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| Instruction to desingn bitmap image in Paintshop program | == Using MS Paint == 1. Open logo in Paintshop and design bmp image 1. From the menus, select Image->Attribute. * Units = Pixels * Set the Width to a value lower than 512. You will need to adjust the height value accordingly. * Colors = Black and white (This is a must. This changes the image to 1-bit colour) 1. From the menus, select Image->Invert Colors 1. From the menus, select Image->Flip/Rotate. The image needs to be rotated by 270 degree 1. Save the image as Monocrome bitmap file 1. From a Linux terminal, run {{{ bmplogo logo.bmp }}}. The output will be called '''out.img''' 1. Send out.img to the docket printer {{{ lpr -P docket out.img }}} 1. Test the logo by printing a special file with the correct control characters to the same printer {{{ lpr -P docket /home/usr/danny/mods/docket-logo/logo-print.prn }}} ''' ''' |
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| 1. Open logo in Paintshop and design bmp image | == Using Gimp == ''' ''''''''' |
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| 2. Maximum horizontal pixels=512 3. Set Bitmap Size: select image-> attribute select units->pixels set colurs= Black and white ( if necessary) 4. The image needs to be inverted and rotation by 270 degree select image->invert clours select image->flip/rotate select roatate by angle slect 270 270 degrees 5. Save the image as Monocrome bitmap file 6. Run this command in a shell, this command will make '''out.img''' file bmplogo <filename > ( filename is the name of the bitmap image you just saved) 7. Now send this image to printer '''lpr -P lp1 out.img''' (lp1 is just a example of printerqueue, it depends on individual machine) 8. To test print Get the file called /docket-logo/logo-print.prn file from somewhere eg: '''lpr -P /home/usr/danny/mods/docket-logo/logo-print.prn''' '''''' |
1. Use GIMP to create the design {{{ gimp }}} 1. From the menus, select Filters->Colors->Value Invert. This needs to be done BEFORE the next step 1. From the menus, select Image->Mode->Indexed * Choose "Use black and white (1-bit) palette" option 1. From the menus, select Image->Scale Image * Ensure the units are in Pixels * Ensure that the width is no more than 512 1. From the menus, select Image->Transform->Rotate 90 degrees CCW 1. Save the image as a bmp 1. Perform Steps 6-8 from the "Using MS Paint" instructions |
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| If using GIMP, it is imperative that you invert the colours before converting to 1-bit pallette. Otherwise, you can invert the colours all youwant, but the printout will not be affected !! | |
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Adding Logo in a Docket
If the customer wants their Docket Printer to print their company logo in each docket they print. For this we have to get a logo from customer ( preferably soft copy not hard copy/ better if we don't have to scan), then we will customize the logo in our format and send it to printer memory.
Using MS Paint
- Open logo in Paintshop and design bmp image
From the menus, select Image->Attribute.
- Units = Pixels
- Set the Width to a value lower than 512. You will need to adjust the height value accordingly.
- Colors = Black and white (This is a must. This changes the image to 1-bit colour)
From the menus, select Image->Invert Colors
From the menus, select Image->Flip/Rotate. The image needs to be rotated by 270 degree
- Save the image as Monocrome bitmap file
From a Linux terminal, run bmplogo logo.bmp . The output will be called out.img
Send out.img to the docket printer
lpr -P docket out.img
Test the logo by printing a special file with the correct control characters to the same printer
lpr -P docket /home/usr/danny/mods/docket-logo/logo-print.prn
Using Gimp
Use GIMP to create the design
gimp
From the menus, select Filters->Colors->Value Invert. This needs to be done BEFORE the next step
From the menus, select Image->Mode->Indexed
- Choose "Use black and white (1-bit) palette" option
From the menus, select Image->Scale Image
- Ensure the units are in Pixels
- Ensure that the width is no more than 512
From the menus, select Image->Transform->Rotate 90 degrees CCW
- Save the image as a bmp
- Perform Steps 6-8 from the "Using MS Paint" instructions
Note: to test print in other machine
eg : cat logo-print.prn | ssh ccc@servername "cat>/dev/lp0"
Things that can go wrong
If some reason, the printer crashes or power failure , make sure you have backup of out.img file to resend it printer again.
If using GIMP, it is imperative that you invert the colours before converting to 1-bit pallette. Otherwise, you can invert the colours all youwant, but the printout will not be affected !! Also, if your logo is missing a few pixels on the right side, there is a bug in bmplogo, add 8 pixels to the right of your image (this will not appear on the printer) to temporarily work around this bug. The programmers should get this fixed soon.