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// Copyright 2016 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 main
import (
"fmt"
"log"
"os"
"sort"
"github.com/flopp/go-coordsparser"
"github.com/flopp/go-staticmaps"
"github.com/fogleman/gg"
"github.com/golang/geo/s2"
"github.com/jessevdk/go-flags"
)
func getTileProviderOrExit(name string) *sm.TileProvider {
tileProviders := sm.GetTileProviders()
tp := tileProviders[name]
if tp != nil {
return tp
}
if name != "list" {
fmt.Println("Bad map type:", name)
}
fmt.Println("Possible map types (to be used with --type/-t):")
// print sorted keys
keys := make([]string, 0, len(tileProviders))
for k := range tileProviders {
keys = append(keys, k)
}
sort.Strings(keys)
for _, k := range keys {
fmt.Println(k)
}
os.Exit(0)
return nil
}
func main() {
var opts struct {
// ClearCache bool `long:"clear-cache" description:"Clears the tile cache"`
Width int `long:"width" description:"Width of the generated static map image" value-name:"PIXELS" default:"512"`
Height int `long:"height" description:"Height of the generated static map image" value-name:"PIXELS" default:"512"`
Output string `short:"o" long:"output" description:"Output file name" value-name:"FILENAME" default:"map.png"`
Type string `short:"t" long:"type" description:"Select the map type; list possible map types with '--type list'" value-name:"MAPTYPE"`
Center string `short:"c" long:"center" description:"Center coordinates (lat,lng) of the static map" value-name:"LATLNG"`
Zoom int `short:"z" long:"zoom" description:"Zoom factor" value-name:"ZOOMLEVEL"`
Markers []string `short:"m" long:"marker" description:"Add a marker to the static map" value-name:"MARKER"`
Paths []string `short:"p" long:"path" description:"Add a path to the static map" value-name:"PATH"`
Areas []string `short:"a" long:"area" description:"Add an area to the static map" value-name:"AREA"`
}
parser := flags.NewParser(&opts, flags.HelpFlag|flags.PassDoubleDash)
parser.LongDescription = `Creates a static map`
_, err := parser.Parse()
if parser.FindOptionByLongName("help").IsSet() {
parser.WriteHelp(os.Stdout)
os.Exit(0)
}
ctx := sm.NewContext()
if parser.FindOptionByLongName("type").IsSet() {
tp := getTileProviderOrExit(opts.Type)
if tp != nil {
ctx.SetTileProvider(tp)
}
}
ctx.SetSize(opts.Width, opts.Height)
if parser.FindOptionByLongName("zoom").IsSet() {
ctx.SetZoom(opts.Zoom)
}
if parser.FindOptionByLongName("center").IsSet() {
lat, lng, err := coordsparser.Parse(opts.Center)
if err != nil {
log.Fatal(err)
} else {
ctx.SetCenter(s2.LatLngFromDegrees(lat, lng))
}
}
for _, markerString := range opts.Markers {
markers, err := sm.ParseMarkerString(markerString)
if err != nil {
log.Fatal(err)
} else {
for _, marker := range markers {
ctx.AddMarker(marker)
}
}
}
for _, pathString := range opts.Paths {
paths, err := sm.ParsePathString(pathString)
if err != nil {
log.Fatal(err)
} else {
for _, path := range paths {
ctx.AddPath(path)
}
}
}
for _, areaString := range opts.Areas {
area, err := sm.ParseAreaString(areaString)
if err != nil {
log.Fatal(err)
} else {
ctx.AddArea(area)
}
}
img, err := ctx.Render()
if err != nil {
log.Fatal(err)
return
}
if err = gg.SavePNG(opts.Output, img); err != nil {
log.Fatal(err)
return
}
}
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