receipt-print-hq / escpos-tools Goto Github PK
View Code? Open in Web Editor NEWUtilities to read ESC/POS print data
License: MIT License
Utilities to read ESC/POS print data
License: MIT License
We will need to introduce tests to avoid breaking supported PHP versions. The more versions we support, the more locked down we are on which dependencies, language features etc we can use.
At the time of writing, we have 5.6 and 7.0 being tested already, which does not include any versions outside of security update coverage.
Are we happy to adopt a practice of dropping compatibility with unsupported versions of PHP at each major release?
Hi,
I'm trying to convert an ESCPOS binary file to HTML document.
when I run this command: php esc2html.php ascii.bin >output.html
I get errors:
this is the file ascii.bin
ascii.txt
Hi I got error when I using some .png image when I want to convert to html (not all png image, but I don't know what different between the image that error and the image that not) . This the errors look like
php esc2html.php temp_print.bin > receipt-with-logo.html
PHP Fatal error: Uncaught ImagickException: UnableToReadImageData `' @ error/pnm.c/ReadPNMImage/1319 in C:\xampp\htdocs\MyProject\public\escpos-tools-master\src\Parser\Command\StoreRasterFmtDataToPrintBufferGraphicsSubCmd.php:81
Stack trace:
#0 C:\xampp\htdocs\MyProject\public\escpos-tools-master\src\Parser\Command\StoreRasterFmtDataToPrintBufferGraphicsSubCmd.php(81): Imagick->readimageblob('P4\n764 830\n\x00\x00\x00\x00...', 'pbm')
#1 C:\xampp\htdocs\MyProject\public\escpos-tools-master\esc2html.php(59): ReceiptPrintHq\EscposTools\Parser\Command\StoreRasterFmtDataToPrintBufferGraphicsSubCmd->asPng()
#2 {main}
thrown in C:\xampp\htdocs\MyProject\public\escpos-tools-master\src\Parser\Command\StoreRasterFmtDataToPrintBufferGraphicsSubCmd.php on line 81
Thank you!
Receipts can contain raster images in a number of formats. The example file in the repository contains an image represented by two GraphicsDataCmd
calls (one to set the buffer, one to trigger the print).
Other than the header, this format is identical to the binary pbm
(P4) file, so we can extract this data without any image libraries.
Create a new script (could name it escimages
in the spirit of pdfimages) which locates GraphicsDataCmd calls, extracts PBM data, and writes out an a PBM file for each image.
This is the opposite of the task performed in graphics() in escpos-php.
Hi,
I'm trying to capture the output send by an Epson tm-t20ii printer and converting that to text.
I am able to capture data with nc (or as i prefer a perl script).
When i try to print that file using "cat tmp.bin > /dev/usb/lp0" i get a correct looking receipt.
But when i try to run it through esc2text i get the following output :
pi@raspberrypi:~/pos/tmp $ cat output.txt
WARNING: Unknown command (J
WARNING: Unknown command (J
WARNING: Unknown command (J
WARNING: Unknown command P
WARNING: Unknown command 8
WARNING: Unknown command
WARNING: Unknown command
WARNING: Unknown command
WARNING: Unknown command
WARNING: Unknown command @
WARNING: Unknown command
WARNING: Unknown command
WARNING: Unknown command
WARNING: Unknown command
WARNING: Unknown command
WARNING: Unknown command
WARNING: Unknown command
WARNING: Unknown command
WARNING: Unknown command
WARNING: Unknown command
WARNING: Unknown command
WARNING: Unknown command
WARNING: Unknown command
WARNING: Unknown command 0
WARNING: Unknown command @
WARNING: Unknown command
WARNING: Unknown command
WARNING: Unknown command
WARNING: Unknown command ?
