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+// SPDX-License-Identifier: GPL-2.0-or-later
+#ifndef SEEN_INKSCAPE_EXTENSION_INTERNAL_FILTER_DISTORT_H__
+#define SEEN_INKSCAPE_EXTENSION_INTERNAL_FILTER_DISTORT_H__
+/* Change the 'DISTORT' above to be your file name */
+
+/*
+ * Copyright (C) 2011 Authors:
+ * Ivan Louette (filters)
+ * Nicolas Dufour (UI) <nicoduf@yahoo.fr>
+ *
+ * Distort filters
+ * Felt Feather
+ * Roughen
+ *
+ * Released under GNU GPL v2+, read the file 'COPYING' for more information.
+ */
+/* ^^^ Change the copyright to be you and your e-mail address ^^^ */
+
+#include "filter.h"
+
+#include "extension/internal/clear-n_.h"
+#include "extension/system.h"
+#include "extension/extension.h"
+
+namespace Inkscape {
+namespace Extension {
+namespace Internal {
+namespace Filter {
+
+/**
+ \brief Custom predefined FeltFeather filter.
+
+ Blur and displace edges of shapes and pictures
+
+ Filter's parameters:
+ * Type (enum, default "In") ->
+ in = map (in="composite3")
+ out = map (in="blur")
+ * Horizontal blur (0.01->30., default 15) -> blur (stdDeviation)
+ * Vertical blur (0.01->30., default 15) -> blur (stdDeviation)
+ * Dilatation (n-1th value, 0.->100., default 1) -> colormatrix (matrix)
+ * Erosion (nth value, 0.->100., default 0) -> colormatrix (matrix)
+ * Stroke (enum, default "Normal") ->
+ Normal = composite4 (operator="atop")
+ Wide = composite4 (operator="over")
+ Narrow = composite4 (operator="in")
+ No fill = composite4 (operator="xor")
+ * Roughness (group)
+ * Turbulence type (enum, default fractalNoise else turbulence) -> turbulence (type)
+ * Horizontal frequency (0.001->1., default 0.05) -> turbulence (baseFrequency [/100])
+ * Vertical frequency (0.001->1., default 0.05) -> turbulence (baseFrequency [/100])
+ * Complexity (1->5, default 3) -> turbulence (numOctaves)
+ * Variation (0->100, default 0) -> turbulence (seed)
+ * Intensity (0.0->100., default 30) -> displacement (scale)
+*/
+
+class FeltFeather : public Inkscape::Extension::Internal::Filter::Filter {
+protected:
+ gchar const * get_filter_text (Inkscape::Extension::Extension * ext) override;
+
+public:
+ FeltFeather ( ) : Filter() { };
+ ~FeltFeather ( ) override { if (_filter != nullptr) g_free((void *)_filter); return; }
+
+ static void init () {
+ // clang-format off
+ Inkscape::Extension::build_from_mem(
+ "<inkscape-extension xmlns=\"" INKSCAPE_EXTENSION_URI "\">\n"
+ "<name>" N_("Felt Feather") "</name>\n"
+ "<id>org.inkscape.effect.filter.FeltFeather</id>\n"
+ "<param name=\"type\" gui-text=\"" N_("Type:") "\" type=\"optiongroup\" appearance=\"combo\">\n"
+ "<option value=\"in\">" N_("In") "</option>\n"
+ "<option value=\"out\">" N_("Out") "</option>\n"
+ "</param>\n"
+ "<param name=\"hblur\" gui-text=\"" N_("Horizontal blur") "\" type=\"float\" appearance=\"full\" precision=\"2\" min=\"0.01\" max=\"30.00\">15</param>\n"
+ "<param name=\"vblur\" gui-text=\"" N_("Vertical blur") "\" type=\"float\" appearance=\"full\" precision=\"2\" min=\"0.01\" max=\"30.00\">15</param>\n"
+ "<param name=\"dilat\" gui-text=\"" N_("Dilatation") "\" type=\"float\" appearance=\"full\" precision=\"2\" min=\"0\" max=\"100\">1</param>\n"
+ "<param name=\"erosion\" gui-text=\"" N_("Erosion") "\" type=\"float\" appearance=\"full\" precision=\"2\" min=\"0\" max=\"100\">0</param>\n"
+ "<param name=\"stroke\" gui-text=\"" N_("Stroke:") "\" type=\"optiongroup\" appearance=\"combo\">\n"
+ "<option value=\"atop\">" N_("Normal") "</option>\n"
+ "<option value=\"over\">" N_("Wide") "</option>\n"
+ "<option value=\"in\">" N_("Narrow") "</option>\n"
+ "<option value=\"xor\">" N_("No fill") "</option>\n"
+ "</param>\n"
+ "<param name=\"turbulence\" indent=\"1\" gui-text=\"" N_("Turbulence:") "\" type=\"optiongroup\" appearance=\"combo\">\n"
+ "<option value=\"fractalNoise\">" N_("Fractal noise") "</option>\n"
