1 files changed, 143 insertions, 0 deletions
diff --git a/src/object/sp-lpe-item.h b/src/object/sp-lpe-item.h
new file mode 100644
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--- /dev/null
+++ b/src/object/sp-lpe-item.h
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+// SPDX-License-Identifier: GPL-2.0-or-later
+#ifndef SP_LPE_ITEM_H_SEEN
+#define SP_LPE_ITEM_H_SEEN
+
+/** \file
+ * Base class for live path effect items
+ */
+/*
+ * Authors:
+ *   Johan Engelen <j.b.c.engelen@ewi.utwente.nl>
+ *   Bastien Bouclet <bgkweb@gmail.com>
+ *
+ * Copyright (C) 2008 authors
+ *
+ * Released under GNU GPL v2+, read the file 'COPYING' for more information.
+ */
+
+#include <list>
+#include <string>
+#include <memory>
+#include "sp-item.h"
+
+class LivePathEffectObject;
+class SPCurve;
+class SPShape;
+class SPDesktop;
+
+namespace Inkscape{ 
+    namespace Display {
+        class TemporaryItem;
+    }
+    namespace LivePathEffect{
+        class LPEObjectReference;
+        class Effect;
+    }
+}
+
+typedef std::list<std::shared_ptr<Inkscape::LivePathEffect::LPEObjectReference>> PathEffectList;
+
+class SPLPEItem : public SPItem {
+public:
+    SPLPEItem();
+    ~SPLPEItem() override;
+    int tag() const override { return tag_of<decltype(*this)>; }
+
+    int path_effects_enabled;
+
+    PathEffectList* path_effect_list;
+    std::list<sigc::connection> *lpe_modified_connection_list; // this list contains the connections for listening to lpeobject parameter changes
+
+    std::shared_ptr<Inkscape::LivePathEffect::LPEObjectReference> current_path_effect;
+    std::vector<Inkscape::Display::TemporaryItem*> lpe_helperpaths;
+
+    void replacePathEffects( std::vector<LivePathEffectObject const *> const &old_lpeobjs,
+                             std::vector<LivePathEffectObject const *> const &new_lpeobjs );
+
+
+    void build(SPDocument* doc, Inkscape::XML::Node* repr) override;
+    void release() override;
+
+    void set(SPAttr key, char const* value) override;
+
+    void update(SPCtx* ctx, unsigned int flags) override;
+    void modified(unsigned int flags) override;
+    void child_added(Inkscape::XML::Node* child, Inkscape::XML::Node* ref) override;
+    void remove_child(Inkscape::XML::Node* child) override;
+
+    Inkscape::XML::Node* write(Inkscape::XML::Document *xml_doc, Inkscape::XML::Node *repr, unsigned int flags) override;
+
+    virtual void update_patheffect(bool write);
+    bool optimizeTransforms();
+    void notifyTransform(Geom::Affine const &postmul);
+    bool performPathEffect(SPCurve *curve, SPShape *current, bool is_clip_or_mask = false);
+    bool performOnePathEffect(SPCurve *curve, SPShape *current, Inkscape::LivePathEffect::Effect *lpe, bool is_clip_or_mask = false);
+    bool pathEffectsEnabled() const;
+    bool hasPathEffect() const;
+    bool hasPathEffectOfType(int const type, bool is_ready = true) const;
+    bool hasPathEffectOfTypeRecursive(int const type, bool is_ready = true) const;
+    bool hasPathEffectRecursive() const;
+    SPLPEItem const * getTopPathEffect() const;
+    bool hasPathEffectOnClipOrMask(SPLPEItem * shape) const;
+    bool hasPathEffectOnClipOrMaskRecursive(SPLPEItem * shape) const;
+    size_t getLPEIndex(Inkscape::LivePathEffect::Effect* lpe) const;
+    size_t countLPEOfType(int const type, bool inc_hidden = true, bool is_ready = true) const;
+    size_t getLPEReferenceIndex(std::shared_ptr<Inkscape::LivePathEffect::LPEObjectReference> lperef) const;
