mirror of
https://github.com/Luzifer/staticmap.git
synced 2024-12-21 05:11:18 +00:00
25 lines
703 B
Go
25 lines
703 B
Go
// Copyright 2016, 2017 Florian Pigorsch. All rights reserved.
|
|
//
|
|
// Use of this source code is governed by a MIT-style
|
|
// license that can be found in the LICENSE file.
|
|
|
|
package sm
|
|
|
|
import (
|
|
"github.com/fogleman/gg"
|
|
"github.com/golang/geo/s2"
|
|
)
|
|
|
|
// MapObject is the interface for all objects on the map
|
|
type MapObject interface {
|
|
bounds() s2.Rect
|
|
extraMarginPixels() float64
|
|
draw(dc *gg.Context, trans *transformer)
|
|
}
|
|
|
|
// CanDisplay checks if pos is generally displayable (i.e. its latitude is in [-85,85])
|
|
func CanDisplay(pos s2.LatLng) bool {
|
|
const minLatitude float64 = -85.0
|
|
const maxLatitude float64 = 85.0
|
|
return (minLatitude <= pos.Lat.Degrees()) && (pos.Lat.Degrees() <= maxLatitude)
|
|
}
|