OdDbLayerState Class Reference

#include <DbLayerState.h>

Public Types
enum	Mask {   kDefMask = (long)0xFFFFFFFF, kNone = 0x0000, kOn = 0x0001, kFrozen = 0x0002,   kLocked = 0x0004, kPlot = 0x0008, kNewViewport = 0x0010, kColor = 0x0020,   kLineType = 0x0040, kLineWeight = 0x0080, kPlotStyle = 0x0100, kCurrentViewport = 0x0200,   kTransparency = 0x0400, kAll, kHidden = 0x8000, kLastRestored = 0x10000 }
enum	{ kUndefDoNothing = 0x00, kUndefTurnOff = 0x01, kUndefFreeze = 0x02, kRestoreAsOverrides = 0x04 }
enum	ImportResult { kImported, kAlreadyExists }

Static Public Member Functions
static OdDbObjectId	dictionaryId (OdDbDatabase *pDb, bool createIfNotFound=false)
static bool	has (OdDbDatabase *pDb, const OdString &layerStateName)
static void	save (OdDbDatabase *pDb, const OdString &layerStateName, int layerStateMask, const OdDbObjectId &viewportId=OdDbObjectId::kNull)
static void	restore (OdDbDatabase *pDb, const OdString &layerStateName, int flags=kUndefDoNothing, const int layerStateMask=kDefMask, const OdDbObjectId &viewportId=OdDbObjectId::kNull)
static void	setMask (OdDbDatabase *pDb, const OdString &layerStateName, int layerStateMask)
static int	mask (OdDbDatabase *pDb, const OdString &layerStateName)
static void	remove (OdDbDatabase *pDb, const OdString &layerStateName)
static void	rename (OdDbDatabase *pDb, const OdString &oldName, const OdString &newName)
static ImportResult	importData (OdDbDatabase *pDb, OdStreamBuf *pStreamBuf, OdString *pName=0)
static void	exportData (OdDbDatabase *pDb, const OdString &layerStateName, OdStreamBuf *pStreamBuf)
static void	setDescription (OdDbDatabase *pDb, const OdString &layerStateName, const OdString &description)
static OdString	description (OdDbDatabase *pDb, const OdString &layerStateName)
static bool	hasViewportData (OdDbDatabase *pDb, const OdString &layerStateName)
static OdResult	addLayerStateLayers (const OdString &sName, OdDbObjectIdArray layerIds)
static OdResult	removeLayerStateLayers (OdDbDatabase *pDb, const OdString sName, const OdStringArray &layerNames)
static OdResult	saveGroup (OdDbDatabase *pDb, const OdString &sName, const OdDbObjectIdArray &pLayers, int mask=kOn, int includedLayersState=kOn, int otherLayersState=kNone)

Detailed Description

This class implements an interface for manipulating LayerStates in multiple OdDbDatabase instances.

Library: TD_Db <group OdDb_Classes>

Definition at line 36 of file DbLayerState.h.

Member Enumeration Documentation

anonymous enum

anonymous enum

Enumerator
kUndefDoNothing
kUndefTurnOff
kUndefFreeze
kRestoreAsOverrides

Definition at line 65 of file DbLayerState.h.

ImportResult

enum OdDbLayerState::ImportResult

Enumerator
kImported
kAlreadyExists

Definition at line 256 of file DbLayerState.h.

Mask

enum OdDbLayerState::Mask

Enumerator
kDefMask
kNone
kOn
kFrozen
kLocked
kPlot
kNewViewport
kColor
kLineType
kLineWeight
kPlotStyle
kCurrentViewport
kTransparency
kAll
kHidden
kLastRestored

Definition at line 39 of file DbLayerState.h.

Member Function Documentation

addLayerStateLayers()

static OdResult OdDbLayerState::addLayerStateLayers ( const OdString &  sName, OdDbObjectIdArray  layerIds  )

static

Adds more layers to a layer state.

Parameters

pDb	[in] Pointer to the database.
layerStateName	[in] LayerState name.
layerIds	[in] Array of object Ids of layers to be added to the layer state

description()

static OdString OdDbLayerState::description ( OdDbDatabase *  pDb, const OdString &  layerStateName  )

static

Returns the description of the specified LayerState in the specified database.

