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DefaultObjectMarker.cc
1 /*===========================================================================*\
2 * *
3 * OpenFlipper *
4 * Copyright (c) 2001-2015, RWTH-Aachen University *
5 * Department of Computer Graphics and Multimedia *
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7 * www.openflipper.org *
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9 *---------------------------------------------------------------------------*
10 * This file is part of OpenFlipper. *
11 *---------------------------------------------------------------------------*
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13 * Redistribution and use in source and binary forms, with or without *
14 * modification, are permitted provided that the following conditions *
15 * are met: *
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18 * this list of conditions and the following disclaimer. *
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26 * this software without specific prior written permission. *
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28 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS *
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40 \*===========================================================================*/
41
42 /*===========================================================================*\
43 * *
44 * $Revision$ *
45 * $LastChangedBy$ *
46 * $Date$ *
47 * *
48 \*===========================================================================*/
49
50 #include <OpenFlipper/common/Types.hh>
51 #include "DefaultObjectMarker.hh"
52
53 //******************************************************************************
54
55 const ACG::Vec4f base_color (0.6f,0.6f,0.6f,1.0f);
56 const ACG::Vec4f source_color (0.6f,0.6f,1.0f,1.0f);
57 const ACG::Vec4f target_color (1.0f,1.0f,1.0f,1.0f);
58 const ACG::Vec4f source_target_color (0.6f,1.0f,1.0f,1.0f);
59
60 //******************************************************************************
61
62 bool DefaultObjectMarker::stencilRefForObject(BaseObjectData * _obj, GLuint & _reference)
63 {
64 if (!_obj->target() && !_obj->source())
65 {
66 _reference = 1;
67 return true;
68 }
69 else if (!_obj->target() && _obj->source())
70 {
71 _reference = 2;
72 return true;
73 }
74 else if (_obj->target() && !_obj->source())
75 {
76 _reference = 3;
77 return true;
78 }
79 else if (_obj->target() && _obj->source())
80 {
81 _reference = 4;
82 return true;
83 }
84
85 return false;
86 }
87
88 bool DefaultObjectMarker::blendForStencilRefNumber(GLuint _reference, GLenum & _src, GLenum & _dst, ACG::Vec4f & _color)
89 {
90 _src = GL_ZERO;
91 _dst = GL_SRC_COLOR;
92
93 switch (_reference)
94 {
95 case 1:
96 _color = base_color;
97 return true;
98 case 2:
99 _color = source_color;
100 return true;
101 case 3:
102 _color = target_color;
103 return true;
104 case 4:
105 _color = source_target_color;
106 return true;
107 default:
108 return false;
109 }
110 return false;
111 }
112
DefaultObjectMarker::stencilRefForObject
bool stencilRefForObject(BaseObjectData *_obj, GLuint &_reference)
Definition: DefaultObjectMarker.cc:62
BaseObjectData
Definition: BaseObjectData.hh:105
BaseObject::source
bool source()
Definition: BaseObject.cc:302
OpenMesh::VectorT
Definition: Vector11T.hh:83
DefaultObjectMarker::blendForStencilRefNumber
bool blendForStencilRefNumber(GLuint _reference, GLenum &_src, GLenum &_dst, ACG::Vec4f &_color)
Definition: DefaultObjectMarker.cc:88
Types.hh
BaseObject::target
bool target()
Definition: BaseObject.cc:284