文章目录
1.算法程序2.作者答疑1.算法程序
illustrator是矢量编辑软件，画板是绘制处理的重要容器，在印刷方面的一个重要功能就是标注尺寸，开发一个尺寸标注功能，以下功能仅用于学习交流，请勿用于非法用途，源代码如下所示：
if (app.documents.length > 0) {var doc = activeDocument;var selectedItems = parseInt(doc.selection.length, 10) || 0;var setUnits = true;var defaultUnits = $.getenv("Specify_defaultUnits") ? convertToBoolean($.getenv("Specify_defaultUnits")) : setUnits;var setFontSize = 10;var defaultFontSize = $.getenv("Specify_defaultFontSize") ? convertToUnits($.getenv("Specify_defaultFontSize")).toFixed(3) : setFontSize;var setRed = 255;var defaultColorRed = $.getenv("Specify_defaultColorRed") ? $.getenv("Specify_defaultColorRed") : setRed;var setGreen = 0;var defaultColorGreen = $.getenv("Specify_defaultColorGreen") ? $.getenv("Specify_defaultColorGreen") : setGreen;var setBlue = 0;var defaultColorBlue = $.getenv("Specify_defaultColorBlue") ? $.getenv("Specify_defaultColorBlue") : setBlue;var setDecimals = 2;var defaultDecimals = $.getenv("Specify_defaultDecimals") ? $.getenv("Specify_defaultDecimals") : setDecimals;var specifyDialogBox = new Window("dialog", "尺寸标注");specifyDialogBox.alignChildren = "left";dimensionPanel = specifyDialogBox.add("panel", undefined, "选择需标注的位置");dimensionPanel.orientation = "column";dimensionPanel.alignment = "left";dimensionPanel.margins = [20, 10, 35, 10];dimensionGroup = dimensionPanel.add("group");dimensionGroup.orientation = "row";topCheckbox = dimensionGroup.add("checkbox", undefined, "上").helpTip = "标注对象的上边.";topCheckbox.value = false;rightCheckbox = dimensionGroup.add("checkbox", undefined, "右").helpTip = "标注对象的右边.";rightCheckbox.value = false;bottomCheckbox = dimensionGroup.add("checkbox", undefined, "下").helpTip = "标注对象的下边.";bottomCheckbox.value = false;leftCheckbox = dimensionGroup.add("checkbox", undefined, "左").helpTip = "标注对象的左边.";leftCheckbox.value = false;selectAllGroup = dimensionPanel.add("group");selectAllGroup.orientation = "row";selectAllCheckbox = selectAllGroup.add("checkbox", undefined, "标注四边").helpTip = "标注对象的四边.";selectAllCheckbox.value = false;selectAllCheckbox.onClick = function() {if (selectAllCheckbox.value) {topCheckbox.value = true;topCheckbox.enabled = false;rightCheckbox.value = true;rightCheckbox.enabled = false;bottomCheckbox.value = true;bottomCheckbox.enabled = false;leftCheckbox.value = true;leftCheckbox.enabled = false;} else {topCheckbox.value = false;topCheckbox.enabled = true;rightCheckbox.value = false;rightCheckbox.enabled = true;bottomCheckbox.value = false;bottomCheckbox.enabled = true;leftCheckbox.value = false;leftCheckbox.enabled = true;}};optionsPanel = specifyDialogBox.add("panel", undefined, "选项");optionsPanel.orientation = "column";optionsPanel.margins = 10;optionsPanel.alignChildren = "left";units = optionsPanel.add("checkbox", undefined, "标注时标上单位标签").helpTip = "选中时，将标签旁边插入\n输出尺寸.\n例: 220 mm";units.value = defaultUnits;if (selectedItems == 2) {between = optionsPanel.add("checkbox", undefined, "对象间隔间尺寸").helpTip = "选中时，对象间隔的距离\n所选尺寸的2个对象.";between.value = false;}fontGroup = optionsPanel.add("group");fontGroup.orientation = "row";fontLabel = fontGroup.add("statictext", undefined, "字体大小:");fontSizeInput = fontGroup.add("edittext", undefined, defaultFontSize).helpTip = "输入尺寸标签所需的字体大小.