import { IHTMLRenderType } from './flat_layout/flat_html';
import { LocalizableString } from 'survey-core';
import './jspdf_plugins/acroform.js';
import './jspdf_plugins/from_html.js';
export interface IPoint {
    /**
     * An X-coordinate for the left element edge.
     */
    xLeft: number;
    /**
     * A Y-coordinate for the top element edge.
     */
    yTop: number;
}
/**
 * An interface that describes a rectangle.
 */
export interface IRect extends IPoint {
    /**
     * An X-coordinate for the right element edge.
     */
    xRight: number;
    /**
     * A Y-coordinate for the bottom element edge.
     */
    yBot: number;
}
export interface ISize {
    width: number;
    height: number;
}
export interface IMarginLR {
    /**
     * A left margin.
     */
    left?: number;
    /**
     * A right margin.
     */
    right?: number;
}
/**
 * An interface that describes margins.
 */
export interface IMargin extends IMarginLR {
    /**
     * A top margin.
     */
    top?: number;
    /**
     * A bottom margin.
     */
    bot?: number;
}
/**
 * PDF document configuration. Pass it as the second argument to the `SurveyPDF` constructor:
 *
 * ```js
 * const surveyPdf = new SurveyPDF.SurveyPDF(surveyJson, pdfDocOptions);
 *
 * // In modular applications:
 * import { SurveyPDF } from "survey-pdf";
 * const surveyPdf = new SurveyPDF(surveyJson, pdfDocOptions);
 * ```
 */
export interface IDocOptions {
    /**
     * Page orientation.
     *
     * Possible values:
     *
     * - `"p"` (default) - Portrait orientation.
     * - `"l"` - Landscape orientation.
     *
     * @see format
     */
    orientation?: 'p' | 'l';
    /**
     * Page format.
     *
     * Possible values:
     *
     * - `"a0"` - `"a10"` (`"a4"` is default)
     * - `"b0"` - `"b10"`
     * - `"c0"` - `"c10"`
     * - `"dl"`
     * - `"letter"`
     * - `"government-letter"`
     * - `"legal"`
     * - `"junior-legal"`
     * - `"ledger"`
     * - `"tabloid"`
     * - `"credit-card"`
     * - `[width, height]` - Custom page size in millimeters, for example, `[210, 297]`.
     *
     * [View Demo](https://surveyjs.io/pdf-generator/examples/save-completed-forms-as-pdf-files/ (linkStyle))
     * @see orientation
     */
    format?: string | number[];
    /**
     * Font size in points.
     *
     * Default value: 14
     *
     * @see fontName
     */
    fontSize?: number;
    /**
     * Font name.
     *
     * Possible values:
     *
     * - `"Helvetica"` (default)
     * - `"Courier"`
     * - `"Times"`
     * - `"Symbol"`
     * - `"ZapfDingbats"`
     * - [Custom font name](https://surveyjs.io/pdf-generator/documentation/customize-pdf-form-settings#custom-fonts)
     *
     * [View Demo](https://surveyjs.io/pdf-generator/examples/change-font-in-pdf-form/ (linkStyle))
     * @see fontSize
     */
    fontName?: string;
    base64Normal?: string;
    base64Bold?: string;
    /**
     * Specifies whether to apply a custom font to [HTML questions](https://surveyjs.io/form-library/examples/questiontype-html/).
     *
     * Default value: `false`
     *
     * [View Demo](https://surveyjs.io/pdf-generator/examples/change-font-in-pdf-form/ (linkStyle))
     * @see htmlRenderAs
     */
    useCustomFontInHtml?: boolean;
    /**
     * Page margins.
     *
     * Set this property to an object with the following fields: `top`, `bot`, `left`, `right`.
     *
     * [View Demo](https://surveyjs.io/pdf-generator/examples/save-completed-forms-as-pdf-files/ (linkStyle))
     */
    margins?: IMargin;
    /**
     * Specifies how to render [HTML questions](https://surveyjs.io/Documentation/Library?id=questionhtmlmodel) into PDF.
