digiKam Developer Documentation
Professional Photo Management with the Power of Open Source
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Digikam::Canvas Class Reference
Inheritance diagram for Digikam::Canvas:

Public Slots

void slotCopy ()
void slotCrop ()
void slotFlipHoriz ()
void slotFlipVert ()
void slotRedo (int steps=1)
void slotRestore ()
void slotRotate180 ()
void slotRotate270 ()
void slotRotate90 ()
 image modifiers
void slotRotateAuto ()
void slotSelectAll ()
void slotSelected ()
void slotSelectionMoved ()
void slotSelectNone ()
void slotUndo (int steps=1)

Signals

void signalAddedDropedItems (QDropEvent *)
void signalChanged ()
void signalLoadingFinished (const QString &filename, bool success)
void signalLoadingProgress (const QString &filePath, float progress)
void signalLoadingStarted (const QString &filename)
void signalPrepareToLoad ()
void signalRedoSteps (int)
void signalRightButtonClicked ()
void signalSavingFinished (const QString &filename, bool success)
void signalSavingProgress (const QString &filePath, float progress)
void signalSavingStarted (const QString &filename)
void signalSelected (bool)
void signalSelectionChanged (const QRect &)
void signalSelectionSetText (const QRect &)
void signalShowNextImage ()
void signalShowPrevImage ()
void signalToggleOffFitToWindow ()
void signalUndoSteps (int)
void signalZoomChanged (double)
Signals inherited from Digikam::GraphicsDImgView
void activated ()
void contentsMoved (bool panningFinished)
void contentsMoving (int, int)
void leftButtonClicked ()
void leftButtonDoubleClicked ()
void resized ()
void rightButtonClicked ()
void signalZoomFactorChanged ()
void toNextImage ()
void toPreviousImage ()
void viewportRectChanged (const QRectF &viewportRect)

Public Member Functions

 Canvas (QWidget *const parent=nullptr)
void abortSaving ()
void applyTransform (const IccTransform &transform)
 Apply Color Management transformation to image (typically working color space).
DImg currentImage () const
 Return a copy of current image loaded in editor.
QString currentImageFileFormat () const
 Return the type mime of current image loaded in editor.
QString currentImageFilePath () const
 Return the file path of current image loaded in editor.
QString ensureHasCurrentUuid () const
bool exifRotated () const
 Return true if image have been rotated following Exif information.
void fitToSelect ()
 Change zoom level to fit current selection on canvas size.
QRect getSelectedArea () const
 Return the rectangle information of current canvas selection.
int imageHeight () const
 Return the height of current image loaded in editor.
int imageWidth () const
 Return the width of current image loaded in editor.
EditorCore * interface () const
 Return the core interface instance of editor.
bool isReadOnly () const
 If current image file format is only available in read only, typically all RAW image file formats.
void load (const QString &filename, IOFileSettings *const IOFileSettings)
void makeDefaultEditingCanvas ()
void preload (const QString &filename)
void resetImage ()
void setExifOrient (bool exifOrient)
 Rotate image following Exif information.
void setExposureSettings (ExposureSettingsContainer *const expoSettings)
 Apply under.over exposure indicator settings.
void setICCSettings (const ICCSettingsContainer &cmSettings)
 Apply Color management settings (typically screen profile).
void setModified ()
void setSoftProofingEnabled (bool enable)
 Turn on/off Color Management Soft proofing mode.
Public Member Functions inherited from Digikam::GraphicsDImgView
 GraphicsDImgView (QWidget *const parent=nullptr)
int contentsX () const
int contentsY () const
void drawText (QPainter *p, const QRectF &rect, const QString &text)
void fitToWindow ()
bool isMagnifierVisible () const
GraphicsDImgItem * item () const
 Return the instance of item set by setItem().
SinglePhotoPreviewLayout * layout () const
int magnifierSize () const
qreal magnifierZoomFactor () const
DImgPreviewItem * previewItem () const
void scrollPointOnPoint (const QPointF &scenePos, const QPoint &viewportPos)
 Scrolls the view such that scenePos (in scene coordinates is displayed on the viewport at viewportPos (in viewport coordinates).
void setContentsPos (int x, int y)
void setItem (GraphicsDImgItem *const item)
 Store internal instance of item as GraphicsDImgItem.
void setMagnifierSize (int size)
void setMagnifierVisible (bool b)
void setMagnifierZoomFactor (qreal factor)
void toggleFullScreen (bool set)
void updatePanIconWidget ()
QRect visibleArea () const

Protected Member Functions

void addRubber ()
void dragEnterEvent (QDragEnterEvent *) override
void dragMoveEvent (QDragMoveEvent *) override
void dropEvent (QDropEvent *) override
void keyPressEvent (QKeyEvent *) override
void mousePressEvent (QMouseEvent *) override
Protected Member Functions inherited from Digikam::GraphicsDImgView
virtual bool acceptsMouseClick (QMouseEvent *e)
void continuePanning (const QPoint &pos)
void drawForeground (QPainter *painter, const QRectF &rect) override
virtual bool event (QEvent *) override
void finishPanning ()
PanIconWidget * installPanIcon ()
virtual void mouseDoubleClickEvent (QMouseEvent *) override
virtual void mouseMoveEvent (QMouseEvent *) override
virtual void mouseReleaseEvent (QMouseEvent *) override
virtual void resizeEvent (QResizeEvent *) override
virtual void scrollContentsBy (int dx, int dy) override
void setScaleFitToWindow (bool value)
void setShowText (bool value)
void startPanning (const QPoint &pos)
virtual bool viewportEvent (QEvent *) override
virtual void wheelEvent (QWheelEvent *) override

Additional Inherited Members

Protected Slots inherited from Digikam::GraphicsDImgView
void slotContentsMoved ()
virtual void slotPanIconSelectionMoved (const QRect &, bool)
void slotRefreshPanIconSelection ()
void slotZoomFactorChanged ()

Member Function Documentation

◆ mousePressEvent()

void Digikam::Canvas::mousePressEvent ( QMouseEvent * event)
overrideprotectedvirtual

Reimplemented from Digikam::GraphicsDImgView.