PsychError SCREENPreference(void)
{
PsychArgFormatType arg1Type;
char *preferenceName, *newFontName;
const char *tableCreator, *oldDefaultFontName;
psych_bool preferenceNameArgumentValid, booleanInput, ignoreCase, tempFlag, textAlphaBlendingFlag, suppressAllWarningsFlag;
int numInputArgs, i, newFontStyleNumber, newFontSize, tempInt, tempInt2, tempInt3, tempInt4;
double returnDoubleValue, inputDoubleValue;
double maxStddev, maxDeviation, maxDuration;
int minSamples;
double *dheads = NULL;
//all sub functions should have these two lines
PsychPushHelp(useString, synopsisString,seeAlsoString);
if(PsychIsGiveHelp()){PsychGiveHelp();return(PsychError_none);};
//check for superfluous or missing arguments
PsychErrorExit(PsychCapNumInputArgs(5));
PsychErrorExit(PsychRequireNumInputArgs(1));
PsychErrorExit(PsychCapNumOutputArgs(4));
numInputArgs=PsychGetNumInputArgs();
arg1Type=PsychGetArgType(1);
preferenceNameArgumentValid=FALSE;
//Cases which require both a window pointer or screen number and preference name. Argument 1 is the wposn and argument 2 is the preference name.
if( numInputArgs >= 2 && (PsychIsScreenNumberArg(1) || PsychIsScreenNumberArg(1)) && PsychGetArgType(2)==PsychArgType_char ){
PsychAllocInCharArg(2, kPsychArgRequired, &preferenceName);
//preferences which require window pointer or screen number argument which we DO NOT support
for(i=0;i<kPsychNumUnsupportedMacVideoPreferences;i++){
if(PsychMatch(preferenceName, unsupportedMacVideoPreferenceNames[i]))
PsychErrorExit(PsychError_unsupportedOS9Preference);
}
//insert here conditionals to act on prefernces which accept a window pointer or screen number argument which we DO support.
PsychErrorExit(PsychError_unrecognizedPreferenceName);
}
//Cases which do not require a wposn. Argument 1 is the preference name. if present Argument 2 is the new value
if(arg1Type==PsychArgType_char){
PsychAllocInCharArg(1, kPsychArgRequired, &preferenceName);
//Preferernces which we do not support and which do not require a wposn
for(i=0;i<kPsychNumUnsupportedMacNonVideoPreferences;i++){
if(PsychMatch(preferenceName, unsupportedMacNonVideoPreferenceNames[i]))
PsychErrorExit(PsychError_unsupportedOS9Preference);
}
//Preferences which we do support
if(PsychMatch(preferenceName, "IgnoreCase")){
ignoreCase=!PsychIsPsychMatchCaseSensitive();
PsychCopyOutFlagArg(1, kPsychArgOptional, ignoreCase);
if(numInputArgs==2){
PsychCopyInFlagArg(2, kPsychArgRequired, &booleanInput);
PsychSetPsychMatchCaseSenstive(!booleanInput);
}
preferenceNameArgumentValid=TRUE;
}else
if(PsychMatch(preferenceName, "Tick0Secs")){
if(PsychCopyInDoubleArg(2, kPsychArgOptional, &inputDoubleValue) && inputDoubleValue==PsychGetNanValue())
PsychEstimateGetSecsValueAtTickCountZero();
returnDoubleValue=PsychGetEstimatedSecsValueAtTickCountZero();
PsychCopyOutDoubleArg(1, kPsychArgOptional, returnDoubleValue);
preferenceNameArgumentValid=TRUE;
}else
if(PsychMatch(preferenceName, "PsychTableVersion")){
if(numInputArgs==2)
