| |
| //---------------------------------------------------------------------------- |
| // Anti-Grain Geometry - Version 2.3 |
| // Copyright (C) 2002-2005 Maxim Shemanarev (http://www.antigrain.com) |
| // |
| // Permission to copy, use, modify, sell and distribute this software |
| // is granted provided this copyright notice appears in all copies. |
| // This software is provided "as is" without express or implied |
| // warranty, and with no claim as to its suitability for any purpose. |
| // |
| //---------------------------------------------------------------------------- |
| // Contact: mcseem@antigrain.com |
| // mcseemagg@yahoo.com |
| // http://www.antigrain.com |
| //---------------------------------------------------------------------------- |
| // |
| // Adaptation for high precision colors has been sponsored by |
| // Liberty Technology Systems, Inc., visit http://lib-sys.com |
| // |
| // Liberty Technology Systems, Inc. is the provider of |
| // PostScript and PDF technology for software developers. |
| // |
| //---------------------------------------------------------------------------- |
| // |
| // color types gray8, gray16 |
| // |
| //---------------------------------------------------------------------------- |
| #ifndef AGG_COLOR_GRAY_INCLUDED |
| #define AGG_COLOR_GRAY_INCLUDED |
| #include "agg_basics.h" |
| namespace agg |
| { |
| struct gray8 { |
| typedef int8u value_type; |
| typedef int32u calc_type; |
| typedef int32 long_type; |
| enum base_scale_e { |
| base_shift = 8, |
| base_size = 1 << base_shift, |
| base_mask = base_size - 1 |
| }; |
| typedef gray8 self_type; |
| value_type v; |
| value_type a; |
| gray8() {} |
| gray8(unsigned v_, unsigned a_ = base_mask) : |
| v(int8u(v_)), a(int8u(a_)) {} |
| }; |
| } |
| #endif |