+    Inkscape::LivePathEffect::Effect *getFirstPathEffectOfType(int type);
+    Inkscape::LivePathEffect::Effect const *getFirstPathEffectOfType(int type) const;
+    std::vector<Inkscape::LivePathEffect::Effect *> getPathEffectsOfType(int type);
+    std::vector<Inkscape::LivePathEffect::Effect const *> getPathEffectsOfType(int type) const;
+    std::vector<Inkscape::LivePathEffect::Effect *> getPathEffects();
+    std::vector<Inkscape::LivePathEffect::Effect const *> getPathEffects() const;
+    std::vector<SPObject *> get_satellites(bool force = true, bool recursive = false, bool onchilds = false);
+    bool isOnClipboard();
+    bool isOnSymbol() const;
+    bool onsymbol = false;
+    bool hasBrokenPathEffect() const;
+    bool lpe_initialized = false;
+    PathEffectList getEffectList();
+    PathEffectList const getEffectList() const;
+
+    void duplicateCurrentPathEffect();
+    void downCurrentPathEffect();
+    void upCurrentPathEffect();
+    void removePathEffect(Inkscape::LivePathEffect::Effect* lpe, bool keep_paths);
+    void movePathEffect(gint origin, gint dest, bool select_moved = false);
+    SPLPEItem * flattenCurrentPathEffect();
+    std::shared_ptr<Inkscape::LivePathEffect::LPEObjectReference> getCurrentLPEReference();
+    Inkscape::LivePathEffect::Effect* getCurrentLPE();
+    std::shared_ptr<Inkscape::LivePathEffect::LPEObjectReference> getPrevLPEReference(std::shared_ptr<Inkscape::LivePathEffect::LPEObjectReference> lperef);
+    Inkscape::LivePathEffect::Effect* getPrevLPE(Inkscape::LivePathEffect::Effect* lpe);
+    std::shared_ptr<Inkscape::LivePathEffect::LPEObjectReference> getNextLPEReference(std::shared_ptr<Inkscape::LivePathEffect::LPEObjectReference>);
+    Inkscape::LivePathEffect::Effect* getNextLPE(Inkscape::LivePathEffect::Effect* lpe);
+    std::shared_ptr<Inkscape::LivePathEffect::LPEObjectReference> getLastLPEReference();
+    Inkscape::LivePathEffect::Effect* getLastLPE();
+    bool setCurrentPathEffect(std::shared_ptr<Inkscape::LivePathEffect::LPEObjectReference> lperef);
+    bool setCurrentPathEffect(LivePathEffectObject const * lopeobj);
+    SPLPEItem * removeCurrentPathEffect(bool keep_paths);
+    SPLPEItem * removeAllPathEffects(bool keep_paths, bool recursive = false);
+    void addPathEffect(std::string value, bool reset);
+    void addPathEffect(LivePathEffectObject * new_lpeobj);
+    void resetClipPathAndMaskLPE(bool fromrecurse = false);
+    void applyToMask(SPItem* to, Inkscape::LivePathEffect::Effect *lpe = nullptr);
+    void applyToClipPath(SPItem* to, Inkscape::LivePathEffect::Effect *lpe = nullptr);
+    void applyToClipPathOrMask(SPItem * clip_mask, SPItem* to, Inkscape::LivePathEffect::Effect *lpe = nullptr);
+    bool forkPathEffectsIfNecessary(unsigned int nr_of_allowed_users = 1, bool recursive = true, bool force = false);
+    void editNextParamOncanvas(SPDesktop *dt);
+    void update_satellites(bool recursive = true);
+};
+void sp_lpe_item_update_patheffect (SPLPEItem *lpeitem, bool wholetree, bool write, bool with_satellites = false); // careful, class already has method with *very* similar name!
+void sp_lpe_item_enable_path_effects(SPLPEItem *lpeitem, bool enable);
+
+#endif /* !SP_LPE_ITEM_H_SEEN */
+
+/*
+  Local Variables:
+  mode:c++
+  c-file-style:"stroustrup"
+  c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
+  indent-tabs-mode:nil
+  fill-column:99
+  End:
+*/
+// vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:fileencoding=utf-8:textwidth=99 :