src/extension/internal/filter/morphology.h

   1 #ifndef __INKSCAPE_EXTENSION_INTERNAL_FILTER_MORPHOLOGY_H__
   2 #define __INKSCAPE_EXTENSION_INTERNAL_FILTER_MORPHOLOGY_H__
   3 /* Change the 'MORPHOLOGY' above to be your file name */
   4
   5 /*
   6  * Copyright (C) 2010 Authors:
   7  *   Ivan Louette (filters)
   8  *   Nicolas Dufour (UI) <nicoduf@yahoo.fr>
   9  *
  10  * Morphology filters
  11  *   Cross-smooth
  12  *
  13  * Released under GNU GPL, read the file 'COPYING' for more information
  14  */
  15 /* ^^^ Change the copyright to be you and your e-mail address ^^^ */
  16
  17 #include "filter.h"
  18
  19 #include "extension/internal/clear-n_.h"
  20 #include "extension/system.h"
  21 #include "extension/extension.h"
  22
  23 namespace Inkscape {
  24 namespace Extension {
  25 namespace Internal {
  26 namespace Filter {
  27
  28 /**
  29     \brief    Custom predefined Cross-smooth filter.
  30
  31     Smooth the outside of shapes and pictures.
  32
  33     Filter's parameters:
  34     * Type (enum, default "Smooth edges") ->
  35         Smooth edges = composite1 (in="SourceGraphic", in2="blur")
  36         Smooth all = composite1 (in="blur", in2="blur")
  37     * Blur (0.01->10., default 5.) -> blur (stdDeviation)
  38 */
  39
  40 class Crosssmooth : public Inkscape::Extension::Internal::Filter::Filter {
  41 protected:
  42         virtual gchar const * get_filter_text (Inkscape::Extension::Extension * ext);
  43
  44 public:
  45         Crosssmooth ( ) : Filter() { };
  46         virtual ~Crosssmooth ( ) { if (_filter != NULL) g_free((void *)_filter); return; }
  47
  48         static void init (void) {
  49                 Inkscape::Extension::build_from_mem(
  50                         "<inkscape-extension xmlns=\"" INKSCAPE_EXTENSION_URI "\">\n"
  51                                 "<name>" N_("Cross-smooth, custom -EXP-") "</name>\n"
  52                                 "<id>org.inkscape.effect.filter.Crosssmooth</id>\n"
  53                         "<param name=\"type\" gui-text=\"" N_("Type:") "\" type=\"enum\">\n"
  54                             "<_item value=\"edges\">Smooth edges</_item>\n"
  55                             "<_item value=\"all\">Smooth all</_item>\n"
  56                         "</param>\n"
  57                         "<param name=\"blur\" gui-text=\"" N_("Blur:") "\" type=\"float\" min=\"0.01\" max=\"10\">5</param>\n"
  58                                 "<effect>\n"
  59                                         "<object-type>all</object-type>\n"
  60                                         "<effects-menu>\n"
  61                                                 "<submenu name=\"" N_("Filters") "\">\n"
  62                                                 "<submenu name=\"" N_("Experimental") "\"/>\n"
  63                               "</submenu>\n"
  64                                         "</effects-menu>\n"
  65                                         "<menu-tip>" N_("Smooth edges and angles of shapes") "</menu-tip>\n"
  66                                 "</effect>\n"
  67                         "</inkscape-extension>\n", new Crosssmooth());
  68         };
  69
  70 };
  71
  72 gchar const *
  73 Crosssmooth::get_filter_text (Inkscape::Extension::Extension * ext)
  74 {
  75         if (_filter != NULL) g_free((void *)_filter);
  76
  77     std::ostringstream blur;
  78     std::ostringstream c1in;
  79
  80     blur << ext->get_param_float("blur");
  81
  82     const gchar *type = ext->get_param_enum("type");
  83     if((g_ascii_strcasecmp("all", type) == 0)) {
  84         c1in << "blur";
  85     } else {
  86         c1in << "SourceGraphic";
  87     }
  88
  89         _filter = g_strdup_printf(
  90                 "<filter xmlns:inkscape=\"http://www.inkscape.org/namespaces/inkscape\" color-interpolation-filters=\"sRGB\" inkscape:label=\"Cross-smooth, custom -EXP-\">\n"
  91         "<feGaussianBlur stdDeviation=\"%s\" result=\"blur\" />\n"
  92         "<feComposite in=\"%s\" in2=\"blur\" operator=\"atop\" result=\"composite1\" />\n"
  93         "<feComposite in2=\"composite1\" operator=\"in\" result=\"composite2\" />\n"
  94         "<feComposite in2=\"composite2\" operator=\"in\" result=\"composite3\" />\n"
  95         "<feColorMatrix values=\"1 0 0 0 0 0 1 0 0 0 0 0 1 0 0 0 0 0 20 -10 \" result=\"colormatrix\" />\n"
  96         "</filter>\n", blur.str().c_str(), c1in.str().c_str());
  97
  98         return _filter;
  99 }; /* Crosssmooth filter */
 100
 101 }; /* namespace Filter */
 102 }; /* namespace Internal */
 103 }; /* namespace Extension */
 104 }; /* namespace Inkscape */
 105
 106 /* Change the 'COLOR' below to be your file name */
 107 #endif /* __INKSCAPE_EXTENSION_INTERNAL_FILTER_MORPHOLOGY_H__ */