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geomPoints.h
1 // Filename: geomPoints.h
2 // Created by: drose (22Mar05)
3 //
4 ////////////////////////////////////////////////////////////////////
5 //
6 // PANDA 3D SOFTWARE
7 // Copyright (c) Carnegie Mellon University. All rights reserved.
8 //
9 // All use of this software is subject to the terms of the revised BSD
10 // license. You should have received a copy of this license along
11 // with this source code in a file named "LICENSE."
12 //
13 ////////////////////////////////////////////////////////////////////
14 
15 #ifndef GEOMPOINTS_H
16 #define GEOMPOINTS_H
17 
18 #include "pandabase.h"
19 #include "geomPrimitive.h"
20 
21 ////////////////////////////////////////////////////////////////////
22 // Class : GeomPoints
23 // Description : Defines a series of disconnected points.
24 ////////////////////////////////////////////////////////////////////
25 class EXPCL_PANDA_GOBJ GeomPoints : public GeomPrimitive {
26 PUBLISHED:
27  GeomPoints(UsageHint usage_hint);
28  GeomPoints(const GeomPoints &copy);
29  virtual ~GeomPoints();
30  ALLOC_DELETED_CHAIN(GeomPoints);
31 
32 public:
33  virtual PT(GeomPrimitive) make_copy() const;
34  virtual PrimitiveType get_primitive_type() const;
35  virtual int get_geom_rendering() const;
36 
37  virtual int get_num_vertices_per_primitive() const;
38  virtual int get_min_num_vertices_per_primitive() const;
39 
40 public:
41  virtual bool draw(GraphicsStateGuardianBase *gsg,
42  const GeomPrimitivePipelineReader *reader,
43  bool force) const;
44 
45 public:
46  static void register_with_read_factory();
47 
48 protected:
49  static TypedWritable *make_from_bam(const FactoryParams &params);
50 
51 public:
52  static TypeHandle get_class_type() {
53  return _type_handle;
54  }
55  static void init_type() {
56  GeomPrimitive::init_type();
57  register_type(_type_handle, "GeomPoints",
58  GeomPrimitive::get_class_type());
59  }
60  virtual TypeHandle get_type() const {
61  return get_class_type();
62  }
63  virtual TypeHandle force_init_type() {init_type(); return get_class_type();}
64 
65 private:
66  static TypeHandle _type_handle;
67 
68  friend class Geom;
69 };
70 
71 #endif
virtual int get_min_num_vertices_per_primitive() const
Returns the minimum number of vertices that must be added before close_primitive() may legally be cal...
Defines a series of disconnected points.
Definition: geomPoints.h:25
Base class for objects that can be written to and read from Bam files.
Definition: typedWritable.h:37
This is an abstract base class for a family of classes that represent the fundamental geometry primit...
Definition: geomPrimitive.h:63
virtual int get_num_vertices_per_primitive() const
If the primitive type is a simple type in which all primitives have the same number of vertices...
virtual int get_geom_rendering() const
Returns the set of GeomRendering bits that represent the rendering properties required to properly re...
A container for geometry primitives.
Definition: geom.h:58
An instance of this class is passed to the Factory when requesting it to do its business and construc...
Definition: factoryParams.h:40
This is a base class for the GraphicsStateGuardian class, which is itself a base class for the variou...
TypeHandle is the identifier used to differentiate C++ class types.
Definition: typeHandle.h:85
Encapsulates the data from a GeomPrimitive, pre-fetched for one stage of the pipeline.