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escposconverter.cpp
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escposconverter.cpp
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#include "escposconverter.h"
ESCPOSConverter::ESCPOSConverter(QObject *parent) :
QObject(parent)
{
codec = new QIBM852Codec();
}
ESCPOSDirectConverter::ESCPOSDirectConverter(QObject *parent) :
ESCPOSConverter(parent)
{
}
QByteArray ESCPOSDirectConverter::convert(QTextDocument* doc)
{
QByteArray ret;
for (QTextBlock block = doc->begin(); block != doc->end(); block = block.next()) {
ret.append(setAlignment(block.blockFormat().alignment()));
QTextBlock::iterator it = block.begin();
for(;!(it.atEnd()); ++it) {
ret.append(setFormat(it.fragment()));
//ret.append(codec->fromUnicode(it.fragment().text()));
ret.append(codec->convertFromUnicode(it.fragment().text().data(), it.fragment().length(), nullptr));
}
ret.append(0x1B);
ret.append(0x64);
ret.append(0x01);
}
return ret;
}
QByteArray ESCPOSConverter::setAlignment(Qt::Alignment align)
{
QByteArray ret;
ret.append(0x1B);
ret.append(0x61);
if (align & Qt::AlignHCenter)
ret.append(49);
else if (align & Qt::AlignRight)
ret.append(50);
else
ret.append(48); // left by default
return ret;
}
QByteArray ESCPOSConverter::setFormat(QTextFragment fragment)
{
QByteArray ret;
ret.append(0x1B);
ret.append(0x21);
quint8 formatByte = 0;
if (fragment.charFormat().fontPointSize() == 9) {
formatByte |= 1;
//qWarning() << "font: 9pt ";
}
if (fragment.charFormat().fontWeight() > 50) {
formatByte |= 8;
//qWarning() << "font: bold " << fragment.charFormat().fontWeight();
}
if (fragment.charFormat().underlineStyle() != QTextCharFormat::NoUnderline) {
formatByte |= 128;
//qWarning() << "font: underline ";
}
ret.append(formatByte);
return ret;
}