1 files changed, 113 insertions, 0 deletions
diff --git a/src/object/sp-guide.h b/src/object/sp-guide.h
new file mode 100644
index 0000000..4ecd62d
--- /dev/null
+++ b/src/object/sp-guide.h
@@ -0,0 +1,113 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/** @file
+ * SPGuide -- a guideline
+ *//*
+ * Authors:
+ *   Lauris Kaplinski 2000
+ *   Johan Engelen 2007
+ *   Abhishek Sharma
+ *   Jon A. Cruz <jon@joncruz.org>
+ * 
+ * Copyright (C) 2018 Authors
+ * Released under GNU GPL v2+, read the file 'COPYING' for more information.
+ */
+#ifndef SEEN_SP_GUIDE_H
+#define SEEN_SP_GUIDE_H
+
+#include <2geom/point.h>
+#include <vector>
+
+#include "sp-object.h"
+#include "sp-guide-attachment.h"
+
+typedef unsigned int guint32;
+extern "C" {
+    typedef void (*GCallback) ();
+}
+
+class SPDesktop;
+struct SPCanvas;
+struct SPCanvasGroup;
+struct SPGuideLine;
+#define SP_GUIDE(obj) (dynamic_cast<SPGuide*>((SPObject*)obj))
+#define SP_IS_GUIDE(obj) (dynamic_cast<const SPGuide*>((SPObject*)obj) != NULL)
+
+/* Represents the constraint on p that dot(g.direction, p) == g.position. */
+class SPGuide : public SPObject {
+public:
+    SPGuide();
+    ~SPGuide() override = default;
+
+    void set_color(const unsigned r, const unsigned g, const unsigned b, bool const commit);
+    void setColor(guint32 c);
+    void setHiColor(guint32 h) { hicolor = h; }
+
+    guint32 getColor() const { return color; }
+    guint32 getHiColor() const { return hicolor; }
+    Geom::Point getPoint() const { return point_on_line; }
+    Geom::Point getNormal() const { return normal_to_line; }
+
+    void moveto(Geom::Point const point_on_line, bool const commit);
+    void set_normal(Geom::Point const normal_to_line, bool const commit);
+
+    void set_label(const char* label, bool const commit);
+    char const* getLabel() const { return label; }
+
+    void set_locked(const bool locked, bool const commit);
+    bool getLocked() const { return locked; }
+
+    static SPGuide *createSPGuide(SPDocument *doc, Geom::Point const &pt1, Geom::Point const &pt2);
+    SPGuide *duplicate();
+
+    void showSPGuide(SPCanvasGroup *group, GCallback handler);
+    void hideSPGuide(SPCanvas *canvas);
+    void showSPGuide(); // argument-free versions
+    void hideSPGuide();
+
+    void sensitize(SPCanvas *canvas, bool sensitive);
+
+    bool isHorizontal() const { return (normal_to_line[Geom::X] == 0.); };
+    bool isVertical() const { return (normal_to_line[Geom::Y] == 0.); };
+
+    char* description(bool const verbose = true) const;
+
+    double angle() const { return std::atan2( - normal_to_line[Geom::X], normal_to_line[Geom::Y] ); }
+    double getDistanceFrom(Geom::Point const &pt) const;
+    Geom::Point getPositionFrom(Geom::Point const &pt) const;
+
+protected:
+    void build(SPDocument* doc, Inkscape::XML::Node* repr) override;
+    void release() override;
+    void set(SPAttributeEnum key, const char* value) override;
+
+    char* label;
+    std::vector<SPGuideLine *> views; // contains an object of type SPGuideline (see display/guideline.cpp for definition)
+    bool locked;
+    Geom::Point normal_to_line;
+    Geom::Point point_on_line;
+
+    guint32 color;
+    guint32 hicolor;
+public:
+    std::vector<SPGuideAttachment> attached_items; // unused
+};
+
+// These functions rightfully belong to SPDesktop. What gives?!
+void sp_guide_pt_pairs_to_guides(SPDocument *doc, std::list<std::pair<Geom::Point, Geom::Point> > &pts);
+void sp_guide_create_guides_around_page(SPDesktop *dt);
+void sp_guide_delete_all_guides(SPDesktop *dt);
+
+void sp_guide_remove(SPGuide *guide);
+
+#endif // SEEN_SP_GUIDE_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 :