pyWebLayout/scripts/debug_text_positioning.py

77 lines
2.1 KiB
Python

#!/usr/bin/env python3
"""
Debug script to test text positioning in the line breaking system
"""
import sys
from pathlib import Path
from PIL import Image, ImageDraw
from pyWebLayout.style import Font
from pyWebLayout.concrete.text import Text, Line
from pyWebLayout.style.layout import Alignment
# Add pyWebLayout to path
sys.path.insert(0, str(Path(__file__).parent))
def test_simple_text_rendering():
"""Test basic text rendering to debug positioning issues"""
# Create a simple image
width, height = 300, 200
image = Image.new('RGB', (width, height), 'white')
draw = ImageDraw.Draw(image)
# Draw a border for reference
draw.rectangle([0, 0, width-1, height-1], outline=(200, 200, 200), width=2)
# Create a font
font = Font(font_size=12)
# Test 1: Direct PIL text rendering
print("Test 1: Direct PIL text rendering")
draw.text((10, 30), "Direct PIL text", font=font.font, fill=(0, 0, 0))
# Test 2: Using our Text class
print("Test 2: Using Text class")
text_obj = Text("Text class rendering", font, draw)
text_obj.set_origin([10, 60]) # Set position
print(f"Text origin: {text_obj.origin}")
text_obj.render()
# Test 3: Using Line class
print("Test 3: Using Line class")
line = Line(
spacing=(2, 6),
origin=(10, 100),
size=(280, 20),
draw=draw,
font=font,
halign=Alignment.LEFT
)
# Create a simple word to add to the line
from pyWebLayout.abstract.inline import Word
word = Word("Line class rendering", font)
success, overflow = line.add_word(word)
print(f"Word added successfully: {success}")
print(f"Line origin: {line.origin}")
print(f"Line baseline: {line._baseline}")
print(f"Text objects in line: {len(line.text_objects)}")
if line.text_objects:
for i, text in enumerate(line.text_objects):
print(f" Text {i}: '{text.text}' at origin {text.origin}")
line.render()
# Save the debug image
image.save("debug_text_positioning.png")
print("Debug image saved as debug_text_positioning.png")
if __name__ == "__main__":
test_simple_text_rendering()