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Diffstat (limited to 'third_party/agg23/agg_color_gray.h')
| -rw-r--r-- | third_party/agg23/agg_color_gray.h | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/third_party/agg23/agg_color_gray.h b/third_party/agg23/agg_color_gray.h new file mode 100644 index 0000000000..5db7bcaf28 --- /dev/null +++ b/third_party/agg23/agg_color_gray.h @@ -0,0 +1,50 @@ + +//---------------------------------------------------------------------------- +// 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 |