@openglobus/og
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[openglobus](https://www.openglobus.org/) is a javascript/typescript library designed to display interactive 3d maps and planets with map tiles, imagery and vector data, markers, and 3D objects. It uses the WebGL technology, open source, and completely fr
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TypeScript
import { Deferred } from '../Deferred';
import { Rectangle } from '../Rectangle';
import { TextureAtlas, TextureAtlasNode } from './TextureAtlas';
import { Handler } from "../webgl/Handler";
import type { HTMLImageElementExt } from "./ImagesCacheManager";
interface IChar {
id: number;
char: string;
width: number;
height: number;
x: number;
y: number;
chnl: number;
index: number;
page: number;
xadvance: number;
xoffset: number;
yoffset: number;
}
interface IKerning {
first: number;
second: number;
amount: number;
}
export interface IFontParams {
common: {
scaleH: number;
scaleW: number;
};
info: {
size: number;
};
distanceField: {
distanceRange: number;
};
chars: IChar[];
kernings: IKerning[];
pages: string[];
}
declare class FontTextureAtlas extends TextureAtlas {
width: number;
height: number;
gliphSize: number;
distanceRange: number;
nodes: Map<number, FontTextureAtlasNode>;
kernings: Record<number, Record<number, number>>;
constructor(width?: number, height?: number);
get(key: number): FontTextureAtlasNode | undefined;
}
interface IMetrics extends IChar {
nChar: string;
nCode: number;
nWidth: number;
nHeight: number;
nAdvance: number;
nXOffset: number;
nYOffset: number;
}
declare class FontTextureAtlasNode extends TextureAtlasNode {
metrics: IMetrics;
emptySize: number;
constructor(rect: Rectangle, texCoords: number[]);
}
declare class FontAtlas {
atlasesArr: FontTextureAtlas[];
samplerArr: Uint32Array;
sdfParamsArr: Float32Array;
catalogSrc: string;
protected atlasIndexes: Record<string, number>;
protected atlasIndexesDeferred: Record<string, Deferred<number>>;
protected tokenImageSize: number;
protected _handler: Handler | null;
constructor(catalogSrc?: string);
assignHandler(handler: Handler): void;
getFontIndex(face: string): Promise<number>;
getFullIndex(face: string): string;
protected _applyFontDataToAtlas(atlas: FontTextureAtlas, data: IFontParams, index?: number): void;
initFont(faceName: string, dataJson: IFontParams, imageBase64: string): void;
protected _createTexture(atlas: FontTextureAtlas, img: HTMLImageElementExt): void;
loadFont(faceName: string, srcDir: string, atlasUrl: string): void;
}
export { FontAtlas };