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Diffstat (limited to 'Build/source/texk/dvisvgm/dvisvgm-src/src/Bitmap.hpp')
-rw-r--r-- | Build/source/texk/dvisvgm/dvisvgm-src/src/Bitmap.hpp | 109 |
1 files changed, 0 insertions, 109 deletions
diff --git a/Build/source/texk/dvisvgm/dvisvgm-src/src/Bitmap.hpp b/Build/source/texk/dvisvgm/dvisvgm-src/src/Bitmap.hpp deleted file mode 100644 index f0bba3b41ea..00000000000 --- a/Build/source/texk/dvisvgm/dvisvgm-src/src/Bitmap.hpp +++ /dev/null @@ -1,109 +0,0 @@ -/************************************************************************* -** Bitmap.hpp ** -** ** -** This file is part of dvisvgm -- a fast DVI to SVG converter ** -** Copyright (C) 2005-2021 Martin Gieseking <martin.gieseking@uos.de> ** -** ** -** This program is free software; you can redistribute it and/or ** -** modify it under the terms of the GNU General Public License as ** -** published by the Free Software Foundation; either version 3 of ** -** the License, or (at your option) any later version. ** -** ** -** This program is distributed in the hope that it will be useful, but ** -** WITHOUT ANY WARRANTY; without even the implied warranty of ** -** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the ** -** GNU General Public License for more details. ** -** ** -** You should have received a copy of the GNU General Public License ** -** along with this program; if not, see <http://www.gnu.org/licenses/>. ** -*************************************************************************/ - -#ifndef BITMAP_HPP -#define BITMAP_HPP - -#include <ostream> -#include <vector> - - -class Bitmap { - public: - struct Callback { - virtual ~Callback() =default; - virtual void pixel (int x, int y, bool set, Bitmap &bm) {} - virtual void pixel (int x, int y, bool set, const Bitmap &bm) {} - virtual void finish () {} - }; - - public: - Bitmap () =default; - Bitmap (int minx, int maxx, int miny , int maxy); - void resize (int minx, int maxx, int miny , int maxy); - void setBits(int row, int col, int n); - const uint8_t* rowPtr (int row) const {return &_bytes[row*_bpr];} - int height () const {return _rows;} - int width () const {return _cols;} - int xshift () const {return _xshift;} - int yshift () const {return _yshift;} - int bytesPerRow () const {return _bpr;} - bool empty () const {return (!_rows && !_cols) || _bytes.empty();} - bool getBBox (int &minx, int &miny, int &maxx, int &maxy) const; - void getExtent (int &w, int &h) const; - void forAllPixels (Callback &callback) const; - - template <typename T> - int copy (std::vector<T> &target, bool vflip=false) const; - -// template <typename T> -// void write (std::ostream &os, const std::vector<T> &v) const; - -// std::ostream& write (std::ostream &os) const; - - private: - int _rows=0, _cols=0; ///< number of rows, columns - int _xshift=0, _yshift=0; ///< horizontal/vertical shift - int _bpr=0; ///< number of bytes per row - std::vector<uint8_t> _bytes; -}; - - -/** Copies the bitmap to a new target area and reorganizes the bits. - * @tparam T component type of target vector - * @param[out] target points to first T of new bitmap (must be deleted after usage) - * @param[in] vflip true if the new bitmap should be flipped vertically - * @return number of Ts per row */ -template <typename T> -int Bitmap::copy (std::vector<T> &target, bool vflip) const { - const int s = sizeof(T); - const int tpr = _bpr/s + (_bpr%s ? 1 : 0); // number of Ts per row - target.resize(_rows*tpr); - for (int r=0; r < _rows; r++) { - int targetrow = vflip ? _rows-r-1 : r; - for (int b=0; b < _bpr; b++) { - T &t = target[targetrow*tpr + b/s]; - T chunk = static_cast<T>(_bytes[r*_bpr+b]) << (8*(s-1-b%s)); - if (b % s == 0) - t = chunk; - else - t |= chunk; - } - } - return tpr; -} - - -/* -template <typename T> -void Bitmap::write (std::ostream &os, const std::vector<T> &v) const { - const int s = sizeof(T); - const int tpr = _bpr/s + (_bpr%s ? 1 : 0); // number of Ts per row - for (int r=_rows-1; r >= 0; r--) { - for (int t=0; t < tpr; t++) { - for (T b=(T)1<<(8*s-1); b; b>>=1) - os << ((v[r*tpr+t] & b) ? '*' : '-'); - os << ' '; - } - os << std::endl; - } -}*/ - -#endif |