WARNING: Unknown command 0
WARNING: Unknown command @
WARNING: Unknown command
WARNING: Unknown command
WARNING: Unknown command
WARNING: Unknown command
WARNING: Unknown command 0
WARNING: Unknown command
WARNING: Unknown command
WARNING: Unknown command
WARNING: Unknown command
WARNING: Unknown command
WARNING: Unknown command @
WARNING: Unknown command
WARNING: Unknown command
WARNING: Unknown command
WARNING: Unknown command
WARNING: Unknown command
WARNING: Unknown command
WARNING: Unknown command
WARNING: Unknown command
WARNING: Unknown command
WARNING: Unknown command
WARNING: Unknown command
WARNING: Unknown command
WARNING: Unknown command
WARNING: Unknown command
WARNING: Unknown command
WARNING: Unknown command
WARNING: Unknown command
WARNING: Unknown command
WARNING: Unknown command
WARNING: Unknown command
WARNING: Unknown command WARNING: Unknown command WARNING: Unknown command WARNING: Unknown command WARNING: Unknown command WARNING: Unknown command WARNING: Unknown command 1 WARNING: Unknown command WARNING: Unknown command WARNING: Unknown command B WARNING: Unknown command WARNING: Unknown command B WARNING: Unknown command WARNING: Unknown command B WARNING: Unknown command WARNING: Unknown command B WARNING: Unknown command WARNING: Unknown command WARNING: Unknown command B WARNING: Unknown command WARNING: Unknown command WARNING: Unknown command WARNING: Unknown command WARNING: Unknown command P WARNING: Unknown command WARNING: Unknown command WARNING: Unknown command WARNING: Unknown command WARNING: Unknown command @ WARNING: Unknown command @ WARNING: Unknown command WARNING: Unknown command WARNING: Unknown command WARNING: Unknown command WARNING: Unknown command WARNING: Unknown command WARNING: Unknown command WARNING: Unknown command WARNING: Unknown command WARNING: Unknown command WARNING: Unknown command WARNING: Unknown command WARNING: Unknown command WARNING: Unknown command WARNING: Unknown command WARNING: Unknown command WARNING: Unknown command WARNING: Unknown command WARNING: Unknown command WARNING: Unknown command @ WARNING: Unknown command WARNING: Unknown command WARNING: Unknown command WARNING: Unknown command WARNING: Unknown command WARNING: Unknown command WARNING: Unknown command WARNING: Unknown command WARNING: Unknown command WARNING: Unknown command WARNING: Unknown command WARNING: Unknown command WARNING: Unknown command WARNING: Unknown command WARNING: Unknown command ? WARNING: Unknown command WARNING: Unknown command WARNING: Unknown command WARNING: Unknown command WARNING: Unknown command WARNING: Unknown command WARNING: Unknown command WARNING: Unknown command WARNING: Unknown command WARNING: Unknown command WARNING: Unknown command WARNING: Unknown command WARNING: Unknown command WARNING: Unknown command WARNING: Unknown command WARNING: Unknown command WARNING: Unknown command WARNING: Unknown command WARNING: Unknown command WARNING: Unknown command WARNING: Unknown command ? WARNING: Unknown command ? WARNING: Unknown command WARNING: Unknown command ? WARNING: Unknown command WARNING: Unknown command ? WARNING: Unknown command WARNING: Unknown command WARNING: Unknown command WARNING: Unknown command WARNING: Unknown command WARNING: Unknown command WARNING: Unknown command ? WARNING: Unknown command WARNING: Unknown command @ WARNING: Unknown command WARNING: Unknown command @ WARNING: Unknown command WARNING: Unknown command @ WARNING: Unknown command WARNING: Unknown command @ WARNING: Unknown command WARNING: Unknown command WARNING: Unknown command WARNING: Unknown command ? WARNING: Unknown command
WARNING: Unknown command ?
WARNING: Unknown command
WARNING: Unknown command @
WARNING: Unknown command ?
WARNING: Unknown command ?
WARNING: Unknown command
WARNING: Unknown command ?
WARNING: Unknown command ?
WARNING: Unknown command
WARNING: Unknown command ?
WARNING: Unknown command ?
WARNING: Unknown command
WARNING: Unknown command
WARNING: Unknown command
WARNING: Unknown command
WARNING: Unknown command
WARNING: Unknown command
WARNING: Unknown command
WARNING: Unknown command
WARNING: Unknown command
WARNING: Unknown command
WARNING: Unknown command
WARNING: Unknown command
WARNING: Unknown command
WARNING: Unknown command
WARNING: Unknown command
WARNING: Unknown command
WARNING: Unknown command
WARNING: Unknown command
WARNING: Unknown command
WARNING: Unknown command
WARNING: Unknown command
WARNING: Unknown command
WARNING: Unknown command
WARNING: Unknown command @
WARNING: Unknown command
WARNING: Unknown command
WARNING: Unknown command
WARNING: Unknown command
WARNING: Unknown command ?
