Optimize card drawing function and enhance image download quality

web/templates/card_creator.html

@@ -43,9 +43,17 @@
       <input type="text" id="packInput" placeholder="Card Name" style="width: 100%; margin-bottom: 0.5rem;"><br>
       <input type="number" id="powerInput" placeholder="⚡ Power" min="0" max="999" style="width: 100%; margin-bottom: 0.5rem;"><br>
       <input type="number" id="charmInput" placeholder="❤️ Charm" min="0" max="999" style="width: 100%; margin-bottom: 0.5rem;"><br>
-      <input type="number" id="popularityInput" placeholder="💫 Popularity" min="0" max="999" style="width: 100%; margin-bottom: 0.5rem;"><br>
+      <input type="number" id="witInput" placeholder="💫 Wit" min="0" max="999" style="width: 100%; margin-bottom: 0.5rem;"><br>
       <textarea id="flavorInput" placeholder="Flavor text..." rows="4" style="width: 100%; margin-bottom: 0.5rem;"></textarea><br>
+      <input type="text" id="artistInput" placeholder="Artist Name" style="width: 100%; margin-bottom: 0.5rem;"><br>
       <input type="file" id="uploadArt" style="margin-bottom: 0.5rem;"><br>
+      <select id="frameSelect" style="width: 100%; margin-bottom: 0.5rem;">
+        <option value="v1_common.png" selected>Common</option>
+        <option value="v1_uncommon.png">Uncommon</option>
+        <option value="v1_rare.png">Rare</option>
+        <option value="v1_epic.png">Epic</option>
+        <option value="v1_legendary.png">Legendary</option>
+      </select>
       <button id="downloadBtn" onclick="generateCard()">✨ Create Card</button>
     </div>
  <!-- Right: SVG Card Output -->
@@ -64,15 +72,20 @@ const nameInput = document.getElementById("nameInput");
 const packInput = document.getElementById("packInput");
 const powerInput = document.getElementById("powerInput");
 const charmInput = document.getElementById("charmInput");
-const popularityInput = document.getElementById("popularityInput");
+const witInput = document.getElementById("witInput");
 const flavorInput = document.getElementById("flavorInput");
+const artistInput = document.getElementById("artistInput");
 
 const downloadBtn = document.getElementById("downloadBtn");
+const uploadArt = document.getElementById("uploadArt");
+const frameSelect = document.getElementById("frameSelect");
+let frameImage = new Image();
+let uploadedImage = null;
 
 // Generate a unique ID for the card based on pack and card name
-async function generateCardId(packName, cardName) {
+async function generateCardId(...args) {
   const encoder = new TextEncoder();
-  const data = encoder.encode(packName + ':' + cardName);
+  const data = encoder.encode(args.join(':'));
   const hashBuffer = await crypto.subtle.digest('SHA-1', data);
 
   // Convert hash to hex
@@ -83,18 +96,40 @@ async function generateCardId(packName, cardName) {
   return hex.slice(0, 12);
 }
 
-// Load the card frame image
-const frameImage = new Image();
-frameImage.src = "{{ url_for('static', filename='card-frame.png') }}"; // <-- replace with your transparent card frame PNG
 
-frameImage.onload = () => {
-  drawCard();
+uploadArt.addEventListener("change", function(e) {
+  const file = e.target.files[0];
+  if (!file) return;
+  const reader = new FileReader();
+  reader.onload = function(event) {
+    uploadedImage = new Image();
+    uploadedImage.onload = drawCard;
+    uploadedImage.src = event.target.result;
   };
+  reader.readAsDataURL(file);
+});
+
+// Update frame image when selection changes
+function updateFrame() {
+  frameImage.src = "{{ url_for('static', filename='') }}" + frameSelect.value;
+  frameImage.onload = drawCard;
+}
+
+// Initial frame load
+updateFrame();
+
+// Change frame when dropdown changes
+frameSelect.addEventListener("change", updateFrame);
 
 function drawCard() {
   ctx.clearRect(0, 0, canvas.width, canvas.height);
-  ctx.fillStyle = "#f5f5f5";
-  ctx.fillRect(0, 0, canvas.width, canvas.height);
+  
+
+  // Draw uploaded art as background if present
+  if (uploadedImage) {
+    ctx.drawImage(uploadedImage, 0, 0, canvas.width, canvas.height);
+  }
+
   ctx.drawImage(frameImage, 0, 0, canvas.width, canvas.height);
 
   // Name & pack
@@ -103,32 +138,41 @@ function drawCard() {
   ctx.textAlign = "center";
   ctx.fillText(nameInput.value, canvas.width / 2, 100);
   ctx.font = "20px sans-serif";
-  ctx.fillText(packInput.value, canvas.width / 2, 140);
+  ctx.fillText(packInput.value, canvas.width / 2, 160);
   ctx.textAlign = "left";
 
   // Stats
   ctx.font = "30px sans-serif";
-  ctx.fillText("Power: " + powerInput.value, 60, 1050);
-  ctx.fillText("Charm: " + charmInput.value, 300, 1050);
-  ctx.fillText("Popularity: " + popularityInput.value, 540, 1050);
+  ctx.fillText(powerInput.value, 220, 823);
+  ctx.fillText(charmInput.value, 373, 823);
+  ctx.fillText(witInput.value, 512, 823);
 
   // Flavor
   ctx.font = "italic 24px serif";
-  wrapText(flavorInput.value, 60, 950, 680, 30);
+  ctx.textAlign = "center";
+  wrapText(flavorInput.value, canvas.width / 2, 965, 558, 30);
+
+  // Artist
+  ctx.font = "30px sans-serif";
+  ctx.textAlign = "center";
+  ctx.fillStyle = "#000000";
+  ctx.fillText(artistInput.value, canvas.width / 2, 1060);
 
   // Defer ID drawing to a separate async step!
   drawCardId();
 }
 
 async function drawCardId() {
-  const id = await generateCardId(packInput.value, nameInput.value);
-  ctx.font = "20px sans-serif";
-  ctx.fillText("KC-" + id, canvas.width - 350, canvas.height - 60);
+  const id = await generateCardId(packInput.value, nameInput.value, powerInput.value, charmInput.value, witInput.value, artistInput.value);
+  ctx.font = "15px sans-serif";
+  ctx.fillText("KC-" + id, canvas.width/2, canvas.height - 30);
 }
 
 
 function wrapText(text, x, y, maxWidth, lineHeight) {
-  const words = text.split(" ");
+  const lines = text.split('\n');
+  for (let i = 0; i < lines.length; i++) {
+    let words = lines[i].split(" ");
     let line = "";
     for (let n = 0; n < words.length; n++) {
       const testLine = line + words[n] + " ";
@@ -143,20 +187,21 @@ function wrapText(text, x, y, maxWidth, lineHeight) {
       }
     }
     ctx.fillText(line, x, y);
+    y += lineHeight;
+  }
 }
 
 // Update card live when inputs change
-[nameInput, powerInput, charmInput, popularityInput, flavorInput,packInput].forEach(input => {
+[nameInput, powerInput, charmInput, witInput, flavorInput,packInput,artistInput].forEach(input => {
   input.addEventListener("input", drawCard);
 });
 
 // Download button
 downloadBtn.addEventListener("click", () => {
   const link = document.createElement("a");
-  link.download = "kemoverse-card.png";
-  link.href = canvas.toDataURL("image/png");
+  link.download = "kemoverse-card.webp";
+  link.href = canvas.toDataURL("image/webp", 0.95);
   link.click();
 });
-
 </script>
 {% endblock %}