| 1 | ///////////////////////////////////////////////////////////////////////////// |
| 2 | // Name: colour.h |
| 3 | // Purpose: |
| 4 | // Author: Robert Roebling |
| 5 | // Id: $Id$ |
| 6 | // Copyright: (c) 1998 Robert Roebling |
| 7 | // Licence: wxWindows licence |
| 8 | ///////////////////////////////////////////////////////////////////////////// |
| 9 | |
| 10 | |
| 11 | #ifndef __GTKCOLOURH__ |
| 12 | #define __GTKCOLOURH__ |
| 13 | |
| 14 | #ifdef __GNUG__ |
| 15 | #pragma interface |
| 16 | #endif |
| 17 | |
| 18 | #include "wx/defs.h" |
| 19 | #include "wx/object.h" |
| 20 | #include "wx/string.h" |
| 21 | #include "wx/gdiobj.h" |
| 22 | #include "wx/palette.h" |
| 23 | |
| 24 | //----------------------------------------------------------------------------- |
| 25 | // classes |
| 26 | //----------------------------------------------------------------------------- |
| 27 | |
| 28 | class wxDC; |
| 29 | class wxPaintDC; |
| 30 | class wxBitmap; |
| 31 | class wxWindow; |
| 32 | |
| 33 | class wxColour; |
| 34 | |
| 35 | //----------------------------------------------------------------------------- |
| 36 | // wxColour |
| 37 | //----------------------------------------------------------------------------- |
| 38 | |
| 39 | class wxColour: public wxGDIObject |
| 40 | { |
| 41 | public: |
| 42 | // ctors |
| 43 | // default |
| 44 | wxColour(); |
| 45 | // from RGB |
| 46 | wxColour( unsigned char red, unsigned char green, unsigned char blue ); |
| 47 | wxColour( unsigned long colRGB ) { Set(colRGB); } |
| 48 | |
| 49 | // implicit conversion from the colour name |
| 50 | wxColour( const wxString &colourName ) { InitFromName(colourName); } |
| 51 | wxColour( const char *colourName ) { InitFromName(colourName); } |
| 52 | |
| 53 | // copy ctors and assignment operators |
| 54 | wxColour( const wxColour& col ); |
| 55 | wxColour& operator = ( const wxColour& col ); |
| 56 | |
| 57 | // dtor |
| 58 | ~wxColour(); |
| 59 | |
| 60 | // comparison |
| 61 | bool operator == ( const wxColour& col ) const; |
| 62 | bool operator != ( const wxColour& col ) const; |
| 63 | |
| 64 | // accessors |
| 65 | void Set( unsigned char red, unsigned char green, unsigned char blue ); |
| 66 | void Set( unsigned long colRGB ) |
| 67 | { |
| 68 | // we don't need to know sizeof(long) here because we assume that the three |
| 69 | // least significant bytes contain the R, G and B values |
| 70 | Set((unsigned char)colRGB, |
| 71 | (unsigned char)(colRGB >> 8), |
| 72 | (unsigned char)(colRGB >> 16)); |
| 73 | } |
| 74 | |
| 75 | unsigned char Red() const; |
| 76 | unsigned char Green() const; |
| 77 | unsigned char Blue() const; |
| 78 | bool Ok() const; |
| 79 | |
| 80 | // implementation |
| 81 | void CalcPixel( GdkColormap *cmap ); |
| 82 | int GetPixel() const; |
| 83 | GdkColor *GetColor() const; |
| 84 | |
| 85 | protected: |
| 86 | // helper functions |
| 87 | void InitFromName(const wxString& colourName); |
| 88 | |
| 89 | private: |
| 90 | DECLARE_DYNAMIC_CLASS(wxColour) |
| 91 | }; |
| 92 | |
| 93 | #endif // __GTKCOLOURH__ |