Moritz Martinius
7437d79393
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109 lines
3.9 KiB
C++
109 lines
3.9 KiB
C++
/*
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ptrnt - print labels on linux
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Copyright (C) 2025 Moritz Martinius
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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#pragma once
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#include <memory>
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#include <vector>
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#include <cstdint>
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#include "../interface/IPrinterDriver.hpp"
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#include "../interface/IPrinterTypes.hpp"
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#include "../libusbwrap/LibUsbTypes.hpp"
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#include "../libusbwrap/interface/IUsbDevice.hpp"
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#include "../graphics/Bitmap.hpp"
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namespace ptprnt::printer {
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/**
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* @brief Virtual printer driver for testing without hardware
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*
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* FakePrinter simulates a real label printer by processing bitmap data
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* column by column and reconstructing it into a new bitmap, mimicking
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* the physical printing process of label printers.
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*/
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class FakePrinter : public ::ptprnt::IPrinterDriver {
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public:
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FakePrinter() = default;
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~FakePrinter() override = default;
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FakePrinter(const FakePrinter&) = delete;
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FakePrinter& operator=(const FakePrinter&) = delete;
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FakePrinter(FakePrinter&&) = default;
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FakePrinter& operator=(FakePrinter&&) = default;
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// Printer info - static to be accessed without instantiation
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static const PrinterInfo mInfo;
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// IPrinterDriver interface
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[[nodiscard]] const std::string_view getDriverName() override;
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[[nodiscard]] const std::string_view getName() override;
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[[nodiscard]] const libusbwrap::usbId getUsbId() override;
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[[nodiscard]] const std::string_view getVersion() override;
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[[nodiscard]] const PrinterInfo getPrinterInfo() override;
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[[nodiscard]] const PrinterStatus getPrinterStatus() override;
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bool attachUsbDevice(std::shared_ptr<libusbwrap::IUsbDevice> usbHndl) override;
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bool detachUsbDevice() override;
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bool printBitmap(const graphics::Bitmap<graphics::ALPHA8>& bitmap) override;
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bool printMonochromeData(const graphics::MonochromeData& data) override;
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bool printLabel(const std::unique_ptr<graphics::ILabel> label) override;
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bool print() override;
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/**
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* @brief Get the last printed bitmap
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* @return The reconstructed bitmap from simulated printing
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*/
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[[nodiscard]] const graphics::Bitmap<graphics::ALPHA8>& getLastPrint() const;
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/**
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* @brief Save the last print to a PNG file
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* @param filename Path to save the PNG
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* @return true if successful
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*/
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bool saveLastPrintToPng(const std::string& filename) const;
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private:
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/**
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* @brief Simulate printing by reconstructing bitmap column by column
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* @param data Monochrome data to "print"
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* @return Reconstructed bitmap
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*/
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graphics::Bitmap<graphics::ALPHA8> simulatePrinting(const graphics::MonochromeData& data);
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/**
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* @brief Save bitmap to PNG file using Cairo
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* @param bitmap The bitmap to save
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* @param filename Output filename
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* @return true if successful
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*/
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bool saveBitmapToPng(const graphics::Bitmap<graphics::ALPHA8>& bitmap, const std::string& filename) const;
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/**
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* @brief Generate timestamped filename for fake label output
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* @return Filename like "fakelabel_20231011_123456.png"
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*/
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std::string generateTimestampedFilename() const;
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std::unique_ptr<graphics::Bitmap<graphics::ALPHA8>> mLastPrint;
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bool mHasAttachedDevice = false;
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PrinterStatus mStatus{.tapeWidthMm = 12}; // Default to 12mm tape
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};
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} // namespace ptprnt::printer
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