Working tree changes 2024-07-31 01:00

niimblue/src/image_editor_utils.ts

@@ -54,6 +54,22 @@ export class ImageEditorUtils {
     }
   }
 
+  static addImageWithFilePicker(fabricCanvas: fabric.Canvas) {
+    const input: HTMLInputElement = document.createElement("input");
+
+    input.type = "file";
+
+    input.onchange = (e: Event) => {
+      let target = e.target as HTMLInputElement;
+      if (target.files !== null) {
+        let file: File = target.files[0];
+        this.addImageFile(fabricCanvas, file);
+      }
+    };
+
+    input.click();
+  }
+
   public static addText(canvas: fabric.Canvas, text?: string): void {
     const obj = new fabric.IText(text ?? "Text", {
       ...this.OBJECT_DEFAULTS,

niimblue/src/lib/ImageEditor.svelte

@@ -51,23 +51,24 @@
   const onUpdateLabelProps = () => {
     labelProps = labelProps; // trigger update
     fabricCanvas.setDimensions(labelProps.size);
+    localStorage.setItem("last_label_props", JSON.stringify(labelProps));
   };
 
   const onSaveClicked = () => {
     const data = fabricCanvas.toJSON();
-    localStorage.setItem("canvas_data", JSON.stringify(data));
-    localStorage.setItem("canvas_props", JSON.stringify(labelProps));
+    localStorage.setItem("saved_canvas_data", JSON.stringify(data));
+    localStorage.setItem("saved_canvas_props", JSON.stringify(labelProps));
   };
 
   const onLoadClicked = () => {
-    const props = localStorage.getItem("canvas_props");
+    const props = localStorage.getItem("saved_canvas_props");
     if (props) {
       const parsedProps = JSON.parse(props);
       labelProps = parsedProps;
       onUpdateLabelProps();
     }
 
-    const data = localStorage.getItem("canvas_data");
+    const data = localStorage.getItem("saved_canvas_data");
     fabricCanvas.loadFromJSON(
       data,
       () => {
@@ -89,6 +90,8 @@
       ImageEditorUtils.addCircle(fabricCanvas);
     } else if (name === "rectangle") {
       ImageEditorUtils.addRect(fabricCanvas);
+    } else if (name === "image") {
+      ImageEditorUtils.addImageWithFilePicker(fabricCanvas);
     }
   };
 
@@ -116,6 +119,19 @@
   };
 
   onMount(() => {
+    const savedLabelPropsStr: string | null = localStorage.getItem("last_label_props");
+
+    if (savedLabelPropsStr != null) {
+      try {
+        const obj = JSON.parse(savedLabelPropsStr);
+        if ("size" in obj && "width" in obj.size && "height" in obj.size && ["top", "left"].includes(obj.startPos)) {
+          labelProps = obj as LabelProps;
+        }
+      } catch (e) {
+        console.error(e);
+      }
+    }
+
     fabricCanvas = new fabric.Canvas(htmlCanvas, {
       width: labelProps.size.width,
       height: labelProps.size.height,
@@ -124,7 +140,6 @@
 
     ImageEditorUtils.addText(fabricCanvas);
 
-
     fabricCanvas.on("object:moving", (e: fabric.IEvent<MouseEvent>) => {
       const grid = 5;
       if (e.target && e.target.left !== undefined && e.target.top !== undefined) {
@@ -198,7 +213,7 @@
     <div class="col d-flex justify-content-center">
       <div class="toolbar d-flex flex-wrap gap-1 justify-content-center align-items-center">
         {#if selectedCount > 0}
-        <button class="btn btn-sm btn-danger me-1" on:click={deleteSelected}><FaIcon icon="trash" /></button>
+          <button class="btn btn-sm btn-danger me-1" on:click={deleteSelected}><FaIcon icon="trash" /></button>
         {/if}
 