+ "<option value=\"turbulence\">" N_("Turbulence") "</option>\n"
+ "</param>\n"
+ "<param name=\"hfreq\" gui-text=\"" N_("Horizontal frequency") "\" type=\"float\" appearance=\"full\" precision=\"2\" min=\"0.01\" max=\"100.\">5</param>\n"
+ "<param name=\"vfreq\" gui-text=\"" N_("Vertical frequency") "\" type=\"float\" appearance=\"full\" precision=\"2\" min=\"0.01\" max=\"100.\">5</param>\n"
+ "<param name=\"complexity\" gui-text=\"" N_("Complexity") "\" type=\"int\" appearance=\"full\" min=\"1\" max=\"5\">3</param>\n"
+ "<param name=\"variation\" gui-text=\"" N_("Variation") "\" type=\"int\" appearance=\"full\" min=\"1\" max=\"100\">0</param>\n"
+ "<param name=\"intensity\" gui-text=\"" N_("Intensity") "\" type=\"float\" appearance=\"full\" min=\"0.0\" max=\"100\">30</param>\n"
+ "<effect>\n"
+ "<object-type>all</object-type>\n"
+ "<effects-menu>\n"
+ "<submenu name=\"" N_("Filters") "\">\n"
+ "<submenu name=\"" N_("Distort") "\"/>\n"
+ "</submenu>\n"
+ "</effects-menu>\n"
+ "<menu-tip>" N_("Blur and displace edges of shapes and pictures") "</menu-tip>\n"
+ "</effect>\n"
+ "</inkscape-extension>\n", new FeltFeather());
+ // clang-format on
+ };
+
+};
+
+gchar const *
+FeltFeather::get_filter_text (Inkscape::Extension::Extension * ext)
+{
+ if (_filter != nullptr) g_free((void *)_filter);
+
+
+ std::ostringstream hblur;
+ std::ostringstream vblur;
+ std::ostringstream dilat;
+ std::ostringstream erosion;
+
+ std::ostringstream turbulence;
+ std::ostringstream hfreq;
+ std::ostringstream vfreq;
+ std::ostringstream complexity;
+ std::ostringstream variation;
+ std::ostringstream intensity;
+
+ std::ostringstream map;
+ std::ostringstream stroke;
+
+ hblur << ext->get_param_float("hblur");
+ vblur << ext->get_param_float("vblur");
+ dilat << ext->get_param_float("dilat");
+ erosion << -ext->get_param_float("erosion");
+
+ turbulence << ext->get_param_optiongroup("turbulence");
+ hfreq << ext->get_param_float("hfreq") / 100;
+ vfreq << ext->get_param_float("vfreq") / 100;
+ complexity << ext->get_param_int("complexity");
+ variation << ext->get_param_int("variation");
+ intensity << ext->get_param_float("intensity");
+
+ stroke << ext->get_param_optiongroup("stroke");
+
+ const gchar *maptype = ext->get_param_optiongroup("type");
+ if (g_ascii_strcasecmp("in", maptype) == 0) {
+ map << "composite3";
+ } else {
+ map << "blur";
+ }
+
+ // clang-format off
+ _filter = g_strdup_printf(
+ "<filter xmlns:inkscape=\"http://www.inkscape.org/namespaces/inkscape\" x=\"-0.3\" width=\"1.6\" y=\"-0.3\" height=\"1.6\" style=\"color-interpolation-filters:sRGB;\" inkscape:label=\"Felt Feather\">\n"
+ "<feGaussianBlur stdDeviation=\"%s %s\" result=\"blur\" />\n"
+ "<feComposite in=\"SourceGraphic\" in2=\"blur\" operator=\"atop\" result=\"composite1\" />\n"
+ "<feComposite in2=\"composite1\" operator=\"in\" result=\"composite2\" />\n"
+ "<feComposite in2=\"composite2\" operator=\"in\" result=\"composite3\" />\n"
+ "<feTurbulence type=\"%s\" numOctaves=\"%s\" seed=\"%s\" baseFrequency=\"%s %s\" result=\"turbulence\" />\n"
+ "<feDisplacementMap in=\"%s\" in2=\"turbulence\" xChannelSelector=\"R\" scale=\"%s\" yChannelSelector=\"G\" result=\"map\" />\n"
+ "<feColorMatrix values=\"1 0 0 0 0 0 1 0 0 0 0 0 1 0 0 0 0 0 %s %s \" result=\"colormatrix\" />\n"
+ "<feComposite in=\"composite3\" in2=\"colormatrix\" operator=\"%s\" result=\"composite4\" />\n"
+ "</filter>\n", hblur.str().c_str(), vblur.str().c_str(),
+ turbulence.str().c_str(), complexity.str().c_str(), variation.str().c_str(), hfreq.str().c_str(), vfreq.str().c_str(),
+ map.str().c_str(), intensity.str().c_str(), dilat.str().c_str(), erosion.str().c_str(), stroke.str().c_str() );
+ // clang-format on
+
+ return _filter;
+}; /* Felt feather filter */
+
+/**
+ \brief Custom predefined Roughen filter.
