import { WbColorPreset, WbLineWidthPreset, WbShapePreset, WbToolPreset, WhiteboardElement, WhiteboardShapeType, WhiteboardState, WhiteboardTool } from './types';
/** 默认画布配置 */
export declare const WB_DEFAULT_CANVAS: {
    zoom: number;
    panX: number;
    panY: number;
    showGrid: boolean;
    gridSize: number;
    backgroundColor: string;
};
/** 默认描边色 */
export declare const WB_DEFAULT_STROKE = "#1890FF";
/** 默认填充色 */
export declare const WB_DEFAULT_FILL = "transparent";
/** 默认线宽 */
export declare const WB_DEFAULT_STROKE_WIDTH = 2;
/** 默认透明度 */
export declare const WB_DEFAULT_OPACITY = 1;
/** 默认字号 */
export declare const WB_DEFAULT_FONT_SIZE = 16;
/** 历史最大长度 */
export declare const WB_MAX_HISTORY = 50;
/** 工具预设列表 */
export declare const WB_TOOL_PRESETS: WbToolPreset[];
/** 形状预设列表 */
export declare const WB_SHAPE_TYPE_PRESETS: WbShapePreset[];
/** 颜色预设 */
export declare const WB_COLOR_PRESETS: WbColorPreset[];
/** 线宽预设 */
export declare const WB_LINE_WIDTH_PRESETS: WbLineWidthPreset[];
/** 透明度预设 */
export declare const WB_OPACITY_PRESETS: WbLineWidthPreset[];
/** 字号预设 */
export declare const WB_FONT_SIZE_PRESETS: WbLineWidthPreset[];
/** 生成元素 ID */
export declare const wbGenId: (prefix?: string) => string;
/** 创建画笔元素 */
export declare const createWbPenElement: (params: {
    points: {
        x: number;
        y: number;
    }[];
    stroke?: string;
    strokeWidth?: number;
    opacity?: number;
}) => WhiteboardElement;
/** 创建形状元素 */
export declare const createWbShapeElement: (params: {
    shape: WhiteboardShapeType;
    x: number;
    y: number;
    width?: number;
    height?: number;
    stroke?: string;
    fill?: string;
    strokeWidth?: number;
    opacity?: number;
}) => WhiteboardElement;
/** 创建直线元素 */
export declare const createWbLineElement: (params: {
    x1: number;
    y1: number;
    x2: number;
    y2: number;
    stroke?: string;
    strokeWidth?: number;
    opacity?: number;
    arrow?: boolean;
}) => WhiteboardElement;
/** 创建文本元素 */
export declare const createWbTextElement: (params: {
    x: number;
    y: number;
    text?: string;
    width?: number;
    height?: number;
    color?: string;
    fontSize?: number;
    opacity?: number;
}) => WhiteboardElement;
/** 统一元素工厂（按工具创建） */
export declare const createWbElement: (tool: WhiteboardTool, params: Record<string, any>) => WhiteboardElement | null;
/** 创建初始状态 */
export declare const createWbInitialState: (initialElements?: WhiteboardElement[]) => WhiteboardState;
/** 工具的 i18n 标签 */
export declare const wbToolLabel: (tool: WhiteboardTool) => string;
/** 形状的 i18n 标签 */
export declare const wbShapeLabel: (shape: WhiteboardShapeType) => string;