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32 
33 /*!
34   \class SoPolygonOffsetElement Inventor/elements/SoPolygonOffsetElement.h
35   \brief The SoPolygonOffsetElement class is yet to be documented.
36 
37   \ingroup elements
38 
39   FIXME: write doc.
40 */
41 
42 #include <Inventor/elements/SoPolygonOffsetElement.h>
43 
44 #include "SbBasicP.h"
45 
46 #include <cassert>
47 
48 /*!
49   \fn SoPolygonOffsetElement::Style
50 
51   FIXME: write doc.
52 */
53 
54 /*!
55   \fn SoPolygonOffsetElement::style
56 
57   FIXME: write doc.
58 */
59 
60 /*!
61   \fn SoPolygonOffsetElement::active
62 
63   FIXME: write doc.
64 */
65 
66 /*!
67   \fn SoPolygonOffsetElement::offsetfactor
68 
69   FIXME: write doc.
70 */
71 
72 /*!
73   \fn SoPolygonOffsetElement::offsetunits
74 
75   FIXME: write doc.
76 */
77 
78 SO_ELEMENT_SOURCE(SoPolygonOffsetElement);
79 
80 /*!
81   This static method initializes static data for the SoPolygonOffsetElement
82   class.
83 */
84 
85 void
initClass(void)86 SoPolygonOffsetElement::initClass(void)
87 {
88   SO_ELEMENT_INIT_CLASS(SoPolygonOffsetElement, inherited);
89 }
90 
91 /*!
92   The destructor.
93 */
94 
~SoPolygonOffsetElement(void)95 SoPolygonOffsetElement::~SoPolygonOffsetElement(void)
96 {
97 }
98 
99 //! FIXME: write doc.
100 
101 void
init(SoState * state)102 SoPolygonOffsetElement::init(SoState * state)
103 {
104   inherited::init(state);
105   SoPolygonOffsetElement::getDefault(this->offsetfactor,
106                                      this->offsetunits,
107                                      this->style,
108                                      this->active);
109 }
110 
111 //! FIXME: write doc.
112 
113 void
set(SoState * state,SoNode * node,float factor,float units,Style styles,SbBool on)114 SoPolygonOffsetElement::set(SoState * state, SoNode * node,
115                             float factor, float units, Style styles, SbBool on)
116 {
117   SoPolygonOffsetElement * elem = coin_safe_cast<SoPolygonOffsetElement *>
118     (
119      SoReplacedElement::getElement(state, classStackIndex, node)
120      );
121   if (elem) {
122     elem->setElt(factor, units, styles, on);
123   }
124 }
125 
126 //! FIXME: write doc.
127 
128 void
get(SoState * state,float & factor,float & units,Style & styles,SbBool & on)129 SoPolygonOffsetElement::get(SoState * state, float & factor, float & units,
130                             Style & styles, SbBool & on)
131 {
132   const SoPolygonOffsetElement * elem =
133     coin_assert_cast<const SoPolygonOffsetElement *>
134     (
135      SoElement::getConstElement(state, classStackIndex)
136      );
137 
138   factor = elem->offsetfactor;
139   units = elem->offsetunits;
140   styles = elem->style;
141   on = elem->active;
142 }
143 
144 //! FIXME: write doc.
145 
146 void
setElt(float factor,float units,Style styles,SbBool on)147 SoPolygonOffsetElement::setElt(float factor, float units,
148                                Style styles, SbBool on)
149 {
150   this->offsetfactor = factor;
151   this->offsetunits = units;
152   this->style = styles;
153   this->active = on;
154 }
155 
156 //! FIXME: write doc.
157 
158 void
getDefault(float & factor,float & units,Style & styles,SbBool & on)159 SoPolygonOffsetElement::getDefault(float & factor, float & units,
160                                    Style & styles, SbBool & on)
161 {
162   factor = 0.0f;
163   units = 0.0f;
164   styles = SoPolygonOffsetElement::FILLED;
165   on = FALSE;
166 }
167