CreateCircleAnnotation creates a circle/ellipse annotation object with appearance stream that can be added to page PDF annotations.

CreateFileAttachmentAnnotation creates a file attachment annotation object that can be added to the annotation list of a PDF page.

CreateInkAnnotation creates an ink annotation object that can be added to the annotation list of a PDF page.

CreateLineAnnotation creates a line annotation object that can be added to page PDF annotations.

CreateRectangleAnnotation creates a rectangle annotation object that can be added to page PDF annotations.

NewCheckboxField generates a new checkbox field with partial name `name` at location `rect` on specified `page` and with field specific options `opt`.

NewComboboxField generates a new combobox form field with partial name `name` at location `rect` on specified `page` and with field specific options `opt`.

NewFormResetButtonField would create a reset button in specified page according to the parameter in `FormResetActionOptions`.

NewFormSubmitButtonField would create a submit button in specified page according to the parameter in `FormSubmitActionOptions`.

NewImageField generates a new image field with partial name `name` at location `rect` on specified `page` and with field specific options `opt`.

NewSignatureField returns a new signature field with a visible appearance containing the specified signature lines and styled according to the specified options.

NewSignatureFieldOpts returns a new initialized instance of options used to generate a signature appearance.

NewSignatureLine returns a new signature line displayed as a part of the signature field appearance.

NewTextField generates a new text field with partial name `name` at location specified by `rect` on given `page` and with field specific options `opt`.

AppearanceFont represents a font used for generating the appearance of a field in the filling/flattening process.

AppearanceFontStyle defines font style characteristics for form fields, used in the filling/flattening process.

AppearanceStyle defines style parameters for appearance stream generation.

CheckboxFieldOptions defines optional parameters for a checkbox field a form.

CircleAnnotationDef defines a circle annotation or ellipse at position (X, Y) and Width and Height.

ComboboxFieldOptions defines optional parameters for a combobox form field.

FieldAppearance implements interface model.FieldAppearanceGenerator and generates appearance streams for fields taking into account what value is in the field.

FileAnnotationDef holds base information for constructing an file attachment annotation.

FormResetActionOptions holds options for creating a form reset button.

FormSubmitActionOptions holds options for creating a form submit button.

ImageFieldAppearance implements interface model.FieldAppearanceGenerator and generates appearance streams for attaching an image to a button field.

ImageFieldOptions defines optional parameters for a push button with image attach capability form field.

InkAnnotationDef holds base information for constructing an ink annotation.

LineAnnotationDef defines a line between point 1 (X1,Y1) and point 2 (X2,Y2).

RectangleAnnotationDef is a rectangle defined with a specified Width and Height and a lower left corner at (X,Y).

SignatureFieldOpts represents a set of options used to configure an appearance widget dictionary.

SignatureLine represents a line of information in the signature field appearance.

TextFieldOptions defines optional parameter for a text field in a form.

SignatureImagePosition specifies the image signature location relative to the text signature.