public static unsafe SafeProfileHandle CreateProfileFromLogicalColorSpace(BITMAPV5HEADER info)
{
// https://docs.microsoft.com/en-us/windows/win32/api/wingdi/ns-wingdi-logcolorspacew
var lcs = new LOGCOLORSPACE
{
lcsCSType = ColorSpaceType.LCS_CALIBRATED_RGB,
lcsVersion = 0x400,
lcsSignature = 0x50534F43, // 'PSOC'
lcsFilename = "\0",
lcsIntent = info.bV5Intent,
lcsEndpoints_1x = info.bV5Endpoints_1x,
lcsEndpoints_1y = info.bV5Endpoints_1y,
lcsEndpoints_1z = info.bV5Endpoints_1z,
lcsEndpoints_2x = info.bV5Endpoints_2x,
lcsEndpoints_2y = info.bV5Endpoints_2y,
lcsEndpoints_2z = info.bV5Endpoints_2z,
lcsEndpoints_3x = info.bV5Endpoints_3x,
lcsEndpoints_3y = info.bV5Endpoints_3y,
lcsEndpoints_3z = info.bV5Endpoints_3z,
lcsGammaBlue = info.bV5GammaBlue,
lcsGammaGreen = info.bV5GammaGreen,
lcsGammaRed = info.bV5GammaRed,
};
var success = CreateProfileFromLogColorSpace(ref lcs, out var hGlobal);
if (!success)
{
throw new Win32Exception();
}
var hsize = GlobalSize(hGlobal);
var hptr = GlobalLock(hGlobal);
try
{
return(OpenProfile((void *)hptr, (uint)hsize));
}
finally
{
GlobalUnlock(hGlobal);
GlobalFree(hGlobal);
}
}
private static extern bool CreateProfileFromLogColorSpace(ref LOGCOLORSPACE pLogColorSpace, out IntPtr pProfile);
