The Gnome Chemistry Utils 0.13.3
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Straight lines. More...
#include <line.h>
Public Member Functions | |
Line (Canvas *canvas, double xstart, double ystart, double xend, double yend) | |
Line (Group *parent, double xstart, double ystart, double xend, double yend, ItemClient *client=NULL) | |
virtual | ~Line () |
void | SetPosition (double xstart, double ystart, double xend, double yend) |
double | Distance (double x, double y, Item **item) const |
void | Draw (cairo_t *cr, bool is_vector) const |
void | Move (double x, double y) |
Protected Member Functions | |
void | UpdateBounds () |
Protected Attributes | |
double | m_xstart |
double | m_ystart |
double | m_xend |
double | m_yend |
gccv::Line::Line | ( | Canvas * | canvas, |
double | xstart, | ||
double | ystart, | ||
double | xend, | ||
double | yend | ||
) |
gccv::Line::Line | ( | Group * | parent, |
double | xstart, | ||
double | ystart, | ||
double | xend, | ||
double | yend, | ||
ItemClient * | client = NULL |
||
) |
parent | the Group to which the new Line will be added. |
xstart | the horizontal start position. |
ystart | the vertical start position. |
xend | the horizontal end position. |
yend | the vertical end position. |
client | the ItemClient for the new Line if any. |
Creates a new Line inside parent and sets client as its associated ItemClient.
virtual gccv::Line::~Line | ( | ) | [virtual] |
The destructor.
double gccv::Line::Distance | ( | double | x, |
double | y, | ||
Item ** | item | ||
) | const [virtual] |
x | horizontal position |
y | vertical position |
item | where to store the Item. |
Implementation of Item::Distance() for the Line class. Sets item to this.
Reimplemented from gccv::Item.
Reimplemented in gccv::Arrow.
void gccv::Line::Draw | ( | cairo_t * | cr, |
bool | is_vector | ||
) | const [virtual] |
cr | a cairo_t. |
is_vector | whether the cairo_t is a vectorial context. |
Draws the Line to cr.
Reimplemented from gccv::Item.
Reimplemented in gccv::Arrow.
void gccv::Line::Move | ( | double | x, |
double | y | ||
) | [virtual] |
x | the horizontal deplacement |
y | the vertical deplacement |
Moves the Line.
Reimplemented from gccv::Item.
void gccv::Line::SetPosition | ( | double | xstart, |
double | ystart, | ||
double | xend, | ||
double | yend | ||
) |
xstart | the new horizontal start position. |
ystart | the new vertical start position. |
xend | the new horizontal end position. |
yend | the new vertical end position. |
Sets the Line position.
void gccv::Line::UpdateBounds | ( | ) | [protected, virtual] |
double gccv::Line::m_xend [protected] |
The horizontal end position.
Definition at line 120 of file gccv/line.h.
double gccv::Line::m_xstart [protected] |
The horizontal start position.
Definition at line 112 of file gccv/line.h.
double gccv::Line::m_yend [protected] |
The vertical end position.
Definition at line 124 of file gccv/line.h.
double gccv::Line::m_ystart [protected] |
The vertical start position.
Definition at line 116 of file gccv/line.h.