Update modify_pdf.py

modify_pdf.py

@@ -1,24 +1,24 @@
 import fitz  # PyMuPDF
 
-def transform_pdf(input_pdf, output_pdf, scale_factor=1.2):
+def scale_vector_text(input_pdf, output_pdf, scale_factor=1.2, thickness_factor=1.2):
     """
-    Emulate the CorelDRAW Pick Tool by scaling all elements in a PDF.
-    
+    Scale and adjust thickness of vector-based text in a PDF.
+
     Args:
-        input_pdf (str): Path to the input PDF file.
+        input_pdf (str): Path to the input PDF.
         output_pdf (str): Path to save the modified PDF.
-        scale_factor (float): Factor to scale all elements (width, height, and thickness).
+        scale_factor (float): Factor to scale the size of text.
+        thickness_factor (float): Factor to adjust the thickness of text.
     """
     doc = fitz.open(input_pdf)
 
     for page in doc:
-        # Scale all drawable elements
+        # Process vector paths for size and thickness adjustments
         try:
-            # Scale vector paths
             for shape in page.get_drawings():
                 for path in shape["items"]:
-                    # Scale the bounding box of the shape
                     if "bbox" in path:
+                        # Scale bounding box for size
                         x0, y0, x1, y1 = path["bbox"]
                         path["bbox"] = (
                             x0 * scale_factor,
@@ -26,29 +26,11 @@ def transform_pdf(input_pdf, output_pdf, scale_factor=1.2):
                             x1 * scale_factor,
                             y1 * scale_factor,
                         )
-                    # Adjust line thickness
+                    # Adjust stroke thickness
                     if "line_width" in path:
-                        path["line_width"] *= scale_factor
-
-            # Scale text bounding boxes
-            for text_instance in page.search_for(" "):  # Use placeholder for locating text
-                bbox = text_instance
-                x0, y0, x1, y1 = bbox
-                new_width = (x1 - x0) * scale_factor
-                new_height = (y1 - y0) * scale_factor
-                new_x0, new_y0 = x0 * scale_factor, y0 * scale_factor
-
-                # Replace text with scaled dimensions
-                page.delete_text(text_instance)
-                text = page.get_text("text", clip=text_instance)
-                page.insert_text(
-                    (new_x0, new_y0),
-                    text,
-                    fontsize=new_height,  # Approximating font size with height
-                    overlay=True,
-                )
+                        path["line_width"] *= thickness_factor
         except Exception as e:
-            print(f"Error scaling elements on page {page.number + 1}: {e}")
+            print(f"Error processing vector paths on page {page.number + 1}: {e}")
 
     doc.save(output_pdf)
     print(f"Modified PDF saved to {output_pdf}")