From 53fa87a5d31136e6173fef6b832d5d1aeddd313a Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?M=C3=A1ximo=20Cuadros?= <mcuadros@gmail.com>
Date: Mon, 24 Oct 2016 02:17:15 +0200
Subject: [PATCH] examples

---
 examples/basic/main.go      | 45 ++++++++++++++++++++++++++++++++++
 examples/image/main.go      | 48 +++++++++++++++++++++++++++++++++++++
 examples/rpc/client/main.go | 42 ++++++++++++++++++++++++++++++++
 examples/rpc/server/main.go | 32 +++++++++++++++++++++++++
 4 files changed, 167 insertions(+)
 create mode 100644 examples/basic/main.go
 create mode 100644 examples/image/main.go
 create mode 100644 examples/rpc/client/main.go
 create mode 100644 examples/rpc/server/main.go

diff --git a/examples/basic/main.go b/examples/basic/main.go
new file mode 100644
index 0000000..5fdf81a
--- /dev/null
+++ b/examples/basic/main.go
@@ -0,0 +1,45 @@
+package main
+
+import (
+	"flag"
+	"image/color"
+
+	"github.com/mcuadros/go-rpi-rgb-led-matrix"
+)
+
+var (
+	rows       = flag.Int("led-rows", 32, "number of rows supported")
+	chain      = flag.Int("led-chain", 2, "number of displays daisy-chained")
+	brightness = flag.Int("brightness", 100, "brightness (0-100)")
+)
+
+func main() {
+	config := &rgbmatrix.DefaultConfig
+	config.Rows = *rows
+	config.ChainLength = *chain
+	config.Brightness = *brightness
+
+	m, err := rgbmatrix.NewRGBLedMatrix(config)
+	fatal(err)
+
+	c := rgbmatrix.NewCanvas(m)
+	defer c.Close()
+
+	bounds := c.Bounds()
+	for x := bounds.Min.X; x < bounds.Max.X; x++ {
+		for y := bounds.Min.Y; y < bounds.Max.Y; y++ {
+			c.Set(x, y, color.RGBA{255, 0, 0, 255})
+			c.Render()
+		}
+	}
+}
+
+func init() {
+	flag.Parse()
+}
+
+func fatal(err error) {
+	if err != nil {
+		panic(err)
+	}
+}
diff --git a/examples/image/main.go b/examples/image/main.go
new file mode 100644
index 0000000..fefba69
--- /dev/null
+++ b/examples/image/main.go
@@ -0,0 +1,48 @@
+package main
+
+import (
+	"flag"
+	"os"
+	"time"
+
+	"github.com/mcuadros/go-rpi-rgb-led-matrix"
+)
+
+var (
+	rows       = flag.Int("led-rows", 32, "number of rows supported")
+	chain      = flag.Int("led-chain", 2, "number of displays daisy-chained")
+	brightness = flag.Int("brightness", 100, "brightness (0-100)")
+	image      = flag.String("image", "", "image path")
+)
+
+func main() {
+	f, err := os.Open(*image)
+	fatal(err)
+
+	config := &rgbmatrix.DefaultConfig
+	config.Rows = *rows
+	config.ChainLength = *chain
+	config.Brightness = *brightness
+
+	m, err := rgbmatrix.NewRGBLedMatrix(config)
+	fatal(err)
+
+	tk := rgbmatrix.NewToolKit(m)
+	defer tk.Close()
+
+	close, err := tk.PlayGIF(f)
+	fatal(err)
+
+	time.Sleep(time.Second * 30)
+	close <- true
+}
+
+func init() {
+	flag.Parse()
+}
+
+func fatal(err error) {
+	if err != nil {
+		panic(err)
+	}
+}
diff --git a/examples/rpc/client/main.go b/examples/rpc/client/main.go
new file mode 100644
index 0000000..0bee0f5
--- /dev/null
+++ b/examples/rpc/client/main.go
@@ -0,0 +1,42 @@
+package main
+
+import (
+	"flag"
+	"os"
+	"time"
+
+	"github.com/mcuadros/go-rpi-rgb-led-matrix"
+	"github.com/mcuadros/go-rpi-rgb-led-matrix/rpc"
+)
+
+var (
+	img = flag.String("image", "", "image path")
+)
+
+func main() {
+	f, err := os.Open(*img)
+	fatal(err)
+
+	m, err := rpc.NewClient("tcp", "10.20.20.20:1234")
+	fatal(err)
+
+	c := rgbmatrix.NewCanvas(m)
+	defer c.Close()
+
+	tk := &rgbmatrix.ToolKit{c}
+	close, err := tk.PlayGIF(f)
+	fatal(err)
+
+	time.Sleep(time.Second * 3)
+	close <- true
+}
+
+func init() {
+	flag.Parse()
+}
+
+func fatal(err error) {
+	if err != nil {
+		panic(err)
+	}
+}
diff --git a/examples/rpc/server/main.go b/examples/rpc/server/main.go
new file mode 100644
index 0000000..b7a4eb1
--- /dev/null
+++ b/examples/rpc/server/main.go
@@ -0,0 +1,32 @@
+package main
+
+import (
+	"flag"
+
+	"github.com/mcuadros/go-rpi-rgb-led-matrix"
+	"github.com/mcuadros/go-rpi-rgb-led-matrix/rpc"
+)
+
+var (
+	rows       = flag.Int("led-rows", 32, "number of rows supported")
+	chain      = flag.Int("led-chain", 2, "number of displays daisy-chained")
+	brightness = flag.Int("brightness", 100, "brightness (0-100)")
+)
+
+func main() {
+	config := &rgbmatrix.DefaultConfig
+	config.Rows = *rows
+	config.ChainLength = *chain
+	config.Brightness = *brightness
+
+	m, err := rgbmatrix.NewRGBLedMatrix(config)
+	fatal(err)
+
+	rpc.Serve(m)
+}
+
+func fatal(err error) {
+	if err != nil {
+		panic(err)
+	}
+}