WARNING: Unknown command
WARNING: Unknown command @
WARNING: Unknown command
WARNING: Unknown command
WARNING: Unknown command ?
WARNING: Unknown command
WARNING: Unknown command
WARNING: Unknown command ?
WARNING: Unknown command
WARNING: Unknown command
WARNING: Unknown command ?
WARNING: Unknown command
WARNING: Unknown command
WARNING: Unknown command
WARNING: Unknown command
WARNING: Unknown command
WARNING: Unknown command
WARNING: Unknown command
WARNING: Unknown command
WARNING: Unknown command
WARNING: Unknown command
WARNING: Unknown command
WARNING: Unknown command
WARNING: Unknown command
WARNING: Unknown command
WARNING: Unknown command
WARNING: Unknown command
WARNING: Unknown command
WARNING: Unknown command
WARNING: Unknown command @
WARNING: Unknown command
WARNING: Unknown command
WARNING: Unknown command
WARNING: Unknown command `
WARNING: Unknown command
WARNING: Unknown command @
WARNING: Unknown command
WARNING: Unknown command
WARNING: Unknown command
WARNING: Unknown command
WARNING: Unknown command
WARNING: Unknown command
WARNING: Unknown command
WARNING: Unknown command
WARNING: Unknown command
WARNING: Unknown command
WARNING: Unknown command
WARNING: Unknown command
WARNING: Unknown command
WARNING: Unknown command
WARNING: Unknown command
WARNING: Unknown command
WARNING: Unknown command @
WARNING: Unknown command
WARNING: Unknown command
WARNING: Unknown command 8
WARNING: Unknown command
WARNING: Unknown command
WARNING: Unknown command @
WARNING: Unknown command
WARNING: Unknown command
WARNING: Unknown command
WARNING: Unknown command
WARNING: Unknown command
WARNING: Unknown command
WARNING: Unknown command
WARNING: Unknown command
WARNING: Unknown command
WARNING: Unknown command
WARNING: Unknown command
WARNING: Unknown command
WARNING: Unknown command
WARNING: Unknown command @
WARNING: Unknown command
WARNING: Unknown command
WARNING: Unknown command
WARNING: Unknown command
WARNING: Unknown command
WARNING: Unknown command
WARNING: Unknown command ?
WARNING: Unknown command
WARNING: Unknown command ?
WARNING: Unknown command
WARNING: Unknown command
WARNING: Unknown command
WARNING: Unknown command ?
WARNING: Unknown command
WARNING: Unknown command
WARNING: Unknown command ?
WARNING: Unknown command
WARNING: Unknown command
WARNING: Unknown command ?
WARNING: Unknown command
WARNING: Unknown command
WARNING: Unknown command
WARNING: Unknown command
WARNING: Unknown command
WARNING: Unknown command
WARNING: Unknown command
WARNING: Unknown command
WARNING: Unknown command
WARNING: Unknown command
WARNING: Unknown command
WARNING: Unknown command
WARNING: Unknown command
WARNING: Unknown command
WARNING: Unknown command ?
WARNING: Unknown command
WARNING: Unknown command @
WARNING: Unknown command
WARNING: Unknown command
WARNING: Unknown command
WARNING: Unknown command
WARNING: Unknown command
WARNING: Unknown command @
WARNING: Unknown command
WARNING: Unknown command
WARNING: Unknown command
WARNING: Unknown command
WARNING: Unknown command
WARNING: Unknown command
WARNING: Unknown command
WARNING: Unknown command
WARNING: Unknown command @
WARNING: Unknown command @
WARNING: Unknown command
WARNING: Unknown command ?
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@ ? 0?
