GRE_LEGEND::ITEMBASE Class Reference

End of GRE_LEGEND::DRAWCONTEXT class. Base class for legend item defining virtual methods for drawing. More...

#include <gre/legend.h>

Inheritance diagram for GRE_LEGEND::ITEMBASE:

[legend]List of all members.

Public Member Functions
virtual void	Draw (const DRAWCONTEXT &dc, const LRECT2D &samplerect) const =0
void	DrawLabel (const DRAWCONTEXT &dc, const LRECT2D &samplerect) const
virtual void	DrawTreeView (void *hdc, const GRE_ELEMSAMPLE_DC &dc, const CRect &rect, bool HasFocus)=0
const RVC::ELEMENT &	GetElement () const
INT32	GetElemNum () const
const MISTRING &	GetLabel () const
void	GetLabelSize (const DRAWCONTEXT &dc, LPOINT2D &size) const
virtual bool	HasTransparency () const
	ITEMBASE (const RVC::ELEMENT &element, const MISTRING &label)
	ITEMBASE (const MISTRING &label)
	ITEMBASE ()
void	MergeLabel (const MISTRING &label)
virtual	~ITEMBASE ()

---

Detailed Description

End of GRE_LEGEND::DRAWCONTEXT class. Base class for legend item defining virtual methods for drawing.

Definition at line 262 of file legend.h.

---

Constructor & Destructor Documentation

GRE_LEGEND::ITEMBASE::ITEMBASE (   )

Default constructor.

GRE_LEGEND::ITEMBASE::ITEMBASE (  const MISTRING &  label  )  [explicit]

Construct with no specified element. Parameters: label  Label

GRE_LEGEND::ITEMBASE::ITEMBASE (  const RVC::ELEMENT &  element, const MISTRING &  label )

Construct with element and label. Parameters: element  Element from associated object label  Label

virtual GRE_LEGEND::ITEMBASE::~ITEMBASE (   )  [virtual]

Destructor.

---

Member Function Documentation

virtual void GRE_LEGEND::ITEMBASE::Draw (  const DRAWCONTEXT &  dc, const LRECT2D &  samplerect )  const [pure virtual]

Draw item. Parameters: dc  Legend drawing context samplerect  Rectangle for sample symbol, not including label Implemented in GRE_LEGEND_POINT::ITEM, GRE_LEGEND_LINE::ITEM, GRE_LEGEND_POLY::ITEM, GRE_LEGEND_COLORSAMPLE::ITEM, GRE_LEGEND_COLORSCALE::ITEM, and GRE_LAYER_RASTER::LEGEND_IMAGESAMPLE::ITEM.

void GRE_LEGEND::ITEMBASE::DrawLabel (  const DRAWCONTEXT &  dc, const LRECT2D &  samplerect )  const

Draw label. Parameters: dc  Legend drawing context samplerect  Rectangle for sample symbol, not including label

virtual void GRE_LEGEND::ITEMBASE::DrawTreeView (  void *  hdc, const GRE_ELEMSAMPLE_DC &  dc, const CRect &  rect, bool  HasFocus )  [pure virtual]

Draw item with label in MFC TreeView (MFC only). Must implement in derived class when compiling for WIN32_MFC. Parameters: hdc  Windows device context dc  Legend drawing context rect  Bounding rectangle including label HasFocus  'true' if item has "focus" Implemented in GRE_LEGEND_POINT::ITEM, GRE_LEGEND_LINE::ITEM, GRE_LEGEND_POLY::ITEM, GRE_LEGEND_COLORSAMPLE::ITEM, GRE_LEGEND_COLORSCALE::ITEM, and GRE_LAYER_RASTER::LEGEND_IMAGESAMPLE::ITEM.

const RVC::ELEMENT& GRE_LEGEND::ITEMBASE::GetElement (   )  const [inline]

Get element used by item. Definition at line 308 of file legend.h.

INT32 GRE_LEGEND::ITEMBASE::GetElemNum (   )  const [inline]

Get element number. Definition at line 312 of file legend.h.

const MISTRING& GRE_LEGEND::ITEMBASE::GetLabel (   )  const [inline]

Get the label. Definition at line 316 of file legend.h.

void GRE_LEGEND::ITEMBASE::GetLabelSize (  const DRAWCONTEXT &  dc, LPOINT2D &  size )  const

Get size of label. Parameters: dc  Legend drawing context size  Size in "display pixels" returned

virtual bool GRE_LEGEND::ITEMBASE::HasTransparency (   )  const [virtual]

Determine if item requires transparency support. Reimplemented in GRE_LEGEND_POINT::ITEM, GRE_LEGEND_LINE::ITEM, and GRE_LEGEND_POLY::ITEM.

void GRE_LEGEND::ITEMBASE::MergeLabel (  const MISTRING &  label  )

Merge label with current label.

---

The documentation for this class was generated from the following file:

• gre/legend.h

---