escpos-buffer - npm Package Compare versions

Comparing version 4.0.1 to 4.0.2

__tests__/graphics/filter/BayerOrdered.spec.ts

@@ -0,1 +1,3 @@
+import * as path from 'path';
+import { ImageManager } from 'escpos-buffer-image';
 import { load } from '../../helper';
@@ -5,6 +7,10 @@ import { BayerOrdered, Image } from '../../../src';
 describe('proccess images using Bayer ordered algorithm', () => {
-  it('apply filter on image from buffer', () => {
-    const image = new Image(load('sample.png'), new BayerOrdered());
+  it('apply filter on image from buffer', async () => {
+    const imageManager = new ImageManager();
+    const imageData = await imageManager.loadImage(
+      path.join(__dirname, '../../resources/sample.png'),
+    );
+    const image = new Image(imageData, new BayerOrdered());
     expect(image.data).toStrictEqual(load('bayer_filter', image.data));
   });
 });

__tests__/graphics/filter/FloydSteinberg.spec.ts

@@ -0,1 +1,3 @@
+import * as path from 'path';
+import { ImageManager } from 'escpos-buffer-image';
 import { load } from '../../helper';
@@ -5,4 +7,8 @@ import { FloydSteinberg, Image } from '../../../src';
 describe('proccess images using Floyd and Steinberg algorithm', () => {
-  it('apply filter on image from buffer', () => {
-    const image = new Image(load('sample.png'), new FloydSteinberg());
+  it('apply filter on image from buffer', async () => {
+    const imageManager = new ImageManager();
+    const imageData = await imageManager.loadImage(
+      path.join(__dirname, '../../resources/sample.png'),
+    );
+    const image = new Image(imageData, new FloydSteinberg());
     expect(image.data).toStrictEqual(
@@ -9,0 +15,0 @@ load('floyd_steinberg_filter', image.data),

__tests__/graphics/filter/Threshold.spec.ts

@@ -0,1 +1,3 @@
+import * as path from 'path';
+import { ImageManager } from 'escpos-buffer-image';
 import { load } from '../../helper';
@@ -5,6 +7,10 @@ import { Threshold, Image } from '../../../src';
 describe('proccess images using threshold algorithm', () => {
-  it('apply filter on image from buffer', () => {
-    const image = new Image(load('sample.png'), new Threshold());
+  it('apply filter on image from buffer', async () => {
+    const imageManager = new ImageManager();
+    const imageData = await imageManager.loadImage(
+      path.join(__dirname, '../../resources/sample.png'),
+    );
+    const image = new Image(imageData, new Threshold());
     expect(image.data).toStrictEqual(load('threshold_filter', image.data));
   });
 });

__tests__/graphics/Image.spec.ts

@@ -1,37 +0,29 @@
-import { load } from '../helper';
+import * as path from 'path';
+import { ImageManager } from 'escpos-buffer-image';
+
 import { Image } from '../../src';
-import { PNG } from '../../src';
 
 describe('proccess images to printing format', () => {
-  it('load image from buffer', () => {
-    const image = new Image(load('sample.png'));
+  it('load image from buffer', async () => {
+    const imageManager = new ImageManager();
+    const imageData = await imageManager.loadImage(
+      path.join(__dirname, '../resources/sample.png'),
+    );
+    const image = new Image(imageData);
     expect(image.width).toBe(180);
   });
 
-  it('allow image cache', () => {
-    const cache = new Image(load('sample.png'));
-    const image = new Image();
+  it('allow image cache', async () => {
+    const imageManager = new ImageManager();
+    const imageDataCache = await imageManager.loadImage(
+      path.join(__dirname, '../resources/sample.png'),
+    );
+    const imageData = await imageManager.loadImage(
+      path.join(__dirname, '../resources/transparent_sample.png'),
+    );
+    const cache = new Image(imageDataCache);
+    const image = new Image(imageData);
     Object.assign(image, cache);
     expect(image.width).toBe(180);
   });
-
-  it('accepts a pre-loaded PNG instance', async () => {
-    const imageBuffer = load('sample.png');
-
-    const png = await new Promise((resolve: Function, reject: Function) => {
-      new PNG({ filterType: 4 }).parse(
-        imageBuffer,
-        (error: Error, data: PNG) => {
-          if (error) {
-            reject(error);
-            return;
-          }
-          resolve(data);
-        },
-      );
-    });
-
-    const image = new Image(png as PNG);
-    expect(image.width).toBe(180);
-  });
 });

