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-rw-r--r--src/object/sp-item-group.h133
1 files changed, 133 insertions, 0 deletions
diff --git a/src/object/sp-item-group.h b/src/object/sp-item-group.h
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+++ b/src/object/sp-item-group.h
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+// SPDX-License-Identifier: GPL-2.0-or-later
+#ifndef SEEN_SP_ITEM_GROUP_H
+#define SEEN_SP_ITEM_GROUP_H
+
+/*
+ * SVG <g> implementation
+ *
+ * Authors:
+ * Lauris Kaplinski <lauris@kaplinski.com>
+ *
+ * Copyright (C) 1999-2002 authors
+ * Copyright (C) 2000-2001 Ximian, Inc.
+ *
+ * Released under GNU GPL v2+, read the file 'COPYING' for more information.
+ */
+
+#include <map>
+#include "sp-lpe-item.h"
+
+namespace Inkscape {
+
+class Drawing;
+class DrawingItem;
+
+} // namespace Inkscape
+
+class SPGroup : public SPLPEItem {
+public:
+ SPGroup();
+ ~SPGroup() override;
+
+ enum LayerMode { GROUP, LAYER, MASK_HELPER };
+
+ bool isLayer() const { return _layer_mode == LAYER; }
+
+ bool _insert_bottom;
+ LayerMode _layer_mode;
+ std::map<unsigned int, LayerMode> _display_modes;
+
+ LayerMode layerMode() const { return _layer_mode; }
+ void setLayerMode(LayerMode mode);
+
+ bool insertBottom() const { return _insert_bottom; }
+ void setInsertBottom(bool insertbottom);
+
+ LayerMode effectiveLayerMode(unsigned int display_key) const {
+ if ( _layer_mode == LAYER ) {
+ return LAYER;
+ } else {
+ return layerDisplayMode(display_key);
+ }
+ }
+
+ LayerMode layerDisplayMode(unsigned int display_key) const;
+ void setLayerDisplayMode(unsigned int display_key, LayerMode mode);
+ void translateChildItems(Geom::Translate const &tr);
+ void scaleChildItemsRec(Geom::Scale const &sc, Geom::Point const &p, bool noRecurse);
+
+ int getItemCount() const;
+ virtual void _showChildren (Inkscape::Drawing &drawing, Inkscape::DrawingItem *ai, unsigned int key, unsigned int flags);
+
+private:
+ void _updateLayerMode(unsigned int display_key=0);
+
+public:
+ void build(SPDocument *document, Inkscape::XML::Node *repr) override;
+ void release() override;
+
+ void child_added(Inkscape::XML::Node* child, Inkscape::XML::Node* ref) override;
+ void remove_child(Inkscape::XML::Node *child) override;
+ void order_changed(Inkscape::XML::Node *child, Inkscape::XML::Node *old_ref, Inkscape::XML::Node *new_ref) override;
+
+ void update(SPCtx *ctx, unsigned int flags) override;
+ void modified(unsigned int flags) override;
+ void set(SPAttr key, char const* value) override;
+
+ Inkscape::XML::Node* write(Inkscape::XML::Document *xml_doc, Inkscape::XML::Node *repr, unsigned int flags) override;
+
+ Geom::OptRect bbox(Geom::Affine const &transform, SPItem::BBoxType bboxtype) const override;
+ void print(SPPrintContext *ctx) override;
+ const char* typeName() const override;
+ const char* displayName() const override;
+ char *description() const override;
+ Inkscape::DrawingItem *show (Inkscape::Drawing &drawing, unsigned int key, unsigned int flags) override;
+ void hide (unsigned int key) override;
+
+ void snappoints(std::vector<Inkscape::SnapCandidatePoint> &p, Inkscape::SnapPreferences const *snapprefs) const override;
+
+ void update_patheffect(bool write) override;
+
+ guint32 highlight_color() const override;
+};
+
+/**
+ * finds clones of a child of the group going out of the group; and inverse the group transform on its clones
+ * Also called when moving objects between different layers
+ * @param group current group
+ * @param parent original parent
+ * @param clone_original lpe clone handle ungroup
+ * @param g transform
+ */
+void sp_item_group_ungroup_handle_clones(SPItem *parent, Geom::Affine const g);
+
+void sp_item_group_ungroup (SPGroup *group, std::vector<SPItem*> &children, bool do_done = true);
+
+
+std::vector<SPItem*> sp_item_group_item_list (SPGroup *group);
+
+SPObject *sp_item_group_get_child_by_name (SPGroup *group, SPObject *ref, const char *name);
+
+MAKE_SP_OBJECT_DOWNCAST_FUNCTIONS(SP_GROUP, SPGroup)
+MAKE_SP_OBJECT_TYPECHECK_FUNCTIONS(SP_IS_GROUP, SPGroup)
+
+inline bool SP_IS_LAYER(SPObject const *obj)
+{
+ auto group = dynamic_cast<SPGroup const *>(obj);
+ return group && group->layerMode() == SPGroup::LAYER;
+}
+
+void set_default_highlight_colors(std::vector<guint32> colors);
+
+#endif
+
+/*
+ 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 :