Update script.js

script.js

@@ -33,16 +33,11 @@ document.addEventListener('DOMContentLoaded', function() {
     let originalImageData = null;
     let isApplyingFilters = false;
 
-    // RGBカーブを適用する関数
     const applyRgbCurves = function() {
-        if (!camanInstance) return;
-        
-        // カーブデータを準備
         const redCurve = createCurveData(redCurvePoints);
         const greenCurve = createCurveData(greenCurvePoints);
         const blueCurve = createCurveData(blueCurvePoints);
         
-        // カーブを適用
         this.process("rgbCurve", function(rgba) {
             rgba.r = redCurve[rgba.r];
             rgba.g = greenCurve[rgba.g];
@@ -51,10 +46,7 @@ document.addEventListener('DOMContentLoaded', function() {
         });
     };
 
-    // 輝度カーブを適用する関数
     const applyLuminanceCurve = function() {
-        if (!camanInstance) return;
-        
         const luminanceCurve = createCurveData(luminanceCurvePoints);
         const shadowAmount = parseInt(shadowsSlider.value) / 100 * 50;
         const highlightAmount = parseInt(highlightsSlider.value) / 100 * 50;
@@ -117,13 +109,15 @@ document.addEventListener('DOMContentLoaded', function() {
         try {
             camanInstance.revert(false);
             
+            // 基本調整を直接適用
+            camanInstance.brightness(parseInt(brightnessSlider.value));
+            camanInstance.contrast(parseInt(contrastSlider.value) * 1.5);
+            camanInstance.saturation(parseInt(saturationSlider.value));
+            
+            // カーブ調整のみレイヤー処理
             camanInstance.newLayer(function() {
-                this.brightness(parseInt(brightnessSlider.value));
-                this.contrast(parseInt(contrastSlider.value) * 1.5);
-                this.saturation(parseInt(saturationSlider.value));
-                
-                applyRgbCurves.call(this);
-                applyLuminanceCurve.call(this);
+                applyRgbCurves.call(camanInstance);
+                applyLuminanceCurve.call(camanInstance);
             });
             
             camanInstance.render();