zoom-image-data/dist/index.d.ts

zoom-image-data

import { TransferToWindow } from 'transfer-to-window';
type ConstructorParam = ConstructorParameters<typeof TransferToWindow>[0];
type param = ConstructorParam & {
    /** 输入数据 */
    inData: ArrayBuffer;
    /** 输出数据 */
    outData: ArrayBuffer;
    /** 单元格宽高比例; 默认值: 1 */
    cellRatio?: number;
    /** 单元格基础尺寸; 默认值: 10 */
    cellWH?: number;
    /** 各单元格之间有分割线; 默认值: false */
    splitCell?: boolean;
    /** 单元格分割线的像素值; 默认值: 2 */
    splitCellSize?: number;
};
declare class ZoomImageData extends TransferToWindow {
    /** 输入源数据 */
    sourceData: Uint32Array;
    /** 输入源数据宽 */
    sourceW: number;
    /** 输入源数据高 */
    sourceH: number;
    /** 输出数据 */
    outData: Uint32Array;
    /** 各单元格之间有分割线; 默认值: false */
    splitCell: boolean;
    /** 单元格分割线的像素值; 默认值: 2 */
    splitCellSize: number;
    constructor(param: param);
    /**
     * Update outputData
     */
    update(): void;
    /**
     * Translate on outdata
     * @param dx
     * @param dy
     * @param silent Whether update outData
     */
    translate(dx: number, dy: number, silent?: boolean): void;
    /**
     * Scale ratio multiple at position(cx,cy) on outdata
     * @param cx
     * @param cy
     * @param ratio
     * @param silent Whether update outData
     */
    zoom(cx: number, cy: number, ratio: number, silent?: boolean): void;
    /**
     * 以InCoor：(cx,cy)为中心缩放到scale比例
     * @param cx
     * @param cy
     * @param scale
     * @param silent 是否更新outData
     */
    zoomToByInCoor(cx: number, cy: number, scale: number, silent?: boolean): void;
    /**
     * 将输入数据完整放置于输出窗口的正中间；效果类似于CSS效果：
     *    background-size: contain;
     *    background-repeat: no-repeat;
     *    background-position: center;
     * @param silent Whether update outData
     */
    resize(silent?: boolean): void;
    /**
     * 坐标(x,y)是否位于输入视框内
     */
    inCoorIsIn(x: number, y: number): boolean;
}
export { ZoomImageData, ZoomImageData as default };