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0ee6ffb257
Graphite is now available under: MIT OR MPL-2.0 OR LGPL-2.1-or-later OR GPL-2.0-or-later We pick MIT which is the same as Godot's main license for simplicity. Remove define to skip deprecation warnings, upstream fixed those.
68 lines
1.5 KiB
C++
68 lines
1.5 KiB
C++
// SPDX-License-Identifier: MIT OR MPL-2.0 OR LGPL-2.1-or-later OR GPL-2.0-or-later
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// Copyright 2010, SIL International, All rights reserved.
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#pragma once
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#include <cassert>
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#include "graphite2/Font.h"
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#include "inc/Main.h"
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#include "inc/Face.h"
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namespace graphite2 {
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#define INVALID_ADVANCE -1e38f // can't be a static const because non-integral
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class Font
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{
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public:
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Font(float ppm, const Face & face, const void * appFontHandle=0, const gr_font_ops * ops=0);
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virtual ~Font();
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float advance(unsigned short glyphid) const;
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float scale() const;
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bool isHinted() const;
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const Face & face() const;
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operator bool () const throw() { return m_advances; }
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CLASS_NEW_DELETE;
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private:
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gr_font_ops m_ops;
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const void * const m_appFontHandle;
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float * m_advances; // One advance per glyph in pixels. Nan if not defined
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const Face & m_face;
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float m_scale; // scales from design units to ppm
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bool m_hinted;
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Font(const Font&);
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Font& operator=(const Font&);
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};
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inline
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float Font::advance(unsigned short glyphid) const
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{
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if (m_advances[glyphid] == INVALID_ADVANCE)
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m_advances[glyphid] = (*m_ops.glyph_advance_x)(m_appFontHandle, glyphid);
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return m_advances[glyphid];
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}
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inline
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float Font::scale() const
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{
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return m_scale;
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}
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inline
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bool Font::isHinted() const
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{
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return m_hinted;
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}
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inline
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const Face & Font::face() const
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{
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return m_face;
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}
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} // namespace graphite2
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struct gr_font : public graphite2::Font {};
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