Working cut, text, and image through bridge
This commit is contained in:
parent
10d218bfba
commit
78456105ac
4 changed files with 45 additions and 130 deletions
1
.gitignore
vendored
1
.gitignore
vendored
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@ -1,4 +1,5 @@
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*.so
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*.h
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*.swp
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*/__pycache__
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flask/static
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@ -2,21 +2,22 @@ package main
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import (
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"fmt"
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_ "image"
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_ "time"
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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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"os"
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"unsafe"
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"bytes"
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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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@ -47,17 +48,27 @@ func printer_init(path string, speed int) (*escpos.Printer) {
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return p
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}
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func printer_close(p *escpos.Printer) {
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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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if err = p.Close(); err != nil {
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log.Fatalf("failed to close printer: %v\n", err)
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}
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fmt.Print("printer closed\n");
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}
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//export cut
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func cut(path *C.char) {
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fmt.Print("Starting cut\n");
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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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printer_close(p)
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//time.Sleep(1000 * time.Millisecond)
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}
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//export print_text
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@ -67,57 +78,38 @@ func print_text(path *C.char, str *C.char) {
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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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printer_close(p)
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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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//export print_image
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func print_image(path *C.char, data *C.uchar, size C.int) {
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p := printer_init(C.GoString(path), 1)
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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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byteData := C.GoBytes(unsafe.Pointer(data), C.int(size))
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imgReader := bytes.NewReader(byteData)
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img, _, err := image.Decode(imgReader)
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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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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 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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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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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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@ -1,82 +0,0 @@
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/* Code generated by cmd/cgo; DO NOT EDIT. */
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/* package command-line-arguments */
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#line 1 "cgo-builtin-export-prolog"
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#include <stddef.h>
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#ifndef GO_CGO_EXPORT_PROLOGUE_H
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#define GO_CGO_EXPORT_PROLOGUE_H
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#ifndef GO_CGO_GOSTRING_TYPEDEF
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typedef struct { const char *p; ptrdiff_t n; } _GoString_;
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#endif
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#endif
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/* Start of preamble from import "C" comments. */
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/* End of preamble from import "C" comments. */
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/* Start of boilerplate cgo prologue. */
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#line 1 "cgo-gcc-export-header-prolog"
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#ifndef GO_CGO_PROLOGUE_H
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#define GO_CGO_PROLOGUE_H
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typedef signed char GoInt8;
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typedef unsigned char GoUint8;
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typedef short GoInt16;
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typedef unsigned short GoUint16;
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typedef int GoInt32;
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typedef unsigned int GoUint32;
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typedef long long GoInt64;
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typedef unsigned long long GoUint64;
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typedef GoInt64 GoInt;
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typedef GoUint64 GoUint;
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typedef size_t GoUintptr;
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typedef float GoFloat32;
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typedef double GoFloat64;
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#ifdef _MSC_VER
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#include <complex.h>
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typedef _Fcomplex GoComplex64;
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typedef _Dcomplex GoComplex128;
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#else
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typedef float _Complex GoComplex64;
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typedef double _Complex GoComplex128;
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#endif
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/*
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static assertion to make sure the file is being used on architecture
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at least with matching size of GoInt.
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*/
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typedef char _check_for_64_bit_pointer_matching_GoInt[sizeof(void*)==64/8 ? 1:-1];
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#ifndef GO_CGO_GOSTRING_TYPEDEF
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typedef _GoString_ GoString;
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#endif
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typedef void *GoMap;
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typedef void *GoChan;
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typedef struct { void *t; void *v; } GoInterface;
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typedef struct { void *data; GoInt len; GoInt cap; } GoSlice;
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#endif
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/* End of boilerplate cgo prologue. */
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#ifdef __cplusplus
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extern "C" {
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#endif
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extern void cut(char* path);
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extern void print_text(char* path, char* str);
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#ifdef __cplusplus
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}
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#endif
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14
test.py
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test.py
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import ctypes
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import time
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mylib = ctypes.CDLL('./library_bridge.so')
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epson = ctypes.CDLL('./library_bridge.so')
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mylib.print_text("/dev/usb/lp0".encode('utf-8'), "test\n".encode('utf-8'))
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mylib.print_text("/dev/usb/lp0".encode('utf-8'), "test\n".encode('utf-8'))
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mylib.print_text("/dev/usb/lp0".encode('utf-8'), "test\n".encode('utf-8'))
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#epson.cut(b"/dev/usb/lp0")
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#epson.cut(b"/dev/usb/lp0")
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#epson.print_text(b"/dev/usb/lp0", b"test\n")
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data = open("/tmp/image.png", "rb").read()
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#Bytes = (ctypes.c_ubyte * len(data))(*data)
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mylib.cut("/dev/usb/lp0".encode('utf-8'))
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epson.print_image(b"/dev/usb/lp0", data, len(data))
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#epson.cut(b"/dev/usb/lp0")
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