Both formats today coexist in PDF specification. When an XFA is packaged inside a PDF file, it is placed in the Acro.
Form document resources dictionary (. Currently the only specified is the XFAF profile. XFA can be used as: full XFA - which express all of the form, including boilerplate, directly in XFA (without any PDF or without a complete PDF background). It can be packaged inside a . It is used for dynamic XFA forms (since XFA 2. Optionally it may include a pre- rendered depiction of the XFA form as PDF pages - but it is useful only for traditional static forms. Dynamic XFA must be rendered on file opening.
XFAF (XFA Foreground) subset - (introduced in XFA 2. XFA form overlays a PDF background. It can be used only for static XFA forms.
This architecture uses only a subset of XFA. In XFAF each XFA field corresponds to a PDF interactive field (Acro. Form field). Packaging. The format of an XFA resource in PDF is described by the XML Data Package Specification.
The XDP may be a standalone document or it may in turn be carried inside a PDF document. Cassidy Big Things Poppin Download Minecraft here. It minimizes the file size and the rendering overhead is moved from the server to the client. Packaging an XDP within PDF has the advantage that it is more compact, because PDF is compressed. XDP in PDF can be digitally signed in ways that a standalone XDP cannot. In contrast, packaging form components within an XML container (XDP) makes it easy for standard XML applications to work with XFA forms.
The XML components are human readable and easy editable (in contrast with PDF source code). When in XDP form, an XFA document may be validated using schemas attached to XFA specification.
Compatibility. When generating a shell PDF it is recommended to include in the PDF markup a simple one- page PDF image displaying a warning message (e. If this message is not eventually replaced by the proper contents of the document, your PDF viewer may not be able to display this type of document. PDF processors that can render XFA content should either not display the supplied warning page image or replace it quickly with the dynamic form content. Examples of PDF software without full XFA support include Adobe Reader Mobile for Android and i. OS (and there will be also no support for XFA forms in Adobe Reader Mobile in the future).
Mobile Forms are not a single file like a PDF or XDP. These rich text strings are XML documents that conform to the rich text conventions specified for the XML Forms Architecture specification, which is itself a subset of the XHTML 1. CSS2 style attributes. In PDF 1. 7, PDF supports the rich text elements and attributes specified in the XML Forms Architecture (XFA) Specification, 2.
PDF/A forbids active content and omits all XFA content except, optionally, the XML Data Document (form's data created by a user). Standardization. However, the ISO 3. XFA as normative and indispensable for the application of the ISO 3.
XFA was not standardized as an ISO standard. Since 2. 00. 7, development of PDF standard is conducted by ISO's Technical Committee 1. Subcommittee 2/Working Group 8 (TC 1. SC 2/WG 8) formally named PDF specification. In 2. 01. 1 the ISO Committee urged Adobe Systems to submit the XFA Specification, XML Forms Architecture (XFA), to ISO for standardization and requested Adobe Systems to stabilize the XFA specification.
The Committee expressed its concerns about the stability of the XFA specification. Retrieved 2. 01. 0- 0. Apparently Adobe introduced something newer called XFA (XML Forms Architecture) which doesn't seem standardized.
Retrieved 2. 01. 0- 0. Retrieved 2. 01. 0- 0. Retrieved 2. 01. 0- 0. Retrieved 2. 01. 0- 0. I get a warning that I need a new version of Adobe Reader, retrieved 2. Foxit Reader(PDF), retrieved 2. Feature differentiation between Mobile Forms and PDF Forms, retrieved 2.
ISO/TC 1. 71/SC 2/WG 8 N 6. Meeting Report(PDF), 2. XFA is not to be ISO standard just yet.
The Committee urges Adobe Systems to submit the XFA Specification, XML Forms Architecture (XFA), to ISO for standardization .. The Committee is concerned about the stability of the XFA specification .. Part 2 will reference XFA 3.
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