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webview (wv) format for better scaling in filemaker

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This commit is contained in:
Michael Stapelberg
2020-06-25 18:26:51 +02:00
parent f4baa26f1c
commit 22b000594c
1 changed files with 29 additions and 1 deletions
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30
cmd/qrbill-api/api.go
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@@ -92,7 +92,8 @@ func logic() error {
if format != "png" && if format != "png" &&
format != "svg" && format != "svg" &&
format != "txt" && format != "txt" &&
format != "html" { format != "html" &&
format != "wv" {
msg := fmt.Sprintf("format (%q) must be one of png, svg, txt or html", format) msg := fmt.Sprintf("format (%q) must be one of png, svg, txt or html", format)
log.Printf("%s %s", prefix, msg) log.Printf("%s %s", prefix, msg)
http.Error(w, msg, http.StatusBadRequest) http.Error(w, msg, http.StatusBadRequest)
@@ -144,6 +145,33 @@ func logic() error {
case "html": case "html":
debugHTML(w, r, prefix, qrch) debugHTML(w, r, prefix, qrch)
case "wv":
w.Header().Add("Content-Type", "text/html; charset=utf-8")
r.URL.Path = "/qr"
v := r.URL.Query()
v.Set("format", "png")
r.URL.RawQuery = v.Encode()
fmt.Fprintf(w, `<!DOCTYPE html>
<html>
<head>
<style type="text/css">
img {
width: 100vw;
height: 100vh;
}
body {
margin: 0; padding: 0;
}
</style>
</head>
<body>
<img src="%s">
</body>
</html>`, r.URL.String())
} }
// https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Cache-Control // https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Cache-Control