cmsio0.c

Linux下的无线网卡通用驱动程序

    NewIcc ->IsWrite = FALSE;
    
    
    

    return NewIcc;
}


// Creates a profile from memory read placeholder

LPLCMSICCPROFILE _cmsCreateProfileFromMemPlaceholder(LPVOID MemPtr, DWORD dwSize)
{   

    LPLCMSICCPROFILE NewIcc;
    LPVOID ICCfile = MemoryOpen((LPBYTE) MemPtr, (size_t) dwSize, 'r');


    if (ICCfile == NULL) {

        cmsSignalError(LCMS_ERRC_ABORTED, "Couldn't allocate %ld bytes for profile", dwSize);
        return NULL;  
    }


    NewIcc = (LPLCMSICCPROFILE) _cmsCreateProfilePlaceholder();
    if (NewIcc == NULL) return NULL;

    NewIcc -> PhysicalFile[0] = 0;    
    NewIcc ->stream = ICCfile;

    NewIcc ->Read  = MemoryRead; 
    NewIcc ->Seek  = MemorySeek;
    NewIcc ->Tell  = MemoryTell;
    NewIcc ->Close = MemoryClose;
    NewIcc ->Write = NULL;

    NewIcc ->IsWrite = FALSE;
        

    return NewIcc;
}


// Turn a placeholder into file writter

void _cmsSetSaveToDisk(LPLCMSICCPROFILE Icc, const char* FileName)
{

    if (FileName == NULL) {

          Icc ->stream = NULL;
    }
    else {

          Icc ->stream = fopen(FileName, "wb");
          if (Icc ->stream == NULL) 
                cmsSignalError(LCMS_ERRC_ABORTED, "Couldn't write to file '%s'", FileName);                       
    }

    Icc ->Write = FileWrite;   // Save to disk
    Icc ->Close = FileClose;
}



// Turn a  placeholder into memory writter

void _cmsSetSaveToMemory(LPLCMSICCPROFILE Icc, LPVOID MemPtr, size_t dwSize)
{

    if (MemPtr == NULL) {

        Icc ->stream = NULL;
    }
    else {

        Icc ->stream = (FILEMEM*) MemoryOpen((LPBYTE) MemPtr, dwSize, 'w');    
        if (Icc ->stream == NULL) 
                cmsSignalError(LCMS_ERRC_ABORTED, "Couldn't write to memory");                       
    }

    Icc ->Write = MemoryWrite;   
    Icc ->Close = MemoryClose;
}


// ----------------------------------------------------------------------- Set/Get several struct members




BOOL LCMSEXPORT cmsTakeMediaWhitePoint(LPcmsCIEXYZ Dest, cmsHPROFILE hProfile)
{
     LPLCMSICCPROFILE    Icc = (LPLCMSICCPROFILE) hProfile;
     *Dest = Icc -> MediaWhitePoint;
     return TRUE;
}


BOOL LCMSEXPORT cmsTakeMediaBlackPoint(LPcmsCIEXYZ Dest, cmsHPROFILE hProfile)
{
      LPLCMSICCPROFILE    Icc = (LPLCMSICCPROFILE) hProfile;
      *Dest = Icc -> MediaBlackPoint; 
      return TRUE;
}

BOOL  LCMSEXPORT cmsTakeIluminant(LPcmsCIEXYZ Dest, cmsHPROFILE hProfile)
{
       LPLCMSICCPROFILE  Icc = (LPLCMSICCPROFILE) hProfile;
       *Dest = Icc -> Illuminant;       
       return TRUE;
}

int LCMSEXPORT cmsTakeRenderingIntent(cmsHPROFILE hProfile)
{
       LPLCMSICCPROFILE  Icc = (LPLCMSICCPROFILE) hProfile;
       return (int) Icc -> RenderingIntent;
}

void LCMSEXPORT cmsSetRenderingIntent(cmsHPROFILE hProfile, int RenderingIntent)
{
    LPLCMSICCPROFILE  Icc = (LPLCMSICCPROFILE) hProfile;
    Icc -> RenderingIntent = (icRenderingIntent) RenderingIntent;
}


DWORD LCMSEXPORT cmsTakeHeaderFlags(cmsHPROFILE hProfile)
{
       LPLCMSICCPROFILE  Icc = (LPLCMSICCPROFILE) hProfile;
       return (DWORD) Icc -> flags;
}

void LCMSEXPORT cmsSetHeaderFlags(cmsHPROFILE hProfile, DWORD Flags)
{
    LPLCMSICCPROFILE  Icc = (LPLCMSICCPROFILE) hProfile;
    Icc -> flags = (icUInt32Number) Flags;
}

