增加了多图层分解

poster/templates/vibrant_template.py

@@ -542,57 +542,60 @@ class VibrantTemplate(BaseTemplate):
             logger.error("无法加载图片")
             return None
 
+        # 参考原始合成模式的PSD版本实现
         main_image = self.image_processor.resize_image(image=main_image, target_size=self.size)
         estimated_height = self._estimate_content_height(content)
         gradient_start = self._detect_gradient_start_position(main_image, estimated_height)
 
-        # 创建新的PSD文档（使用透明背景）
-        psd = PSDImage.new("RGBA", self.size, color=(0, 0, 0, 0))
-        logger.info(f"创建PSD文档，尺寸: {self.size}")
+        # === 第一步：创建与常规模式完全相同的最终结果作为Reference ===
+        canvas = self._create_composite_image(main_image, gradient_start, theme_color)
+        canvas = self._render_texts(canvas, content, gradient_start)
+        final_canvas = canvas.resize((1350, 1800), Image.LANCZOS)
         
-        # 1. 添加背景图层
-        background_layer = PixelLayer.frompil(main_image, psd, "Background")
-        psd.append(background_layer)
-        logger.info("✓ 添加背景图层")
+        # === 第二步：为PSD创建可编辑的图层版本 ===
+        final_size = (1350, 1800)
+        psd = PSDImage.new("RGBA", final_size, color=(0, 0, 0, 0))
+        logger.info(f"创建PSD文档，尺寸: {final_size}")
 
-        # 2. 添加毛玻璃效果层
+        # 图层1：完美一致的参考图层
+        composite_layer = PixelLayer.frompil(final_canvas, psd, "Perfect Reference")
+        psd.append(composite_layer)
+        logger.info("✓ 添加完美参考图层")
+        
+        # === 第三步：提供丰富的可编辑图层 ===
+        
+        # 图层2：纯背景图层（无任何效果）
+        background_only = main_image.resize(final_size, Image.LANCZOS)
+        bg_layer = PixelLayer.frompil(background_only, psd, "Background Image")
+        psd.append(bg_layer)
+        logger.info("✓ 添加纯背景图层")
+        
+        # 图层3：毛玻璃效果图层
         glass_overlay = self._create_glass_overlay_layer(main_image, gradient_start, theme_color)
         if glass_overlay:
-            glass_layer = PixelLayer.frompil(glass_overlay, psd, "Glass Effect")
+            glass_scaled = glass_overlay.resize(final_size, Image.LANCZOS)
+            glass_layer = PixelLayer.frompil(glass_scaled, psd, "Glass Overlay")
             psd.append(glass_layer)
-            logger.info("✓ 添加毛玻璃效果层")
+            logger.info("✓ 添加毛玻璃效果图层")
         
-        # 3-7. 添加文字图层
-        text_layers = self._create_text_layers(content, gradient_start)
-        for layer_name, layer_image in text_layers.items():
+        # 图层4-9：分离的文字图层
+        detailed_text_layers = self._create_detailed_text_layers(content, gradient_start, self.size)
+        for layer_name, layer_image in detailed_text_layers.items():
             if layer_image:
-                text_layer = PixelLayer.frompil(layer_image, psd, layer_name)
+                text_scaled = layer_image.resize(final_size, Image.LANCZOS)
+                text_layer = PixelLayer.frompil(text_scaled, psd, layer_name)
                 psd.append(text_layer)
-                logger.info(f"✓ Added {layer_name} layer")
+                logger.info(f"✓ 添加文字图层: {layer_name}")
         
-        # 应用与常规模式相同的尺寸调整 (1350x1800)
-        final_size = (1350, 1800)
+        # 图层10：整体文字图层（备用）
+        text_only_canvas = self._create_text_only_layer(content, gradient_start, self.size)
+        if text_only_canvas:
+            text_only_scaled = text_only_canvas.resize(final_size, Image.LANCZOS)
+            all_text_layer = PixelLayer.frompil(text_only_scaled, psd, "All Text (Backup)")
+            psd.append(all_text_layer)
+            logger.info("✓ 添加整体文字备用图层")
         