         {#if selectedObject && selectedCount === 1}

niimblue/src/lib/ObjectPicker.svelte

@@ -26,6 +26,10 @@
       <button class="btn me-1" on:click={() => onSubmit("circle")}>
         <FaIcon icon="circle-dot" /> Circle
       </button>
+
+      <button class="btn me-1" on:click={() => onSubmit("image")}>
+        <FaIcon icon="image" /> Image
+      </button>
     </div>
   </div>
 </div>

niimblue/src/lib/PrintPreview.svelte

@@ -4,12 +4,7 @@
   import Modal from "bootstrap/js/dist/modal";
   import { connectionState, printerClient } from "../stores";
   import { copyImageData, threshold, atkinson } from "../post_process";
-  import {
-    type EncodedImage,
-    ImageEncoder,
-    PacketGenerator,
-    ProtocolVersion,
-  } from "@mmote/niimbluelib";
+  import { type EncodedImage, ImageEncoder, PacketGenerator, ProtocolVersion } from "@mmote/niimbluelib";
   import type { LabelProps } from "../types";
   import FaIcon from "./FaIcon.svelte";
 
@@ -19,59 +14,64 @@
 
   let modalElement: HTMLElement;
   let previewCanvas: HTMLCanvasElement;
+  let printState: "idle" | "sending" | "printing" = "idle";
   let modal: Modal;
-  let sendProgress: number = 0;
   let printProgress: number = 0; // todo: more progress data
   let density: number = 3;
   let quantity: number = 1;
-  let printed: boolean = false;
   let postProcessType: "threshold" | "dither";
   let thresholdValue: number = 140;
   let imgData: ImageData;
   let imgContext: CanvasRenderingContext2D;
   let printTaskVersion: ProtocolVersion = ProtocolVersion.V3;
   let statusTimer: NodeJS.Timeout | undefined = undefined;
-  let printError: boolean = false;
+  let error: string = "";
 
   const disconnected = derived(connectionState, ($connectionState) => $connectionState !== "connected");
 
-  const cancelPrint = async () => {
+  const endPrint = async () => {
     clearInterval(statusTimer);
 
-    if (!$disconnected && printed) {
-      await $printerClient.sendPacket(PacketGenerator.printEnd());
+    if (!$disconnected && printState !== "idle") {
+      await $printerClient.abstraction.printEnd();
     }
 
-    printed = false;
+    printState = "idle";
     printProgress = 0;
   };
 
   const onPrint = async () => {
-    printError = false;
     const encoded: EncodedImage = ImageEncoder.encodeCanvas(previewCanvas, labelProps.startPos);
-    const packets = PacketGenerator.generatePrintSequence(printTaskVersion, encoded, { quantity, density });
 
-    for (let i = 0; i < packets.length; i++) {
-      sendProgress = Math.round(((i + 1) / packets.length) * 100);
-      await $printerClient.sendPacketWaitResponse(packets[i], 10_000);
+    printState = "sending";
+    error = "";
+
+    try {
+      await $printerClient.abstraction.print(printTaskVersion, encoded, { quantity, density });
+    } catch (e) {
+      error = `${e}`;
+      console.error(e);
+      return;
     }
 
+    printState = "printing";
+
     statusTimer = setInterval(async () => {
       try {
         const status = await $printerClient.abstraction.getPrintStatus();
         printProgress = status.pagePrintProgress;
 
         if (status.page === quantity && status.pagePrintProgress === 100 && status.pageFeedProgress === 100) {
-          await cancelPrint();
+          await endPrint();
         }
       } catch (e) {
+        error = `${e}`;
         console.error(e);
-        await cancelPrint();
-        printError = true;
+        await endPrint();
       }
     }, 100);
 
-    printed = true;
+    printState = "idle";
   };
 
   const updatePreview = () => {
@@ -102,13 +102,13 @@
     modal = new Modal(modalElement);
     modal.show();
     modalElement.addEventListener("hidden.bs.modal", async () => {
-      cancelPrint();
+      endPrint();
       onClosed();
     });
 
     const taskVer = $printerClient?.getCapabilities().printTaskVersion;
     if (taskVer !== undefined && taskVer !== ProtocolVersion.UNKNOWN) {
-      console.log(`Detected print task version: ${ProtocolVersion[taskVer]}`)
+      console.log(`Detected print task version: ${ProtocolVersion[taskVer]}`);
       printTaskVersion = taskVer;
     }
   });
@@ -139,13 +139,8 @@
       <div class="modal-body text-center">
         <canvas class="print-start-{labelProps.startPos}" bind:this={previewCanvas}></canvas>
 
