up

app.py

@@ -493,6 +493,14 @@ def create_single_page_pdf(images: List[Image.Image], layout_id: str, num_images
 
         x_rel, y_rel, w_rel, h_rel = pos
 
+        # Reduce gaps - adjust positions to bring panels closer
+        # Add small padding (1% of page dimensions)
+        padding = 0.01
+        x_rel = x_rel * 0.95 + padding  # Compress horizontally
+        y_rel = y_rel * 0.95 + padding  # Compress vertically
+        w_rel = w_rel * 1.05  # Slightly increase width
+        h_rel = h_rel * 1.05  # Slightly increase height
+
         # Convert relative positions to absolute positions
         # Note: In ReportLab, y=0 is at the bottom
         x = x_rel * page_width
@@ -500,15 +508,38 @@ def create_single_page_pdf(images: List[Image.Image], layout_id: str, num_images
         width = w_rel * page_width
         height = h_rel * page_height
 
+        # Calculate image aspect ratio and layout aspect ratio
+        img_aspect = image.width / image.height
+        layout_aspect = width / height
+
+        # Preserve aspect ratio while fitting in the allocated space
+        if img_aspect > layout_aspect:
+            # Image is wider than the layout space
+            new_height = width / img_aspect
+            y_offset = (height - new_height) / 2
+            actual_width = width
+            actual_height = new_height
+            actual_x = x
+            actual_y = y + y_offset
+        else:
+            # Image is taller than the layout space
+            new_width = height * img_aspect
+            x_offset = (width - new_width) / 2
+            actual_width = new_width
+            actual_height = height
+            actual_x = x + x_offset
+            actual_y = y
+
         # Convert PIL image to format suitable for ReportLab
         img_buffer = io.BytesIO()
         # Save with good quality
         image.save(img_buffer, format='JPEG', quality=95)
         img_buffer.seek(0)
 
-        # Draw the image on the PDF - fill the entire allocated space
-        # preserveAspectRatio=False to fill the entire area
-        pdf.drawImage(ImageReader(img_buffer), x, y, width=width, height=height, preserveAspectRatio=False, mask='auto')
+        # Draw the image on the PDF preserving aspect ratio
+        pdf.drawImage(ImageReader(img_buffer), actual_x, actual_y,
+                     width=actual_width, height=actual_height,
+                     preserveAspectRatio=True, mask='auto')
 
     # Save the PDF
     pdf.save()
@@ -713,6 +744,11 @@ def infer_single_auto(
         true_cfg_scale=guidance_scale, # Use true_cfg_scale for this model
     ).images[0]
 
+    # Convert to grayscale if using manga_no_color style
+    if style_preset == "manga_no_color":
+        # Convert to grayscale while preserving quality
+        image = image.convert('L').convert('RGB')
+
     return image, seed
 
 # Keep the old infer function for backward compatibility (simplified)

style_presets.yaml

@@ -19,13 +19,21 @@ presets:
     prompt_suffix: ""
     negative_prompt: ""
 
-  japanese_manga:
-    id: "japanese_manga"
-    label: "Japanese Manga"
+  manga_no_color:
+    id: "manga_no_color"
+    label: "Japanese Manga (No Color)"
     enabled: true
-    prompt_prefix: "grayscale, detailed drawing, japanese manga"
-    prompt_suffix: ""
-    negative_prompt: "franco-belgian comic, color album, color, american comic, photo, painting, 3D render"
+    prompt_prefix: "black and white, grayscale, detailed drawing, japanese manga, monochrome"
+    prompt_suffix: "high contrast, ink drawing, manga panel"
+    negative_prompt: "color, colored, franco-belgian comic, color album, american comic, photo, painting, 3D render, chromatic, colorful, rainbow"
+
+  manga_few_colors:
+    id: "manga_few_colors"
+    label: "Japanese Manga (Few Colors)"
+    enabled: true
+    prompt_prefix: "detailed drawing, japanese manga, limited color palette"
+    prompt_suffix: "manga style, subtle colors"
+    negative_prompt: "franco-belgian comic, american comic, photo, painting, 3D render, oversaturated"
 
   nihonga:
     id: "nihonga"