hidden. This technique is usually used by OCR tools to store the recognized text in an invisible layer on the page. The following shows how to detect situation 1. above, or situation 2. if the covering PDF. This page will look like the original image with the same width and height. It will contain a layer of text as recognized by Tesseract. The PDF can be generated via one of the methods Pixmap.pdfocr_save() an ellipse, and so on. 20.5.3 Solution Use an OCR software like OCRmyPDF to insert a hidden text layer underneath the visible page. The resulting PDF should behave as expected. 20.5.4 Problem: unreadable

beginLayer(tag) Begin a marked-content layer with the given tag. Arguments • tag – String. device.beginLayer("my tag"); endLayer() End a marked-content layer. device.endLayer(); renderFlags(set, convenience we add a text representation of the original Python backtrace to the exception text, but the C layer’s fz_try/catch exception handling only holds 256 characters of exception text, so this backtrace information

beginLayer(tag) Begin a marked-content layer with the given tag. Arguments • tag – String. device.beginLayer("my tag"); endLayer() End a marked-content layer. device.endLayer(); renderFlags(set, convenience we add a text representation of the original Python backtrace to the exception text, but the C layer’s fz_try/catch exception handling only holds 256 characters of exception text, so this backtrace information

beginLayer(tag) Begin a marked-content layer with the given tag. Arguments • tag – String. device.beginLayer("my tag"); endLayer() End a marked-content layer. device.endLayer(); renderFlags(set, convenience we add a text representation of the original Python backtrace to the exception text, but the C layer’s fz_try/catch exception handling only holds 256 characters of exception text, so this backtrace information

pending output. beginLayer(tag) Begin a marked-content layer with the given tag. Arguments • tag – String. endLayer() End a marked-content layer. 3.4.15 Path A Path object represents vector graphics