From 2e17308b46942a8c60d66e83a3416b3884c5164d Mon Sep 17 00:00:00 2001
From: 3dtours <yeunhiepanh.photo@gmail.com>
Date: Mon, 5 Oct 2026 20:58:13 +0700
Subject: [PATCH] fix(raw): correct matrix direction and previewMatch block
 clipping condition for accurate RAW colors

---
 docker/frontend/src/engine/previewMatch.ts |  2 +-
 docker/frontend/src/engine/rawDevelop.ts   | 43 ++++++++++------------
 docker/recipescam-images.tar.gz.sha256     |  2 +-
 3 files changed, 21 insertions(+), 26 deletions(-)

diff --git a/docker/frontend/src/engine/previewMatch.ts b/docker/frontend/src/engine/previewMatch.ts
index 81d87d8..9857bf4 100644
--- a/docker/frontend/src/engine/previewMatch.ts
+++ b/docker/frontend/src/engine/previewMatch.ts
@@ -139,7 +139,7 @@ export function fitMatch(dev: Uint8Array, ref: Uint8Array, n = MATCH_GRID): Matc
     // only the pedestal, and one the develop clipped has lost the ratio between
     // its channels — none of them say anything about the rendering.
     if (t[0] > CLIP && t[1] > CLIP && t[2] > CLIP) continue;
-    if (e[0] > CLIP || e[1] > CLIP || e[2] > CLIP) continue;
+    if (e[0] > CLIP && e[1] > CLIP && e[2] > CLIP) continue;
     if (Math.max(t[0], t[1], t[2]) < FLOOR) continue;
     used++;
     blocks.push({ e, t });
diff --git a/docker/frontend/src/engine/rawDevelop.ts b/docker/frontend/src/engine/rawDevelop.ts
index 06fde7e..e7caac8 100644
--- a/docker/frontend/src/engine/rawDevelop.ts
+++ b/docker/frontend/src/engine/rawDevelop.ts
@@ -441,38 +441,33 @@ function invert3x3(m: number[][]): number[][] | null {
 
 function getCamToSrgbMatrix(cd: any): number[][] {
   if (cd?.rgb_cam && Array.isArray(cd.rgb_cam) && cd.rgb_cam.length >= 3) {
-    const m = [
+    return [
       [cd.rgb_cam[0][0] || 0, cd.rgb_cam[0][1] || 0, cd.rgb_cam[0][2] || 0],
       [cd.rgb_cam[1][0] || 0, cd.rgb_cam[1][1] || 0, cd.rgb_cam[1][2] || 0],
       [cd.rgb_cam[2][0] || 0, cd.rgb_cam[2][1] || 0, cd.rgb_cam[2][2] || 0],
     ];
-    const inv = invert3x3(m);
-    if (inv) return inv;
   }
 
   if (cd?.cam_xyz && Array.isArray(cd.cam_xyz) && cd.cam_xyz.length >= 3) {
-    const cx = [
-      [cd.cam_xyz[0][0] || 0, cd.cam_xyz[0][1] || 0, cd.cam_xyz[0][2] || 0],
-      [cd.cam_xyz[1][0] || 0, cd.cam_xyz[1][1] || 0, cd.cam_xyz[1][2] || 0],
-      [cd.cam_xyz[2][0] || 0, cd.cam_xyz[2][1] || 0, cd.cam_xyz[2][2] || 0],
-    ];
+    const cx = cd.cam_xyz;
     const scale = (Math.abs(cx[0][0]) > 100) ? 10000.0 : 1.0;
-    for (let r = 0; r < 3; r++) for (let c = 0; c < 3; c++) cx[r][c] /= scale;
-    const inv = invert3x3(cx);
-    if (inv) {
-      const srgbXyz = [
-        [3.2404542, -1.5371385, -0.4985314],
-        [-0.9692660, 1.8760108, 0.0415560],
-        [0.0556434, -0.2040259, 1.0572252],
-      ];
-      const res = [[0, 0, 0], [0, 0, 0], [0, 0, 0]];
-      for (let r = 0; r < 3; r++) {
-        for (let c = 0; c < 3; c++) {
-          res[r][c] = srgbXyz[r][0] * inv[0][c] + srgbXyz[r][1] * inv[1][c] + srgbXyz[r][2] * inv[2][c];
-        }
-      }
-      return res;
-    }
+    const rX = (cx[0][0] || 0) / scale, rY = (cx[0][1] || 0) / scale, rZ = (cx[0][2] || 0) / scale;
+    const gX = (cx[1][0] || 0) / scale, gY = (cx[1][1] || 0) / scale, gZ = (cx[1][2] || 0) / scale;
+    const bX = (cx[2][0] || 0) / scale, bY = (cx[2][1] || 0) / scale, bZ = (cx[2][2] || 0) / scale;
+
+    const m00 = 3.2404542 * rX - 1.5371385 * rY - 0.4985314 * rZ;
+    const m01 = 3.2404542 * gX - 1.5371385 * gY - 0.4985314 * gZ;
+    const m02 = 3.2404542 * bX - 1.5371385 * bY - 0.4985314 * bZ;
+
+    const m10 = -0.9692660 * rX + 1.8760108 * rY + 0.0415560 * rZ;
+    const m11 = -0.9692660 * gX + 1.8760108 * gY + 0.0415560 * gZ;
+    const m12 = -0.9692660 * bX + 1.8760108 * bY + 0.0415560 * bZ;
+
+    const m20 = 0.0556434 * rX - 0.2040259 * rY + 1.0572252 * rZ;
+    const m21 = 0.0556434 * gX - 0.2040259 * gY + 1.0572252 * gZ;
+    const m22 = 0.0556434 * bX - 0.2040259 * bY + 1.0572252 * bZ;
+
+    return [[m00, m01, m02], [m10, m11, m12], [m20, m21, m22]];
   }
 
   return [[1, 0, 0], [0, 1, 0], [0, 0, 1]];
diff --git a/docker/recipescam-images.tar.gz.sha256 b/docker/recipescam-images.tar.gz.sha256
index 6296189..3b43bdb 100644
--- a/docker/recipescam-images.tar.gz.sha256
+++ b/docker/recipescam-images.tar.gz.sha256
@@ -1 +1 @@
-9e207b823f47b6f92913c64c75c5a1bf2b3563898653652032f5f0429d4dbb49  recipescam-images.tar.gz
+a9c60b5464f6fae4d4a9084eaaa0f4674217c4f345f4f448d0d90307462cb6ad  recipescam-images.tar.gz