diff options
Diffstat (limited to 'agg/inc/agg_span_subdiv_adaptor.h')
| -rwxr-xr-x | agg/inc/agg_span_subdiv_adaptor.h | 141 |
1 files changed, 0 insertions, 141 deletions
diff --git a/agg/inc/agg_span_subdiv_adaptor.h b/agg/inc/agg_span_subdiv_adaptor.h deleted file mode 100755 index 60196d705bdb..000000000000 --- a/agg/inc/agg_span_subdiv_adaptor.h +++ /dev/null @@ -1,141 +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 -//---------------------------------------------------------------------------- -#ifndef AGG_SPAN_SUBDIV_ADAPTOR_INCLUDED -#define AGG_SPAN_SUBDIV_ADAPTOR_INCLUDED - -#include "agg_basics.h" - -namespace agg -{ - - //=================================================span_subdiv_adaptor - template<class Interpolator, unsigned SubpixelShift = 8> - class span_subdiv_adaptor - { - public: - typedef Interpolator interpolator_type; - typedef typename interpolator_type::trans_type trans_type; - - enum - { - subpixel_shift = SubpixelShift, - subpixel_size = 1 << subpixel_shift - }; - - - //---------------------------------------------------------------- - span_subdiv_adaptor() : - m_subdiv_shift(4), - m_subdiv_size(1 << m_subdiv_shift), - m_subdiv_mask(m_subdiv_size - 1) {} - - span_subdiv_adaptor(interpolator_type& interpolator, - unsigned subdiv_shift = 4) : - m_subdiv_shift(subdiv_shift), - m_subdiv_size(1 << m_subdiv_shift), - m_subdiv_mask(m_subdiv_size - 1), - m_interpolator(&interpolator) {} - - span_subdiv_adaptor(interpolator_type& interpolator, - double x, double y, unsigned len, - unsigned subdiv_shift = 4) : - m_subdiv_shift(subdiv_shift), - m_subdiv_size(1 << m_subdiv_shift), - m_subdiv_mask(m_subdiv_size - 1), - m_interpolator(&interpolator) - { - begin(x, y, len); - } - - - //---------------------------------------------------------------- - const interpolator_type& interpolator() const { return *m_interpolator; } - void interpolator(interpolator_type& intr) { m_interpolator = &intr; } - - //---------------------------------------------------------------- - const trans_type& transformer() const - { - return *m_interpolator->transformer(); - } - void transformer(const trans_type& trans) - { - m_interpolator->transformer(trans); - } - - //---------------------------------------------------------------- - unsigned subdiv_shift() const { return m_subdiv_shift; } - void subdiv_shift(unsigned shift) - { - m_subdiv_shift = shift; - m_subdiv_size = 1 << m_subdiv_shift; - m_subdiv_mask = m_subdiv_size - 1; - } - - //---------------------------------------------------------------- - void begin(double x, double y, unsigned len) - { - m_pos = 1; - m_src_x = int(x * subpixel_size) + subpixel_size; - m_src_y = y; - m_len = len; - if(len > m_subdiv_size) len = m_subdiv_size; - m_interpolator->begin(x, y, len); - } - - //---------------------------------------------------------------- - void operator++() - { - ++(*m_interpolator); - if(m_pos >= m_subdiv_size) - { - unsigned len = m_len; - if(len > m_subdiv_size) len = m_subdiv_size; - m_interpolator->resynchronize(double(m_src_x) / double(subpixel_size) + len, - m_src_y, - len); - m_pos = 0; - } - m_src_x += subpixel_size; - ++m_pos; - --m_len; - } - - //---------------------------------------------------------------- - void coordinates(int* x, int* y) const - { - m_interpolator->coordinates(x, y); - } - - //---------------------------------------------------------------- - void local_scale(int* x, int* y) const - { - m_interpolator->local_scale(x, y); - } - - - private: - unsigned m_subdiv_shift; - unsigned m_subdiv_size; - unsigned m_subdiv_mask; - interpolator_type* m_interpolator; - int m_src_x; - double m_src_y; - unsigned m_pos; - unsigned m_len; - }; - -} - -#endif |