+
+ Small-scale roughening to edges and content
+
+ Filter's parameters:
+ * Turbulence type (enum, default fractalNoise else turbulence) -> turbulence (type)
+ * Horizontal frequency (0.001->10., default 0.013) -> turbulence (baseFrequency [/100])
+ * Vertical frequency (0.001->10., default 0.013) -> turbulence (baseFrequency [/100])
+ * Complexity (1->5, default 5) -> turbulence (numOctaves)
+ * Variation (1->360, default 1) -> turbulence (seed)
+ * Intensity (0.0->50., default 6.6) -> displacement (scale)
+*/
+
+class Roughen : public Inkscape::Extension::Internal::Filter::Filter {
+protected:
+ gchar const * get_filter_text (Inkscape::Extension::Extension * ext) override;
+
+public:
+ Roughen ( ) : Filter() { };
+ ~Roughen ( ) override { if (_filter != nullptr) g_free((void *)_filter); return; }
+
+ static void init () {
+ // clang-format off
+ Inkscape::Extension::build_from_mem(
+ "<inkscape-extension xmlns=\"" INKSCAPE_EXTENSION_URI "\">\n"
+ "<name>" N_("Roughen") "</name>\n"
+ "<id>org.inkscape.effect.filter.Roughen</id>\n"
+ "<param name=\"type\" gui-text=\"" N_("Turbulence type:") "\" type=\"optiongroup\" appearance=\"combo\">\n"
+ "<option value=\"fractalNoise\">" N_("Fractal noise") "</option>\n"
+ "<option value=\"turbulence\">" N_("Turbulence") "</option>\n"
+ "</param>\n"
+ "<param name=\"hfreq\" gui-text=\"" N_("Horizontal frequency") "\" type=\"float\" appearance=\"full\" precision=\"2\" min=\"0.1\" max=\"1000.00\">1.3</param>\n"
+ "<param name=\"vfreq\" gui-text=\"" N_("Vertical frequency") "\" type=\"float\" appearance=\"full\" precision=\"2\" min=\"0.1\" max=\"1000.00\">1.3</param>\n"
+ "<param name=\"complexity\" gui-text=\"" N_("Complexity") "\" type=\"int\" appearance=\"full\" min=\"1\" max=\"5\">5</param>\n"
+ "<param name=\"variation\" gui-text=\"" N_("Variation") "\" type=\"int\" appearance=\"full\" min=\"1\" max=\"360\">0</param>\n"
+ "<param name=\"intensity\" gui-text=\"" N_("Intensity") "\" type=\"float\" appearance=\"full\" min=\"0.0\" max=\"50\">6.6</param>\n"
+ "<effect>\n"
+ "<object-type>all</object-type>\n"
+ "<effects-menu>\n"
+ "<submenu name=\"" N_("Filters") "\">\n"
+ "<submenu name=\"" N_("Distort") "\"/>\n"
+ "</submenu>\n"
+ "</effects-menu>\n"
+ "<menu-tip>" N_("Small-scale roughening to edges and content") "</menu-tip>\n"
+ "</effect>\n"
+ "</inkscape-extension>\n", new Roughen());
+ // clang-format on
+ };
+
+};
+
+gchar const *
+Roughen::get_filter_text (Inkscape::Extension::Extension * ext)
+{
+ if (_filter != nullptr) g_free((void *)_filter);
+
+ std::ostringstream type;
+ std::ostringstream hfreq;
+ std::ostringstream vfreq;
+ std::ostringstream complexity;
+ std::ostringstream variation;
+ std::ostringstream intensity;
+
+ type << ext->get_param_optiongroup("type");
+ hfreq << ext->get_param_float("hfreq") / 100;
+ vfreq << ext->get_param_float("vfreq") / 100;
+ complexity << ext->get_param_int("complexity");
+ variation << ext->get_param_int("variation");
+ intensity << ext->get_param_float("intensity");
+
+ // clang-format off
+ _filter = g_strdup_printf(
+ "<filter xmlns:inkscape=\"http://www.inkscape.org/namespaces/inkscape\" style=\"color-interpolation-filters:sRGB;\" inkscape:label=\"Roughen\">\n"
+ "<feTurbulence type=\"%s\" numOctaves=\"%s\" seed=\"%s\" baseFrequency=\"%s %s\" result=\"turbulence\" />\n"
+ "<feDisplacementMap in=\"SourceGraphic\" in2=\"turbulence\" scale=\"%s\" yChannelSelector=\"G\" xChannelSelector=\"R\" />\n"
+ "</filter>\n", type.str().c_str(), complexity.str().c_str(), variation.str().c_str(), hfreq.str().c_str(), vfreq.str().c_str(), intensity.str().c_str());
+ // clang-format on
+
+ return _filter;
+}; /* Roughen filter */
+
+}; /* namespace Filter */
+}; /* namespace Internal */
+}; /* namespace Extension */
+}; /* namespace Inkscape */
+
+/* Change the 'DISTORT' below to be your file name */
+#endif /* SEEN_INKSCAPE_EXTENSION_INTERNAL_FILTER_DISTORT_H__ */
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