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/*
SCREENTextSize.c
AUTHORS:
Allen.Ingling@nyu.edu awi
mario.kleiner@tuebingen.mpg.de mk
PLATFORMS:
All.
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 size 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[] ="oldTextSize=Screen('TextSize', windowPtr [,textSize]);";
// 0 1 2
static char synopsisString[] =
"Read/Set the text size for the specified window.\n"
"You can assign a default font size for new windows via a call to "
"Screen('Preference', 'DefaultFontSize'). The initial default font "
"size is operating system dependent.\n";
static char seeAlsoString[] = "";
PsychError SCREENTextSize(void)
{
psych_bool doSetSize;
PsychWindowRecordType *windowRecord;
int oldTextSize, newTextSize;
//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);
//Save the old text size value and return it.
oldTextSize=windowRecord->textAttributes.textSize;
PsychCopyOutDoubleArg(1, FALSE, (double)oldTextSize);
//Fetch and set the new size if it is specified.
doSetSize= PsychCopyInIntegerArg(2, FALSE, &newTextSize);
if(doSetSize) {
windowRecord->textAttributes.needsRebuild|=(windowRecord->textAttributes.textSize != newTextSize) ? TRUE : FALSE;
windowRecord->textAttributes.textSize=newTextSize;
}
return(PsychError_none);
}
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