2 Commits

Author SHA1 Message Date
e50fa3be79 Make README more beautiful
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Build ptprnt / build (push) Successful in 3m47s
2025-10-16 22:18:56 +02:00
d3e137ff9c Add changelog, uniform naming, prepare v0.2.0 tagging (#18)
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Build ptprnt / build (push) Successful in 3m52s
Reviewed-on: moritz/ptouch-prnt#18
2025-10-16 19:36:15 +00:00
10 changed files with 284 additions and 53 deletions

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@@ -38,17 +38,23 @@ jobs:
echo "=== End dependency package version ==="
- name: setup builddir
run: meson setup builddir -Db_coverage=true
- name: build and test dist package
run: ninja -C builddir dist
- name: run unit tests
run: ninja -C builddir test
- name: calculate coverage
run: ninja -C builddir coverage-text
- name: Coverage report
run: cat ./builddir/meson-logs/coverage.txt
- name: build and test dist package
run: ninja -C builddir dist
- name: upload dist package
uses: actions/upload-artifact@v3
with:
name: ptprnt-dist
name: ptprnt
path: ./builddir/meson-dist/*
if-no-files-found: error
- name: upload coverage report
uses: actions/upload-artifact@v3
with:
name: coverage.txt
path: ./builddir/meson-logs/coverage.txt
if-no-files-found: error

14
.gitignore vendored
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@@ -1,6 +1,5 @@
# Folder
builddir/
ptouch-print/
subprojects/*
.cache/
coverageReport/
@@ -12,3 +11,16 @@ ptprnt.log
!.vscode/c_cpp_properties.json
!.vscode/settings.json
!.vscode/launch.json
# ignore generated testlabels
fakelabel_*.png
# ignore package capture files
*.pcapng
*.pcapng.gz
*.pcap
*.pcap.gz
# ignore coverage temporaries
*.gcov.json
*.gcov.json.gz

70
CHANGELOG.md Normal file
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@@ -0,0 +1,70 @@
# Changelog
All notable changes to ptprnt will be documented in this file.
The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
## [0.2.0] - v0.2.0
### Added
- Multi-label support - print multiple labels in sequence
- LabelBuilder API with fluent interface for constructing labels
- FakePrinter driver for testing without hardware (outputs PNG files)
- PrinterService core service for printer operations
- CliParser component with ICliParser interface
- ICairoWrapper interface for testable graphics rendering
- MockCairoWrapper for unit testing
- Pre-commit hook for automatic copyright updates
- USB trace mode for debugging (`-Dusb_trace_only=true`)
### Changed
- **Major refactoring**: Reorganized codebase into layered architecture
- Application layer: PtouchPrint, CliParser, PrinterService
- Printer drivers: Moved to `src/printers/` with factory pattern
- Graphics system: Added builder pattern and Cairo abstraction
- Core services: Separated into `src/core/` directory
- Label class now uses dependency injection for Cairo/Pango
- CLI parsing separated from main application logic
- Updated dependencies to latest versions
- Improved project documentation (README.md, CLAUDE.md)
### Fixed
- Label corruption issues resolved
- Printer info retrieval bugs
- USB attachment logic
- Multiple lines handling in labels
- Printer selection logic
## [0.1.0] - 2024
### Added
- Initial release of ptprnt
- Basic label printing functionality for Brother P-touch P700 series
- Pango/Cairo-based text rendering
- USB device communication via libusb-1.0
- Template-based Bitmap class supporting multiple pixel formats (ALPHA8, RGBX8, RGBA8, ARGB8)
- Monochrome bitmap conversion for printer output
- PrinterDriverFactory for creating printer instances
- USB device abstraction layer (IUsbDevice, UsbDevice, UsbDeviceFactory)
- Command-line interface using CLI11
- Logging with spdlog and file output
- Unit tests using GoogleTest
- Code coverage reporting with gcovr
- Meson build system with C++20 support
- CI/CD pipeline with automated testing
### Core Components (v0.1.0)
- PtouchPrint: Main application orchestrator
- P700Printer: Brother P-touch P700 driver implementation
- Bitmap: Template-based image storage
- Label: Text rendering with Pango/Cairo
- Monochrome: Bitmap to monochrome conversion
- UsbDevice: libusb wrapper for device communication
---
## Project Origins
ptprnt is a modern C++20 rewrite of [ptouch-print](https://git.familie-radermacher.ch/linux/ptouch-print.git).
All credits for reverse engineering the Brother P-touch USB protocol go to Dominic Rademacher.

