// TODO: Fix this to be like Ogre
public override void EncodeToFile(Stream input, string fileName, object codecData)
{
int imageID;
// create and bind a new image
Il.ilGenImages(1, out imageID);
Il.ilBindImage(imageID);
byte[] buffer = new byte[input.Length];
input.Read(buffer, 0, buffer.Length);
ImageData data = (ImageData)codecData;
ILFormat ilfmt = ILUtil.ConvertToILFormat(data.format);
// stuff the data into the image
Il.ilTexImage(data.width, data.height, 1, (byte)ilfmt.channels, ilfmt.format, ilfmt.type, buffer);
if (data.flip)
{
// flip the image
Ilu.iluFlipImage();
}
// save the image to file
Il.ilSaveImage(fileName);
// delete the image
Il.ilDeleteImages(1, ref imageID);
}
//-----------------------------------------------------------------------
public void ILUtil.FromAxiom(PixelBox src)
{
// ilTexImage http://openil.sourceforge.net/docs/il/f00059.htm
ILFormat ifmt = OgreFormat2ilFormat(src.format);
if (src.isConsecutive() && ifmt.isValid())
{
// The easy case, the buffer is laid out in memory just like
// we want it to be and is in a format DevIL can understand directly
// We could even save the copy if DevIL would let us
Il.ilTexImage(src.Width, src.Height, src.Depth, ifmt.numberOfChannels,
ifmt.format, ifmt.type, src.data);
}
else if (ifmt.isValid())
{
// The format can be understood directly by DevIL. The only
// problem is that ilTexImage expects our image data consecutively
// so we cannot use that directly.
// Let DevIL allocate the memory for us, and copy the data consecutively
// to its memory
ilTexImage(static_cast <ILuint>(src.getWidth()),
static_cast <ILuint>(src.getHeight()),
static_cast <ILuint>(src.getDepth()), ifmt.numberOfChannels,
ifmt.format, ifmt.type, 0);
PixelBox dst(src.getWidth(), src.getHeight(), src.getDepth(), src.format, ilGetData());
PixelUtil::bulkPixelConversion(src, dst);
}
else
{
// Here it gets ugly. We're stuck with a pixel format that DevIL
// can't do anything with. We will do a bulk pixel conversion and
// then feed it to DevIL anyway. The problem is finding the best
// format to convert to.
// most general format supported by OGRE and DevIL
PixelFormat fmt = PixelUtil::hasAlpha(src.format)?PF_FLOAT32_RGBA:PF_FLOAT32_RGB;
// Make up a pixel format
// We don't have to consider luminance formats as they have
// straight conversions to DevIL, just weird permutations of RGBA an LA
int depths[4];
//-----------------------------------------------------------------------
public static void ToAxiom(PixelBox dst)
{
if (!dst.Consecutive)
{
throw new NotImplementedException("Destination must currently be consecutive");
}
if (dst.Width != Il.ilGetInteger(Il.IL_IMAGE_WIDTH) ||
dst.Height != Il.ilGetInteger(Il.IL_IMAGE_HEIGHT) ||
dst.Depth != Il.ilGetInteger(Il.IL_IMAGE_DEPTH))
{
throw new AxiomException("Destination dimensions must equal IL dimension");
}
int ilfmt = Il.ilGetInteger(Il.IL_IMAGE_FORMAT);
int iltp = Il.ilGetInteger(Il.IL_IMAGE_TYPE);
// Check if in-memory format just matches
// If yes, we can just copy it and save conversion
ILFormat ifmt = ILUtil.ConvertToILFormat(dst.Format);
if (ifmt.format == ilfmt && ILabs(ifmt.type) == ILabs(iltp))
{
int size = Il.ilGetInteger(Il.IL_IMAGE_SIZE_OF_DATA);
// Copy from the IL structure to our buffer
PixelUtil.CopyBytes(dst.Data, dst.Offset, Il.ilGetData(), 0, size);
return;
}
// Try if buffer is in a known OGRE format so we can use OGRE its
// conversion routines
PixelFormat bufFmt = ILUtil.ConvertFromILFormat(ilfmt, iltp);
ifmt = ILUtil.ConvertToILFormat(bufFmt);
if (ifmt.format == ilfmt && ILabs(ifmt.type) == ILabs(iltp))
{
// IL format matches another OGRE format
PixelBox src = new PixelBox(dst.Width, dst.Height, dst.Depth, bufFmt, Il.ilGetData());
PixelUtil.BulkPixelConversion(src, dst);
return;
}
#if NOT
// The extremely slow method
if (iltp == Il.IL_UNSIGNED_BYTE || iltp == Il.IL_BYTE)
{
ilToOgreInternal(static_cast <uint8 *>(dst.data), dst.format, (uint8)0x00, (uint8)0x00, (uint8)0x00, (uint8)0xFF);
}
else if (iltp == IL_FLOAT)
{
ilToOgreInternal(static_cast <uint8 *>(dst.data), dst.format, 0.0f, 0.0f, 0.0f, 1.0f);
}
else if (iltp == IL_SHORT || iltp == IL_UNSIGNED_SHORT)
{
ilToOgreInternal(static_cast <uint8 *>(dst.data), dst.format,
(uint16)0x0000, (uint16)0x0000, (uint16)0x0000, (uint16)0xFFFF);
}
else
{
OGRE_EXCEPT(Exception::UNIMPLEMENTED_FEATURE,
"Cannot convert this DevIL type",
"ILUtil::ilToOgre");
}
#else
throw new NotImplementedException("Cannot convert this DevIL type");
#endif
}
