seperate size

src-tauri/src/lib.rs

@@ -107,6 +107,8 @@ struct ZcaResult {
 struct ExportImageTask {
     path: String,
     manual_position: Option<ManualPosition>,
+    scale: Option<f64>,
+    opacity: Option<f64>,
 }
 
 #[derive(serde::Deserialize)]
@@ -141,11 +143,7 @@ async fn export_batch(images: Vec<ExportImageTask>, watermark: WatermarkSettings
     let font = FontRef::try_from_slice(FONT_DATA).map_err(|e| format!("Font error: {}", e))?;
     let base_color = parse_hex_color(&watermark.color);
     
-    // Calculate final color with opacity
+    // Note: opacity and final text color are now calculated per-task
-    // imageproc draws with the exact color given. To support opacity, we need to handle it.
-    // However, draw_text_mut blends. If we provide an Rgba with alpha < 255, it should blend.
-    let alpha = (watermark.opacity * 255.0) as u8;
-    let text_color = image::Rgba([base_color[0], base_color[1], base_color[2], alpha]);
 
     let results: Vec<Result<(), String>> = images.par_iter().map(|task| {
         let input_path = Path::new(&task.path);
@@ -155,8 +153,16 @@ async fn export_batch(images: Vec<ExportImageTask>, watermark: WatermarkSettings
             let mut base_img = dynamic_img.to_rgba8();
             let (width, height) = base_img.dimensions();
 
+            // Determine effective settings (Task > Global)
+            let eff_scale = task.scale.unwrap_or(watermark.scale);
+            let eff_opacity = task.opacity.unwrap_or(watermark.opacity);
+
+            // Calculate final color with effective opacity
+            let alpha = (eff_opacity * 255.0) as u8;
+            let text_color = image::Rgba([base_color[0], base_color[1], base_color[2], alpha]);
+
             // 1. Calculate Font Scale based on Image Height
-            let mut scale_px = height as f32 * watermark.scale as f32;
+            let mut scale_px = height as f32 * eff_scale as f32;
             
             // 2. Measure Text
             let scaled_font = PxScale::from(scale_px);
@@ -207,6 +213,7 @@ async fn export_batch(images: Vec<ExportImageTask>, watermark: WatermarkSettings
             y = y.max(0);
             
             // 6. Draw Stroke (Simple 4-direction offset for black outline)
+            // Stroke alpha should match text alpha
             let stroke_color = image::Rgba([0, 0, 0, text_color[3]]);
             for offset in [(-1, -1), (-1, 1), (1, -1), (1, 1)] {
                 draw_text_mut(

src/App.vue

@@ -47,10 +47,12 @@ async function exportBatch() {
         if (outputDir && typeof outputDir === 'string') {
             isExporting.value = true;
             
-            // Map images to include manual position
+            // Map images to include manual settings
             const exportTasks = store.images.map(img => ({
                 path: img.path,
-                manual_position: img.manualPosition || null
+                manual_position: img.manualPosition || null,
+                scale: img.scale || null,
+                opacity: img.opacity || null
             }));
 
             // Pass dummy globals for rust struct compatibility

src/components/HeroView.vue

@@ -64,7 +64,7 @@ watch(() => store.selectedImage, () => {
     nextTick(() => calculateLayout());
 });
 
-// Use either manual position (if specific image has it) or ZCA suggestion
+// Use either manual position (if override is true) or ZCA suggestion
 const position = computed(() => {
     if (store.selectedImage?.manualPosition) {
         return store.selectedImage.manualPosition;
@@ -73,6 +73,9 @@ const position = computed(() => {
     return store.selectedImage?.zcaSuggestion ? { x: store.selectedImage.zcaSuggestion.x, y: store.selectedImage.zcaSuggestion.y } : { x: 0.5, y: 0.97 };
 });
 
+const effectiveScale = computed(() => store.selectedImage?.scale ?? store.watermarkSettings.scale);
+const effectiveOpacity = computed(() => store.selectedImage?.opacity ?? store.watermarkSettings.opacity);
+
 const onMouseDown = (e: MouseEvent) => {
     e.preventDefault();
     isDragging.value = true;
@@ -155,10 +158,10 @@ const onMouseLeave = () => {
             left: (position.x * 100) + '%',
             top: (position.y * 100) + '%',
             transform: 'translate(-50%, -50%)',
-            opacity: store.watermarkSettings.opacity,
+            opacity: effectiveOpacity,
             color: store.watermarkSettings.color,
             /* Scale based on HEIGHT of the IMAGE */
-            fontSize: (imageRect.height * store.watermarkSettings.scale) + 'px',
+            fontSize: (imageRect.height * effectiveScale) + 'px',
             height: '0px', 
             display: 'flex',
             alignItems: 'center',

src/components/SettingsPanel.vue

@@ -1,15 +1,54 @@
 <script setup lang="ts">
 import { useGalleryStore } from "../stores/gallery";
-import { Settings, CheckSquare, Type, Palette } from 'lucide-vue-next';
+import { Settings, CheckSquare, Type, Palette, Copy } from 'lucide-vue-next';
+import { computed } from "vue";
 
 const store = useGalleryStore();
+
+// Computed properties to handle "Get from Image OR Global" and "Set to Image" logic
+const currentScale = computed({
+    get: () => store.selectedImage?.scale ?? store.watermarkSettings.scale,
+    set: (val) => {
+        if (store.selectedIndex >= 0) {
+            store.setImageSetting(store.selectedIndex, 'scale', val);
+        } else {
+            store.updateWatermarkSettings({ scale: val });
+        }
+    }
+});
+
+const currentOpacity = computed({
+    get: () => store.selectedImage?.opacity ?? store.watermarkSettings.opacity,
+    set: (val) => {
+        if (store.selectedIndex >= 0) {
+            store.setImageSetting(store.selectedIndex, 'opacity', val);
+        } else {
+            store.updateWatermarkSettings({ opacity: val });
+        }
+    }
+});
+
+const applyAll = () => {
+    if (confirm("Apply current size and opacity settings to ALL images? This will reset individual adjustments.")) {
+        store.applySettingsToAll();
+    }
+};
 </script>
 
