Ad5001/LogarithmPlotter
Ad5001/LogarithmPlotter
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Improving LaTeX rendering DPI.

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This commit is contained in:
Adsooi 2023-05-22 04:21:53 +02:00
parent 98f26d4919
commit 43d78e17e5
Signed by: Ad5001
GPG key ID: EF45F9C6AFE20160
1 changed files with 5 additions and 1 deletions
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6
LogarithmPlotter/util/latex.py
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@ -86,7 +86,7 @@ class Latex(QObject):
Prepares and renders a latex string into a png file. Prepares and renders a latex string into a png file.
""" """
markup_hash = hash(latex_markup) markup_hash = hash(latex_markup)
export_path = path.join(self.tempdir.name, f'{markup_hash}_{font_size}_{color.rgb()}') export_path = path.join(self.tempdir.name, f'{markup_hash}_{int(font_size)}_{color.rgb()}')
if self.latexSupported and not path.exists(export_path + ".png"): if self.latexSupported and not path.exists(export_path + ".png"):
print("Rendering", latex_markup, export_path) print("Rendering", latex_markup, export_path)
# Generating file # Generating file
@ -97,7 +97,11 @@ class Latex(QObject):
self.create_latex_doc(latex_path, latex_markup) self.create_latex_doc(latex_path, latex_markup)
self.convert_latex_to_dvi(latex_path) self.convert_latex_to_dvi(latex_path)
self.cleanup(latex_path) self.cleanup(latex_path)
# Creating four pictures of different sizes to better handle dpi.
self.convert_dvi_to_png(latex_path, export_path, font_size, color) self.convert_dvi_to_png(latex_path, export_path, font_size, color)
self.convert_dvi_to_png(latex_path, export_path+"@2", font_size*2, color)
self.convert_dvi_to_png(latex_path, export_path+"@3", font_size*3, color)
self.convert_dvi_to_png(latex_path, export_path+"@4", font_size*4, color)
except Exception as e: # One of the processes failed. A message will be sent every time. except Exception as e: # One of the processes failed. A message will be sent every time.
raise e raise e
img = QImage(export_path); img = QImage(export_path);