PROFILEHEADER structure (icm.h)
Contains information that describes the contents of a device profile file. This header occurs at the beginning of a device profile file.
Syntax
typedef struct tagPROFILEHEADER {
DWORD phSize;
DWORD phCMMType;
DWORD phVersion;
DWORD phClass;
DWORD phDataColorSpace;
DWORD phConnectionSpace;
DWORD phDateTime[3];
DWORD phSignature;
DWORD phPlatform;
DWORD phProfileFlags;
DWORD phManufacturer;
DWORD phModel;
DWORD phAttributes[2];
DWORD phRenderingIntent;
CIEXYZ phIlluminant;
DWORD phCreator;
BYTE phReserved[44];
} PROFILEHEADER;
Members
phSize
The size of the profile in bytes.
phCMMType
The identification number of the CMM that is used in the profile. Identification numbers are registered with the ICC.
phVersion
The version number of the profile. The version number is determined by the ICC. The current major version number is 02h. The current minor version number is 10h. The major and minor version numbers are in binary coded decimal (BCD). They must be stored in the following format.
Byte Number | Contents |
---|---|
0 | Major version number in BCD. |
1 | Minor version number in the most significant nibble of this byte. Bug fix version number in the least significant nibble. |
2 | Reserved. Must be set to 0. |
3 | Reserved. Must be set to 0. |
phClass
Indicates the profile class. For a description of profile classes, see Using Device Profiles with WCS. A profile class may have any of the following values.
Profile Class | Signature |
---|---|
Input Device Profile | CLASS_SCANNER |
Display Device Profile | CLASS_MONITOR |
Output Device Profile | CLASS_PRINTER |
Device Link Profile | CLASS_LINK |
Color Space Conversion Profile | CLASS_COLORSPACE |
Abstract Profile | CLASS_ABSTRACT |
Named Color Profile | CLASS_NAMED |
Color Appearance Model Profile | CLASS_CAMP |
Color Gamut Map Model Profile | CLASS_GMMP |
phDataColorSpace
A signature value that indicates the color space in which the profile data is defined. The member can be any of value from the Color Space Constants.
phConnectionSpace
A signature value that indicates the color space in which the profile connection space (PCS) is defined. The member can be any of the following values.
Profile Class | Signature |
---|---|
XYZ | SPACE_XYZ |
Lab | SPACE_Lab |
When the phClass member is set to CLASS_LINK, the PCS is taken from the phDataColorSpace member.
phDateTime[3]
The date and time that the profile was created.
phSignature
Reserved for internal use.
phPlatform
The primary platform for which the profile was created. The primary platform can be set to any of the following values.
Platform | Value |
---|---|
Apple Computer, Inc. | 'APPL' |
Microsoft Corp. | 'MSFT' |
Silicon Graphics, Inc. | 'SGI' |
Sun Microsystems, Inc. | 'SUNW' |
Taligent | 'TGNT' |
phProfileFlags
Bit flags containing hints that the CMM uses to interpret the profile data. The member can be set to the following values.
Constant | Meaning | ||
---|---|---|---|
|
|
||
|
|
phManufacturer
The identification number of the device profile manufacturer. All manufacturer identification numbers are registered with the ICC.
phModel
The device manufacturer's device model number. All model identification numbers are registered with the ICC.
phAttributes[2]
Attributes of profile. The profile attributes can be any of the following values.
Constant | Meaning |
---|---|
ATTRIB_TRANSPARENCY | Turns transparency on. If this flag is not used, the attribute is reflective by default. |
ATTRIB_MATTE | Turns matte display on. If this flag is not used, the attribute is glossy by default. |
phRenderingIntent
The profile rendering intent. The member can be set to one of the following values:
INTENT_PERCEPTUAL
INTENT_SATURATION
INTENT_RELATIVE_COLORIMETRIC
INTENT_ABSOLUTE_COLORIMETRIC
For more information, see Rendering intents.
phIlluminant
Profile illuminant.
phCreator
Signature of the software that created the profile. Signatures are registered with the ICC.
phReserved[44]
Reserved.
Requirements
Requirement | Value |
---|---|
Minimum supported client | Windows 2000 Professional [desktop apps only] |
Minimum supported server | Windows 2000 Server [desktop apps only] |
Header | icm.h |