-        # 调整PSD文档尺寸以匹配常规输出
-        if psd.size != final_size:
-            logger.info(f"调整PSD尺寸: {psd.size} -> {final_size}")
-            # 重新创建PSD文档以匹配最终尺寸
-            final_psd = PSDImage.new("RGBA", final_size, color=(0, 0, 0, 0))
-            
-            # 调整并添加所有图层
-            for layer in psd:
-                try:
-                    if hasattr(layer, 'composite'):
-                        layer_image = layer.composite()
-                        if layer_image:
-                            # 调整图层尺寸
-                            resized_layer = layer_image.resize(final_size, Image.LANCZOS)
-                            final_layer = PixelLayer.frompil(resized_layer, final_psd, layer.name)
-                            final_psd.append(final_layer)
-                except Exception as e:
-                    logger.warning(f"调整图层 {layer.name} 失败: {e}")
-            
-            psd = final_psd
+        logger.info(f"PSD包含{len(list(psd))}个图层：1个参考层+{len(list(psd))-1}个编辑层")
 
         # 保存PSD文件
         psd.save(output_path)
@@ -615,6 +618,8 @@ class VibrantTemplate(BaseTemplate):
             logger.error(f"创建毛玻璃层失败: {e}")
             return None
 
+
+
     def _create_text_layers(self, content: Dict[str, Any], gradient_start: int) -> Dict[str, Optional[Image.Image]]:
         """创建各个文字图层"""
         layers = {}
@@ -659,6 +664,151 @@ class VibrantTemplate(BaseTemplate):
             