PsychErrorExit(PsychError_extraInputArg);
PsychCopyOutDoubleArg(1, kPsychArgOptional, (double)PsychPrefStateGet_PsychTableVersion());
preferenceNameArgumentValid=TRUE;
}else
if(PsychMatch(preferenceName, "PsychTableCreator")){
if(numInputArgs==2)
PsychErrorExit(PsychError_extraInputArg);
tableCreator=PsychPrefStateGet_PsychTableCreator();
PsychCopyOutCharArg(1, kPsychArgOptional, tableCreator);
preferenceNameArgumentValid=TRUE;
}else
if(PsychMatch(preferenceName, "Process")){
if(numInputArgs==2)
PsychErrorExit(PsychError_extraInputArg);
PsychCopyOutDoubleArg(1, kPsychArgOptional, (double) (psych_int64) getpid());
preferenceNameArgumentValid=TRUE;
}else
if(PsychMatch(preferenceName, "DefaultFontName")){
PsychPrefStateGet_DefaultFontName(&oldDefaultFontName);
PsychCopyOutCharArg(1, kPsychArgOptional, oldDefaultFontName);
if(numInputArgs==2){
PsychAllocInCharArg(2, kPsychArgRequired, &newFontName);
PsychPrefStateSet_DefaultFontName(newFontName);
}
preferenceNameArgumentValid=TRUE;
}else
if(PsychMatch(preferenceName, "TextEncodingLocale")){
PsychCopyOutCharArg(1, kPsychArgOptional, PsychGetUnicodeTextConversionLocale());
if(numInputArgs==2){
PsychAllocInCharArg(2, kPsychArgRequired, &newFontName);
if (!PsychSetUnicodeTextConversionLocale(newFontName)) PsychErrorExitMsg(PsychError_user, "Setting the 'TextEncodingLocale' failed, most likely because you provided an invalid/unknown locale setting string.");
}
preferenceNameArgumentValid=TRUE;
}else
if(PsychMatch(preferenceName, "DefaultFontStyle")){
PsychCopyOutDoubleArg(1, kPsychArgOptional, PsychPrefStateGet_DefaultTextStyle());
if(numInputArgs==2){
PsychCopyInIntegerArg(2, kPsychArgRequired, &newFontStyleNumber);
PsychPrefStateSet_DefaultTextStyle(newFontStyleNumber);
}
preferenceNameArgumentValid=TRUE;
}else
if(PsychMatch(preferenceName, "OverrideMultimediaEngine")){
PsychCopyOutDoubleArg(1, kPsychArgOptional, PsychPrefStateGet_UseGStreamer());
if(numInputArgs==2){
PsychCopyInIntegerArg(2, kPsychArgRequired, &tempInt);
PsychPrefStateSet_UseGStreamer(tempInt);
}
preferenceNameArgumentValid=TRUE;
}else
if(PsychMatch(preferenceName, "DefaultTextYPositionIsBaseline")){
PsychCopyOutDoubleArg(1, kPsychArgOptional, PsychPrefStateGet_TextYPositionIsBaseline());
if(numInputArgs==2){
PsychCopyInIntegerArg(2, kPsychArgRequired, &tempInt);
PsychPrefStateSet_TextYPositionIsBaseline(tempInt);
}
preferenceNameArgumentValid=TRUE;
}else
if(PsychMatch(preferenceName, "TextAntiAliasing")){
PsychCopyOutDoubleArg(1, kPsychArgOptional, PsychPrefStateGet_TextAntiAliasing());
if(numInputArgs==2){
PsychCopyInIntegerArg(2, kPsychArgRequired, &tempInt);
PsychPrefStateSet_TextAntiAliasing(tempInt);
}
preferenceNameArgumentValid=TRUE;
}else
if(PsychMatch(preferenceName, "TextRenderer")){
PsychCopyOutDoubleArg(1, kPsychArgOptional, PsychPrefStateGet_TextRenderer());
if(numInputArgs==2){
PsychCopyInIntegerArg(2, kPsychArgRequired, &tempInt);
PsychPrefStateSet_TextRenderer(tempInt);
}
preferenceNameArgumentValid=TRUE;
}else
