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QtColorTranslator.hh
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50 
51 
52 //=============================================================================
53 //
54 // CLASS QtColorTranslator
55 //
56 //=============================================================================
57 
58 
59 #ifndef ACG_QTCOLORTRANSLATOR_HH
60 #define ACG_QTCOLORTRANSLATOR_HH
61 
62 
63 //== INCLUDES =================================================================
64 
65 #include <QGLContext>
66 
67 #include "../Config/ACGDefines.hh"
68 
69 //== NAMESPACES ===============================================================
70 
71 namespace ACG {
72 
73 
74 //== CLASS DEFINITION =========================================================
75 
76 
86 class ACGDLLEXPORT QtColorTranslator
87 {
88 public:
89 
91  QtColorTranslator() : initialized_(false),
92  redBits_(0), greenBits_(0), blueBits_(0),
93  redMask_(0), greenMask_(0), blueMask_(0),
94  redShift_(0), greenShift_(0), blueShift_(0),
95  redRound_(0), greenRound_(0), blueRound_(0)
96  {};
97 
99  QtColorTranslator(QGLContext& _context)
100  { initialize(_context); }
101 
104 
105 
107  void initialize();
108 
110  void initialize(QGLContext& _context)
111  { _context.makeCurrent(); initialize(); }
112 
114  bool initialized() const { return initialized_; }
115 
116 
118  bool index2color( unsigned int _idx, QRgb& _col ) const;
120  bool index2color( unsigned int _idx,
121  QRgb& _frontColor,
122  QRgb& _backColor ) const;
123 
124 
126  int color2index( QRgb _c ) const;
128  int color2index( QRgb _frontColor, QRgb _backColor ) const;
129 
130 
132  unsigned int maxIndex() const;
133 
134 
135 private:
136 
137  bool initialized_;
138  GLint redBits_, greenBits_, blueBits_;
139  GLuint redMask_, greenMask_, blueMask_,
140  redShift_, greenShift_, blueShift_,
141  redRound_, greenRound_, blueRound_;
142 };
143 
144 
145 //=============================================================================
146 } // namespace ACG
147 //=============================================================================
148 #endif // ACG_QTCOLORTRANSLATOR_HH defined
149 //=============================================================================
150 
bool initialized() const
has it been initialized?
Namespace providing different geometric functions concerning angles.
Definition: DBSCANT.cc:51
QtColorTranslator(QGLContext &_context)
construct with QGLcontext
QtColorTranslator()
Default constructor.
void initialize(QGLContext &_context)
init with given QGLcontext
~QtColorTranslator()
Destructor.