Synopsis

                    GOMarker;
enum                GOMarkerShape;
void                go_marker_assign                    (GOMarker *dst,
                                                         GOMarker const *src);
cairo_surface_t *   go_marker_create_cairo_surface      (GOMarker const *marker,
                                                         cairo_t *cr,
                                                         double scale,
                                                         double *width,
                                                         double *height);
GOMarker *          go_marker_dup                       (GOMarker const *src);
GOColor             go_marker_get_fill_color            (GOMarker const *m);
GOColor             go_marker_get_outline_color         (GOMarker const *m);
double              go_marker_get_outline_width         (GOMarker const *m);
GOMarkerShape       go_marker_get_shape                 (GOMarker const *m);
int                 go_marker_get_size                  (GOMarker const *m);
GOMarker *          go_marker_new                       (void);
void                go_marker_render                    (GOMarker const *marker,
                                                         cairo_t *cr,
                                                         double x,
                                                         double y,
                                                         double scale);
void                go_marker_set_fill_color            (GOMarker *m,
                                                         GOColor color);
void                go_marker_set_outline_color         (GOMarker *m,
                                                         GOColor color);
void                go_marker_set_shape                 (GOMarker *m,
                                                         GOMarkerShape shape);
void                go_marker_set_size                  (GOMarker *m,
                                                         int size);
char const      *   go_marker_shape_as_str              (GOMarkerShape shape);
GOMarkerShape       go_marker_shape_from_str            (char const *name);

Object Hierarchy

  GObject
   +----GOMarker

Description

Details

GOMarker

typedef struct _GOMarker GOMarker;


enum GOMarkerShape

typedef enum {
	GO_MARKER_NONE,
	GO_MARKER_SQUARE,
	GO_MARKER_DIAMOND,
	GO_MARKER_TRIANGLE_DOWN,
	GO_MARKER_TRIANGLE_UP,
	GO_MARKER_TRIANGLE_RIGHT,
	GO_MARKER_TRIANGLE_LEFT,
	GO_MARKER_CIRCLE,
	GO_MARKER_X,
	GO_MARKER_CROSS,
	GO_MARKER_ASTERISK,
	GO_MARKER_BAR,
	GO_MARKER_HALF_BAR,
	GO_MARKER_BUTTERFLY,
	GO_MARKER_HOURGLASS,
	GO_MARKER_LEFT_HALF_BAR,
	GO_MARKER_MAX
} GOMarkerShape;

GO_MARKER_NONE

no mark.

GO_MARKER_SQUARE

square.

GO_MARKER_DIAMOND

diamond.

GO_MARKER_TRIANGLE_DOWN

triangle down.

GO_MARKER_TRIANGLE_UP

triangle up.

GO_MARKER_TRIANGLE_RIGHT

triangle right.

GO_MARKER_TRIANGLE_LEFT

triangle left.

GO_MARKER_CIRCLE

circle.

GO_MARKER_X

X.

GO_MARKER_CROSS

cross.

GO_MARKER_ASTERISK

asterisk.

GO_MARKER_BAR

horizontal bar.

GO_MARKER_HALF_BAR

right half bar.

GO_MARKER_BUTTERFLY

butterfly.

GO_MARKER_HOURGLASS

hourglass.

GO_MARKER_LEFT_HALF_BAR

left half bar.

GO_MARKER_MAX

maximum value, should not occur.

go_marker_assign ()

void                go_marker_assign                    (GOMarker *dst,
                                                         GOMarker const *src);


go_marker_create_cairo_surface ()

cairo_surface_t *   go_marker_create_cairo_surface      (GOMarker const *marker,
                                                         cairo_t *cr,
                                                         double scale,
                                                         double *width,
                                                         double *height);

Creates a new cairo surface similar to the current target of cr, and render marker on it. center will contain the coordinate of the center of the surface.

marker :

a GOMarker

cr :

a cairo context

scale :

current context scale

width :

a placeholder for the surface width

height :

a placeholder for the surface height

Returns :

a newly created cairo_surface_t. This surface should be destroyed using cairo_surface_destroy after use.

go_marker_dup ()

GOMarker *          go_marker_dup                       (GOMarker const *src);

Duplicates src.

src :

the GOMarker to duplicate

Returns :

the duplicated marker. [transfer full]

go_marker_get_fill_color ()

GOColor             go_marker_get_fill_color            (GOMarker const *m);


go_marker_get_outline_color ()

GOColor             go_marker_get_outline_color         (GOMarker const *m);


go_marker_get_outline_width ()

double              go_marker_get_outline_width         (GOMarker const *m);


go_marker_get_shape ()

GOMarkerShape       go_marker_get_shape                 (GOMarker const *m);


go_marker_get_size ()

int                 go_marker_get_size                  (GOMarker const *m);


go_marker_new ()

GOMarker *          go_marker_new                       (void);


go_marker_render ()

void                go_marker_render                    (GOMarker const *marker,
                                                         cairo_t *cr,
                                                         double x,
                                                         double y,
                                                         double scale);

Renders marker onto the cairo target, using x and y for the position.

marker :

a GOMarker

cr :

a cairo context

x :

x position

y :

y position

scale :

current scale

go_marker_set_fill_color ()

void                go_marker_set_fill_color            (GOMarker *m,
                                                         GOColor color);


go_marker_set_outline_color ()

void                go_marker_set_outline_color         (GOMarker *m,
                                                         GOColor color);


go_marker_set_shape ()

void                go_marker_set_shape                 (GOMarker *m,
                                                         GOMarkerShape shape);


go_marker_set_size ()

void                go_marker_set_size                  (GOMarker *m,
                                                         int size);


go_marker_shape_as_str ()

char const      *   go_marker_shape_as_str              (GOMarkerShape shape);


go_marker_shape_from_str ()

GOMarkerShape       go_marker_shape_from_str            (char const *name);