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Set or shift the Opacity value relative to the current for the selected objects
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Sergey Osokin
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Dec 12, 2021
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,240 @@ | ||
| /* | ||
| ChangeOpacity.jsx for Adobe Illustrator | ||
| Description: Set or shift the Opacity value relative to the current for the selected objects | ||
| Date: December, 2021 | ||
| Author: Sergey Osokin, email: hi@sergosokin.ru | ||
| Installation: https://github.com/creold/illustrator-scripts#how-to-run-scripts | ||
| Release notes: | ||
| 0.1 Initial version | ||
| Donate (optional): | ||
| If you find this script helpful, you can buy me a coffee | ||
| - via YooMoney https://yoomoney.ru/to/410011149615582 | ||
| - via QIWI https://qiwi.com/n/OSOKIN | ||
| - via Donatty https://donatty.com/sergosokin | ||
| - via PayPal http://www.paypal.me/osokin/usd | ||
| NOTICE: | ||
| Tested with Adobe Illustrator CC 2018-2021 (Mac), 2021 (Win). | ||
| This script is provided "as is" without warranty of any kind. | ||
| Free to use, not for sale. | ||
| Released under the MIT license. | ||
| http://opensource.org/licenses/mit-license.php | ||
| Check other author's scripts: https://github.com/creold | ||
| */ | ||
|
|
||
| //@target illustrator | ||
|
|
||
| function main () { | ||
| var SCRIPT = { | ||
| name: 'Change Opacity', | ||
| version: 'v.0.1' | ||
| }, | ||
| CFG = { | ||
| opacity: '-10', | ||
| inclContent: false, | ||
| inclMask: false, | ||
| uiOpacity: .96 // UI window opacity. Range 0-1 | ||
| }; | ||
|
|
||
| if (!documents.length) { | ||
| alert('Error\nOpen a document and try again'); | ||
| return; | ||
| } | ||
|
|
||
| if (selection.length == 0 || selection.typename == 'TextRange') { | ||
| alert('Error\nPlease select atleast one object'); | ||
| return; | ||
| } | ||
|
|
||
| // DIALOG | ||
| var dialog = new Window('dialog', SCRIPT.name + ' ' + SCRIPT.version); | ||
| dialog.alignChildren = ['fill', 'top']; | ||
| dialog.opacity = CFG.uiOpacity; | ||
|
|
||
| // Input | ||
| var input = dialog.add('panel', undefined, 'Enter opacity value');; | ||
| input.margins = [5, 15, 5, 5]; | ||
| input.alignChildren = ['fill', 'center']; | ||
|
|
||
| var group = input.add('group'); | ||
| var shiftInp = group.add('edittext', undefined, selection.length == 1 ? selection[0].opacity : CFG.opacity); | ||
| shiftInp.preferredSize.width = 120; | ||
| group.add('statictext', undefined, '%'); | ||
| var helptip = input.add('statictext', undefined, 'Use + or - sign for shift'); | ||
|
|
||
| var isContent = dialog.add('checkbox', undefined, 'Change group content'); | ||
| isContent.value = CFG.inclContent; | ||
|
|
||
| // Buttons | ||
| var btns = dialog.add('group'); | ||
| btns.orientation = 'column'; | ||
| btns.alignChildren = ['fill', 'center']; | ||
| var cancel = btns.add('button', undefined, 'Cancel', { name: 'cancel' }); | ||
| var ok = btns.add('button', undefined, 'Ok', { name: 'ok' }); | ||
|
|
||
| var copyright = dialog.add('statictext', undefined, 'Visit Github'); | ||
| copyright.justify = 'center'; | ||
|
|
||
| copyright.addEventListener('mousedown', function () { | ||
| openURL('https://github.com/creold/'); | ||
| }); | ||
|
|
||
| shiftInputNumValue(shiftInp, -100, 100); | ||
|
|
||
| cancel.onClick = dialog.close; | ||
| ok.onClick = okClick; | ||
|
|
||
| dialog.center(); | ||
| dialog.show(); | ||
|
|
||
| /** | ||
| * Use Up / Down arrow keys (+ Shift) for change value | ||
| * @param {object} item - input text field | ||
| * @param {number} min - minimal input value | ||
| */ | ||
| function shiftInputNumValue(item, min, max) { | ||
| item.addEventListener('keydown', function (kd) { | ||
| var sign = this.text.substr(0, 1) == '+' ? '+' : '', | ||
| step = ScriptUI.environment.keyboardState['shiftKey'] ? 10 : 1; | ||
| if (kd.keyName == 'Down') { | ||
| this.text = convertToNum(this.text, min) - step; | ||
| if (this.text * 1 < min) this.text = min; | ||
| if (this.text * 1 > 0) this.text = sign + this.text; | ||
