From 8bbabcc54e4b3ec57cb888c4a7adb2c526b33e79 Mon Sep 17 00:00:00 2001
From: "M. Sanaullah" <thebolly@gmail.com>
Date: Sun, 18 Aug 2024 01:13:03 +0500
Subject: [PATCH] Update final_video.py

Dynamically change the title card size based on the "Reddit" title lenght
---
 video_creation/final_video.py | 87 +++++++++++++++++++----------------
 1 file changed, 48 insertions(+), 39 deletions(-)

diff --git a/video_creation/final_video.py b/video_creation/final_video.py
index 101d0f774..641b6ba82 100644
--- a/video_creation/final_video.py
+++ b/video_creation/final_video.py
@@ -108,19 +108,60 @@ def prepare_background(reddit_id: str, W: int, H: int) -> str:
     return output_path
 
 
+def get_text_height(draw, text, font, max_width):
+    lines = textwrap.wrap(text, width=max_width)
+    total_height = 0
+    for line in lines:
+        _, _, _, height = draw.textbbox((0, 0), line, font=font)
+        total_height += height
+    return total_height
+
 def create_fancy_thumbnail(image, text, text_color, padding, wrap=35):
+    """
+    It will take the 1px from the middle of the template and will be resized (stretched) vertically to accommodate the extra height needed for the title.
+    """
     print_step(f"Creating fancy thumbnail for: {text}")
     font_title_size = 47
     font = ImageFont.truetype(os.path.join("fonts", "Roboto-Bold.ttf"), font_title_size)
     image_width, image_height = image.size
-    lines = textwrap.wrap(text, width=wrap)
-    y = (
-        (image_height / 2)
-        - (((getheight(font, text) + (len(lines) * padding) / len(lines)) * len(lines)) / 2)
-        + 30
-    )
+
+    # Calculate text height to determine new image height
     draw = ImageDraw.Draw(image)
+    text_height = get_text_height(draw, text, font, wrap)
+    lines = textwrap.wrap(text, width=wrap)
+    # This are -50 to reduce the empty space at the bottom of the image, 
+    # change it as per your requirement if needed otherwise leave it.
+    new_image_height = image_height + text_height + padding * (len(lines) - 1) - 50
+
+    # Separate the image into top, middle (1px), and bottom parts
+    top_part_height = image_height // 2
+    middle_part_height = 1  # 1px height middle section
+    bottom_part_height = image_height - top_part_height - middle_part_height
+
+    top_part = image.crop((0, 0, image_width, top_part_height))
+    middle_part = image.crop((0, top_part_height, image_width, top_part_height + middle_part_height))
+    bottom_part = image.crop((0, top_part_height + middle_part_height, image_width, image_height))
+
+    # Stretch the middle part
+    new_middle_height = new_image_height - top_part_height - bottom_part_height
+    middle_part = middle_part.resize((image_width, new_middle_height))
+
+    # Create new image with the calculated height
+    new_image = Image.new("RGBA", (image_width, new_image_height))
+
+    # Paste the top, stretched middle, and bottom parts into the new image
+    new_image.paste(top_part, (0, 0))
+    new_image.paste(middle_part, (0, top_part_height))
+    new_image.paste(bottom_part, (0, top_part_height + new_middle_height))
+
+    # Draw the title text on the new image
+    draw = ImageDraw.Draw(new_image)
+    y = top_part_height + padding
+    for line in lines:
+        draw.text((120, y), line, font=font, fill=text_color, align="left")
+        y += get_text_height(draw, line, font, wrap) + padding
 
+    # Draw the username "PlotPulse" at the specific position
     username_font = ImageFont.truetype(os.path.join("fonts", "Roboto-Bold.ttf"), 30)
     draw.text(
         (205, 825),
@@ -130,39 +171,7 @@ def create_fancy_thumbnail(image, text, text_color, padding, wrap=35):
         align="left",
     )
 
-    if len(lines) == 3:
-        lines = textwrap.wrap(text, width=wrap + 10)
-        font_title_size = 40
-        font = ImageFont.truetype(os.path.join("fonts", "Roboto-Bold.ttf"), font_title_size)
-        y = (
-            (image_height / 2)
-            - (((getheight(font, text) + (len(lines) * padding) / len(lines)) * len(lines)) / 2)
-            + 35
-        )
-    elif len(lines) == 4:
-        lines = textwrap.wrap(text, width=wrap + 10)
-        font_title_size = 35
-        font = ImageFont.truetype(os.path.join("fonts", "Roboto-Bold.ttf"), font_title_size)
-        y = (
-            (image_height / 2)
-            - (((getheight(font, text) + (len(lines) * padding) / len(lines)) * len(lines)) / 2)
-            + 40
-        )
-    elif len(lines) > 4:
-        lines = textwrap.wrap(text, width=wrap + 10)
-        font_title_size = 30
-        font = ImageFont.truetype(os.path.join("fonts", "Roboto-Bold.ttf"), font_title_size)
-        y = (
-            (image_height / 2)
-            - (((getheight(font, text) + (len(lines) * padding) / len(lines)) * len(lines)) / 2)
-            + 30
-        )
-
-    for line in lines:
-        draw.text((120, y), line, font=font, fill=text_color, align="left")
-        y += getheight(font, line) + padding
-
-    return image
+    return new_image
 
 
 def merge_background_audio(audio: ffmpeg, reddit_id: str):