diff options
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/py2/extern/agg24-svn/include/agg_pixfmt_gray.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/py2/extern/agg24-svn/include/agg_pixfmt_gray.h')
-rw-r--r-- | contrib/python/matplotlib/py2/extern/agg24-svn/include/agg_pixfmt_gray.h | 737 |
1 files changed, 0 insertions, 737 deletions
diff --git a/contrib/python/matplotlib/py2/extern/agg24-svn/include/agg_pixfmt_gray.h b/contrib/python/matplotlib/py2/extern/agg24-svn/include/agg_pixfmt_gray.h deleted file mode 100644 index 438f04d33d4..00000000000 --- a/contrib/python/matplotlib/py2/extern/agg24-svn/include/agg_pixfmt_gray.h +++ /dev/null @@ -1,737 +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 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 <string.h> -#include "agg_pixfmt_base.h" -#include "agg_rendering_buffer.h" - -namespace agg -{ - - //============================================================blender_gray - 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; - typedef typename color_type::long_type long_type; - - // Blend pixels using the non-premultiplied form of Alvy-Ray Smith's - // compositing function. Since the render buffer is opaque we skip the - // initial premultiply and final demultiply. - - static AGG_INLINE void blend_pix(value_type* p, - value_type cv, value_type alpha, cover_type cover) - { - blend_pix(p, cv, color_type::mult_cover(alpha, cover)); - } - - static AGG_INLINE void blend_pix(value_type* p, - value_type cv, value_type alpha) - { - *p = color_type::lerp(*p, cv, alpha); - } - }; - - - //======================================================blender_gray_pre - template<class ColorT> struct blender_gray_pre - { - typedef ColorT color_type; - typedef typename color_type::value_type value_type; - typedef typename color_type::calc_type calc_type; - typedef typename color_type::long_type long_type; - - // Blend pixels using the premultiplied form of Alvy-Ray Smith's - // compositing function. - - static AGG_INLINE void blend_pix(value_type* p, - value_type cv, value_type alpha, cover_type cover) - { - blend_pix(p, color_type::mult_cover(cv, cover), color_type::mult_cover(alpha, cover)); - } - - static AGG_INLINE void blend_pix(value_type* p, - value_type cv, value_type alpha) - { - *p = color_type::prelerp(*p, cv, alpha); - } - }; - - - - //=====================================================apply_gamma_dir_gray - template<class ColorT, class GammaLut> class apply_gamma_dir_gray - { - public: - typedef typename ColorT::value_type value_type; - - apply_gamma_dir_gray(const GammaLut& gamma) : m_gamma(gamma) {} - - AGG_INLINE void operator () (value_type* p) - { - *p = m_gamma.dir(*p); - } - - private: - const GammaLut& m_gamma; - }; - - - - //=====================================================apply_gamma_inv_gray - template<class ColorT, class GammaLut> class apply_gamma_inv_gray - { - public: - typedef typename ColorT::value_type value_type; - - apply_gamma_inv_gray(const GammaLut& gamma) : m_gamma(gamma) {} - - AGG_INLINE void operator () (value_type* p) - { - *p = m_gamma.inv(*p); - } - - private: - const GammaLut& m_gamma; - }; - - - - //=================================================pixfmt_alpha_blend_gray - template<class Blender, class RenBuf, unsigned Step = 1, unsigned Offset = 0> - class pixfmt_alpha_blend_gray - { - public: - typedef pixfmt_gray_tag pixfmt_category; - typedef RenBuf rbuf_type; - typedef typename rbuf_type::row_data row_data; - typedef Blender blender_type; - typedef typename blender_type::color_type color_type; - typedef int order_type; // A fake one - typedef typename color_type::value_type value_type; - typedef typename color_type::calc_type calc_type; - enum - { - pix_width = sizeof(value_type) * Step, - pix_step = Step, - pix_offset = Offset, - }; - struct pixel_type - { - value_type c[pix_step]; - - void set(value_type v) - { - c[0] = v; - } - - void set(const color_type& color) - { - set(color.v); - } - - void get(value_type& v) const - { - v = c[0]; - } - - color_type get() const - { - return color_type(c[0]); - } - - pixel_type* next() - { - return this + 1; - } - - const pixel_type* next() const - { - return this + 1; - } - - pixel_type* advance(int n) - { - return this + n; - } - - const pixel_type* advance(int