drawable.h

下载来的一个看图软件的源代码

private:
  unsigned int _miterlimit;
};


// Stroke antialias
class MagickDLLDecl DrawableStrokeAntialias : public DrawableBase
{
public:
  DrawableStrokeAntialias ( bool flag_ )
    : _flag(flag_)
    { }

  /*virtual*/ ~DrawableStrokeAntialias ( void );

  // Operator to invoke equivalent draw API call
  /*virtual*/ void operator()( MagickLib::DrawContext context_ ) const;

  // Return polymorphic copy of object
  /*virtual*/ DrawableBase* copy() const;

  void flag( bool flag_ )
    {
      _flag = flag_;
    }
  bool flag( void ) const
    {
      return _flag;
    }

private:
  bool _flag;
};

// Stroke color
class MagickDLLDecl DrawableStrokeColor : public DrawableBase
{
public:
  DrawableStrokeColor ( const Color &color_ );

  DrawableStrokeColor ( const DrawableStrokeColor& original_ );

  /*virtual*/ ~DrawableStrokeColor ( void );

  // Operator to invoke equivalent draw API call
  /*virtual*/ void operator()( MagickLib::DrawContext context_ ) const;

  // Return polymorphic copy of object
  /*virtual*/ DrawableBase* copy() const;

  void color( const Color& color_ )
    {
      _color = color_;
    }
  Color color( void ) const
    {
      return _color;
    }

private:
  Color _color;
};

// Stroke opacity
class MagickDLLDecl DrawableStrokeOpacity : public DrawableBase
{
public:
  DrawableStrokeOpacity ( double opacity_ )
    : _opacity(opacity_)
    {
    }

  /*virtual*/ ~DrawableStrokeOpacity ( void );

  // Operator to invoke equivalent draw API call
  /*virtual*/ void operator()( MagickLib::DrawContext context_ ) const;

  // Return polymorphic copy of object
  /*virtual*/ DrawableBase* copy() const;

  void opacity( double opacity_ )
    {
      _opacity = opacity_;
    }
  double opacity( void ) const
    {
      return _opacity;
    }

private:
  double _opacity;
};

// Stroke width
class MagickDLLDecl DrawableStrokeWidth : public DrawableBase
{
public:
  DrawableStrokeWidth ( double width_ )
    : _width(width_)
    { }

  /*virtual*/ ~DrawableStrokeWidth ( void );

  // Operator to invoke equivalent draw API call
  /*virtual*/ void operator()( MagickLib::DrawContext context_ ) const;

  // Return polymorphic copy of object
  /*virtual*/ DrawableBase* copy() const;

  void width( double width_ )
    {
      _width = width_;
    }
  double width( void ) const
    {
      return _width;
    }

private:
  double _width;
};

// Draw text at point
class MagickDLLDecl DrawableText : public DrawableBase
{
public:
  DrawableText ( const double x_, const double y_,
                 const std::string &text_ );
  DrawableText ( const double x_, const double y_,
                 const std::string &text_, const std::string &encoding_);

  DrawableText ( const DrawableText& original_ );

  /*virtual*/ ~DrawableText ( void );

  // Operator to invoke equivalent draw API call
  /*virtual*/ void operator()( MagickLib::DrawContext context_ ) const;

  // Return polymorphic copy of object
  /*virtual*/ DrawableBase* copy() const;

  void encoding(const std::string &encoding_)
    {
      _encoding = encoding_;
    }

  void x( double x_ )
    {
      _x = x_;
    }
  double x( void ) const
    {
      return _x;
    }

  void y( double y_ )
    {
      _y = y_;
    }
  double y( void ) const
    {
      return _y;
    }

  void text( const std::string &text_ )
    {
      _text = text_;
    }
  std::string text( void ) const
    {
      return _text;
    }

private:
  double      _x;
  double      _y;
  std::string _text;
  std::string _encoding;
};

// Text antialias
class MagickDLLDecl DrawableTextAntialias : public DrawableBase
{
public:
  DrawableTextAntialias ( bool flag_ );

  DrawableTextAntialias( const DrawableTextAntialias &original_ );

  /*virtual*/ ~DrawableTextAntialias ( void );

  // Operator to invoke equivalent draw API call
  /*virtual*/ void operator()( MagickLib::DrawContext context_ ) const;

  // Return polymorphic copy of object
  /*virtual*/ DrawableBase* copy() const;

  void flag( bool flag_ )
    {
      _flag = flag_;
    }
  bool flag( void ) const
    {
      return _flag;
    }

private:
  bool _flag;
};

