Err
unloadHiRes(void)
{
Err rv = 0;
if (hires != 0) {
rv = HRClose(hires);
if (didl)
SysLibRemove(hires);
didl = 0;
hires = 0;
}
return (rv);
}
Boolean
sonyCanHires(void)
{
if (hires == 0) {
loadHiRes();
if (hires != 0) {
HRClose(hires);
SysLibRemove(hires);
hires = 0;
return (true);
} else
return (false);
} else
return (true);
}
static DIAHardwareType InitializeSony( void )
{
Err err;
UInt32 version;
err = SysLibFind( sonySysLibNameSilk, &sonyRefNum );
if ( err == sysErrLibNotFound ) {
err = SysLibLoad( 'libr', sonySysFileCSilkLib, &sonyRefNum );
}
if ( err != errNone )
return DIA_HARDWARE_NONE;
if ( errNone == FtrGet( sonySysFtrCreator, sonySysFtrNumVskVersion,
&version ) ) {
/* Version 2 and up */
err = VskOpen( sonyRefNum );
if ( errNone == err )
return DIA_HARDWARE_SONY2;
}
else {
/* Version 1 and up */
err = SilkLibOpen( sonyRefNum );
if ( errNone == err ) {
/* Make sure we are in a Hi-Res mode */
UInt32 width;
UInt32 height;
UInt16 sonyHiResRefNum;
err = SysLibFind( sonySysLibNameHR, &sonyHiResRefNum );
if ( err == sysErrLibNotFound )
err = SysLibLoad( 'libr', sonySysFileCHRLib, &sonyHiResRefNum );
if ( err == errNone ) {
err = HROpen( sonyHiResRefNum );
HRWinScreenMode( sonyHiResRefNum, winScreenModeGet, &width,
&height, NULL, NULL );
HRClose( sonyHiResRefNum );
if ( width < 320 )
return DIA_HARDWARE_NONE;
}
else
return DIA_HARDWARE_NONE;
}
return DIA_HARDWARE_SONY1;
}
return DIA_HARDWARE_NONE;
}