diff options
Diffstat (limited to 'core/src/fxge/agg/agg23/agg_pixfmt_gray.h')
| -rw-r--r-- | core/src/fxge/agg/agg23/agg_pixfmt_gray.h | 177 |
1 files changed, 0 insertions, 177 deletions
diff --git a/core/src/fxge/agg/agg23/agg_pixfmt_gray.h b/core/src/fxge/agg/agg23/agg_pixfmt_gray.h deleted file mode 100644 index 5a80935479..0000000000 --- a/core/src/fxge/agg/agg23/agg_pixfmt_gray.h +++ /dev/null @@ -1,177 +0,0 @@ - -//---------------------------------------------------------------------------- -// 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. -// -//---------------------------------------------------------------------------- -#ifndef AGG_PIXFMT_GRAY_INCLUDED -#define AGG_PIXFMT_GRAY_INCLUDED -#include "agg_basics.h" -#include "agg_color_gray.h" -#include "agg_rendering_buffer.h" -namespace agg -{ -template<class ColorT> struct blender_gray { - typedef ColorT color_type; - typedef typename color_type::value_type value_type; - typedef typename color_type::calc_type calc_type; - enum base_scale_e { base_shift = color_type::base_shift }; - static AGG_INLINE void blend_pix(value_type* p, unsigned cv, - unsigned alpha, unsigned cover = 0) - { - *p = (value_type)((((cv - calc_type(*p)) * alpha) + (calc_type(*p) << base_shift)) >> base_shift); - } -}; -template<class Blender, unsigned Step = 1, unsigned Offset = 0> -class pixel_formats_gray -{ -public: - typedef rendering_buffer::row_data row_data; - typedef rendering_buffer::span_data span_data; - typedef typename Blender::color_type color_type; - typedef typename color_type::value_type value_type; - typedef typename color_type::calc_type calc_type; - enum base_scale_e { - base_shift = color_type::base_shift, - base_size = color_type::base_size, - base_mask = color_type::base_mask - }; -private: - static AGG_INLINE void copy_or_blend_pix(value_type* p, - const color_type& c, - unsigned cover) - { - if (c.a) { - calc_type alpha = (calc_type(c.a) * (cover + 1)) >> 8; - if(alpha == base_mask) { - *p = c.v; - } else { - Blender::blend_pix(p, c.v, alpha, cover); - } - } - } - static AGG_INLINE void copy_or_blend_pix(value_type* p, - const color_type& c) - { - if (c.a) { - if(c.a == base_mask) { - *p = c.v; - } else { - Blender::blend_pix(p, c.v, c.a); - } - } - } -public: - pixel_formats_gray(rendering_buffer& rb) : - m_rbuf(&rb) - {} - AGG_INLINE unsigned width() const - { - return m_rbuf->width(); - } - AGG_INLINE unsigned height() const - { - return m_rbuf->height(); - } - AGG_INLINE color_type pixel(int x, int y) const - { - value_type* p = (value_type*)m_rbuf->row(y) + x * Step + Offset; - return color_type(*p); - } - row_data row(int x, int y) const - { - return row_data(x, - width() - 1, - m_rbuf->row(y) + - x * Step * sizeof(value_type) + - Offset * sizeof(value_type)); - } - span_data span(int x, int y, unsigned len) - { - return span_data(x, len, - m_rbuf->row(y) + - x * Step * sizeof(value_type) + - Offset * sizeof(value_type)); - } - AGG_INLINE void copy_pixel(int x, int y, const color_type& c) - { - *((value_type*)m_rbuf->row(y) + x * Step + Offset) = c.v; - } - AGG_INLINE void blend_pixel(int x, int y, const color_type& c, int8u cover) - { - copy_or_blend_pix((value_type*)m_rbuf->row(y) + x * Step + Offset, c, cover); - } - AGG_INLINE void copy_hline(int x, int y, - unsigned len, - const color_type& c) - { - value_type* p = (value_type*)m_rbuf->row(y) + x * Step + Offset; - do { - *p = c.v; - p += Step; - } while(--len); - } - void blend_hline(int x, int y, - unsigned len, - const color_type& c, - int8u cover) - { - if (c.a) { - value_type* p = (value_type*)m_rbuf->row(y) + x * Step + Offset; - calc_type alpha = (calc_type(c.a) * (cover + 1)) >> 8; - if(alpha == base_mask) { - do { - *p = c.v; - p += Step; - } while(--len); - } else { - do { - Blender::blend_pix(p, c.v, alpha, cover); - p += Step; - } while(--len); - } - } - } - void blend_solid_hspan(int x, int y, - unsigned len, - const color_type& c, - const int8u* covers) - { - if (c.a) { - value_type* p = (value_type*)m_rbuf->row(y) + x * Step + Offset; - do { - calc_type alpha = (calc_type(c.a) * (calc_type(*covers) + 1)) >> 8; - if(alpha == base_mask) { - *p = c.v; - } else { - Blender::blend_pix(p, c.v, alpha, *covers); - } - p += Step; - ++covers; - } while(--len); - } - } -private: - rendering_buffer* m_rbuf; -}; -typedef blender_gray<gray8> blender_gray8; -typedef pixel_formats_gray<blender_gray8, 1, 0> pixfmt_gray8; -} -#endif |