File indexing completed on 2024-05-12 16:34:24

 /* This file is part of the KDE project
  * Copyright (C) 2007 Thomas Zander <zander@kde.org>
  * Copyright (C) 2011 Silvio Heinrich <plassy@web.de>
  * Copyright (C) 2012 Inge Wallin <inge@lysator.liu.se>
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
  *
  * This library 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
  * Library General Public License for more details.
  *
  * You should have received a copy of the GNU Library General Public License
  * along with this library; see the file COPYING.LIB.  If not, write to
  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  * Boston, MA 02110-1301, USA.
  */
 
 #ifndef PICTURESHAPE_H
 #define PICTURESHAPE_H
 
 #include <QPainterPath>
 #include <QPixmap>
 #include <QImage>
 #include <QRunnable>
 
 #include <KoTosContainer.h>
 #include <KoFrameShape.h>
 #include <SvgShape.h>
 
 #include "ClippingRect.h"
 
 #define PICTURESHAPEID "PictureShape"
 
 class KoImageData;
 class KoImageCollection;
 class PictureShape;
 class KoClipPath;
 
 namespace _Private
 {
     /**
      * This class acts as a proxy for the PictureShape class
      * since it is not possible to add slots to it
      * (MOC always complains)
      */
     class PictureShapeProxy: public QObject
     {
         Q_OBJECT
     public:
         explicit PictureShapeProxy(PictureShape *p):
             m_pictureShape(p) { }
 
     public Q_SLOTS:
         void setImage(const QString& key, const QImage& image);
 
     private:
         PictureShape *m_pictureShape;
     };
 
     /**
      * This class will scale an image to a given size.
      * Instances of this class can be executed in a thread pool
      * therefore the scaling process can be done in the background
      */
     class PixmapScaler: public QObject, public QRunnable
     {
         Q_OBJECT
     public:
         PixmapScaler(PictureShape *pictureShape, const QSize &pixmapSize);
         void run() override;
 
     Q_SIGNALS:
         void finished(const QString &, const QImage &);
 
     private:
         QSize m_size;
         QImage m_image;
         quint64 m_imageKey;
     };
 
     /**
      * This method will create an outline path out of the image
      */
     QPainterPath generateOutline(const QImage &imageIn, int threshold = 20);
 }
 
 
 class PictureShape : public KoTosContainer, public KoFrameShape, public SvgShape
 {
     friend class _Private::PixmapScaler;
     friend class _Private::PictureShapeProxy;
 
 public:
     // Odf 1.2: 20.313  style:mirror
     // The value could be 0, or a combination of one of the Horizontal* and/or Vertical
     // separated by whitespace.
     enum MirrorMode {
         MirrorNone             = 0x00,
         MirrorHorizontal       = 0x01,
         MirrorHorizontalOnEven = 0x02,
         MirrorHorizontalOnOdd  = 0x04,
         MirrorVertical         = 0x08,
 
         MirrorMask = 0x0f      // Only used as a mask, never as a value.
     };
 
     enum ColorMode {
         Standard,
         Greyscale,
         Mono,
         Watermark
     };
 
     PictureShape();
 
     // reimplemented
     void paint(QPainter &painter, const KoViewConverter &converter, KoShapePaintingContext &paintcontext) override;
     // reimplemented
     QPainterPath shadowOutline() const override;
     // reimplemented
     void saveOdf(KoShapeSavingContext &context) const override;
     // reimplemented
     bool loadOdf(const KoXmlElement &element, KoShapeLoadingContext &context) override;
     // reimplemented
     void waitUntilReady(const KoViewConverter &converter, bool asynchronous) const override;
     // reimplemented from SvgShape
     bool saveSvg(SvgSavingContext &context) override;
     // reimplemented from SvgShape
     bool loadSvg(const KoXmlElement &element, SvgLoadingContext &context) override;
     /**
      * Get the collection used in the shape.
      */
     KoImageCollection *imageCollection() const;
     KoImageData *imageData() const;
     QFlags<MirrorMode> mirrorMode() const;
     ColorMode colorMode() const;
     QRectF cropRect() const;
     bool isPictureInProportion() const;
 
     void setImageCollection(KoImageCollection *collection) { m_imageCollection = collection; }
     void setCropRect(const QRectF& rect);
     void setMirrorMode(QFlags<MirrorMode> mode);
     void setColorMode(ColorMode mode);
     void setColoring(qreal red, qreal green, qreal blue, qreal luminance, qreal contrast);
     void setGamma(qreal gamma);
     KoClipPath *generateClipPath();
 
 
 protected:
     bool loadOdfFrameElement(const KoXmlElement &element, KoShapeLoadingContext &context) override;
     QString saveStyle(KoGenStyle &style, KoShapeSavingContext &context) const override;
     void loadStyle(const KoXmlElement &element, KoShapeLoadingContext &context) override;
 
 private:
     QSize calcOptimalPixmapSize(const QSizeF &shapeSize, const QSizeF &imageSize) const;
     ClippingRect parseClippingRectString(const QString &string) const;
 
 private:
     KoImageCollection *m_imageCollection;
     mutable QImage m_printQualityImage;
     mutable QSizeF m_printQualityRequestedSize;
 
     QFlags<MirrorMode> m_mirrorMode;
     ColorMode m_colorMode;
     ClippingRect m_clippingRect;
 
     _Private::PictureShapeProxy m_proxy;
 };
 
 #endif