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/*
SCREENTextStyle.c
AUTHORS:
Allen.Ingling@nyu.edu awi
mario.kleiner@tuebingen.mpg.de mk
PLATFORMS:
All.
HISTORY:
11/19/03 awi Wrote it.
10/12/04 awi In useString: changed "SCREEN" to "Screen", and moved commas to inside [].
DESCRIPTION:
Sets the text style for the specified window record.
NOTES:
*/
#include "Screen.h"
static char useString[] ="oldStyle=Screen('TextStyle', windowPtr [,style]);";
// 0 1 2
static char synopsisString[] =
"Get/set the font style for future text draws in this window. Useful values for "
"style follow; they may be OR'd. See Inside Mac TextFace() for more. On M$-Windows "
"and GNU/Linux, only a subset of these settings is honored - All settings are accepted, "
"but some of them are silently ignored on Windows and Linux. On Windows the default "
"text style is bold, because this increases readability on that system.\n"
"0=normal,1=bold,2=italic,4=underline,8=outline,32=condense,64=extend.\n"
"You can assign a default font style for new windows via a call to "
"Screen('Preference', 'DefaultFontStyle'). The initial default font "
"style is operating system dependent.\n"
"Not all fonts support all style settings. Unsupported settings for the currently "
"selected font will be silently ignored.";
static char seeAlsoString[] = "";
PsychError SCREENTextStyle(void)
{
psych_bool doSetStyle, foundFont;
PsychWindowRecordType *windowRecord;
int oldTextStyle, newTextStyle;
#if PSYCH_SYSTEM == PSYCH_OSX
PsychFontStructType *fontRecord;
#endif
//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.
oldTextStyle=windowRecord->textAttributes.textStyle;
PsychCopyOutDoubleArg(1, FALSE, (double)oldTextStyle);
//Fetch and set the new size if it is specified.
doSetStyle= PsychCopyInIntegerArg(2, FALSE, &newTextStyle);
if (doSetStyle) {
windowRecord->textAttributes.needsRebuild|=(windowRecord->textAttributes.textStyle != newTextStyle) ? TRUE : FALSE;
windowRecord->textAttributes.textStyle=newTextStyle;
#if PSYCH_SYSTEM == PSYCH_OSX
// Need to update font name and number from changed style on OS/X:
foundFont = PsychGetFontRecordFromFontFamilyNameAndFontStyle((char*) windowRecord->textAttributes.textFontName, windowRecord->textAttributes.textStyle, &fontRecord);
if (foundFont) {
strncpy((char*) windowRecord->textAttributes.textFontName, (const char*) fontRecord->fontFMFamilyName, 255);
windowRecord->textAttributes.textFontNumber= fontRecord->fontNumber;
}
else {
// Failed! Revert to old setting:
windowRecord->textAttributes.textStyle = oldTextStyle;
}
#endif
}
return(PsychError_none);
}
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