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diff --git a/src/box3d.h b/src/box3d.h
index e1b90c3f97c0c931d1405fc3bd46766216385870..5dbf0cf5e4912aeea30a82ae10cfe35a171a5425 100644 (file)
--- a/src/box3d.h
+++ b/src/box3d.h
-#ifndef __SP_3DBOX_H__
-#define __SP_3DBOX_H__
+#ifndef SEEN_SP_BOX3D_H
+#define SEEN_SP_BOX3D_H
/*
* SVG <box3d> implementation
* Authors:
* Lauris Kaplinski <lauris@kaplinski.com>
* Maximilian Albert <Anhalter42@gmx.de>
+ * Abhishek Sharma
*
* Copyright (C) 2007 Authors
* Copyright (C) 1999-2002 Lauris Kaplinski
* Released under GNU GPL, read the file 'COPYING' for more information
*/
-#include "inkscape.h"
-#include "perspective-line.h"
-
#include "sp-item-group.h"
-#include "sp-path.h"
-#include "xml/document.h"
-#include "xml/repr.h"
-#include "line-geometry.h"
-#include "box3d-face.h"
-
-
-#define SP_TYPE_3DBOX (sp_3dbox_get_type ())
-#define SP_3DBOX(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), SP_TYPE_3DBOX, SP3DBox))
-#define SP_3DBOX_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), SP_TYPE_3DBOX, SP3DBoxClass))
-#define SP_IS_3DBOX(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), SP_TYPE_3DBOX))
-#define SP_IS_3DBOX_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), SP_TYPE_3DBOX))
-
-
-struct SP3DBox : public SPGroup {
- NR::Point corners[8];
- Box3DFace *faces[6];
- guint z_orders[6]; // z_orders[i] holds the ID of the face at position #i in the group (from top to bottom)
-
- // TODO: Keeping/updating the ratios works reasonably well but is still an ad hoc implementation.
- // Use a mathematically correct model to update the boxes.
- double ratio_x;
- double ratio_y;
- double ratio_z;
-
- guint front_bits; /* used internally to determine which of two parallel faces is supposed to be the front face */
-
- // FIXME: If we only allow a single box to be dragged at a time then we can save memory by storing
- // the old positions centrally in SP3DBoxContext (instead of in each box separately)
- NR::Point old_center;
- NR::Point old_corner2;
- NR::Point old_corner1;
- NR::Point old_corner0;
- NR::Point old_corner3;
- NR::Point old_corner5;
- NR::Point old_corner7;
-
- gint my_counter; // for testing only
+#include "proj_pt.h"
+#include "axis-manip.h"
+
+#define SP_TYPE_BOX3D (box3d_get_type ())
+#define SP_BOX3D(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), SP_TYPE_BOX3D, SPBox3D))
+#define SP_BOX3D_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), SP_TYPE_BOX3D, Box3DClass))
+#define SP_IS_BOX3D(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), SP_TYPE_BOX3D))
+#define SP_IS_BOX3D_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), SP_TYPE_BOX3D))
+
+class Box3DSide;
+class Persp3D;
+class Persp3DReference;
+
+class SPBox3D : public SPGroup {
+public:
+ gint z_orders[6]; // z_orders[i] holds the ID of the face at position #i in the group (from top to bottom)
+
+ gchar *persp_href;
+ Persp3DReference *persp_ref;
+
+ Proj::Pt3 orig_corner0;
+ Proj::Pt3 orig_corner7;
+
+ Proj::Pt3 save_corner0;
+ Proj::Pt3 save_corner7;
+
+ Box3D::Axis swapped; // to indicate which coordinates are swapped during dragging
+
+ gint my_counter; // for debugging only
+
+ /**
+ * Create a SPBox3D and append it to the parent.