// Decoration (text decoration)
class MagickDLLDecl DrawableTextDecoration : public DrawableBase
{
public:
  DrawableTextDecoration ( DecorationType decoration_ );

  DrawableTextDecoration ( const DrawableTextDecoration& original_ );

  /*virtual*/ ~DrawableTextDecoration( void );

  // Operator to invoke equivalent draw API call
  /*virtual*/  void operator()( MagickLib::DrawContext context_ ) const;

  // Return polymorphic copy of object
  /*virtual*/ DrawableBase* copy() const;

  void decoration( DecorationType decoration_ )
    {
      _decoration = decoration_;
    }
  DecorationType decoration( void ) const
    {
      return _decoration;
    }

private:
  DecorationType _decoration;
};

// Text undercolor box
class MagickDLLDecl DrawableTextUnderColor : public DrawableBase
{
public:
  DrawableTextUnderColor ( const Color &color_ );

  DrawableTextUnderColor ( const DrawableTextUnderColor& original_ );

  /*virtual*/ ~DrawableTextUnderColor ( void );

  // Operator to invoke equivalent draw API call
  /*virtual*/ void operator()( MagickLib::DrawContext context_ ) const;

  // Return polymorphic copy of object
  /*virtual*/ DrawableBase* copy() const;

  void color( const Color& color_ )
    {
      _color = color_;
    }
  Color color( void ) const
    {
      return _color;
    }

private:
  Color _color;
};

// Apply Translation
class MagickDLLDecl DrawableTranslation : public DrawableBase
{
public:
  DrawableTranslation ( double x_, double y_ )
    : _x(x_),
      _y(y_)
    { }

  /*virtual*/ ~DrawableTranslation ( void );

  // Operator to invoke equivalent draw API call
  /*virtual*/ void operator()( MagickLib::DrawContext context_ ) const;

  // Return polymorphic copy of object
  /*virtual*/ DrawableBase* copy() const;

  void x( double x_ )
    {
      _x = x_;
    }
  double x( void ) const
    {
      return _x;
    }

  void y( double y_ )
    {
      _y = y_;
    }
  double y( void ) const
    {
      return _y;
    }

private:
  double _x;
  double _y;
};

// Set the size of the viewbox
class MagickDLLDecl DrawableViewbox : public DrawableBase
{
public:
  DrawableViewbox(unsigned long x1_, unsigned long y1_,
                  unsigned long x2_, unsigned long y2_)
    : _x1(x1_),
      _y1(y1_),
      _x2(x2_),
      _y2(y2_) { }

  /*virtual*/ ~DrawableViewbox ( void );

  // Operator to invoke equivalent draw API call
  /*virtual*/ void operator()( MagickLib::DrawContext context_ ) const;

  // Return polymorphic copy of object
  /*virtual*/
  DrawableBase* copy() const;

  void x1( unsigned long x1_ )
    {
      _x1 = x1_;
    }
  unsigned long x1( void ) const
    {
      return _x1;
    }

  void y1( unsigned long y1_ )
    {
      _y1 = y1_;
    }
  unsigned long y1( void ) const
    {
      return _y1;
    }

  void x2( unsigned long x2_ )
    {
      _x2 = x2_;
    }
  unsigned long x2( void ) const
    {
      return _x2;
    }

  void y2( unsigned long y2_ )
    {
      _y2 = y2_;
    }
  unsigned long y2( void ) const
    {
      return _y2;
    }

private:
  unsigned long _x1;
  unsigned long _y1;
  unsigned long _x2;
  unsigned long _y2;
};

//
// Path Element Classes To Support DrawablePath
//
class MagickDLLDecl PathArcArgs
{
public:
  PathArcArgs( void );

  PathArcArgs( double radiusX_, double radiusY_,
               double xAxisRotation_, bool largeArcFlag_,
               bool sweepFlag_, double x_, double y_ );

  PathArcArgs( const PathArcArgs &original_ );

