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Diffstat (limited to '')
-rw-r--r-- | src/extension/internal/filter/protrusions.h | 104 |
1 files changed, 104 insertions, 0 deletions
diff --git a/src/extension/internal/filter/protrusions.h b/src/extension/internal/filter/protrusions.h new file mode 100644 index 0000000..ccf54b4 --- /dev/null +++ b/src/extension/internal/filter/protrusions.h @@ -0,0 +1,104 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +#ifndef SEEN_INKSCAPE_EXTENSION_INTERNAL_FILTER_PROTRUSIONS_H__ +#define SEEN_INKSCAPE_EXTENSION_INTERNAL_FILTER_PROTRUSIONS_H__ +/* Change the 'PROTRUSIONS' above to be your file name */ + +/* + * Copyright (C) 2008 Authors: + * Ted Gould <ted@gould.cx> + * Copyright (C) 2011 Authors: + * Ivan Louette (filters) + * Nicolas Dufour (UI) <nicoduf@yahoo.fr> + * + * Protrusion filters + * Snow + * + * 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 Snow filter. + + Snow has fallen on object. +*/ +class Snow : public Inkscape::Extension::Internal::Filter::Filter { +protected: + gchar const * get_filter_text (Inkscape::Extension::Extension * ext) override; + +public: + Snow ( ) : Filter() { }; + ~Snow ( ) override { if (_filter != nullptr) g_free((void *)_filter); return; } + +public: + static void init () { + // clang-format off + Inkscape::Extension::build_from_mem( + "<inkscape-extension xmlns=\"" INKSCAPE_EXTENSION_URI "\">\n" + "<name>" N_("Snow Crest") "</name>\n" + "<id>org.inkscape.effect.filter.snow</id>\n" + "<param name=\"drift\" gui-text=\"" N_("Drift Size") "\" type=\"float\" appearance=\"full\" min=\"0.0\" max=\"20.0\">3.5</param>\n" + "<effect>\n" + "<object-type>all</object-type>\n" + "<effects-menu>\n" + "<submenu name=\"" N_("Filters") "\">\n" + "<submenu name=\"Protrusions\"/>\n" + "</submenu>\n" + "</effects-menu>\n" + "<menu-tip>" N_("Snow has fallen on object") "</menu-tip>\n" + "</effect>\n" + "</inkscape-extension>\n", new Snow()); + // clang-format on + }; + +}; + +gchar const * +Snow::get_filter_text (Inkscape::Extension::Extension * ext) +{ + if (_filter != nullptr) g_free((void *)_filter); + + std::ostringstream drift; + drift << ext->get_param_float("drift"); + + // clang-format off + _filter = g_strdup_printf( + "<filter xmlns:inkscape=\"http://www.inkscape.org/namespaces/inkscape\" style=\"color-interpolation-filters:sRGB;\" inkscape:label=\"Snow\">\n" + "<feConvolveMatrix order=\"3 3\" kernelMatrix=\"1 1 1 0 0 0 -1 -1 -1\" preserveAlpha=\"false\" divisor=\"3\"/>\n" + "<feMorphology operator=\"dilate\" radius=\"1 %s\"/>\n" + "<feGaussianBlur stdDeviation=\"1.6270889487870621\" result=\"result0\"/>\n" + "<feColorMatrix values=\"0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 10 0\" result=\"result1\"/>\n" + "<feOffset dx=\"0\" dy=\"1\" result=\"result5\"/>\n" + "<feDiffuseLighting in=\"result0\" diffuseConstant=\"2.2613065326633168\" surfaceScale=\"1\">\n" + "<feDistantLight azimuth=\"225\" elevation=\"32\"/>\n" + "</feDiffuseLighting>\n" + "<feComposite in2=\"result1\" operator=\"in\" result=\"result2\"/>\n" + "<feColorMatrix values=\"0.4 0 0 0 0.6 0 0.4 0 0 0.6 0 0 0 0 1 0 0 0 1 0\" result=\"result4\"/>\n" + "<feComposite in2=\"result5\" in=\"result4\"/>\n" + "<feComposite in2=\"SourceGraphic\"/>\n" + "</filter>\n", drift.str().c_str()); + // clang-format on + + return _filter; +}; /* Snow filter */ + + +}; /* namespace Filter */ +}; /* namespace Internal */ +}; /* namespace Extension */ +}; /* namespace Inkscape */ + +/* Change the 'PROTRUSIONS' below to be your file name */ +#endif /* SEEN_INKSCAPE_EXTENSION_INTERNAL_FILTER_PROTRUSIONS_H__ */ |