recreate project

vendor/mike42/escpos-php/example/specific/148-data-uri.php

@@ -0,0 +1,35 @@
+<?php
+/*
+ * Example of one way you could load a PNG data URI into an EscposImage object
+ * without using a file.
+ */
+require __DIR__ . '/../../vendor/autoload.php';
+use Mike42\Escpos\Printer;
+use Mike42\Escpos\PrintConnectors\FilePrintConnector;
+use Mike42\Escpos\ImagickEscposImage;
+
+// Data URI for a PNG image (red dot from https://en.wikipedia.org/wiki/Data_URI_scheme )
+$uri = "data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAUA
+AAAFCAYAAACNbyblAAAAHElEQVQI12P4//8/w38GIAXDIBKE0DHxgljNBAAO
+9TXL0Y4OHwAAAABJRU5ErkJggg==";
+
+// Convert data URI to binary data
+$imageBlob = base64_decode(explode(",", $uri)[1]);
+
+// Give Imagick a filename with the correct extension to stop it from attempting
+// to identify the format itself (this avoids CVE-2016–3714)
+$imagick = new Imagick();
+$imagick -> setResourceLimit(6, 1); // Prevent libgomp1 segfaults, grumble grumble.
+$imagick -> readImageBlob($imageBlob, "input.png");
+
+// Load Imagick straight into an EscposImage object
+$im = new ImagickEscposImage();
+$im -> readImageFromImagick($imagick);
+
+// Do a test print to make sure that this EscposImage object has the right data
+// (should see a tiny bullet point)
+$connector = new FilePrintConnector("php://output");
+$printer = new Printer($connector);
+$printer -> bitImage($im);
+$printer -> cut();
+$printer -> close();