OneBot: Leantime 改造版源码（BOM/Univer 表格/AI 接管/品牌替换等）

dev/DWGViewer/libs/dxf-parser/ParseHelpers.js

@@ -0,0 +1,109 @@
+import AUTO_CAD_COLOR_INDEX from './AutoCadColorIndex.js';
+/**
+ * Returns the truecolor value of the given AutoCad color index value
+ * @return {Number} truecolor value as a number
+ */
+export function getAcadColor(index) {
+    return AUTO_CAD_COLOR_INDEX[index];
+}
+/**
+ * Parses the 2D or 3D coordinate, vector, or point. When complete,
+ * the scanner remains on the last group of the coordinate.
+ * @param {*} scanner
+ */
+export function parsePoint(scanner) {
+    const point = {};
+    // Reread group for the first coordinate
+    scanner.rewind();
+    let curr = scanner.next();
+    let code = curr.code;
+    point.x = curr.value;
+    code += 10;
+    curr = scanner.next();
+    if (curr.code != code)
+        throw new Error('Expected code for point value to be ' + code +
+            ' but got ' + curr.code + '.');
+    point.y = curr.value;
+    code += 10;
+    curr = scanner.next();
+    if (curr.code != code) {
+        // Only the x and y are specified. Don't read z.
+        scanner.rewind(); // Let the calling code advance off the point
+        return point;
+    }
+    point.z = curr.value;
+    return point;
+}
+/**
+ * Attempts to parse codes common to all entities. Returns true if the group
+ * was handled by this function.
+ * @param {*} entity - the entity currently being parsed
+ * @param {*} curr - the current group being parsed
+ */
+export function checkCommonEntityProperties(entity, curr, scanner) {
+    switch (curr.code) {
+        case 0:
+            entity.type = curr.value;
+            break;
+        case 5:
+            entity.handle = curr.value;
+            break;
+        case 6:
+            entity.lineType = curr.value;
+            break;
+        case 8: // Layer name
+            entity.layer = curr.value;
+            break;
+        case 48:
+            entity.lineTypeScale = curr.value;
+            break;
+        case 60:
+            entity.visible = curr.value === 0;
+            break;
+        case 62: // Acad Index Color. 0 inherits ByBlock. 256 inherits ByLayer. Default is bylayer
+            entity.colorIndex = curr.value;
+            entity.color = getAcadColor(Math.abs(curr.value));
+            break;
+        case 67:
+            entity.inPaperSpace = curr.value !== 0;
+            break;
+        case 100:
+            //ignore
+            break;
+        case 101: // Embedded Object in ACAD 2018.
+            // See https://ezdxf.readthedocs.io/en/master/dxfinternals/dxftags.html#embedded-objects
+            while (curr.code != 0) {
+                curr = scanner.next();
+            }
+            scanner.rewind();
+            break;
+        case 330:
+            entity.ownerHandle = curr.value;
+            break;
+        case 347:
+            entity.materialObjectHandle = curr.value;
+            break;
+        case 370:
+            //From https://www.woutware.com/Forum/Topic/955/lineweight?returnUrl=%2FForum%2FUserPosts%3FuserId%3D478262319
+            // An integer representing 100th of mm, must be one of the following values:
+            // 0, 5, 9, 13, 15, 18, 20, 25, 30, 35, 40, 50, 53, 60, 70, 80, 90, 100, 106, 120, 140, 158, 200, 211.
+            // -3 = STANDARD, -2 = BYLAYER, -1 = BYBLOCK
+            entity.lineweight = curr.value;
+            break;
+        case 420: // TrueColor Color
+            entity.color = curr.value;
+            break;
+        case 1000:
+            entity.extendedData = entity.extendedData || {};
+            entity.extendedData.customStrings = entity.extendedData.customStrings || [];
+            entity.extendedData.customStrings.push(curr.value);
+            break;
+        case 1001:
+            entity.extendedData = entity.extendedData || {};
+            entity.extendedData.applicationName = curr.value;
+            break;
+        default:
+            return false;
+    }
+    return true;
+}