__tests__/Printer.spec.ts

 import * as path from 'path';
+import * as fs from 'fs';
+import { ImageManager } from 'escpos-buffer-image';
 import { Image } from '../src';
@@ -130,4 +132,12 @@ import { Capability } from '../src/capabilities';
     const connection = new InMemory();
-    const printer = await Printer.CONNECT('MP-4200 TH', connection);
-    const image = new Image(path.join(__dirname, 'resources/sample.png'));
+    const imageManager = new ImageManager();
+    const printer = await Printer.CONNECT(
+      'MP-4200 TH',
+      connection,
+      imageManager,
+    );
+    const imageData = await imageManager.loadImage(
+      path.join(__dirname, 'resources/sample.png'),
+    );
+    const image = new Image(imageData);
     await printer.setAlignment(Align.Center);
@@ -143,4 +153,14 @@ await printer.draw(image);
     const connection = new InMemory();
-    const printer = await Printer.CONNECT('MP-4200 TH', connection);
-    const image = new Image(load('sample.png'));
+    const imageManager = new ImageManager();
+    const printer = await Printer.CONNECT(
+      'MP-4200 TH',
+      connection,
+      imageManager,
+    );
+    // tslint:disable: non-literal-fs-path
+    const imageBuffer = fs.readFileSync(
+      path.join(__dirname, 'resources/sample.png'),
+    );
+    const imageData = await imageManager.loadImageFromBuffer(imageBuffer);
+    const image = new Image(imageData);
     await printer.setAlignment(Align.Center);
@@ -147,0 +167,0 @@ await printer.draw(image);

__tests__/profile/ControliD.spec.ts

@@ -5,2 +5,3 @@ import InMemory from '../../src/connection/InMemory';
 import { load } from '../helper';
+import { ImageManager } from 'escpos-buffer-image';
 
@@ -46,5 +47,14 @@ describe('controlid model profile', () => {
 
+  it('draw qrcode from model PrintiD without a image manager', async () => {
+    const connection = new InMemory();
+    const printer = await Printer.CONNECT('PrintiD', connection);
+    await expect(
+      printer.qrcode('https://github.com/grandchef/escpos-buffer'),
+    ).rejects.toThrow('No image manager to draw qrcode');
+  });
+
   it('draw qrcode from model PrintiD', async () => {
     const connection = new InMemory();
-    const printer = await Printer.CONNECT('PrintiD', connection);
+    const imageManager = new ImageManager();
+    const printer = await Printer.CONNECT('PrintiD', connection, imageManager);
     await printer.setAlignment(Align.Center);
@@ -60,3 +70,8 @@ await printer.qrcode('https://github.com/grandchef/escpos-buffer');
     const connection = new InMemory();
-    const printer = await Printer.CONNECT('PrintiD-Touch', connection);
+    const imageManager = new ImageManager();
+    const printer = await Printer.CONNECT(
+      'PrintiD-Touch',
+      connection,
+      imageManager,
+    );
     await printer.setAlignment(Align.Center);
@@ -63,0 +78,0 @@ await printer.qrcode('https://github.com/grandchef/escpos-buffer');

__tests__/profile/Daruma.spec.ts

@@ -0,1 +1,3 @@
+import * as path from 'path';
+import { ImageManager } from 'escpos-buffer-image';
 import InMemory from '../../src/connection/InMemory';
@@ -52,4 +54,8 @@ import Printer from '../../src/Printer';
     const connection = new InMemory();
-    const printer = await Printer.CONNECT('DR800', connection);
-    const image = new Image(load('sample.png'));
+    const imageManager = new ImageManager();
+    const printer = await Printer.CONNECT('DR800', connection, imageManager);
+    const imageData = await imageManager.loadImage(
+      path.join(__dirname, '../resources/sample.png'),
+    );
+    const image = new Image(imageData);
     await printer.setAlignment(Align.Center);
@@ -56,0 +62,0 @@ await printer.draw(image);

__tests__/profile/Generic.spec.ts

@@ -5,2 +5,3 @@ import InMemory from '../../src/connection/InMemory';
 import { load } from '../helper';
+import { ImageManager } from 'escpos-buffer-image';
 
@@ -43,5 +44,14 @@ describe('generic model profile', () => {
 
+  it('draw qrcode from model CMP-20 without a image manager', async () => {
+    const connection = new InMemory();
+    const printer = await Printer.CONNECT('CMP-20', connection);
+    await expect(
+      printer.qrcode('https://github.com/grandchef/escpos-buffer'),
+    ).rejects.toThrow('No image manager to draw qrcode');
+  });
+
   it('draw qrcode from model CMP-20', async () => {
     const connection = new InMemory();
-    const printer = await Printer.CONNECT('CMP-20', connection);
+    const imageManager = new ImageManager();
+    const printer = await Printer.CONNECT('CMP-20', connection, imageManager);
     await printer.setAlignment(Align.Center);
@@ -48,0 +58,0 @@ await printer.qrcode('https://github.com/grandchef/escpos-buffer');

package.json

 {
   "name": "escpos-buffer",
-  "version": "4.0.1",
+  "version": "4.0.2",
   "description": "Library to generate buffer for thermal printers.",
@@ -39,2 +39,3 @@ "author": "GrandChef Team <[e-mail]>",
     "@types/web-bluetooth": "^0.0.16",
+    "escpos-buffer-image": "^1.1.0",
     "jest": "^29.4.1",
@@ -41,0 +42,0 @@ "prettier": "^2.8.3",

No alert changes

Improved metrics

Total package byte prevSize

411082

increased by5.35%

Number of package files

207

increased by0.49%

Lines of code

5477

increased by1.13%

Worsened metrics

Dev dependency count

14

increased by7.69%

No dependency changes