qt6/src/poppler-annotation-private.h

/* poppler-annotation-private.h: qt interface to poppler
 * Copyright (C) 2007, Pino Toscano <pino@kde.org>
 * Copyright (C) 2012, Tobias Koenig <tokoe@kdab.com>
 * Copyright (C) 2012, 2013 Fabio D'Urso <fabiodurso@hotmail.it>
 * Copyright (C) 2012, 2014, 2018-2020, Albert Astals Cid <aacid@kde.org>
 * Copyright (C) 2020, Klarälvdalens Datakonsult AB, a KDAB Group company, <info@kdab.com>. Work sponsored by Technische Universität Dresden
 * Copyright (C) 2021, Oliver Sander <oliver.sander@tu-dresden.de>
 * Copyright (C) 2021, Mahmoud Ahmed Khalil <mahmoudkhalil11@gmail.com>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2, or (at your option)
 * any later version.
 *
 * This program 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA.
 */

#ifndef _POPPLER_ANNOTATION_PRIVATE_H_
#define _POPPLER_ANNOTATION_PRIVATE_H_

#include <memory>

#include <QtCore/QPointF>
#include <QtCore/QSharedDataPointer>

#include "poppler-annotation.h"

#include <Object.h>
#include <AnnotStampImageHelper.h>

class Annot;
class AnnotPath;
class Page;
class PDFRectangle;

namespace Poppler {
class DocumentData;

PDFRectangle boundaryToPdfRectangle(::Page *pdfPage, const QRectF &r, int flags);
void getRawDataFromQImage(const QImage &qimg, int bitsPerPixel, QByteArray *data, QByteArray *sMaskData);

class AnnotationPrivate : public QSharedData
{
public:
    AnnotationPrivate();
    virtual ~AnnotationPrivate();

    AnnotationPrivate(const AnnotationPrivate &) = delete;
    AnnotationPrivate &operator=(const AnnotationPrivate &) = delete;

    void addRevision(Annotation *ann, Annotation::RevScope scope, Annotation::RevType type);

    /* Returns an Annotation of the right subclass whose d_ptr points to
     * this AnnotationPrivate */
    virtual Annotation *makeAlias() = 0;

    /* properties: contents related */
    QString author;
    QString contents;
    QString uniqueName;
    QDateTime modDate; // before or equal to currentDateTime()
    QDateTime creationDate; // before or equal to modifyDate

    /* properties: look/interaction related */
    Annotation::Flags flags;
    QRectF boundary;

    /* style and popup */
    Annotation::Style style;
    Annotation::Popup popup;

    /* revisions */
    Annotation::RevScope revisionScope;
    Annotation::RevType revisionType;
    QList<Annotation *> revisions;

    /* After this call, the Annotation object will behave like a wrapper for
     * the specified Annot object. All cached values are discarded */
    void tieToNativeAnnot(Annot *ann, ::Page *page, DocumentData *doc);

    /* Creates a new Annot object on the specified page, flushes current
     * values to that object and ties this Annotation to that object */
    virtual Annot *createNativeAnnot(::Page *destPage, DocumentData *doc) = 0;

    /* Inited to 0 (i.e. untied annotation) */
    Annot *pdfAnnot;
    ::Page *pdfPage;
    DocumentData *parentDoc;

    /* The following helpers only work if pdfPage is set */
    void flushBaseAnnotationProperties();
    void fillTransformationMTX(double MTX[6]) const;
    QRectF fromPdfRectangle(const PDFRectangle &r) const;
    PDFRectangle boundaryToPdfRectangle(const QRectF &r, int flags) const;
    AnnotPath *toAnnotPath(const QVector<QPointF> &l) const;

    /* Scan page for annotations, parentId=0 searches for root annotations, subtypes empty means all subtypes */
    static std::vector<std::unique_ptr<Annotation>> findAnnotations(::Page *pdfPage, DocumentData *doc, const QSet<Annotation::SubType> &subtypes, int parentId = -1);

    /* Add given annotation to given page */
    static void addAnnotationToPage(::Page *pdfPage, DocumentData *doc, const Annotation *ann);

    /* Remove annotation from page and destroy ann */
    static void removeAnnotationFromPage(::Page *pdfPage, const Annotation *ann);

    Ref pdfObjectReference() const;

    std::unique_ptr<Link> additionalAction(Annotation::AdditionalActionType type) const;

    Object annotationAppearance;
};

class AnnotationAppearancePrivate
{
public:
    explicit AnnotationAppearancePrivate(Annot *annot);

    Object appearance;
};

}

#endif