DWORD LCMSEXPORT cmsTakeHeaderAttributes(cmsHPROFILE hProfile)
{
       LPLCMSICCPROFILE  Icc = (LPLCMSICCPROFILE) hProfile;
       return (DWORD) Icc -> attributes;
}

void LCMSEXPORT cmsSetHeaderAttributes(cmsHPROFILE hProfile, DWORD Flags)
{
    LPLCMSICCPROFILE  Icc = (LPLCMSICCPROFILE) hProfile;
    Icc -> attributes = (icUInt32Number) Flags;
}


const BYTE* LCMSEXPORT cmsTakeProfileID(cmsHPROFILE hProfile)
{
    LPLCMSICCPROFILE  Icc = (LPLCMSICCPROFILE) hProfile;    
    return Icc ->ProfileID;
}

void LCMSEXPORT cmsSetProfileID(cmsHPROFILE hProfile, LPBYTE ProfileID)
{
    LPLCMSICCPROFILE  Icc = (LPLCMSICCPROFILE) hProfile;
    CopyMemory(Icc -> ProfileID, ProfileID, 16);
}


BOOL LCMSEXPORT cmsTakeCreationDateTime(struct tm *Dest, cmsHPROFILE hProfile)
{
    LPLCMSICCPROFILE  Icc = (LPLCMSICCPROFILE) (LPSTR) hProfile;    
    CopyMemory(Dest, &Icc ->Created, sizeof(struct tm));    
    return TRUE;
}


icColorSpaceSignature LCMSEXPORT cmsGetPCS(cmsHPROFILE hProfile)
{
       LPLCMSICCPROFILE  Icc = (LPLCMSICCPROFILE) hProfile;
       return Icc -> PCS;
}


void LCMSEXPORT cmsSetPCS(cmsHPROFILE hProfile, icColorSpaceSignature pcs)
{
       LPLCMSICCPROFILE  Icc = (LPLCMSICCPROFILE) hProfile;
       Icc -> PCS = pcs;
}



icColorSpaceSignature LCMSEXPORT cmsGetColorSpace(cmsHPROFILE hProfile)
{
       LPLCMSICCPROFILE  Icc = (LPLCMSICCPROFILE) hProfile;
       return Icc -> ColorSpace;
}



void LCMSEXPORT cmsSetColorSpace(cmsHPROFILE hProfile, icColorSpaceSignature sig)
{
       LPLCMSICCPROFILE  Icc = (LPLCMSICCPROFILE) hProfile;
       Icc -> ColorSpace = sig;
}


icProfileClassSignature LCMSEXPORT cmsGetDeviceClass(cmsHPROFILE hProfile)
{
       LPLCMSICCPROFILE  Icc = (LPLCMSICCPROFILE) hProfile;
       return Icc -> DeviceClass;
}

DWORD LCMSEXPORT cmsGetProfileICCversion(cmsHPROFILE hProfile)
{
       LPLCMSICCPROFILE  Icc = (LPLCMSICCPROFILE) hProfile;
       return (DWORD) Icc -> Version;
}


void LCMSEXPORT cmsSetProfileICCversion(cmsHPROFILE hProfile, DWORD Version)
{
   LPLCMSICCPROFILE  Icc = (LPLCMSICCPROFILE) hProfile;
   Icc -> Version = Version;
}


void LCMSEXPORT cmsSetDeviceClass(cmsHPROFILE hProfile, icProfileClassSignature sig)
{
       LPLCMSICCPROFILE  Icc = (LPLCMSICCPROFILE) hProfile;
       Icc -> DeviceClass = sig;
}


// --------------------------------------------------------------------------------------------------------------


static
int SizeOfGammaTab(LPGAMMATABLE In)
{
       return sizeof(GAMMATABLE) + (In -> nEntries - 1)*sizeof(WORD);
}


// Creates a phantom tag holding a memory block

static
LPVOID DupBlock(LPLCMSICCPROFILE Icc, LPVOID Block, size_t size)
{
    if (Block != NULL && size > 0) 
        return _cmsInitTag(Icc, (icTagSignature) 0, size, Block);
    else
        return NULL;

}

// This is tricky, since LUT structs does have pointers

BOOL LCMSEXPORT _cmsAddLUTTag(cmsHPROFILE hProfile, icTagSignature sig, LPVOID lut)
{
       LPLCMSICCPROFILE Icc = (LPLCMSICCPROFILE) (LPSTR) hProfile;
       LPLUT Orig, Stored;
       unsigned int i;
       