Parameters

pDb	[in] Pointer to the database.
layerStateName	[in] LayerState name.

dictionaryId()

static OdDbObjectId OdDbLayerState::dictionaryId ( OdDbDatabase *  pDb, bool  createIfNotFound = false  )

static

Returns the Object ID of the LayerStates dictionary for the specified database.

Parameters

pDb	[in] Pointer to the database.
createIfNotFound	[in] Controls the creation of the dictionary if it does not exist.

exportData()

static void OdDbLayerState::exportData ( OdDbDatabase *  pDb, const OdString &  layerStateName, OdStreamBuf *  pStreamBuf  )

static

Exports the LayerState from the specified database to the specified file.

Parameters

pDb	[in] Pointer to the database.
pStreamBuf	[in] Pointer to the StreamBuf object to which the data are to be written.
layerStateName	[in] LayerState name.

has()

static bool OdDbLayerState::has ( OdDbDatabase *  pDb, const OdString &  layerStateName  )

static

Returns true if and only if the specified database has a LayerState with the specified name.

Parameters

pDb	[in] Pointer to the database.
layerStateName	[in] LayerState name.

hasViewportData()

static bool OdDbLayerState::hasViewportData ( OdDbDatabase *  pDb, const OdString &  layerStateName  )

static

Returns true if and only if there is viewport data associated with specified LayerState in the specified database.

Parameters

pDb	[in] Pointer to the database.
layerStateName	[in] LayerState name.

importData()

static ImportResult OdDbLayerState::importData ( OdDbDatabase *  pDb, OdStreamBuf *  pStreamBuf, OdString *  pName = 0  )

static

Imports the LayerState from the specified file to the specified database.

Parameters

pDb	[in] Pointer to the database.
pStreamBuf	[in] Pointer to the StreamBuf object from which the data are to be read.
pName	[out] Optional pointer to the string where imported layer state name will be stored.

Returns one of the following:

Value
kImported 0
kAlreadyExists 1

mask()

static int OdDbLayerState::mask ( OdDbDatabase *  pDb, const OdString &  layerStateName  )

static

Returns the LayerState mask for the specified LayerState in the specified database.

Parameters

pDb	[in] Pointer to the database.
layerStateName	[in] LayerState name.

Remarks

The layer state mask determines which layer attributes are to be restored from the LayerState.

mask() returns a combination of one or more of the following:

Value
kNone 0x0000
kOn 0x0001
kFrozen 0x0002
kLocked 0x0004
kPlot 0x0008
kNewViewport 0x0010
kColor 0x0020
kLineType 0x0040
kLineWeight 0x0080
kPlotStyle 0x0100
kCurrentViewport 0x0200
kTransparency 0x0400 kAll kOn | kFrozen | kLocked | kPlot | kNewViewport | kColor | kLineType | kLineWeight | kPlotStyle | kCurrentViewport | kTransparency
kHidden 0x8000

remove()

static void OdDbLayerState::remove ( OdDbDatabase *  pDb, const OdString &  layerStateName  )

static

Removes the specified LayerState from the specified database.

Parameters

pDb	[in] Pointer to the database.
layerStateName	[in] LayerState name.

removeLayerStateLayers()

static OdResult OdDbLayerState::removeLayerStateLayers ( OdDbDatabase *  pDb, const OdString  sName, const OdStringArray &  layerNames  )

static

Removes layers from a layer state.

Parameters

pDb	[in] Pointer to the database.
layerStateName	[in] LayerState name.
layerNames	[in] Array of names of layers to be removed from the layer state.

rename()

static void OdDbLayerState::rename ( OdDbDatabase *  pDb, const OdString &  oldName, const OdString &  newName  )

static

Renames the specified LayerState in the specified database.

Parameters

pDb	[in] Pointer to the database.
oldName	[in] Old name.
newName	[in] New name.

restore()

static void OdDbLayerState::restore ( OdDbDatabase *  pDb, const OdString &  layerStateName, int  flags = kUndefDoNothing, const int  layerStateMask = kDefMask, const OdDbObjectId &  viewportId = OdDbObjectId::kNull  )

static

Restores the specified LayerState of the specified database.