@???????>???? ???? ?????????@?@?????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????>???????? @C?0@ @?? @b????@ @@? @b??B@ @@? @d?B@ @@bd? ?@ @@bd? P@ @?(? ?@ B(? @ @?B @ @b?@ @ @b?@ @ @b??? @ @b?A 8 0?@@?????σ?>??/???> ?????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????@???>??????????????8 ? A? A@@ ?@@ ??? @?@@ @@?? @? @?@@ @@@? @? @?@@ @@@ ? @?@@ @@@ ? @?@@ @@@ ??????A@ @@@ ???@ ????_???????????@ @@@" ? B@ @@@? !@?? A@? @@? !@??@ @?@@ @@?@@ ????@ @?@@? ? A???p@ @@@????>?????_?????p????@??|??>??????????}?????? ??A ?? ? ? @?@???? @@? ??@???? @@!? ??? @@"? ??@? ?@??
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A??@? ? ?? @? @@? ??? @?! @@ ? @?! @@!B0 @? @ @@!B0@? @ @@"??? @@ @@?0?@@? @? @@?0 @? @ @@ ?
@? @ @@ !?
@ @? @ @@? !?@ @? ? ? ` !??p@@?? ?????
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The file in question, comes from a working windows POS, setup using correct epson drivers.
When i compare the file to the receipt-with-logo.bin demo file, they seem to be totally different.
Making me think i need to convert this more before running it through esc2text ?
Any idea's ?
Three calls to implode() en esc2html.php at lines 52, 70 and 172 have the parameters in the wrong order, according to https://www.php.net/manual/es/function.implode.php
This relates to the data file in issue #64.
We expect to get the text presented by esc2html
in a HTML page (plus a pile of warnings), but instead it crashes with an ImagickException
.
$ php esc2html.php examples/2019-10-ascii.txt
WARNING: Unknown command DLE NUL
WARNING: Unknown command DLE �
WARNING: Unknown command DLE �
WARNING: Unknown command DLE �
WARNING: Unknown command DLE �
WARNING: Unknown command DLE !
WARNING: Unknown command DLE NUL
WARNING: Unknown command DLE A
WARNING: Unknown command DLE @
WARNING: Unknown command DLE !
WARNING: Unknown command DLE NUL
WARNING: Unknown command DLE A
WARNING: Unknown command DLE @
WARNING: Unknown command DLE !
WARNING: Unknown command DLE NUL
WARNING: Unknown command DLE !
WARNING: Unknown command DLE D
WARNING: Unknown command DLE @
WARNING: Unknown command DLE !
WARNING: Unknown command DLE NUL
WARNING: Unknown command DLE !
WARNING: Unknown command DLE D
WARNING: Unknown command DLE @
WARNING: Unknown command DLE
WARNING: Unknown command DLE NUL
WARNING: Unknown command DLE �
WARNING: Unknown command DLE �
PHP Fatal error: Uncaught ImagickException: insufficient image data in file `' @ error/pnm.c/ReadPNMImage/443 in /home/mike/workspace/escpos-tools/src/Parser/Command/StoreRasterFmtDataToPrintBufferGraphicsSubCmd.php:81
Stack trace:
#0 /home/mike/workspace/escpos-tools/src/Parser/Command/StoreRasterFmtDataToPrintBufferGraphicsSubCmd.php(81): Imagick->readimageblob('P4\n39107 49665\n...', 'pbm')
#1 /home/mike/workspace/escpos-tools/esc2html.php(101): ReceiptPrintHq\EscposTools\Parser\Command\StoreRasterFmtDataToPrintBufferGraphicsSubCmd->asPng()
#2 /home/mike/workspace/escpos-tools/esc2html.php(64): imgAsDataUrl(Object(ReceiptPrintHq\EscposTools\Parser\Command\StoreRasterFmtDataToPrintBufferGraphicsSubCmd))
#3 {main}
thrown in /home/mike/workspace/escpos-tools/src/Parser/Command/StoreRasterFmtDataToPrintBufferGraphicsSubCmd.php on line 81
I am getting margin on top. Printer model RP-76II Rongta any idea how to solve this?
Hello,
We have a TM20II, connected to a debian server with USB.
We have some freeze event when printing images (gray level).
We change some image properties : resolution, size, etc
but sometimes, the printing freeze.
And when the image printing ik ok, we can see some blank lines.