if(PsychMatch(preferenceName, "DefaultFontSize")){
PsychCopyOutDoubleArg(1, kPsychArgOptional, PsychPrefStateGet_DefaultTextSize());
if(numInputArgs==2){
PsychCopyInIntegerArg(2, kPsychArgRequired, &newFontSize);
PsychPrefStateSet_DefaultTextSize(newFontSize);
}
preferenceNameArgumentValid=TRUE;
}else
if(PsychMatch(preferenceName, "DebugMakeTexture")){
PsychCopyOutDoubleArg(1, kPsychArgOptional, PsychPrefStateGet_DebugMakeTexture());
if(numInputArgs==2){
PsychCopyInFlagArg(2, kPsychArgRequired, &tempFlag);
PsychPrefStateSet_DebugMakeTexture(tempFlag);
}
preferenceNameArgumentValid=TRUE;
}else
if(PsychMatch(preferenceName, "SkipSyncTests")){
PsychCopyOutDoubleArg(1, kPsychArgOptional, PsychPrefStateGet_SkipSyncTests());
if(numInputArgs==2){
PsychCopyInIntegerArg(2, kPsychArgRequired, &tempInt);
PsychPrefStateSet_SkipSyncTests(tempInt);
}
preferenceNameArgumentValid=TRUE;
}else
if(PsychMatch(preferenceName, "VisualDebugLevel")){
PsychCopyOutDoubleArg(1, kPsychArgOptional, PsychPrefStateGet_VisualDebugLevel());
if(numInputArgs==2){
PsychCopyInIntegerArg(2, kPsychArgRequired, &tempInt);
PsychPrefStateSet_VisualDebugLevel(tempInt);
}
preferenceNameArgumentValid=TRUE;
}else
if(PsychMatch(preferenceName, "VBLTimestampingMode")){
PsychCopyOutDoubleArg(1, kPsychArgOptional, PsychPrefStateGet_VBLTimestampingMode());
if(numInputArgs>=2){
PsychCopyInIntegerArg(2, kPsychArgRequired, &tempInt);
PsychPrefStateSet_VBLTimestampingMode(tempInt);
}
preferenceNameArgumentValid=TRUE;
}else
if(PsychMatch(preferenceName, "SyncTestSettings")){
PsychPrefStateGet_SynctestThresholds(&maxStddev, &minSamples, &maxDeviation, &maxDuration);
PsychCopyOutDoubleArg(1, kPsychArgOptional, maxStddev);
PsychCopyOutDoubleArg(2, kPsychArgOptional, minSamples);
PsychCopyOutDoubleArg(3, kPsychArgOptional, maxDeviation);
PsychCopyOutDoubleArg(4, kPsychArgOptional, maxDuration);
if(numInputArgs>=2){
PsychCopyInDoubleArg( 2, kPsychArgOptional, &maxStddev);
PsychCopyInIntegerArg(3, kPsychArgOptional, &minSamples);
PsychCopyInDoubleArg( 4, kPsychArgOptional, &maxDeviation);
PsychCopyInDoubleArg( 5, kPsychArgOptional, &maxDuration);
PsychPrefStateSet_SynctestThresholds(maxStddev, minSamples, maxDeviation, maxDuration);
}
preferenceNameArgumentValid=TRUE;
}else
if(PsychMatch(preferenceName, "VBLEndlineOverride")){
PsychCopyOutDoubleArg(1, kPsychArgOptional, PsychPrefStateGet_VBLEndlineOverride());
if(numInputArgs>=2){
PsychCopyInIntegerArg(2, kPsychArgRequired, &tempInt);
PsychPrefStateSet_VBLEndlineOverride(tempInt);
}
preferenceNameArgumentValid=TRUE;
}else
if(PsychMatch(preferenceName, "DefaultVideocaptureEngine")){
PsychCopyOutDoubleArg(1, kPsychArgOptional, PsychPrefStateGet_VideoCaptureEngine());
if(numInputArgs==2){
PsychCopyInIntegerArg(2, kPsychArgRequired, &tempInt);
PsychPrefStateSet_VideoCaptureEngine(tempInt);
}
preferenceNameArgumentValid=TRUE;
}else
if(PsychMatch(preferenceName, "WindowShieldingLevel")){
PsychCopyOutDoubleArg(1, kPsychArgOptional, PsychPrefStateGet_WindowShieldingLevel());
