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-rw-r--r--src/object/sp-clippath.h134
1 files changed, 134 insertions, 0 deletions
diff --git a/src/object/sp-clippath.h b/src/object/sp-clippath.h
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+++ b/src/object/sp-clippath.h
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+// SPDX-License-Identifier: GPL-2.0-or-later
+#ifndef SEEN_SP_CLIPPATH_H
+#define SEEN_SP_CLIPPATH_H
+
+/*
+ * SVG <clipPath> implementation
+ *
+ * Authors:
+ * Lauris Kaplinski <lauris@kaplinski.com>
+ * Abhishek Sharma
+ * Jon A. Cruz <jon@joncruz.org>
+ *
+ * Copyright (C) 2001-2002 authors
+ * Copyright (C) 2001 Ximian, Inc.
+ *
+ * Released under GNU GPL v2+, read the file 'COPYING' for more information.
+ */
+
+#include <cstdio>
+#include "sp-object-group.h"
+#include "display/drawing.h"
+#include "display/drawing-group.h"
+#include "uri-references.h"
+#include "xml/node.h"
+
+namespace Inkscape {
+
+class Drawing;
+class DrawingItem;
+
+} // namespace Inkscape
+
+
+struct SPClipPathView {
+ SPClipPathView *next;
+ unsigned int key;
+ Inkscape::DrawingItem *arenaitem;
+ Geom::OptRect bbox;
+};
+
+class SPClipPath : public SPObjectGroup {
+public:
+ SPClipPath();
+ ~SPClipPath() override;
+
+ class Reference;
+
+ unsigned int clipPathUnits_set : 1;
+ unsigned int clipPathUnits : 1;
+
+ SPClipPathView *display;
+ static char const *create(std::vector<Inkscape::XML::Node*> &reprs, SPDocument *document);
+ //static GType sp_clippath_get_type(void);
+
+ Inkscape::DrawingItem *show(Inkscape::Drawing &drawing, unsigned int key);
+ void hide(unsigned int key);
+
+ void setBBox(unsigned int key, Geom::OptRect const &bbox);
+ Geom::OptRect geometricBounds(Geom::Affine const &transform);
+
+protected:
+ void build(SPDocument* doc, Inkscape::XML::Node* repr) override;
+ void release() override;
+
+ void child_added(Inkscape::XML::Node* child, Inkscape::XML::Node* ref) override;
+
+ void set(SPAttr key, char const* value) override;
+
+ void update(SPCtx* ctx, unsigned int flags) override;
+ void modified(unsigned int flags) override;
+
+ Inkscape::XML::Node* write(Inkscape::XML::Document* doc, Inkscape::XML::Node* repr, unsigned int flags) override;
+};
+
+MAKE_SP_OBJECT_TYPECHECK_FUNCTIONS(SP_IS_CLIPPATH, SPClipPath)
+
+class SPClipPathReference : public Inkscape::URIReference {
+public:
+ SPClipPathReference(SPObject *obj) : URIReference(obj) {}
+ SPClipPath *getObject() const {
+ return static_cast<SPClipPath *>(URIReference::getObject());
+ }
+
+protected:
+ /**
+ * If the owner element of this reference (the element with <... clippath="...">)
+ * is a child of the clippath it refers to, return false.
+ * \return false if obj is not a clippath or if obj is a parent of this
+ * reference's owner element. True otherwise.
+ */
+ bool _acceptObject(SPObject *obj) const override {
+ if (!SP_IS_CLIPPATH(obj)) {
+ return false;
+ }
+ SPObject * const owner = this->getOwner();
+ if (!URIReference::_acceptObject(obj)) {
+ //XML Tree being used directly here while it shouldn't be...
+ Inkscape::XML::Node * const owner_repr = owner->getRepr();
+ //XML Tree being used directly here while it shouldn't be...
+ Inkscape::XML::Node * const obj_repr = obj->getRepr();
+ char const * owner_name = "";
+ char const * owner_clippath = "";
+ char const * obj_name = "";
+ char const * obj_id = "";
+ if (owner_repr != nullptr) {
+ owner_name = owner_repr->name();
+ owner_clippath = owner_repr->attribute("clippath");
+ }
+ if (obj_repr != nullptr) {
+ obj_name = obj_repr->name();
+ obj_id = obj_repr->attribute("id");
+ }
+ printf("WARNING: Ignoring recursive clippath reference "
+ "<%s clippath=\"%s\"> in <%s id=\"%s\">",
+ owner_name, owner_clippath,
+ obj_name, obj_id);
+ return false;
+ }
+ return true;
+ }
+};
+
+#endif // SEEN_SP_CLIPPATH_H
+
+/*
+ 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 :