Parameters

pDb	[in] Pointer to the database.
layerStateName	[in] LayerState name.
layerStateMask	[in] LayerState mask.
viewportId	[in] Viewport whose LayerState is to be saved.
undefAction	[in] Action for undefined layers.

Remarks

undefAction specified the action for layers not defined in the LayerState. undefAction must be one of the following:

Value
kUndefDoNothing 0
kUndefTurnOff 1
kUndefFreeze 2

layerStateMask determines which layer attributes are to be restored from the LayerState.
layerStateMask must be a combination of one or more of the following:

Value
kDefMask 0xFFFFFFFF
kNone 0x0000
kOn 0x0001
kFrozen 0x0002
kLocked 0x0004
kPlot 0x0008
kNewViewport 0x0010
kColor 0x0020
kLineType 0x0040
kLineWeight 0x0080
kPlotStyle 0x0100
kCurrentViewport 0x0200
kTransparency 0x0400 kAll kOn | kFrozen | kLocked | kPlot | kNewViewport | kColor | kLineType | kLineWeight | kPlotStyle | kCurrentViewport | kTransparency
kHidden 0x8000

save()

static void OdDbLayerState::save ( OdDbDatabase *  pDb, const OdString &  layerStateName, int  layerStateMask, const OdDbObjectId &  viewportId = OdDbObjectId::kNull  )

static

Saves the current LayerState of the specified database.

Parameters

pDb	[in] Pointer to the database.
layerStateName	[in] LayerState name.
layerStateMask	[in] LayerState mask.
viewportId	[in] Viewport whose LayerState is to be saved.

Remarks

layerStateMask determines which layer attributes are to be stored in the LayerState.
layerStateMask must be a combination of one or more of the following:

Value
kNone 0x0000
kOn 0x0001
kFrozen 0x0002
kLocked 0x0004
kPlot 0x0008
kNewViewport 0x0010
kColor 0x0020
kLineType 0x0040
kLineWeight 0x0080
kPlotStyle 0x0100
kCurrentViewport 0x0200
kTransparency 0x0400 kAll kOn | kFrozen | kLocked | kPlot | kNewViewport | kColor | kLineType | kLineWeight | kPlotStyle | kCurrentViewport | kTransparency
kHidden 0x8000

saveGroup()

static OdResult OdDbLayerState::saveGroup ( OdDbDatabase *  pDb, const OdString &  sName, const OdDbObjectIdArray &  pLayers, int  mask = kOn, int  includedLayersState = kOn, int  otherLayersState = kNone  )

static

Creates a layer state where specified layers are assigned one state (e.g. ON), and all the others are assigned other state (e.g. OFF).

Parameters

pDb	[in] Pointer to the database.
layerStateName	[in] LayerState name.
layerIds	[in] Array of object Ids of layers to be added to the layer state
mask	[in] created

setDescription()

static void OdDbLayerState::setDescription ( OdDbDatabase *  pDb, const OdString &  layerStateName, const OdString &  description  )

static

Sets the description of the specified LayerState in the specified database.

Parameters

pDb	[in] Pointer to the database.
layerStateName	[in] LayerState name.
description	[in] Description.

setMask()

static void OdDbLayerState::setMask ( OdDbDatabase *  pDb, const OdString &  layerStateName, int  layerStateMask  )

static

Sets the LayerState mask for the specified LayerState in the specified database.

Parameters

pDb	[in] Pointer to the database.
layerStateName	[in] LayerState name.
layerStateMask	[in] LayerState mask.

Remarks

layerStateMask determines which layer attributes are to be restored from the LayerState.
layerStateMask must be a combination of one or more of the following:

Value
kNone 0x0000
kOn 0x0001
kFrozen 0x0002
kLocked 0x0004
kPlot 0x0008
kNewViewport 0x0010
kColor 0x0020
kLineType 0x0040
kLineWeight 0x0080
kPlotStyle 0x0100
kCurrentViewport 0x0200
kTransparency 0x0400 kAll kOn | kFrozen | kLocked | kPlot | kNewViewport | kColor | kLineType | kLineWeight | kPlotStyle | kCurrentViewport | kTransparency
kHidden 0x8000

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

• DbLayerState.h