\n默认: " + setFontSize;fontUnitsLabelText = "";switch (doc.rulerUnits) {case RulerUnits.Picas:fontUnitsLabelText = "pc";break;case RulerUnits.Inches:fontUnitsLabelText = "in";break;case RulerUnits.Millimeters:fontUnitsLabelText = "mm";break;case RulerUnits.Centimeters:fontUnitsLabelText = "cm";break;case RulerUnits.Pixels:fontUnitsLabelText = "px";break;default:fontUnitsLabelText = "pt";}fontUnitsLabel = fontGroup.add("statictext", undefined, fontUnitsLabelText);fontSizeInput.characters = 5;fontSizeInput.onActivate = function() {restoreDefaultsButton.enabled = true;};colorGroup = optionsPanel.add("group");colorGroup.orientation = "row";colorLabel = colorGroup.add("statictext", undefined, "标签颜色 (RGB):");colorInputRed = colorGroup.add("edittext", undefined, defaultColorRed).helpTip = "输入要用于尺寸标签的RGB红色值.\n默认: " + setRed;colorInputRed.characters = 3;colorInputGreen = colorGroup.add("edittext", undefined, defaultColorGreen).helpTip = "输入用于尺寸标签的RGB绿色颜色值.\n默认: " + setGreen;colorInputGreen.characters = 3;colorInputBlue = colorGroup.add("edittext", undefined, defaultColorBlue).helpTip = "输入要用于尺寸标签的RGB蓝色颜色值.\n默认: " + setBlue;colorInputBlue.characters = 3;colorInputRed.onActivate = function() {restoreDefaultsButton.enabled = true;};colorInputGreen.onActivate = function() {restoreDefaultsButton.enabled = true;};colorInputBlue.onActivate = function() {restoreDefaultsButton.enabled = true;};decimalPlacesGroup = optionsPanel.add("group");decimalPlacesGroup.orientation = "row";decimalPlacesLabel = decimalPlacesGroup.add("statictext", undefined, "显示小数点:");decimalPlacesInput = decimalPlacesGroup.add("edittext", undefined, defaultDecimals).helpTip = "输入所需的数量的小数点后\n显示在标签的尺寸.\n默认: " + setDecimals;decimalPlacesInput.characters = 4;decimalPlacesInput.onActivate = function() {restoreDefaultsButton.enabled = true;};infoText = optionsPanel.add("statictext", undefined, "尺寸标注");infoText.margins = 0;infoText.enabled = false;infoText = optionsPanel.add("statictext", undefined, "广州知了软件有限公司");infoText.margins = 0;infoText.enabled = false;infoText = optionsPanel.add("statictext", undefined, "18928899728");infoText.margins = 0;infoText.enabled = false;restoreDefaultsButton = optionsPanel.add("button", undefined, "恢复默认值");restoreDefaultsButton.alignment = "left";restoreDefaultsButton.enabled = setFontSize != defaultFontSize || setRed != defaultColorRed || setGreen != defaultColorGreen || setBlue != defaultColorBlue || setDecimals != defaultDecimals ? true : false;restoreDefaultsButton.onClick = function() {restoreDefaults();};function restoreDefaults() {units.value = setUnits;fontSizeInput.text = setFontSize;colorInputRed.text = setRed;colorInputGreen.text = setGreen;colorInputBlue.text = setBlue;decimalPlacesInput.text = setDecimals;restoreDefaultsButton.enabled = false;$.setenv("Specify_defaultUnits", "");$.setenv("Specify_defaultFontSize", "");$.setenv("Specify_defaultColorRed", "");$.setenv("Specify_defaultColorGreen", "");$.setenv("Specify_defaultColorBlue", "");$.setenv("Specify_defaultDecimals", "");}buttonGroup = specifyDialogBox.add("group");buttonGroup.orientation = "row";buttonGroup.alignment = "right";buttonGroup.margins = [0, 0, 0, 0];cancelButton = buttonGroup.add("button", undefined, "关闭");cancelButton.size = [50, 30];cancelButton.onClick = function() {specifyDialogBox.close();};specifyButton = buttonGroup.add("button", undefined, "标注对象");specifyButton.size = [160, 30];specifyDialogBox.defaultElement = specifyButton;specifyButton.onClick = function() {startSpec();};try {var specsLayer = doc.layers.SPECS;} catch (err) {var specsLayer = doc.layers.add();specsLayer.name = "标注";}var color = new RGBColor();var gap = 4;var size = 6;function startSpec() {var objectsToSpec = new Array();for (var index = doc.selection.length - 1; index >= 0; index--) {objectsToSpec[index] = doc.selection[index];}var top = topCheckbox.value;var left = leftCheckbox.value;var right = rightCheckbox.value;var bottom = bottomCheckbox.value;fontSizeInput.active = false;var validFontSize = /^[0-9]{1,3}(\.[0-9]{1,3})?$/.test(fontSizeInput.text);var validRedColor = /^[0-9]{1,3}$/.test(colorInputRed.text);var validGreenColor = /^[0-9]{1,3}$/.test(colorInputGreen.text);var validBlueColor = /^[0-9]{1,3}$/.test(colorInputBlue.text);if (validRedColor && validGreenColor && validBlueColor) {color.red = colorInputRed.text;color.green = colorInputGreen.text;color.blue = colorInputBlue.text;$.setenv("Specify_defaultColorRed", color.red);$.setenv("Specify_defaultColorGreen", color.green);$.setenv("Specify_defaultColorBlue", color.blue);}var validDecimalPlaces = /^[0-4]{1}$/.test(decimalPlacesInput.text);if (validDecimalPlaces) {decimals = decimalPlacesInput.text;$.setenv("Specify_defaultDecimals", decimals);}if (selectedItems < 1) {beep();alert("请至少选择1个对象，然后重试.");specifyDialogBox.close();} else if (!top && !left && !right && !bottom) {beep();alert("请选择至少1边.");} else if (!validFontSize) {beep();alert("请输入有效的字体大小. \n0.002 - 999.999");fontSizeInput.active = true;fontSizeInput.text = setFontSize;} else if (parseFloat(fontSizeInput.text, 10) <= 0.001) {beep();alert("字体大小必须大于 0.001.");fontSizeInput.active = true;} else if (!validRedColor || !validGreenColor || !validBlueColor) {beep();alert("请输入有效的RGB颜色.");colorInputRed.active = true;colorInputRed.text = defaultColorRed;colorInputGreen.text = defaultColorGreen;colorInputBlue.text = defaultColorBlue;} else if (!validDecimalPlaces) {beep();alert("小数位必须在 0~4之间.");decimalPlacesInput.active = true;decimalPlacesInput.text = setDecimals;} else if (selectedItems == 2 && between.value) {if (top) {specDouble(objectsToSpec[0], objectsToSpec[1], "Top")}if (left) {specDouble(objectsToSpec[0], objectsToSpec[1], "Left")}if (right) {specDouble(objectsToSpec[0], objectsToSpec[1], "Right")}if (bottom) {specDouble(objectsToSpec[0], objectsToSpec[1], "Bottom")}specifyDialogBox.close();} else {for (var objIndex = objectsToSpec.length - 1; objIndex >= 0; objIndex--) {if (top) {specSingle(objectsToSpec[objIndex].geometricBounds, "Top")}if (left) {specSingle(objectsToSpec[objIndex].geometricBounds, "Left")}if (right) {specSingle(objectsToSpec[objIndex].geometricBounds, "Right")}if (bottom) {specSingle(objectsToSpec[objIndex].geometricBounds, "Bottom")}}specifyDialogBox.close();}}function specSingle(bound, where) {specsLayer.locked = false;var w = bound[2] - bound[0];var h = bound[1] - bound[3];var a = bound[0];var b = bound[2];var c = bound[1];var xy = "x";var dir = 1;switch (where) {case "Top":a = bound[0];b = bound[2];c = bound[1];xy = "x";dir = 1;break;case "Right":a = bound[1];b = bound[3];c = bound[2];xy = "y";dir = 1;break;case "Bottom":a = bound[0];b = bound[2];c = bound[3];xy = "x";dir = -1;break;case "Left":a = bound[1];b = bound[3];c = bound[0];xy = "y";dir = -1;break;}var lines = new Array();if (xy == "x") {lines[0] = new Array(new Array(a, c + (gap * dir)));lines[0].push(new Array(a, c + ((gap + size) * dir)));lines[1] = new Array(new Array(b, c + (gap * dir)));lines[1].push(new Array(b, c + ((gap + size) * dir)));lines[2] = new Array(new Array(a, c + ((gap + (size / 2)) * dir)));lines[2].push(new Array(b, c + ((gap + (size / 2)) * dir)));if (where == "Top") {var t = specLabel(w, (a + b) / 2, lines[0][1][1], color);t.top += t.height;} else {var t = specLabel(w, (a + b) / 2, lines[0][0][1], color);t.top -= size;}t.left -= (t.width / 2);} else {lines[0] = new Array(new Array(c + (gap * dir), a));lines[0].push(new Array(c + ((gap + size) * dir), a));lines[1] = new Array(new Array(c + (gap * dir), b));lines[1].push(new Array(c + ((gap + size) * dir), b));lines[2] = new Array(new Array(c + ((gap + (size / 2)) * dir), a));lines[2].push(new Array(c + ((gap + (size / 2)) * dir), b));if (where == "Left") {var t = specLabel(h, lines[0][1][0], (a + b) / 2, color);t.left -= t.width;t.rotate(90, true, false, false, false, Transformation.BOTTOMRIGHT);t.top += t.width;t.top += (t.height / 2);} else {var t = specLabel(h, lines[0][1][0], (a + b) / 2, color);t.rotate(-90, true, false, false, false, Transformation.BOTTOMLEFT);t.top += t.width;t.top += (t.height / 2);}}var specgroup = new Array(t);for (var i = 0; i < lines.length; i += 1) {var p = doc.pathItems.add();p.setEntirePath(lines[i]);p.strokeDashes = [];setLineStyle(p, color);specgroup.push(p);}group(specsLayer, specgroup);specsLayer.locked = true;}function specDouble(item1, item2, where) {var bound = new Array(0, 0, 0, 0);var a = item1.geometricBounds;var b = item2.geometricBounds;if (where == "Top" || where == "Bottom") {if (b[0] > a[0]) {if (b[0] > a[2]) {bound[0] = a[2];bound[2] = b[0];} else {bound[0] = b[0];bound[2] = a[2];}} else {if (a[0] >= b[0]) {if (a[0] > b[2]) {bound[0] = b[2];bound[2] = a[0];} else {bound[0] = a[0];bound[2] = b[2];}}}bound[1] = Math.max(a[1], b[1]);bound[3] = Math.min(a[3], b[3]);} else {if (b[3] > a[3]) {if (b[3] > a[1]) {bound[3] = a[1];bound[1] = b[3];} else {bound[3] = b[3];bound[1] = a[1];}} else {if (a[3] >= b[3]) {if (a[3] > b[1]) {bound[3] = b[1];bound[1] = a[3];} else {bound[3] = a[3];bound[1] = b[1];}}}bound[0] = Math.min(a[0], b[0]);bound[2] = Math.max(a[2], b[2]);}specSingle(bound, where);}function specLabel(val, x, y, color) {var t = doc.textFrames.add();if (parseFloat(fontSizeInput.text) > 