public void Update(Texture2D image, RectInt rect)
{
if (disposed)
{
DisposeHelper.NotifyDisposedUsed(this);
return;
}
Debug.Assert(image != null && rect.width > 0 && rect.height > 0);
m_Blitter.QueueBlit(image, new RectInt(0, 0, image.width, image.height), new Vector2Int(rect.x, rect.y), true, Color.white);
}
/// <summary>
/// If the provided texture is already in the atlas, the uvs are returned immediately. Otherwise, if the
/// texture passes the requirements (format, etc), it will be virtually added to the atlas and added to the
/// list of textures to be committed.
/// </summary>
public bool TryGetLocation(Texture2D image, out RectInt uvs)
{
uvs = new RectInt();
if (disposed)
{
LogDisposeError();
return(false);
}
if (image == null)
{
return(false);
}
// Is the image already in the atlas?
if (m_UVs.TryGetValue(image, out uvs))
{
return(true);
}
if (!IsTextureValid(image))
{
return(false);
}
// Attempt to allocate.
RectInt alloc;
if (!m_Allocator.TryAllocate(image.width + 2, image.height + 2, out alloc))
{
return(false);
}
uvs = new RectInt(alloc.x + 1, alloc.y + 1, image.width, image.height);
m_UVs[image] = uvs;
// Add a blit instruction.
m_Blitter.QueueBlit(image, new RectInt(0, 0, image.width, image.height), new Vector2Int(uvs.x, uvs.y), true);
return(true);
}
/// <summary>
/// If the provided texture is already in the atlas, the uvs are returned immediately. Otherwise, if the
/// texture passes the requirements (format, etc), it will be virtually added to the atlas and added to the
/// list of textures to be committed.
/// </summary>
public bool TryGetRect(Texture2D image, out RectInt uvs, Func <Texture2D, bool> filter = null)
{
uvs = new RectInt();
if (disposed)
{
LogDisposeError();
return(false);
}
if (image == null)
{
return(false);
}
// Is the image already in the atlas?
if (m_UVs.TryGetValue(image, out uvs))
{
return(true);
}
if (filter != null && !filter(image))
{
return(false);
}
// Attempt to allocate.
if (!AllocateRect(image.width, image.height, out uvs))
{
return(false);
}
m_UVs[image] = uvs;
// Add a blit instruction.
m_Blitter.QueueBlit(image, new RectInt(0, 0, image.width, image.height), new Vector2Int(uvs.x, uvs.y), true, Color.white);
return(true);
}
