diff --git a/uppsrc/Painter/agg_scanline_p.h b/uppsrc/Painter/agg_scanline_p.h index 1d1cbe72f..4607032b4 100644 --- a/uppsrc/Painter/agg_scanline_p.h +++ b/uppsrc/Painter/agg_scanline_p.h @@ -1,329 +1,329 @@ -//---------------------------------------------------------------------------- -// Anti-Grain Geometry - Version 2.4 -// 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 -//---------------------------------------------------------------------------- -// -// Class scanline_p - a general purpose scanline container with packed spans. -// -//---------------------------------------------------------------------------- -// -// Adaptation for 32-bit screen coordinates (scanline32_p) 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_SCANLINE_P_INCLUDED -#define AGG_SCANLINE_P_INCLUDED - -#include "agg_array.h" - -namespace agg -{ - - //=============================================================scanline_p8 - // - // This is a general purpose scaline container which supports the interface - // used in the rasterizer::render(). See description of scanline_u8 - // for details. - // - //------------------------------------------------------------------------ - class scanline_p8 - { - public: - typedef scanline_p8 self_type; - typedef int8u cover_type; - typedef int16 coord_type; - - //-------------------------------------------------------------------- - struct span - { - coord_type x; - coord_type len; // If negative, it's a solid span, covers is valid - const cover_type* covers; - }; - - typedef span* iterator; - typedef const span* const_iterator; - - scanline_p8() : - m_last_x(0x7FFFFFF0), - m_covers(), - m_cover_ptr(0), - m_spans(), - m_cur_span(0) - { - } - - //-------------------------------------------------------------------- - void reset(int min_x, int max_x) - { - unsigned max_len = max_x - min_x + 3; - if(max_len > m_spans.size()) - { - m_spans.resize(max_len); - m_covers.resize(max_len); - } - m_last_x = 0x7FFFFFF0; - m_cover_ptr = &m_covers[0]; - m_cur_span = &m_spans[0]; - m_cur_span->len = 0; - } - - //-------------------------------------------------------------------- - void add_cell(int x, unsigned cover) - { - *m_cover_ptr = (cover_type)cover; - if(x == m_last_x+1 && m_cur_span->len > 0) - { - m_cur_span->len++; - } - else - { - m_cur_span++; - m_cur_span->covers = m_cover_ptr; - m_cur_span->x = (int16)x; - m_cur_span->len = 1; - } - m_last_x = x; - m_cover_ptr++; - } - - //-------------------------------------------------------------------- - void add_cells(int x, unsigned len, const cover_type* covers) - { - memcpy(m_cover_ptr, covers, len * sizeof(cover_type)); - if(x == m_last_x+1 && m_cur_span->len > 0) - { - m_cur_span->len += (int16)len; - } - else - { - m_cur_span++; - m_cur_span->covers = m_cover_ptr; - m_cur_span->x = (int16)x; - m_cur_span->len = (int16)len; - } - m_cover_ptr += len; - m_last_x = x + len - 1; - } - - //-------------------------------------------------------------------- - void add_span(int x, unsigned len, unsigned cover) - { - if(x == m_last_x+1 && - m_cur_span->len < 0 && - cover == *m_cur_span->covers) - { - m_cur_span->len -= (int16)len; - } - else - { - *m_cover_ptr = (cover_type)cover; - m_cur_span++; - m_cur_span->covers = m_cover_ptr++; - m_cur_span->x = (int16)x; - m_cur_span->len = (int16)(-int(len)); - } - m_last_x = x + len - 1; - } - - //-------------------------------------------------------------------- - void finalize(int y) - { - m_y = y; - } - - //-------------------------------------------------------------------- - void reset_spans() - { - m_last_x = 0x7FFFFFF0; - m_cover_ptr = &m_covers[0]; - m_cur_span = &m_spans[0]; - m_cur_span->len = 0; - } - - //-------------------------------------------------------------------- - int