技術標籤：Adobe Illustrate外掛開發illustrator外掛常用功能開發隨機填色js指令碼開發AI外掛

  illustrator是向量編輯軟體，畫板是繪製處理的重要容器，在印刷方面的一個重要功能就是顏色處理，開發一個隨機填充顏色功能，以下功能僅用於學習交流，請勿用於非法用途和商業用途，原始碼如下所示：

len = app.activeDocument.selection.length;
gradAlert = 0;
strokes = false;
if (len == 0) {
    alert("Please select one or more objects. Grouped objects will not be affected."
 
);
} else {
    ob = app.activeDocument.selection;
    var line1 = "1. 要隨機填充色，輸入1-100的數值（數值越大，明度越小） ";
    var line2 = "2.要隨機輪廓色，輸入1-100的數值並以英文“S”結尾（數值越大，明度越大） ";
    var line3 = "3.要隨機不透明度，輸入1-100的最小值和最大值，如30,100 ";
    var data = prompt(line1 + line2 + line3, "");
    if
 
 (data == null || data.length == 0) {

    } else {
        if (data.indexOf(",") > 0) {
            action = data.split(",");
        } else {
            action = data.split(" ");
        }
        if (action[action.length - 1] == "s") {
            action.
 
length = action.length - 1;
            strokes = true;
        }
        if (action[action.length - 1].charAt(action[action.length - 1].length - 1) == "s") {
            action[action.length - 1] = action[action.length - 1].substr(0, action[action.length - 1].length - 1);
            strokes = true;
        }
        var baseVal = action[0];
        for (var j = 0; j < len; j += 1) {
            if (isNumber(action[0]) && isNumber(action[1]) && action.length == 2) {
                calcNum = (action[0] * 1) + (Math.random(1) * (action[1] - action[0]));
                ob[j].opacity = setLegal(calcNum);
            } else if (isNumber(action[0], 255) && action.length == 1) {
                if (app.activeDocument.documentColorSpace == "DocumentColorSpace.RGB") {
                    action[0] = Math.round(baseVal * 2.55);
                }
                if (strokes == false) {
                    if (ob[j].filled == true) {
                        setColor(ob[j].fillColor, setLegal(action[0], 255));
                    }
                } else {
                    if (ob[j].stroked == true) {
                        setColor(ob[j].strokeColor, setLegal(action[0], 255));
                    }
                }
            } else {
                j = len;
                error(action[0]);
            }
        }
    }
}

function error(val) {
    alert(val + " 數值與指令碼不符，應控制在1-100之間！");
}

function isNumber(num, max) {
    if (max == undefined) {
        max = 100;
    }
    if (num >= 0 && num <= max) {
        return true;
    }
    return false;
}

function setLegal(num, max) {
    if (max == undefined) {
        max = 100;
    }
    if (num < 0) {
        return -num % max;
    } else if (num > max) {
        return max - (num % max);
    } else {
        return num;
    }
}

function setColor(obj, dev) {
    var d = Math.round(Math.random(1) * dev);
    if (obj == undefined) {

    } else if (obj.typename == "RGBColor") {
        d = Math.round(Math.random(1) * dev);
        var r = obj.red;
        obj.red = setLegal((r - dev) + (d * 2), 255);
        d = Math.round(Math.random(1) * dev);
        var g = obj.green;
        obj.green = setLegal((g - dev) + (d * 2), 255);
        d = Math.round(Math.random(1) * dev);
        var b = obj.blue;
        obj.blue = setLegal((b - dev) + (d * 2), 255);
    } else if (obj.typename == "SpotColor") {
        var d = Math.round(Math.random(1) * dev);
        var t = obj.tint;
        obj.tint = setLegal((t - dev) + (d * 2), 100);
    } else if (obj.typename == "GrayColor") {
        var d = Math.round(Math.random(1) * dev);
        var t = obj.gray;
        obj.gray = setLegal((t - dev) + (d * 2), 100);
    } else if (obj.typename == "CMYKColor") {
        d = Math.round(Math.random(1) * dev);
        var c = obj.cyan;
        obj.cyan = setLegal((c - dev) + (d * 2), 100);
        d = Math.round(Math.random(1) * dev);
        var m = obj.magenta;
        obj.magenta = setLegal((m - dev) + (d * 2), 100);
        d = Math.round(Math.random(1) * dev);
        var y = obj.yellow;
        obj.yellow = setLegal((y - dev) + (d * 2), 100);
        d = Math.round(Math.random(1) * dev);
        var k = obj.black;
        obj.black = setLegal((k - dev) + (d * 2), 100);
    } else {
        if (gradAlert != 1 && obj.typename == "PatternColor" || obj.typename == "GradientColor") {
            gradAlert = 1;
            alert("Patterns and Gradients will not be transformed.");
        }
    }
}

  合理的指令碼程式碼可以有效的提高工作效率，減少重複勞動。

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