Function ILAPIENTRY ilRegisterMipNum

DevIL/src-IL/src/il_register.cpp:305–339

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

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

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

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

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

	return IL_TRUE;
}


ILboolean ILAPIENTRY ilRegisterNumImages(ILuint Num)