Is there any buffer effects? Some characters/codes wich can freeze the printer?
We tried some 300 pixels width at 72 dpi (arround 200 pixels height). It seems that the problem is not so frequent. With some 500 pixels width images, it 1 freeze over 3 images.
Thank you for your help.
Didier
Hi,
I have an example where the output differs a bit from the input.
It cut the receipt a little bit short, like there needs to be a whiteline in between.
I have attached the .bin and combined .pbm files, and you should be able to see that under "soda" the dashes ---- are a little bit to high, making tesseract having trouble with that line.
Anything possible to avoid this ?
Tesseract output
.bin and .pbm files
Unable to generate barcode while converting to html. Any light on how to achieve this is appreciated. Thanks
TODO for features to track.
Hello,
I've installed composer and try to run composer install
in escpos-tools directory but i fails everytime. I can't find much information online regarding this issue. Do you have any idea of what the problem is?
Failed
to extract mike42/escpos-php: (12) unzip -qq -o '/home/escpos-tools/vendor/composer/tmp-028734732e7c980daaaa65ef1d064172' -d '/home/escpos-tools/vendor/composer/615da83c' `
error: invalid zip file with overlapped components (possible zip bomb)
Add example to repository that contains double-height text, and implement support double height text in HTML output.
On the same line, mixing widths should cause the text to be aligned to the baseline.
Can we have an option here to not output .png files ?
Im running this on a raspberry pi and this would generate more load on the sd card then needed.
Since 2 days I try to install your stupid programm:
Why the fuck do I need some "composer" for your stupid programm.
2 fucking day lost just to install your bullshit.
You have a www folder. But no this fucker need some composer to install his bullshit.
FCK IDIOT.
Make things complicated that are easy.
Standalone innstallaiton is not possible:
no. THIS FUCKER needs some "Composer":
Go to hell with your compoer and your stupid software.
Noted in #20 as a warning.
Cannot find this command mentioned in any programming guide, probably need to guess its length and discard it.
Relevant hexdump showing three usages of the command (Hex code 1d 28 4a
)-
00000000 1b 3d 01 1d 28 4a 02 00 01 00 1d 28 4a 02 00 02 |.=..(J.....(J...|
00000010 00 1d 28 4a 02 00 03 00 1b 63 30 02 1b 63 31 02 |..(J.....c0..c1.|
Hello,
Can you please help with a snipet of code that would dump and forward individual binary data bursts to a seperate file ?
This appears to be related to using the alternate color.
Using escpos-php: $this->printer->setColor(Printer::COLOR_2);
Test File: 20171026095727437663497.txt
I'll submit a PR for this shortly.
When I run esc2text on my binary file, I get the following output:
WARNING: Unknown command FS
PuTTYWARNING: Unknown command ESC W
WARNING: Unknown command ESC W
WARNING: Unknown command ESC W
WARNING: Unknown command ESC W
WARNING: Unknown command ESC W
WARNING: Unknown command ESC W
WARNING: Unknown command ESC W
WARNING: Unknown command ESC W
WARNING: Unknown command ESC FF
WARNING: Unknown command ESC S
WARNING: Unknown command GS FF
=~d@▒▒▒▒▒▒▒h▒ ▒▒:0▒UPh▒p▒▒
▒x▒▒
▒x▒
9x\▒
vxh▒p▒▒0▒▒0▒▒0▒▒0▒0▒)0▒@(▒L0▒g(x▒HQey0p▒
▒▒HhhxHp6xQP▒k▒x▒H▒▒▒
▒x▒7▒@
When I look at the binary, I can see alot of actual ESC/POS commands but in between it raster graphics. Is there something I am doing wrong to extract the text from this?
Thanks.
Printers allow switching to a "Font B" and sometimes "Font C", which is slightly smaller.
Commands which affect the selected font include-
SelectPrintModeCmd
(select A or B)SelectFontCmd
(Select A, B or C)InitializeCmd
(Reset to A).Store these as inline formatting, implement CSS classes for font B and C, using a simple font-size
switch.
It could be usefull to have this great tool packaged in a docker image.
I can make a pull request, I have a Dockerfile ready for this.
