更新

TongjiUniApp/node_modules/@jimp/utils/src/index.js

@@ -0,0 +1,55 @@
+export function isNodePattern(cb) {
+  if (typeof cb === 'undefined') {
+    return false;
+  }
+
+  if (typeof cb !== 'function') {
+    throw new TypeError('Callback must be a function');
+  }
+
+  return true;
+}
+
+export function throwError(error, cb) {
+  if (typeof error === 'string') {
+    error = new Error(error);
+  }
+
+  if (typeof cb === 'function') {
+    return cb.call(this, error);
+  }
+
+  throw error;
+}
+
+export function scan(image, x, y, w, h, f) {
+  // round input
+  x = Math.round(x);
+  y = Math.round(y);
+  w = Math.round(w);
+  h = Math.round(h);
+
+  for (let _y = y; _y < y + h; _y++) {
+    for (let _x = x; _x < x + w; _x++) {
+      const idx = (image.bitmap.width * _y + _x) << 2;
+      f.call(image, _x, _y, idx);
+    }
+  }
+
+  return image;
+}
+
+export function* scanIterator(image, x, y, w, h) {
+  // round input
+  x = Math.round(x);
+  y = Math.round(y);
+  w = Math.round(w);
+  h = Math.round(h);
+
+  for (let _y = y; _y < y + h; _y++) {
+    for (let _x = x; _x < x + w; _x++) {
+      const idx = (image.bitmap.width * _y + _x) << 2;
+      yield { x: _x, y: _y, idx, image };
+    }
+  }
+}