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#ifndef __FONT_H
#define __FONT_H
/*------------------------------------------------------------------------
*
* OpenVG 1.1 Reference Implementation
* -----------------------------------
*
* Copyright (c) 2007 The Khronos Group Inc.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and /or associated documentation files
* (the "Materials "), to deal in the Materials without restriction,
* including without limitation the rights to use, copy, modify, merge,
* publish, distribute, sublicense, and/or sell copies of the Materials,
* and to permit persons to whom the Materials are 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 Materials.
*
* THE MATERIALS ARE 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 MATERIALS OR
* THE USE OR OTHER DEALINGS IN THE MATERIALS.
*
*//**
* \file
* \brief VGContext class. Used for storing OpenVG state.
* \note
*//*-------------------------------------------------------------------*/
#include "VG/openvg.h"
#include "Math.h"
#include "Array.h"
#include "Path.h"
#include "Image.h"
//==============================================================================================
namespace tgOpenVG
{
/*-------------------------------------------------------------------*//*!
* \brief Storage and operations for VGFont.
* \param
* \return
* \note
*//*-------------------------------------------------------------------*/
class Font
{
public:
struct Glyph
{
enum State
{
GLYPH_UNINITIALIZED = 0,
GLYPH_PATH = 1,
GLYPH_IMAGE = 2
};
Glyph() { m_state = GLYPH_UNINITIALIZED; m_path = m_image = VG_INVALID_HANDLE; m_isHinted = false; m_origin(0.0f, 0.0f); m_escapement(0.0f, 0.0f); }
unsigned int m_index;
State m_state;
VGPath m_path;
VGImage m_image;
bool m_isHinted;
Vector2 m_origin;
Vector2 m_escapement;
};
Font(int capacityHint); //throws bad_alloc
~Font();
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; }
void addReference() { m_referenceCount++; }
int removeReference() { m_referenceCount--; RI_ASSERT(m_referenceCount >= 0); return m_referenceCount; }
void setGlyphToPath(unsigned int index, VGPath path, bool isHinted, const Vector2& origin, const Vector2& escapement); //throws bad_alloc
void setGlyphToImage(unsigned int index, VGImage image, const Vector2& origin, const Vector2& escapement); //throws bad_alloc
Glyph* findGlyph(unsigned int index);
void clearGlyph(Glyph* g);
private:
Font(const Font&); //!< Not allowed.
void operator=(const Font&); //!< Not allowed.
Glyph* newGlyph(); //throws bad_alloc
int m_referenceCount;
Array<Glyph> m_glyphs;
};
//=======================================================================
} //namespace tgOpenVG
//=======================================================================
#endif /* __FONT_H */
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