n) const - { - return this + n; - } - }; - - private: - //-------------------------------------------------------------------- - AGG_INLINE void blend_pix(pixel_type* p, - value_type v, value_type a, - unsigned cover) - { - blender_type::blend_pix(p->c, v, a, cover); - } - - //-------------------------------------------------------------------- - AGG_INLINE void blend_pix(pixel_type* p, value_type v, value_type a) - { - blender_type::blend_pix(p->c, v, a); - } - - //-------------------------------------------------------------------- - AGG_INLINE void blend_pix(pixel_type* p, const color_type& c, unsigned cover) - { - blender_type::blend_pix(p->c, c.v, c.a, cover); - } - - //-------------------------------------------------------------------- - AGG_INLINE void blend_pix(pixel_type* p, const color_type& c) - { - blender_type::blend_pix(p->c, c.v, c.a); - } - - //-------------------------------------------------------------------- - AGG_INLINE void copy_or_blend_pix(pixel_type* p, const color_type& c, unsigned cover) - { - if (!c.is_transparent()) - { - if (c.is_opaque() && cover == cover_mask) - { - p->set(c); - } - else - { - blend_pix(p, c, cover); - } - } - } - - //-------------------------------------------------------------------- - AGG_INLINE void copy_or_blend_pix(pixel_type* p, const color_type& c) - { - if (!c.is_transparent()) - { - if (c.is_opaque()) - { - p->set(c); - } - else - { - blend_pix(p, c); - } - } - } - - public: - //-------------------------------------------------------------------- - explicit pixfmt_alpha_blend_gray(rbuf_type& rb) : - m_rbuf(&rb) - {} - void attach(rbuf_type& rb) { m_rbuf = &rb; } - //-------------------------------------------------------------------- - - template<class PixFmt> - bool attach(PixFmt& pixf, int x1, int y1, int x2, int y2) - { - rect_i r(x1, y1, x2, y2); - if (r.clip(rect_i(0, 0, pixf.width()-1, pixf.height()-1))) - { - int stride = pixf.stride(); - m_rbuf->attach(pixf.pix_ptr(r.x1, stride < 0 ? r.y2 : r.y1), - (r.x2 - r.x1) + 1, - (r.y2 - r.y1) + 1, - stride); - return true; - } - return false; - } - - //-------------------------------------------------------------------- - AGG_INLINE unsigned width() const { return m_rbuf->width(); } - AGG_INLINE unsigned height() const { return m_rbuf->height(); } - AGG_INLINE int stride() const { return m_rbuf->stride(); } - - //-------------------------------------------------------------------- - int8u* row_ptr(int y) { return m_rbuf->row_ptr(y); } - const int8u* row_ptr(int y) const { return m_rbuf->row_ptr(y); } - row_data row(int y) const { return m_rbuf->row(y); } - - //-------------------------------------------------------------------- - AGG_INLINE int8u* pix_ptr(int x, int y) - { - return m_rbuf->row_ptr(y) + sizeof(value_type) * (x * pix_step + pix_offset); - } - - AGG_INLINE const int8u* pix_ptr(int x, int y) const - { - return m_rbuf->row_ptr(y) + sizeof(value_type) * (x * pix_step + pix_offset); - } - - // Return pointer to pixel value, forcing row to be allocated. - AGG_INLINE pixel_type* pix_value_ptr(int x, int y, unsigned len) - { - return (pixel_type*)(m_rbuf->row_ptr(x, y, len) + sizeof(value_type) * (x * pix_step + pix_offset)); - } - - // Return pointer to pixel value, or null if row not allocated. - AGG_INLINE const pixel_type* pix_value_ptr(int x, int y) const - { - int8u* p = m_rbuf->row_ptr(y); - return p ? (pixel_type*)(p + sizeof(value_type) * (x * pix_step + pix_offset)) : 0; - } - - // Get pixel pointer from raw buffer pointer. - AGG_INLINE static pixel_type* pix_value_ptr(void* p) - { - return (pixel_type*)((value_type*)p + pix_offset); - } - - // Get pixel pointer from raw buffer pointer. - AGG_INLINE static const pixel_type* pix_value_ptr(const void* p) - { - return (const pixel_type*)((const value_type*)p + pix_offset); - } - - //-------------------------------------------------------------------- - AGG_INLINE static void write_plain_color(void* p, color_type c) - { - // Grayscale formats are implicitly premultiplied. - c.premultiply(); - pix_value_ptr(p)->set(c); - } - - //-------------------------------------------------------------------- - AGG_INLINE static color_type read_plain_color(const void* p) - { - return pix_value_ptr(p)->get(); - } - - //-------------------------------------------------------------------- - AGG_INLINE