+ */
+ static SPBox3D * createBox3D(SPItem * parent);
};
-struct SP3DBoxClass {
- SPGroupClass parent_class;
+class SPBox3DClass {
+public:
+ SPGroupClass parent_class;
};
-GType sp_3dbox_get_type (void);
-
-void sp_3dbox_position_set (SP3DBoxContext &bc);
-void sp_3dbox_set_shape(SP3DBox *box3d, bool use_previous_corners = false);
-void sp_3dbox_recompute_corners (SP3DBox *box, NR::Point const pt1, NR::Point const pt2, NR::Point const pt3);
-bool sp_3dbox_recompute_z_orders (SP3DBox *box); /* returns true if there was a change in the z-orders
- (which triggers an update of the repr) */
-void sp_3dbox_set_z_orders (SP3DBox *box);
-void sp_3dbox_update_curves (SP3DBox *box);
-void sp_3dbox_link_to_existing_paths (SP3DBox *box, Inkscape::XML::Node *repr);
-void sp_3dbox_set_ratios (SP3DBox *box, Box3D::Axis axes = Box3D::XYZ);
-void sp_3dbox_switch_front_face (SP3DBox *box, Box3D::Axis axis);
-void sp_3dbox_move_corner_in_XY_plane (SP3DBox *box, guint id, NR::Point pt, Box3D::Axis axes = Box3D::XY);
-void sp_3dbox_move_corner_in_Z_direction (SP3DBox *box, guint id, NR::Point pt, bool constrained = true);
-void sp_3dbox_reshape_after_VP_toggling (SP3DBox *box, Box3D::Axis axis);
-NR::Maybe<NR::Point> sp_3dbox_get_center (SP3DBox *box);
-NR::Maybe<NR::Point> sp_3dbox_get_midpoint_between_corners (SP3DBox *box, guint id_corner1, guint id_corner2);
-void sp_3dbox_recompute_XY_corners_from_new_center (SP3DBox *box, NR::Point const new_center);
-void sp_3dbox_recompute_Z_corners_from_new_center (SP3DBox *box, NR::Point const new_center);
-NR::Point sp_3dbox_get_midpoint_in_axis_direction (NR::Point const &C, NR::Point const &D, Box3D::Axis axis, Box3D::Perspective3D *persp);
-
-void sp_3dbox_update_perspective_lines();
-void sp_3dbox_corners_for_perspective_lines (const SP3DBox * box, Box3D::Axis axis, NR::Point &corner1, NR::Point &corner2, NR::Point &corner3, NR::Point &corner4);
-guint sp_3dbox_get_corner_id_along_edge (const SP3DBox *box, guint corner, Box3D::Axis axis, Box3D::FrontOrRear rel_pos);
-NR::Point sp_3dbox_get_corner_along_edge (const SP3DBox *box, guint corner, Box3D::Axis axis, Box3D::FrontOrRear rel_pos);
-guint sp_3dbox_get_front_corner_id (const SP3DBox *box);
-
-
-gchar * sp_3dbox_get_svg_descr_of_persp (Box3D::Perspective3D *persp);
-
-inline NR::Point sp_3dbox_get_corner (SP3DBox *box, guint id) { return box->corners[id]; }
-inline bool sp_3dbox_corners_are_adjacent (guint id_corner1, guint id_corner2) {
- return Box3D::is_single_axis_direction ((Box3D::Axis) (id_corner1 ^ id_corner2));
-}
-
-#endif
+GType box3d_get_type (void);
+
+void box3d_position_set (SPBox3D *box);
+Proj::Pt3 box3d_get_proj_corner (SPBox3D const *box, guint id);
+Geom::Point box3d_get_corner_screen (SPBox3D const *box, guint id, bool item_coords = true);
+Proj::Pt3 box3d_get_proj_center (SPBox3D *box);
+Geom::Point box3d_get_center_screen (SPBox3D *box);
+
+void box3d_set_corner (SPBox3D *box, guint id, Geom::Point const &new_pos, Box3D::Axis movement, bool constrained);
+void box3d_set_center (SPBox3D *box, Geom::Point const &new_pos, Geom::Point const &old_pos, Box3D::Axis movement, bool constrained);
+void box3d_corners_for_PLs (const SPBox3D * box, Proj::Axis axis, Geom::Point &corner1, Geom::Point &corner2, Geom::Point &corner3, Geom::Point &corner4);
+bool box3d_recompute_z_orders (SPBox3D *box);
+void box3d_set_z_orders (SPBox3D *box);
+
+int box3d_pt_lies_in_PL_sector (SPBox3D const *box, Geom::Point const &pt, int id1, int id2, Box3D::Axis axis);
+int box3d_VP_lies_in_PL_sector (SPBox3D const *box, Proj::Axis vpdir, int id1, int id2, Box3D::Axis axis);
+
+void box3d_relabel_corners(SPBox3D *box);
+void box3d_check_for_swapped_coords(SPBox3D *box);
+
+std::list<SPBox3D *> box3d_extract_boxes(SPObject *obj);
+
+Persp3D *box3d_get_perspective(SPBox3D const *box);
+void box3d_switch_perspectives(SPBox3D *box, Persp3D *old_persp, Persp3D *new_persp, bool recompute_corners = false);
+
+SPGroup *box3d_convert_to_group(SPBox3D *box);
+
+
+#endif // SEEN_SP_BOX3D_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 :