#include <wx/richtext/richtextbuffer.h>

Inheritance diagram for wxRichTextImage:

Detailed Description

This class implements a graphic object.

See Also: wxRichTextBuffer, wxRichTextCtrl, wxRichTextImageBlock

Public Member Functions
	wxRichTextImage (wxRichTextObject *parent=NULL)
	Default constructor.

	wxRichTextImage (const wxImage &image, wxRichTextObject parent=NULL, wxRichTextAttr charStyle=NULL)
	Creates a wxRichTextImage from a wxImage.

	wxRichTextImage (const wxRichTextImageBlock &imageBlock, wxRichTextObject parent=NULL, wxRichTextAttr charStyle=NULL)
	Creates a wxRichTextImage from an image block.

	wxRichTextImage (const wxRichTextImage &obj)
	Copy constructor.

virtual bool	Draw (wxDC &dc, wxRichTextDrawingContext &context, const wxRichTextRange &range, const wxRichTextSelection &selection, const wxRect &rect, int descent, int style)
	Draw the item, within the given range.

virtual bool	Layout (wxDC &dc, wxRichTextDrawingContext &context, const wxRect &rect, const wxRect &parentRect, int style)
	Lay the item out at the specified position with the given size constraint.

virtual bool	GetRangeSize (const wxRichTextRange &range, wxSize &size, int &descent, wxDC &dc, wxRichTextDrawingContext &context, int flags, const wxPoint &position=wxPoint(0, 0), const wxSize &parentSize=wxDefaultSize, wxArrayInt *partialExtents=NULL) const
	Returns the object size for the given range.

virtual wxTextAttrSize	GetNaturalSize () const
	Returns the 'natural' size for this object - the image size.

virtual bool	IsEmpty () const
	Returns true if the object is empty.

virtual bool	CanEditProperties () const
	Returns true if we can edit the object's properties via a GUI.

virtual bool	EditProperties (wxWindow parent, wxRichTextBuffer buffer)
	Edits the object's properties via a GUI.

virtual wxString	GetPropertiesMenuLabel () const
	Returns the label to be used for the properties context menu item.

virtual bool	UsesParagraphAttributes () const
	Returns true if this object takes note of paragraph attributes (text and image objects don't).

virtual bool	ImportFromXML (wxRichTextBuffer buffer, wxXmlNode node, wxRichTextXMLHandler handler, bool recurse)
	Imports this object from XML.

virtual bool	IsFloatable () const
	Returns true if this class of object is floatable.

virtual wxString	GetXMLNodeName () const
	Returns the XML node name of this object.

const wxBitmap &	GetImageCache () const
	Returns the image cache (a scaled bitmap).

void	SetImageCache (const wxBitmap &bitmap)
	Sets the image cache.

void	ResetImageCache ()
	Resets the image cache.

wxRichTextImageBlock &	GetImageBlock ()
	Returns the image block containing the raw data.

wxSize	GetOriginalImageSize () const
	Gets the original image size.

void	SetOriginalImageSize (const wxSize &sz)
	Sets the original image size.

void	Copy (const wxRichTextImage &obj)
	Copies the image object.

virtual wxRichTextObject *	Clone () const
	Clones the image object.

virtual bool	LoadImageCache (wxDC &dc, wxRichTextDrawingContext &context, wxSize &retImageSize, bool resetCache=false, const wxSize &parentSize=wxDefaultSize)
	Creates a cached image at the required size.

virtual bool	LoadAndScaleImageCache (wxImage &image, const wxSize &sz, bool delayLoading, bool &changed)
	Do the loading and scaling.

wxSize	GetOriginalImageSize () const
	Gets the original image size.

void	SetOriginalImageSize (const wxSize &sz)
	Sets the original image size.

int	GetImageState () const
	Gets the image state.

void	SetImageState (int state)
	Sets the image state.

