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// SPDX-License-Identifier: MIT OR MPL-2.0 OR LGPL-2.1-or-later OR GPL-2.0-or-later
// Copyright 2010, SIL International, All rights reserved.
#include "inc/Face.h"
#include "inc/Font.h"
#include "inc/GlyphCache.h"
using namespace graphite2;
Font::Font(float ppm, const Face & f, const void * appFontHandle, const gr_font_ops * ops)
: m_appFontHandle(appFontHandle ? appFontHandle : this),
m_face(f),
m_scale(ppm / f.glyphs().unitsPerEm()),
m_hinted(appFontHandle && ops && (ops->glyph_advance_x || ops->glyph_advance_y))
{
memset(&m_ops, 0, sizeof m_ops);
if (m_hinted && ops)
memcpy(&m_ops, ops, min(sizeof m_ops, ops->size));
else
m_ops.glyph_advance_x = &Face::default_glyph_advance;
size_t nGlyphs = f.glyphs().numGlyphs();
m_advances = gralloc<float>(nGlyphs);
if (m_advances)
{
for (float *advp = m_advances; nGlyphs; --nGlyphs, ++advp)
*advp = INVALID_ADVANCE;
}
}
/*virtual*/ Font::~Font()
{
free(m_advances);
}
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