| 1 | /* |
|---|---|
| 2 | SPDX-FileCopyrightText: 2019 Friedrich W. H. Kossebau <kossebau@kde.org> |
| 3 | |
| 4 | SPDX-License-Identifier: MIT |
| 5 | */ |
| 6 | |
| 7 | #include "codepdfprinter.h" |
| 8 | |
| 9 | #include <KSyntaxHighlighting/Definition> |
| 10 | #include <KSyntaxHighlighting/SyntaxHighlighter> |
| 11 | #include <KSyntaxHighlighting/Theme> |
| 12 | |
| 13 | #include <QDebug> |
| 14 | #include <QFile> |
| 15 | #include <QFontDatabase> |
| 16 | #include <QFontMetrics> |
| 17 | #include <QPrinter> |
| 18 | |
| 19 | CodePdfPrinter::CodePdfPrinter() |
| 20 | : m_highlighter(new KSyntaxHighlighting::SyntaxHighlighter(&m_document)) |
| 21 | { |
| 22 | const auto font = QFontDatabase::systemFont(type: QFontDatabase::FixedFont); |
| 23 | const QFontMetrics fontMetrics(font); |
| 24 | m_document.setDefaultFont(font); |
| 25 | |
| 26 | QTextOption textOption(Qt::AlignTop | Qt::AlignLeft); |
| 27 | textOption.setTabStopDistance(8 * fontMetrics.horizontalAdvance(QLatin1Char(' '))); |
| 28 | textOption.setWrapMode(QTextOption::WrapAtWordBoundaryOrAnywhere); |
| 29 | m_document.setDefaultTextOption(textOption); |
| 30 | |
| 31 | // light theme for "printing" on white PDF "paper" |
| 32 | const auto theme = m_repository.defaultTheme(t: KSyntaxHighlighting::Repository::LightTheme); |
| 33 | m_highlighter->setTheme(theme); |
| 34 | } |
| 35 | |
| 36 | CodePdfPrinter::~CodePdfPrinter() = default; |
| 37 | |
| 38 | bool CodePdfPrinter::openSourceFile(const QString &fileName) |
| 39 | { |
| 40 | QFile f(fileName); |
| 41 | if (!f.open(flags: QFile::ReadOnly)) { |
| 42 | qWarning() << "Failed to open"<< fileName << ":"<< f.errorString(); |
| 43 | return false; |
| 44 | } |
| 45 | |
| 46 | const auto def = m_repository.definitionForFileName(fileName); |
| 47 | m_highlighter->setDefinition(def); |
| 48 | |
| 49 | m_document.setPlainText(QString::fromUtf8(ba: f.readAll())); |
| 50 | return true; |
| 51 | } |
| 52 | |
| 53 | void CodePdfPrinter::printPdfFile(const QString &fileName) |
| 54 | { |
| 55 | QPrinter printer(QPrinter::PrinterResolution); |
| 56 | printer.setOutputFormat(QPrinter::PdfFormat); |
| 57 | printer.setPageSize(QPageSize(QPageSize::A4)); |
| 58 | printer.setOutputFileName(fileName); |
| 59 | |
| 60 | m_document.print(printer: &printer); |
| 61 | } |
| 62 |