Duplicate the README pages in troff
format for use as man
pages.
This is a pre-requisite for OS-specific packaging.
The captured a receipt's binary bellow:
receipt.log
does not seem to play nice with the library. The printer is Rongta-RP80 on windows
Printing the included sample bin file yeilded this :
Thank you for your help.
Hi, I get this error when using Mike42 - esc2html
D:\xampp\htdocs\escpos-tools>php esc2html.php receipt-with-logo.bin > output.html
PHP Fatal error: Uncaught TypeError: implode(): Argument #2 ($array) must be of type ?array, string given in D:\xampp\htdocs\escpos-tools\esc2html.php:63
Stack trace:
#0 D:\xampp\htdocs\escpos-tools\esc2html.php(63): implode(Array, ' ')
#1 {main}
thrown in D:\xampp\htdocs\escpos-tools\esc2html.php on line 63
Hi,
Does esc2html command support QR codes?
Example file: unifont-print-buffer.bin
This contains the text "Hello World", rendered with a user-defined character set.
We first need to detect/skip these commands correctly, then add substitution characters, then finally the correct bitmaps. Size/orientation is not required to close this issue off.
$ php esc2text.php unifont-print-buffer.bin
WARNING: Unknown command ESC %
WARNING: Unknown command ESC &
WARNING: Unknown command ESC &
WARNING: Unknown command ESC &
WARNING: Unknown command DLE
WARNING: Unknown command ESC &
WARNING: Unknown command ESC %
WARNING: Unknown command ESC &
WARNING: Unknown command ESC &
WARNING: Unknown command ESC &
ⁿÇÇÇÇⁿ !°DDDD╚!"ⁿ""#°°#
$ⁿ0└└0ⁿ$#%ⁿÇ%"&ⁿ&
Currently, raster-format graphics (GS ( L
) are supported.
Add at least one command that interprets column format bit images. This is the opposite of bitImageColumnFormat() in escpos-php.
The SelectCharacterSizeCmd
may request any height or width multiple up to 8x8. The text-size.bin
example from escpos-php
exercises this (screen capture from #15)-
Correctly rendered, this should cause a large variety of heights and widths to be displayed.
@mike42 I'm using your library to decode the ESC/POS printer windows spool file. It works well for most inputs.
I came across one binary file which causes output of garbled characters like this. I verified that it contains ESC/POS commands, its just that the text output is garbled.
The windows spool file was generated by a thermal receipt printer while printing a grocery bill at a supermarket.
Here's the zipped binary causing the issue, looking forward for a suggestion to get usable text output.
Hey,
It is not possible to load this package via composer at the moment because
I have just upgraded my PHP to 8.2 and moved to a new server.
Would anyone be able to confirm that this should working on 8.2 or suggest a way to resolve this error? I just dont want to waste my time if it is not supposed to work.
Many Thanks.
Adam
[03-May-2024 20:31:58 UTC] PHP Fatal error: Uncaught Error: Undefined constant "ReceiptPrintHq\EscposTools\Parser\Command\STDERR" in /var/www/smartinsight_test/deva/SMART/httpdocs/vendor/escpos-tools/src/Parser/Command/Printout.php:189
Stack trace:
#0 /var/www/smartinsight_test/deva/SMART/httpdocs/vendor/escpos-tools/src/Parser/Command/Printout.php(154): ReceiptPrintHq\EscposTools\Parser\Command\Printout->logUnknownCommand()
#1 /var/www/smartinsight_test/deva/SMART/httpdocs/vendor/escpos-tools/src/Parser/Command/Printout.php(123): ReceiptPrintHq\EscposTools\Parser\Command\Printout->navigateCommand()
#2 /var/www/smartinsight_test/deva/SMART/httpdocs/vendor/escpos-tools/src/Parser/Parser.php(43): ReceiptPrintHq\EscposTools\Parser\Command\Printout->addChar()
#3 /var/www/smartinsight_test/deva/SMART/httpdocs/app/e-shop-pledge-action.php(55): ReceiptPrintHq\EscposTools\Parser\Parser->addString()
#4 /var/www/smartinsight_test/deva/SMART/httpdocs/app/e-shop-pledge-action.php(309): ReceiptToHtml()
#5 {main}
thrown in /var/www/smartinsight_test/deva/SMART/httpdocs/vendor/escpos-tools/src/Parser/Command/Printout.php on line 189
There is an example file online here which produces buggy output, because these tools do not recognise ESC {
and GS B
.