Public Member Functions inherited from wxRichTextObject
	wxRichTextObject (wxRichTextObject *parent=NULL)
	Constructor, taking an optional parent pointer.

virtual	~wxRichTextObject ()

virtual int	HitTest (wxDC &dc, wxRichTextDrawingContext &context, const wxPoint &pt, long &textPosition, wxRichTextObject obj, wxRichTextObject contextObj, int flags=0)
	Hit-testing: returns a flag indicating hit test details, plus information about position.

virtual bool	FindPosition (wxDC &dc, wxRichTextDrawingContext &context, long index, wxPoint &pt, int *height, bool forceLineStart)
	Finds the absolute position and row height for the given character position.

virtual wxSize	GetBestSize () const
	Returns the best size, i.e. the ideal starting size for this object irrespective of available space.

virtual wxRichTextObject *	DoSplit (long pos)
	Do a split from pos, returning an object containing the second part, and setting the first part in 'this'.

virtual void	CalculateRange (long start, long &end)
	Calculates the range of the object.

virtual bool	DeleteRange (const wxRichTextRange &range)
	Deletes the given range.

virtual bool	IsFloating () const
	Returns true if this object is currently floating.

virtual int	GetFloatDirection () const
	Returns the floating direction.

virtual wxString	GetTextForRange (const wxRichTextRange &range) const
	Returns any text in this object for the given range.

virtual bool	CanMerge (wxRichTextObject *object, wxRichTextDrawingContext &context) const
	Returns true if this object can merge itself with the given one.

virtual bool	Merge (wxRichTextObject *object, wxRichTextDrawingContext &context)
	Returns true if this object merged itself with the given one.

virtual bool	CanSplit (wxRichTextDrawingContext &context) const
	Returns true if this object can potentially be split, by virtue of having different virtual attributes for individual sub-objects.

virtual wxRichTextObject *	Split (wxRichTextDrawingContext &context)
	Returns the final object in the split objects if this object was split due to differences between sub-object virtual attributes.

virtual void	Dump (wxTextOutputStream &stream)
	Dump object data to the given output stream for debugging.

virtual bool	AcceptsFocus () const
	Returns true if objects of this class can accept the focus, i.e. a call to SetFocusObject is possible.

virtual void	Invalidate (const wxRichTextRange &invalidRange=wxRICHTEXT_ALL)
	Invalidates the object at the given range.

virtual bool	HandlesChildSelections () const
	Returns true if this object can handle the selections of its children, fOr example a table.

virtual wxRichTextSelection	GetSelection (long start, long end) const
	Returns a selection object specifying the selections between start and end character positions.

virtual wxSize	GetCachedSize () const
	Gets the cached object size as calculated by Layout.

virtual void	SetCachedSize (const wxSize &sz)
	Sets the cached object size as calculated by Layout.

virtual wxSize	GetMaxSize () const
	Gets the maximum object size as calculated by Layout.

virtual void	SetMaxSize (const wxSize &sz)
	Sets the maximum object size as calculated by Layout.

virtual wxSize	GetMinSize () const
	Gets the minimum object size as calculated by Layout.

virtual void	SetMinSize (const wxSize &sz)
	Sets the minimum object size as calculated by Layout.

virtual wxPoint	GetPosition () const
	Returns the object position in pixels.

virtual void	SetPosition (const wxPoint &pos)
	Sets the object position in pixels.

virtual wxPoint	GetAbsolutePosition () const
	Returns the absolute object position, by traversing up the child/parent hierarchy.

virtual wxRect	GetRect () const
	Returns the rectangle enclosing the object.

void	SetRange (const wxRichTextRange &range)
	Sets the object's range within its container.

const wxRichTextRange &	GetRange () const
	Returns the object's range.

wxRichTextRange &	GetRange ()
	Returns the object's range.

void	SetOwnRange (const wxRichTextRange &range)
	Set the object's own range, for a top-level object with its own position space.

const wxRichTextRange &	GetOwnRange () const
	Returns the object's own range (valid if top-level).

wxRichTextRange &	GetOwnRange ()
	Returns the object's own range (valid if top-level).

wxRichTextRange	GetOwnRangeIfTopLevel () const
	Returns the object's own range only if a top-level object.

virtual bool	IsComposite () const
	Returns true if this object is composite.

virtual bool	IsAtomic () const
	Returns true if no user editing can be done inside the object.

virtual wxRichTextObject *	GetParent () const
	Returns a pointer to the parent object.

virtual void	SetParent (wxRichTextObject *parent)
	Sets the pointer to the parent object.

virtual wxRichTextParagraphLayoutBox *	GetContainer () const
	Returns the top-level container of this object.

virtual wxRichTextParagraphLayoutBox *	GetParentContainer () const
	Returns the top-level container of this object.

virtual void	SetMargins (int margin)
	Set the margin around the object, in pixels.

virtual void	SetMargins (int leftMargin, int rightMargin, int topMargin, int bottomMargin)
	Set the margin around the object, in pixels.

virtual int	GetLeftMargin () const
	Returns the left margin of the object, in pixels.

virtual int	GetRightMargin () const
	Returns the right margin of the object, in pixels.

