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package main
import (
"github.com/labstack/echo/v4"
"log"
"strconv"
)
func main() {
e := echo.New()
e.GET("/map", func(c echo.Context) error {
lat, err := strconv.ParseFloat(c.QueryParam("lat"), 64)
if err != nil {
return err
}
lon, err := strconv.ParseFloat(c.QueryParam("lon"), 64)
if err != nil {
return err
}
w, err := strconv.Atoi(c.QueryParam("w"))
if err != nil {
w = 800
}
h, err := strconv.Atoi(c.QueryParam("h"))
if err != nil {
h = 800
}
zoom, err := strconv.Atoi(c.QueryParam("zoom"))
if err != nil {
zoom = 16
}
if zoom < 1 {
zoom = 1
}
if zoom > 20 {
zoom = 20
}
img, err := GetMapImage(lat, lon, zoom, w, h)
if err != nil {
return err
}
return c.Blob(200, "image/png", img)
})
log.Fatal(e.Start(":8000"))
}
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