0) {labelFontSize = parseFloat(fontSizeInput.text);} else {labelFontSize = defaultFontSize;}var labelFontInUnits = convertToPoints(labelFontSize);$.setenv("Specify_defaultFontSize", labelFontInUnits);t.textRange.characterAttributes.size = labelFontInUnits;t.textRange.characterAttributes.alignment = StyleRunAlignmentType.center;t.textRange.characterAttributes.fillColor = color;var displayUnitsLabel = units.value;$.setenv("Specify_defaultUnits", displayUnitsLabel);var v = val;var unitsLabel = "";switch (doc.rulerUnits) {case RulerUnits.Picas:v = new UnitValue(v, "pt").as("pc");var vd = v - Math.floor(v);vd = 12 * vd;v = Math.floor(v) + "p" + vd.toFixed(decimals);break;case RulerUnits.Inches:v = new UnitValue(v, "pt").as("in");v = v.toFixed(decimals);unitsLabel = " in";break;case RulerUnits.Millimeters:v = new UnitValue(v, "pt").as("mm");v = v.toFixed(decimals);unitsLabel = " mm";break;case RulerUnits.Centimeters:v = new UnitValue(v, "pt").as("cm");v = v.toFixed(decimals);unitsLabel = " cm";break;case RulerUnits.Pixels:v = new UnitValue(v, "pt").as("px");v = v.toFixed(decimals);unitsLabel = " px";break;default:v = new UnitValue(v, "pt").as("pt");v = v.toFixed(decimals);unitsLabel = " pt";}if (displayUnitsLabel) {t.contents = v + unitsLabel;} else {t.contents = v;}t.top = y;t.left = x;return t;}function convertToBoolean(string) {switch (string.toLowerCase()) {case "true":return true;break;case "false":return false;break;}}function setLineStyle(path, color) {path.filled = false;path.stroked = true;path.strokeColor = color;path.strokeWidth = 0.5;return path;}function group(layer, items, isDuplicate) {var gg = layer.groupItems.add();for (var i = items.length - 1; i >= 0; i--) {if (items[i] != gg) {if (isDuplicate) {newItem = items[i].duplicate(gg, ElementPlacement.PLACEATBEGINNING);} else {items[i].move(gg, ElementPlacement.PLACEATBEGINNING);}}}return gg;}function convertToPoints(value) {switch (doc.rulerUnits) {case RulerUnits.Picas:value = new UnitValue(value, "pc").as("pt");break;case RulerUnits.Inches:value = new UnitValue(value, "in").as("pt");break;case RulerUnits.Millimeters:value = new UnitValue(value, "mm").as("pt");break;case RulerUnits.Centimeters:value = new UnitValue(value, "cm").as("pt");break;case RulerUnits.Pixels:value = new UnitValue(value, "px").as("pt");break;default:value = new UnitValue(value, "pt").as("pt");}return value;}function convertToUnits(value) {switch (doc.rulerUnits) {case RulerUnits.Picas:value = new UnitValue(value, "pt").as("pc");break;case RulerUnits.Inches:value = new UnitValue(value, "pt").as("in");break;case RulerUnits.Millimeters:value = new UnitValue(value, "pt").as("mm");break;case RulerUnits.Centimeters:value = new UnitValue(value, "pt").as("cm");break;case RulerUnits.Pixels:value = new UnitValue(value, "pt").as("px");break;default:value = new UnitValue(value, "pt").as("pt");}return value;}switch (selectedItems) {case 0:beep();alert("请至少选择1个对象，然后重试.");break;default:specifyDialogBox.show();break;}} else {alert("没有要指定的对象. \n请打开文档继续.");}
2.作者答疑
如有疑问，请留言。
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提示： 作者知了-联系方式2
