75 lines
2.6 KiB
C++
75 lines
2.6 KiB
C++
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/* GRAPHITE2 LICENSING
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Copyright 2010, SIL International
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All rights reserved.
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This library is free software; you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as published
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by the Free Software Foundation; either version 2.1 of License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should also have received a copy of the GNU Lesser General Public
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License along with this library in the file named "LICENSE".
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If not, write to the Free Software Foundation, 51 Franklin Street,
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Suite 500, Boston, MA 02110-1335, USA or visit their web page on the
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internet at http://www.fsf.org/licenses/lgpl.html.
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Alternatively, the contents of this file may be used under the terms of the
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Mozilla Public License (http://mozilla.org/MPL) or the GNU General Public
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License, as published by the Free Software Foundation, either version 2
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of the License or (at your option) any later version.
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*/
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#include "graphite2/Font.h"
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#include "inc/Font.h"
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using namespace graphite2;
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extern "C" {
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void gr_engine_version(int *nMajor, int *nMinor, int *nBugFix)
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{
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if (nMajor) *nMajor = GR2_VERSION_MAJOR;
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if (nMinor) *nMinor = GR2_VERSION_MINOR;
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if (nBugFix) *nBugFix = GR2_VERSION_BUGFIX;
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}
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gr_font* gr_make_font(float ppm/*pixels per em*/, const gr_face *face)
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{
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return gr_make_font_with_advance_fn(ppm, 0, 0, face);
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}
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gr_font* gr_make_font_with_ops(float ppm/*pixels per em*/, const void* appFontHandle/*non-NULL*/, const gr_font_ops * font_ops, const gr_face * face/*needed for scaling*/)
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{ //the appFontHandle must stay alive all the time when the gr_font is alive. When finished with the gr_font, call destroy_gr_font
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if (face == 0 || ppm <= 0) return 0;
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Font * const res = new Font(ppm, *face, appFontHandle, font_ops);
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if (*res)
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return static_cast<gr_font*>(res);
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else
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{
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delete res;
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return 0;
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}
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}
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gr_font* gr_make_font_with_advance_fn(float ppm/*pixels per em*/, const void* appFontHandle/*non-NULL*/, gr_advance_fn getAdvance, const gr_face * face/*needed for scaling*/)
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{
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const gr_font_ops ops = {sizeof(gr_font_ops), getAdvance, NULL};
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return gr_make_font_with_ops(ppm, appFontHandle, &ops, face);
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}
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void gr_font_destroy(gr_font *font)
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{
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delete static_cast<Font*>(font);
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}
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} // extern "C"
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