Method

ShumateViewportlocation_to_widget_coords

Declaration [src]

void
shumate_viewport_location_to_widget_coords (
  ShumateViewport* self,
  GtkWidget* widget,
  double latitude,
  double longitude,
  double* x,
  double* y
)

Description [src]

Gets the position on widget that correspond to the given latitude and longitude.

Parameters

widget

Type: GtkWidget

A GtkWidget that uses self as viewport.

The data is owned by the caller of the function.

latitude

Type: double

The latitude.

longitude

Type: double

The longitude.

x

Type: double*

Return value for the x coordinate.

The argument will be set by the function.

y

Type: double*

Return value for the y coordinate.

The argument will be set by the function.