Documentation – Customizing Field Appearance

Java: Decorate Field

Tue, 09 Jun 2026 00:00:00 +0000

Decorate a field

Bind the source PDF to the FormEditor facade.
Configure a FormFieldFacade with the required colors and alignment.
Pass the facade to the editor and call decorateField(...).
Save the updated document.

public static void decorateField(Path inputFile, Path outputFile) {
    FormEditor editor = new FormEditor();
    try {
        editor.bindPdf(inputFile.toString());
        FormFieldFacade facade = new FormFieldFacade();
        facade.setBackgroundColor(Color.RED);
        facade.setTextColor(Color.BLUE);
        facade.setBorderColor(Color.GREEN);
        facade.setAlignment(FormFieldFacade.ALIGN_CENTER);
        editor.setFacade(facade);
        editor.decorateField("First Name");
        editor.save(outputFile.toString());
    } finally {
        editor.close();
    }
}

Java: Set Field Alignment

Tue, 09 Jun 2026 00:00:00 +0000

Set horizontal field alignment

Bind the source PDF to the FormEditor facade.
Call setFieldAlignment(...) for the target field and desired alignment constant.
Save the updated document.

public static void setFieldAlignment(Path inputFile, Path outputFile) {
    FormEditor editor = new FormEditor();
    try {
        editor.bindPdf(inputFile.toString());
        editor.setFieldAlignment("First Name", FormFieldFacade.ALIGN_CENTER);
        editor.save(outputFile.toString());
    } finally {
        editor.close();
    }
}

Java: Set Field Alignment Vertical

Tue, 09 Jun 2026 00:00:00 +0000

Set vertical field alignment

Bind the source PDF to the FormEditor facade.
Call setFieldAlignmentV(...) for the target field and desired vertical alignment constant.
Save the updated document.

public static void setFieldAlignmentVertical(Path inputFile, Path outputFile) {
    FormEditor editor = new FormEditor();
    try {
        editor.bindPdf(inputFile.toString());
        editor.setFieldAlignmentV("First Name", FormFieldFacade.ALIGN_BOTTOM);
        editor.save(outputFile.toString());
    } finally {
        editor.close();
    }
}

Java: Set Field Appearance

Tue, 09 Jun 2026 00:00:00 +0000

Set field appearance flags

Bind the source PDF to the FormEditor facade.
Call setFieldAppearance(...) for the target field and chosen annotation flag.
Save the updated document.

public static void setFieldAppearance(Path inputFile, Path outputFile) {
    FormEditor editor = new FormEditor();
    try {
        editor.bindPdf(inputFile.toString());
        editor.setFieldAppearance("First Name", AnnotationFlags.Hidden);
        editor.save(outputFile.toString());
    } finally {
        editor.close();
    }
}

Java: Set Field Limit

Tue, 09 Jun 2026 00:00:00 +0000

Set a field character limit

Bind the source PDF to the FormEditor facade.
Call setFieldLimit(...) for the target field and maximum character count.
Save the updated document.

public static void setFieldLimit(Path inputFile, Path outputFile) {
    FormEditor editor = new FormEditor();
    try {
        editor.bindPdf(inputFile.toString());
        editor.setFieldLimit("First Name", 15);
        editor.save(outputFile.toString());
    } finally {
        editor.close();
    }
}

Java: Set Field Comb Number

Tue, 09 Jun 2026 00:00:00 +0000

Set a field comb number

Bind the source PDF to the FormEditor facade.
Call setFieldCombNumber(...) for the target field and comb value.
Save the updated document.

public static void setFieldCombNumber(Path inputFile, Path outputFile) {
    FormEditor editor = new FormEditor();
    try {
        editor.bindPdf(inputFile.toString());
        editor.setFieldCombNumber("textCombField", 5);
        editor.save(outputFile.toString());
    } finally {
        editor.close();
    }
}