Fix printing: landscape orientation + high quality DPI via win32print before SumatraPDF job

build_windows.bat

@@ -48,6 +48,17 @@ if errorlevel 1 (
 )
 echo.
 
+REM Check that SumatraPDF.exe exists before building
+if not exist "conf\SumatraPDF.exe" (
+    echo ERROR: conf\SumatraPDF.exe not found!
+    echo Please download SumatraPDF portable exe and place it at conf\SumatraPDF.exe
+    echo Download from: https://www.sumatrapdfreader.org/download-free-pdf-viewer
+    pause
+    exit /b 1
+)
+echo conf\SumatraPDF.exe found - will be bundled into executable.
+echo.
+
 REM Clean old build
 echo [4/5] Cleaning old build artifacts...
 if exist "dist" rmdir /s /q dist
@@ -79,6 +90,11 @@ pyinstaller label_printer_gui.py ^
     --hidden-import=watchdog.events ^
     --hidden-import=pystray ^
     --hidden-import=win32timezone ^
+    --add-data "conf\SumatraPDF.exe;." ^
+    --add-data "conf\SumatraPDF-settings.txt;conf" ^
+    --add-data "conf\label_template_ok.svg;conf" ^
+    --add-data "conf\label_template_nok.svg;conf" ^
+    --add-data "conf\label_template.svg;conf" ^
     -y
 
 if errorlevel 1 (
@@ -94,12 +110,26 @@ echo ========================================================
 echo   BUILD SUCCESSFUL!
 echo ========================================================
 echo.
+echo Copying conf folder to dist\conf ...
+if exist dist\conf rmdir /s /q dist\conf
+xcopy /e /i /q conf dist\conf
+if errorlevel 1 (
+    echo WARNING: Could not copy conf folder to dist\conf
+    echo You must manually copy the conf folder next to LabelPrinter.exe before deployment.
+) else (
+    echo conf folder copied to dist\conf successfully.
+)
+echo.
 echo Executable Location: dist\LabelPrinter.exe
 echo.
+echo Deployment folder contents:
+dir dist
+echo.
 echo Next steps:
-echo   1. Navigate to the dist folder
-echo   2. Double-click LabelPrinter.exe to run
-echo   3. You can copy LabelPrinter.exe to other machines
+echo   1. Copy the entire dist\ folder to the target machine
+echo      (it contains LabelPrinter.exe AND the conf\ folder)
+echo   2. Run LabelPrinter.exe from the dist folder
+echo   3. Ensure conf\SumatraPDF.exe is present for printing to work
 echo.
 echo Note: First run may take a moment as Kivy initializes
 echo.