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PDF Oxide

양식 필드 생성

PDF 문서에 대화형 양식 필드를 추가합니다. PDF Oxide는 텍스트 필드, 체크박스, 라디오 버튼 그룹, 콤보 박스(드롭다운), 목록 박스, 푸시 버튼 등 모든 표준 AcroForm 위젯 타입을 지원합니다.

바인딩 커버리지 (v0.3.38). FluentPageBuilder는 Rust, Python, Node/TypeScript, C#, Go, WASM에서 text_field, checkbox, combo_box, radio_group, push_button을 제공합니다 (DocumentBuilder → AcroForm 위젯 참고). 이 페이지에서 다루는 Rust 전용 PdfWriter::text_field / checkbox 등의 하위 API는 위젯별 세부 옵션 (여러 줄 텍스트, 비밀번호 필드, 리스트 박스, 테두리 색상)을 제공합니다. 세밀한 AcroForm 제어가 필요할 때 사용하세요. 기존 폼의 값 채우기와 평탄화(flatten) 는 모든 바인딩에서 동작합니다 — 폼 필드 편집과 PDF 폼 채우기를 참고하세요.

빠른 예제

Rust

use pdf_oxide::writer::{PdfWriter, TextFieldWidget, CheckboxWidget};
use pdf_oxide::geometry::Rect;

let mut writer = PdfWriter::new();
{
    let mut page = writer.add_letter_page();
    page.add_text("Name:", 72.0, 720.0, "Helvetica", 12.0);
    page.text_field("name", Rect::new(130.0, 716.0, 200.0, 20.0));
    page.add_text("I agree to terms:", 72.0, 690.0, "Helvetica", 12.0);
    page.checkbox("agree", Rect::new(200.0, 686.0, 15.0, 15.0));
    page.finish();
}
writer.save("form.pdf")?;

Python

from pdf_oxide import DocumentBuilder

(DocumentBuilder()
    .letter_page()
        .at(72, 720).text("Name:")
        .text_field("name", 130, 716, 200, 20)
        .at(72, 690).text("I agree to terms:")
        .checkbox("agree", 200, 686, 15, 15, False)
    .done()
    .save("form.pdf"))

Node / TypeScript

import { DocumentBuilder } from "pdf-oxide";

await new DocumentBuilder()
  .letterPage()
    .at(72, 720).text("Name:")
    .textField("name", 130, 716, 200, 20)
    .at(72, 690).text("I agree to terms:")
    .checkbox("agree", 200, 686, 15, 15, false)
  .done()
  .save("form.pdf");

C#

DocumentBuilder.Create()
    .LetterPage()
        .At(72, 720).Text("Name:")
        .TextField("name", 130, 716, 200, 20)
        .At(72, 690).Text("I agree to terms:")
        .Checkbox("agree", 200, 686, 15, 15, false)
    .Done()
    .Save("form.pdf");

Go

builder := pdfoxide.NewDocumentBuilder()
builder.LetterPage().
    At(72, 720).Text("Name:").
    TextField("name", 130, 716, 200, 20, "").
    At(72, 690).Text("I agree to terms:").
    Checkbox("agree", 200, 686, 15, 15, false).
    Done()
_ = builder.Save("form.pdf")

위젯 타입

TextFieldWidget – Text Input

Single-line or multi-line text input fields.

use pdf_oxide::writer::TextFieldWidget;
use pdf_oxide::geometry::Rect;

// Basic text field
let field = TextFieldWidget::new("username", Rect::new(72.0, 700.0, 200.0, 20.0));

// Fully configured text field
let field = TextFieldWidget::new("email", Rect::new(72.0, 670.0, 250.0, 20.0))
    .with_value("user@example.com")
    .with_default_value("")
    .with_max_length(100)
    .required()
    .with_tooltip("Enter your email address")
    .with_font("Helv", 12.0)
    .with_text_color(0.0, 0.0, 0.0)
    .with_border_color(0.5, 0.5, 0.5)
    .with_background_color(1.0, 1.0, 0.95);

