nodes/Big-Idea-Technology-ComfyUI-Book-Tools
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fix text position calculation

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This commit is contained in:
Aleksander Majda
2025-04-21 17:40:20 +02:00
parent 76a6db976e
commit 6e6b02aa26
1 changed files with 8 additions and 9 deletions
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text_to_image.py
+8 -9
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@@ -100,7 +100,7 @@ class BookToolsTextToImage:
# Fallback to simple width calculation
return sum(font.getbbox(char)[2] - font.getbbox(char)[0] for char in text)
def calculate_text_size(self, text, font_size, font_path, max_width, max_height, line_height_factor):
def calculate_text_size(self, text, font_size, font_path, max_width, max_height, line_height_factor, char_spacing_factor):
try:
font = ImageFont.truetype(font_path, font_size)
except Exception as e:
@@ -109,19 +109,18 @@ class BookToolsTextToImage:
paragraphs = text.split('\n')
lines = []
max_line_width = 0
# compute pixel spacing from factor
char_spacing = font_size * char_spacing_factor
for paragraph in paragraphs:
words = paragraph.split()
current_line = []
current_width = 0
# Consider character spacing in the width calculation
char_spacing = font_size * 0.2 # Default char_spacing from parameters
for word in words:
# Get word width including spacing between characters
# measure word width using char_spacing
word_width = 0
for char in word:
bbox = font.getbbox(char)
@@ -434,7 +433,7 @@ class BookToolsTextToImage:
# First check if min_font_size fits
lines, fits, actual_width, actual_height = self.calculate_text_size(
text, min_font_size, font, effective_width, effective_height, line_height_factor
text, min_font_size, font, effective_width, effective_height, line_height_factor, char_spacing
)
if fits:
@@ -442,7 +441,7 @@ class BookToolsTextToImage:
while low <= high:
mid = (low + high) // 2
lines, fits, actual_width, actual_height = self.calculate_text_size(
text, mid, font, effective_width, effective_height, line_height_factor
text, mid, font, effective_width, effective_height, line_height_factor, char_spacing
)
if fits: