`KcsProfileFormat` Class

6

This chapter describes the KCMS framework KcsProfileFormat class. With the KcsProfileFormat class interface you can map a profile from a static store into the traditional objects that make up a profile. The KcsProfileFormat class is derived from the KcsLoadable class. See Chapter 4, "KcsLoadable Class," for a description of the KcsLoadable class.

As you read this chapter, you will find it helpful to have access to the following header files:

kcspfmt.h
kcsload.h and kcsxform.h
kcsattr.h

The header file for the class is kcspfmt.h. The constant and #define identifiers for this class are defined in the kcsids.h header file as:

const KcsId KcsLoadPfmtId = {(0x50666D74UL)}; /* 'Pfmt' */
#define KcsLoadPfmtIdd (0x50666D74UL) /* 'Pfmt' */

In addition to the KcsLoadable methods overridden by this class, there are methods for mapping data in static store into profiles comprised of objects. The protected and public members are described, as well as the member function override rules when deriving from this class.

Protected Members

The KcsProfileFormat class has the following protected members.

Table 6-1 KcsProfileFormat

Protected Member	Description
`virtual KcsStatus` `deleteXform(KcsXformType aXfType);`	Deletes the transforms.
`KcsProfileFormat(KcsStatus aStat, KcsIO KcsIO, int Format = 0);`	Constructor that takes a `KcsIO` object to construct the appropriate profile format.
`KcsProfileFormat(KcsStatus *aStat,` `KcsId aCmmId,KcsVersion aCmmVersion,` `KcsId aProfId, KcsVersion aProfVersion);`	Constructor. Takes a profile version and creates a blank profile format.
`virtual KcsStatus` `loadObjectMap(const KcsLoadHints aHints =` `KcsLoadAllNow,` `KcsCallbackFunction aCallback = NULL);`	Loads the profile format's objects mapped to chunk Ids.
`virtual KcsStatus saveObjectMap();`	Saves profile format's objects mapped to chunk Ids.

Public Members

The KcsProfileFormat class has the following public members.

Table 6-2 KcsProfileFormat

Public Member	Description
`static KcsProfileFormat ` `createProfileFormat(KcsStatus aStat, KcsIO *aIO);`	Creates a profile format object from a KcsIO object.
`static KcsProfileFormat ` `createProfileFormat(KcsStatus aStat, KcsId aCmmId, KcsVersion aCmmVersion, KcsId aProfId, KcsVersion aProfVersion);`	Creates a profile format object from CMM and profile information.
`virtual void` `dirtyAttrCache();`	Caches an attribute that has changed.
`virtual void` `dirtyXformCache(KcsXformType aXformId);`	Caches an Xform that has changed.

Table 6-2 KcsProfileFormat(Continued)

Public Member	Description
`KcsLoadHints generateLoadWhat(` `const KcsXformType aXfType) const;`	Returns the load hint associated with this `KcsXformType`.
`virtual KcsAttributeSet ` `generateXformAttributes(KcsStatus aStat, KcsXformType aXfType);`	Generates attributes associated with a `KcsXform`.
`virtual KcsStatus getCmmId(KcsId *);`	Returns a CMM Id.
`virtual KcsStatus` `getObject(KcsAttributeSet **aAttr,` `KcsCallbackFunction aFunc = NULL);`	Gets the `KcsAttributeSet` of the format.
`virtual KcsStatus` `getObject(KcsXform **aXform, KcsXformType aXformId,` `KcsCallbackFunction aFunc = NULL);`	Returns the `KcsXform` that represents the `aXformID` operation.
`virtual long getSaveSize();`	Returns the number of bytes to be saved.
`static KcsId` `getTheCMMId(KcsStatus aStat, KcsIO aIO);`	Gets the CMM identifier for the `KcsIO` object.
`static KcsVersion` `getTheCMMVersion(KcsStatus aStat, KcsIO aIO);`	Gets the CMM version for the `KcsIO` object.
`static KcsId` `getTheProfileFormat(KcsStatus aStat, KcsIO aIO);`	Gets the profile format using the `KcsIO` object.
`static KcsVersion` `getTheProfileVersion(KcsStatus aStat, KcsIO aIO);`	Gets the profile version using the `KcsIO` object.
`virtual long getSaveSize();`	Returns the number of bytes needed to save the profile.
`virtual KcsStatus` `initEmptyFormat(KcsIdent aCMMId =` `KcsKodakColorSenseCMM);`	Initializes profile's static store to an initial state.
`virtual KcsStatus isSupported(KcsLoadHint aHints);`	Returns whether the object(s) associated with `aHints` is supported by this profile instance.
`KcsProfileFormat(KcsStatus *aStat);`	Constructor.
`virtual ~KcsProfileFormat(void);`	Destructor.

Table 6-2 KcsProfileFormat(Continued)

Public Member	Description
`virtual KcsStatus` `postAttrCompose(KcsTags aOwningAttrSet,` `const long aCount, KcsTags *aOrigSequence);`	Builds ICC profile sequence description tag.
`virtual KcsStatus` `save();`	Saves all objects associated with this profile format.
`virtual KcsStatus` `saveNew(KcsChunkSet *);`	Saves using a different chunk set .
`virtual KcsStatus setCmmId(KcsId);`	Sets the CMM Id.
`virtual KcsStatus` `setObject(KcsAttribute *aAttr);`	Sets `KcsAttribute` to the set of attributes to save in this profile's format.
`virtual KcsStatus` `setObject(KcsXformType aXformId, KcsXform *aXform);`	Sets the `KcsXformType` to the `KcsXform` class `aXform`.
`virtual KcsStatus` `unloadWhenMatch(KcsLoadHints aMatchHints =` `KcsUnloadAfterUse);`	Unloads the profile objects associated with `aMatchHints`, if they match the last hints supplied to `unload()`. Unloads the correct data automatically. Helps recover memory (call it with `KcsUnloadWhenNecessary()`).

Member Function Override Rules

The following table tells you which KcsProfileFormat member functions you must override and can override when deriving from this class. The member functions indicated with an "X" in the Must column are required to successfully derive from this base class. Others can be used but not overridden.

Table 6-3 KcsProfileFormat

Member Function	Override Rules Must..Can
`deleteXform()`		X
`dirtyAttrCache()`		X
`dirtyXformCache()`		X

Table 6-3 KcsProfileFormat(Continued)

Member Function	Override Rules Must..Can
`generateLoadWhat()`		X
`generateXformAttributes()`		X
`getObject()`		X
`getSaveSize()`		X
`initEmptyFormat()`		X
`isSupported()`		X
`KcsProfileFormat()`	X
`~KcsProfileFormat()`		X
`load()`		X
`loadObjectMap()`		X
`postAttrCompose()`		X
`save()`		X
`saveNew()`		X
`saveObjectMap()`		X
`setCmmId()`		X
`setObject()`		X
`unload()`		X
`unloadWhenMatch()`		X

External Loadable Interface

All KcsProfileFormat derivatives support runtime derivability. The base class supports the static createX(UID) method like many of the other classes in the KCMS framework. It also supports

createProfileFormat(KcsVersion) for creation of new profile formats.


  static KcsProfileFormat *createProfileFormat(  
           KcsStatus *aStat, KcsIO *aIO);  
  // Create a profile format given a chunkSet that has  
  // already been created.  
  static KcsProfileFormat *createProfileFormat(  
           KcsStatus *aStat, KcsId aCmmId, KcsVersion aCmmVersion,  
           KcsId aProfId, KcsVersion aProfVersion);  
  // Create a new profile format of a given version.

See the KCMS CMM Developer's Guide for more information on creating a KcsProfileFormat runtime derivative.

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KcsProfileFormat Class

6

Protected Members

Public Members

Member Function Override Rules

External Loadable Interface

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`KcsProfileFormat` Class