Khởi tạo dự án 3dtours

backend/utils/imageHelper.js

@@ -0,0 +1,23 @@
+const sharp = require('sharp');
+
+/**
+ * Resizes an image to standard 8K resolution (8192x4096) with 2:1 ratio and saves as JPEG
+ * @param {string} inputPath - Path to the original uploaded file
+ * @param {string} outputPath - Path to save the processed 8K JPEG image
+ */
+const resizeTo8K = async (inputPath, outputPath) => {
+    try {
+        await sharp(inputPath)
+            .resize(8192, 4096, {
+                fit: 'fill' // Ensures the output is exactly 8192x4096
+            })
+            .jpeg({ quality: 90 })
+            .toFile(outputPath);
+    } catch (error) {
+        throw new Error(`Sharp image processing failed: ${error.message}`);
+    }
+};
+
+module.exports = {
+    resizeTo8K
+};