first commit

uni_modules/tdesign-uniapp/components/common/canvas/index.js

@@ -0,0 +1,53 @@
+export async function loadImage({
+  canvas,
+  src,
+}) {
+  let result = null;
+  if (!src || !canvas) {
+    return result;
+  }
+
+  // #ifdef MP
+  // 小程序环境：使用 canvas.createImage
+  if (canvas.createImage) {
+    result = new Promise((resolve, reject) => {
+      const img = canvas.createImage();
+      // 必须先设置 onload 和 onerror，再设置 src
+      img.onload = () => resolve(img);
+      img.onerror = (err) => {
+        console.error('创建图片对象失败:', err);
+        reject(err);
+      };
+      img.src = src;
+    });
+  }
+  // #endif
+
+  // #ifdef APP-PLUS
+  result = new Promise((resolve) => {
+    uni.getImageInfo({
+      src,
+      success: (res) => {
+        const imgPath = res.path; // 本地临时路径
+        resolve(imgPath);
+      },
+    });
+  });
+  // #endif
+
+  // #ifdef H5
+  // H5 环境：创建 Image 对象（参考 TSX 实现）
+  result = new Promise((resolve, reject) => {
+    const img = new Image();
+    img.crossOrigin = 'anonymous';
+    img.onload = () => resolve(img);
+    img.onerror = (err) => {
+      console.error('图标加载失败:', err);
+      reject(err);
+    };
+    img.src = src;
+  });
+  // #endif
+
+  return result;
+}