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geomLines.h
1 // Filename: geomLines.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 GEOMLINES_H
16 #define GEOMLINES_H
17 
18 #include "pandabase.h"
19 #include "geomPrimitive.h"
20 
21 ////////////////////////////////////////////////////////////////////
22 // Class : GeomLines
23 // Description : Defines a series of disconnected line segments.
24 ////////////////////////////////////////////////////////////////////
25 class EXPCL_PANDA_GOBJ GeomLines : public GeomPrimitive {
26 PUBLISHED:
27  GeomLines(UsageHint usage_hint);
28  GeomLines(const GeomLines &copy);
29  virtual ~GeomLines();
30  ALLOC_DELETED_CHAIN(GeomLines);
31 
32 public:
33  virtual PT(GeomPrimitive) make_copy() const;
34  virtual PrimitiveType get_primitive_type() const;
35 
36  virtual int get_num_vertices_per_primitive() const;
37  virtual int get_min_num_vertices_per_primitive() const;
38 
39 public:
40  virtual bool draw(GraphicsStateGuardianBase *gsg,
41  const GeomPrimitivePipelineReader *reader,
42  bool force) const;
43 
44 protected:
45  virtual CPT(GeomVertexArrayData) rotate_impl() const;
46 
47 public:
48  static void register_with_read_factory();
49 
50 protected:
51  static TypedWritable *make_from_bam(const FactoryParams &params);
52 
53 public:
54  static TypeHandle get_class_type() {
55  return _type_handle;
56  }
57  static void init_type() {
58  GeomPrimitive::init_type();
59  register_type(_type_handle, "GeomLines",
60  GeomPrimitive::get_class_type());
61  }
62  virtual TypeHandle get_type() const {
63  return get_class_type();
64  }
65  virtual TypeHandle force_init_type() {init_type(); return get_class_type();}
66 
67 private:
68  static TypeHandle _type_handle;
69 
70  friend class Geom;
71 };
72 
73 #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...
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...
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
Defines a series of disconnected line segments.
Definition: geomLines.h:25
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.
This is the data for one array of a GeomVertexData structure.