nativescript-image-black-and-white/image-black-and-white.android.js

A NativeScript plugin to apply a black-and-white filter on Image.

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
var ImageBlackAndWhite = (function () {
    function ImageBlackAndWhite() {
    }
    ImageBlackAndWhite.prototype.blackAndWhite = function (img) {
        if (img.isLoading) {
            console.log('WARNING: Cannot apply filter if image is not yet loaded.');
        }
        var matrix = new android.graphics.ColorMatrix();
        matrix.setSaturation(0);
        var filter = new android.graphics.ColorMatrixColorFilter(matrix);
        img.android.setColorFilter(filter);
    };
    ImageBlackAndWhite.prototype.clearFilter = function (img) {
        if (img.isLoading) {
            console.log('WARNING: Cannot remove filter if image is not yet loaded.');
        }
        var imageView = img.android;
        if (imageView) {
            imageView.clearColorFilter();
        }
    };
    return ImageBlackAndWhite;
}());
exports.ImageBlackAndWhite = ImageBlackAndWhite;
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