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/*
SPDX-FileCopyrightText: 2019 Friedrich W. H. Kossebau <kossebau@kde.org>
SPDX-License-Identifier: MIT
*/
#include "codepdfprinter.h"
#include <KSyntaxHighlighting/Definition>
#include <KSyntaxHighlighting/SyntaxHighlighter>
#include <KSyntaxHighlighting/Theme>
#include <QDebug>
#include <QFile>
#include <QFontDatabase>
#include <QFontMetrics>
#include <QPrinter>
CodePdfPrinter::CodePdfPrinter()
: m_highlighter(new KSyntaxHighlighting::SyntaxHighlighter(&m_document))
{
const auto font = QFontDatabase::systemFont(QFontDatabase::FixedFont);
const QFontMetrics fontMetrics(font);
m_document.setDefaultFont(font);
QTextOption textOption(Qt::AlignTop | Qt::AlignLeft);
textOption.setTabStopDistance(8 * fontMetrics.horizontalAdvance(QLatin1Char(' ')));
textOption.setWrapMode(QTextOption::WrapAtWordBoundaryOrAnywhere);
m_document.setDefaultTextOption(textOption);
// light theme for "printing" on white PDF "paper"
const auto theme = m_repository.defaultTheme(KSyntaxHighlighting::Repository::LightTheme);
m_highlighter->setTheme(theme);
}
CodePdfPrinter::~CodePdfPrinter() = default;
bool CodePdfPrinter::openSourceFile(const QString &fileName)
{
QFile f(fileName);
if (!f.open(QFile::ReadOnly)) {
qWarning() << "Failed to open" << fileName << ":" << f.errorString();
return false;
}
const auto def = m_repository.definitionForFileName(fileName);
m_highlighter->setDefinition(def);
m_document.setPlainText(QString::fromUtf8(f.readAll()));
return true;
}
void CodePdfPrinter::printPdfFile(const QString &fileName)
{
QPrinter printer(QPrinter::PrinterResolution);
printer.setOutputFormat(QPrinter::PdfFormat);
printer.setPageSize(QPageSize(QPageSize::A4));
printer.setOutputFileName(fileName);
m_document.print(&printer);
}
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