         return layers
 
+    def _create_text_only_layer(self, content: Dict[str, Any], gradient_start: int, canvas_size: tuple) -> Optional[Image.Image]:
+        """创建纯文字图层（透明背景），模拟_render_texts的渲染逻辑"""
+        try:
+            # 创建透明画布
+            text_canvas = Image.new('RGBA', canvas_size, (0, 0, 0, 0))
+            draw = ImageDraw.Draw(text_canvas)
+            
+            width, height = canvas_size
+            center_x = width // 2
+
+            # 使用与原始方法相同的布局计算
+            left_margin, right_margin = self._calculate_content_margins(content, width, center_x)
+            
+            # 页脚
+            footer_y = height - 30
+            self._render_footer(draw, content, footer_y, left_margin, right_margin)
+
+            # 标题和副标题
+            title_y = gradient_start + 40
+            current_y = self._render_title_subtitle(draw, content, title_y, center_x, left_margin, right_margin)
+
+            # 左右栏内容
+            content_area_width = right_margin - left_margin
+            left_column_width = int(content_area_width * 0.5)
+            right_column_x = left_margin + left_column_width
+
+            content_start_y = current_y + 30
+            self._render_left_column(draw, content, content_start_y, left_margin, left_column_width, height)
+            self._render_right_column(draw, content, content_start_y, right_column_x, right_margin)
+
+            return text_canvas
+        except Exception as e:
+            logger.error(f"创建纯文字图层失败: {e}")
+            return None
+
+    def _create_text_only_layer(self, content: Dict[str, Any], gradient_start: int, canvas_size: tuple) -> Optional[Image.Image]:
+        """创建纯文字图层（透明背景），模拟_render_texts的渲染逻辑"""
+        try:
+            # 创建透明画布
+            text_canvas = Image.new('RGBA', canvas_size, (0, 0, 0, 0))
+            draw = ImageDraw.Draw(text_canvas)
+            
+            width, height = canvas_size
+            center_x = width // 2
+
+            # 使用与原始方法相同的布局计算
+            left_margin, right_margin = self._calculate_content_margins(content, width, center_x)
+            
+            # 页脚
+            footer_y = height - 30
+            self._render_footer(draw, content, footer_y, left_margin, right_margin)
+
+            # 标题和副标题
+            title_y = gradient_start + 40
+            current_y = self._render_title_subtitle(draw, content, title_y, center_x, left_margin, right_margin)
+
+            # 左右栏内容
+            content_area_width = right_margin - left_margin
+            left_column_width = int(content_area_width * 0.5)
+            right_column_x = left_margin + left_column_width
+
+            content_start_y = current_y + 30
+            self._render_left_column(draw, content, content_start_y, left_margin, left_column_width, height)
+            self._render_right_column(draw, content, content_start_y, right_column_x, right_margin)
+
+            return text_canvas
+        except Exception as e:
+            logger.error(f"创建纯文字图层失败: {e}")
+            return None
+
+    def _create_detailed_text_layers(self, content: Dict[str, Any], gradient_start: int, canvas_size: tuple) -> Dict[str, Optional[Image.Image]]:
+        """创建详细的分离文字图层，每个文字元素独立可编辑"""
+        layers = {}
+        
+        try:
+            width, height = canvas_size
+            center_x = width // 2
+            left_margin, right_margin = self._calculate_content_margins(content, width, center_x)
+            
+            # 1. 标题图层
+            title_canvas = Image.new('RGBA', canvas_size, (0, 0, 0, 0))
+            title_draw = ImageDraw.Draw(title_canvas)
+            title_y = gradient_start + 40
+            
+            title_text = content.get("title", "默认标题")
+            title_target_width = int((right_margin - left_margin) * 0.98)
+            title_size, title_actual_width = self._calculate_optimal_font_size_enhanced(
+                title_text, title_target_width, max_size=140, min_size=40
+            )
+            try:
+                title_font = ImageFont.truetype(self.chinese_font_path, title_size)
+            except:
+                title_font = self.text_renderer._load_default_font(title_size)
+            text_w, text_h = self.text_renderer.get_text_size(title_text, title_font)
+            title_x = center_x - text_w // 2
+            
+            self.text_renderer.draw_text_with_outline(title_draw, (title_x, title_y), title_text, title_font, 
+                                                    text_color=(255, 255, 255, 255), outline_color=(0, 30, 80, 200), outline_width=4)
+            layers["Title Text"] = title_canvas
+            
+            # 2. 副标题图层
+            subtitle_canvas = Image.new('RGBA', canvas_size, (0, 0, 0, 0))
+            subtitle_draw = ImageDraw.Draw(subtitle_canvas)
+            
+            subtitle_text = content.get("slogan", "")
+            if subtitle_text:
+                subtitle_target_width = int((right_margin - left_margin) * 0.95)
+                subtitle_size, subtitle_actual_width = self._calculate_optimal_font_size_enhanced(
+                    subtitle_text, subtitle_target_width, max_size=75, min_size=20
+                )
+                try:
+                    subtitle_font = ImageFont.truetype(self.chinese_font_path, subtitle_size)
+                except:
+                    subtitle_font = self.text_renderer._load_default_font(subtitle_size)
+                sub_text_w, sub_text_h = self.text_renderer.get_text_size(subtitle_text, subtitle_font)
+                subtitle_x = center_x - sub_text_w // 2
+                subtitle_y = title_y + text_h + 30
+                
+                self.text_renderer.draw_text_with_shadow(subtitle_draw, (subtitle_x, subtitle_y), subtitle_text, subtitle_font,
+                                                       text_color=(255, 255, 255, 255), shadow_color=(0, 0, 0, 180), shadow_offset=(2, 2))
+                layers["Subtitle Text"] = subtitle_canvas
+            
+            # 3. 页脚图层
+            footer_canvas = Image.new('RGBA', canvas_size, (0, 0, 0, 0))
+            footer_draw = ImageDraw.Draw(footer_canvas)
+            
+            footer_y = height - 30
+            try:
+                footer_font = ImageFont.truetype(self.chinese_font_path, 18)
+            except:
+                footer_font = self.text_renderer._load_default_font(18)
+            
+            if tag := content.get("tag"):
+                footer_draw.text((left_margin, footer_y), tag, font=footer_font, fill=(255, 255, 255))
+            if pagination := content.get("pagination"):
+                width_pg, _ = self.text_renderer.get_text_size(pagination, footer_font)
+                footer_draw.text((right_margin - width_pg, footer_y), pagination, font=footer_font, fill=(255, 255, 255))
+            
+            layers["Footer"] = footer_canvas
+            
+        except Exception as e:
+            logger.error(f"创建详细文字图层失败: {e}")
+            
+        return {k: v for k, v in layers.items() if v is not None}
+
     def _draw_text_with_outline_simple(self, draw: ImageDraw.Draw, position: Tuple[int, int], 
                                      text: str, font: ImageFont.FreeTypeFont,
                                      text_color: Tuple[int, int, int, int] = (255, 255, 255, 255),