Function ILAPIENTRY ilRegisterNumFaces

DevIL/src-IL/src/il_register.cpp:268–302

ILboolean ILAPIENTRY ilRegisterNumFaces(ILuint Num)
{
	ILimage *Next, *Prev;

	ilBindImage(ilGetCurName());  // Make sure the current image is actually bound.
	ilCloseImage(iCurImage->Faces);  // Close any current mipmaps.

	iCurImage->Faces = NULL;
	if (Num == 0)  // Just gets rid of all the mipmaps.
		return IL_TRUE;

	iCurImage->Faces = ilNewImage(1, 1, 1, 1, 1);
	if (iCurImage->Faces == NULL)
		return IL_FALSE;
	Next = iCurImage->Faces;
	Num--;

	while (Num) {
		Next->Faces = ilNewImage(1, 1, 1, 1, 1);
		if (Next->Faces == NULL) {
			// Clean up before we error out.
			Prev = iCurImage->Faces;
			while (Prev) {
				Next = Prev->Faces;
				ilCloseImage(Prev);
				Prev = Next;
			}
			return IL_FALSE;
		}
		Next = Next->Faces;
		Num--;
	}

	return IL_TRUE;
}


ILboolean ILAPIENTRY ilRegisterMipNum(ILuint Num)