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107 lines
3.5 KiB
C++
107 lines
3.5 KiB
C++
//##################################################################################################
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//
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// Custom Visualization Core library
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// Copyright (C) 2011-2013 Ceetron AS
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//
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// This library may be used under the terms of either the GNU General Public License or
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// the GNU Lesser General Public License as follows:
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//
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// GNU General Public License Usage
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// This library is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// This library is distributed in the hope that it will be useful, but WITHOUT ANY
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// WARRANTY; without even the implied warranty of MERCHANTABILITY or
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// FITNESS FOR A PARTICULAR PURPOSE.
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//
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// See the GNU General Public License at <<http://www.gnu.org/licenses/gpl.html>>
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// for more details.
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//
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// GNU Lesser General Public License Usage
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// This library is free software; you can redistribute it and/or modify
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// it under the terms of the GNU Lesser General Public License as published by
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// the Free Software Foundation; either version 2.1 of the License, or
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// (at your option) any later version.
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//
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// This library is distributed in the hope that it will be useful, but WITHOUT ANY
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// WARRANTY; without even the implied warranty of MERCHANTABILITY or
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// FITNESS FOR A PARTICULAR PURPOSE.
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//
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// See the GNU Lesser General Public License at <<http://www.gnu.org/licenses/lgpl-2.1.html>>
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// for more details.
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//
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//##################################################################################################
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#pragma once
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#include "cvfObject.h"
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#include "cvfFont.h"
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#include "cvfGlyph.h"
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#include "cvfString.h"
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#include <map>
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namespace cvf {
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class TextureImage;
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class Glyph;
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}
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namespace caf {
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//==================================================================================================
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//
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// Fixed atlas font class used to generate glyphs for a given character
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//
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//==================================================================================================
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class FixedAtlasFont : public cvf::Font
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{
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public:
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enum FontSize
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{
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POINT_SIZE_8, // 8pt
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POINT_SIZE_12,
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POINT_SIZE_16, // 16pt
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POINT_SIZE_24,
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POINT_SIZE_32
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};
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public:
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explicit FixedAtlasFont(FontSize size);
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virtual ~FixedAtlasFont();
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virtual const cvf::String& name() const;
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virtual cvf::ref<cvf::Glyph> getGlyph(wchar_t character);
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virtual cvf::uint advance(wchar_t character, wchar_t nextCharacter);
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virtual bool isEmpty();
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private:
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// Load/unload font
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bool load(const char* name, size_t numGlyphs,
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const short* horizontalBearingsX, const short* horizontalBearingsY,
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const cvf::uint* horizontalAdvances, const cvf::uint* characterWidths, const cvf::uint* characterHeightss,
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const size_t textureImageWidth, const size_t textureImageHeight,
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const size_t numTextureImageDataBlockCount, const char** textureImageData);
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void unload();
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private:
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cvf::String m_name;
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size_t m_numGlyphs;
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std::vector<short> m_horizontalBearingsX;
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std::vector<short> m_horizontalBearingsY;
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std::vector<cvf::uint> m_horizontalAdvances;
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std::vector<cvf::uint> m_characterWidths;
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std::vector<cvf::uint> m_characterHeights;
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cvf::ref<cvf::TextureImage> m_textureImage;
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// Glyph cache
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typedef std::map<size_t, cvf::ref<cvf::Glyph> > MapType;
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MapType m_atlasMap;
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};
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} // namespace cvf
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