if(numInputArgs==2){
PsychCopyInIntegerArg(2, kPsychArgRequired, &tempInt);
PsychPrefStateSet_WindowShieldingLevel(tempInt);
}
preferenceNameArgumentValid=TRUE;
}else
if(PsychMatch(preferenceName, "ConserveVRAM") || PsychMatch(preferenceName, "Workarounds1")){
PsychCopyOutDoubleArg(1, kPsychArgOptional, PsychPrefStateGet_ConserveVRAM());
if(numInputArgs==2){
PsychCopyInIntegerArg(2, kPsychArgRequired, &tempInt);
PsychPrefStateSet_ConserveVRAM(tempInt);
}
preferenceNameArgumentValid=TRUE;
}else
if(PsychMatch(preferenceName, "Verbosity")){
PsychCopyOutDoubleArg(1, kPsychArgOptional, PsychPrefStateGet_Verbosity());
if(numInputArgs==2){
PsychCopyInIntegerArg(2, kPsychArgRequired, &tempInt);
PsychPrefStateSet_Verbosity(tempInt);
}
preferenceNameArgumentValid=TRUE;
}else
if(PsychMatch(preferenceName, "FrameRectCorrection")){
PsychCopyOutDoubleArg(1, kPsychArgOptional, PsychPrefStateGet_FrameRectCorrection());
if(numInputArgs==2){
PsychCopyInDoubleArg(2, kPsychArgRequired, &inputDoubleValue);
PsychPrefStateSet_FrameRectCorrection(inputDoubleValue);
}
preferenceNameArgumentValid=TRUE;
}else
if(PsychMatch(preferenceName, "EmulateOldPTB")){
PsychCopyOutDoubleArg(1, kPsychArgOptional, PsychPrefStateGet_EmulateOldPTB());
if(numInputArgs==2){
PsychCopyInFlagArg(2, kPsychArgRequired, &tempFlag);
PsychPrefStateSet_EmulateOldPTB(tempFlag);
}
preferenceNameArgumentValid=TRUE;
}else
if(PsychMatch(preferenceName, "Enable3DGraphics")){
PsychCopyOutDoubleArg(1, kPsychArgOptional, PsychPrefStateGet_3DGfx());
if(numInputArgs==2){
PsychCopyInIntegerArg(2, kPsychArgRequired, &tempInt);
PsychPrefStateSet_3DGfx(tempInt);
}
preferenceNameArgumentValid=TRUE;
}else
if(PsychMatch(preferenceName, "TextAlphaBlending")){
textAlphaBlendingFlag=PsychPrefStateGet_TextAlphaBlending();
PsychCopyOutFlagArg(1, kPsychArgOptional, textAlphaBlendingFlag);
if(numInputArgs==2){
PsychCopyInFlagArg(2, kPsychArgRequired, &booleanInput);
PsychPrefStateSet_TextAlphaBlending(booleanInput);
}
preferenceNameArgumentValid=TRUE;
}else
if(PsychMatch(preferenceName, "SuppressAllWarnings")){
suppressAllWarningsFlag=PsychPrefStateGet_SuppressAllWarnings();
PsychCopyOutFlagArg(1, kPsychArgOptional, suppressAllWarningsFlag);
if(numInputArgs==2){
PsychCopyInFlagArg(2, kPsychArgRequired, &booleanInput);
PsychPrefStateSet_SuppressAllWarnings(booleanInput);
}
preferenceNameArgumentValid=TRUE;
}else
if(PsychMatch(preferenceName, "SynchronizeDisplays")){
if(numInputArgs >= 2) {
// This is a special call: It currently doesn't set a preference setting,
// but instead triggers an instantaneous synchronization of all available
// display heads, if possible. We may have a more clever and "standard" interface
// interface for this later on, but for first tests this will do.
// Syncmethod is hard-coded to 0 -> Use whatever's available to sync.
// timeout for retries is 5.0 seconds.
// Acceptable residual offset is +/- 2 scanlines.
// Returns the real residual offset after sync.
