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author | maxim-yurchuk <maxim-yurchuk@yandex-team.com> | 2025-02-11 13:26:52 +0300 |
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committer | maxim-yurchuk <maxim-yurchuk@yandex-team.com> | 2025-02-11 13:57:59 +0300 |
commit | f895bba65827952ed934b2b46f9a45e30a191fd2 (patch) | |
tree | 03260c906d9ec41cdc03e2a496b15d407459cec0 /contrib/python/matplotlib/py3/extern/agg24-svn/include/agg_scanline_u.h | |
parent | 5f7060466f7b9707818c2091e1a25c14f33c3474 (diff) | |
download | ydb-f895bba65827952ed934b2b46f9a45e30a191fd2.tar.gz |
Remove deps on pandas
<https://github.com/ydb-platform/ydb/pull/14418>
<https://github.com/ydb-platform/ydb/pull/14419>
\-- аналогичные правки в gh
Хочу залить в обход синка, чтобы посмотреть удалится ли pandas в нашей gh репе через piglet
commit_hash:abca127aa37d4dbb94b07e1e18cdb8eb5b711860
Diffstat (limited to 'contrib/python/matplotlib/py3/extern/agg24-svn/include/agg_scanline_u.h')
-rw-r--r-- | contrib/python/matplotlib/py3/extern/agg24-svn/include/agg_scanline_u.h | 499 |
1 files changed, 0 insertions, 499 deletions
diff --git a/contrib/python/matplotlib/py3/extern/agg24-svn/include/agg_scanline_u.h b/contrib/python/matplotlib/py3/extern/agg24-svn/include/agg_scanline_u.h deleted file mode 100644 index 2628f55f47b..00000000000 --- a/contrib/python/matplotlib/py3/extern/agg24-svn/include/agg_scanline_u.h +++ /dev/null @@ -1,499 +0,0 @@ -//---------------------------------------------------------------------------- -// 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 -//---------------------------------------------------------------------------- -// -// Adaptation for 32-bit screen coordinates (scanline32_u) 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_U_INCLUDED -#define AGG_SCANLINE_U_INCLUDED - -#include "agg_array.h" - -namespace agg -{ - //=============================================================scanline_u8 - // - // Unpacked scanline container class - // - // This class is used to transfer data from a scanline rasterizer - // to the rendering buffer. It's organized very simple. The class stores - // information of horizontal spans to render it into a pixel-map buffer. - // Each span has staring X, length, and an array of bytes that determine the - // cover-values for each pixel. - // Before using this class you should know the minimal and maximal pixel - // coordinates of your scanline. The protocol of using is: - // 1. reset(min_x, max_x) - // 2. add_cell() / add_span() - accumulate scanline. - // When forming one scanline the next X coordinate must be always greater - // than the last stored one, i.e. it works only with ordered coordinates. - // 3. Call finalize(y) and render the scanline. - // 3. Call reset_spans() to prepare for the new scanline. - // - // 4. Rendering: - // - // Scanline provides an iterator class that allows you to extract - // the spans and the cover values for each pixel. Be aware that clipping - // has not been done yet, so you should perform it yourself. - // Use scanline_u8::iterator to render spans: - //------------------------------------------------------------------------- - // - // int y = sl.y(); // Y-coordinate of the scanline - // - // ************************************ - // ...Perform vertical clipping here... - // ************************************ - // - // scanline_u8::const_iterator span = sl.begin(); - // - // unsigned char* row = m_rbuf->row(y); // The address of the beginning - // // of the current row - // - // unsigned num_spans = sl.num_spans(); // Number of spans. It's guaranteed that - // // num_spans is always greater than 0. - // - // do - // { - // const scanline_u8::cover_type* covers = - // span->covers; // The array of the cover values - // - // int num_pix = span->len; // Number of pixels of the span. - // // Always greater than 0, still it's - // // better to use "int" instead of - // // "unsigned" because it's more - // // convenient for clipping - // int x = span->x; - // - // ************************************** - // ...Perform horizontal clipping here... - // ...you have x, covers, and pix_count.. - // ************************************** - // - // unsigned char* dst = row + x; // Calculate the start address of the row. - // // In this case we assume a simple - // // grayscale image 