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better font handling

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This commit is contained in:
ArnoChen
2025-02-04 17:31:21 +08:00
parent 3ae2719bfb
commit b8574ae099
5 changed files with 212 additions and 25 deletions
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52
extra/VisualizationTool/graph_visualizer.py
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@@ -20,6 +20,9 @@ import os
CUSTOM_FONT = "font.ttf"
DEFAULT_FONT_ENG = "Geist-Regular.ttf"
DEFAULT_FONT_CHI = "SmileySans-Oblique.ttf"
class Node3D:
"""Class representing a 3D node in the graph"""
@@ -1169,39 +1172,38 @@ def main():
# You will need to provide it yourself, or use another font.
font_filename = CUSTOM_FONT
use_custom_font = False
if not hello_imgui.asset_exists(font_filename):
asset_dir = os.path.join(os.path.dirname(__file__), "assets")
if os.path.isfile(os.path.join(asset_dir, font_filename)):
hello_imgui.set_assets_folder(asset_dir)
use_custom_font = True
io = imgui.get_io()
io.fonts.tex_desired_width = 4096 # Larger texture for better CJK font quality
font_size_pixels = 14
asset_dir = os.path.join(os.path.dirname(__file__), "assets")
if not use_custom_font:
io.fonts.add_font_default()
# Try to load custom font
if not os.path.isfile(font_filename):
font_filename = os.path.join(asset_dir, font_filename)
if os.path.isfile(font_filename):
custom_font = io.fonts.add_font_from_file_ttf(
filename=font_filename,
size_pixels=font_size_pixels,
glyph_ranges_as_int_list=io.fonts.get_glyph_ranges_chinese_full(),
)
io.font_default = custom_font
return
# Set up font loading parameters with Chinese character support
font_loading_params = hello_imgui.FontLoadingParams()
font_loading_params.glyph_ranges = hello_imgui.translate_common_glyph_ranges(
imgui.get_io().fonts.get_glyph_ranges_chinese_full()
# Load default fonts
io.fonts.add_font_from_file_ttf(
filename=os.path.join(asset_dir, DEFAULT_FONT_ENG),
size_pixels=font_size_pixels,
)
custom_font = hello_imgui.load_font(font_filename, 16.0, font_loading_params)
font_config = imgui.ImFontConfig()
font_config.merge_mode = True
# # Merge with default font
# font_config = imgui.ImFontConfig()
# font_config.merge_mode = True
# custom_font = io.fonts.add_font_from_file_ttf(
# filename= "assets/" + font_filename,
# size_pixels=16.0,
# font_cfg=font_config,
# glyph_ranges_as_int_list=cn_glyph_ranges_imgui,
# )
io.font_default = custom_font
io.font_default = io.fonts.add_font_from_file_ttf(
filename=os.path.join(asset_dir, DEFAULT_FONT_CHI),
size_pixels=font_size_pixels,
font_cfg=font_config,
glyph_ranges_as_int_list=io.fonts.get_glyph_ranges_chinese_full(),
)
runner_params.callbacks.load_additional_fonts = load_font