static void make_pix(int8u* p, const color_type& c) - { - ((pixel_type*)p)->set(c); - } - - //-------------------------------------------------------------------- - AGG_INLINE color_type pixel(int x, int y) const - { - if (const pixel_type* p = pix_value_ptr(x, y)) - { - return p->get(); - } - return color_type::no_color(); - } - - //-------------------------------------------------------------------- - AGG_INLINE void copy_pixel(int x, int y, const color_type& c) - { - pix_value_ptr(x, y, 1)->set(c); - } - - //-------------------------------------------------------------------- - AGG_INLINE void blend_pixel(int x, int y, const color_type& c, int8u cover) - { - copy_or_blend_pix(pix_value_ptr(x, y, 1), c, cover); - } - - //-------------------------------------------------------------------- - AGG_INLINE void copy_hline(int x, int y, - unsigned len, - const color_type& c) - { - pixel_type* p = pix_value_ptr(x, y, len); - do - { - p->set(c); - p = p->next(); - } - while(--len); - } - - - //-------------------------------------------------------------------- - AGG_INLINE void copy_vline(int x, int y, - unsigned len, - const color_type& c) - { - do - { - pix_value_ptr(x, y++, 1)->set(c); - } - while (--len); - } - - - //-------------------------------------------------------------------- - void blend_hline(int x, int y, - unsigned len, - const color_type& c, - int8u cover) - { - if (!c.is_transparent()) - { - pixel_type* p = pix_value_ptr(x, y, len); - - if (c.is_opaque() && cover == cover_mask) - { - do - { - p->set(c); - p = p->next(); - } - while (--len); - } - else - { - do - { - blend_pix(p, c, cover); - p = p->next(); - } - while (--len); - } - } - } - - - //-------------------------------------------------------------------- - void blend_vline(int x, int y, - unsigned len, - const color_type& c, - int8u cover) - { - if (!c.is_transparent()) - { - if (c.is_opaque() && cover == cover_mask) - { - do - { - pix_value_ptr(x, y++, 1)->set(c); - } - while (--len); - } - else - { - do - { - blend_pix(pix_value_ptr(x, y++, 1), c, cover); - } - while (--len); - } - } - } - - - //-------------------------------------------------------------------- - void blend_solid_hspan(int x, int y, - unsigned len, - const color_type& c, - const int8u* covers) - { - if (!c.is_transparent()) - { - pixel_type* p = pix_value_ptr(x, y, len); - - do - { - if (c.is_opaque() && *covers == cover_mask) - { - p->set(c); - } - else - { - blend_pix(p, c, *covers); - } - p = p->next(); - ++covers; - } - while (--len); - } - } - - - //-------------------------------------------------------------------- - void blend_solid_vspan(int x, int y, - unsigned len, - const color_type& c, - const int8u* covers) - { - if (!c.is_transparent()) - { - do - { - pixel_type* p = pix_value_ptr(x, y++, 1); - - if (c.is_opaque() && *covers == cover_mask) - { - p->set(c); - } - else - { - blend_pix(p, c, *covers); - } - ++covers; - } - while (--len); - } - } - - - //-------------------------------------------------------------------- - void copy_color_hspan(int x, int y, - unsigned len, - const color_type* colors) - { - pixel_type* p = pix_value_ptr(x, y, len); - - do - { - p->set(*colors++); - p = p->next(); - } - while (--len); - } - - - //-------------------------------------------------------------------- - void copy_color_vspan(int x, int y, - unsigned len, - const color_type* colors) - { - do - { - pix_value_ptr(x, y++, 1)->set(*colors++); - } - while (--len); - } - - - //-------------------------------------------------------------------- - void blend_color_hspan(int x, int y, - unsigned len, - const color_type* colors, - const int8u* covers, - int8u cover) - { - pixel_type* p = pix_value_ptr(x, y, len); - - if (covers) - { - do - { - copy_or_blend_pix(p, *colors++, *covers++); - p = p->next(); - } - while (--len); - } - else - { - if (cover == cover_mask) - { - do - { - copy_or_blend_pix(p, *colors++); - p = p->next(); - } - while (--len); - } - else - { - do - { - copy_or_blend_pix(p, *colors++, cover); - p = p->next(); - } - while (--len); - } - } - } - - - //-------------------------------------------------------------------- - void blend_color_vspan(int x, int y, - unsigned len, - const color_type* colors, - const