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| author | Přemysl Janouch <p@janouch.name> | 2019-04-14 22:30:40 +0200 |
|---|---|---|
| committer | Přemysl Janouch <p@janouch.name> | 2019-04-14 22:30:40 +0200 |
| commit | 1331f3b5642f521236fcb1ec21ee43d5b76c0b91 (patch) | |
| tree | 1213c2f2014cf0eff5a4a881b02cbebf91a604b8 /label-tool/main.go | |
| parent | 7d9410c6b3a724e3670941f7ec2d00e7966d0b1a (diff) | |
| download | sklad-1331f3b5642f521236fcb1ec21ee43d5b76c0b91.tar.gz sklad-1331f3b5642f521236fcb1ec21ee43d5b76c0b91.tar.xz sklad-1331f3b5642f521236fcb1ec21ee43d5b76c0b91.zip | |
Move commands under cmd/
Diffstat (limited to 'label-tool/main.go')
| -rw-r--r-- | label-tool/main.go | 199 |
1 files changed, 0 insertions, 199 deletions
diff --git a/label-tool/main.go b/label-tool/main.go deleted file mode 100644 index 39a840c..0000000 --- a/label-tool/main.go +++ /dev/null @@ -1,199 +0,0 @@ -package main - -import ( - "errors" - "html/template" - "image" - "image/png" - "log" - "net/http" - "os" - "strconv" - - "janouch.name/sklad/bdf" - "janouch.name/sklad/imgutil" - "janouch.name/sklad/label" - "janouch.name/sklad/ql" -) - -var font *bdf.Font - -var tmpl = template.Must(template.New("form").Parse(` -<!DOCTYPE html> -<html><body> -<h1>PT-CBP label printing tool</h1> -<table><tr> -<td valign=top> - <img border=1 src='?img&scale={{.Scale}}&text={{.Text}}'> -</td> -<td valign=top> - <fieldset> - {{ if .Printer }} - - <p>Printer: {{ .Printer.Manufacturer }} {{ .Printer.Model }} - <p>Tape: - {{ if .Printer.LastStatus }} - {{ .Printer.LastStatus.MediaWidthMM }} mm × - {{ .Printer.LastStatus.MediaLengthMM }} mm - - {{ if .MediaInfo }} - (offset: {{ .MediaInfo.SideMarginPins }} pt, - print area: {{ .MediaInfo.PrintAreaPins }} pt) - {{ else }} - (unknown media) - {{ end }} - - {{ if .Printer.LastStatus.Errors }} - {{ range .Printer.LastStatus.Errors }} - <p>Error: {{ . }} - {{ end }} - {{ end }} - - {{ end }} - {{ if .InitErr }} - {{ .InitErr }} - {{ end }} - - {{ else }} - <p>Error: {{ .PrinterErr }} - {{ end }} - </fieldset> - <fieldset> - <p>Font: {{ .Font.Name }} - </fieldset> - <form><fieldset> - <p><label for=text>Text:</label> - <input id=text name=text value='{{.Text}}'> - <label for=scale>Scale:</label> - <input id=scale name=scale value='{{.Scale}}' size=1> - <p><input type=submit value='Update'> - <input type=submit name=print value='Update and Print'> - </fieldset></form> -</td> -</tr></table> -</body></html> -`)) - -func getPrinter() (*ql.Printer, error) { - printer, err := ql.Open() - if err != nil { - return nil, err - } - if printer == nil { - return nil, errors.New("no suitable printer found") - } - return printer, nil -} - -func getStatus(printer *ql.Printer) error { - if err := printer.Initialize(); err != nil { - return err - } - if err := printer.UpdateStatus(); err != nil { - return err - } - return nil -} - -func handle(w http.ResponseWriter, r *http.Request) { - if err := r.ParseForm(); err != nil { - http.Error(w, err.Error(), 500) - return - } - - var ( - initErr error - mediaInfo *ql.MediaInfo - ) - printer, printerErr := getPrinter() - if printerErr == nil { - defer printer.Close() - printer.StatusNotify = func(status *ql.Status) { - log.Printf("\x1b[1mreceived status\x1b[m\n%s", status) - } - - if initErr = getStatus(printer); initErr == nil { - mediaInfo = ql.GetMediaInfo( - printer.LastStatus.MediaWidthMM(), - printer.LastStatus.MediaLengthMM(), - ) - } - } - - var params = struct { - Printer *ql.Printer - PrinterErr error - InitErr error - MediaInfo *ql.MediaInfo - Font *bdf.Font - Text string - Scale int - }{ - Printer: printer, - PrinterErr: printerErr, - InitErr: initErr, - MediaInfo: mediaInfo, - Font: font, - Text: r.FormValue("text"), - } - - var err error - params.Scale, err = strconv.Atoi(r.FormValue("scale")) - if err != nil { - params.Scale = 3 - } - - var img image.Image - if mediaInfo != nil { - img = &imgutil.LeftRotate{Image: label.GenLabelForHeight( - font, params.Text, mediaInfo.PrintAreaPins, params.Scale)} - if r.FormValue("print") != "" { - if err := printer.Print(img); err != nil { - log.Println("print error:", err) - } - } - } - - if _, ok := r.Form["img"]; !ok { - w.Header().Set("Content-Type", "text/html") - tmpl.Execute(w, ¶ms) - return - } - - if mediaInfo == nil { - http.Error(w, "unknown media", 500) - return - } - - w.Header().Set("Content-Type", "image/png") - if err := png.Encode(w, img); err != nil { - http.Error(w, err.Error(), 500) - return - } -} - -func main() { - if len(os.Args) != 3 { - log.Fatalf("usage: %s ADDRESS BDF-FILE\n", os.Args[0]) - } - - address, bdfPath := os.Args[1], os.Args[2] - - var err error - fi, err := os.Open(bdfPath) - if err != nil { - log.Fatalln(err) - } - - font, err = bdf.NewFromBDF(fi) - if err := fi.Close(); err != nil { - log.Fatalln(err) - } - if err != nil { - log.Fatalln(err) - } - - log.Println("starting server") - http.HandleFunc("/", handle) - log.Fatalln(http.ListenAndServe(address, nil)) -} |