Inheritance diagram for ScanPreview:

Collaboration diagram for ScanPreview:

Public Member Functions
	ScanPreview ()

void	Init (SaneDlg *pParent)

void	ResetForNewScanner ()

void	EnableDrag ()

void	DisableDrag ()

bool	IsDragEnabled () const

virtual void	Paint (vcl::RenderContext &rRenderContext, const tools::Rectangle &rRect) override

virtual bool	MouseButtonDown (const MouseEvent &rMEvt) override

virtual bool	MouseMove (const MouseEvent &rMEvt) override

virtual bool	MouseButtonUp (const MouseEvent &rMEvt) override

Point	GetPixelPos (const Point &rIn) const

Point	GetLogicPos (const Point &rIn) const

void	GetPreviewLogicRect (Point &rTopLeft, Point &rBottomRight) const

void	GetMaxLogicRect (Point &rTopLeft, Point &rBottomRight) const

void	ChangePreviewLogicTopLeftY (tools::Long Y)

void	ChangePreviewLogicTopLeftX (tools::Long X)

void	ChangePreviewLogicBottomRightY (tools::Long Y)

void	ChangePreviewLogicBottomRightX (tools::Long X)

void	SetPreviewLogicRect (const Point &rTopLeft, const Point &rBottomRight)

void	SetPreviewMaxRect (const Point &rTopLeft, const Point &rBottomRight)

void	DrawDrag (vcl::RenderContext &rRenderContext)

void	UpdatePreviewBounds ()

void	SetBitmap (SvStream &rStream)

virtual void	SetDrawingArea (weld::DrawingArea *pDrawingArea) override

Public Member Functions inherited from weld::CustomWidgetController
virtual css::uno::Reference< css::accessibility::XAccessible >	CreateAccessible ()

virtual void	Paint (vcl::RenderContext &rRenderContext, const tools::Rectangle &rRect)=0

virtual void	Resize ()

virtual bool	MouseButtonDown (const MouseEvent &)

virtual bool	MouseMove (const MouseEvent &)

virtual bool	MouseButtonUp (const MouseEvent &)

virtual void	GetFocus ()

virtual void	LoseFocus ()

virtual void	StyleUpdated ()

virtual bool	Command (const CommandEvent &)

virtual bool	KeyInput (const KeyEvent &)

virtual tools::Rectangle	GetFocusRect ()

virtual FactoryFunction	GetUITestFactory () const

virtual OUString	RequestHelp (tools::Rectangle &)

virtual OUString	GetHelpText () const

Size const &	GetOutputSizePixel () const

void	SetOutputSizePixel (const Size &rSize)

virtual void	SetDrawingArea (weld::DrawingArea *pDrawingArea)

weld::DrawingArea *	GetDrawingArea () const

void	Invalidate ()

void	Invalidate (const tools::Rectangle &rRect)

virtual void	Show ()

virtual void	Hide ()

void	SetCursor (void *pData)

void	GrabFocus ()

bool	HasFocus () const

bool	HasChildFocus () const

bool	IsVisible () const

bool	IsReallyVisible () const

bool	IsEnabled () const

void	Enable () const

void	Disable () const

bool	IsActive () const

int	GetTextHeight () const

int	GetTextWidth (const OUString &rText) const

OUString	GetAccessibleName () const

OUString	GetAccessibleDescription () const

void	CaptureMouse ()

bool	IsMouseCaptured () const

Point	GetPointerPosPixel () const

void	EnableRTL (bool bEnable)

bool	IsRTLEnabled () const

void	ReleaseMouse ()

void	SetPointer (PointerStyle ePointerStyle)

void	SetHelpId (const OUString &rHelpId)

void	SetAccessibleName (const OUString &rName)

void	SetInputContext (const InputContext &rInputContext)

void	SetCursorRect (const tools::Rectangle &rCursorRect, int nExtTextInputWidth)

virtual int	GetSurroundingText (OUString &)

virtual bool	DeleteSurroundingText (const Selection &)

css::uno::Reference< css::datatransfer::dnd::XDropTarget >	GetDropTarget ()

css::uno::Reference< css::datatransfer::clipboard::XClipboard >	GetClipboard () const

void	SetDragDataTransferable (rtl::Reference< TransferDataContainer > &rTransferable, sal_uInt8 eDNDConstants)

virtual bool	StartDrag ()

void	set_size_request (int nWidth, int nHeight)

void	queue_resize ()

	CustomWidgetController ()

virtual	~CustomWidgetController ()

	CustomWidgetController (CustomWidgetController const &)=default

	CustomWidgetController (CustomWidgetController &&)=default

CustomWidgetController &	operator= (CustomWidgetController const &)=default

CustomWidgetController &	operator= (CustomWidgetController &&)=default

Private Types
enum	DragDirection { TopLeft , Top , TopRight , Right , BottomRight , Bottom , BottomLeft , Left }

Private Attributes
BitmapEx	maPreviewBitmapEx

tools::Rectangle	maPreviewRect

Point	maTopLeft

Point	maBottomRight

Point	maMinTopLeft

Point	maMaxBottomRight

SaneDlg *	mpParentDialog

DragDirection	meDragDirection

bool	mbDragEnable

bool	mbIsDragging