double oyGetTemperature ( double default_ )
{
double cie_a = 0.0, cie_b = 0.0, XYZ[3], Lab[3];
oyGetDisplayWhitePoint( 1 /* automatic */, XYZ );
oyXYZ2Lab(XYZ,Lab); cie_a = Lab[1]/256.0+0.5; cie_b = Lab[2]/256.0+0.5;
double dist = 1.0;
double temperature = oyEstimateTemperature( cie_a, cie_b, &dist );
if( (temperature && dist < 0.0001) ||
default_ < 0 )
return temperature;
else
return default_;
}
/** Function: oyNamedColor_GetColorStd
* @memberof oyNamedColor_s
* @brief convert a named color to a standard color space
*
* @since Oyranos: version 0.1.8
* @date 23 december 2007 (API 0.1.8)
*/
int oyNamedColor_GetColorStd ( oyNamedColor_s * color,
oyPROFILE_e color_space,
oyPointer buf,
oyDATATYPE_e buf_type,
uint32_t flags,
oyOptions_s * options )
{
int ret = 0;
oyProfile_s * profile;
oyNamedColor_s_ * s = (oyNamedColor_s_*) color;
if(!color)
return 1;
/* abreviate */
if(buf_type == oyDOUBLE &&
s->XYZ_[0] != -1 && s->XYZ_[1] != -1 && s->XYZ_[2] != -1)
{
if(color_space == oyEDITING_LAB)
{
oyXYZ2Lab( s->XYZ_, (double*)buf );
return 0;
}
if(color_space == oyEDITING_XYZ)
{
oyCopyColor( s->XYZ_, (double*)buf, 1, 0, 0 );
return 0;
}
}
profile = oyProfile_FromStd ( color_space, flags, NULL );
if(!profile)
return 1;
ret = oyNamedColor_GetColor ( color, profile, buf, buf_type, 0, options );
oyProfile_Release ( &profile );
return ret;
}
