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LibBoard::GouraudTriangle Struct Reference

#include <Shapes.h>

Inheritance diagram for LibBoard::GouraudTriangle:
Collaboration diagram for LibBoard::GouraudTriangle:

Public Member Functions

 GouraudTriangle (const Point &p0, const DGtal::Color &color0, const Point &p1, const DGtal::Color &color1, const Point &p2, const DGtal::Color &color2, int subdivisions, int depth=-1)
 GouraudTriangle (const Point &p0, float brightness0, const Point &p1, float brightness1, const Point &p2, float brightness2, const DGtal::Color &fillColor, int subdivisions, int depth=-1)
const std::string & name () const
Point center () const
GouraudTrianglerotate (double angle, const Point &center)
GouraudTriangle rotated (double angle, const Point &center) const
GouraudTrianglerotate (double angle)
GouraudTriangle rotated (double angle) const
GouraudTriangle translated (double dx, double dy) const
GouraudTriangle scaled (double sx, double sy) const
GouraudTriangle scaled (double s) const
void scaleAll (double s)
void flushPostscript (std::ostream &stream, const TransformEPS &transform) const
void flushFIG (std::ostream &stream, const TransformFIG &transform, std::map< DGtal::Color, int > &colormap) const
void flushSVG (std::ostream &stream, const TransformSVG &transform) const
void flushTikZ (std::ostream &stream, const TransformTikZ &transform) const
GouraudTriangleclone () const
- Public Member Functions inherited from LibBoard::Polyline
 Polyline (const std::vector< Point > &points, bool closed, DGtal::Color penColor, DGtal::Color fillColor, double lineWidth, const LineStyle lineStyle=SolidStyle, const LineCap cap=ButtCap, const LineJoin join=MiterJoin, int depth=-1)
 Polyline (const Path &path, DGtal::Color penColor, DGtal::Color fillColor, double lineWidth, const LineStyle lineStyle=SolidStyle, const LineCap cap=ButtCap, const LineJoin join=MiterJoin, int depth=-1)
 Polyline (bool closed, DGtal::Color penColor, DGtal::Color fillColor, double lineWidth, const LineStyle lineStyle=SolidStyle, const LineCap cap=ButtCap, const LineJoin join=MiterJoin, int depth=-1)
Polylineoperator<< (const Point &p)
Pointoperator[] (const unsigned int n)
Polylinetranslate (double dx, double dy)
Shapescale (double sx, double sy)
Shapescale (double s)
Rect boundingBox () const
- Public Member Functions inherited from LibBoard::Shape
 Shape (DGtal::Color penColor, DGtal::Color fillColor, double lineWidth, LineStyle style, const LineCap cap, const LineJoin join, int depth)
virtual ~Shape ()
bool filled () const
ShaperotateDeg (double angle, const Point &center)
ShaperotateDeg (double angle)
Rect bbox ()
Shapeoperator-- ()
Shapeoperator++ ()
int depth () const
virtual void depth (int)
virtual void shiftDepth (int shift)
const DGtal::Color & penColor () const
const DGtal::Color & fillColor () const

Protected Attributes

DGtal::Color _color0
DGtal::Color _color1
DGtal::Color _color2
int _subdivisions
- Protected Attributes inherited from LibBoard::Polyline
Path _path
- Protected Attributes inherited from LibBoard::Shape
int _depth
DGtal::Color _penColor
DGtal::Color _fillColor
double _lineWidth
LineStyle _lineStyle
LineCap _lineCap
LineJoin _lineJoin

Static Private Attributes

static const std::string _name

Detailed Description

A triangle with shaded filling according to colors given for each vertex.

The GouraudTriangle structure.


Constructor & Destructor Documentation

LibBoard::GouraudTriangle::GouraudTriangle ( const Point p0,
const DGtal::Color &  color0,
const Point p1,
const DGtal::Color &  color1,
const Point p2,
const DGtal::Color &  color2,
int  subdivisions,
int  depth = -1 
)
LibBoard::GouraudTriangle::GouraudTriangle ( const Point p0,
float  brightness0,
const Point p1,
float  brightness1,
const Point p2,
float  brightness2,
const DGtal::Color &  fillColor,
int  subdivisions,
int  depth = -1 
)

Member Function Documentation

Point LibBoard::GouraudTriangle::center ( ) const
virtual

Returns the gravity center of the shape.

Returns:
The center of the shape.

Reimplemented from LibBoard::Polyline.

Referenced by rotate(), and rotated().

GouraudTriangle * LibBoard::GouraudTriangle::clone ( ) const
virtual

Return a copy of the shape.

Returns:

Reimplemented from LibBoard::Polyline.

