Method constructor

packages/fairygui/src/text/DynamicFont.ts:129–162

(name: string, config: IDynamicFontConfig)

    public version: number = 0;

    constructor(name: string, config: IDynamicFontConfig) {
        this.name = name;
        this._fontFamily = config.fontFamily;
        this._fontSize = config.fontSize ?? 32;
        this._atlasWidth = config.atlasWidth ?? 1024;
        this._atlasHeight = config.atlasHeight ?? 1024;
        this._padding = config.padding ?? 2;

        // Create canvas
        if (typeof OffscreenCanvas !== 'undefined') {
            this._canvas = new OffscreenCanvas(this._atlasWidth, this._atlasHeight);
        } else {
            this._canvas = document.createElement('canvas');
            this._canvas.width = this._atlasWidth;
            this._canvas.height = this._atlasHeight;
        }

        const ctx = this._canvas.getContext('2d');
        if (!ctx) {
            throw new Error('Failed to create canvas context');
        }
        this._ctx = ctx;

        // Initialize canvas
        this.initCanvas();

        // Measure font metrics
        this.measureMetrics();

        // Preload common characters
        if (config.preloadChars) {
            this.requestCharacters(config.preloadChars);
        }
    }

    /**
     * Set texture upload callback