Dogcows Code - chaz/openbox/blob - otk/rendertexture.hh

   1 // -*- mode: C++; indent-tabs-mode: nil; c-basic-offset: 2; -*-
   2 #ifndef __rendertexture_hh
   3 #define __rendertexture_hh
   4
   5 #include "rendercolor.hh"
   6
   7 namespace otk {
   8
   9 //! Superclass for all the Textures
  10 class RenderTexture {
  11 public:
  12   enum ReliefType {
  13     Flat,
  14     Raised,
  15     Sunken
  16   };
  17   enum BevelType {
  18     Bevel1,
  19     Bevel2
  20   };
  21   enum GradientType {
  22     Solid,
  23     Horizontal,
  24     Vertical,
  25     Diagonal,
  26     CrossDiagonal,
  27     PipeCross,
  28     Rectangle,
  29     Pyramid,
  30     Elliptic
  31   };
  32
  33 private:
  34   int _screen;
  35
  36   //! If true, the texture is not rendered at all, so all options are ignored
  37   bool _parent_relative;
  38   //! The relief type of the texture
  39   ReliefType _relief;
  40   //! The way the bevel should be drawn
  41   BevelType _bevel;
  42   //! If a flat border is drawn on the outside, ignored for all ReliefType
  43   //! values except ReliefType::Flat
  44   bool _border;
  45   //! The type of gradient to fill the texture with (if any)
  46   GradientType _gradient;
  47   //! If interlace lines should be drawn over the texture
  48   bool _interlaced;
  49
  50   //! The base color for the texture, the only color when the texture is solid.
  51   //! This must always be defined
  52   const RenderColor *_color;
  53   //! The secondary color for a gradient texture.
  54   //! This is only defined for gradients
  55   const RenderColor *_secondary_color;
  56   //! The shadow color for the bevel. This must be defined if
  57   //! RenderTexture::_relief is not RenderTexture::ReliefType::Flat
  58   const RenderColor *_bevel_dark_color;
  59   //! The light color for the bevel. This must be defined if
  60   //! RenderTexture::_relief is not RenderTexture::ReliefType::Flat
  61   const RenderColor *_bevel_light_color;
  62   //! The color for the flat border if RenderTexture::_border is true. This
  63   //! must be defined if it is true
  64   const RenderColor *_border_color;
  65   //! The color for the interlace lines if RenderTexture. This must be defined
  66   //! if it is true
  67   const RenderColor *_interlace_color;
  68
  69 public:
  70   RenderTexture(int screen,
  71                 bool parent_relative, ReliefType relief, BevelType bevel,
  72                 bool border, GradientType gradient, bool interlaced,
  73                 const RGB &color,
  74                 const RGB &secondary_color,
  75                 const RGB &border_color,
  76                 const RGB &interlace_color)
  77     : _screen(screen),
  78       _parent_relative(parent_relative),
  79       _relief(relief),
  80       _bevel(bevel),
  81       _border(border),
  82       _gradient(gradient),
  83       _interlaced(interlaced),
  84       _color(new RenderColor(screen, color)),
  85       _secondary_color(new RenderColor(screen, secondary_color)),
  86       _bevel_dark_color(0),
  87       _bevel_light_color(0),
  88       _border_color(new RenderColor(screen, border_color)),
  89       _interlace_color(new RenderColor(screen, interlace_color))
  90   {
  91     if (_relief != Flat) {
  92       unsigned char r, g, b;
  93
  94       // calculate the light bevel color
  95       r = _color->red() + _color->red() / 2;
  96       g = _color->green() + _color->green() / 2;
  97       b = _color->blue() + _color->blue() / 2;
  98       // watch for wraparound
  99       if (r < _color->red()) r = 0xff;
 100       if (g < _color->green()) g = 0xff;
 101       if (b < _color->blue()) b = 0xff;
 102       _bevel_dark_color = new RenderColor(screen, r, g, b);
 103
 104       // calculate the dark bevel color
 105       r = _color->red() / 4 + _color->red() / 2;
 106       g = _color->green() / 4 + _color->green() / 2;
 107       b = _color->blue() / 4 + _color->blue() / 2;
 108       _bevel_light_color = new RenderColor(screen, r, g, b);
 109     }
 110
 111     assert(_relief == Flat || (_bevel_dark_color && _bevel_light_color));
 112     //assert(!_border || _border_color);
 113     //assert(!_interlaced || _interlace_color);
 114     assert(_color);
 115     assert(_secondary_color);
 116     assert(_border_color);
 117     assert(_interlace_color);
 118   }
 119
 120   virtual ~RenderTexture() {
 121     delete _color;
 122     delete _secondary_color;
 123     if (_bevel_dark_color) delete _bevel_dark_color;
 124     if (_bevel_dark_color) delete _bevel_light_color;
 125     delete _border_color;
 126     delete _interlace_color;
 127   }
 128
 129   //! If true, the texture is not rendered at all, so all options are ignored
 130   inline bool parentRelative() const { return _parent_relative; }
 131   //! The relief type of the texture
 132   inline ReliefType relief() const { return _relief; }
 133   //! The way the bevel should be drawn
 134   inline BevelType bevel() const { return _bevel; }
 135   //! If a flat border is drawn on the outside, ignored for all ReliefType
 136   //! values except ReliefType::Flat
 137   inline bool border() const { return _border; }
 138   //! The type of gradient to fill the texture with (if any)
 139   inline GradientType gradient() const { return _gradient; }
 140   //! If interlace lines should be drawn over the texture
 141   inline bool interlaced() const { return _interlaced; }
 142
 143   //! The base color for the texture, the only color when the texture is solid.
 144   //! This must always be defined
 145   inline const RenderColor& color() const { return *_color; }
 146   //! The secondary color for gradient textures.
 147   //! This is only defined for gradients
 148   inline const RenderColor& secondary_color() const
 149     { return *_secondary_color; }
 150   //! The shadow color for the bevel. This must be defined if
 151   //! RenderTexture::_relief is not RenderTexture::ReliefType::Flat
 152   inline const RenderColor& bevelDarkColor() const
 153     { return *_bevel_dark_color; }
 154   //! The light color for the bevel. This must be defined if
 155   //! RenderTexture::)relief is not RenderTexture::ReliefType::Flat
 156   inline const RenderColor& bevelLightColor() const
 157     { return *_bevel_light_color; }
 158   //! The color for the flat border if RenderTexture::_border is true. This
 159   //! must be defined if it is true
 160   inline const RenderColor& borderColor() const { return *_border_color; }
 161   //! The color for the interlace lines if RenderTexture. This must be defined
 162   //! if it is true
 163   inline const RenderColor& interlaceColor() const
 164     { return *_interlace_color; }
 165 };
 166
 167 }
 168
 169 #endif // __rendertexture_hh