|  |  |  | Goffice Reference Manual |  | 
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| Top | Description | Object Hierarchy | ||||
GOMarker; #define GO_TYPE_MARKER #define GO_MARKER (o) #define GO_IS_MARKER (o) enum GOMarkerShape; GOMarker * go_marker_new (void); GOMarker * go_marker_dup (GOMarker const *src); void go_marker_assign (GOMarker *dst,GOMarker const *src); GType go_marker_get_type (void); GOMarkerShape go_marker_shape_from_str (char const *name); char const * go_marker_shape_as_str (GOMarkerShape shape); GOMarkerShape go_marker_get_shape (GOMarker const *m); void go_marker_set_shape (GOMarker *m,GOMarkerShape shape); GOColor go_marker_get_outline_color (GOMarker const *m); void go_marker_set_outline_color (GOMarker *m,GOColor color); GOColor go_marker_get_fill_color (GOMarker const *m); void go_marker_set_fill_color (GOMarker *m,GOColor color); int go_marker_get_size (GOMarker const *m); void go_marker_set_size (GOMarker *m,int size); double go_marker_get_outline_width (GOMarker const *m); cairo_surface_t * go_marker_create_cairo_surface (GOMarker const *marker,cairo_t *cr,double scale,double *width,double *height); void go_marker_render (GOMarker const *marker,cairo_t *cr,double x,double y,double scale); GtkWidget * go_marker_selector_new (GOMarkerShape initial_shape,GOMarkerShape default_shape); void go_marker_selector_set_colors (GOSelector *selector,GOColor outline,GOColor fill); void go_marker_selector_set_shape (GOSelector *selector,GOMarkerShape shape);
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;
GOMarkerShape       go_marker_shape_from_str            (char const *name);
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char const      *   go_marker_shape_as_str              (GOMarkerShape shape);
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GOColor             go_marker_get_outline_color         (GOMarker const *m);
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void go_marker_set_outline_color (GOMarker *m,GOColor color);
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double              go_marker_get_outline_width         (GOMarker const *m);
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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.
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 | a GOMarker | 
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 | a cairo context | 
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 | current context scale | 
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 | a placeholder for the surface width | 
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 | a placeholder for the surface height | 
| Returns : | a newly created cairo_surface_t. This surface should be destroyed using cairo_surface_destroy after use. | 
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.
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 | a GOMarker | 
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 | a cairo context | 
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 | x position | 
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 | y position | 
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 | current scale | 
GtkWidget * go_marker_selector_new (GOMarkerShape initial_shape,GOMarkerShape default_shape);
Creates a new marker selector.
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 | marker shape intially selected | 
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 | automatic marker shape | 
| Returns : | a new GtkWidget. | 
void go_marker_selector_set_colors (GOSelector *selector,GOColor outline,GOColor fill);
Updates swatch colors of selector.
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 | a GOSelector | 
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 | outline color | 
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 | fill color | 
void go_marker_selector_set_shape (GOSelector *selector,GOMarkerShape shape);
Updates marker shape of selector.
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 | a GOSelector | 
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 | new marker shape |