-        {#if sendProgress != 0 && sendProgress != 100}
-          <div>
-            Sending...
-            <div class="progress" role="progressbar">
-              <div class="progress-bar" style="width: {sendProgress}%">{sendProgress}%</div>
-            </div>
-          </div>
+        {#if printState === "sending"}
+          <div>Sending...</div>
         {/if}
         {#if printProgress != 0 && printProgress != 100}
           <div>
@@ -157,8 +152,8 @@
         {/if}
       </div>
 
-      {#if printError}
-        <div class="alert alert-danger" role="alert">Print error</div>
+      {#if error}
+        <div class="alert alert-danger" role="alert">{error}</div>
       {/if}
 
       <div class="modal-footer">
@@ -204,13 +199,13 @@
 
         <button type="button" class="btn btn-secondary" data-bs-dismiss="modal">Close</button>
 
-        {#if printed}
-          <button type="button" class="btn btn-primary" disabled={$disconnected} on:click={cancelPrint}>
+        {#if printState !== "idle"}
+          <button type="button" class="btn btn-primary" disabled={$disconnected} on:click={endPrint}>
             Cancel print
           </button>
         {/if}
 
-        <button type="button" class="btn btn-primary" disabled={$disconnected || printed} on:click={onPrint}>
+        <button type="button" class="btn btn-primary" disabled={$disconnected || printState !== "idle"} on:click={onPrint}>
           {#if $disconnected}
             Printer is not connected
           {:else}

niimblue/src/types.ts

@@ -15,4 +15,4 @@ export type LabelPreset = {
   startPosition: HeadPosition;
 };
 
-export type OjectType = "text" | "rectangle" | "line" | "circle"
+export type OjectType = "text" | "rectangle" | "line" | "circle" | "image"

niimbluelib/src/packets/abstraction.ts

@@ -7,12 +7,17 @@ import {
   NiimbotPacket,
   PacketGenerator,
   PrinterInfoType,
+  PrintOptions,
   ResponseCommandId,
   SoundSettingsItemType,
   SoundSettingsType,
-} from ".";
-import { NiimbotAbstractClient, Utils, Validators } from "..";
-import { PrinterModel } from "../printers";
+  EncodedImage,
+  NiimbotAbstractClient,
+  Utils,
+  Validators,
+  PrinterModel,
+  ProtocolVersion,
+} from "..";
 import { SequentialDataReader } from "./data_reader";
 
 export class PrintError extends Error {
@@ -64,8 +69,9 @@ export interface PrinterStatusData {
 
 /** Not sure for name. */
 export class Abstraction {
+  private readonly DEFAULT_TIMEOUT: number = 1_000;
   private client: NiimbotAbstractClient;
-  private timeout: number = 1000;
+  private timeout: number = this.DEFAULT_TIMEOUT;
 
   constructor(client: NiimbotAbstractClient) {
     this.client = client;
@@ -79,6 +85,10 @@ export class Abstraction {
     this.timeout = value;
   }
 
+  public setDefaultTimeout() {
+    this.timeout = this.DEFAULT_TIMEOUT;
+  }
+
   /** Send packet and wait for response */
   private async send(packet: NiimbotPacket): Promise<NiimbotPacket> {
     return this.client.sendPacketWaitResponse(packet, this.timeout);
@@ -277,4 +287,20 @@ export class Abstraction {
   public async setSoundEnabled(soundType: SoundSettingsItemType, value: boolean): Promise<void> {
     await this.send(PacketGenerator.setSoundSettings(soundType, value));
   }
+
+  public async print(protoVersion: ProtocolVersion, image: EncodedImage, options?: PrintOptions, timeout?:number): Promise<void> {
+    this.setTimeout(timeout ?? 10_000);
+    const packets: NiimbotPacket[] = PacketGenerator.generatePrintSequence(protoVersion, image, options);
+    try {
+      for (const element of packets) {
+        await this.send(element);
+      }
+    } finally {
+      this.setDefaultTimeout();
+    }
+  }
+
+  public async printEnd(): Promise<void> {
+    await this.send(PacketGenerator.printEnd());
+  }
 }