src/mac/carbon/colour.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/mac/carbon/colour.cpp
   3 // Purpose:     wxColour class
   4 // Author:      Stefan Csomor
   5 // Modified by:
   6 // Created:     1998-01-01
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Stefan Csomor
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #include "wx/wxprec.h"
  13
  14 #include "wx/colour.h"
  15
  16 #ifndef WX_PRECOMP
  17     #include "wx/gdicmn.h"
  18 #endif
  19
  20 #include "wx/mac/private.h"
  21
  22 IMPLEMENT_DYNAMIC_CLASS(wxColour, wxObject)
  23
  24 wxColour::wxColour(const RGBColor& col)
  25 {
  26     FromRGBColor((WXCOLORREF *)&col);
  27 }
  28
  29 static void wxComposeRGBColor( WXCOLORREF* color , int red, int blue, int green )
  30 {
  31     RGBColor* col = (RGBColor*) color;
  32     col->red = (red << 8) + red;
  33     col->blue = (blue << 8) + blue;
  34     col->green = (green << 8) + green;
  35 }
  36
  37 void wxColour::Init()
  38 {
  39     m_isInit = false;
  40     m_red =
  41     m_blue =
  42     m_green = 0;
  43
  44     wxComposeRGBColor( &m_pixel, m_red, m_blue, m_green );
  45 }
  46
  47 wxColour::~wxColour ()
  48 {
  49 }
  50
  51 void wxColour::InitRGBA (unsigned char r, unsigned char g, unsigned char b, unsigned char a)
  52 {
  53     m_red = r;
  54     m_green = g;
  55     m_blue = b;
  56     m_alpha = a ;
  57     m_isInit = true;
  58
  59     wxComposeRGBColor( &m_pixel , m_red , m_blue , m_green );
  60 }
  61
  62 void wxColour::FromRGBColor( WXCOLORREF* color )
  63 {
  64     RGBColor* col = (RGBColor*) color;
  65     memcpy( &m_pixel, color, 6 );
  66     m_red = col->red >> 8;
  67     m_blue = col->blue >> 8;
  68     m_green = col->green >> 8;
  69     m_alpha = 255;
  70 }
  71
  72 wxColour& wxColour::operator=(const RGBColor& col)
  73 {
  74     FromRGBColor((WXCOLORREF *)&col);
  75     return *this;
  76 }
  77
  78 bool wxColour::IsOk() const
  79 {
  80     return m_isInit;
  81 }
  82