Public Types | Public Member Functions | List of all members
iview::IRuler Class Referenceabstract

Interface for ruler implementation. More...

#include <IRuler.h>

Inheritance diagram for iview::IRuler:
istd::IChangeable istd::IPolymorphic

Public Types

typedef QPair< double, double > Mark
 
- Public Types inherited from istd::IChangeable
enum  ChangeFlags {
  CF_ACF_INTERNAL = 0, CF_ALL_DATA, CF_ANY, CF_DESTROYING,
  CF_DELEGATED, CF_NO_UNDO
}
 Data model change notification flags. More...
 
enum  SupportedOperations {
  SO_NONE = 0, SO_OBSERVE = 1 << 0, SO_COPY = 1 << 1, SO_CLONE = 1 << 2,
  SO_COMPARE = 1 << 3, SO_RESET = 1 << 4
}
 Flags for supported operations. More...
 
enum  CompatibilityMode { CM_STRICT, CM_WITHOUT_REFS, CM_WITH_REFS, CM_CONVERT }
 Control how relationship betweeen objects are interpreted. More...
 

Public Member Functions

virtual void Reset ()=0
 Set levels count to 0 and remove all marks. More...
 
virtual void Clear ()=0
 Remove all marks, but doesn't change reserved space. More...
 
virtual int GetLevelsCount () const =0
 Get count of levels. More...
 
virtual void SetLevelsCount (int count)=0
 Set levels count. More...
 
virtual i2d::CLine2d GetScreenLine () const =0
 Get pixels range, that adequate mark value. More...
 
virtual void ReserveLevelSpace (int levelIndex, int marksCount)=0
 Reserve marks space to optimize insert operation. More...
 
virtual int GetMarksCount (int levelIndex) const =0
 Get count of marks on specified level. More...
 
virtual Mark GetMark (int markIndex, int levelIndex) const =0
 Get a mark. More...
 
virtual void InsertMark (int levelIndex, const Mark &mark)=0
 Insert new mark. More...
 
- Public Member Functions inherited from istd::IChangeable
virtual int GetSupportedOperations () const
 Get set of flags for supported operations. More...
 
virtual bool CopyFrom (const IChangeable &object, CompatibilityMode mode=CM_WITHOUT_REFS)
 Copy this object from another one. More...
 
virtual bool IsEqual (const IChangeable &object) const
 Compare this object with another object. More...
 
virtual IChangeableCloneMe (CompatibilityMode mode=CM_WITHOUT_REFS) const
 Make a copy of this object. More...
 
virtual bool ResetData (CompatibilityMode mode=CM_WITHOUT_REFS)
 Reset data to its default state. More...
 
virtual void BeginChanges (const ChangeSet &changeSet)
 Starts the change transaction. More...
 
virtual void EndChanges (const ChangeSet &changeSet)
 Ends the change transaction. More...
 
virtual void BeginChangeGroup (const ChangeSet &changeSet)
 Starts group of changes. More...
 
virtual void EndChangeGroup (const ChangeSet &changeSet)
 Ends group of changes. More...
 
- Public Member Functions inherited from istd::IPolymorphic
virtual ~IPolymorphic ()
 

Additional Inherited Members

- Static Public Member Functions inherited from istd::IChangeable
static const ChangeSetGetNoChanges ()
 Get empty set of changes. More...
 
static const ChangeSetGetAnyChange ()
 Get anonymous change set. More...
 
static const ChangeSetGetAllChanges ()
 Get anonymous change set. More...
 
static const ChangeSetGetDelegatedChanges ()
 Get delegated change set. More...
 
- Protected Member Functions inherited from istd::IChangeable
virtual void OnBeginChanges ()
 Callback function for begin change event. More...
 
virtual void OnEndChanges (const ChangeSet &changeSet)
 Callback function for end change event. More...
 

Detailed Description

Interface for ruler implementation.

Ruler allow to set a values at different positions on different levels. Level 0 is the most important.

Definition at line 23 of file IRuler.h.

Member Typedef Documentation

typedef QPair<double, double> iview::IRuler::Mark

Definition at line 26 of file IRuler.h.

Member Function Documentation

virtual void iview::IRuler::Clear ( )
pure virtual

Remove all marks, but doesn't change reserved space.

virtual int iview::IRuler::GetLevelsCount ( ) const
pure virtual

Get count of levels.

Higher levels have lower priority.

virtual Mark iview::IRuler::GetMark ( int  markIndex,
int  levelIndex 
) const
pure virtual

Get a mark.

First element of the mark is a relative position on ruler in range [0, 1]. Second element is the value.

virtual int iview::IRuler::GetMarksCount ( int  levelIndex) const
pure virtual

Get count of marks on specified level.

virtual i2d::CLine2d iview::IRuler::GetScreenLine ( ) const
pure virtual

Get pixels range, that adequate mark value.

virtual void iview::IRuler::InsertMark ( int  levelIndex,
const Mark mark 
)
pure virtual

Insert new mark.

See Also
GetMark(int, int).
virtual void iview::IRuler::ReserveLevelSpace ( int  levelIndex,
int  marksCount 
)
pure virtual

Reserve marks space to optimize insert operation.

virtual void iview::IRuler::Reset ( )
pure virtual

Set levels count to 0 and remove all marks.

virtual void iview::IRuler::SetLevelsCount ( int  count)
pure virtual

Set levels count.

All marks in the levels will be removed.


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

© 2007-2017 Witold Gantzke and Kirill Lepskiy