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32
33 /*!
34 \class SoPackedColorV20 SoPackedColorV20.h
35 \brief The SoPackedColorV20 class is a node is for Inventor V2.0 support only.
36
37 \ingroup nodes
38
39 \sa SoPackedColor
40 */
41
42 #include "upgraders/SoPackedColorV20.h"
43
44 #include <Inventor/nodes/SoPackedColor.h>
45
46 #include "nodes/SoSubNodeP.h"
47
48 /*!
49 \var SoMFUInt32 SoPackedColorV20::rgba
50
51 Set of packed 32-bit RGBA vectors.
52
53 The most significant 8 bits specifies the transparency value, where
54 0x00 means completely transparent, and 0xff completely opaque.
55
56 The least significant 24 bits specifies 8 bits each for the blue,
57 green and red components.
58 */
59
60 // *************************************************************************
61
62 SO_NODE_SOURCE(SoPackedColorV20);
63
64 /*!
65 Constructor.
66 */
SoPackedColorV20()67 SoPackedColorV20::SoPackedColorV20()
68 {
69 SO_NODE_INTERNAL_CONSTRUCTOR(SoPackedColorV20);
70
71 SO_NODE_ADD_FIELD(rgba, (0xffcccccc));
72 }
73
74 /*!
75 Destructor.
76 */
~SoPackedColorV20()77 SoPackedColorV20::~SoPackedColorV20()
78 {
79 }
80
81 // Doc from superclass.
82 void
initClass(void)83 SoPackedColorV20::initClass(void)
84 {
85 SO_NODE_INTERNAL_INIT_CLASS(SoPackedColorV20, SoNode::INVENTOR_2_0|SoNode::INVENTOR_1);
86 }
87
88 SoPackedColor *
createUpgrade(void) const89 SoPackedColorV20::createUpgrade(void) const
90 {
91 SoPackedColor * pp = new SoPackedColor;
92 pp->ref();
93
94 const int n = this->rgba.getNum();
95 const uint32_t * src = this->rgba.getValues(0);
96 pp->orderedRGBA.setNum(n);
97 uint32_t * dst = pp->orderedRGBA.startEditing();
98 for (int i = 0; i < n; i++) {
99 uint32_t val = src[i];
100 dst[i] = (val<<24)|((val<<8)&0xff0000)|((val>>8)&0xff00)|(val>>24);
101 }
102 pp->orderedRGBA.finishEditing();
103
104 pp->unrefNoDelete();
105 return pp;
106 }
107