  ~PathArcArgs ( void );

  void radiusX( double radiusX_ )
    {
      _radiusX = radiusX_;
    }
  double radiusX( void ) const
    {
      return _radiusX;
    }

  void radiusY( double radiusY_ )
    {
      _radiusY = radiusY_;
    }
  double radiusY( void ) const
    {
      return _radiusY;
    }

  void xAxisRotation( double xAxisRotation_ )
    {
      _xAxisRotation = xAxisRotation_;
    }
  double xAxisRotation( void ) const
    {
      return _xAxisRotation;
    }

  void largeArcFlag( bool largeArcFlag_ )
    {
      _largeArcFlag = largeArcFlag_;
    }
  bool largeArcFlag( void ) const
    {
      return _largeArcFlag;
    }

  void sweepFlag( bool sweepFlag_ )
    {
      _sweepFlag = sweepFlag_;
    }
  bool sweepFlag( void ) const
    {
      return _sweepFlag;
    }

  void x( double x_ )
    {
      _x = x_;
    }
  double x( void ) const
    {
      return _x;
    }

  void y( double y_ )
    {
      _y = y_;
    }
  double y( void ) const
    {
      return _y;
    }

private:
  double	_radiusX;	// X radius
  double	_radiusY;	// Y radius
  double	_xAxisRotation;	// Rotation relative to X axis
  bool        _largeArcFlag;	// Draw longer of the two matching arcs
  bool        _sweepFlag;	// Draw arc matching clock-wise rotation
  double	_x;		// End-point X
  double	_y;		// End-point Y
};

// Compare two PathArcArgs objects regardless of LHS/RHS
MagickDLLDeclExtern int operator == ( const PathArcArgs& left_,
                                      const PathArcArgs& right_ );
MagickDLLDeclExtern int operator != ( const PathArcArgs& left_,
                                      const PathArcArgs& right_ );
MagickDLLDeclExtern int operator >  ( const PathArcArgs& left_,
                                      const PathArcArgs& right_ );
MagickDLLDeclExtern int operator <  ( const PathArcArgs& left_,
                                      const PathArcArgs& right_ );
MagickDLLDeclExtern int operator >= ( const PathArcArgs& left_,
                                      const PathArcArgs& right_ );
MagickDLLDeclExtern int operator <= ( const PathArcArgs& left_,
                                      const PathArcArgs& right_ );

typedef std::list<Magick::PathArcArgs> PathArcArgsList;

#if defined(MagickDLLBuild)

MagickDrawableExtern template class MagickDLLDecl
std::allocator<Magick::PathArcArgs>;

MagickDrawableExtern template class MagickDLLDecl
std::list<Magick::PathArcArgs, std::allocator<Magick::PathArcArgs> >;

#endif // MagickDLLBuild

// Path Arc (Elliptical Arc)
class MagickDLLDecl PathArcAbs : public VPathBase
{
public:
  // Draw a single arc segment
  PathArcAbs ( const PathArcArgs &coordinates_ );

  // Draw multiple arc segments
  PathArcAbs ( const PathArcArgsList &coordinates_ );

  // Copy constructor
  PathArcAbs ( const PathArcAbs& original_ );

  // Destructor
  /*virtual*/ ~PathArcAbs ( void );

  // Operator to invoke equivalent draw API call
  /*virtual*/ void operator()( MagickLib::DrawContext context_ ) const;

  // Return polymorphic copy of object
  /*virtual*/ VPathBase* copy() const;

private:
  PathArcArgsList _coordinates;
};
class MagickDLLDecl PathArcRel : public VPathBase
{
public:
  // Draw a single arc segment
  PathArcRel ( const PathArcArgs &coordinates_ );

  // Draw multiple arc segments
  PathArcRel ( const PathArcArgsList &coordinates_ );

  PathArcRel ( const PathArcRel& original_ );

  /*virtual*/ ~PathArcRel ( void );

  // Operator to invoke equivalent draw API call
  /*virtual*/ void operator()( MagickLib::DrawContext context_ ) const;

  // Return polymorphic copy of object
  /*virtual*/ VPathBase* copy() const;

private:
  PathArcArgsList _coordinates;
};

// Path Closepath
class MagickDLLDecl PathClosePath : public VPathBase
{
public:
  PathClosePath ( void )
    : _dummy(0)
    {
    }

  /*virtual*/ ~PathClosePath ( void );

  // Operator to invoke equivalent draw API call
  /*virtual*/ void operator()( MagickLib::DrawContext context_ ) const;

  // Return polymorphic copy of object
  /*virtual*/ VPathBase* copy() const;

private:
  int   _dummy;
};

//
// Curveto (Cubic Bezier)
//
class MagickDLLDecl PathCurvetoArgs
{
public:
  PathCurvetoArgs( void );

  PathCurvetoArgs( double x1_, double y1_,
                   double x2_, double y2_,
                   double x_, double y_ );

  PathCurvetoArgs( const PathCurvetoArgs &original_ );

  ~PathCurvetoArgs ( void );

  void x1( double x1_ )
    {
      _x1 = x1_;
    }
double x1( void ) const
{
  return _x1;
}