PsychCopyInIntegerArg(2, kPsychArgRequired, &tempInt);
if (!PsychCopyInIntegerArg(3, kPsychArgOptional, &tempInt3)) {
// No screenId specified: Resync default screen or whatever...
tempInt2 = 0;
if (PsychSynchronizeDisplayScreens(&tempInt2, NULL, &tempInt, tempInt, 5.0, 2)!=PsychError_none) PsychErrorExitMsg(PsychError_user, "Sync failed for reasons mentioned above.");
} else {
// Specific screenId provided: Resync crtc's associated with this screenId if possible:
tempInt2 = 1;
if (PsychSynchronizeDisplayScreens(&tempInt2, &tempInt3, &tempInt, tempInt, 5.0, 2)!=PsychError_none) PsychErrorExitMsg(PsychError_user, "Sync failed for reasons mentioned above.");
}
PsychCopyOutDoubleArg(1, kPsychArgOptional, tempInt);
}
preferenceNameArgumentValid=TRUE;
}else
if(PsychMatch(preferenceName, "ScreenToHead")){
// screenId is required:
PsychCopyInIntegerArg(2, kPsychArgRequired, &tempInt);
if (tempInt < 0 || tempInt >= PsychGetNumDisplays() || tempInt >= kPsychMaxPossibleDisplays) PsychErrorExitMsg(PsychError_user, "Invalid screenId provided. Out of valid range!");
// Return old mappings for this screenId:
for (tempInt2 = 0; (tempInt2 < kPsychMaxPossibleCrtcs) && (PsychPrefStateGet_ScreenToHead(tempInt, tempInt2) >= 0); tempInt2++);
PsychAllocOutDoubleMatArg(1, kPsychArgOptional, 2, tempInt2, 1, &dheads);
tempInt4 = 0;
for (tempInt3 = 0; tempInt3 < tempInt2; tempInt3++) {
dheads[tempInt4++] = (double) PsychPrefStateGet_ScreenToHead(tempInt, tempInt3);
dheads[tempInt4++] = (double) PsychPrefStateGet_ScreenToCrtcId(tempInt, tempInt3);
}
// Optionally retrieve and set new mappings for this screenId:
if(numInputArgs>=3) {
// Set new headId for screenId:
PsychCopyInIntegerArg(3, kPsychArgRequired, &tempInt2);
if (tempInt2 < 0) PsychErrorExitMsg(PsychError_user, "Invalid negative headId provided!");
// Set new crtcId for screenId:
PsychCopyInIntegerArg(4, kPsychArgRequired, &tempInt3);
if (tempInt3 < 0) PsychErrorExitMsg(PsychError_user, "Invalid negative crtcId provided!");
// Assign primary head by default (index 0), but allow optionally others as well:
tempInt4 = 0;
PsychCopyInIntegerArg(5, kPsychArgOptional, &tempInt4);
if (tempInt4 < 0 || tempInt4 >= kPsychMaxPossibleCrtcs) PsychErrorExitMsg(PsychError_user, "Invalid rankId provided! Too many heads for one screen!");
PsychPrefStateSet_ScreenToHead(tempInt, tempInt2, tempInt3, tempInt4);
}
preferenceNameArgumentValid=TRUE;
}else
PsychErrorExit(PsychError_unrecognizedPreferenceName);
}
if(!preferenceNameArgumentValid)
PsychErrorExitMsg(PsychError_user, "Invalid arguments to preferences command");
return(PsychError_none);
}
PsychError SCREENFrameRect(void)
{
PsychColorType color;
PsychRectType rect;
PsychWindowRecordType *windowRecord;
int whiteValue;
psych_bool isArgThere;
double penSize, lf, fudge;
GLdouble dVals[4];
double *xy, *colors, *penSizes;
unsigned char *bytecolors;
int numRects, i, j, nc, mc, nrsize;
//all sub functions should have these two lines
PsychPushHelp(useString, synopsisString,seeAlsoString);
if(PsychIsGiveHelp()){PsychGiveHelp();return(PsychError_none);};
//check for superfluous arguments
PsychErrorExit(PsychCapNumInputArgs(4)); //The maximum number of inputs
PsychErrorExit(PsychCapNumOutputArgs(0)); //The maximum number of outputs
// Get tweakable correction factor for framerect:
lf = PsychPrefStateGet_FrameRectCorrection();
//get the window record from the window record argument and get info from the window record
PsychAllocInWindowRecordArg(1, kPsychArgRequired, &windowRecord);
// Query, allocate and copy in all vectors...
numRects = 4;
nrsize = 0;
colors = NULL;
bytecolors = NULL;
penSizes = NULL;
// The negative position -3 means: xy coords are expected at position 3, but they are optional.
// NULL means - don't want a size's vector.
