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//
// Scilab ( http://www.scilab.org/ ) - This file is part of Scilab
// Copyright (C) DIGITEO - 2010-2010 - Clément DAVID
//
// This file must be used under the terms of the CeCILL.
// This source file is licensed as described in the file COPYING, which
// you should have received as part of this distribution. The terms
// are also available at
// http://www.cecill.info/licences/Licence_CeCILL_V2.1-en.txt
//
//
// Generate a block image from the instance.
//
// @param block the block instance
// @param path output file path
// @param[opt] filename the file name to use (without extension).
// The default is `block.gui'.
// @param[opt] imageType the exported image type. only "svg", "gif", "jpg" is
// supported. The default is to use "gif".
// @param[opt] withPort true if the exported image should contains the port,
// false otherwise. The default is value is true.
// @return status %T if the operation has been sucessfull, %F otherwise.
function status = generateBlockImage(block, path, filename, imageType, withPort)
status = %f;
// call loadXcosLibs if not loaded
if exists("scicos_diagram", "a") == 0 then loadXcosLibs(); end
[lhs,rhs] = argn(0)
if rhs < 2 | rhs > 6 then
error(msprintf(gettext("%s: Wrong number of input arguments: %d to %d expected.\n"), "generateBlockImage", 2, 4));
end
if typeof(block) <> "Block" then
error(msprintf(gettext("%s: Wrong type for input argument ""%s"": Block type expected.\n"), "generateBlockImage", "block"));
end
if typeof(path) <> "string" | ~isdir(path) then
error(msprintf(gettext("%s: Wrong type for input argument ""%s"": directory path string expected.\n"), "generateBlockImage", "path"));
end
// generate a default graphic or clear the existing one
if exists("imageType", "l") == 0 then
imageType = "gif";
else
if typeof(imageType) <> "string" | and(imageType <> ["svg", "gif", "jpg"]) then
error(msprintf(gettext("%s: Wrong input argument ""%s"": ""svg"", ""gif"" or ""jpg"" expected.\n"), "generateBlockImage", "imageType"));
end
end
if exists("withPort", "l") == 0 then
withPort = %t;
end
// set the default outFile
if exists("filename", "l") == 0 then
outFile = path + "/" + block.gui + "." + imageType;
else
if typeof(filename) <> "string" | size(filename, "*") <> 1 then
error(msprintf(gettext("%s: Wrong type for input argument ""%s"": string expected.\n"), "generateBlockImage", "filename"));
end
outFile = path + "/" + filename + "." + imageType;
end
// if the gr_i value of a bloc is empty, return
if (block.graphics.gr_i(1) == []) then
mputl("<svg/>", outFile);
status = %t;
return
end
// set export properties before creating any graphic object (including any figure)
previous_driver = driver(imageType);
xinit(outFile);
handle = gcf();
if ~withPort then
prot = funcprot();
function standard_draw_port(varargin)
endfunction
standard_draw_port_up = standard_draw_port;
funcprot(prot);
end
// constants
diagram = scicos_diagram();
options = diagram.props.options;
options("3D")(1) = %f;
sz = block.graphics.sz;
orig = block.graphics.orig;
gh_axes = gca();
gh_curwin = handle;
// draw settings
// note that the gh_axes variable have to be known on the "plot" call
gh_axes.fractional_font = "off";
gh_axes.arc_drawing_method = "lines";
o_size = size(gh_axes.children);
gh_axes.data_bounds = [orig(1), orig(2); sz(1), orig(2)+sz(2)];
gh_axes.isoview = "on";
gh_axes.margins = 0.01 * ones(1, 4);
gh_axes.box ="off";
handle.axes_size = [max(20, 20 * sz(1)), max(20, 20 * sz(2))];
// Create variable o because needed inside "plot"
o = block;
ierr = execstr("block = " + o.gui + "(""plot"",o)", "errcatch");
if (ierr <> 0) then
return;
end
// export
try
xend();
status = %t;
catch
status = %f;
end
// post operations
driver(previous_driver);
endfunction
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