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1 #ifndef __RIFONT_H |
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2 #define __RIFONT_H |
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3 |
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4 /*------------------------------------------------------------------------ |
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5 * |
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6 * OpenVG 1.1 Reference Implementation |
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7 * ----------------------------------- |
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8 * |
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9 * Copyright (c) 2007 The Khronos Group Inc. |
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10 * |
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11 * Permission is hereby granted, free of charge, to any person obtaining a |
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12 * copy of this software and /or associated documentation files |
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13 * (the "Materials "), to deal in the Materials without restriction, |
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14 * including without limitation the rights to use, copy, modify, merge, |
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15 * publish, distribute, sublicense, and/or sell copies of the Materials, |
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16 * and to permit persons to whom the Materials are furnished to do so, |
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17 * subject to the following conditions: |
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18 * |
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19 * The above copyright notice and this permission notice shall be included |
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20 * in all copies or substantial portions of the Materials. |
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21 * |
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22 * THE MATERIALS ARE PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, |
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23 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
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24 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. |
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25 * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, |
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26 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR |
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27 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE MATERIALS OR |
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28 * THE USE OR OTHER DEALINGS IN THE MATERIALS. |
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29 * |
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30 *//** |
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31 * \file |
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32 * \brief VGContext class. Used for storing OpenVG state. |
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33 * \note |
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34 *//*-------------------------------------------------------------------*/ |
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35 |
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36 #ifndef _OPENVG_H |
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37 #include "openvg.h" |
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38 #endif |
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39 |
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40 #ifndef __RIMATH_H |
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41 #include "riMath.h" |
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42 #endif |
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43 |
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44 #ifndef __RIARRAY_H |
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45 #include "riArray.h" |
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46 #endif |
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47 |
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48 #ifndef __RIPATH_H |
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49 #include "riPath.h" |
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50 #endif |
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51 |
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52 #ifndef __RIIMAGE_H |
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53 #include "riImage.h" |
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54 #endif |
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55 |
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56 //============================================================================================== |
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57 |
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58 namespace OpenVGRI |
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59 { |
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60 |
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61 /*-------------------------------------------------------------------*//*! |
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62 * \brief Storage and operations for VGFont. |
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63 * \param |
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64 * \return |
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65 * \note |
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66 *//*-------------------------------------------------------------------*/ |
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67 |
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68 class Font |
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69 { |
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70 public: |
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71 struct Glyph |
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72 { |
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73 enum State |
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74 { |
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75 GLYPH_UNINITIALIZED = 0, |
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76 GLYPH_PATH = 1, |
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77 GLYPH_IMAGE = 2 |
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78 }; |
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79 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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80 unsigned int m_index; |
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81 State m_state; |
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82 VGPath m_path; |
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83 VGImage m_image; |
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84 bool m_isHinted; |
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85 Vector2 m_origin; |
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86 Vector2 m_escapement; |
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87 }; |
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88 |
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89 Font(int capacityHint); //throws bad_alloc |
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90 ~Font(); |
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91 |
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92 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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93 void addReference() { m_referenceCount++; } |
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94 int removeReference() { m_referenceCount--; RI_ASSERT(m_referenceCount >= 0); return m_referenceCount; } |
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95 |
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96 void setGlyphToPath(unsigned int index, VGPath path, bool isHinted, const Vector2& origin, const Vector2& escapement); //throws bad_alloc |
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97 void setGlyphToImage(unsigned int index, VGImage image, const Vector2& origin, const Vector2& escapement); //throws bad_alloc |
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98 Glyph* findGlyph(unsigned int index); |
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99 void clearGlyph(Glyph* g); |
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100 private: |
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101 Font(const Font&); //!< Not allowed. |
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102 void operator=(const Font&); //!< Not allowed. |
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103 |
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104 Glyph* newGlyph(); //throws bad_alloc |
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105 |
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106 int m_referenceCount; |
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107 Array<Glyph> m_glyphs; |
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108 }; |
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109 |
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110 //======================================================================= |
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111 |
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112 } //namespace OpenVGRI |
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113 |
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114 //======================================================================= |
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115 |
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116 #endif /* __RIFONT_H */ |