       // The struct itself

       Orig   = (LPLUT) lut;
       Stored = (LPLUT) _cmsInitTag(Icc, (icTagSignature) sig, sizeof(LUT), lut);

       // dup' the memory blocks
       for (i=0; i < Orig ->InputChan; i++) 
            Stored -> L1[i] = (LPWORD) DupBlock(Icc, (LPWORD) Orig ->L1[i], 
                                            sizeof(WORD) * Orig ->In16params.nSamples);

       for (i=0; i < Orig ->OutputChan; i++)
            Stored -> L2[i] = (LPWORD) DupBlock(Icc, (LPWORD) Orig ->L2[i], 
                                            sizeof(WORD) * Orig ->Out16params.nSamples);  
       
       Stored -> T     = (LPWORD) DupBlock(Icc, (LPWORD) Orig ->T, Orig -> Tsize);

       // Zero any additional pointer
       Stored ->CLut16params.p8 = NULL;
       return TRUE;
}


BOOL LCMSEXPORT _cmsAddXYZTag(cmsHPROFILE hProfile, icTagSignature sig, const cmsCIEXYZ* XYZ)
{
       LPLCMSICCPROFILE Icc = (LPLCMSICCPROFILE) (LPSTR) hProfile;
       
       _cmsInitTag(Icc, sig, sizeof(cmsCIEXYZ), XYZ);
       return TRUE;
}


BOOL LCMSEXPORT _cmsAddTextTag(cmsHPROFILE hProfile, icTagSignature sig, const char* Text)
{
       LPLCMSICCPROFILE Icc = (LPLCMSICCPROFILE) (LPSTR) hProfile;

       _cmsInitTag(Icc, sig, strlen(Text)+1, (LPVOID) Text);
       return TRUE;
}

BOOL LCMSEXPORT _cmsAddGammaTag(cmsHPROFILE hProfile, icTagSignature sig, LPGAMMATABLE TransferFunction)
{
    LPLCMSICCPROFILE Icc = (LPLCMSICCPROFILE) (LPSTR) hProfile;

    _cmsInitTag(Icc, sig, SizeOfGammaTab(TransferFunction), TransferFunction);
    return TRUE;
}


BOOL LCMSEXPORT _cmsAddChromaticityTag(cmsHPROFILE hProfile, icTagSignature sig, LPcmsCIExyYTRIPLE Chrm)
{
    LPLCMSICCPROFILE Icc = (LPLCMSICCPROFILE) (LPSTR) hProfile;

    _cmsInitTag(Icc, sig, sizeof(cmsCIExyYTRIPLE), Chrm);
    return TRUE;
}


BOOL LCMSEXPORT _cmsAddSequenceDescriptionTag(cmsHPROFILE hProfile, icTagSignature sig, LPcmsSEQ pseq)
{
    LPLCMSICCPROFILE Icc = (LPLCMSICCPROFILE) (LPSTR) hProfile;
    
    _cmsInitTag(Icc, sig, sizeof(int) + pseq -> n * sizeof(cmsPSEQDESC), pseq);
    return TRUE;

}


BOOL LCMSEXPORT _cmsAddNamedColorTag(cmsHPROFILE hProfile, icTagSignature sig, LPcmsNAMEDCOLORLIST nc)
{
    LPLCMSICCPROFILE Icc = (LPLCMSICCPROFILE) (LPSTR) hProfile;
   
    _cmsInitTag(Icc, sig, sizeof(cmsNAMEDCOLORLIST) + (nc ->nColors - 1) * sizeof(cmsNAMEDCOLOR), nc);
    return FALSE;
}


BOOL LCMSEXPORT _cmsAddDateTimeTag(cmsHPROFILE hProfile, icTagSignature sig, struct tm *DateTime)
{
    LPLCMSICCPROFILE Icc = (LPLCMSICCPROFILE) (LPSTR) hProfile;
    
    _cmsInitTag(Icc, sig, sizeof(struct tm), DateTime);
    return FALSE;
}


BOOL LCMSEXPORT _cmsAddColorantTableTag(cmsHPROFILE hProfile, icTagSignature sig, LPcmsNAMEDCOLORLIST nc)
{
    LPLCMSICCPROFILE Icc = (LPLCMSICCPROFILE) (LPSTR) hProfile;
   
    _cmsInitTag(Icc, sig, sizeof(cmsNAMEDCOLORLIST) + (nc ->nColors - 1) * sizeof(cmsNAMEDCOLOR), nc);
    return FALSE;
}