virtual int	GetTopMargin () const
	Returns the top margin of the object, in pixels.

virtual int	GetBottomMargin () const
	Returns the bottom margin of the object, in pixels.

virtual wxRect	GetAvailableContentArea (wxDC &dc, wxRichTextDrawingContext &context, const wxRect &outerRect) const
	Calculates the available content space in the given rectangle, given the margins, border and padding specified in the object's attributes.

virtual bool	LayoutToBestSize (wxDC &dc, wxRichTextDrawingContext &context, wxRichTextBuffer *buffer, const wxRichTextAttr &parentAttr, const wxRichTextAttr &attr, const wxRect &availableParentSpace, const wxRect &availableContainerSpace, int style)
	Lays out the object first with a given amount of space, and then if no width was specified in attr, lays out the object again using the minimum size.

virtual bool	AdjustAttributes (wxRichTextAttr &attr, wxRichTextDrawingContext &context)
	Adjusts the attributes for virtual attribute provision, collapsed borders, etc.

void	SetAttributes (const wxRichTextAttr &attr)
	Sets the object's attributes.

const wxRichTextAttr &	GetAttributes () const
	Returns the object's attributes.

wxRichTextAttr &	GetAttributes ()
	Returns the object's attributes.

wxRichTextProperties &	GetProperties ()
	Returns the object's properties.

const wxRichTextProperties &	GetProperties () const
	Returns the object's properties.

void	SetProperties (const wxRichTextProperties &props)
	Sets the object's properties.

void	SetDescent (int descent)
	Sets the stored descent value.

int	GetDescent () const
	Returns the stored descent value.

wxRichTextBuffer *	GetBuffer () const
	Returns the containing buffer.

void	SetName (const wxString &name)
	Sets the identifying name for this object as a property using the "name" key.

wxString	GetName () const
	Returns the identifying name for this object from the properties, using the "name" key.

virtual bool	IsTopLevel () const
	Returns true if this object is top-level, i.e. contains its own paragraphs, such as a text box.

bool	IsShown () const
	Returns true if the object will be shown, false otherwise.

virtual void	Show (bool show)
	Call to show or hide this object.

void	Copy (const wxRichTextObject &obj)
	Copies the object.

void	Reference ()
	Reference-counting allows us to use the same object in multiple lists (not yet used).

void	Dereference ()
	Reference-counting allows us to use the same object in multiple lists (not yet used).

virtual void	Move (const wxPoint &pt)
	Moves the object recursively, by adding the offset from old to new.

int	ConvertTenthsMMToPixels (wxDC &dc, int units) const
	Converts units in tenths of a millimetre to device units.

int	ConvertPixelsToTenthsMM (wxDC &dc, int pixels) const
	Convert units in pixels to tenths of a millimetre.

Public Member Functions inherited from wxObject
	wxObject ()
	Default ctor; initializes to NULL the internal reference data.

	wxObject (const wxObject &other)
	Copy ctor.

virtual	~wxObject ()
	Destructor.

virtual wxClassInfo *	GetClassInfo () const
	This virtual function is redefined for every class that requires run-time type information, when using the wxDECLARE_CLASS macro (or similar).

wxObjectRefData *	GetRefData () const
	Returns the wxObject::m_refData pointer, i.e. the data referenced by this object.

bool	IsKindOf (const wxClassInfo *info) const
	Determines whether this class is a subclass of (or the same class as) the given class.

bool	IsSameAs (const wxObject &obj) const
	Returns true if this object has the same data pointer as obj.

void	Ref (const wxObject &clone)
	Makes this object refer to the data in clone.

void	SetRefData (wxObjectRefData *data)
	Sets the wxObject::m_refData pointer.

void	UnRef ()
	Decrements the reference count in the associated data, and if it is zero, deletes the data.

void	UnShare ()
	This is the same of AllocExclusive() but this method is public.

void	operator delete (void *buf)
	The delete operator is defined for debugging versions of the library only, when the identifier `WXDEBUG` is defined.

void *	operator new (size_t size, const wxString &filename=NULL, int lineNum=0)
	The new operator is defined for debugging versions of the library only, when the identifier `WXDEBUG` is defined.

