51 lines
956 B
Go
51 lines
956 B
Go
/*
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Copyright © 2020 Alexander Kiryukhin <a.kiryukhin@mail.ru>
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This file is part of StaticMap project.
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*/
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package main
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import (
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"github.com/labstack/echo/v4"
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"github.com/neonxp/StaticMap/pkg/static"
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"log"
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"strconv"
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)
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func main() {
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e := echo.New()
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e.GET("/map", func(c echo.Context) error {
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lat, err := strconv.ParseFloat(c.QueryParam("lat"), 64)
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if err != nil {
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return err
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}
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lon, err := strconv.ParseFloat(c.QueryParam("lon"), 64)
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if err != nil {
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return err
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}
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w, err := strconv.Atoi(c.QueryParam("w"))
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if err != nil {
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w = 800
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}
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h, err := strconv.Atoi(c.QueryParam("h"))
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if err != nil {
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h = 800
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}
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zoom, err := strconv.Atoi(c.QueryParam("zoom"))
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if err != nil {
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zoom = 16
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}
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if zoom < 1 {
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zoom = 1
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}
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if zoom > 20 {
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zoom = 20
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}
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img, err := static.GetMapImage(lat, lon, zoom, w, h)
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if err != nil {
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return err
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}
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return c.Blob(200, "image/png", img)
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})
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log.Fatal(e.Start(":8000"))
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}
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