References GouraudTriangle().

void LibBoard::GouraudTriangle::flushFIG ( std::ostream &  stream,
const TransformFIG transform,
std::map< DGtal::Color, int > &  colormap 
) const
virtual

Sends the Triangle to a FIG file format stream.

Warning! Because shading would generally require more colors in the colormap than allowed by the FIG file format, rendering a Gouraud triangle in an XFig file is the same as rendering a simple triangle whose filling color is the average of the vertex colors.

Parameters:
stream
transform
DGtal::Color
colormap

Reimplemented from LibBoard::Polyline.

References _color0, _color1, _color2, and LibBoard::Polyline::Polyline().

void LibBoard::GouraudTriangle::flushPostscript ( std::ostream &  stream,
const TransformEPS transform 
) const
virtual

Sends the triangle to a Postscript document.

Parameters:
stream
transform

Reimplemented from LibBoard::Polyline.

References _color0, _color1, _color2, LibBoard::Shape::_depth, _subdivisions, GouraudTriangle(), LibBoard::Point::x, and LibBoard::Point::y.

void LibBoard::GouraudTriangle::flushSVG ( std::ostream &  stream,
const TransformSVG transform 
) const
virtual

Writes the SVG code of the shape in a stream according to a transform.

Parameters:
streamThe output stream.
transformA 2D transform to be applied.

Reimplemented from LibBoard::Polyline.

References _color0, _color1, _color2, LibBoard::Shape::_depth, _subdivisions, GouraudTriangle(), LibBoard::Point::x, and LibBoard::Point::y.

void LibBoard::GouraudTriangle::flushTikZ ( std::ostream &  stream,
const TransformTikZ transform 
) const
virtual

Writes the TikZ code of the shape in a stream according to a transform.

Parameters:
streamThe output stream.
transformA 2D transform to be applied.

Reimplemented from LibBoard::Polyline.

const std::string & LibBoard::GouraudTriangle::name ( ) const
virtual

Returns the generic name of the shape (e.g., Circle, Rectangle, etc.)

Returns:

Reimplemented from LibBoard::Polyline.

References _name.

GouraudTriangle & LibBoard::GouraudTriangle::rotate ( double  angle,
const Point center 
)
virtual

Rotate the shape around a given center of rotation.

Parameters:
angleThe rotation angle in radian.
centerThe center of rotation.
Returns:
A reference to the shape itself.

Reimplemented from LibBoard::Polyline.

References rotate().

Referenced by rotate().

GouraudTriangle & LibBoard::GouraudTriangle::rotate ( double  angle)
virtual

Rotate the shape around its center.

Parameters:
angleThe rotation angle in radian.
Returns:
A reference to the shape itself.

Reimplemented from LibBoard::Polyline.

References center(), and rotate().

GouraudTriangle LibBoard::GouraudTriangle::rotated ( double  angle,
const Point center 
) const
Parameters:
angle
center
Returns:

Reimplemented from LibBoard::Polyline.

References GouraudTriangle().

GouraudTriangle LibBoard::GouraudTriangle::rotated ( double  angle) const
Parameters:
angle
Returns:

Reimplemented from LibBoard::Polyline.

References center(), and GouraudTriangle().

void LibBoard::GouraudTriangle::scaleAll ( double  s)
virtual

Scales all the values (positions, dimensions, etc.) associated with the shape.

Parameters:
sThe scaling factor.

Reimplemented from LibBoard::Polyline.

GouraudTriangle LibBoard::GouraudTriangle::scaled ( double  sx,
double  sy 
) const

Returns a scaled copy of the triangle.

Parameters:
sxScale factor along the x axis.
syScale factor along the y axis.
Returns:
A scaled copy of the arrow.

Reimplemented from LibBoard::Polyline.

References GouraudTriangle().

GouraudTriangle LibBoard::GouraudTriangle::scaled ( double  s) const

Reimplemented from LibBoard::Polyline.

References GouraudTriangle().

GouraudTriangle LibBoard::GouraudTriangle::translated ( double  dx,
double  dy 
) const

Returns a translated copy of the triangle.

Parameters:
dxThe shift along the x axis.
dyThe shift along the y axis.
Returns:
A translated copy of the line.

Reimplemented from LibBoard::Polyline.

References GouraudTriangle().


Field Documentation

DGtal::Color LibBoard::GouraudTriangle::_color0
protected
DGtal::Color LibBoard::GouraudTriangle::_color1
protected
DGtal::Color LibBoard::GouraudTriangle::_color2
protected
const std::string LibBoard::GouraudTriangle::_name
staticprivate

The generic name of the shape.

Reimplemented from LibBoard::Polyline.

Referenced by name().

int LibBoard::GouraudTriangle::_subdivisions
protected

Referenced by flushPostscript(), and flushSVG().


The documentation for this struct was generated from the following files: