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-rw-r--r--gfx/graphite2/src/Font.cpp58
1 files changed, 58 insertions, 0 deletions
diff --git a/gfx/graphite2/src/Font.cpp b/gfx/graphite2/src/Font.cpp
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+++ b/gfx/graphite2/src/Font.cpp
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+/* GRAPHITE2 LICENSING
+
+ Copyright 2010, SIL International
+ All rights reserved.
+
+ This library is free software; you can redistribute it and/or modify
+ it under the terms of the GNU Lesser General Public License as published
+ by the Free Software Foundation; either version 2.1 of License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should also have received a copy of the GNU Lesser General Public
+ License along with this library in the file named "LICENSE".
+ If not, write to the Free Software Foundation, 51 Franklin Street,
+ Suite 500, Boston, MA 02110-1335, USA or visit their web page on the
+ internet at http://www.fsf.org/licenses/lgpl.html.
+
+Alternatively, the contents of this file may be used under the terms of the
+Mozilla Public License (http://mozilla.org/MPL) or the GNU General Public
+License, as published by the Free Software Foundation, either version 2
+of the License or (at your option) any later version.
+*/
+#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);
+}