| kd.preventDefault(); | ||
| } | ||
| if (kd.keyName == 'Up') { | ||
| this.text = convertToNum(this.text, min) + step; | ||
| if (this.text * 1 <= max) { | ||
| kd.preventDefault(); | ||
| } else { | ||
| this.text = max; | ||
| } | ||
| this.text = sign + this.text; | ||
| } | ||
| }); | ||
| } | ||
|
|
||
| function okClick() { | ||
| var sign = shiftInp.text.substr(0, 1); | ||
| if (sign !== '-' && sign !== '+') sign = ''; | ||
| var opValue = convertToNum(shiftInp.text, 100); | ||
|
|
||
| if (!isContent.value) { | ||
| changeOpacity(selection, sign, opValue); | ||
| } else { | ||
| var selItems = []; | ||
| getItems(selection, selItems, CFG.inclMask); | ||
| changeOpacity(selItems, sign, opValue); | ||
| } | ||
|
|
||
| dialog.close(); | ||
| } | ||
| } | ||
|
|
||
| /** | ||
| * Convert any input data to a number | ||
| * @param {string} str - input data | ||
| * @param {number} def - default value if the input data don't contain numbers | ||
| * @return {number} | ||
| */ | ||
| function convertToNum(str, def) { | ||
| // Remove unnecessary characters | ||
| str = str.replace(/,/g, '.').replace(/[^\d.-]/g, ''); | ||
| // Remove duplicate Point | ||
| str = str.split('.'); | ||
| str = str[0] ? str[0] + '.' + str.slice(1).join('') : ''; | ||
| if (isNaN(str) || str.length == 0) return parseFloat(def); | ||
| return parseFloat(str); | ||
| } | ||
|
|
||
| /** | ||
| * Get items from selection | ||
| * @param {object} collection - collection of items | ||
| * @return {array} arr - output array of single items | ||
| */ | ||
| function getItems(collection, arr, inclMask) { | ||
| for (var i = 0, iLen = collection.length; i < iLen; i++) { | ||
| var currItem = collection[i]; | ||
| try { | ||
| switch (currItem.typename) { | ||
| case 'GroupItem': | ||
| getItems(currItem.pageItems, arr, inclMask); | ||
| break; | ||
| default: | ||
| if (inclMask || (!inclMask && !isClippingPath(currItem))) arr.push(currItem); | ||
| break; | ||
| } | ||
| } catch (e) {} | ||
| } | ||
| } | ||
|
|
||
| /** | ||
| * Check clipping mask | ||
| * @param {object} item - item inside clipping group | ||
| * @return {boolean} item is clipping mask | ||
| */ | ||
| function isClippingPath(item) { | ||
| var clipText = (item.typename === 'TextFrame' && | ||
| item.textRange.characterAttributes.fillColor == '[NoColor]' && | ||
| item.textRange.characterAttributes.strokeColor == '[NoColor]'); | ||
| return (item.typename === 'CompoundPathItem' && item.pathItems[0].clipping) || | ||
| item.clipping || clipText; | ||
| } | ||
|
|
||
| /** | ||
| * Set opacity value | ||
| * @param {array} items - array of items | ||
| * @param {string} sign - plus or minus sign | ||
| * @param {number} value - opacity value | ||
| */ | ||
| function changeOpacity(items, sign, value) { | ||
| var zeroOpacity = []; | ||
|
|
||
| for (var i = 0, len = items.length; i < len; i++) { | ||
| var currItem = items[i]; | ||
| try { | ||
| if (sign == '') { | ||
| currItem.opacity = value; | ||
| } else { | ||
| if (currItem.opacity + value > 100) currItem.opacity = 100; | ||
| if (currItem.opacity + value < 0) { | ||
| currItem.opacity = 0; | ||
| zeroOpacity.push(currItem); | ||
| } | ||
| currItem.opacity += value; | ||
| } | ||
| } catch (e) {} | ||
| } | ||
|
|
||
| // Select items with now zero opacity | ||
| if (zeroOpacity.length > 0) { | ||
| redraw(); | ||
| var isConfirm = confirm(zeroOpacity.length + ' items now have zero opacity. Select them?'); | ||
| if (isConfirm) { | ||
| selection = null; | ||
| for (var j = 0, zLen = zeroOpacity.length; j < zLen; j++) zeroOpacity[j].selected = true; | ||
| } | ||
| } | ||
| } | ||
|
|
||
| /** | ||
| * Open link in browser | ||
| * @param {string} url - website adress | ||
| */ | ||
| function openURL(url) { | ||
| var html = new File(Folder.temp.absoluteURI + '/aisLink.html'); | ||
| html.open('w'); | ||
| var htmlBody = '<html><head><META HTTP-EQUIV=Refresh CONTENT="0; URL=' + url + '"></head><body> <p></body></html>'; | ||
| html.write(htmlBody); | ||
| html.close(); | ||
| html.execute(); | ||
| } | ||
|
|
||
| try { | ||
| main(); | ||
| } catch (e) {} |