diff options
author | Norbert Preining <norbert@preining.info> | 2019-09-02 13:46:59 +0900 |
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committer | Norbert Preining <norbert@preining.info> | 2019-09-02 13:46:59 +0900 |
commit | e0c6872cf40896c7be36b11dcc744620f10adf1d (patch) | |
tree | 60335e10d2f4354b0674ec22d7b53f0f8abee672 /dviware/dvisvgm/src/ffwrapper.c |
Initial commit
Diffstat (limited to 'dviware/dvisvgm/src/ffwrapper.c')
-rw-r--r-- | dviware/dvisvgm/src/ffwrapper.c | 84 |
1 files changed, 84 insertions, 0 deletions
diff --git a/dviware/dvisvgm/src/ffwrapper.c b/dviware/dvisvgm/src/ffwrapper.c new file mode 100644 index 0000000000..68377f0762 --- /dev/null +++ b/dviware/dvisvgm/src/ffwrapper.c @@ -0,0 +1,84 @@ +/************************************************************************* +** ffwrapper.c ** +** ** +** This file is part of dvisvgm -- a fast DVI to SVG converter ** +** Copyright (C) 2005-2019 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 <fontforge.h> +#include "ffwrapper.h" + +#ifdef _NDEBUG +static void no_post_error (const char *title, const char *error, ...) {} +static void no_warning (const char *format, ...) {} +#endif + + +/** Initializes the FontForge library. */ +void ff_init () { + InitSimpleStuff(); +#ifdef _NDEBUG + ui_interface.post_error = &no_post_error; + ui_interface.logwarning = &no_warning; +#endif +} + + +int ff_version () { + return FONTFORGE_VERSIONDATE_RAW; +} + + +/** Runs the autohinter for all glyphs in a given font. + * @param[in,out] sf the font to be autohinted + * @param[in] order2 if != 0, target font requires quadratic rather than cubic splines */ +static void ff_autohint (SplineFont *sf, int order2) { + BlueData bd; + GlobalInstrCt gic; + if (order2) + SFConvertToOrder2(sf); + QuickBlues(sf, ly_fore, &bd); + if (order2) + InitGlobalInstrCt(&gic, sf, ly_fore, &bd); + for (int i=0; i < sf->glyphcnt; i++) { + SplineChar *sc = sf->glyphs[i]; + if (sc != NULL) { + SplineChar *sc = sf->glyphs[i]; + SplineCharAutoHint(sc, ly_fore, &bd); // generate hints + if (order2) + NowakowskiSCAutoInstr(&gic, sc); // generate TTF instructions + } + } + if (order2) + FreeGlobalInstrCt(&gic); +} + + +/** Creates a TrueType font from a FontForge SFD file. + * @param[in] sfdname name of SFD file + * @param[in] ttfname name of TrueType file + * @param[in] autohint run the autohinter if != 0 */ +int ff_sfd_to_ttf (const char *sfdname, const char *ttfname, int autohint) { + int ret=0; + SplineFont *sf = SFDRead((char*)sfdname); + if (sf) { + if (autohint) + ff_autohint(sf, true); + ret = WriteTTFFont((char*)ttfname, sf, ff_ttf, 0, 0, 0, sf->map, ly_fore); + SplineFontFree(sf); + } + return ret; +} |