#include <Shapes.h>
Public Member Functions | |
Line (double x1, double y1, double x2, double y2, Color color, float lineWidth, const LineCap cap=ButtCap, const LineJoin join=MiterJoin, int depth=-1) | |
const std::string & | name () const |
Point | center () const |
Shape & | rotate (double angle, const Point ¢er) |
Line | rotated (double angle, const Point ¢er) const |
Shape & | rotate (double angle) |
Line | rotated (double angle) const |
Shape & | translate (double dx, double dy) |
Line | translated (double dx, double dy) const |
Shape & | scale (double sx, double sy) |
Shape & | scale (double s) |
Line | scaled (double sx, double sy) const |
Line | 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< Color, int > &colormap) const |
void | flushSVG (std::ostream &stream, const TransformSVG &transform) const |
Rect | boundingBox () const |
Shape * | clone () const |
Protected Attributes | |
double | _x1 |
double | _y1 |
double | _x2 |
double | _y2 |
The line structure.
examples/ellipse.cpp, examples/example4.cpp, examples/koch.cpp, examples/logo.cpp, and examples/ruler.cpp.
LibBoard::Line::Line | ( | double | x1, | |
double | y1, | |||
double | x2, | |||
double | y2, | |||
Color | color, | |||
float | lineWidth, | |||
const LineCap | cap = ButtCap , |
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const LineJoin | join = MiterJoin , |
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int | depth = -1 | |||
) | [inline] |
Constructs a line.
x1 | First coordinate of the start point. | |
y1 | Second coordinate of the start point. | |
x2 | First coordinate of the end point. | |
y2 | Second coordinate of the end point. | |
color | The color of the line. | |
lineWidth | The line thickness. | |
depth | The depth of the line. |
Referenced by clone().
const std::string & LibBoard::Line::name | ( | ) | const [virtual] |
Returns the generic name of the shape (e.g., Circle, Rectangle, etc.)
Reimplemented from LibBoard::Shape.
Reimplemented in LibBoard::Arrow.
Point LibBoard::Line::center | ( | ) | const [virtual] |
Returns the gravity center of the shape.
Implements LibBoard::Shape.
References _x1, _x2, _y1, and _y2.
Referenced by rotate(), LibBoard::Arrow::rotated(), rotated(), scale(), LibBoard::Arrow::scaled(), and scaled().
Rotate the shape around a given center of rotation.
angle | The rotation angle in radian. | |
center | The center of rotation. |
Implements LibBoard::Shape.
References _x1, _x2, _y1, _y2, and LibBoard::Shape::rotate().
Referenced by rotate().
Returns a copy of the line, rotated around a given rotation center.
angle | The rotation angle. | |
center | The center of rotation. |
Reimplemented in LibBoard::Arrow.
Shape & LibBoard::Line::rotate | ( | double | angle | ) | [virtual] |
Rotate the shape around its center.
angle | The rotation angle in radian. |
Implements LibBoard::Shape.
Line LibBoard::Line::rotated | ( | double | angle | ) | const |
Shape & LibBoard::Line::translate | ( | double | dx, | |
double | dy | |||
) | [virtual] |
Translate the shape by a given offset.
dx | The x offset. | |
dy | The y offset. |
Implements LibBoard::Shape.
References _x1, _x2, _y1, and _y2.
Referenced by scale(), LibBoard::Arrow::scaled(), and scaled().
Line LibBoard::Line::translated | ( | double | dx, | |
double | dy | |||
) | const |
Returns a translated copy of the line.
dx | The shift along the x axis. | |
dy | The shift along the y axis. |
Reimplemented in LibBoard::Arrow.
Shape & LibBoard::Line::scale | ( | double | sx, | |
double | sy | |||
) | [virtual] |
Scale the shape along the x an y axis.
sx | The scale factor along the x axis. | |
sy | The scale factor along the y axis. |
Implements LibBoard::Shape.
References _x1, _x2, _y1, _y2, center(), translate(), LibBoard::Point::x, and LibBoard::Point::y.
Referenced by scale().
Shape & LibBoard::Line::scale | ( | double | s | ) | [virtual] |
Scale the shape along both axis.
s | The scale factor along both axis. |
Implements LibBoard::Shape.
References scale().
Line LibBoard::Line::scaled | ( | double | sx, | |
double | sy | |||
) | const |
Returns a scaled copy of the line.
sx | Scale factor along the x axis. | |
sy | Scale factor along the y axis. |
Reimplemented in LibBoard::Arrow.