 <template>
   <div class="h-full bg-gray-800 text-white p-4 flex flex-col gap-6 overflow-y-auto border-l border-gray-700 w-80">
-      <h2 class="text-lg font-bold flex items-center gap-2">
+      <h2 class="text-lg font-bold flex items-center justify-between">
-          <Settings class="w-5 h-5" />
+          <div class="flex items-center gap-2">
-          Watermark Settings
+            <Settings class="w-5 h-5" />
+            Settings
+          </div>
+          <button 
+            @click="applyAll" 
+            title="Apply Size & Opacity to All Images"
+            class="bg-gray-700 hover:bg-gray-600 p-1.5 rounded text-xs text-blue-300 transition-colors flex items-center gap-1"
+          >
+             <Copy class="w-3 h-3" /> All
+          </button>
       </h2>
 
       <!-- Text Input -->
@@ -45,15 +84,14 @@ const store = useGalleryStore();
            <div>
               <div class="flex justify-between mb-1">
                   <label class="text-xs text-gray-400">Size (Scale)</label>
-                  <span class="text-xs text-gray-300">{{ (store.watermarkSettings.scale * 100).toFixed(1) }}%</span>
+                  <span class="text-xs text-gray-300">{{ (currentScale * 100).toFixed(1) }}%</span>
               </div>
               <input 
                 type="range" 
                 min="0.01" 
                 max="0.20" 
                 step="0.001" 
-                :value="store.watermarkSettings.scale"
+                v-model.number="currentScale"
-                @input="e => store.updateWatermarkSettings({ scale: parseFloat((e.target as HTMLInputElement).value) })"
                 class="w-full h-1 bg-gray-600 rounded-lg appearance-none cursor-pointer accent-blue-500"
               />
               <p class="text-[10px] text-gray-500 mt-1">Relative to image height</p>
@@ -62,15 +100,14 @@ const store = useGalleryStore();
            <div>
               <div class="flex justify-between mb-1">
                   <label class="text-xs text-gray-400">Opacity</label>
-                  <span class="text-xs text-gray-300">{{ (store.watermarkSettings.opacity * 100).toFixed(0) }}%</span>
+                  <span class="text-xs text-gray-300">{{ (currentOpacity * 100).toFixed(0) }}%</span>
               </div>
               <input 
                 type="range" 
                 min="0.1" 
                 max="1.0" 
                 step="0.01" 
-                :value="store.watermarkSettings.opacity"
+                v-model.number="currentOpacity"
-                @input="e => store.updateWatermarkSettings({ opacity: parseFloat((e.target as HTMLInputElement).value) })"
                 class="w-full h-1 bg-gray-600 rounded-lg appearance-none cursor-pointer accent-blue-500"
               />
           </div>

src/stores/gallery.ts

@@ -4,12 +4,14 @@ import { invoke } from "@tauri-apps/api/core";
 
 export interface ImageItem {
   path: string;
-  thumbnail: string; // Now mandatory from backend
+  thumbnail: string; 
   name: string;
   width?: number;
   height?: number;
   zcaSuggestion?: { x: number; y: number; zone: string };
   manualPosition?: { x: number; y: number };
+  scale?: number;
+  opacity?: number;
 }
 
 export interface WatermarkSettings {
@@ -18,9 +20,6 @@ export interface WatermarkSettings {
     color: string; 
     opacity: number; 
     scale: number; 
-    // Global override removed/deprecated in logic, but kept in type if needed for other things?
-    // Let's keep it clean: no global override flag anymore for logic.
-    // But backend struct expects it. We can just ignore it or send dummy.
 }
 
 export const useGalleryStore = defineStore("gallery", () => {
@@ -56,6 +55,33 @@ export const useGalleryStore = defineStore("gallery", () => {
       }
   }
 
+  function setImageSetting(index: number, setting: 'scale' | 'opacity', value: number) {
+      if (images.value[index]) {
+          images.value[index][setting] = value;
+      }
+  }
+
+  // Applies the settings from the CURRENT image (or global if not overridden) to ALL images
+  // Strategy: Update Global Settings to match current view, and clear individual overrides so everyone follows global.
+  function applySettingsToAll() {
+      const current = selectedImage.value;
+      if (!current) return;
+
+      const newScale = current.scale ?? watermarkSettings.value.scale;
+      const newOpacity = current.opacity ?? watermarkSettings.value.opacity;
+
+      // 1. Update Global
+      watermarkSettings.value.scale = newScale;
+      watermarkSettings.value.opacity = newOpacity;
+
+      // 2. Clear overrides for Scale and Opacity on ALL images
+      // (We keep manualPosition because position is usually unique per image content)
+      images.value.forEach(img => {
+          img.scale = undefined;
+          img.opacity = undefined;
+      });
+  }
+
   async function selectImage(index: number) {
     if (index < 0 || index >= images.value.length) return;
     selectedIndex.value = index;
@@ -79,6 +105,8 @@ export const useGalleryStore = defineStore("gallery", () => {
     setImages,
     selectImage,
     updateWatermarkSettings,
-    setImageManualPosition
+    setImageManualPosition,
+    setImageSetting,
+    applySettingsToAll
   };
 });