Protected Attributes
wxRichTextImageBlock	m_imageBlock

wxBitmap	m_imageCache

wxSize	m_originalImageSize

int	m_imageState

Protected Attributes inherited from wxRichTextObject
wxSize	m_size

wxSize	m_maxSize

wxSize	m_minSize

wxPoint	m_pos

int	m_descent

int	m_refCount

bool	m_show

wxRichTextObject *	m_parent

wxRichTextRange	m_range

wxRichTextRange	m_ownRange

wxRichTextAttr	m_attributes

wxRichTextProperties	m_properties

Protected Attributes inherited from wxObject
wxObjectRefData *	m_refData
	Pointer to an object which is the object's reference-counted data.

Additional Inherited Members
Static Public Member Functions inherited from wxRichTextObject
static int	ConvertTenthsMMToPixels (int ppi, int units, double scale=1.0)
	Converts units in tenths of a millimetre to device units.

static int	ConvertPixelsToTenthsMM (int ppi, int pixels, double scale=1.0)
	Convert units in pixels to tenths of a millimetre.

static bool	DrawBoxAttributes (wxDC &dc, wxRichTextBuffer buffer, const wxRichTextAttr &attr, const wxRect &boxRect, int flags=0, wxRichTextObject obj=NULL)
	Draws the borders and background for the given rectangle and attributes.

static bool	DrawBorder (wxDC &dc, wxRichTextBuffer *buffer, const wxRichTextAttr &attr, const wxTextAttrBorders &borders, const wxRect &rect, int flags=0)
	Draws a border.

static bool	GetBoxRects (wxDC &dc, wxRichTextBuffer *buffer, const wxRichTextAttr &attr, wxRect &marginRect, wxRect &borderRect, wxRect &contentRect, wxRect &paddingRect, wxRect &outlineRect)
	Returns the various rectangles of the box model in pixels.

static bool	GetTotalMargin (wxDC &dc, wxRichTextBuffer *buffer, const wxRichTextAttr &attr, int &leftMargin, int &rightMargin, int &topMargin, int &bottomMargin)
	Returns the total margin for the object in pixels, taking into account margin, padding and border size.

static wxRect	AdjustAvailableSpace (wxDC &dc, wxRichTextBuffer *buffer, const wxRichTextAttr &parentAttr, const wxRichTextAttr &childAttr, const wxRect &availableParentSpace, const wxRect &availableContainerSpace)
	Returns the rectangle which the child has available to it given restrictions specified in the child attribute, e.g.

Protected Member Functions inherited from wxObject
void	AllocExclusive ()
	Ensure that this object's data is not shared with any other object.

virtual wxObjectRefData *	CreateRefData () const
	Creates a new instance of the wxObjectRefData-derived class specific to this object and returns it.

virtual wxObjectRefData *	CloneRefData (const wxObjectRefData *data) const
	Creates a new instance of the wxObjectRefData-derived class specific to this object and initializes it copying data.

Constructor & Destructor Documentation

wxRichTextImage::wxRichTextImage ( wxRichTextObject * parent = NULL )

inline

Default constructor.

wxRichTextImage::wxRichTextImage	(	const wxImage &	image,
		wxRichTextObject *	parent = `NULL`,
		wxRichTextAttr *	charStyle = `NULL`
	)

Creates a wxRichTextImage from a wxImage.

wxRichTextImage::wxRichTextImage	(	const wxRichTextImageBlock &	imageBlock,
		wxRichTextObject *	parent = `NULL`,
		wxRichTextAttr *	charStyle = `NULL`
	)

Creates a wxRichTextImage from an image block.

wxRichTextImage::wxRichTextImage ( const wxRichTextImage & obj )

inline

Copy constructor.

Member Function Documentation

virtual bool wxRichTextImage::CanEditProperties ( ) const

inlinevirtual

Returns true if we can edit the object's properties via a GUI.

Reimplemented from wxRichTextObject.

virtual wxRichTextObject* wxRichTextImage::Clone ( ) const

inlinevirtual

Clones the image object.

Reimplemented from wxRichTextObject.

void wxRichTextImage::Copy ( const wxRichTextImage & obj )

Copies the image object.

virtual bool wxRichTextImage::Draw	(	wxDC &	dc,
		wxRichTextDrawingContext &	context,
		const wxRichTextRange &	range,
		const wxRichTextSelection &	selection,
		const wxRect &	rect,
		int	descent,
		int	style
	)

virtual

Draw the item, within the given range.

Some objects may ignore the range (for example paragraphs) while others must obey it (lines, to implement wrapping)

Implements wxRichTextObject.

virtual bool wxRichTextImage::EditProperties	(	wxWindow *	parent,
		wxRichTextBuffer *	buffer
	)

virtual

Edits the object's properties via a GUI.

