1

video-gen-admin/node_modules/@rc-component/image/lib/getFixScaleEleTransPosition.js

@@ -0,0 +1,60 @@
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.default = getFixScaleEleTransPosition;
+var _util = require("./util");
+function fixPoint(key, start, width, clientWidth) {
+  const startAddWidth = start + width;
+  const offsetStart = (width - clientWidth) / 2;
+  if (width > clientWidth) {
+    if (start > 0) {
+      return {
+        [key]: offsetStart
+      };
+    }
+    if (start < 0 && startAddWidth < clientWidth) {
+      return {
+        [key]: -offsetStart
+      };
+    }
+  } else if (start < 0 || startAddWidth > clientWidth) {
+    return {
+      [key]: start < 0 ? offsetStart : -offsetStart
+    };
+  }
+  return {};
+}
+
+/**
+ * Fix positon x,y point when
+ *
+ * Ele width && height < client
+ * - Back origin
+ *
+ * - Ele width | height > clientWidth | clientHeight
+ * - left | top > 0 -> Back 0
+ * - left | top + width | height < clientWidth | clientHeight -> Back left | top + width | height === clientWidth | clientHeight
+ *
+ * Regardless of other
+ */
+function getFixScaleEleTransPosition(width, height, left, top) {
+  const {
+    width: clientWidth,
+    height: clientHeight
+  } = (0, _util.getClientSize)();
+  let fixPos = null;
+  if (width <= clientWidth && height <= clientHeight) {
+    fixPos = {
+      x: 0,
+      y: 0
+    };
+  } else if (width > clientWidth || height > clientHeight) {
+    fixPos = {
+      ...fixPoint('x', left, width, clientWidth),
+      ...fixPoint('y', top, height, clientHeight)
+    };
+  }
+  return fixPos;
+}