y() const { return m_y; } - unsigned num_spans() const { return unsigned(m_cur_span - &m_spans[0]); } - const_iterator begin() const { return &m_spans[1]; } - - private: - scanline_p8(const self_type&); - const self_type& operator = (const self_type&); - - int m_last_x; - int m_y; - pod_array m_covers; - cover_type* m_cover_ptr; - pod_array m_spans; - span* m_cur_span; - }; - - - - - - - - - //==========================================================scanline32_p8 - class scanline32_p8 - { - public: - typedef scanline32_p8 self_type; - typedef int8u cover_type; - typedef int32 coord_type; - - struct span - { - span() {} - span(coord_type x_, coord_type len_, const cover_type* covers_) : - x(x_), len(len_), covers(covers_) {} - - coord_type x; - coord_type len; // If negative, it's a solid span, covers is valid - const cover_type* covers; - }; - typedef pod_bvector span_array_type; - - - //-------------------------------------------------------------------- - class const_iterator - { - public: - const_iterator(const span_array_type& spans) : - m_spans(spans), - m_span_idx(0) - {} - - const span& operator*() const { return m_spans[m_span_idx]; } - const span* operator->() const { return &m_spans[m_span_idx]; } - - void operator ++ () { ++m_span_idx; } - - private: - const span_array_type& m_spans; - unsigned m_span_idx; - }; - - //-------------------------------------------------------------------- - scanline32_p8() : - m_max_len(0), - m_last_x(0x7FFFFFF0), - m_covers(), - m_cover_ptr(0) - { - } - - //-------------------------------------------------------------------- - void reset(int min_x, int max_x) - { - unsigned max_len = max_x - min_x + 3; - if(max_len > m_covers.size()) - { - m_covers.resize(max_len); - } - m_last_x = 0x7FFFFFF0; - m_cover_ptr = &m_covers[0]; - m_spans.remove_all(); - } - - //-------------------------------------------------------------------- - void add_cell(int x, unsigned cover) - { - *m_cover_ptr = cover_type(cover); - if(x == m_last_x+1 && m_spans.size() && m_spans.last().len > 0) - { - m_spans.last().len++; - } - else - { - m_spans.add(span(coord_type(x), 1, m_cover_ptr)); - } - m_last_x = x; - m_cover_ptr++; - } - - //-------------------------------------------------------------------- - void add_cells(int x, unsigned len, const cover_type* covers) - { - memcpy(m_cover_ptr, covers, len * sizeof(cover_type)); - if(x == m_last_x+1 && m_spans.size() && m_spans.last().len > 0) - { - m_spans.last().len += coord_type(len); - } - else - { - m_spans.add(span(coord_type(x), coord_type(len), m_cover_ptr)); - } - m_cover_ptr += len; - m_last_x = x + len - 1; - } - - //-------------------------------------------------------------------- - void add_span(int x, unsigned len, unsigned cover) - { - if(x == m_last_x+1 && - m_spans.size() && - m_spans.last().len < 0 && - cover == *m_spans.last().covers) - { - m_spans.last().len -= coord_type(len); - } - else - { - *m_cover_ptr = cover_type(cover); - m_spans.add(span(coord_type(x), -coord_type(len), m_cover_ptr++)); - } - m_last_x = x + len - 1; - } - - //-------------------------------------------------------------------- - void finalize(int y) - { - m_y = y; - } - - //-------------------------------------------------------------------- - void reset_spans() - { - m_last_x = 0x7FFFFFF0; - m_cover_ptr = &m_covers[0]; - m_spans.remove_all(); - } - - //-------------------------------------------------------------------- - int y() const { return m_y; } - unsigned num_spans() const { return m_spans.size(); } - const_iterator begin() const { return const_iterator(m_spans); } - - private: - scanline32_p8(const self_type&); - const self_type& operator = (const self_type&); - - unsigned m_max_len; - int m_last_x; - int