Adjust image editing to accurately capture original dimensions

Fixes an issue where image dimensions were incorrectly scaled, causing overlays to misalign. This commit modifies the image capture process to utilize the image's natural dimensions, ensuring accurate placement of text, ribbons, and price badges.

Replit-Commit-Author: Agent
Replit-Commit-Session-Id: ae4037a0-2a6f-4530-9bac-79b543286bda
Replit-Commit-Checkpoint-Type: full_checkpoint
Replit-Commit-Screenshot-Url: https://storage.googleapis.com/screenshot-production-us-central1/397bca8c-984f-43ff-841a-10897aeb8140/ae4037a0-2a6f-4530-9bac-79b543286bda/Hpj2VzR

client/src/pages/image-editor.tsx

@@ -100,49 +100,87 @@ export default function ImageEditor() {
         throw new Error("Aucune image sélectionnée");
       }
 
-      // Wait for fonts and styles to load
-      await document.fonts.ready;
+      // Load the image to get its natural dimensions
+      const img = new Image();
+      img.crossOrigin = 'anonymous';
+      img.src = previewUrl || selectedMedia.originalUrl;
       
-      // Capture the preview container as canvas (including CSS overlays)
-      const canvas = await html2canvas(previewRef.current, {
+      await new Promise((resolve, reject) => {
+        img.onload = resolve;
+        img.onerror = reject;
+      });
+
+      const naturalWidth = img.naturalWidth;
+      const naturalHeight = img.naturalHeight;
+
+      // Create a temporary container at natural image size
+      const tempContainer = document.createElement('div');
+      tempContainer.style.position = 'absolute';
+      tempContainer.style.top = '-10000px';
+      tempContainer.style.left = '-10000px';
+      tempContainer.style.width = `${naturalWidth}px`;
+      tempContainer.style.height = `${naturalHeight}px`;
+      document.body.appendChild(tempContainer);
+
+      // Clone and append image
+      const imgClone = img.cloneNode() as HTMLImageElement;
+      imgClone.style.width = '100%';
+      imgClone.style.height = '100%';
+      imgClone.style.objectFit = 'contain';
+      tempContainer.appendChild(imgClone);
+
+      // Add ribbon if enabled
+      if (ribbon.enabled && ribbon.text) {
+        const ribbonContainer = document.createElement('div');
+        ribbonContainer.className = `ribbon-container ${ribbon.position}`;
+        
+        const ribbonTriangle = document.createElement('div');
+        ribbonTriangle.className = `ribbon-triangle ${ribbon.color}`;
+        ribbonContainer.appendChild(ribbonTriangle);
+        
+        const ribbonTextElem = document.createElement('div');
+        ribbonTextElem.className = 'ribbon-text';
+        ribbonTextElem.textContent = ribbon.text;
+        ribbonTextElem.style.fontSize = ribbon.text.length <= 5 ? '22px' : 
+                                        ribbon.text.length <= 8 ? '18px' : 
+                                        ribbon.text.length <= 11 ? '15px' : '12px';
+        ribbonContainer.appendChild(ribbonTextElem);
+        
+        tempContainer.appendChild(ribbonContainer);
+      }
+
+      // Add price badge if enabled
+      if (priceBadge.enabled && priceBadge.price) {
+        const badge = document.createElement('div');
+        badge.className = `absolute ${
+          priceBadge.position === "north_east" ? "top-4 right-4" :
+          priceBadge.position === "south_east" ? "bottom-4 right-4" :
+          priceBadge.position === "south_west" ? "bottom-4 left-4" :
+          "top-4 left-4"
+        } px-4 py-2 rounded-full text-white font-bold z-10 flex items-center justify-center ${
+          priceBadge.color === "red" ? "bg-red-600" : "bg-yellow-500"
+        }`;
+        badge.style.fontSize = `${priceBadge.size}px`;
+        badge.textContent = `€${priceBadge.price}`;
+        tempContainer.appendChild(badge);
+      }
+
+      // Wait for styles to apply
+      await new Promise(resolve => setTimeout(resolve, 100));
+
+      // Capture the temporary container
+      const canvas = await html2canvas(tempContainer, {
         backgroundColor: null,
-        scale: 2, // Higher quality
+        scale: 1,
         useCORS: true,
         allowTaint: true,
         logging: false,
-        width: previewRef.current.offsetWidth,
-        height: previewRef.current.offsetHeight,
-        x: 0,
-        y: 0,
-        onclone: (clonedDoc) => {
-          // Fix ribbon text positioning in cloned document
-          const ribbonText = clonedDoc.querySelector('.ribbon-text');
-          if (ribbonText instanceof HTMLElement) {
-            const parent = ribbonText.parentElement;
-            if (parent) {
-              const parentRect = parent.getBoundingClientRect();
-              // Calculate center position for ribbon text
-              ribbonText.style.transform = 'rotate(-45deg)';
-              ribbonText.style.position = 'absolute';
-              ribbonText.style.top = '50%';
-              ribbonText.style.left = '50%';
-              ribbonText.style.transformOrigin = 'center';
-              ribbonText.style.marginTop = '-0.6em';
-              ribbonText.style.marginLeft = `${-ribbonText.offsetWidth / 2}px`;
-            }
-          }
+        width: naturalWidth,
+        height: naturalHeight
+      });
 
-          // Ensure price badge text is properly positioned
-          const priceBadges = clonedDoc.querySelectorAll('[data-badge-price]');
-          priceBadges.forEach(badge => {
-            if (badge instanceof HTMLElement) {
-              badge.style.display = 'flex';
-              badge.style.alignItems = 'center';
-              badge.style.justifyContent = 'center';
-            }
-          });
-        }
-      });
+      // Clean up
+      document.body.removeChild(tempContainer);
 
       // Convert canvas to blob
       const blob = await new Promise<Blob>((resolve) => {