1// SPDX-License-Identifier: MIT OR MPL-2.0 OR LGPL-2.1-or-later OR GPL-2.0-or-later
2// Copyright 2010, SIL International, All rights reserved.
3
4#include "graphite2/Font.h"
5#include "inc/Font.h"
6
7
8using namespace graphite2;
9
10extern "C" {
11
12void gr_engine_version(int *nMajor, int *nMinor, int *nBugFix)
13{
14 if (nMajor) *nMajor = GR2_VERSION_MAJOR;
15 if (nMinor) *nMinor = GR2_VERSION_MINOR;
16 if (nBugFix) *nBugFix = GR2_VERSION_BUGFIX;
17}
18
19gr_font* gr_make_font(float ppm/*pixels per em*/, const gr_face *face)
20{
21 return gr_make_font_with_advance_fn(ppm, 0, 0, face);
22}
23
24
25gr_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*/)
26{ //the appFontHandle must stay alive all the time when the gr_font is alive. When finished with the gr_font, call destroy_gr_font
27 if (face == 0 || ppm <= 0) return 0;
28
29 Font * const res = new Font(ppm, *face, appFontHandle, font_ops);
30 if (*res)
31 return static_cast<gr_font*>(res);
32 else
33 {
34 delete res;
35 return 0;
36 }
37}
38
39gr_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*/)
40{
41 const gr_font_ops ops = {sizeof(gr_font_ops), getAdvance, NULL};
42 return gr_make_font_with_ops(ppm, appFontHandle, &ops, face);
43}
44
45void gr_font_destroy(gr_font *font)
46{
47 delete static_cast<Font*>(font);
48}
49
50
51} // extern "C"
52