52 lines
1.5 KiB
C++
52 lines
1.5 KiB
C++
// SPDX-License-Identifier: MIT
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// Copyright 2010, SIL International, All rights reserved.
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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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