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/*
SCREENTextMode.c
AUTHORS:
Allen.Ingling@nyu.edu awi
mario.kleiner@tuebingen.mpg.de mk
PLATFORMS:
All. But only has any effect on OSX with CoreText text renderer!
HISTORY:
11/18/03 awi Wrote it.
10/12/04 awi In useString: changed "SCREEN" to "Screen", and moved commas to inside [].
DESCRIPTION:
Sets the text mode for the specified window record.
NOTES:
*/
#include "Screen.h"
// If you change useString then also change the corresponding synopsis string in ScreenSynopsis.c
static char useString[] ="oldCopyMode=Screen('TextMode', windowPtr [,textMode]);";
// 0 1 2
static char synopsisString[] = "Set or get the text mode for the specified window. This function currently hasn't "
"any effect whatsoever on systems other than OSX with its default textrenderer 1. "
"If you use it, your code will become non-portable and possibly not future proof if "
"we would decide to remove the Apple CoreText renderer from OSX. On unsupported systems "
"any setting made here will be silently ignored.";
static char seeAlsoString[] = "TextModes";
PsychError SCREENTextMode(void)
{
PsychTextDrawingModeType newCopyMode;
char oldCopyModeName[256];
char *newCopyModeName;
psych_bool doSetMode;
PsychWindowRecordType *windowRecord;
psych_bool nameError;
//all subfunctions should have these two lines.
PsychPushHelp(useString, synopsisString, seeAlsoString);
if(PsychIsGiveHelp()){PsychGiveHelp();return(PsychError_none);};
//check for valid number of arguments
PsychErrorExit(PsychRequireNumInputArgs(1));
PsychErrorExit(PsychCapNumInputArgs(2));
PsychErrorExit(PsychCapNumOutputArgs(1));
//Get the window record
PsychAllocInWindowRecordArg(kPsychUseDefaultArgPosition, TRUE, &windowRecord);
//Get the old copy mode & its name
PsychGetTextDrawingModeNameFromTextDrawingModeConstant(oldCopyModeName, 255, windowRecord->textAttributes.textMode);
PsychCopyOutCharArg(1, FALSE, oldCopyModeName);
//Get the copy new mode string
doSetMode= PsychAllocInCharArg(2, FALSE, &newCopyModeName);
if(doSetMode){
nameError=PsychGetTextDrawingModeConstantFromTextDrawingModeName(&newCopyMode, newCopyModeName);
if(nameError)
PsychErrorExitMsg(PsychError_user, "Invalid text copy mode. See Screen('TextModes') for a list of allowable modes");
windowRecord->textAttributes.needsRebuild|=(windowRecord->textAttributes.textMode != newCopyMode) ? TRUE : FALSE;
windowRecord->textAttributes.textMode=newCopyMode;
}
return(PsychError_none);
}
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