1-byte per pixel. - // do - // { - // *dst++ = *covers++; // Hypotetical rendering. - // } - // while(--num_pix); - // - // ++span; - // } - // while(--num_spans); // num_spans cannot be 0, so this loop is quite safe - //------------------------------------------------------------------------ - // - // The question is: why should we accumulate the whole scanline when we - // could render just separate spans when they're ready? - // That's because using the scanline is generally faster. When is consists - // of more than one span the conditions for the processor cash system - // are better, because switching between two different areas of memory - // (that can be very large) occurs less frequently. - //------------------------------------------------------------------------ - class scanline_u8 - { - public: - typedef scanline_u8 self_type; - typedef int8u cover_type; - typedef int16 coord_type; - - //-------------------------------------------------------------------- - struct span - { - coord_type x; - coord_type len; - cover_type* covers; - }; - - typedef span* iterator; - typedef const span* const_iterator; - - //-------------------------------------------------------------------- - scanline_u8() : - m_min_x(0), - m_last_x(0x7FFFFFF0), - m_cur_span(0) - {} - - //-------------------------------------------------------------------- - void reset(int min_x, int max_x) - { - unsigned max_len = max_x - min_x + 2; - if(max_len > m_spans.size()) - { - m_spans.resize(max_len); - m_covers.resize(max_len); - } - m_last_x = 0x7FFFFFF0; - m_min_x = min_x; - m_cur_span = &m_spans[0]; - } - - //-------------------------------------------------------------------- - void add_cell(int x, unsigned cover) - { - x -= m_min_x; - m_covers[x] = (cover_type)cover; - if(x == m_last_x+1) - { - m_cur_span->len++; - } - else - { - m_cur_span++; - m_cur_span->x = (coord_type)(x + m_min_x); - m_cur_span->len = 1; - m_cur_span->covers = &m_covers[x]; - } - m_last_x = x; - } - - //-------------------------------------------------------------------- - void add_cells(int x, unsigned len, const cover_type* covers) - { - x -= m_min_x; - memcpy(&m_covers[x], covers, len * sizeof(cover_type)); - if(x == m_last_x+1) - { - m_cur_span->len += (coord_type)len; - } - else - { - m_cur_span++; - m_cur_span->x = (coord_type)(x + m_min_x); - m_cur_span->len = (coord_type)len; - m_cur_span->covers = &m_covers[x]; - } - m_last_x = x + len - 1; - } - - //-------------------------------------------------------------------- - void add_span(int x, unsigned len, unsigned cover) - { - x -= m_min_x; - memset(&m_covers[x], cover, len); - if(x == m_last_x+1) - { - m_cur_span->len += (coord_type)len; - } - else - { - m_cur_span++; - m_cur_span->x = (coord_type)(x + m_min_x); - m_cur_span->len = (coord_type)len; - m_cur_span->covers = &m_covers[x]; - } - m_last_x = x + len - 1; - } - - //-------------------------------------------------------------------- - void finalize(int y) - { - m_y = y; - } - - //-------------------------------------------------------------------- - void reset_spans() - { - m_last_x = 0x7FFFFFF0; - m_cur_span = &m_spans[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]; } - iterator begin() { return &m_spans[1]; } - - private: - scanline_u8(const self_type&); - const self_type& operator = (const self_type&); - - private: - int m_min_x; - int m_last_x; - int m_y; - pod_array<cover_type> m_covers; - pod_array<span> m_spans; - span* m_cur_span; - }; - - - - - //==========================================================scanline_u8_am - // - // The scanline container with alpha-masking - // - //------------------------------------------------------------------------ - template<class AlphaMask> - class scanline_u8_am : public scanline_u8 - { - public: - typedef scanline_u8 base_type; - typedef AlphaMask alpha_mask_type; - typedef base_type::cover_type cover_type; - typedef base_type::coord_type coord_type; - - scanline_u8_am() : base_type(), m_alpha_mask(0) {} - scanline_u8_am(AlphaMask& am) : base_type(), m_alpha_mask(&am) {} - - //-------------------------------------------------------------------- - void finalize(int span_y) - { - base_type::finalize(span_y); - if(m_alpha_mask) - { - typename base_type::iterator span = base_type::begin(); - unsigned count = base_type::num_spans(); - do - { - m_alpha_mask->combine_hspan(span->x, - base_type::y(), - span->covers, - span->len); - ++span; - } - while(--count); - } - } - - private: - AlphaMask* m_alpha_mask; - }; - - - - - //===========================================================scanline32_u8 - class scanline32_u8 - { - public: - typedef scanline32_u8 self_type; - typedef int8u cover_type; - typedef int32 coord_type; - - //-------------------------------------------------------------------- - struct span - { - span() {} - span(coord_type x_, coord_type len_, cover_type* covers_) : - x(x_), len(len_), covers(covers_) {} - - coord_type x; - coord_type len; - cover_type* covers; - }; - - typedef pod_bvector<span, 4> 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; - }; - - //-------------------------------------------------------------------- - class iterator - { - public: - iterator(span_array_type& spans) : - m_spans(spans), - m_span_idx(0) - {} - - span& operator*() { return m_spans[m_span_idx]; } - span* operator->() { return &m_spans[m_span_idx]; } - - void operator ++ () { ++m_span_idx; } - - private: - span_array_type& m_spans; - unsigned m_span_idx; - }; - - - - //-------------------------------------------------------------------- - scanline32_u8() : - m_min_x(0), - m_last_x(0x7FFFFFF0), - m_covers() - {} - - //-------------------------------------------------------------------- - void reset(int min_x, int max_x) - { - unsigned max_len = max_x - min_x + 2; - if(max_len > m_covers.size()) - { - m_covers.resize(max_len); - } - m_last_x = 0x7FFFFFF0; - m_min_x = min_x; - m_spans.remove_all(); - } - - //-------------------------------------------------------------------- - void add_cell(int x, unsigned cover) - { - x -= m_min_x; - m_covers[x] = cover_type(cover); - if(x == m_last_x+1) - { - m_spans.last().len++; - } - else - { - m_spans.add(span(coord_type(x + m_min_x), 1, &m_covers[x])); - } - m_last_x = x; - } - - //-------------------------------------------------------------------- - void add_cells(int x, unsigned len, const cover_type* covers) - { - x -= m_min_x; - memcpy(&m_covers[x], covers, len * sizeof(cover_type)); - if(x == m_last_x+1) - { - m_spans.last().len += coord_type(len); - } - else - { - m_spans.add(span(coord_type(x + m_min_x), - coord_type(len), - &m_covers[x])); - } - m_last_x = x + len - 1; - } - - //-------------------------------------------------------------------- - void add_span(int x, unsigned len, unsigned cover) - { - x -= m_min_x; - memset(&m_covers[x], cover, len); - if(x == m_last_x+1) - { - m_spans.last().len += coord_type(len); - } - else - { - m_spans.add(span(coord_type(x + m_min_x), - coord_type(len), - &m_covers[x])); - } - m_last_x = x + len - 1; - } - - //-------------------------------------------------------------------- - void finalize(int y) - { - m_y = y; - } - - //-------------------------------------------------------------------- - void reset_spans() - { - m_last_x = 0x7FFFFFF0; - 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); } - iterator begin() { return iterator(m_spans); } - - private: - scanline32_u8(const self_type&); - const self_type& operator = (const self_type&); - - private: - int m_min_x; - int m_last_x; - int m_y; - pod_array<cover_type> m_covers; - span_array_type m_spans; - }; - - - - - //========================================================scanline32_u8_am - // - // The scanline container with alpha-masking - // - //------------------------------------------------------------------------ - template<class AlphaMask> - class scanline32_u8_am : public scanline32_u8 - { - public: - typedef scanline32_u8 base_type; - typedef AlphaMask alpha_mask_type; - typedef base_type::cover_type cover_type; - typedef base_type::coord_type coord_type; - - - scanline32_u8_am() : base_type(), m_alpha_mask(0) {} - scanline32_u8_am(AlphaMask& am) : base_type(), m_alpha_mask(&am) {} - - //-------------------------------------------------------------------- - void finalize(int span_y) - { - base_type::finalize(span_y); - if(m_alpha_mask) - { - typename base_type::iterator span = base_type::begin(); - unsigned count = base_type::num_spans(); - do - { - m_alpha_mask->combine_hspan(span->x, - base_type::y(), - span->covers, - span->len); - ++span; - } - while(--count); - } - } - - private: - AlphaMask* m_alpha_mask; - }; - - - -} - -#endif - |