First commit

examples/00-knownMac.go

@@ -0,0 +1,28 @@
+package main
+
+import "git.massivebox.net/massivebox/go-catprinter"
+
+func main() {
+
+	const mac = "41:c2:6f:0f:90:c7"
+
+	c, err := catprinter.NewClient()
+	if err != nil {
+		panic(err)
+	}
+
+	c.Debug.Log = true
+
+	opts := catprinter.NewOptions()
+	defer c.Stop()
+
+	if err = c.Connect(mac); err != nil {
+		panic(err)
+	}
+
+	err = c.PrintFile("../demo.jpg", opts)
+	if err != nil {
+		panic(err)
+	}
+
+}

examples/01-unknownMac.go

@@ -0,0 +1,44 @@
+package main
+
+import (
+	"git.massivebox.net/massivebox/go-catprinter"
+	"log"
+)
+
+func main() {
+
+	const name = "x6h"
+
+	c, err := catprinter.NewClient()
+	if err != nil {
+		panic(err)
+	}
+
+	c.Debug.Log = true
+
+	opts := catprinter.NewOptions()
+	defer c.Stop()
+
+	// let's find the MAC from the device name
+	var mac string
+	devices, err := c.ScanDevices(name)
+	if err != nil {
+		panic(err)
+	}
+	for deviceMac, deviceName := range devices {
+		// you should ask the user to choose the device here, we will pretend they selected the first
+		log.Println("Connecting to", deviceName, "with MAC", deviceMac)
+		mac = deviceMac
+		break
+	}
+
+	if err = c.Connect(mac); err != nil {
+		panic(err)
+	}
+
+	err = c.PrintFile("../demo.jpg", opts)
+	if err != nil {
+		panic(err)
+	}
+
+}

examples/02-options.go

@@ -0,0 +1,46 @@
+package main
+
+import (
+	"git.massivebox.net/massivebox/go-catprinter"
+	"image/jpeg"
+	"os"
+)
+
+func main() {
+
+	const mac = "41:c2:6f:0f:90:c7"
+
+	c, err := catprinter.NewClient()
+	if err != nil {
+		panic(err)
+	}
+
+	c.Debug.Log = true
+	defer c.Stop()
+
+	if err = c.Connect(mac); err != nil {
+		panic(err)
+	}
+
+	// note that for this we need to open the image as image.Image manually!
+	file, _ := os.Open("../demo.jpg")
+	defer file.Close()
+	img, _ := jpeg.Decode(file)
+
+	// for now, we will use default options
+	opts := catprinter.NewOptions()
+	fmtImg := c.FormatImage(img, opts)
+
+	// now you should display your image to the user and ask for what they want to change
+	// in this example, we will pretend they want to disable dithering
+	opts = opts.SetDither(false)
+	fmtImg = c.FormatImage(img, opts)
+
+	// you can show the image again and make all the adjustments you see fit with opts.SetXYZ
+	// when the user decides to print, we can use
+	err = c.Print(fmtImg, opts, true) // NOTE THE TRUE HERE! It means the image is already formatted
+	if err != nil {
+		panic(err)
+	}
+
+}