逐步完成前后端服务器

2025-09-09 15:00:30 +08:00
parent fcb09432e9
commit c7dfa1e9fc
2937 changed files with 1477567 additions and 0 deletions
--- a/frontend/node_modules/zrender/lib/contain/text.js
+++ b/frontend/node_modules/zrender/lib/contain/text.js
@ -0,0 +1,170 @@
+import BoundingRect from '../core/BoundingRect.js';
+import LRU from '../core/LRU.js';
+import { DEFAULT_FONT, platformApi } from '../core/platform.js';
+var textWidthCache = {};
+export function getWidth(text, font) {
+    font = font || DEFAULT_FONT;
+    var cacheOfFont = textWidthCache[font];
+    if (!cacheOfFont) {
+        cacheOfFont = textWidthCache[font] = new LRU(500);
+    }
+    var width = cacheOfFont.get(text);
+    if (width == null) {
+        width = platformApi.measureText(text, font).width;
+        cacheOfFont.put(text, width);
+    }
+    return width;
+}
+export function innerGetBoundingRect(text, font, textAlign, textBaseline) {
+    var width = getWidth(text, font);
+    var height = getLineHeight(font);
+    var x = adjustTextX(0, width, textAlign);
+    var y = adjustTextY(0, height, textBaseline);
+    var rect = new BoundingRect(x, y, width, height);
+    return rect;
+}
+export function getBoundingRect(text, font, textAlign, textBaseline) {
+    var textLines = ((text || '') + '').split('\n');
+    var len = textLines.length;
+    if (len === 1) {
+        return innerGetBoundingRect(textLines[0], font, textAlign, textBaseline);
+    }
+    else {
+        var uniondRect = new BoundingRect(0, 0, 0, 0);
+        for (var i = 0; i < textLines.length; i++) {
+            var rect = innerGetBoundingRect(textLines[i], font, textAlign, textBaseline);
+            i === 0 ? uniondRect.copy(rect) : uniondRect.union(rect);
+        }
+        return uniondRect;
+    }
+}
+export function adjustTextX(x, width, textAlign) {
+    if (textAlign === 'right') {
+        x -= width;
+    }
+    else if (textAlign === 'center') {
+        x -= width / 2;
+    }
+    return x;
+}
+export function adjustTextY(y, height, verticalAlign) {
+    if (verticalAlign === 'middle') {
+        y -= height / 2;
+    }
+    else if (verticalAlign === 'bottom') {
+        y -= height;
+    }
+    return y;
+}
+export function getLineHeight(font) {
+    return getWidth('国', font);
+}
+export function measureText(text, font) {
+    return platformApi.measureText(text, font);
+}
+export function parsePercent(value, maxValue) {
+    if (typeof value === 'string') {
+        if (value.lastIndexOf('%') >= 0) {
+            return parseFloat(value) / 100 * maxValue;
+        }
+        return parseFloat(value);
+    }
+    return value;
+}
+export function calculateTextPosition(out, opts, rect) {
+    var textPosition = opts.position || 'inside';
+    var distance = opts.distance != null ? opts.distance : 5;
+    var height = rect.height;
+    var width = rect.width;
+    var halfHeight = height / 2;
+    var x = rect.x;
+    var y = rect.y;
+    var textAlign = 'left';
+    var textVerticalAlign = 'top';
+    if (textPosition instanceof Array) {
+        x += parsePercent(textPosition[0], rect.width);
+        y += parsePercent(textPosition[1], rect.height);
+        textAlign = null;
+        textVerticalAlign = null;
+    }
+    else {
+        switch (textPosition) {
+            case 'left':
+                x -= distance;
+                y += halfHeight;
+                textAlign = 'right';
+                textVerticalAlign = 'middle';
+                break;
+            case 'right':
+                x += distance + width;
+                y += halfHeight;
+                textVerticalAlign = 'middle';
+                break;
+            case 'top':
+                x += width / 2;
+                y -= distance;
+                textAlign = 'center';
+                textVerticalAlign = 'bottom';
+                break;
+            case 'bottom':
+                x += width / 2;
+                y += height + distance;
+                textAlign = 'center';
+                break;
+            case 'inside':
+                x += width / 2;
+                y += halfHeight;
+                textAlign = 'center';
+                textVerticalAlign = 'middle';
+                break;
+            case 'insideLeft':
+                x += distance;
+                y += halfHeight;
+                textVerticalAlign = 'middle';
+                break;
+            case 'insideRight':
+                x += width - distance;
+                y += halfHeight;
+                textAlign = 'right';
+                textVerticalAlign = 'middle';
+                break;
+            case 'insideTop':
+                x += width / 2;
+                y += distance;
+                textAlign = 'center';
+                break;
+            case 'insideBottom':
+                x += width / 2;
+                y += height - distance;
+                textAlign = 'center';
+                textVerticalAlign = 'bottom';
+                break;
+            case 'insideTopLeft':
+                x += distance;
+                y += distance;
+                break;
+            case 'insideTopRight':
+                x += width - distance;
+                y += distance;
+                textAlign = 'right';
+                break;
+            case 'insideBottomLeft':
+                x += distance;
+                y += height - distance;
+                textVerticalAlign = 'bottom';
+                break;
+            case 'insideBottomRight':
+                x += width - distance;
+                y += height - distance;
+                textAlign = 'right';
+                textVerticalAlign = 'bottom';
+                break;
+        }
+    }
+    out = out || {};
+    out.x = x;
+    out.y = y;
+    out.align = textAlign;
+    out.verticalAlign = textVerticalAlign;
+    return out;
+}