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