Ad5001/LogarithmPlotter
Ad5001/LogarithmPlotter
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Fixing LaTeX rendering on windows.

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Adsooi 2025-04-22 04:49:47 +02:00
parent 70333a4e41
commit 04e070058e
Signed by: Ad5001
GPG key ID: EF45F9C6AFE20160
2 changed files with 5 additions and 7 deletions
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4
runtime-pyside6/LogarithmPlotter/util/latex.py
View file

@ -195,7 +195,7 @@ class Latex(QObject):
# self.convert_dvi_to_png(latex_path, export_path+"@4", font_size*4, color) # self.convert_dvi_to_png(latex_path, export_path+"@4", font_size*4, color)
img = QImage(export_path) img = QImage(export_path)
# Small hack, not very optimized since we load the image twice, but you can't pass a QImage to QML and expect it to be loaded # Small hack, not very optimized since we load the image twice, but you can't pass a QImage to QML and expect it to be loaded
return f'{export_path}.png,{img.width()},{img.height()}' return f'file:///{export_path}.png,{img.width()},{img.height()}'
@Slot(str, float, QColor, result=str) @Slot(str, float, QColor, result=str)
def findPrerendered(self, latex_markup: str, font_size: float, color: QColor) -> str: def findPrerendered(self, latex_markup: str, font_size: float, color: QColor) -> str:
@ -206,7 +206,7 @@ class Latex(QObject):
data = "" data = ""
if path.exists(export_path + ".png"): if path.exists(export_path + ".png"):
img = QImage(export_path) img = QImage(export_path)
data = f'{export_path}.png,{img.width()},{img.height()}' data = f'file:///{export_path}.png,{img.width()},{img.height()}'
return data return data
def create_export_path(self, latex_markup: str, font_size: float, color: QColor): def create_export_path(self, latex_markup: str, font_size: float, color: QColor):

8
runtime-pyside6/tests/test_latex.py
View file

@ -47,7 +47,8 @@ def check_render_results(result):
result = result.toVariant() result = result.toVariant()
assert type(result) == str assert type(result) == str
[path, width, height] = result.split(",") [path, width, height] = result.split(",")
assert exists(path) assert path.startswith("file:///")
assert exists(path[len("file:///"):])
assert match(r"\d+", width) assert match(r"\d+", width)
assert match(r"\d+", height) assert match(r"\d+", height)
return True return True
@ -92,10 +93,7 @@ class TestLatex:
latex_obj.renderSync(*args) latex_obj.renderSync(*args)
prerendered = latex_obj.findPrerendered(*args) prerendered = latex_obj.findPrerendered(*args)
assert type(prerendered) == str assert type(prerendered) == str
[path, width, height] = prerendered.split(",") check_render_results(prerendered)
assert exists(path)
assert match(r"\d+", width)
assert match(r"\d+", height)
prerendered2 = latex_obj.findPrerendered(args[0], args[1]+2, args[2]) prerendered2 = latex_obj.findPrerendered(args[0], args[1]+2, args[2])
assert prerendered2 == "" assert prerendered2 == ""