:octocat: allow base64 encoding for SVG and PDF output

src/Output/QRFpdf.php

@@ -102,6 +102,10 @@ class QRFpdf extends QROutputAbstract{
 			$this->saveToFile($pdfData, $file);
 		}
 
+		if($this->options->imageBase64){
+			$pdfData = sprintf('data:application/pdf;base64,%s', base64_encode($pdfData));
+		}
+
 		return $pdfData;
 	}
 

src/Output/QRMarkup.php

@@ -141,6 +141,10 @@ class QRMarkup extends QROutputAbstract{
 			return '<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">'.$this->options->eol.$svg;
 		}
 
+		if($this->options->imageBase64){
+			$svg = sprintf('data:image/svg+xml;base64,%s', base64_encode($svg));
+		}
+
 		return $svg;
 	}