m_y; - pod_array m_covers; - cover_type* m_cover_ptr; - span_array_type m_spans; - }; - - -} - - -#endif - +//---------------------------------------------------------------------------- +// Anti-Grain Geometry - Version 2.4 +// 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 +//---------------------------------------------------------------------------- +// +// Class scanline_p - a general purpose scanline container with packed spans. +// +//---------------------------------------------------------------------------- +// +// Adaptation for 32-bit screen coordinates (scanline32_p) 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_SCANLINE_P_INCLUDED +#define AGG_SCANLINE_P_INCLUDED + +#include "agg_array.h" + +namespace agg +{ + + //=============================================================scanline_p8 + // + // This is a general purpose scaline container which supports the interface + // used in the rasterizer::render(). See description of scanline_u8 + // for details. + // + //------------------------------------------------------------------------ + class scanline_p8 + { + public: + typedef scanline_p8 self_type; + typedef int8u cover_type; + typedef int16 coord_type; + + //-------------------------------------------------------------------- + struct span + { + coord_type x; + coord_type len; // If negative, it's a solid span, covers is valid + const cover_type* covers; + }; + + typedef span* iterator; + typedef const span* const_iterator; + + scanline_p8() : + m_last_x(0x7FFFFFF0), + m_covers(), + m_cover_ptr(0), + m_spans(), + m_cur_span(0) + { + } + + //-------------------------------------------------------------------- + void reset(int min_x, int max_x) + { + unsigned max_len = max_x - min_x + 3; + if(max_len > m_spans.size()) + { + m_spans.resize(max_len); + m_covers.resize(max_len); + } + m_last_x = 0x7FFFFFF0; + m_cover_ptr = &m_covers[0]; + m_cur_span = &m_spans[0]; + m_cur_span->len = 0; + } + + //-------------------------------------------------------------------- + void add_cell(int x, unsigned cover) + { + *m_cover_ptr = (cover_type)cover; + if(x == m_last_x+1 && m_cur_span->len > 0) + { + m_cur_span->len++; + } + else + { + m_cur_span++; + m_cur_span->covers = m_cover_ptr; + m_cur_span->x = (int16)x; + m_cur_span->len = 1; + } + m_last_x = x; + m_cover_ptr++; + } + + //-------------------------------------------------------------------- + /*void add_cells(int x, unsigned len, const cover_type* covers) + { + memcpy(m_cover_ptr, covers, len * sizeof(cover_type)); + if(x == m_last_x+1 && m_cur_span->len > 0) + { + m_cur_span->len += (int16)len; + } + else + { + m_cur_span++; + m_cur_span->covers = m_cover_ptr; + m_cur_span->x = (int16)x; + m_cur_span->len = (int16)len; + } + m_cover_ptr += len; + m_last_x = x + len - 1; + } +*/ + //-------------------------------------------------------------------- + void add_span(int x, unsigned len, unsigned cover) + { + if(x == m_last_x+1 && + m_cur_span->len < 0 && + cover == *m_cur_span->covers) + { + m_cur_span->len -= (int16)len; + } + else + { + *m_cover_ptr = (cover_type)cover; + m_cur_span++; + m_cur_span->covers = m_cover_ptr++; + m_cur_span->x = (int16)x; + m_cur_span->len = (int16)(-int(len)); + } + m_last_x = x + len - 1; + } + + //-------------------------------------------------------------------- + void finalize(int y) + { + m_y = y; + } + + //-------------------------------------------------------------------- + void reset_spans() + { + m_last_x = 0x7FFFFFF0; + m_cover_ptr = &m_covers[0]; + m_cur_span = &m_spans[0]; + m_cur_span->len = 0; + } + + //-------------------------------------------------------------------- + int y() const { return m_y; } + unsigned num_spans() const { return unsigned(m_cur_span - &m_spans[0]); } + const_iterator begin() const { return &m_spans[1]; } + + private: + scanline_p8(const self_type&); + const self_type& operator = (const self_type&); + + int m_last_x; + int m_y; + pod_array m_covers; + cover_type* m_cover_ptr; + pod_array m_spans; + span* m_cur_span; + }; + + + + + + + + + //==========================================================scanline32_p8 + class scanline32_p8 + { + public: + typedef scanline32_p8 self_type; + typedef int8u cover_type; + typedef int32 coord_type; + + struct span + { + span() {} + span(coord_type x_, coord_type len_, const cover_type* covers_) : + x(x_), len(len_), covers(covers_) {} + + coord_type x; + coord_type len; // If negative, it's a solid span, covers is valid + const cover_type* covers; + }; + typedef pod_bvector span_array_type; + + + //-------------------------------------------------------------------- + class const_iterator + { + public: + const_iterator(const span_array_type& spans) : + m_spans(spans), + m_span_idx(0) + {} + + const span& operator*() const { return m_spans[m_span_idx]; } + const span* operator->() const { return &m_spans[m_span_idx]; } + + void operator ++ () { ++m_span_idx; } + + private: + const span_array_type& m_spans; + unsigned m_span_idx; + }; + + //-------------------------------------------------------------------- + scanline32_p8() : + m_max_len(0), + m_last_x(0x7FFFFFF0), + m_covers(), + m_cover_ptr(0) + { + } + + //-------------------------------------------------------------------- + void reset(int min_x, int max_x) + { + unsigned max_len = max_x - min_x + 3; + if(max_len > m_covers.size()) + { + m_covers.resize(max_len); + } + m_last_x = 0x7FFFFFF0; + m_cover_ptr = &m_covers[0]; + m_spans.remove_all(); + } + + //-------------------------------------------------------------------- + void add_cell(int x, unsigned cover) + { + *m_cover_ptr = cover_type(cover); + if(x == m_last_x+1 && m_spans.size() && m_spans.last().len > 0) + { + m_spans.last().len++; + } + else + { + m_spans.add(span(coord_type(x), 1, m_cover_ptr)); + } + m_last_x = x; + m_cover_ptr++; + } + + //-------------------------------------------------------------------- + void add_cells(int x, unsigned len, const cover_type* covers) + { + memcpy(m_cover_ptr, covers, len * sizeof(cover_type)); + if(x == m_last_x+1 && m_spans.size() && m_spans.last().len > 0) + { + m_spans.last().len += coord_type(len); + } + else + { + m_spans.add(span(coord_type(x), coord_type(len), m_cover_ptr)); + } + m_cover_ptr += len; + m_last_x = x + len - 1; + } + + //-------------------------------------------------------------------- + void add_span(int x, unsigned len, unsigned cover) + { + if(x == m_last_x+1 && + m_spans.size() && + m_spans.last().len < 0 && + cover == *m_spans.last().covers) + { + m_spans.last().len -= coord_type(len); + } + else + { + *m_cover_ptr = cover_type(cover); + m_spans.add(span(coord_type(x), -coord_type(len), m_cover_ptr++)); + } + m_last_x = x + len - 1; + } + + //-------------------------------------------------------------------- + void finalize(int y) + { + m_y = y; + } + + //-------------------------------------------------------------------- + void reset_spans() + { + m_last_x = 0x7FFFFFF0; + m_cover_ptr = &m_covers[0]; + m_spans.remove_all(); + } + + //-------------------------------------------------------------------- + int y() const { return m_y; } + unsigned num_spans() const { return m_spans.size(); } + const_iterator begin() const { return const_iterator(m_spans); } + + private: + scanline32_p8(const self_type&); + const self_type& operator = (const self_type&); + + unsigned m_max_len; + int m_last_x; + int m_y; + pod_array m_covers; + cover_type* m_cover_ptr; + span_array_type m_spans; + }; + + +} + + +#endif +