GU/GU_SelectType.h

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/*
 * PROPRIETARY INFORMATION.  This software is proprietary to
 * Side Effects Software Inc., and is not to be reproduced,
 * transmitted, or disclosed in any way without written permission.
 *
 * Produced by:
 *      Cristin Barghiel
 *      Side Effects Software Inc.
 *      20 Maud St.
 *      Toronto, Ontario,  M5V 2M5
 *      Canada
 *      416-366-4607
 *
 * NAME:        GU_Selection (C++)
 *
 * COMMENTS:
 *      Base class of a gdp selection. This clas hides the actual type
 *      of selection (point, edge, primitive, etc)
 *
 * 
 */

#ifndef __GU_SelectType_h__
#define __GU_SelectType_h__

// Types of known selections:
enum GU_SelectionType {
                        GU_SPoint,
                        GU_SVertex,
                        GU_SEdge,
                        GU_SBreakpoint,
                        GU_SPrimitive,
                        GU_SPointGroup,
                        GU_SPrimGroup,
                        GU_SConnectedPrim,
                        GU_SConnectedPoint,
                        GU_SConnectedVertex,
                        GU_SConnectedEdge,
                        GU_SConnectedBreakpoint
                      };

// Types of connectivity for connected selections:
enum GU_SelectionConnectivity {
                                GU_SelectionConnectivity3D,
                                GU_SelectionConnectivityUV
                              };

enum GU_SelectionRule {
                        GU_AddSelect,
                        GU_ToggleSelect,
                        GU_RemoveSelect,
                        GU_ReplaceSelect
                      };


// Possible results of a selection
enum GU_SelectionResult {
                            GU_SelectionAdd,
                            GU_SelectionRemove,
                            GU_SelectionNone
                        };


// Entities we can pick:
#define GU_PICK_GEOPOINT        0x0001 // GEO_Point
#define GU_PICK_XSECTPOINT      0x0002 // intersection pt. (in sphere, NURB..)
#define GU_PICK_GEOEDGE         0x0004 // edge between two GEO_Points 
#define GU_PICK_GUIDEEDGE       0x0008 // "guide" edges (in sphere, tube prim)
#define GU_PICK_FACE            0x0010 // face and prim can be picked together
#define GU_PICK_PRIMITIVE       0x0020 // so use "&" on the hit id
#define GU_PICK_POINTNORMAL     0x0040 // GEO_Point normal
#define GU_PICK_FACENORMAL      0x0080 // face and prim nml can be picked
#define GU_PICK_PRIMNORMAL      0x0100 // together so use "&" on the hit id
#define GU_PICK_BREAKPOINT      0x0200 // primitive break points
#define GU_PICK_MIDPOINT        0x0400 // midpoint of a GEO_Edge
#define GU_PICK_GEOPOINT_ROWCOL 0x0800 // selecting all points on row or col
#define GU_PICK_VERTEX          0x1000 // GEO_Vertex

#define GU_PICK_GEOALL          0x1fff // all of the above
#define GU_PICK_OTHER           0x2000

#endif

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