LOGCOLORSPACE
The LOGCOLORSPACE
structure contains information that defines a logical color space.
typedef struct tagLOGCOLORSPACE {
DWORD lcsSignature;
DWORD lcsVersion;
DWORD lcsSize;
LCSCSTYPE lcsCSType;
LCSGAMUTMATCH lcsIntent;
CIEXYZTRIPLE lcsEndpoints;
DWORD lcsGammaRed;
DWORD lcsGammaGreen;
DWORD lcsGammaBlue;
TCHAR lcsFilename[MAX_PATH];
} LOGCOLORSPACE, *LPLOGCOLORSPACE;
Members
lcsSignature
Color space
signature.
lcsVersion
Version
number; must be 0x400.
lcsSize
Size of this
structure, in bytes.
lcsCSType
Color space
type. Can be one of the following values:
|
Value |
Meaning |
|
LCS_DEVICE_RGB |
Color
values are device RGB values. The values are passed to the device without
translation. |
|
LCS_DEVICE_CMYK |
Color
values are device CMYK values. The values are passed to the device without
translation |
|
LCS_CALIBRATED_RGB |
Color
values are calibrated RGB values. The values are translated using the
endpoints specified by the lcsEndpoints member before being passed to
the device. |
If
LCS_CALIBRATED_RGB is not specified, the lcsEndpoints member is ignored.
lcsIntent
The gamut
matching method. Can be one of the following values:
|
Value |
Meaning |
|
|
|
|
|
|
LCS_GM_BUSINESS |
Maintain
saturation. Used for business charts and other situations in which undithered
colors are required. |
|
|
LCS_GM_GRAPHICS |
Maintain
colormetric match. Used for graphic designs and named colors. |
|
|
LCS_GM_IMAGES |
Maintain
contrast. Used for photographs and natural images. |
|
lcsEndpoints
Red, green,
blue endpoints.
lcsGammaRed
Scale of the
red coordinate.
lcsGammaGreen
Scale of the
green coordinate.
lcsGammaBlue
Scale of the
blue coordinate.
lcsFilename
A
null-terminated string that names a color profile file. This member is
typically set to zero, but may be used to set the color space to be exactly as
specified by the color profile. This is useful for devices that input color
values for a specific printer, or when using an installable image color
matcher. If a color profile is specified, all other members of this structure
should be set to reasonable values, even if the values are not 100 percent
accurate.
See Also