PsychPrepareRenderBatch(windowRecord, -3, &numRects, &xy, 2, &nc, &mc, &colors, &bytecolors, 4, &nrsize, &penSizes);
// Default rect is fullscreen:
PsychCopyRect(rect, windowRecord->rect);
// Only up to one rect provided?
if (numRects <= 1) {
// Get the rect and draw it
isArgThere=PsychCopyInRectArg(kPsychUseDefaultArgPosition, FALSE, rect);
if (isArgThere && IsPsychRectEmpty(rect)) return(PsychError_none);
numRects = 1;
}
// Pen size starts as "undefined", just to make sure it gets initially set:
penSize = -DBL_MAX;
// Framed rect drawing loop:
for (i=0; i<numRects; i++) {
// Multiple rects to draw or single iteration to draw provided rect?
if (numRects > 1) {
// Multi-Rect drawing: Assign next rect from array and setup corresponding
// color and penSize...
// Assign rect:
rect[kPsychLeft] = xy[i*4 + 0];
rect[kPsychTop] = xy[i*4 + 1];
rect[kPsychRight] = xy[i*4 + 2];
rect[kPsychBottom] = xy[i*4 + 3];
// Per rect color provided?
if (nc>1) {
// Yes. Set color for this specific rect:
PsychSetArrayColor(windowRecord, i, mc, colors, bytecolors);
}
}
else {
// Only one single rect to draw in this single loop iteration.
// The rect is already set up in 'rect', and the drawing color has
// been set as well by PsychPrepareRenderBatch(). penSize has been
// set by that routine as well in penSizes[0], so we don't have
// anything to do here...
// NO OP.
}
j = (nrsize > 1) ? i : 0;
if (penSizes[j] != penSize) {
penSize = penSizes[j];
if (lf != -1) glLineWidth((GLfloat) penSize);
}
if (IsPsychRectEmpty(rect)) continue;
if (lf == -1) {
// New style rendering: More robust against variations in GPU implementations:
fudge = penSize;
glRectd(rect[kPsychLeft], rect[kPsychTop], rect[kPsychRight], rect[kPsychTop] + fudge);
glRectd(rect[kPsychLeft], rect[kPsychBottom], rect[kPsychRight], rect[kPsychBottom] - fudge);
glRectd(rect[kPsychLeft], rect[kPsychTop]+fudge, rect[kPsychLeft]+fudge, rect[kPsychBottom]-fudge);
glRectd(rect[kPsychRight]-fudge, rect[kPsychTop]+fudge, rect[kPsychRight], rect[kPsychBottom]-fudge);
}
else {
// Old style: Has a couple of problems in corner cases. Left for now as reference...
if (penSize > 1) {
// Width > 1
fudge = (penSize > 1) ? lf * penSize/2 : 0.0;
glBegin(GL_LINES);
// Draw 4 separate segments, extend the left and right
// vertical segments by half a penWidth.
glVertex2d(rect[kPsychLeft], rect[kPsychTop] - fudge);
glVertex2d(rect[kPsychLeft], rect[kPsychBottom] + fudge);
glVertex2d(rect[kPsychRight], rect[kPsychTop]);
glVertex2d(rect[kPsychLeft], rect[kPsychTop]);
glVertex2d(rect[kPsychRight], rect[kPsychBottom] + fudge);
glVertex2d(rect[kPsychRight], rect[kPsychTop] - fudge);
glVertex2d(rect[kPsychRight], rect[kPsychBottom]);
glVertex2d(rect[kPsychLeft], rect[kPsychBottom]);
glEnd();
}
else {
// Width <= 1: Simple case...
glBegin(GL_LINE_LOOP);
glVertex2d(rect[kPsychLeft], rect[kPsychBottom]);
glVertex2d(rect[kPsychLeft], rect[kPsychTop]);
glVertex2d(rect[kPsychRight], rect[kPsychTop]);
glVertex2d(rect[kPsychRight], rect[kPsychBottom]);
glEnd();
}
}
// Next rect...
}
// Need to reset line width?
if (penSize!=1 && lf!=-1) glLineWidth(1);
// Mark end of drawing op. This is needed for single buffered drawing:
PsychFlushGL(windowRecord);
return(PsychError_none);
}