$ php esc2text.php My_receipt.bin
WARNING: Unknown command GS B
WARNING: Unknown command GS B
WARNING: Unknown command ESC {
WARNING: Unknown command ESC {
...
To fix this:
ESC {
and GS B
to parser so that esc2text
can read past these commands correctly.esc2html
.esc2html
.This is another data command. It is the cause of most of the garbled output at #20, where it is used in place of the more common GS ( L
.
This also needs to be understood by the parser.
any one help me for gerating a invoice as in attachment. Specaily Product Description Section
https://images.app.goo.gl/nHAwk2nhLSZXmAbf6
Could it be possible to set the output dir for escimages ?
It would remove the need to cd in the correct dir before running escimages.php
I've been trying to test in escpos using Laravel framework.
use Mike42\Escpos\PrintConnectors\FilePrintConnector;
use Mike42\Escpos\PrintConnectors\WindowsPrintConnector;
use Mike42\Escpos\Printer;
public function store()
{
$connector = new FilePrintConnector("/tmp/test.bin"); //this code
$printer = new Printer($connector);
$printer -> cut();
$printer -> close();
}
It produced an error fopen(/tmp/test.bin): failed to open stream: No such file or directory
. I don't have any idea on how to fix this if it is in laravel or in escpos.
How to install and implement this tools on laravel framework?
Thx.
Currently, only ASCII will be correctly displayed when extracted a receipt.
The printers use a combination of legacy code-pages to represent text. We have a UTF-8 to legacy code page algorithm implemented in EscposPrintBuffer @ escpos-php, and need to write the inverse.
There is a CapabilityProfile
being passed around, it should be possible to track the current code-page, and convert text back to UTF-8.
Eg, the TextContainer -> getText()
method could have an extra argument added, containing the current code page, and then encode from there.
We currently use a static CSS file, but this has two main problems-
wkhtmltopdf
did not work as expected due to the lack of -webkit-*
vendor tags for scaling. This can also be added via a pre-processor.I used: php esc2html.php ascii.bin > output.html to get a document html but as a result I've get a blank page with no text so what's the problem?
the result that i've get:
this is the file:
ascii.txt
Add example of underlined text to the repository, and render underline modes to HTML.
Commands that affect the formatting of underlined text include:
InitializeCmd
(reset to OFF)SelectPrintModeCmd
(set to OFF or single)EnableUnderlineCmd
(set to OFF, single, or double underline)I'm trying to convert my receipt to html just to be able to show rough version of receipt before/after printing. I'm using basically stock code from example but I have problems with diacritics řčúěžý...
and some symbols like ×
for example instead of:
$printer->text(" Výrobky s alkoholem na tomto dokladu");
$printer->feed();
$printer->text(" nejsou určeny k dalšímu prodeji,");
$printer->feed();
$printer->text(" ale výhradně ke konečné spotřebě.");
I get
V∞robky s alkoholem na tomto dokladu
nejsou urƒeny k dalτímu prodeji,
ale v∞hradn╪ ke koneƒné spot²eb╪.
Text is printing fine on my printer.
I hope that I'm using dummy connector correctly:
$connector = new Mike42\Escpos\PrintConnectors\DummyPrintConnector();
$profile = Mike42\Escpos\CapabilityProfile::load("default");
$printer = new Mike42\Escpos\Printer($connector, $profile);
I did try to add iconv('CP437', 'UTF-8... to:
if ($cmd -> isAvailableAs('TextContainer')) {
// Add text to line
// TODO could decode text properly from legacy code page to UTF-8 here.
$spanContentText = $cmd -> getText();
$lineHtml .= span($formatting, $spanContentText);
}
But that just produced another garbled text instead of special symbols.
Maybe I overlooked something in documentation. Do you have any suggestion?
As a collaborator
I want a contributor guide
To improve the chance of getting quality pull requests
Composer should complain if imagick is not installed, but currently it will report success.
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