     *
     * Possible values:
     *
     * - `"standard"` - Render HTML questions as selectable text.
     * - `"image"` - Render HTML questions as images.
     * - `"auto"` (default) - Select between the `"standard"` and `"image"` modes automatically based on the HTML content.
     *
     * [View Demo](https://surveyjs.io/pdf-generator/examples/split-html-image-across-pages/ (linkStyle))
     *
     * You can override this property for an individual HTML question. Set the question's `renderAs` property to `"standard"` or `"image"` in the survey JSON schema.
     * @see useCustomFontInHtml
     */
    htmlRenderAs?: IHTMLRenderType;
    /**
     * Specifies how to render [Matrix](https://surveyjs.io/Documentation/Library?id=questionmatrixmodel), [Matrix Dropdown](https://surveyjs.io/Documentation/Library?id=questionmatrixdropdownmodel), and [Matrix Dynamic](https://surveyjs.io/Documentation/Library?id=questionmatrixdynamicmodel) questions into PDF.
     *
     * Possible values:
     *
     * - `"list"` - Render matrix-like questions as lists.
     * - `"auto"` (default) - Render matrix-like questions as tables if they fit into the available space. Otherwise, render the questions as lists.
     *
     * You can override this property for an individual matrix-like question. Set the question's `renderAs` property to `"list"` in the survey JSON schema.
     */
    matrixRenderAs?: 'auto' | 'list';
    useLegacyBooleanRendering?: boolean;
    /**
     * Specifies how to render read-only questions.
     *
     * Possible values:
     *
     * - `"text"` - Render read-only questions as plain text and custom primitives.
     * - `"acroform"` - Use Adobe AcroForms to render questions that support them as interactive form elements switched to their native read-only state. Other questions are rendered in `"text"` mode.
     * - `"auto"` (default) - Prefer the `"text"` mode but use `"acroform"` for [File Upload](https://surveyjs.io/form-library/documentation/api-reference/file-model) questions and links.
     */
    readonlyRenderAs?: 'auto' | 'text' | 'acroform';
    textFieldRenderAs?: 'singleLine' | 'multiLine';
    /**
     * Specifies whether to compress the PDF document. Compressed documents do not support [custom fonts](https://surveyjs.io/Documentation/Pdf-Export?id=Customization-ChangeFonts#use-custom-font).
     *
     * Default value: `false`
     */
    compress?: boolean;
    /**
     * Specifies whether to apply `imageFit` settings specified in the survey JSON schema to exported images.
     *
     * Default value: `false`
     *
     * This property applies the following settings:
     *
     * - [`imageFit`](https://surveyjs.io/form-library/documentation/api-reference/add-image-to-survey#imageFit) to exported [Image](https://surveyjs.io/form-library/documentation/api-reference/add-image-to-survey) questions
     * - [`imageFit`](https://surveyjs.io/form-library/documentation/api-reference/image-picker-question-model#imageFit) to exported [Image Picker](https://surveyjs.io/form-library/documentation/api-reference/image-picker-question-model) questions
     * - [`logoFit`](https://surveyjs.io/form-library/documentation/api-reference/survey-data-model#logoFit) to an exported logo in the survey header
     *
     * If you enable the `applyImageFit` property, the quality of images may be lower because they pass through several conversions. If `applyImageFit` is disabled, exported images fill the entire container and do not preserve their aspect ratio, but their quality remains the same because they are exported as is.
     */
    applyImageFit?: boolean;
    /**
     * Specifies whether the PDF document contains text in right-to-left languages.
     *
     * Default value: `false`
     */
    isRTL?: boolean;
    /**
     * Specifies whether to include only selected choices when PDF Generator renders a [Multi-Select Dropdown (Tag Box)](https://surveyjs.io/form-library/examples/how-to-create-multiselect-tag-box/) question.
