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#ifndef __RIFONT_H
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#define __RIFONT_H
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/*------------------------------------------------------------------------
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*
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* OpenVG 1.1 Reference Implementation
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* -----------------------------------
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*
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* Copyright (c) 2007 The Khronos Group Inc.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and /or associated documentation files
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* (the "Materials "), to deal in the Materials without restriction,
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* including without limitation the rights to use, copy, modify, merge,
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* publish, distribute, sublicense, and/or sell copies of the Materials,
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* and to permit persons to whom the Materials are furnished to do so,
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* subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included
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* in all copies or substantial portions of the Materials.
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*
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* THE MATERIALS ARE 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 CLAIM,
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* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
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* OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE MATERIALS OR
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* THE USE OR OTHER DEALINGS IN THE MATERIALS.
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*
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*//**
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* \file
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* \brief VGContext class. Used for storing OpenVG state.
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* \note
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*//*-------------------------------------------------------------------*/
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#ifndef _OPENVG_H
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#include "openvg.h"
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#endif
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#ifndef __RIMATH_H
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#include "riMath.h"
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#endif
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#ifndef __RIARRAY_H
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#include "riArray.h"
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#endif
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#ifndef __RIPATH_H
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#include "riPath.h"
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#endif
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#ifndef __RIIMAGE_H
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#include "riImage.h"
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#endif
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//==============================================================================================
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namespace OpenVGRI
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{
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/*-------------------------------------------------------------------*//*!
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* \brief Storage and operations for VGFont.
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* \param
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* \return
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* \note
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*//*-------------------------------------------------------------------*/
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class Font
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{
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public:
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struct Glyph
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{
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enum State
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{
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GLYPH_UNINITIALIZED = 0,
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GLYPH_PATH = 1,
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GLYPH_IMAGE = 2
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};
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Glyph() { m_state = GLYPH_UNINITIALIZED; m_path = m_image = VG_INVALID_HANDLE; m_isHinted = false; m_origin.set(0.0f, 0.0f); m_escapement.set(0.0f, 0.0f); }
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unsigned int m_index;
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State m_state;
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VGPath m_path;
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VGImage m_image;
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bool m_isHinted;
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Vector2 m_origin;
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Vector2 m_escapement;
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};
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Font(int capacityHint); //throws bad_alloc
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~Font();
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int getNumGlyphs() const { int n=0; for(int i=0;i<m_glyphs.size();i++) { if(m_glyphs[i].m_state != Glyph::GLYPH_UNINITIALIZED) n++; } return n; }
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void addReference() { m_referenceCount++; }
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int removeReference() { m_referenceCount--; RI_ASSERT(m_referenceCount >= 0); return m_referenceCount; }
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void setGlyphToPath(unsigned int index, VGPath path, bool isHinted, const Vector2& origin, const Vector2& escapement); //throws bad_alloc
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void setGlyphToImage(unsigned int index, VGImage image, const Vector2& origin, const Vector2& escapement); //throws bad_alloc
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Glyph* findGlyph(unsigned int index);
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void clearGlyph(Glyph* g);
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private:
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Font(const Font&); //!< Not allowed.
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void operator=(const Font&); //!< Not allowed.
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Glyph* newGlyph(); //throws bad_alloc
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int m_referenceCount;
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Array<Glyph> m_glyphs;
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};
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//=======================================================================
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} //namespace OpenVGRI
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//=======================================================================
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#endif /* __RIFONT_H */
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