yeet

node_modules/@jimp/plugin-blit/es/index.js

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+"use strict";
+
+var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault");
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports["default"] = void 0;
+
+var _typeof2 = _interopRequireDefault(require("@babel/runtime/helpers/typeof"));
+
+var _utils = require("@jimp/utils");
+
+var _default = function _default() {
+  return {
+    /**
+     * Blits a source image on to this image
+     * @param {Jimp} src the source Jimp instance
+     * @param {number} x the x position to blit the image
+     * @param {number} y the y position to blit the image
+     * @param {number} srcx (optional) the x position from which to crop the source image
+     * @param {number} srcy (optional) the y position from which to crop the source image
+     * @param {number} srcw (optional) the width to which to crop the source image
+     * @param {number} srch (optional) the height to which to crop the source image
+     * @param {function(Error, Jimp)} cb (optional) a callback for when complete
+     * @returns {Jimp} this for chaining of methods
+     */
+    blit: function blit(src, x, y, srcx, srcy, srcw, srch, cb) {
+      if (!(src instanceof this.constructor)) {
+        return _utils.throwError.call(this, 'The source must be a Jimp image', cb);
+      }
+
+      if (typeof x !== 'number' || typeof y !== 'number') {
+        return _utils.throwError.call(this, 'x and y must be numbers', cb);
+      }
+
+      if (typeof srcx === 'function') {
+        cb = srcx;
+        srcx = 0;
+        srcy = 0;
+        srcw = src.bitmap.width;
+        srch = src.bitmap.height;
+      } else if ((0, _typeof2["default"])(srcx) === (0, _typeof2["default"])(srcy) && (0, _typeof2["default"])(srcy) === (0, _typeof2["default"])(srcw) && (0, _typeof2["default"])(srcw) === (0, _typeof2["default"])(srch)) {
+        srcx = srcx || 0;
+        srcy = srcy || 0;
+        srcw = srcw || src.bitmap.width;
+        srch = srch || src.bitmap.height;
+      } else {
+        return _utils.throwError.call(this, 'srcx, srcy, srcw, srch must be numbers', cb);
+      } // round input
+
+
+      x = Math.round(x);
+      y = Math.round(y); // round input
+
+      srcx = Math.round(srcx);
+      srcy = Math.round(srcy);
+      srcw = Math.round(srcw);
+      srch = Math.round(srch);
+      var maxWidth = this.bitmap.width;
+      var maxHeight = this.bitmap.height;
+      var baseImage = this;
+      src.scanQuiet(srcx, srcy, srcw, srch, function (sx, sy, idx) {
+        var xOffset = x + sx - srcx;
+        var yOffset = y + sy - srcy;
+
+        if (xOffset >= 0 && yOffset >= 0 && maxWidth - xOffset > 0 && maxHeight - yOffset > 0) {
+          var dstIdx = baseImage.getPixelIndex(xOffset, yOffset);
+          var _src = {
+            r: this.bitmap.data[idx],
+            g: this.bitmap.data[idx + 1],
+            b: this.bitmap.data[idx + 2],
+            a: this.bitmap.data[idx + 3]
+          };
+          var dst = {
+            r: baseImage.bitmap.data[dstIdx],
+            g: baseImage.bitmap.data[dstIdx + 1],
+            b: baseImage.bitmap.data[dstIdx + 2],
+            a: baseImage.bitmap.data[dstIdx + 3]
+          };
+          baseImage.bitmap.data[dstIdx] = (_src.a * (_src.r - dst.r) - dst.r + 255 >> 8) + dst.r;
+          baseImage.bitmap.data[dstIdx + 1] = (_src.a * (_src.g - dst.g) - dst.g + 255 >> 8) + dst.g;
+          baseImage.bitmap.data[dstIdx + 2] = (_src.a * (_src.b - dst.b) - dst.b + 255 >> 8) + dst.b;
+          baseImage.bitmap.data[dstIdx + 3] = this.constructor.limit255(dst.a + _src.a);
+        }
+      });
+
+      if ((0, _utils.isNodePattern)(cb)) {
+        cb.call(this, null, this);
+      }
+
+      return this;
+    }
+  };
+};
+
+exports["default"] = _default;
+//# sourceMappingURL=index.js.map