fix: reorder URL patterns so library/ is matched before str:pk/

backend/apps/exports/utils.py

@@ -331,7 +331,7 @@ def draw_joker(canvas, design, which, project, card_key, asset):
             offset_y = int(body_h * image_dy)
 
             img_copy = asset.copy()
-            img_copy.thumbnail((body_w, half_h), Image.LANCZOS)
+            img_copy = img_copy.resize((body_w, half_h), Image.LANCZOS)
             if image_scale != 1:
                 sw = max(1, int(img_copy.width * image_scale))
                 sh = max(1, int(img_copy.height * image_scale))

backend/apps/projects/urls.py

@@ -7,12 +7,12 @@ from .views_library import library_list, library_themes, library_detail, library
 
 urlpatterns = [
     path('', project_list, name='project-list'),
+    path('library/', library_list, name='library-list'),
+    path('library/themes/', library_themes, name='library-themes'),
+    path('library/<int:pk>/', library_detail, name='library-detail'),
     path('<str:pk>/', project_detail, name='project-detail'),
     path('<str:pk>/design/', project_save_design, name='project-save-design'),
     path('<str:project_pk>/assets/', asset_list, name='asset-list'),
     path('<str:project_pk>/assets/<str:asset_pk>/', asset_detail, name='asset-detail'),
-    path('library/', library_list, name='library-list'),
-    path('library/themes/', library_themes, name='library-themes'),
     path('<str:project_pk>/library/<int:pk>/apply/', library_apply, name='library-apply'),
-    path('library/<int:pk>/', library_detail, name='library-detail'),
 ]

frontend/src/components/DesignPanel.vue

@@ -1,5 +1,68 @@
 <template>
   <div class="design-panel">
+    <!-- ===== 背面设计面板 ===== -->
+    <template v-if="isBack">
+      <section>
+        <h4>背面背景色</h4>
+        <div class="row">
+          <input type="color" :value="backDesign.background_color" @input="setBackBgColor($event.target.value)" />
+          <input type="text" :value="backDesign.background_color" @change="setBackBgColor($event.target.value)" />
+        </div>
+      </section>
+
+      <section>
+        <h4>背面边框</h4>
+        <div class="row">
+          <label class="mini-label">颜色</label>
+          <input type="color" :value="backDesign.border_color" @input="setBackDesign('border_color', $event.target.value)" />
+          <label class="mini-label">粗细</label>
+          <input type="number" min="0" max="40" :value="backDesign.border_width"
+                 @change="setBackDesign('border_width', parseInt($event.target.value) || 0)" />
+        </div>
+      </section>
+
+      <section>
+        <h4>图案色调</h4>
+        <p class="hint">为背面图案叠加一层半透明色调</p>
+        <div class="row">
+          <input type="color" :value="backDesign.pattern_color || '#C0A050'"
+                 @input="setBackDesign('pattern_color', $event.target.value)" />
+          <button v-if="backDesign.pattern_color" @click="setBackDesign('pattern_color', null)" class="mini ghost">清除色调</button>
+        </div>
+      </section>
+
+      <section>
+        <h4>背面图片</h4>
+        <div class="row">
+          <button @click="uploadBackImage" class="mini">上传背面图</button>
+        </div>
+        <input ref="backImageInput" type="file" accept="image/*" @change="onBackImageFile" hidden />
+        <div v-if="backDesign.image" class="row">
+          <img :src="backDesign.image" class="thumb" />
+          <button @click="setBackDesign('image', null)" class="mini ghost">清除</button>
+        </div>
+      </section>
+
+      <section v-if="backDesign.image">
+        <h4>图片位置微调</h4>
+        <p class="hint">输入数值微调素材图片的位置与缩放（0 = 默认）</p>
+        <div class="pip-row">
+          <label class="mini-label">dx</label>
+          <input type="number" step="0.005" min="-0.05" max="0.05"
+                 :value="backImageOffsetVal('image_dx')" @change="setBackImageOffset('image_dx', $event.target.value)" />
+          <label class="mini-label">dy</label>
+          <input type="number" step="0.005" min="-0.05" max="0.05"
+                 :value="backImageOffsetVal('image_dy')" @change="setBackImageOffset('image_dy', $event.target.value)" />
+          <label class="mini-label">缩放</label>
+          <input type="number" step="0.05" min="0.6" max="1.4"
+                 :value="backImageOffsetVal('image_scale')" @change="setBackImageOffset('image_scale', $event.target.value)" />
+        </div>
+        <button @click="resetBackImageOffset" class="mini ghost">重置图片位置</button>
+      </section>
+    </template>
+
+    <!-- ===== 正面设计面板 ===== -->
+    <template v-else>
       <!-- 背景色 -->
       <section>
         <h4>背景色</h4>
@@ -91,20 +154,20 @@
         </div>
       </section>
 
