/*
PsychDepthIsMember()
Accepts two depth structs and returns true if the one depth held by the first struct is among the one or more
depths within the second struct.
*/
boolean PsychIsMemberDepthStruct(PsychDepthType *depth, PsychDepthType *depthSet)
{
int numDepths, i;
numDepths=PsychGetNumDepthsFromStruct(depth);
if(numDepths>1)
PsychErrorExitMsg(PsychError_internal, "depth structure contains multiple depths");
else if(numDepths==0)
return(FALSE);
for(i=0;i<PsychGetNumDepthsFromStruct(depthSet);i++){
if(PsychGetValueFromDepthStruct(i,depthSet) == PsychGetValueFromDepthStruct(0,depth))
return(TRUE);
}
return(FALSE);
}
/*
PsychDepthCopy()
Accepts two depth structs which must both have been initialized and copies the contents of the second
depth to the first. Copy is cumulative.
*/
void PsychCopyDepthStruct(PsychDepthType *toDepth, PsychDepthType *fromDepth)
{
int i;
for(i=0;i<PsychGetNumDepthsFromStruct(fromDepth); i++)
PsychAddValueToDepthStruct(PsychGetValueFromDepthStruct(i,fromDepth), toDepth);
}
int PsychGetScreenDepthValue(int screenNumber)
{
PsychDepthType depthStruct;
PsychInitDepthStruct(&depthStruct);
PsychGetScreenDepth(screenNumber, &depthStruct);
return(PsychGetValueFromDepthStruct(0,&depthStruct));
}
psych_bool PsychCopyOutDepthArg(int position, psych_bool required, PsychDepthType *depths)
{
double *depthsArray;
int i;
if(!PsychAllocOutDoubleMatArg(position, required, 1, PsychGetNumDepthsFromStruct(depths), 0, &depthsArray))
return(FALSE); //optional argument was omitted
for(i=0;i<PsychGetNumDepthsFromStruct(depths);i++)
depthsArray[i]=(double)PsychGetValueFromDepthStruct(i,depths);
return(TRUE);
}
/*
PsychGetColorModeFromDepthStruct()
Get ride of this color mode stuff and replace it with functions wich access the number of depth planes and the size of every plane.
*/
PsychColorModeType PsychGetColorModeFromDepthStruct(PsychDepthType *depth)
{
switch(PsychGetValueFromDepthStruct(0, depth)){
case 8:
return(kPsychIndexColor);
case 16:
return(kPsychRGBColor);
case 24:
return(kPsychRGBColor);
case 32:
return(kPsychRGBAColor);
default:
return(kPsychUnknownColor);
}
}
int PsychGetWhiteValueFromDepthStruct(PsychDepthType *depth)
{
switch(PsychGetValueFromDepthStruct(0, depth)){
case 8:
return(255);
case 16:
return(31);
case 24:
return(255);
case 32:
return(255);
default:
PsychErrorExitMsg(PsychError_internal, "Unrecognized screen depth value");
return(0); //makes the compiler happy
}
}