     *
     * Default value: `false` (include all choices)
     */
    tagboxSelectedChoicesOnly?: boolean;
}
export declare class DocOptions implements IDocOptions {
    static readonly MM_TO_PT: number;
    static readonly FONT_SIZE = 14;
    protected _orientation: 'l' | 'p';
    protected _format: string | number[];
    protected _fontSize: number;
    protected _fontName: string;
    static SEGOE_NORMAL: string;
    static SEGOE_BOLD: string;
    protected _base64Normal: string;
    protected _base64Bold: string;
    protected _useCustomFontInHtml: boolean;
    protected _margins: IMargin;
    protected _htmlRenderAs: IHTMLRenderType;
    protected _matrixRenderAs: 'auto' | 'list';
    protected _readonlyRenderAs: 'auto' | 'text' | 'acroform';
    protected _compress: boolean;
    protected _applyImageFit: boolean;
    protected _useLegacyBooleanRendering: boolean;
    protected _isRTL: boolean;
    protected _tagboxSelectedChoicesOnly: boolean;
    constructor(options: IDocOptions);
    get leftTopPoint(): IPoint;
    get fontSize(): number;
    get fontName(): string;
    get base64Normal(): string;
    get base64Bold(): string;
    get useCustomFontInHtml(): boolean;
    get margins(): IMargin;
    get format(): string | number[];
    get orientation(): 'l' | 'p';
    get htmlRenderAs(): IHTMLRenderType;
    get matrixRenderAs(): 'auto' | 'list';
    get readonlyRenderAs(): 'auto' | 'text' | 'acroform';
    get compress(): boolean;
    get applyImageFit(): boolean;
    get useLegacyBooleanRendering(): boolean;
    get isRTL(): boolean;
    get tagboxSelectedChoicesOnly(): boolean;
}
/**
 * The `DocController` object includes an API that allows you to configure main PDF document properties (font, margins, page width and height).
 *
 * [View Demo](https://surveyjs.io/pdf-generator/examples/change-font-in-pdf-form/ (linkStyle))
 */
export declare class DocController extends DocOptions {
    private _doc;
    private _helperDoc;
    private _fontStyle;
    private marginsStack;
    constructor(options?: IDocOptions);
    static customFonts: {
        [name: string]: {
            normal: string;
            bold: string;
            italic: string;
            bolditalic: string;
        };
    };
    /**
     * Adds a custom font to the PDF Generator.
     *
     * [View Demo](https://surveyjs.io/pdf-generator/examples/change-font-in-pdf-form/ (linkStyle))
     * @param fontName A custom name that you will use to apply the custom font.
     * @param base64 The custom font as a Base64-encoded string. To encode your font to Base64, obtain it as a TTF file and use any TTF-to-Base64 online converter.
     * @param fontStyle The style of the custom font: `"normal"`, `"bold"`, `"italic"`, or `"bolditalic"`.
     */
    static addFont(fontName: string, base64: string, fontStyle: 'normal' | 'bold' | 'italic' | 'bolditalic'): void;
    get doc(): any;
    get helperDoc(): any;
    get fontName(): string;
    set fontName(fontName: string);
    get fontSize(): number;
    set fontSize(fontSize: number);
    get fontStyle(): string;
    set fontStyle(fontStyle: string);
    measureText(text?: string | LocalizableString | number, fontStyle?: string, fontSize?: number): ISize;
    /**
     * The width of one character in pixels.
     */
    get unitWidth(): number;
    /**
     * The heigth of one character in pixels.
     */
    get unitHeight(): number;
    pushMargins(left?: number, right?: number): void;
    popMargins(): void;
    /**
     * The width of a PDF page in pixels.
     */
    get paperWidth(): number;
    /**
     * The height of a PDF page in pixels.
     */
    get paperHeight(): number;
    getNumberOfPages(): number;
    addPage(): void;
    getCurrentPageIndex(): number;
    setPage(index: number): void;
}