+ ## their original values.
+ set (ca, "units", orig_axes_units);
+ set (kids(i), "units", legend_axes_units,
+ "box", legend_axes_box,
+ "ylim", legend_axes_ylim,
+ "position", legend_axes_position,
+ "outerposition", legend_axes_outerposition);
+ delete (toberm);
+ bg_is_set = false;
+ end_unwind_protect
+ endif
+ else
+ ## Rely upon listener to convert axes position
+ ## to "normalized" units.
+ orig_axes_units = get (kids(i), "units");
+ orig_axes_position = get (kids(i), "position");
+ unwind_protect
+ set (kids(i), "units", "normalized");
+ fg = get (kids(i), "color");
+ if (isnumeric (fg) && strcmp (get (kids(i), "visible"), "on"))
+ fprintf (plot_stream, "set obj 2 rectangle from graph 0,0 to graph 1,1 behind fc rgb \"#%02x%02x%02x\"\n", 255 * fg);
+ fg_is_set = true;
+ else
+ fg_is_set = false;
+ endif
+ if (bg_is_set)
+ fprintf (plot_stream, "set border linecolor rgb \"#%02x%02x%02x\"\n", 255 * (1 - bg));
+ endif
+ ## Find if this axes has an associated legend axes and pass it
+ ## to __go_draw_axes__
+ hlegend = [];
+ fkids = get (h, "children");
+ for j = 1 : numel(fkids)
+ if (ishandle (fkids (j))
+ && strcmp (get (fkids (j), "type"), "axes")
+ && (strcmp (get (fkids (j), "tag"), "legend")))
+ udata = get (fkids (j), "userdata");
+ if (isscalar(udata.handle)
+ && ! isempty (intersect (udata.handle, kids (i))))
+ hlegend = get (fkids (j));
+ break;
+ endif
+ endif
+ endfor
+ __go_draw_axes__ (kids(i), plot_stream, enhanced, mono,
+ bg_is_set, fg_is_set, hlegend);
+ unwind_protect_cleanup
+ ## Return axes "units" and "position" back to
+ ## their original values.
+ set (kids(i), "units", orig_axes_units);
+ set (kids(i), "position", orig_axes_position);
+ bg_is_set = false;
+ fg_is_set = false;
+ end_unwind_protect
+ endif
+ case "uimenu"
+ ## ignore uimenu objects
+ otherwise
+ error ("__go_draw_figure__: unknown object class, %s", type);
+ endswitch
+ endfor
+ fputs (plot_stream, "\nunset multiplot;\n");
+ else
+ fputs (plot_stream, "\nreset; clear;\n");
+ fflush (plot_stream);
+ endif
+ else
+ error ("__go_draw_figure__: expecting figure object, found `%s'",
+ htype);
+ endif
+ else
+ print_usage ();
+ endif
+
+endfunction
+
git://git.creatis.insa-lyon.fr / CreaPhase.git / blobdiff