import type { IEncodeFeature, IModel, IModelUniform } from '@antv/l7-core';
import BaseModel from '../../core/BaseModel';
import type { IGlyphQuad } from '../../utils/symbol-layout';
export declare function TextTrianglation(feature: IEncodeFeature): {
    vertices: number[];
    indices: number[];
    size: number;
};
export default class TextModel extends BaseModel {
    protected get attributeLocation(): {
        readonly POSITION: 0;
        readonly POSITION_64LOW: 1;
        readonly COLOR: 2;
        readonly PICKING_COLOR: 3;
        readonly STROKE: 4;
        readonly OPACITY: 5;
        readonly OFFSETS: 6;
        readonly ROTATION: 7;
        readonly MAX: 8;
    } & Record<string, number> & {
        MAX: 8;
        SIZE: number;
        TEXT_OFFSETS: number;
        UV: number;
    };
    glyphInfo: IEncodeFeature[];
    glyphInfoMap: {
        [key: string]: {
            shaping: any;
            glyphQuads: IGlyphQuad[];
            centroid: number[];
        };
    };
    private rawEncodeData;
    private texture;
    private currentZoom;
    private extent;
    private textureHeight;
    private textCount;
    private preTextStyle;
    getUninforms(): IModelUniform;
    protected getCommonUniformsInfo(): {
        uniformsArray: number[];
        uniformsLength: number;
        uniformsOption: {
            [key: string]: any;
        };
    };
    initModels(): Promise<IModel[]>;
    buildModels(): Promise<IModel[]>;
    needUpdate(): Promise<boolean>;
    clearModels(): void;
    protected registerBuiltinAttributes(): void;
    private bindEvent;
    private mapping;
    private textExtent;
    /**
     * 生成文字纹理（生成文字纹理字典）
     */
    private initTextFont;
    /**
     * 生成 iconfont 纹理字典
     */
    private initIconFontTex;
    private getTextStyle;
    /**
     * 生成文字布局（对照文字纹理字典提取对应文字的位置很好信息）
     */
    private generateGlyphLayout;
    private getFontServiceMapping;
    private getFontServiceCanvas;
    /**
     * 文字避让 depend on originCentorid
     */
    private filterGlyphs;
    /**
     * 初始化文字布局
     */
    private initGlyph;
    /**
     * 更新文字纹理
     */
    private updateTexture;
    private reBuildModel;
}