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Fix orientation: remove landscape flag from SumatraPDF (PDF already landscape), remove win32print orientation interference

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adaptronic-label printer final
2026-02-23 13:39:27 +02:00
parent 7437c547ec
commit 71558cc983
1 changed files with 6 additions and 20 deletions
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26
print_label.py
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@@ -413,37 +413,23 @@ def print_to_printer(printer_name, file_path):
r"C:\Program Files (x86)\SumatraPDF\SumatraPDF.exe", r"C:\Program Files (x86)\SumatraPDF\SumatraPDF.exe",
]) ])
# Set printer to highest quality / landscape before sending job
if WIN32_AVAILABLE:
try:
import win32print
hPrinter = win32print.OpenPrinter(printer_name)
try:
props = win32print.GetPrinter(hPrinter, 2)
dm = props['pDevMode']
if dm:
dm.Orientation = 2 # DMORIENT_LANDSCAPE
dm.PrintQuality = -4 # DMRES_HIGH (highest DPI)
dm.YResolution = -4 # also set Y res
win32print.SetPrinter(hPrinter, 2, props, 0)
print("Printer set to landscape + high quality")
finally:
win32print.ClosePrinter(hPrinter)
except Exception as qe:
print(f"Could not configure printer quality/orientation: {qe}")
for sumatra_path in sumatra_paths: for sumatra_path in sumatra_paths:
if os.path.exists(sumatra_path): if os.path.exists(sumatra_path):
try: try:
print(f"Using SumatraPDF: {sumatra_path}") print(f"Using SumatraPDF: {sumatra_path}")
print(f"Sending to printer: {printer_name}") print(f"Sending to printer: {printer_name}")
# IMPORTANT: The PDF is already landscape (35mm wide x 25mm tall).
# Do NOT add "landscape" to print-settings — it would rotate an
# already-landscape PDF 90° again, printing it portrait.
# "noscale" alone tells SumatraPDF to honour the PDF page size
# exactly and not fit/stretch it to the printer paper.
result = subprocess.run([ result = subprocess.run([
sumatra_path, sumatra_path,
"-print-to", "-print-to",
printer_name, printer_name,
file_path, file_path,
"-print-settings", "-print-settings",
"noscale,landscape", # preserve dimensions + force landscape "noscale",
"-silent", "-silent",
"-exit-when-done" "-exit-when-done"
], check=False, creationflags=subprocess.CREATE_NO_WINDOW, ], check=False, creationflags=subprocess.CREATE_NO_WINDOW,