1 files changed, 62 insertions, 0 deletions
diff --git a/src/extension/internal/filter/filter.h b/src/extension/internal/filter/filter.h
new file mode 100644
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--- /dev/null
+++ b/src/extension/internal/filter/filter.h
@@ -0,0 +1,62 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+#ifndef INKSCAPE_EXTENSION_INTERNAL_FILTER_FILTER_H
+#define INKSCAPE_EXTENSION_INTERNAL_FILTER_FILTER_H
+
+/*
+ * Copyright (C) 2008 Authors:
+ *   Ted Gould <ted@gould.cx>
+ *
+ * Released under GNU GPL v2+, read the file 'COPYING' for more information.
+ */
+
+#include <glibmm/i18n.h>
+
+#include "extension/implementation/implementation.h"
+
+namespace Inkscape {
+
+namespace XML {
+	struct Document;
+}
+
+namespace Extension {
+
+class Effect;
+class Extension;
+
+namespace Internal {
+namespace Filter {
+
+class Filter : public Inkscape::Extension::Implementation::Implementation {
+protected:
+	gchar const * _filter;
+	virtual gchar const * get_filter_text (Inkscape::Extension::Extension * ext);
+
+private:
+	Inkscape::XML::Document * get_filter (Inkscape::Extension::Extension * ext);
+	void merge_filters (Inkscape::XML::Node * to, Inkscape::XML::Node * from, Inkscape::XML::Document * doc, gchar const * srcGraphic = nullptr, gchar const * srcGraphicAlpha = nullptr);
+
+public:
+	Filter();
+	Filter(gchar const * filter);
+	~Filter() override;
+
+	bool load(Inkscape::Extension::Extension *module) override;
+	Inkscape::Extension::Implementation::ImplementationDocumentCache * newDocCache (Inkscape::Extension::Extension * ext, Inkscape::UI::View::View * doc) override;
+	void effect(Inkscape::Extension::Effect *module, Inkscape::UI::View::View *document, Inkscape::Extension::Implementation::ImplementationDocumentCache * docCache) override;
+
+	static void filter_init(gchar const * id, gchar const * name, gchar const * submenu, gchar const * tip, gchar const * filter);
+	static void filters_all();
+
+	/* File loader related */
+	static void filters_all_files();
+	static void filters_load_node(Inkscape::XML::Node *node, gchar * menuname);
+
+};
+
+}; /* namespace Filter */
+}; /* namespace Internal */
+}; /* namespace Extension */
+}; /* namespace Inkscape */
+
+#endif // INKSCAPE_EXTENSION_INTERNAL_FILTER_FILTER_H