-    <!-- 图片位置微调（大小王 / 背面） -->
+      <!-- 图片位置微调（大小王） -->
       <section v-if="showImageOffset">
         <h4>图片位置微调</h4>
-      <p class="hint">拖动滑块微调素材图片的位置与缩放（0 = 默认）</p>
+        <p class="hint">输入数值微调素材图片的位置与缩放（0 = 默认）</p>
         <div class="pip-row">
           <label class="mini-label">dx</label>
-        <input type="range" min="-0.05" max="0.05" step="0.005"
-               :value="imageOffsetVal('image_dx')" @input="setImageOffset('image_dx', $event.target.value)" />
+          <input type="number" step="0.005" min="-0.05" max="0.05"
+                 :value="imageOffsetVal('image_dx')" @change="setImageOffset('image_dx', $event.target.value)" />
           <label class="mini-label">dy</label>
-        <input type="range" min="-0.05" max="0.05" step="0.005"
-               :value="imageOffsetVal('image_dy')" @input="setImageOffset('image_dy', $event.target.value)" />
+          <input type="number" step="0.005" min="-0.05" max="0.05"
+                 :value="imageOffsetVal('image_dy')" @change="setImageOffset('image_dy', $event.target.value)" />
           <label class="mini-label">缩放</label>
-        <input type="range" min="0.6" max="1.4" step="0.05"
-               :value="imageOffsetVal('image_scale')" @input="setImageOffset('image_scale', $event.target.value)" />
+          <input type="number" step="0.05" min="0.6" max="1.4"
+                 :value="imageOffsetVal('image_scale')" @change="setImageOffset('image_scale', $event.target.value)" />
         </div>
         <button @click="resetImageOffset" class="mini ghost">重置图片位置</button>
       </section>
@@ -112,7 +175,7 @@
       <!-- 数字牌花色位置微调 -->
       <section v-if="isNumberCard">
         <h4>数字牌花色位置微调</h4>
-      <p class="hint">拖动滑块微调每个花色的位置（占整张牌的比例，0 = 默认）</p>
+        <p class="hint">输入数值微调每个花色的位置（占整张牌的比例，0 = 默认）</p>
         <div class="rank-tabs">
           <button v-for="r in [1,2,3,4,5,6,7,8,9,10]" :key="r"
                   :class="{ active: selectedRank === r }"
@@ -121,17 +184,18 @@
         <div v-for="(pos, i) in positions" :key="i" class="pip-row">
           <div class="pip-label">#{{ i + 1 }}</div>
           <label class="mini-label">dx</label>
-        <input type="range" min="-0.05" max="0.05" step="0.005"
-               :value="overrideFor(i).dx" @input="setOffset(i, 'dx', $event.target.value)" />
+          <input type="number" step="0.005" min="-0.05" max="0.05"
+                 :value="overrideFor(i).dx" @change="setOffset(i, 'dx', $event.target.value)" />
           <label class="mini-label">dy</label>
-        <input type="range" min="-0.05" max="0.05" step="0.005"
-               :value="overrideFor(i).dy" @input="setOffset(i, 'dy', $event.target.value)" />
+          <input type="number" step="0.005" min="-0.05" max="0.05"
+                 :value="overrideFor(i).dy" @change="setOffset(i, 'dy', $event.target.value)" />
           <label class="mini-label">缩放</label>
-        <input type="range" min="0.6" max="1.4" step="0.05"
-               :value="overrideFor(i).scale" @input="setOffset(i, 'scale', $event.target.value)" />
+          <input type="number" step="0.05" min="0.6" max="1.4"
+                 :value="overrideFor(i).scale" @change="setOffset(i, 'scale', $event.target.value)" />
         </div>
         <button @click="resetLayout" class="mini ghost">重置本点数布局</button>
       </section>
+    </template>
   </div>
 </template>
 
@@ -142,6 +206,9 @@ import { SUITS, SUIT_TEXT, LAYOUT_POSITIONS, isJoker } from '@/utils/cardLayout'
 
 const store = useProjectStore()
 const design = computed(() => store.effectiveDesign)
+const backDesign = computed(() => store.effectiveBackDesign)
+const isBack = computed(() => store.currentCard === 'back')
+
 const override = computed(() => {
   if (!store.project || !store.currentCard) return null
   return (store.project.card_overrides || {})[store.currentCard] || null
@@ -152,6 +219,7 @@ const suits = SUITS
 const suitSymbol = (s) => SUIT_TEXT[s]
 const suitLabel = (s) => ({ spade: '黑桃', heart: '红桃', club: '梅花', diamond: '方块' })[s]
 
