Circles.
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#include <circle.h>
List of all members.
Public Member Functions |
| Circle (Canvas *canvas, double x, double y, double radius) |
| Circle (Group *parent, double x, double y, double radius, ItemClient *client=NULL) |
virtual | ~Circle () |
void | SetPosition (double x, double y) |
void | GetPosition (double &x, double &y) |
double | Distance (double x, double y, Item **item) const |
void | Draw (cairo_t *cr, bool is_vector) const |
void | Move (double x, double y) |
void | SetRadius (double val) |
double | GetRadius (void) const |
Protected Member Functions |
void | UpdateBounds () |
Detailed Description
Circles.
Circle item.
Definition at line 39 of file circle.h.
Constructor & Destructor Documentation
- Parameters:
-
canvas | a Canvas. |
x | the circle center horizontal position. |
y | the circle center vertical position. |
radius | the circle radius. |
Creates a new Circle and sets it as a child of the root Group of canvas.
- Parameters:
-
parent | the Group to which the new Circle will be added. |
x | the circle center horizontal position. |
y | the circle center vertical position. |
radius | the circle radius. |
client | the ItemClient for the new Circle if any. |
Creates a new Circle inside parent and sets client as its associated ItemClient.
Member Function Documentation
- Parameters:
-
x | horizontal position |
y | vertical position |
item | where to store the Item. |
Implementation of Item::Distance() for the Circle class. Sets item to this.
Reimplemented from gccv::Item.
- Parameters:
-
cr | a cairo_t. |
is_vector | whether the cairo_t is a vectorial context. |
Draws the Circle to cr.
Reimplemented from gccv::Item.
- Parameters:
-
x | where to store the circle center horizontal position. |
y | where to store the circle center vertical position. |
Retrieves the position of the circle center.
- Returns:
- the circle radius.
Definition at line 123 of file circle.h.
- Parameters:
-
x | the horizontal deplacement |
y | the vertical deplacement |
Moves the Circle.
Reimplemented from gccv::Item.
- Parameters:
-
x | the new circle center horizontal position. |
y | the new circle center vertical position. |
Sets the position of the circle center.
- Parameters:
-
radius | the new circle radius. |
Sets the circle radius.
Definition at line 123 of file circle.h.
The documentation for this class was generated from the following file: