Function iCheckSgi

DevIL/src-IL/src/il_sgi.cpp:112–124

Internal function used to check if the HEADER is a valid .sgi header. */

/* Internal function used to check if the HEADER is a valid .sgi header. */
ILboolean iCheckSgi(iSgiHeader *Header)
{
	if (Header->MagicNum != SGI_MAGICNUM)
		return IL_FALSE;
	if (Header->Storage != SGI_RLE && Header->Storage != SGI_VERBATIM)
		return IL_FALSE;
	if (Header->Bpc == 0 || Header->Dim == 0)
		return IL_FALSE;
	if (Header->XSize == 0 || Header->YSize == 0 || Header->ZSize == 0)
		return IL_FALSE;

	return IL_TRUE;
}

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