From 19badf636955b21ada3474a8fc8bf392fa340717 Mon Sep 17 00:00:00 2001
From: C85297 <95289555+C85297@users.noreply.github.com>
Date: Thu, 5 Feb 2026 16:01:13 +0000
Subject: [PATCH] Fix contain image parameters

---
 src/core/operations/ContainImage.mjs | 7 +++----
 tests/browser/02_ops.js              | 1 +
 2 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/src/core/operations/ContainImage.mjs b/src/core/operations/ContainImage.mjs
index e59ecd11..37ac1e18 100644
--- a/src/core/operations/ContainImage.mjs
+++ b/src/core/operations/ContainImage.mjs
@@ -119,20 +119,19 @@ class ContainImage extends Operation {
             if (isWorkerEnvironment())
                 self.sendStatusMessage("Containing image...");
             image.contain({
-                width,
-                height,
+                w: width,
+                h: height,
                 align: alignMap[hAlign] | alignMap[vAlign],
                 mode: resizeMap[alg],
             });
 
             if (opaqueBg) {
                 const newImage = await Jimp.read(width, height, 0x000000ff);
-                newImage.blit({
+                image = newImage.blit({
                     image,
                     x: 0,
                     y: 0,
                 });
-                image = newImage;
             }
 
             let imageBuffer;
diff --git a/tests/browser/02_ops.js b/tests/browser/02_ops.js
index e3be0c03..c340fca4 100644
--- a/tests/browser/02_ops.js
+++ b/tests/browser/02_ops.js
@@ -65,6 +65,7 @@ module.exports = {
         testOp(browser, ["From Hex", "Blur Image", "SHA2"], Images.PNG_HEX, "24f2e89f3e00cc35f551bbc48ea82e76474946ce0282183494d1ca3d3b0012c27b6102c4368ae056dc7fecb6df7886d86ff3d29b7e5965493f30c371eee9a24e");
         testOp(browser, ["From Hex", "Blur Image", "SHA2"], Images.PNG_HEX, "2c49d89fc10c94352c9a19f82de353c37928831d6f976a6b36eb918825a0ba027980801838228a4a0da63f1886e4fa59b6666f992ad2d2b7d4622253dc034052", [[], [5, "Gaussian"], []]);
         testOp(browser, ["From Hex", "Sharpen Image", "SHA2"], Images.PNG_HEX, "acc7027642c2eeb67d7356a80ed8a1bdce9adabf656ea1294e47723f506626a7aa41f1660fa844a1e1e83b17180017ab0d5bccd7f6a341692832020dc887eaa5");
+        testOp(browser, ["From Hex", "Contain Image", "SHA2"], Images.PNG_HEX, "cb871ad0722d487d56a2b18247b1aa30ecc244eb717e08e23a55cae78759553312dc1717196d7cb9daa04743e57c56fc3901ba92be5a68fb03c377f718e8efe7");
         testOpHtml(browser, "Bombe", "XTSYN WAEUG EZALY NRQIM AMLZX MFUOD AWXLY LZCUZ QOQBQ JLCPK NDDRW F", "table tr:last-child td:first-child", "ECG", ["3-rotor", "LEYJVCNIXWPBQMDRTAKZGFUHOS", "BDFHJLCPRTXVZNYEIWGAKMUSQO<W", "AJDKSIRUXBLHWTMCQGZNPYFVOE<F", "ESOVPZJAYQUIRHXLNFTGKDCMWB<K", "AY BR CU DH EQ FS GL IP JX KN MO TZ VW", "HELLO CYBER CHEFU SER", 0, true]);
         testOp(browser, ["Bzip2 Compress", "To Hex"], "test input", "42 5a 68 39 31 41 59 26 53 59 cf 96 82 1d 00 00 03 91 80 40 00 02 21 4e 00 20 00 21 90 c2 10 c0 88 33 92 8e df 17 72 45 38 50 90 cf 96 82 1d");
         testOp(browser, ["From Hex", "Bzip2 Decompress"], "425a68393141592653597b0884b7000003038000008200ce00200021a647a4218013709517c5dc914e14241ec2212dc0", "test_output", [[], [true]]);