// Print sends a new print job to the specified printer. The job ID
// is returned.
func (c *CUPS) Print(printername, filename, title, user string, ticket cdd.CloudJobTicket) (uint32, error) {
pn := C.CString(printername)
defer C.free(unsafe.Pointer(pn))
fn := C.CString(filename)
defer C.free(unsafe.Pointer(fn))
t := C.CString(title)
defer C.free(unsafe.Pointer(t))
options := ticketToOptions(ticket)
numOptions := C.int(0)
var o *C.cups_option_t = nil
for key, value := range options {
k, v := C.CString(key), C.CString(value)
numOptions = C.cupsAddOption(k, v, numOptions, &o)
C.free(unsafe.Pointer(k))
C.free(unsafe.Pointer(v))
}
defer C.cupsFreeOptions(numOptions, o)
u := C.CString(user)
defer C.free(unsafe.Pointer(u))
jobID, err := c.cc.printFile(u, pn, fn, t, numOptions, o)
if err != nil {
return 0, err
}
return uint32(jobID), nil
}
func main() {
flag.Parse()
timer := time.NewTicker(2 * time.Second)
timer_two := time.NewTicker(5 * time.Second)
fmt.Println(C.GoString(C.cupsUser()))
fmt.Println(C.GoString(C.cupsGetDefault()))
var options *C.cups_option_t
num_options := C.int(0)
num_options = C.cupsAddOption(C.CString("PageSize"), C.CString("Postcard"), C.int(num_options), &options)
num_options = C.cupsAddOption(C.CString("MediaSize"), C.CString("A4"), C.int(num_options), &options)
num_options = C.cupsAddOption(C.CString("MediaSize1"), C.CString("A5"), C.int(num_options), &options)
dest := C.CString("Test")
file := C.CString("/Users/ZhouYT/Downloads/follow.png")
title := C.CString("Test Print")
job_id, err := C.cupsPrintFile(dest, file, title, num_options, options)
if err != nil {
fmt.Println(err)
}
fmt.Println(job_id)
defer C.cupsFreeOptions(num_options, options)
fmt.Println(C.GoString(options.name))
for {
select {
case <-timer.C:
go func() {
fmt.Println("test2")
glog.Info("test")
}()
case <-timer_two.C:
go func() {
fmt.Println("test5")
glog.Info("test5")
}()
}
}
defer glog.Flush()
}
// Print sends a new print job to the specified printer. The job ID
// is returned.
func (c *CUPS) Print(printer *lib.Printer, filename, title, user, gcpJobID string, ticket *cdd.CloudJobTicket) (uint32, error) {
printer.CUPSJobSemaphore.Acquire()
defer printer.CUPSJobSemaphore.Release()
pn := C.CString(printer.Name)
defer C.free(unsafe.Pointer(pn))
fn := C.CString(filename)
defer C.free(unsafe.Pointer(fn))
var t *C.char
if c.prefixJobIDToJobTitle {
title = fmt.Sprintf("gcp:%s %s", gcpJobID, title)
}
if len(title) > 255 {
t = C.CString(title[:255])
} else {
t = C.CString(title)
}
defer C.free(unsafe.Pointer(t))
options, err := translateTicket(printer, ticket)
if err != nil {
return 0, err
}
numOptions := C.int(0)
var o *C.cups_option_t = nil
for key, value := range options {
k, v := C.CString(key), C.CString(value)
numOptions = C.cupsAddOption(k, v, numOptions, &o)
C.free(unsafe.Pointer(k))
C.free(unsafe.Pointer(v))
}
defer C.cupsFreeOptions(numOptions, o)
u := C.CString(user)
defer C.free(unsafe.Pointer(u))
cupsJobID, err := c.cc.printFile(u, pn, fn, t, numOptions, o)
if err != nil {
return 0, err
}
return uint32(cupsJobID), nil
}