6a11cf3d8d
- Remove build artifacts from git tracking (build/, dist/, __pycache__/, *.spec) - Updated .gitignore to properly exclude generated files - Added old_code/ documentation folder - Updated sample_data.txt to show new 5-field format - Exclude user-specific conf/app.conf from tracking
136 lines
4.6 KiB
Python
136 lines
4.6 KiB
Python
"""
|
|
Alternative PDF printing using GhostScript for superior quality.
|
|
GhostScript maintains vector quality better than SumatraPDF.
|
|
"""
|
|
|
|
import subprocess
|
|
import os
|
|
import sys
|
|
|
|
def find_ghostscript():
|
|
"""
|
|
Find GhostScript installation on Windows.
|
|
|
|
Returns:
|
|
str: Path to gswin64c.exe or gswin32c.exe, or None if not found
|
|
"""
|
|
possible_paths = [
|
|
r"C:\Program Files\gs\gs10.04.0\bin\gswin64c.exe",
|
|
r"C:\Program Files\gs\gs10.03.1\bin\gswin64c.exe",
|
|
r"C:\Program Files\gs\gs10.03.0\bin\gswin64c.exe",
|
|
r"C:\Program Files\gs\gs10.02.1\bin\gswin64c.exe",
|
|
r"C:\Program Files\gs\gs10.02.0\bin\gswin64c.exe",
|
|
r"C:\Program Files\gs\gs10.01.2\bin\gswin64c.exe",
|
|
r"C:\Program Files\gs\gs10.01.1\bin\gswin64c.exe",
|
|
r"C:\Program Files\gs\gs10.01.0\bin\gswin64c.exe",
|
|
r"C:\Program Files (x86)\gs\gs10.04.0\bin\gswin32c.exe",
|
|
r"C:\Program Files (x86)\gs\gs10.03.1\bin\gswin32c.exe",
|
|
r"C:\Program Files (x86)\gs\gs10.03.0\bin\gswin32c.exe",
|
|
]
|
|
|
|
# Check standard locations
|
|
for path in possible_paths:
|
|
if os.path.exists(path):
|
|
return path
|
|
|
|
# Search in gs directory
|
|
for program_files in [r"C:\Program Files", r"C:\Program Files (x86)"]:
|
|
gs_base = os.path.join(program_files, "gs")
|
|
if os.path.exists(gs_base):
|
|
for version_dir in os.listdir(gs_base):
|
|
for exe_name in ["gswin64c.exe", "gswin32c.exe"]:
|
|
gs_path = os.path.join(gs_base, version_dir, "bin", exe_name)
|
|
if os.path.exists(gs_path):
|
|
return gs_path
|
|
|
|
return None
|
|
|
|
def print_pdf_with_ghostscript(pdf_path, printer_name):
|
|
"""
|
|
Print PDF using GhostScript for maximum quality.
|
|
GhostScript renders PDF at high resolution and maintains vector quality.
|
|
|
|
Args:
|
|
pdf_path (str): Path to PDF file
|
|
printer_name (str): Name of the printer
|
|
|
|
Returns:
|
|
bool: True if successful
|
|
"""
|
|
gs_path = find_ghostscript()
|
|
|
|
if not gs_path:
|
|
print("GhostScript not found. Install from: https://ghostscript.com/releases/gsdnld.html")
|
|
return False
|
|
|
|
try:
|
|
# GhostScript command for high-quality printing
|
|
# -dNOPAUSE: Don't pause between pages
|
|
# -dBATCH: Exit after processing
|
|
# -sDEVICE=mswinpr2: Windows printer device (high quality)
|
|
# -dNOSAFER: Allow file operations
|
|
# -r1200: 1200 DPI resolution
|
|
# -sOutputFile: Printer name with %printer% syntax
|
|
|
|
cmd = [
|
|
gs_path,
|
|
'-dNOPAUSE',
|
|
'-dBATCH',
|
|
'-sDEVICE=mswinpr2', # Windows printer with high quality
|
|
'-dNOSAFER',
|
|
'-r1200', # 1200 DPI - matches our PDF quality
|
|
'-dTextAlphaBits=4', # Anti-aliasing for text
|
|
'-dGraphicsAlphaBits=4', # Anti-aliasing for graphics
|
|
f'-sOutputFile=%printer%{printer_name}',
|
|
pdf_path
|
|
]
|
|
|
|
print(f"Printing with GhostScript at 1200 DPI...")
|
|
result = subprocess.run(
|
|
cmd,
|
|
check=True,
|
|
capture_output=True,
|
|
text=True,
|
|
creationflags=subprocess.CREATE_NO_WINDOW if os.name == 'nt' else 0
|
|
)
|
|
|
|
print(f"✅ Label sent to printer via GhostScript: {printer_name}")
|
|
return True
|
|
|
|
except subprocess.CalledProcessError as e:
|
|
print(f"GhostScript print failed: {e}")
|
|
if e.stderr:
|
|
print(f"Error details: {e.stderr}")
|
|
return False
|
|
except Exception as e:
|
|
print(f"Error printing with GhostScript: {e}")
|
|
return False
|
|
|
|
def check_ghostscript_available():
|
|
"""
|
|
Check if GhostScript is available.
|
|
|
|
Returns:
|
|
tuple: (available: bool, path: str or None)
|
|
"""
|
|
gs_path = find_ghostscript()
|
|
return (gs_path is not None, gs_path)
|
|
|
|
if __name__ == "__main__":
|
|
# Test GhostScript availability
|
|
available, gs_path = check_ghostscript_available()
|
|
|
|
if available:
|
|
print(f"✅ GhostScript found at: {gs_path}")
|
|
print("GhostScript is available for high-quality PDF printing")
|
|
else:
|
|
print("❌ GhostScript not found")
|
|
print("\nTo install GhostScript:")
|
|
print("1. Download from: https://ghostscript.com/releases/gsdnld.html")
|
|
print("2. Install the Windows 64-bit version")
|
|
print("3. Restart your application")
|
|
print("\nGhostScript provides superior print quality by:")
|
|
print(" • Maintaining vector graphics quality")
|
|
print(" • Rendering at full 1200 DPI")
|
|
print(" • Better text anti-aliasing")
|