Reimplemented from wxRichTextObject.

wxRichTextImageBlock& wxRichTextImage::GetImageBlock ( )

inline

Returns the image block containing the raw data.

const wxBitmap& wxRichTextImage::GetImageCache ( ) const

inline

Returns the image cache (a scaled bitmap).

int wxRichTextImage::GetImageState ( ) const

inline

Gets the image state.

virtual wxTextAttrSize wxRichTextImage::GetNaturalSize ( ) const

virtual

Returns the 'natural' size for this object - the image size.

Reimplemented from wxRichTextObject.

wxSize wxRichTextImage::GetOriginalImageSize ( ) const

Gets the original image size.

wxSize wxRichTextImage::GetOriginalImageSize ( ) const

inline

Gets the original image size.

virtual wxString wxRichTextImage::GetPropertiesMenuLabel ( ) const

inlinevirtual

Returns the label to be used for the properties context menu item.

Reimplemented from wxRichTextObject.

virtual bool wxRichTextImage::GetRangeSize	(	const wxRichTextRange &	range,
		wxSize &	size,
		int &	descent,
		wxDC &	dc,
		wxRichTextDrawingContext &	context,
		int	flags,
		const wxPoint &	position = `wxPoint(0, 0)`,
		const wxSize &	parentSize = `wxDefaultSize`,
		wxArrayInt *	partialExtents = `NULL`
	)		const

virtual

Returns the object size for the given range.

Returns false if the range is invalid for this object.

Implements wxRichTextObject.

virtual wxString wxRichTextImage::GetXMLNodeName ( ) const

inlinevirtual

Returns the XML node name of this object.

This must be overridden for wxXmlNode-base XML export to work.

Reimplemented from wxRichTextObject.

virtual bool wxRichTextImage::ImportFromXML	(	wxRichTextBuffer *	buffer,
		wxXmlNode *	node,
		wxRichTextXMLHandler *	handler,
		bool *	recurse
	)

virtual

Imports this object from XML.

Reimplemented from wxRichTextObject.

virtual bool wxRichTextImage::IsEmpty ( ) const

inlinevirtual

Returns true if the object is empty.

Reimplemented from wxRichTextObject.

virtual bool wxRichTextImage::IsFloatable ( ) const

inlinevirtual

Returns true if this class of object is floatable.

Reimplemented from wxRichTextObject.

virtual bool wxRichTextImage::Layout	(	wxDC &	dc,
		wxRichTextDrawingContext &	context,
		const wxRect &	rect,
		const wxRect &	parentRect,
		int	style
	)

virtual

Lay the item out at the specified position with the given size constraint.

Layout must set the cached size. rect is the available space for the object, and parentRect is the container that is used to determine a relative size or position (for example if a text box must be 50% of the parent text box).

Implements wxRichTextObject.

virtual bool wxRichTextImage::LoadAndScaleImageCache	(	wxImage &	image,
		const wxSize &	sz,
		bool	delayLoading,
		bool &	changed
	)

virtual

Do the loading and scaling.

virtual bool wxRichTextImage::LoadImageCache	(	wxDC &	dc,
		wxRichTextDrawingContext &	context,
		wxSize &	retImageSize,
		bool	resetCache = `false`,
		const wxSize &	parentSize = `wxDefaultSize`
	)

virtual

Creates a cached image at the required size.

void wxRichTextImage::ResetImageCache ( )

inline

Resets the image cache.

void wxRichTextImage::SetImageCache ( const wxBitmap & bitmap )

inline

Sets the image cache.

void wxRichTextImage::SetImageState ( int state )

inline

Sets the image state.

void wxRichTextImage::SetOriginalImageSize ( const wxSize & sz )

Sets the original image size.

void wxRichTextImage::SetOriginalImageSize ( const wxSize & sz )

inline

Sets the original image size.

virtual bool wxRichTextImage::UsesParagraphAttributes ( ) const

inlinevirtual

Returns true if this object takes note of paragraph attributes (text and image objects don't).

Reimplemented from wxRichTextObject.

Member Data Documentation

wxRichTextImageBlock wxRichTextImage::m_imageBlock

protected

wxBitmap wxRichTextImage::m_imageCache

protected

int wxRichTextImage::m_imageState

protected

wxSize wxRichTextImage::m_originalImageSize

protected

Detailed Description

Public Member Functions

Protected Attributes

Additional Inherited Members

Constructor & Destructor Documentation

Member Function Documentation

Member Data Documentation