+// ===== 正面相关 =====
 const bgFileInput = ref(null)
 function uploadBg() { bgFileInput.value?.click() }
 function onBgFile(e) {
@@ -159,7 +227,6 @@ function onBgFile(e) {
   if (!f) return
   const reader = new FileReader()
   reader.onload = (ev) => {
-    // 这里只把 dataURL 临时存到 design；正式应上传到后端
     store.patchDesign('background_image', ev.target.result)
   }
   reader.readAsDataURL(f)
@@ -190,7 +257,7 @@ const isNumberCard = computed(() => {
 })
 
 const showImageOffset = computed(() => {
-  return isJoker(store.currentCard) || store.currentCard === 'back'
+  return isJoker(store.currentCard)
 })
 
 const isFaceCard = computed(() => {
@@ -206,8 +273,6 @@ const showSymmetryMode = computed(() => {
 const symmetryMode = computed(() => design.value.symmetry_mode || 'flip')
 
 function setSymmetryMode(v) {
-  // JQK 和大小王都存到 design 里（因为它们是单牌设置）
-  // 但 design 是合并后的，所以用 patchCardOverride 写到当前牌更干净
   store.patchCardOverride(store.currentCard, 'symmetry_mode', v)
 }
 
@@ -251,6 +316,36 @@ function setOffset(i, key, val) {
 function resetLayout() {
   store.resetNumberLayout(String(selectedRank.value))
 }
+
+// ===== 背面相关 =====
+const backImageInput = ref(null)
+function uploadBackImage() { backImageInput.value?.click() }
+function onBackImageFile(e) {
+  const f = e.target.files[0]
+  if (!f) return
+  const reader = new FileReader()
+  reader.onload = (ev) => {
+    store.patchBackDesign('image', ev.target.result)
+  }
+  reader.readAsDataURL(f)
+}
+
+function setBackBgColor(v) { store.patchBackDesign('background_color', v) }
+function setBackDesign(path, v) { store.patchBackDesign(path, v) }
+
+function backImageOffsetVal(key) {
+  const v = Number(backDesign.value[key])
+  if (Number.isNaN(v)) return key === 'image_scale' ? 1 : 0
+  return v
+}
+function setBackImageOffset(key, val) {
+  store.patchBackDesign(key, parseFloat(val))
+}
+function resetBackImageOffset() {
+  store.patchBackDesign('image_dx', 0)
+  store.patchBackDesign('image_dy', 0)
+  store.patchBackDesign('image_scale', 1)
+}
 </script>
 
 <style scoped>

frontend/src/utils/cardRenderer.js

@@ -280,19 +280,11 @@ async function drawJokerBody(ctx, w, h, which, design, project) {
 
   if (img && img.complete && img.naturalWidth) {
     const halfH = bodyH / 2
-    const imgRatio = img.naturalWidth / img.naturalHeight
-    const target = bodyW / halfH
-    let drawW, drawH
-    if (imgRatio > target) {
-      drawW = bodyW; drawH = bodyW / imgRatio
-    } else {
-      drawH = halfH; drawW = halfH * imgRatio
-    }
     const imageDx = Number(design.image_dx) || 0
     const imageDy = Number(design.image_dy) || 0
     const imageScale = Number(design.image_scale) || 1
-    const finalW = Math.max(1, drawW * imageScale)
-    const finalH = Math.max(1, drawH * imageScale)
+    const finalW = Math.max(1, bodyW * imageScale)
+    const finalH = Math.max(1, halfH * imageScale)
     const offsetX = bodyW * imageDx
     const offsetY = bodyH * imageDy
     const topX = padX + offsetX + (bodyW - finalW) / 2
@@ -300,15 +292,16 @@ async function drawJokerBody(ctx, w, h, which, design, project) {
     ctx.drawImage(img, topX, topY, finalW, finalH)
     // symmetry_mode: 'flip' 垂直翻转，'rotate' 180° 旋转
     const symMode = design.symmetry_mode || 'flip'
+    const botY = padTop + offsetY + halfH + (halfH - finalH) / 2
     if (symMode === 'rotate') {
       ctx.save()
-      ctx.translate(topX + finalW, topY + finalH)
+      ctx.translate(topX + finalW, botY + finalH)
       ctx.rotate(Math.PI)
       ctx.drawImage(img, 0, 0, finalW, finalH)
       ctx.restore()
     } else {
       ctx.save()
-      ctx.translate(topX, topY + finalH)
+      ctx.translate(topX, botY + finalH)
       ctx.scale(1, -1)
       ctx.drawImage(img, 0, 0, finalW, finalH)
       ctx.restore()

frontend/src/views/Editor.vue

@@ -193,6 +193,7 @@ watch(() => project.value && project.value.assets, () => { drawAll() }, { deep:
 watch(() => project.value && project.value.design, () => { drawAll() }, { deep: true })
 watch(() => project.value && project.value.card_overrides, () => { drawAll() }, { deep: true })
 watch(() => project.value && project.value.number_layout, () => { drawAll() }, { deep: true })
+watch(() => project.value && project.value.back_design, () => { drawAll() }, { deep: true })
 
 onMounted(async () => {
   try {
@@ -202,7 +203,7 @@ onMounted(async () => {
     drawAll()
     // 自动保存指示器
     saveWatchStop = watch(
-      () => [project.value.design, project.value.card_overrides, project.value.number_layout],
+      () => [project.value.design, project.value.back_design, project.value.card_overrides, project.value.number_layout],
       () => { markSaving() },
       { deep: true }
     )