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Only label if form value says so
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This commit is contained in:
Steven Polley 2019-03-03 14:35:35 -07:00
parent d475ea5083
commit 8c1e447286
1 changed files with 4 additions and 1 deletions
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3
render.go
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@ -136,6 +136,7 @@ func linearInterpolation(c1, c2, mu uint32) uint32 {
}
func renderTile(w http.ResponseWriter, r *http.Request) {
r.ParseForm()
components := strings.Split(r.URL.Path, "/")[1:]
if len(components) != 4 || components[0] != "mandelbrot" || components[3][len(components[3])-4:] != ".png" {
@ -172,7 +173,9 @@ func renderTile(w http.ResponseWriter, r *http.Request) {
}
wg.Wait()
if r.FormValue("label") == "1" {
addLabel(img, 10, 10, fmt.Sprintf("%d/%d/%d", tileZoom, tileX, tileY))
}
w.Header().Set("Content-Type", "image/png")
png.Encode(w, img)
}