int8u* covers, - int8u cover) - { - if (covers) - { - do - { - copy_or_blend_pix(pix_value_ptr(x, y++, 1), *colors++, *covers++); - } - while (--len); - } - else - { - if (cover == cover_mask) - { - do - { - copy_or_blend_pix(pix_value_ptr(x, y++, 1), *colors++); - } - while (--len); - } - else - { - do - { - copy_or_blend_pix(pix_value_ptr(x, y++, 1), *colors++, cover); - } - while (--len); - } - } - } - - //-------------------------------------------------------------------- - template<class Function> void for_each_pixel(Function f) - { - unsigned y; - for (y = 0; y < height(); ++y) - { - row_data r = m_rbuf->row(y); - if (r.ptr) - { - unsigned len = r.x2 - r.x1 + 1; - pixel_type* p = pix_value_ptr(r.x1, y, len); - do - { - f(p->c); - p = p->next(); - } - while (--len); - } - } - } - - //-------------------------------------------------------------------- - template<class GammaLut> void apply_gamma_dir(const GammaLut& g) - { - for_each_pixel(apply_gamma_dir_gray<color_type, GammaLut>(g)); - } - - //-------------------------------------------------------------------- - template<class GammaLut> void apply_gamma_inv(const GammaLut& g) - { - for_each_pixel(apply_gamma_inv_gray<color_type, GammaLut>(g)); - } - - //-------------------------------------------------------------------- - template<class RenBuf2> - void copy_from(const RenBuf2& from, - int xdst, int ydst, - int xsrc, int ysrc, - unsigned len) - { - if (const int8u* p = from.row_ptr(ysrc)) - { - memmove(m_rbuf->row_ptr(xdst, ydst, len) + xdst * pix_width, - p + xsrc * pix_width, - len * pix_width); - } - } - - //-------------------------------------------------------------------- - // Blend from single color, using grayscale surface as alpha channel. - template<class SrcPixelFormatRenderer> - void blend_from_color(const SrcPixelFormatRenderer& from, - const color_type& color, - int xdst, int ydst, - int xsrc, int ysrc, - unsigned len, - int8u cover) - { - typedef typename SrcPixelFormatRenderer::pixel_type src_pixel_type; - typedef typename SrcPixelFormatRenderer::color_type src_color_type; - - if (const src_pixel_type* psrc = from.pix_value_ptr(xsrc, ysrc)) - { - pixel_type* pdst = pix_value_ptr(xdst, ydst, len); - - do - { - copy_or_blend_pix(pdst, color, src_color_type::scale_cover(cover, psrc->c[0])); - psrc = psrc->next(); - pdst = pdst->next(); - } - while (--len); - } - } - - //-------------------------------------------------------------------- - // Blend from color table, using grayscale surface as indexes into table. - // Obviously, this only works for integer value types. - template<class SrcPixelFormatRenderer> - void blend_from_lut(const SrcPixelFormatRenderer& from, - const color_type* color_lut, - int xdst, int ydst, - int xsrc, int ysrc, - unsigned len, - int8u cover) - { - typedef typename SrcPixelFormatRenderer::pixel_type src_pixel_type; - - if (const src_pixel_type* psrc = from.pix_value_ptr(xsrc, ysrc)) - { - pixel_type* pdst = pix_value_ptr(xdst, ydst, len); - - do - { - copy_or_blend_pix(pdst, color_lut[psrc->c[0]], cover); - psrc = psrc->next(); - pdst = pdst->next(); - } - while (--len); - } - } - - private: - rbuf_type* m_rbuf; - }; - - typedef blender_gray<gray8> blender_gray8; - typedef blender_gray<sgray8> blender_sgray8; - typedef blender_gray<gray16> blender_gray16; - typedef blender_gray<gray32> blender_gray32; - - typedef blender_gray_pre<gray8> blender_gray8_pre; - typedef blender_gray_pre<sgray8> blender_sgray8_pre; - typedef blender_gray_pre<gray16> blender_gray16_pre; - typedef blender_gray_pre<gray32> blender_gray32_pre; - - typedef pixfmt_alpha_blend_gray<blender_gray8, rendering_buffer> pixfmt_gray8; - typedef pixfmt_alpha_blend_gray<blender_sgray8, rendering_buffer> pixfmt_sgray8; - typedef pixfmt_alpha_blend_gray<blender_gray16, rendering_buffer> pixfmt_gray16; - typedef pixfmt_alpha_blend_gray<blender_gray32, rendering_buffer> pixfmt_gray32; - - typedef pixfmt_alpha_blend_gray<blender_gray8_pre, rendering_buffer> pixfmt_gray8_pre; - typedef pixfmt_alpha_blend_gray<blender_sgray8_pre, rendering_buffer> pixfmt_sgray8_pre; - typedef pixfmt_alpha_blend_gray<blender_gray16_pre, rendering_buffer> pixfmt_gray16_pre; - typedef pixfmt_alpha_blend_gray<blender_gray32_pre, rendering_buffer> pixfmt_gray32_pre; -} - -#endif - |