agg/inc/agg_span_solid.h

   1 //----------------------------------------------------------------------------
   2 // Anti-Grain Geometry - Version 2.3
   3 // Copyright (C) 2002-2005 Maxim Shemanarev (http://www.antigrain.com)
   4 //
   5 // Permission to copy, use, modify, sell and distribute this software
   6 // is granted provided this copyright notice appears in all copies.
   7 // This software is provided "as is" without express or implied
   8 // warranty, and with no claim as to its suitability for any purpose.
   9 //
  10 //----------------------------------------------------------------------------
  11 // Contact: mcseem@antigrain.com
  12 //          mcseemagg@yahoo.com
  13 //          http://www.antigrain.com
  14 //----------------------------------------------------------------------------
  15 //
  16 // span_solid_rgba8
  17 //
  18 //----------------------------------------------------------------------------
  19
  20 #ifndef AGG_SPAN_SOLID_INCLUDED
  21 #define AGG_SPAN_SOLID_INCLUDED
  22
  23 #include "agg_basics.h"
  24 #include "agg_span_generator.h"
  25
  26 namespace agg
  27 {
  28     //--------------------------------------------------------------span_solid
  29     template<class ColorT, class Allocator = span_allocator<ColorT> >
  30     class span_solid : public span_generator<ColorT, Allocator>
  31     {
  32     public:
  33         typedef Allocator alloc_type;
  34         typedef ColorT color_type;
  35         typedef span_generator<color_type, alloc_type> base_type;
  36
  37         //--------------------------------------------------------------------
  38         span_solid(alloc_type& alloc) : base_type(alloc) {}
  39
  40         //--------------------------------------------------------------------
  41         void color(const color_type& c) { m_color = c; }
  42         const color_type& color() const { return m_color; }
  43
  44         //--------------------------------------------------------------------
  45         color_type* generate(int x, int y, unsigned len)
  46         {
  47             color_type* span = base_type::allocator().span();
  48             do
  49             {
  50                 *span++ = m_color;
  51             }
  52             while(--len);
  53             return base_type::allocator().span();
  54         }
  55
  56     private:
  57         color_type m_color;
  58     };
  59
  60
  61 }
  62
  63 #endif