PDF4QT/Pdf4QtLibCore/sources/pdftextlayoutgenerator.h

56 lines
2.1 KiB
C++

// Copyright (C) 2023 Jakub Melka
//
// This file is part of PDF4QT.
//
// PDF4QT is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// with the written consent of the copyright owner, any later version.
//
// PDF4QT is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with PDF4QT. If not, see <https://www.gnu.org/licenses/>.
#include "pdfpagecontentprocessor.h"
namespace pdf
{
class PDF4QTLIBCORESHARED_EXPORT PDFTextLayoutGenerator : public PDFPageContentProcessor
{
using BaseClass = PDFPageContentProcessor;
public:
explicit PDFTextLayoutGenerator(PDFRenderer::Features features,
const PDFPage* page,
const PDFDocument* document,
const PDFFontCache* fontCache,
const PDFCMS* cms,
const PDFOptionalContentActivity* optionalContentActivity,
QTransform pagePointToDevicePointMatrix,
const PDFMeshQualitySettings& meshQualitySettings) :
BaseClass(page, document, fontCache, cms, optionalContentActivity, pagePointToDevicePointMatrix, meshQualitySettings),
m_features(features)
{
}
/// Creates text layout from the text
PDFTextLayout createTextLayout();
protected:
virtual bool isContentSuppressedByOC(PDFObjectReference ocgOrOcmd) override;
virtual bool isContentKindSuppressed(ContentKind kind) const override;
virtual void performOutputCharacter(const PDFTextCharacterInfo& info) override;
private:
PDFRenderer::Features m_features;
PDFTextLayout m_textLayout;
};
} // namespace pdf