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label-tool: make it possible to print free form text

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Also commit the label subpackage that we forgot to.
This commit is contained in:
Přemysl Eric Janouch
2019-04-25 21:30:15 +02:00
parent 154f3147e3
commit 2f47b3f5da
2 changed files with 123 additions and 14 deletions
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50
cmd/label-tool/main.go
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@@ -38,7 +38,7 @@ var tmplForm = template.Must(template.New("form").Parse(`
<img border=1 src='?font={{ .FontIndex }}&amp;scale={{ .Scale }}{{/*
*/}}&amp;text={{ .Text }}&amp;render'>
</td>
<td valign=top>
<td valign=top><form>
<fieldset>
{{ if .Printer }}
@@ -71,18 +71,26 @@ var tmplForm = template.Must(template.New("form").Parse(`
{{ end }}
</fieldset>
<fieldset>
<p>Font: {{ .Font.Name }} <a href='?'>Change</a>
</fieldset>
<form><fieldset>
<input type=hidden name=font value='{{ .FontIndex }}'>
<p><label for=text>Text:</label>
<input id=text name=text value='{{.Text}}'>
<label for=scale>Scale:</label>
<legend>Font</legend>
<p>{{ .Font.Name }} <a href='?'>Change</a>
<input type=hidden name=font value='{{ .FontIndex }}'>
<p><label for=scale>Scale:</label>
<input id=scale name=scale value='{{.Scale}}' size=1>
</fieldset>
<fieldset>
<legend>Label</legend>
<p><textarea name=text>{{.Text}}</textarea>
<p>Kind:
<input type=radio id=kind-text name=kind value=text
{{ if eq .Kind "text" }} checked{{ end }}>
<label for=kind-text>plain text (horizontal)</label>
<input type=radio id=kind-qr name=kind value=qr
{{ if eq .Kind "qr" }} checked{{ end }}>
<label for=kind-qr>QR code (vertical)</label>
<p><input type=submit value='Update'>
<input type=submit name=print value='Update and Print'>
</fieldset></form>
</td>
</fieldset>
</form></td>
</tr></table>
</body></html>
`))
@@ -130,7 +138,9 @@ func handle(w http.ResponseWriter, r *http.Request) {
font = fonts[fontIndex]
} else {
w.Header().Set("Content-Type", "text/html")
tmplFont.Execute(w, fonts)
if err := tmplFont.Execute(w, fonts); err != nil {
http.Error(w, err.Error(), 500)
}
return
}
@@ -170,6 +180,7 @@ func handle(w http.ResponseWriter, r *http.Request) {
FontIndex int
Text string
Scale int
Kind string
}{
Printer: printer,
PrinterErr: printerErr,
@@ -178,17 +189,26 @@ func handle(w http.ResponseWriter, r *http.Request) {
Font: font.Font,
FontIndex: fontIndex,
Text: r.FormValue("text"),
Kind: r.FormValue("kind"),
}
params.Scale, err = strconv.Atoi(r.FormValue("scale"))
if err != nil {
params.Scale = 3
}
if params.Kind == "" {
params.Kind = "text"
}
var img image.Image
if mediaInfo != nil {
img = &imgutil.LeftRotate{Image: label.GenLabelForHeight(
font.Font, params.Text, mediaInfo.PrintAreaPins, params.Scale)}
if params.Kind == "qr" {
img = &imgutil.LeftRotate{Image: label.GenLabelForHeight(
font.Font, params.Text, mediaInfo.PrintAreaPins, params.Scale)}
} else {
img = label.GenLabelForWidth(
font.Font, params.Text, mediaInfo.PrintAreaPins, params.Scale)
}
if r.FormValue("print") != "" {
if err := printer.Print(img); err != nil {
log.Println("print error:", err)
@@ -198,7 +218,9 @@ func handle(w http.ResponseWriter, r *http.Request) {
if _, ok := r.Form["render"]; !ok {
w.Header().Set("Content-Type", "text/html")
tmplForm.Execute(w, &params)
if err := tmplForm.Execute(w, &params); err != nil {
http.Error(w, err.Error(), 500)
}
return
}