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Add Image printing from URL. Type 7, text field URL.
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This commit is contained in:
William Gill
2025-01-12 22:34:27 -06:00
parent eb1d69465f
commit abbe1eeb78
1 changed files with 31 additions and 6 deletions
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37
service/printer.go
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@@ -5,8 +5,13 @@ import (
fifo "github.com/foize/go.fifo"
"github.com/justinmichaelvieira/escpos"
"github.com/liamg/tml"
"image"
"net"
"net/http"
"uberbringer/config"
_ "image/jpeg"
_ "image/png"
)
func newPrintJob(input DataStruct, queue *fifo.Queue) {
@@ -47,10 +52,8 @@ func printJobCreate(input DataStruct, queue *fifo.Queue) {
p.Initialize()
p.DefaultLineSpacing()
for i, item := range input.Data {
var SeqNum = i + 1
tml.Printf("<darkgrey>[" + config.Project + "]: Job #" + input.JobID + " - creating command " + string(SeqNum) + "</darkgrey>\n")
if item.Type <= 0 || item.Type > 6 {
for _, item := range input.Data {
if item.Type <= 0 || item.Type > 7 {
tml.Printf("<red>[" + config.Project + "]: Job #" + input.JobID + " bad type</red>\n")
return
} else if item.Size <= 0 || item.Size > 16 {
@@ -89,9 +92,30 @@ func printJobCreate(input DataStruct, queue *fifo.Queue) {
}
p.WriteRaw([]byte(hex_decoded))
}
case 7:
// Print Image from URL
response, err := http.Get(item.Text)
if err != nil {
tml.Printf("<red>[" + config.Project + "]: Job #" + input.JobID + " image load failed</red>\n")
return
}
defer response.Body.Close()
tml.Printf("<green>[" + config.Project + "]: Job #" + input.JobID + " good type</green>\n")
if response.StatusCode != 200 {
tml.Printf("<red>[" + config.Project + "]: Job #" + input.JobID + " image load failed - received non 200 response code</red>\n")
return
}
img, _, err := image.Decode(response.Body)
if err != nil {
tml.Printf("<red>[" + config.Project + "]: Job #" + input.JobID + " image decode failed</red>\n")
return
}
p.PrintImage(img)
response.Body.Close()
}
}
}
@@ -106,4 +130,5 @@ func printJobCreate(input DataStruct, queue *fifo.Queue) {
tml.Printf("<green>[" + config.Project + "]: Done printing #" + input.JobID + "</green>\n")
socket.Close()
}