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printing sale receipt

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This commit is contained in:
Martin Brodbeck 2018-08-06 16:14:45 +02:00
parent 23659078b4
commit 6e6510ebcf
8 changed files with 53 additions and 10 deletions
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2
src/printer/CMakeLists.txt
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@ -9,5 +9,5 @@ set(PRINTER_SOURCES
)
add_library(printer STATIC ${PRINTER_SOURCES})
target_link_libraries(printer ${LIBUSB_1_LIBRARIES})
target_link_libraries(printer core ${LIBUSB_1_LIBRARIES})
target_include_directories(printer PUBLIC ${CMAKE_CURRENT_SOURCE_DIR})

25
src/printer/posprinter.cpp
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@ -1,18 +1,19 @@
#include "posprinter.h"
#include <algorithm>
#include <boost/algorithm/string.hpp>
#include <exception>
#include <iostream>
#include <sstream>
#include <string>
#include <boost/algorithm/string.hpp>
const std::string PosPrinter::Command::RESET = {0x1b, 0x40};
const std::string PosPrinter::Command::ENCODING = {'\x1b', '\x74', 16};
const std::string PosPrinter::Command::CENTERING = {'\x1b', '\x61', '\x01'};
const std::string PosPrinter::Command::LEFT_ALIGN = {0x1b, 0x61, 0x00};
const std::string PosPrinter::Command::RIGHT_ALIGN = {0x1b, 0x61, 0x02};
const std::string PosPrinter::Command::FONT_SIZE_BIG = {'\x1b', '\x21', '\x10'};
const std::string PosPrinter::Command::FONT_SIZE_NORMAL = {'\x1b', '\x21', '\x00'};
const std::string PosPrinter::Command::LEFT_ALIGN = {'\x1b', '\x61', '\x00'};
const std::string PosPrinter::Command::FEED = {0x1b, 0x64, 0x03};
PosPrinter::PosPrinter()
@ -25,7 +26,7 @@ PosPrinter::PosPrinter()
}
#if defined(_WIN32)
libusb_set_option(contextPtr_, LIBUSB_OPTION_USE_USBDK);
// libusb_set_option(contextPtr_, LIBUSB_OPTION_USE_USBDK);
#endif
libusb_device** devList;
@ -126,7 +127,6 @@ void PosPrinter::printHeader()
void PosPrinter::printTest()
{
using namespace std::string_literals;
std::stringstream commandStream;
commandStream << Command::ENCODING;
commandStream << "Der Drucker kann von KIMA2\nangesprochen werden.\n\n"
@ -134,4 +134,21 @@ void PosPrinter::printTest()
commandStream << Command::FEED;
printHeader();
write(commandStream.str());
}
void PosPrinter::printReceipt(Sale* sale)
{
std::stringstream commandStream;
printHeader();
commandStream << Command::RESET << Command::ENCODING << Command::RIGHT_ALIGN;
commandStream << sale->getTimestamp() << "\n\n";
commandStream << Command::LEFT_ALIGN;
for(const auto& article : sale->getArticles()) {
commandStream << "Art. " << article->getCompleteArticleNo() << "........... " << article->getPriceAsString() << "\n";
}
commandStream << "\nGesamt................. " << sale->sumAsString() << "\n";
commandStream << Command::CENTERING;
commandStream << "\n\nVielen Dank für Ihren Einkauf!";
commandStream << Command::LEFT_ALIGN << Command::FEED;
write(commandStream.str());
}

6
src/printer/posprinter.h
View file

@ -1,6 +1,8 @@
#ifndef POS_PRINTER_H
#define POS_PRINTER_H
#include <sale.h>
#include <memory>
#include <libusb-1.0/libusb.h>
@ -21,14 +23,16 @@ class PosPrinter
void write(const std::string& text);
void printHeader();
void printTest();
void printReceipt(Sale* sale);
struct Command {
static const std::string RESET;
static const std::string ENCODING;
static const std::string CENTERING;
static const std::string LEFT_ALIGN;
static const std::string RIGHT_ALIGN;
static const std::string FONT_SIZE_BIG;
static const std::string FONT_SIZE_NORMAL;
static const std::string LEFT_ALIGN;
static const std::string FEED;
};