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authorscuri <scuri>2010-06-21 22:55:10 +0000
committerscuri <scuri>2010-06-21 22:55:10 +0000
commit37a92b86d13e89d0dcec92be6d23ceced29dbc36 (patch)
treefaff61ef668379212b4ed948934533c3f2fe308b /src/ftgl/FTGlyphContainer.cpp
parenta124216ee05a5d63ea8fcdafcd050ad1fadf0b09 (diff)
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Diffstat (limited to 'src/ftgl/FTGlyphContainer.cpp')
-rw-r--r--src/ftgl/FTGlyphContainer.cpp119
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diff --git a/src/ftgl/FTGlyphContainer.cpp b/src/ftgl/FTGlyphContainer.cpp
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+++ b/src/ftgl/FTGlyphContainer.cpp
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+/*
+ * FTGL - OpenGL font library
+ *
+ * Copyright (c) 2001-2004 Henry Maddocks <ftgl@opengl.geek.nz>
+ * Copyright (c) 2008 Sam Hocevar <sam@zoy.org>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining
+ * a copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sublicense, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be
+ * included in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+ * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+ * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+#include "config.h"
+
+#include "FTGL/ftgl.h"
+
+#include "FTGlyphContainer.h"
+#include "FTFace.h"
+#include "FTCharmap.h"
+
+
+FTGlyphContainer::FTGlyphContainer(FTFace* f)
+: face(f),
+ err(0)
+{
+ glyphs.push_back(NULL);
+ charMap = new FTCharmap(face);
+}
+
+
+FTGlyphContainer::~FTGlyphContainer()
+{
+ GlyphVector::iterator it;
+ for(it = glyphs.begin(); it != glyphs.end(); ++it)
+ {
+ delete *it;
+ }
+
+ glyphs.clear();
+ delete charMap;
+}
+
+
+bool FTGlyphContainer::CharMap(FT_Encoding encoding)
+{
+ bool result = charMap->CharMap(encoding);
+ err = charMap->Error();
+ return result;
+}
+
+
+unsigned int FTGlyphContainer::FontIndex(const unsigned int charCode) const
+{
+ return charMap->FontIndex(charCode);
+}
+
+
+void FTGlyphContainer::Add(FTGlyph* tempGlyph, const unsigned int charCode)
+{
+ charMap->InsertIndex(charCode, glyphs.size());
+ glyphs.push_back(tempGlyph);
+}
+
+
+const FTGlyph* const FTGlyphContainer::Glyph(const unsigned int charCode) const
+{
+ unsigned int index = charMap->GlyphListIndex(charCode);
+ return glyphs[index];
+}
+
+
+FTBBox FTGlyphContainer::BBox(const unsigned int charCode) const
+{
+ return Glyph(charCode)->BBox();
+}
+
+
+float FTGlyphContainer::Advance(const unsigned int charCode,
+ const unsigned int nextCharCode)
+{
+ unsigned int left = charMap->FontIndex(charCode);
+ unsigned int right = charMap->FontIndex(nextCharCode);
+
+ return face->KernAdvance(left, right).Xf() + Glyph(charCode)->Advance();
+}
+
+
+FTPoint FTGlyphContainer::Render(const unsigned int charCode,
+ const unsigned int nextCharCode,
+ FTPoint penPosition, int renderMode)
+{
+ unsigned int left = charMap->FontIndex(charCode);
+ unsigned int right = charMap->FontIndex(nextCharCode);
+
+ FTPoint kernAdvance = face->KernAdvance(left, right);
+
+ if(!face->Error())
+ {
+ unsigned int index = charMap->GlyphListIndex(charCode);
+ kernAdvance += glyphs[index]->Render(penPosition, renderMode);
+ }
+
+ return kernAdvance;
+}
+