// Password field (characters are masked)
let password = TextFieldWidget::new("password", Rect::new(72.0, 640.0, 200.0, 20.0))
    .password();

// Multi-line text area
let notes = TextFieldWidget::new("notes", Rect::new(72.0, 550.0, 300.0, 80.0))
    .multiline();

주요 메서드:

메서드 설명
.with_value(s) 현재 텍스트 값 설정
.with_default_value(s) 재설정 값 설정
.with_max_length(n) 최대 문자 수
.required() Mark as required field
.read_only() 편집 방지
.password() 입력 문자 마스크
.multiline() 여러 줄 허용
.with_tooltip(s) Hover tooltip text
.with_font(name, size) Set font and size
.with_text_color(r, g, b) Set text color (0.0-1.0 RGB)
.with_border_color(r, g, b) Set border color
.with_background_color(r, g, b) Set background color

CheckboxWidget – Checkbox

Toggle fields with on/off states.

use pdf_oxide::writer::CheckboxWidget;
use pdf_oxide::geometry::Rect;

// Basic checkbox
let cb = CheckboxWidget::new("agree", Rect::new(72.0, 700.0, 15.0, 15.0));

// Pre-checked checkbox with custom export value
let cb = CheckboxWidget::new("newsletter", Rect::new(72.0, 680.0, 15.0, 15.0))
    .checked()
    .with_export_value("subscribed")
    .with_tooltip("Subscribe to newsletter");

주요 메서드:

메서드 설명
.checked() Set initial state to checked
.with_export_value(s) Value sent on form submission
.with_tooltip(s) Hover tooltip text
.read_only() Prevent toggling

RadioButtonGroup – Radio Buttons

Mutually exclusive option groups. All buttons in a group share the same field name; selecting one deselects the others.

use pdf_oxide::writer::RadioButtonGroup;
use pdf_oxide::geometry::Rect;

let group = RadioButtonGroup::new("color")
    .add_button("Red", Rect::new(72.0, 700.0, 15.0, 15.0))
    .add_button("Green", Rect::new(72.0, 680.0, 15.0, 15.0))
    .add_button("Blue", Rect::new(72.0, 660.0, 15.0, 15.0))
    .with_selected("Green");  // Pre-select "Green"

주요 메서드:

메서드 설명
.add_button(value, rect) Add a radio option
.with_selected(value) Pre-select an option
.no_toggle_off() Prevent deselecting all options

ComboBoxWidget – Dropdown

Drop-down selection fields with optional editable text.

use pdf_oxide::writer::ComboBoxWidget;
use pdf_oxide::writer::form_fields::ChoiceOption;
use pdf_oxide::geometry::Rect;

let combo = ComboBoxWidget::new("country", Rect::new(72.0, 700.0, 200.0, 20.0))
    .add_option("US", "United States")
    .add_option("GB", "United Kingdom")
    .add_option("DE", "Germany")
    .add_option("JP", "Japan")
    .with_selected("US");

주요 메서드:

메서드 설명
.add_option(value, label) Add a selectable option
.with_selected(value) Pre-select an option
.editable() Allow typing custom values
.sorted() Sort options alphabetically

ListBoxWidget – Multi-Select List

Scrollable list fields with single or multiple selection.

use pdf_oxide::writer::ListBoxWidget;
use pdf_oxide::geometry::Rect;

let list = ListBoxWidget::new("languages", Rect::new(72.0, 600.0, 200.0, 80.0))
    .add_option("rust", "Rust")
    .add_option("python", "Python")
    .add_option("go", "Go")
    .add_option("typescript", "TypeScript")
    .multi_select()
    .with_selected("rust");

주요 메서드:

메서드 설명
.add_option(value, label) Add a selectable option
.with_selected(value) Pre-select an option
.multi_select() Allow selecting multiple items
.sorted() Sort options alphabetically

PushButtonWidget – Button

Clickable buttons that trigger actions (submit, reset, or JavaScript).

