File indexing completed on 2024-05-12 16:01:31

 /*
  *  SPDX-FileCopyrightText: 2013 Boudewijn Rempt <boud@valdyas.org>
  *
  *  SPDX-License-Identifier: GPL-2.0-or-later
  */
 #ifndef KIS_FILE_LAYER_H
 #define KIS_FILE_LAYER_H
 
 #include "kritaui_export.h"
 
 #include "kis_external_layer_iface.h"
 #include "kis_safe_document_loader.h"
 
 /**
  * @brief The KisFileLayer class loads a particular file as a layer into the layer stack.
  */
 class KRITAUI_EXPORT KisFileLayer : public KisExternalLayer
 {
     Q_OBJECT
 public:
 
     enum ScalingMethod {
         None,
         ToImageSize,
         ToImagePPI
     };
 
     KisFileLayer(KisImageWSP image, const QString &name, quint8 opacity);
     /**
      * @brief KisFileLayer create a new file layer with the given file
      * @param image the image the file layer will belong to
      * @param basePath the path to the image, if it has been saved before.
      * @param filename the path to the file, relative to the basePath
      * @param scalingMethod @see ScalingMethod
      * @param name the name of the layer
      * @param opacity the opacity of the layer
      */
     KisFileLayer(KisImageWSP image, const QString& basePath, const QString &filename, ScalingMethod scalingMethod, const QString &name, quint8 opacity, const KoColorSpace *fallbackColorSpace = 0);
     ~KisFileLayer() override;
     KisFileLayer(const KisFileLayer& rhs);
 
     QIcon icon() const override;
 
     void resetCache() override;
 
     KisPaintDeviceSP original() const override;
     KisPaintDeviceSP paintDevice() const override;
     void setSectionModelProperties(const KisBaseNode::PropertyList &properties) override;
     KisBaseNode::PropertyList sectionModelProperties() const override;
 
     /**
      * @brief setFileName replace the existing file with a new one
      * @param basePath the path to the image, if it has been saved before.
      * @param filename the path to the file, relative to the basePath
      */
     void setFileName(const QString &basePath, const QString &filename);
     QString fileName() const;
     QString path() const;
 
 
     ScalingMethod scalingMethod() const;
     void setScalingMethod(ScalingMethod method);
 
     KisNodeSP clone() const override;
     bool allowAsChild(KisNodeSP) const override;
 
     bool accept(KisNodeVisitor&) override;
     void accept(KisProcessingVisitor &visitor, KisUndoAdapter *undoAdapter) override;
 
     KUndo2Command* crop(const QRect & rect) override;
     KUndo2Command* transform(const QTransform &transform) override;
 
     void setImage(KisImageWSP image) override;
 
 private Q_SLOTS:
     void slotLoadingFinished(KisPaintDeviceSP projection, qreal xRes, qreal yRes, const QSize &size);
     void slotLoadingFailed();
     void slotFileExistsStateChanged(bool exists);
     void openFile() const;
 
 Q_SIGNALS:
     void sigRequestOpenFile();
 
 private:
     enum State {
         FileLoaded,
         FileNotFound,
         FileLoadingFailed
     };
 
     void changeState(State newState);
 
 private:
     QString m_basePath;
     QString m_filename;
     ScalingMethod m_scalingMethod {None};
 
     KisPaintDeviceSP m_paintDevice;
     KisSafeDocumentLoader m_loader;
     QSize m_generatedForImageSize;
     qreal m_generatedForXRes = 0.0;
     qreal m_generatedForYRes = 0.0;
 
     State m_state = FileNotFound;
 };
 
 #endif // KIS_FILE_LAYER_H