// Internal function to get the header and check it.
ILboolean iIsValidPcx()
{
PCXHEAD Head;
if (!iGetPcxHead(&Head))
return IL_FALSE;
iseek(-(ILint)sizeof(PCXHEAD), IL_SEEK_CUR);
return iCheckPcx(&Head);
}
// Check whether given file has a valid .pcx header
ILboolean iIsValidPcx(SIO* io)
{
PCXHEAD Head;
ILint read = iGetPcxHead(io, &Head);
io->seek(io->handle, -read, IL_SEEK_CUR);
if (read == sizeof(Head))
return iCheckPcx(&Head);
else
return IL_FALSE;
}
// Internal function used to load the .pcx.
ILboolean iLoadPcxInternal()
{
PCXHEAD Header;
ILboolean bPcx = IL_FALSE;
if (iCurImage == NULL) {
ilSetError(IL_ILLEGAL_OPERATION);
return bPcx;
}
if (!iGetPcxHead(&Header))
return IL_FALSE;
if (!iCheckPcx(&Header)) {
ilSetError(IL_INVALID_FILE_HEADER);
return IL_FALSE;
}
bPcx = iUncompressPcx(&Header);
ilFixImage();
return bPcx;
}