References _x1, _x2, _y1, _y2, center(), translate(), LibBoard::Point::x, and LibBoard::Point::y.
void LibBoard::Line::scaleAll | ( | double | s | ) | [virtual] |
Scales all the values (positions, dimensions, etc.) associated with the shape.
s | The scaling factor. |
Implements LibBoard::Shape.
void LibBoard::Line::flushPostscript | ( | std::ostream & | stream, | |
const TransformEPS & | transform | |||
) | const [virtual] |
Writes the EPS code of the shape in a stream according to a transform.
stream | The output stream. | |
transform | A 2D transform to be applied. |
Implements LibBoard::Shape.
Reimplemented in LibBoard::Arrow.
References LibBoard::Shape::_penColor, _x1, _x2, _y1, _y2, LibBoard::Transform::mapX(), LibBoard::TransformEPS::mapY(), LibBoard::Color::postscript(), and LibBoard::Shape::postscriptProperties().
void LibBoard::Line::flushFIG | ( | std::ostream & | stream, | |
const TransformFIG & | transform, | |||
std::map< Color, int > & | colormap | |||
) | const [virtual] |
Writes the FIG code of the shape in a stream according to a transform.
stream | The output stream. | |
transform | A 2D transform to be applied. |
Implements LibBoard::Shape.
Reimplemented in LibBoard::Arrow.
References LibBoard::Shape::_depth, LibBoard::Shape::_lineCap, LibBoard::Shape::_lineJoin, LibBoard::Shape::_lineWidth, LibBoard::Shape::_penColor, _x1, _x2, _y1, _y2, LibBoard::TransformFIG::mapDepth(), LibBoard::TransformFIG::mapWidth(), LibBoard::Transform::mapX(), LibBoard::TransformFIG::mapY(), and LibBoard::Color::valid().
void LibBoard::Line::flushSVG | ( | std::ostream & | stream, | |
const TransformSVG & | transform | |||
) | const [virtual] |
Writes the SVG code of the shape in a stream according to a transform.
stream | The output stream. | |
transform | A 2D transform to be applied. |
Implements LibBoard::Shape.
Reimplemented in LibBoard::Arrow.
References _x1, _x2, _y1, _y2, LibBoard::Transform::mapX(), LibBoard::TransformSVG::mapY(), and LibBoard::Shape::svgProperties().
Rect LibBoard::Line::boundingBox | ( | ) | const [virtual] |
Returns the bounding box of the figure.
Implements LibBoard::Shape.
References _x1, _x2, _y1, _y2, LibBoard::Rect::height, LibBoard::Rect::left, LibBoard::Rect::top, and LibBoard::Rect::width.
Shape * LibBoard::Line::clone | ( | ) | const [virtual] |
Return a copy of the shape.
Implements LibBoard::Shape.
Reimplemented in LibBoard::Arrow.
References Line().
double LibBoard::Line::_x1 [protected] |
First coordinate of the start point.
Referenced by boundingBox(), center(), LibBoard::Arrow::flushFIG(), flushFIG(), LibBoard::Arrow::flushPostscript(), flushPostscript(), LibBoard::Arrow::flushSVG(), flushSVG(), rotate(), LibBoard::Arrow::rotated(), rotated(), scale(), scaleAll(), LibBoard::Arrow::scaled(), scaled(), translate(), LibBoard::Arrow::translated(), and translated().
double LibBoard::Line::_y1 [protected] |
Second coordinate of the start point.
Referenced by boundingBox(), center(), LibBoard::Arrow::flushFIG(), flushFIG(), LibBoard::Arrow::flushPostscript(), flushPostscript(), LibBoard::Arrow::flushSVG(), flushSVG(), rotate(), LibBoard::Arrow::rotated(), rotated(), scale(), scaleAll(), LibBoard::Arrow::scaled(), scaled(), translate(), LibBoard::Arrow::translated(), and translated().
double LibBoard::Line::_x2 [protected] |
First coordinate of the end point.
Referenced by boundingBox(), center(), LibBoard::Arrow::flushFIG(), flushFIG(), LibBoard::Arrow::flushPostscript(), flushPostscript(), LibBoard::Arrow::flushSVG(), flushSVG(), rotate(), LibBoard::Arrow::rotated(), rotated(), scale(), scaleAll(), LibBoard::Arrow::scaled(), scaled(), translate(), LibBoard::Arrow::translated(), and translated().
double LibBoard::Line::_y2 [protected] |
Second coordinate of the end point.
Referenced by boundingBox(), center(), LibBoard::Arrow::flushFIG(), flushFIG(), LibBoard::Arrow::flushPostscript(), flushPostscript(), LibBoard::Arrow::flushSVG(), flushSVG(), rotate(), LibBoard::Arrow::rotated(), rotated(), scale(), scaleAll(), LibBoard::Arrow::scaled(), scaled(), translate(), LibBoard::Arrow::translated(), and translated().