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opengl_fonts.h
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1 /* +---------------------------------------------------------------------------+
2  | The Mobile Robot Programming Toolkit (MRPT) C++ library |
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6  | Copyright (C) 2005-2012 University of Malaga |
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10  | Contact: Jose-Luis Blanco <jlblanco@ctima.uma.es> |
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27  +---------------------------------------------------------------------------+ */
28 
29 #ifndef mrpt_opengl_fonts_H
30 #define mrpt_opengl_fonts_H
31 
32 #include <mrpt/utils/TColor.h>
33 #include <mrpt/utils/types.h>
34 #include <mrpt/opengl/link_pragmas.h>
35 
36 namespace mrpt
37 {
38  namespace opengl
39  {
40  /** Existing fonts for 2D texts in mrpt::opengl methods.
41  * \sa mrpt::opengl::CMyGLCanvasBase::renderTextBitmap
42  * \ingroup mrpt_opengl_grp
43  */
44  enum TOpenGLFont
45  {
46  MRPT_GLUT_BITMAP_NONE = -1,
47  MRPT_GLUT_BITMAP_TIMES_ROMAN_10 = 0,
48  MRPT_GLUT_BITMAP_TIMES_ROMAN_24 = 1,
49  MRPT_GLUT_BITMAP_HELVETICA_10 = 2,
50  MRPT_GLUT_BITMAP_HELVETICA_12 = 3,
51  MRPT_GLUT_BITMAP_HELVETICA_18 = 4
52  };
53 
54  /** Different style for vectorized font rendering \sa T2DTextData */
55  enum TOpenGLFontStyle {
56  FILL = 0, ///< renders glyphs as filled polygons
57  OUTLINE = 1, ///< renders glyphs as outlines with GL_LINES
58  NICE = 2 ///< renders glyphs filled with antialiased outlines
59  };
60 
61  /** A description of a bitmapped or vectorized text font.
62  * (Vectorized fonts are recommended for new code).
63  *
64  * \sa mrpt::opengl::gl_utils::glSetFont(), mrpt::opengl::gl_utils::glDrawText()
65  */
66  struct OPENGL_IMPEXP TFontParams
67  {
68  TFontParams() :
69  font(MRPT_GLUT_BITMAP_NONE),
70  vfont_name("sans"),
71  vfont_scale(10),
72  vfont_style(),
73  vfont_spacing(1.5),
74  vfont_kerning(0.1)
75  {
76  }
77 
78  mrpt::utils::TColorf color;
79 
80  /** @name Bitmapped font params
81  @{ */
82  mrpt::opengl::TOpenGLFont font;
83  /** @} */
84 
85  /** @name Vectorized font params - Applicable only if font==MRPT_GLUT_BITMAP_NONE
86  @{ */
87  std::string vfont_name; //!< Vectorized font name ("sans","mono","serif")
88  double vfont_scale; //!< Size of characters
89  TOpenGLFontStyle vfont_style; //!< (default: NICE) See TOpenGLFontStyle.
90  double vfont_spacing; //!< (default: 1.5) Refer to mrpt::opengl::gl_utils::glDrawText
91  double vfont_kerning; //!< (default: 0.1) Refer to mrpt::opengl::gl_utils::glDrawText
92  /** @} */
93  };
94 
95  /** An auxiliary struct for holding a list of text messages in some mrpt::opengl & mrpt::gui classes
96  * The font can be either a bitmapped or a vectorized font.
97  * \sa mrpt::opengl::CTextMessageCapable
98  * \ingroup mrpt_opengl_grp
99  */
100  struct OPENGL_IMPEXP T2DTextData : public TFontParams
101  {
102  T2DTextData() { }
103 
104  std::string text;
105  double x,y;
106  };
107 
108  }
109 }
110 
111 #endif


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