Update app.py

app.py

@@ -77,17 +77,23 @@ def text_to_video(text, voice, rate, pitch, video_width, video_height, bg_color,
             draw.fill_color = Color(text_color)
             draw.text_alignment = 'center'
             draw.text_interline_spacing = 10
+            
             with Image(width=video_width, height=video_height, background=Color(bg_color)) as img:
                 lines = page.split("\n")
+                # Centering text vertically
+                total_text_height = len(lines) * (text_size + 10)  # Height of text area
+                start_y = (video_height - total_text_height) // 2  # Start position to center vertically
+                
                 for j, line in enumerate(lines):
-                    draw.text(int(video_width / 2), (j + 1) * (text_size + 10), line)
-                draw(img)  # Correct usage to apply the drawing
+                    draw.text(int(video_width / 2), start_y + (j * (text_size + 10)), line)
+                
+                draw(img)  # Apply the drawing to the image
                 img.format = 'png'
                 img_path = os.path.join(tempfile.gettempdir(), f"page_{i}.png")
                 img.save(filename=img_path)
                 text_clip = ImageClip(img_path).set_duration(audio_clip.duration).set_audio(audio_clip)
                 video_clips.append(text_clip)
-        
+
     # 合并所有视频片段
     final_video = concatenate_videoclips(video_clips)
     final_video_path = os.path.join(tempfile.gettempdir(), "output_video.mp4")
@@ -133,4 +139,4 @@ async def create_demo():
 # 运行应用
 if __name__ == "__main__":
     demo = asyncio.run(create_demo())
-    demo.launch(share=True)  # Set share=True to create a public link
+    demo.launch()