diff options
Diffstat (limited to 'Build/source/texk/dvisvgm/dvisvgm-src/src/GFTracer.cpp')
-rw-r--r-- | Build/source/texk/dvisvgm/dvisvgm-src/src/GFTracer.cpp | 87 |
1 files changed, 0 insertions, 87 deletions
diff --git a/Build/source/texk/dvisvgm/dvisvgm-src/src/GFTracer.cpp b/Build/source/texk/dvisvgm/dvisvgm-src/src/GFTracer.cpp deleted file mode 100644 index 408fb49d0bb..00000000000 --- a/Build/source/texk/dvisvgm/dvisvgm-src/src/GFTracer.cpp +++ /dev/null @@ -1,87 +0,0 @@ -/************************************************************************* -** GFTracer.cpp ** -** ** -** 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/>. ** -*************************************************************************/ - -#include <fstream> -#include <potracelib.h> -#include "GFTracer.hpp" -#include "Glyph.hpp" -#include "Message.hpp" - -using namespace std; - - -/** Constructs a new GFTracer. - * @param[in] is GF file is read from this stream - * @param[in] upp target units per PS point */ -GFTracer::GFTracer (istream &is, double upp) - : GFReader(is), _unitsPerPoint(upp) -{ -} - - -void GFTracer::beginChar (uint32_t c) { -} - - -void GFTracer::endChar (uint32_t c) { - const Bitmap &bitmap = getBitmap(); - if (bitmap.empty()) - return; - - // prepare potrace's bitmap structure - vector<potrace_word> buffer; - potrace_bitmap_t pobitmap; - pobitmap.w = bitmap.width(); - pobitmap.h = bitmap.height(); - pobitmap.dy = bitmap.copy(buffer); - pobitmap.map = &buffer[0]; - potrace_param_t *param = potrace_param_default(); - potrace_state_t *state = potrace_trace(param, &pobitmap); - potrace_param_free(param); - - if (!state || state->status == POTRACE_STATUS_INCOMPLETE) - Message::wstream(true) << "error while tracing character\n"; - else { - double hsf=1.0, vsf=1.0; // horizontal a d vertical scale factor - if (_unitsPerPoint != 0.0) { - hsf = _unitsPerPoint/getHPixelsPerPoint(); // horizontal scale factor - vsf = _unitsPerPoint/getVPixelsPerPoint(); // vertical scale factor - } - for (potrace_path_t *path = state->plist; path; path = path->next) { - potrace_dpoint_t &p = path->curve.c[path->curve.n-1][2]; // start/end point - moveTo(hsf*(p.x+bitmap.xshift()), vsf*(p.y+bitmap.yshift())); - for (int i=0; i < path->curve.n; i++) { - if (path->curve.tag[i] == POTRACE_CURVETO) { - curveTo(hsf*(path->curve.c[i][0].x+bitmap.xshift()), vsf*(path->curve.c[i][0].y+bitmap.yshift()), - hsf*(path->curve.c[i][1].x+bitmap.xshift()), vsf*(path->curve.c[i][1].y+bitmap.yshift()), - hsf*(path->curve.c[i][2].x+bitmap.xshift()), vsf*(path->curve.c[i][2].y+bitmap.yshift())); - } - else { - lineTo(hsf*(path->curve.c[i][1].x+bitmap.xshift()), vsf*(path->curve.c[i][1].y+bitmap.yshift())); - if (i == path->curve.n-1) - closePath(); - else - lineTo(hsf*(path->curve.c[i][2].x+bitmap.xshift()), vsf*(path->curve.c[i][2].y+bitmap.yshift())); - } - } - } - } - potrace_state_free(state); -} |