123 lines
2.7 KiB
Go
123 lines
2.7 KiB
Go
package main
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import (
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"fmt"
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_ "image"
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_ "image/gif"
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_ "image/jpeg"
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_ "image/png"
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"log"
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_ "os"
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_ "github.com/jbuchbinder/gopnm"
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_ "golang.org/x/image/webp"
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_ "github.com/lestrrat-go/dither"
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_ "github.com/nfnt/resize"
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"git.sr.ht/~guacamolie/faxmachine/escpos"
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"git.sr.ht/~guacamolie/faxmachine/escpos/protocol"
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)
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import "C"
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var err error
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func printer_init(path string, speed int) (*escpos.Printer) {
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p, err := escpos.StartUSBPrinter(path, protocol.TMT88IV, escpos.FlagNone)
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if err != nil {
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log.Fatalf("failed to start printer: %v", err)
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}
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if err := p.EnableASB(protocol.ASBReportAll); err != nil {
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p.Close()
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log.Fatalf("failed to enable ASB: %v", err)
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}
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go func() {
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for status := range p.ASBStatus() {
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log.Printf("received ASB status: %#v\n", status)
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}
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}()
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if err := p.SetPrintSpeed(speed); err != nil {
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log.Fatalf("failed to set print speed: %v\n", err)
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}
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return p
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}
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//export cut
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func cut(path *C.char) {
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p := printer_init(C.GoString(path), 1)
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if err = p.CutPaper(); err != nil {
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log.Fatalf("failed to cut paper: %v", err)
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}
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if err = p.Wait(); err != nil {
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log.Fatalf("failed to print: %v\n", err)
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}
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}
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//export print_text
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func print_text(path *C.char, str *C.char) {
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p := printer_init(C.GoString(path), 1)
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fmt.Fprint(p, C.GoString(str))
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fmt.Fprint(p, "\n")
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if err = p.Wait(); err != nil {
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log.Fatalf("failed to print: %v\n", err)
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}
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}
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func printimg(path *C.char) {
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p, err := escpos.StartUSBPrinter("/dev/usb/lp0", protocol.TMT88IV, escpos.FlagNone)
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if err != nil {
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log.Fatalf("failed to start printer: %v\n", err)
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}
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defer p.Close()
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if err := p.EnableASB(protocol.ASBReportAll); err != nil {
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log.Fatalf("failed to enable ASB: %v\n", err)
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}
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go func() {
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for status := range p.ASBStatus() {
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log.Printf("received ASB status: %#v\n", status)
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}
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}()
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//img, _, err := image.Decode(os.Stdin)
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//if err != nil {
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// log.Fatalf("failed to get decode image: %v\n", err)
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//}
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//img = resize.Resize(512, 0, img, resize.Lanczos3)
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//img = dither.Monochrome(dither.FloydSteinberg, img, 1.18)
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// if err := p.SetEncoding(escpos.CharPagePC427); err != nil {
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// log.Fatalf("failed to set encoding: %v\n", err)
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// }
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if err := p.SetPrintSpeed(1); err != nil {
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log.Fatalf("failed to set print speed: %v\n", err)
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}
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//if err := p.PrintImage(img); err != nil {
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// log.Fatalf("failed to print image: %v\n", err)
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//}
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//if len(os.Args) > 2 && os.Args[2] != "" {
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// fmt.Fprintf(p, "\n%s\n", os.Args[2])
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//}
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fmt.Fprint(p, "\n\n\n")
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if err := p.CutPaper(); err != nil {
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log.Fatalf("failed to cut paper: %v", err)
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}
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if err := p.Wait(); err != nil {
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log.Fatalf("failed to print: %v\n", err)
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}
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}
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func main() {}
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