207
README.md
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@@ -1,57 +1,198 @@
# ptprnt
This is a rewrite of [ptouch-print](https://git.familie-radermacher.ch/linux/ptouch-print.git) as a toy project for my personal amusement. The currently available solutions are good enough for generating labels, but i wanted to explore libusb and maybe improve the functionality of my label printer. All credits for reverse engineering the USB commands to Dominic Rademacher.
A command-line label printer driver for Brother P-touch printers on Linux. Prints text labels directly from your terminal.
## Dependencies
This project requires:
- spdlog
- libusb
- pango
- cairo
- meson
- gtest (optional, for testing, will be installed by meson)
- gcov (optional, for coverage reports)
## Example
Install dependencies on Arch Linux
``` bash
pacman -S libusb spdlog pango cairo meson gcovr
Too print a label, provide your text and optionally a font and a font size. This command will print the label below on a Brother P-Touch P700:
```bash
ptprnt --font "NotoMono Nerd Font" --fontsize 32 --text "🖶 ptprnt v0.2.0 🥰"
```
Install dependencies on Debian/Ubuntu
``` bash
apt-get install libusb-1.0-0-dev libspdlog-dev libfmt-dev libpango1.0-dev libcairo2-dev meson gcovr
![Printed label that proudly reads 🖶 ptprnt v0.2.0 🥰](docs/assets/label_print_v0_2_0.jpg)
## Quick Start
**Install dependencies:**
Arch Linux:
```bash
pacman -S libusb spdlog pango cairo meson
```
## Build
Clone the repository and simply let meson do the heavy lifting.
Debian/Ubuntu:
```bash
apt-get install libusb-1.0-0-dev libspdlog-dev libfmt-dev libpango1.0-dev libcairo2-dev meson
```
**Build and run:**
Clone this repository first and enter the directory. Then build:
```bash
meson setup builddir
```
If you want to generate coverage reports, enable them via the command line switch
```bash
meson setup builddir -Db_coverage=true
```
Rebuild by simply invoking ninja
```bash
ninja -C builddir
builddir/ptprnt --help
```
## Run
Run the binary from your builddir
## Usage
### Basic Text Printing
Print a simple label with text:
```bash
builddir/ptprnt
ptprnt --text "Hello World"
```
## Test
Testing is done via gtest. To run your test simply invoke ninja with the "test" target.
### Formatting Options
Control the appearance of your labels with these options:
- `--font FONT_NAME` - Set the font (e.g., "NotoMono Nerd Font", "DejaVu Sans")
- `--fontsize SIZE` - Set font size in points (default: 24)
- `--halign ALIGNMENT` - Horizontal alignment: `left`, `center`, `right` (default: center)
- `--valign ALIGNMENT` - Vertical alignment: `top`, `center`, `bottom` (default: center)
**Example with formatting:**
```bash
ptprnt --font "DejaVu Sans Mono" --fontsize 28 --halign left --text "Left aligned text"
```
### Multiple Text Elements
You can add multiple text elements to a single label. Formatting options apply to all subsequent `--text` arguments until changed:
```bash
ptprnt \
--font "DejaVu Sans" --fontsize 32 --text "Large Title" \
--fontsize 18 --text "Smaller subtitle"
```
### Multiple Labels (Stitching)
Create multiple labels that will be stitched together horizontally using the `--new` flag:
```bash
ptprnt \
--text "Label 1" \
--new \
--text "Label 2" \
--new \
--text "Label 3"
```
Each `--new` starts a fresh label. The labels are automatically stitched together with 60 pixels of spacing.
**Example - Creating a series of address labels:**
```bash
ptprnt \
--font "DejaVu Sans" --fontsize 20 \
--text "Peter Lustig" --text "Am Bauwagen 1" \
--new \
--text "Donald Duck" --text "Blumenstraße 13" \
--new \
--text "Homer Simpson" --text "742 Evergreen Terrace"
```
**Example - Mixed formatting across labels:**
```bash
ptprnt \
--fontsize 32 --text "BIG" \
--new \
--fontsize 16 --text "small" \
--new \
--fontsize 24 --text "medium"
```
### Printer Selection
By default, ptprnt auto-detects your printer. You can explicitly select a printer:
```bash
ptprnt --printer P700 --text "Hello"
```
List all available printer drivers:
```bash
ptprnt --list-all-drivers
```
### Testing with Fake Printer
Before printing to your real printer, you can test your label output using the built-in fake printer. This generates a PNG image file instead of printing:
```bash
ptprnt --printer FakePrinter --text "Test Label"
```
This will create a file named `fakelabel_YYYYMMDD_HHMMSS.png` in your current directory with a preview of your label. Use this to:
- Verify text formatting and layout
- Test multi-label stitching
- Preview before wasting label tape
**Example workflow:**
```bash
# First, test your label design
ptprnt --printer FakePrinter \
--font "DejaVu Sans" --fontsize 28 \
--text "Test Design" --text "Check Layout"
# View the generated PNG file to verify
# If satisfied, print to real printer
ptprnt --printer P700 \
--font "DejaVu Sans" --fontsize 28 \
--text "Test Design" --text "Check Layout"
```
### Verbose Output
Enable detailed logging for debugging:
```bash
ptprnt --verbose --text "Debug mode"
```
Enable USB trace to see raw USB communication:
```bash
ptprnt --trace --text "USB trace mode"
```
### Complete Example
An example using a mixed bag of features:
```bash
ptprnt \
--verbose \
--printer P700 \
--font "NotoMono Nerd Font" \
--fontsize 28 --halign center --text "Product Label" \
--fontsize 20 --text "SKU: 12345" \
--new \
--fontsize 24 --text "Backup Label" \
--fontsize 18 --text "Date: 2025-10-16"
```
## Supported Printers
(I need more printers for verification 😉)
- Brother P-touch P700 series
## Developer info
This is a modern C++20 rewrite of [ptouch-print](https://git.familie-radermacher.ch/linux/ptouch-print.git). Credits to Dominic Rademacher for reverse engineering the USB protocol.
**Running tests:**
```bash
ninja -C builddir test
```
Coverage reports can be generated via gcov if you enabled them (see Build section) by building the `coverage-text` target.
**Coverage reports:**
```bash
meson setup builddir -Db_coverage=true
ninja -C builddir
ninja -C builddir test
ninja -C builddir coverage-text
```
## License