use pdf_oxide::writer::PushButtonWidget;
use pdf_oxide::geometry::Rect;

let submit = PushButtonWidget::new("submit", Rect::new(72.0, 500.0, 100.0, 30.0))
    .with_label("Submit")
    .submit_form("https://example.com/submit");

let reset = PushButtonWidget::new("reset", Rect::new(180.0, 500.0, 100.0, 30.0))
    .with_label("Reset")
    .reset_form();

고급 예제

Complete Registration Form

use pdf_oxide::writer::{
    PdfWriter, PdfWriterConfig,
    TextFieldWidget, CheckboxWidget, RadioButtonGroup,
    ComboBoxWidget, PushButtonWidget,
};
use pdf_oxide::geometry::Rect;

let config = PdfWriterConfig::default()
    .with_title("Registration Form")
    .with_author("HR Department");

let mut writer = PdfWriter::with_config(config);
{
    let mut page = writer.add_letter_page();

    // Title
    page.add_text("Employee Registration Form", 72.0, 740.0, "Helvetica-Bold", 18.0);

    // Personal Information
    page.add_text("First Name:", 72.0, 700.0, "Helvetica", 12.0);
    page.add_text_field(
        TextFieldWidget::new("first_name", Rect::new(170.0, 696.0, 200.0, 20.0))
            .required()
    );

    page.add_text("Last Name:", 72.0, 670.0, "Helvetica", 12.0);
    page.add_text_field(
        TextFieldWidget::new("last_name", Rect::new(170.0, 666.0, 200.0, 20.0))
            .required()
    );

    page.add_text("Email:", 72.0, 640.0, "Helvetica", 12.0);
    page.add_text_field(
        TextFieldWidget::new("email", Rect::new(170.0, 636.0, 250.0, 20.0))
            .required()
            .with_tooltip("Work email address")
    );

    // Department dropdown
    page.add_text("Department:", 72.0, 610.0, "Helvetica", 12.0);
    page.add_combo_box(
        ComboBoxWidget::new("department", Rect::new(170.0, 606.0, 200.0, 20.0))
            .add_option("eng", "Engineering")
            .add_option("sales", "Sales")
            .add_option("hr", "Human Resources")
            .add_option("ops", "Operations")
    );

    // Employment type radio buttons
    page.add_text("Employment Type:", 72.0, 570.0, "Helvetica", 12.0);
    page.add_text("Full-time", 95.0, 550.0, "Helvetica", 10.0);
    page.add_text("Part-time", 95.0, 530.0, "Helvetica", 10.0);
    page.add_text("Contract", 95.0, 510.0, "Helvetica", 10.0);
    page.add_radio_group(
        RadioButtonGroup::new("employment_type")
            .add_button("fulltime", Rect::new(72.0, 548.0, 15.0, 15.0))
            .add_button("parttime", Rect::new(72.0, 528.0, 15.0, 15.0))
            .add_button("contract", Rect::new(72.0, 508.0, 15.0, 15.0))
            .with_selected("fulltime")
    );

    // Agreement checkbox
    page.add_text("I agree to the terms and conditions", 95.0, 470.0, "Helvetica", 10.0);
    page.add_checkbox(
        CheckboxWidget::new("agree_terms", Rect::new(72.0, 468.0, 15.0, 15.0))
            .with_export_value("agreed")
    );

    // Submit button
    page.add_push_button(
        PushButtonWidget::new("submit", Rect::new(72.0, 420.0, 120.0, 30.0))
            .with_label("Submit Form")
    );

    page.finish();
}

writer.save("registration_form.pdf")?;

기존 PDF에 양식 필드 추가

DocumentEditor를 사용하여 기존 PDF 문서에 필드를 추가합니다:

use pdf_oxide::editor::DocumentEditor;
use pdf_oxide::writer::TextFieldWidget;
use pdf_oxide::geometry::Rect;

let mut editor = DocumentEditor::open("template.pdf")?;

let field = TextFieldWidget::new("signature", Rect::new(72.0, 100.0, 250.0, 25.0))
    .with_tooltip("Sign here");

editor.add_form_field(0, field)?;  // Add to page 0
editor.save("signed_template.pdf")?;

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