From 4534ac8e9204f3c0e69552d4040905e2e419805b Mon Sep 17 00:00:00 2001
From: Edwin Eefting <edwin@datux.nl>
Date: Sat, 28 Dec 2024 18:47:42 +0100
Subject: [PATCH] pixelflut

---
 ledder/Color.ts            |  11 ++++
 ledder/DisplayPixelflut.ts | 132 +++++++++++++++++++++++++++++++++++++
 2 files changed, 143 insertions(+)
 create mode 100644 ledder/DisplayPixelflut.ts

diff --git a/ledder/Color.ts b/ledder/Color.ts
index 6747347..f8cad98 100644
--- a/ledder/Color.ts
+++ b/ledder/Color.ts
@@ -100,6 +100,17 @@ export default class Color implements ColorInterface {
     }
 
 
+    // toHexRGB()
+    // {
+    //     return `${this.r.toString(16).padStart(2, '0')}${this.g.toString(16).padStart(2, '0')}${this.b.toString(16).padStart(2, '0')}`;
+    // }
+    //
+    // toHexRGBA()
+    // {
+    //     const a_255=~~(this.a*255)
+    //     return `${this.r.toString(16).padStart(2, '0')}${this.g.toString(16).padStart(2, '0')}${this.b.toString(16).padStart(2, '0')}${a_255.toString(16).padStart(2, '0')}`;
+    // }
+
 
 
 }
diff --git a/ledder/DisplayPixelflut.ts b/ledder/DisplayPixelflut.ts
new file mode 100644
index 0000000..525224b
--- /dev/null
+++ b/ledder/DisplayPixelflut.ts
@@ -0,0 +1,132 @@
+import Display from "./Display.js"
+import ColorInterface from "./ColorInterface"
+import * as net from "node:net"
+
+const encoder = new TextEncoder()
+
+
+export default class DisplayPixelflut extends Display {
+    client: net.Socket
+    pixelSize: number
+    gridSize: number
+    frameBuff: Uint8Array
+
+    bytesSend: number
+
+
+    constructor(width, height, host, port) {
+        super(width, height)
+
+        this.gridSize = 15
+        this.pixelSize = 10
+        this.bytesSend = 0
+
+
+        //create static pixelbuffer
+        let buff = ""
+        for (let y = 0; y < height; y++) {
+            for (let x = 0; x < width; x++) {
+                const xScaled = ~~x * this.gridSize
+                const yScaled = ~~y * this.gridSize
+
+                for (let thisX = xScaled; thisX < xScaled + this.pixelSize; thisX++)
+                    for (let thisY = yScaled; thisY < yScaled + this.pixelSize; thisY++) {
+
+                        buff = buff + `PX ${thisX},${thisY} ffffff\n`
+                    }
+
+            }
+        }
+
+        this.frameBuff = new Uint8Array(buff.length)
+        this.frameBuff.set(encoder.encode(buff))
+
+        this.client = new net.Socket()
+        this.client.setNoDelay(true)
+
+        this.client.connect(port, host)
+
+
+        this.client.on('connect', () => {
+            this.client.write('OFFSET 1600,300\n')
+            this.fillSendbuffer()
+
+
+        })
+
+        this.client.on('drain', () => {
+
+            this.fillSendbuffer()
+
+        })
+
+        setInterval(() => {
+            if (this.bytesSend===0)
+                console.log('PixelFlut: idle')
+            else
+                console.log(`PixelFlut: ${~~(this.bytesSend/1000000)} MB/s `)
+            this.bytesSend = 0
+        }, 1000)
+
+        this.client.on('error', (e)=>{
+            console.error(`PixelFLut: ${e}`)
+        })
+    }
+
+    fillSendbuffer() {
+        this.bytesSend = this.bytesSend + this.frameBuff.length
+        while (this.client.write(this.frameBuff)) {
+            this.bytesSend = this.bytesSend + this.frameBuff.length
+
+        }
+
+    }
+
+    frame(displayTimeMicros: number) {
+
+        // console.log(this.client.write(this.frameBuff))
+
+    }
+
+    clearBuff() {
+
+        //fill with spaces
+        // this.frameOffset = 0
+        // this.frameBuff.fill(' '.charCodeAt(0))
+    }
+
+    // addBuff(stringOrNum) {
+    //     const result = encoder.encodeInto(
+    //         stringOrNum,
+    //         this.frameBuff.subarray(this.frameOffset),
+    //     )
+    //     this.frameOffset = this.frameOffset + result.written
+    //
+    //     if (this.frameOffset >= this.frameBuff.length) {
+    //         console.log("full")
+    //     }
+    // }
+
+    setPixel(x: number, y: number, color: ColorInterface) {
+        // const rgb = `${(~~color.r).toString(16).padStart(2, '0')}${(~~color.g).toString(16).padStart(2, '0')}${(~~color.b).toString(16).padStart(2, '0')}`
+        //
+        // const xScaled = ~~x * this.pixelSize
+        // const yScaled = ~~y * this.pixelSize
+        //
+        // for (let thisX = xScaled; thisX < xScaled + this.pixelSize; thisX++)
+        //     for (let thisY = yScaled; thisY < yScaled + this.pixelSize; thisY++) {
+        //
+        //         this.addBuff(PX)
+        //
+        //         this.addBuff(thisX.toString())
+        //         this.frameOffset = this.frameOffset + 1
+        //
+        //         this.addBuff(thisY.toString())
+        //         this.frameOffset = this.frameOffset + 1
+        //
+        //         this.addBuff(rgb)
+        //
+        //     }
+    }
+
+}
\ No newline at end of file