ILboolean iCopySubImage(ILimage *Dest, ILimage *Src)
{
ILimage *DestTemp, *SrcTemp;
DestTemp = Dest;
SrcTemp = Src;
do {
il2CopyImageAttr(DestTemp, SrcTemp);
DestTemp->Data = (ILubyte*)ialloc(SrcTemp->SizeOfData);
if (DestTemp->Data == NULL) {
return IL_FALSE;
}
memcpy(DestTemp->Data, SrcTemp->Data, SrcTemp->SizeOfData);
if (SrcTemp->Next) {
DestTemp->Next = (ILimage*)icalloc(1, sizeof(ILimage));
if (!DestTemp->Next) {
return IL_FALSE;
}
}
else {
DestTemp->Next = NULL;
}
DestTemp = DestTemp->Next;
SrcTemp = SrcTemp->Next;
} while (SrcTemp);
return IL_TRUE;
}
//! Copies everything from aSource to aTarget
ILboolean ILAPIENTRY il2CopyImage(ILimage* aSource, ILimage* aTarget)
{
if (aSource == NULL || aTarget == NULL) {
il2SetError(IL_ILLEGAL_OPERATION);
return IL_FALSE;
}
il2TexImage(aTarget, aSource->Width, aSource->Height, aSource->Depth, aSource->Bpp,
aSource->Format, aSource->Type, aSource->Data);
il2CopyImageAttr(aTarget, aSource);
return IL_TRUE;
}
// Copy data and attributes of aSource into a new image
ILimage* ILAPIENTRY il2CloneImage(ILimage* aSource)
{
if (aSource == NULL) {
il2SetError(IL_ILLEGAL_OPERATION);
return NULL;
}
ILimage* newImage = il2GenImage();
il2TexImage(newImage, aSource->Width, aSource->Height, aSource->Depth, aSource->Bpp,
aSource->Format, aSource->Type, aSource->Data);
il2CopyImageAttr(newImage, aSource);
return newImage;
}
// Creates a copy of Src and returns it.
ILAPI ILimage* ILAPIENTRY il2CopyImage_(ILimage *Src)
{
ILimage *Dest;
if (Src == NULL) {
il2SetError(IL_INVALID_PARAM);
return NULL;
}
Dest = il2NewImage(Src->Width, Src->Height, Src->Depth, Src->Bpp, Src->Bpc);
if (Dest == NULL) {
return NULL;
}
if (il2CopyImageAttr(Dest, Src) == IL_FALSE)
return NULL;
memcpy(Dest->Data, Src->Data, Src->SizeOfData);
return Dest;
}
// Copy data and attributes of the currently bound image into a new image
ILAPI ILuint ILAPIENTRY ilCloneCurImage()
{
ILuint Id;
ILimage *CurImage;
if (iCurImage == NULL) {
il2SetError(IL_ILLEGAL_OPERATION);
return 0;
}
ilGenImages(1, &Id);
if (Id == 0)
return 0;
CurImage = iCurImage;
ilBindImage(Id);
ilTexImage(CurImage->Width, CurImage->Height, CurImage->Depth, CurImage->Bpp, CurImage->Format, CurImage->Type, CurImage->Data);
il2CopyImageAttr(iCurImage, CurImage);
iCurImage = CurImage;
return Id;
}