初始化

uni_modules/UniDevTools/node_modules/@jimp/plugin-scale/es/index.js

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+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports["default"] = void 0;
+
+var _utils = require("@jimp/utils");
+
+var _default = function _default() {
+  return {
+    /**
+     * Uniformly scales the image by a factor.
+     * @param {number} f the factor to scale the image by
+     * @param {string} mode (optional) a scaling method (e.g. Jimp.RESIZE_BEZIER)
+     * @param {function(Error, Jimp)} cb (optional) a callback for when complete
+     * @returns {Jimp} this for chaining of methods
+     */
+    scale: function scale(f, mode, cb) {
+      if (typeof f !== 'number') {
+        return _utils.throwError.call(this, 'f must be a number', cb);
+      }
+
+      if (f < 0) {
+        return _utils.throwError.call(this, 'f must be a positive number', cb);
+      }
+
+      if (typeof mode === 'function' && typeof cb === 'undefined') {
+        cb = mode;
+        mode = null;
+      }
+
+      var w = this.bitmap.width * f;
+      var h = this.bitmap.height * f;
+      this.resize(w, h, mode);
+
+      if ((0, _utils.isNodePattern)(cb)) {
+        cb.call(this, null, this);
+      }
+
+      return this;
+    },
+
+    /**
+     * Scale the image to the largest size that fits inside the rectangle that has the given width and height.
+     * @param {number} w the width to resize the image to
+     * @param {number} h the height to resize the image to
+     * @param {string} mode (optional) a scaling method (e.g. Jimp.RESIZE_BEZIER)
+     * @param {function(Error, Jimp)} cb (optional) a callback for when complete
+     * @returns {Jimp} this for chaining of methods
+     */
+    scaleToFit: function scaleToFit(w, h, mode, cb) {
+      if (typeof w !== 'number' || typeof h !== 'number') {
+        return _utils.throwError.call(this, 'w and h must be numbers', cb);
+      }
+
+      if (typeof mode === 'function' && typeof cb === 'undefined') {
+        cb = mode;
+        mode = null;
+      }
+
+      var f = w / h > this.bitmap.width / this.bitmap.height ? h / this.bitmap.height : w / this.bitmap.width;
+      this.scale(f, mode);
+
+      if ((0, _utils.isNodePattern)(cb)) {
+        cb.call(this, null, this);
+      }
+
+      return this;
+    }
+  };
+};
+
+exports["default"] = _default;
+//# sourceMappingURL=index.js.map