feat: v1.1 — highlight-weighted metering, settings modal, photo viewer, shutter sound control, cleanup

src/utils/colorUtils.ts

@@ -1,6 +1,4 @@
-import { ColorAdjustments } from '../types';
-
-export type BaseFilter = 'classic-neg' | 'provia' | 'velvia' | 'monochrome' | 'none';
+import { ColorAdjustments, BaseFilter } from '../types';
 
 // Kelvin to RGB compensation for White Balance.
 // In photography, when WB is set HIGH (e.g. 10000K), the camera understands
@@ -75,6 +73,31 @@ export function getSkiaColorMatrix(baseFilter: BaseFilter, adj: ColorAdjustments
       -0.05, -0.05, 1.25, 0, -0.02,
       0, 0, 0, 1, 0,
     ];
+  } else if (baseFilter === 'classic-chrome') {
+    // Classic Chrome: muted/deep color with strong tone — desaturated reds and
+    // greens, slight warm amber in highlights, shadows stay soft (approx).
+    matrix = [
+      1.12, -0.03, -0.06, 0, 0.04,
+      -0.04, 1.0, -0.03, 0, 0.03,
+      -0.05, -0.06, 0.86, 0, -0.02,
+      0, 0, 0, 1, 0,
+    ];
+  } else if (baseFilter === 'astia') {
+    // Astia: soft, gentle, flattering — low contrast, pastel-leaning colors.
+    matrix = [
+      1.0, 0.02, 0.02, 0, 0.01,
+      0.01, 1.0, 0.02, 0, 0.02,
+      0.01, 0.01, 1.02, 0, 0.02,
+      0, 0, 0, 1, 0,
+    ];
+  } else if (baseFilter === 'eterna') {
+    // Eterna: cinema — flat (low contrast), muted color, gentle highlight rolloff.
+    matrix = [
+      0.94, 0.02, 0.02, 0, 0.02,
+      0.02, 0.96, 0.02, 0, 0.02,
+      0.02, 0.02, 0.94, 0, 0.02,
+      0, 0, 0, 1, 0,
+    ];
   } else if (baseFilter === 'monochrome') {
     // Acros Monochrome: ITU-R BT.709 luma — pure grayscale, zero color leakage
     const r = 0.2126;
@@ -148,6 +171,22 @@ export function getSkiaColorMatrix(baseFilter: BaseFilter, adj: ColorAdjustments
     matrix = multiplyMatrices(wbMat, matrix);
   }
 
+  // 5b. Fuji WB fine-tune Red/Blue axis (the CREATE modal's R/B offsets). These
+  // axes are independent channel gains on top of the Kelvin/tint preset: each
+  // step nudges its channel ~1.1% toward/away from neutral, matching the
+  // perceptible size of one Fuji fine-tune step (-9..+9).
+  const wbRed = adj.wbRed ?? 0;
+  const wbBlue = adj.wbBlue ?? 0;
+  if (baseFilter !== 'monochrome' && (wbRed !== 0 || wbBlue !== 0)) {
+    const shiftMat = [
+      1 + (wbRed / 9) * 0.1, 0, 0, 0, 0,
+      0, 1, 0, 0, 0,
+      0, 0, 1 + (wbBlue / 9) * 0.1, 0, 0,
+      0, 0, 0, 1, 0,
+    ];
+    matrix = multiplyMatrices(shiftMat, matrix);
+  }
+
   // 6. Exposure & Contrast — applied to ALL base filters (monochrome included) so
   // both keep affecting mono shots. Contrast scales around mid-grey 0.5.
   if (exposure !== 0 || contrast !== 0) {