@bsj/angular-image-picker/dist/filters.js

Angular image picker

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
/*
* Built in canvas filters
*/
exports.Filters = {
    effects: {},
    ensureRGBRange: function (v) {
        if (isNaN(v)) {
            console.log('V is undefined', v);
        }
        if (v < 0) {
            return 0;
        }
        else if (v > 255) {
            return 255;
        }
        return v;
    }
};
exports.Filters.effects['Grey'] = function (imageData) {
    var d = imageData.data;
    for (var i = 0; i < d.length; i += 4) {
        var r = d[i];
        var g = d[i + 1];
        var b = d[i + 2];
        var v = 0.2126 * r + 0.7152 * g + 0.0722 * b;
        d[i] = d[i + 1] = d[i + 2] = v;
    }
};
exports.Filters.effects['Light-Grey'] = function (imageData) {
    var d = imageData.data;
    for (var i = 0; i < d.length; i += 4) {
        var r = d[i];
        var g = d[i + 1];
        var b = d[i + 2];
        var v = 0.2126 * r + 0.7152 * g + 0.0722 * b;
        d[i] = d[i + 1] = d[i + 2] = v;
        d[i] += d[i];
        d[i + 1] += d[i + 1];
        d[i + 2] += d[i + 2];
    }
};
exports.Filters.effects['Redscale'] = function (imageData, adjustment) {
    var d = imageData.data;
    for (var i = 0; i < d.length; i += 4) {
        var r = d[i];
        d[i] = exports.Filters.ensureRGBRange(r + adjustment);
        d[i + 1] += d[i + 1];
        d[i + 2] += d[i + 2];
    }
};
exports.Filters.effects['Greenscale'] = function (imageData, adjustment) {
    var d = imageData.data;
    for (var i = 0; i < d.length; i += 4) {
        var g = d[i + 1];
        d[i] = d[i];
        d[i + 1] += exports.Filters.ensureRGBRange(g + adjustment);
        d[i + 2] += d[i + 2];
    }
};
exports.Filters.effects['Bluescale'] = function (imageData, adjustment) {
    var d = imageData.data;
    for (var i = 0; i < d.length; i += 4) {
        var b = d[i + 2];
        d[i] = d[i];
        d[i + 1] += d[i + 1];
        d[i + 2] += exports.Filters.ensureRGBRange(b + adjustment);
    }
};
exports.Filters.effects['Brightness'] = function (imageData, adjustment) {
    var d = imageData.data;
    for (var i = 0; i < d.length; i += 4) {
        var r = d[i];
        var g = d[i + 1];
        var b = d[i + 2];
        d[i] += exports.Filters.ensureRGBRange(r + adjustment);
        d[i + 1] += exports.Filters.ensureRGBRange(g + adjustment);
        d[i + 2] += exports.Filters.ensureRGBRange(b + adjustment);
    }
};
exports.Filters.effects['Manual'] = function (imageData, adjustment, blueScaleAdjustment, greenScaleAdjustment, redScaleAdjustment) {
    if (blueScaleAdjustment === void 0) { blueScaleAdjustment = -255; }
    if (greenScaleAdjustment === void 0) { greenScaleAdjustment = -255; }
    if (redScaleAdjustment === void 0) { redScaleAdjustment = -255; }
    var d = imageData.data;
    for (var i = 0; i < d.length; i += 4) {
        var r = d[i];
        var g = d[i + 1];
        var b = d[i + 2];
        d[i] += exports.Filters.ensureRGBRange(r + redScaleAdjustment);
        d[i + 1] += exports.Filters.ensureRGBRange(r + greenScaleAdjustment);
        d[i + 2] += exports.Filters.ensureRGBRange(r + blueScaleAdjustment);
    }
};
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