Update app.py

app.py

@@ -74,26 +74,22 @@ def text_to_video(text, voice, rate, pitch, video_width, video_height, bg_color,
         with Drawing() as draw:
             draw.font = font_path
             draw.font_size = text_size
-            draw.fill_color = Color(text_color)
+            draw.fill_color = Color(text_color)  # Ensure text color is contrasting
             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), start_y + (j * (text_size + 10)), line)
-                
-                draw(img)  # Apply the drawing to the image
+                    # Calculate y position based on the line index
+                    y_position = (video_height / 2) - ((len(lines) * (text_size + 10)) / 2) + j * (text_size + 10)
+                    draw.text(int(video_width / 2), y_position, line)
+                draw(img)  # Correctly draw the text onto 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")
@@ -120,7 +116,7 @@ async def create_demo():
             gr.Slider(minimum=480, maximum=1080, value=720, label="Video Height", step=10),
             gr.ColorPicker(value="#000000", label="Background Color"),
             gr.ColorPicker(value="#FFFFFF", label="Text Color"),
-            gr.Textbox(label="Text Font", value="msyh.ttf"),  # 请确保字体文件路径正确
+            gr.Textbox(label="Text Font", value="msyh.ttf"),  # Ensure this path is correct
             gr.Slider(minimum=10, maximum=100, value=24, label="Text Size", step=1)
         ],
         outputs=[
@@ -139,4 +135,4 @@ async def create_demo():
 # 运行应用
 if __name__ == "__main__":
     demo = asyncio.run(create_demo())
-    demo.launch()
+    demo.launch(share=True)  # Change to share=True if you want a public link