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