@package: PDF

Filter Hook: Filters font used in the purchase invoice PDF.

Filter Hook: Filters font size used in the purchase invoice PDF.

Action Hook: Fires after the purchase_invoice content is added to the PDF.

Filter Hook: Filters username of the user to be used in creating purchase_invoice PDF.

Action Hook: Fires before the purchase_invoice content is added to the PDF.

Filter Hook: Filter for allowed PDF purchase_invoice parameters.

Filter Hook: Filters the parameters passed to the TCPDF writeHTMLCell() function.

Filter Hook: Filters whether to include purchase_invoice CSS styles in purchase_invoice content or not.

Filter Hook: Filters purchase_invoice content after all processing.

Filter Hook: Filters purchase_invoice tcpdf paramaters.

Action Hook: Fires after creating purchase_invoice `TCPDF` class object.

Filter Hook: Filters the value of pdf creator.

Filter Hook: Filters the name of the pdf author.

Filter Hook: Filters the title of the pdf.

Filter Hook: Filters the subject of the pdf.

Filter Hook: Filters the pdf keywords.

Action Hook: Fires after setting purchase_invoice pdf data.

Action Hook: Fires when thumbnail image processing starts.

Action Hook: Fires before the thumbnail image is added to the PDF.

Action Hook: Fires after the thumbnail image is added to the PDF.