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fix: 裁剪图像参数校验与字段说明(源图片路径/坐标语义), 空路径与无效区域给明确报错

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yu 2026-11-03 13:50:46 +08:00
parent 6b54decfb0
commit fe0c6c2790
2 changed files with 12 additions and 7 deletions
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12
resources/catalog.json
View File

@ -68257,14 +68257,14 @@
"fields": [
{
"key": "file_path",
"label": "图片地址",
"label": "源图片地址",
"widget": "file",
"type": "object",
"displayType": "selectFile",
"required": true,
"defaultValue": "",
"placeholder": "请输入或选择文件路径",
"description": "图片文件的完整路径，用于匹配或识别；点右侧按钮选择文件",
"description": "要被裁剪的源图片完整路径——本组件从已有图片文件中裁出区域，不是截屏；截屏请用「截图图像」组件",
"advanced": false,
"valueTypes": [
"rpa_str_file",
@ -68296,7 +68296,7 @@
"required": true,
"defaultValue": "1",
"placeholder": "请输入坐标点",
"description": "填写参数值，支持 ${变量} 引用上游输出",
"description": "裁剪区域左上角的 x 坐标（图片上的像素）",
"advanced": false,
"valueTypes": [
"rpa_int"
@ -68311,7 +68311,7 @@
"required": true,
"defaultValue": "1",
"placeholder": "请输入坐标点",
"description": "填写参数值，支持 ${变量} 引用上游输出",
"description": "裁剪区域右下角的 x 坐标，需大于起点 x",
"advanced": false,
"valueTypes": [
"rpa_int"
@ -68326,7 +68326,7 @@
"required": true,
"defaultValue": "1",
"placeholder": "请输入坐标点",
"description": "填写参数值，支持 ${变量} 引用上游输出",
"description": "裁剪区域左上角的 y 坐标（图片上的像素）",
"advanced": false,
"valueTypes": [
"rpa_int"
@ -68341,7 +68341,7 @@
"required": true,
"defaultValue": "1",
"placeholder": "请输入坐标点",
"description": "填写参数值，支持 ${变量} 引用上游输出",
"description": "裁剪区域右下角的 y 坐标，需大于起点 y",
"advanced": false,
"valueTypes": [
"rpa_int"

7
src/main/capabilities/remaining-core.ts
View File

@ -171,8 +171,13 @@ register("Image_Base64Decode", async (_ctx, _node, args) => {
fs.mkdirSync(path.dirname(file), { recursive: true }); fs.writeFileSync(file, Buffer.from(value, "base64")); return file;
});
register("Image_CropImg", async (_ctx, node, args) => {
const input = path.resolve(text(args, ["file_path", "imagePath", "path"])); const output = path.resolve(text(args, ["output"], input.replace(/(\.[^.]+)$/, "-crop$1")));
const rawInput = text(args, ["file_path", "imagePath", "path"]);
if (!rawInput.trim()) throw new RuntimeError("validation_error", "图片地址不能为空", { nodeId: node.id, componentId: node.componentId, recommendation: "填写要裁剪的源图片完整路径（如 D:\\images\\shot.png），该组件是从已有图片文件里裁剪区域，不是截屏" });
const input = path.resolve(rawInput);
if (!fs.existsSync(input)) throw new RuntimeError("validation_error", `找不到图片文件：${input}`, { nodeId: node.id, componentId: node.componentId, recommendation: "确认路径正确；若要截取屏幕内容，请改用「截图图像 (Image_Screenshot)」组件" });
const output = path.resolve(text(args, ["output"], input.replace(/(\.[^.]+)$/, "-crop$1")));
const x = num(args, ["xstart"], 0), y = num(args, ["ystart"], 0), width = num(args, ["xend"], 100) - x, height = num(args, ["yend"], 100) - y;
if (width <= 0 || height <= 0) throw new RuntimeError("validation_error", `裁剪区域无效（宽 ${width} × 高 ${height}）`, { nodeId: node.id, componentId: node.componentId, recommendation: "终点坐标需要大于起点坐标（单位是图片上的像素）" });
fs.mkdirSync(path.dirname(output), { recursive: true });
await powershell(`Add-Type -AssemblyName System.Drawing;$image=[System.Drawing.Image]::FromFile(${psString(input)});$rect=New-Object System.Drawing.Rectangle(${x},${y},${width},${height});$bitmap=New-Object System.Drawing.Bitmap($rect.Width,$rect.Height);$graphics=[System.Drawing.Graphics]::FromImage($bitmap);$graphics.DrawImage($image,New-Object System.Drawing.Rectangle(0,0,$rect.Width,$rect.Height),$rect,[System.Drawing.GraphicsUnit]::Pixel);$bitmap.Save(${psString(output)});$graphics.Dispose();$bitmap.Dispose();$image.Dispose()`);
return output;