parent
a30600943d
commit
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@ -41,6 +41,7 @@
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"dependencies": {
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"@odit/class-validator-jsonschema": "^2.1.1",
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"axios": "^0.21.1",
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"bwip-js": "^2.0.12",
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"cheerio": "^1.0.0-rc.5",
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"class-transformer": "0.3.1",
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"class-validator": "^0.13.1",
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@ -179,6 +179,25 @@ export class PdfCreator {
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return <Buffer>(await mergedPdf.save());
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}
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/**
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* A simple barcode generation function using default params suitable for usage in pdfs.
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* Generates the barcodes as base64-encoded png.
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* @param type Barcode type according to this list: https://github.com/metafloor/bwip-js/wiki/BWIPP-Barcode-Types
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* @param content Barcode content/text - please remember that some formats only support certain input types.
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* @returns Barcode image as base64 encoded png string.
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*/
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public async generateBarcode(type: string, content: string): Promise<String> {
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let barcode: Buffer = await bwipjs.toBuffer({
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bcid: type,
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text: content,
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scale: 3,
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height: 10,
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includetext: true,
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textxalign: 'center',
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});
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return `data:$image/png;base64,${barcode.toString('base64')}`;
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}
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/**
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* Generates a new dummy runner with halfspaces for all strings.
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* Can be used to generate empty sponsoring contracts.
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