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@@ -1,6 +1,6 @@
# Git Hooks
This directory contains git hooks for the ptouch-prnt repository.
This directory contains git hooks for the ptprnt repository.
## Installation

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@@ -1,5 +1,5 @@
#!/bin/bash
# Install git hooks for ptouch-prnt repository
# Install git hooks for ptprnt repository
set -e

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@@ -1,11 +1,11 @@
project(
'ptprnt',
'cpp',
version: 'v0.1.0-' + run_command(
version: 'v0.2.0-'
+ run_command(
'git',
'rev-parse',
'--short',
'HEAD',
'--short', 'HEAD',
check: true,
).stdout().strip(),
license: 'GPLv3',
@@ -41,7 +41,9 @@ cpp_args = ['-DPROJ_VERSION="' + meson.project_version() + '"']
# USB trace mode option (for debugging without sending to hardware)
if get_option('usb_trace_only')
cpp_args += ['-DUSB_TRACE_ONLY']
message('USB_TRACE_ONLY enabled: USB data will be logged but not sent to device')
message(
'USB_TRACE_ONLY enabled: USB data will be logged but not sent to device',
)
endif
ptprnt_exe = executable(
@@ -54,7 +56,6 @@ ptprnt_exe = executable(
cpp_args: cpp_args,
)
### Unit tests
# GTest and GMock

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@@ -5,7 +5,9 @@ HTML_COV_PATH="coverageReport/html"
XML_COV_PATH="coverageReport/xml"
HTML_START_FILE="index.html"
echo "Generating Coverage report for ptouch-prnt"
echo "Generating Coverage report for ptprnt"
cd $SCRIPT_PATH/..
ninja -C builddir
ninja -C builddir test

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@@ -1 +0,0 @@
# Test file