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 */
5 /*
6 * Copyright (C) 2011 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 ^^^ */
17 #include "filter.h"
19 #include "extension/internal/clear-n_.h"
20 #include "extension/system.h"
21 #include "extension/extension.h"
23 namespace Inkscape {
24 namespace Extension {
25 namespace Internal {
26 namespace Filter {
28 /**
29 \brief Custom predefined Cross-smooth filter.
31 Smooth the outside of shapes and pictures.
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 */
40 class Crosssmooth : public Inkscape::Extension::Internal::Filter::Filter {
41 protected:
42 virtual gchar const * get_filter_text (Inkscape::Extension::Extension * ext);
44 public:
45 Crosssmooth ( ) : Filter() { };
46 virtual ~Crosssmooth ( ) { if (_filter != NULL) g_free((void *)_filter); return; }
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 (Morphology)") "</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 };
70 };
72 gchar const *
73 Crosssmooth::get_filter_text (Inkscape::Extension::Extension * ext)
74 {
75 if (_filter != NULL) g_free((void *)_filter);
77 std::ostringstream blur;
78 std::ostringstream c1in;
80 blur << ext->get_param_float("blur");
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 }
89 _filter = g_strdup_printf(
90 "<filter xmlns:inkscape=\"http://www.inkscape.org/namespaces/inkscape\" color-interpolation-filters=\"sRGB\" inkscape:label=\"Cross-smooth, custom\">\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());
98 return _filter;
99 }; /* Crosssmooth filter */
101 }; /* namespace Filter */
102 }; /* namespace Internal */
103 }; /* namespace Extension */
104 }; /* namespace Inkscape */
106 /* Change the 'MORPHOLOGY' below to be your file name */
107 #endif /* __INKSCAPE_EXTENSION_INTERNAL_FILTER_MORPHOLOGY_H__ */