Module: ImNodes

Extended by:
FFI::Library
Defined in:
lib/imnodes.rb

Defined Under Namespace

Classes: CanvasState, CanvasStyle, SlotInfo

Constant Summary collapse

@@imnodes_import_done = 
false

Class Method Summary collapse

Class Method Details

.import_symbols(output_error = false) ⇒ Object 



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# File 'lib/imnodes.rb', line 106

def self.import_symbols(output_error = false)

  symbols = [
    # name, func, args, returns
    [:CanvasStateCtor, :ImNodesCanvasStateCtor, [], :pointer],
    [:CanvasStateDtor, :ImNodesCanvasStateDtor, [:pointer], :void],
    [:BeginCanvas, :ImNodesBeginCanvas, [:pointer], :void],
    [:EndCanvas, :ImNodesEndCanvas, [], :void],
    [:BeginNode, :ImNodesBeginNode, [:pointer, :pointer, :pointer], :bool],
    [:EndNode, :ImNodesEndNode, [], :void],
    [:IsNodeHovered, :ImNodesIsNodeHovered, [], :bool],
    [:AutoPositionNode, :ImNodesAutoPositionNode, [:pointer], :void],
    [:GetNewConnection, :ImNodesGetNewConnection, [:pointer, :pointer, :pointer, :pointer], :bool],
    [:GetPendingConnection, :ImNodesGetPendingConnection, [:pointer, :pointer, :pointer], :bool],
    [:Connection, :ImNodesConnection, [:pointer, :pointer, :pointer, :pointer], :bool],
    [:GetCurrentCanvas, :ImNodesGetCurrentCanvas, [], :pointer],
    [:InputSlotKind, :ImNodesInputSlotKind, [:int], :int],
    [:OutputSlotKind, :ImNodesOutputSlotKind, [:int], :int],
    [:IsInputSlotKind, :ImNodesIsInputSlotKind, [:int], :bool],
    [:IsOutputSlotKind, :ImNodesIsOutputSlotKind, [:int], :bool],
    [:BeginSlot, :ImNodesBeginSlot, [:pointer, :int], :bool],
    [:BeginInputSlot, :ImNodesBeginInputSlot, [:pointer, :int], :bool],
    [:BeginOutputSlot, :ImNodesBeginOutputSlot, [:pointer, :int], :bool],
    [:EndSlot, :ImNodesEndSlot, [], :void],
    [:IsSlotCurveHovered, :ImNodesIsSlotCurveHovered, [], :bool],
    [:IsConnectingCompatibleSlot, :ImNodesIsConnectingCompatibleSlot, [], :bool],
    [:EzCreateContext, :ImNodesEzCreateContext, [], :pointer],
    [:EzFreeContext, :ImNodesEzFreeContext, [:pointer], :void],
    [:EzSetContext, :ImNodesEzSetContext, [:pointer], :void],
    [:EzGetState, :ImNodesEzGetState, [], :pointer],
    [:EzBeginCanvas, :ImNodesEzBeginCanvas, [], :void],
    [:EzEndCanvas, :ImNodesEzEndCanvas, [], :void],
    [:EzBeginNode, :ImNodesEzBeginNode, [:pointer, :pointer, :pointer, :pointer], :bool],
    [:EzEndNode, :ImNodesEzEndNode, [], :void],
    [:EzInputSlots, :ImNodesEzInputSlots, [:pointer, :int], :void],
    [:EzOutputSlots, :ImNodesEzOutputSlots, [:pointer, :int], :void],
    [:EzConnection, :ImNodesEzConnection, [:pointer, :pointer, :pointer, :pointer], :bool],
    [:EzPushStyleVarFloat, :ImNodesEzPushStyleVarFloat, [:int, :float], :void],
    [:EzPushStyleVarVec2, :ImNodesEzPushStyleVarVec2, [:int, :pointer], :void],
    [:EzPopStyleVar, :ImNodesEzPopStyleVar, [:int], :void],
    [:EzPushStyleColorU32, :ImNodesEzPushStyleColorU32, [:int, :uint], :void],
    [:EzPushStyleColorVec4, :ImNodesEzPushStyleColorVec4, [:int, :pointer], :void],
    [:EzPopStyleColor, :ImNodesEzPopStyleColor, [:int], :void],
  ]

  symbols.each do |sym|
    begin
      attach_function *sym
    rescue FFI::NotFoundError
      $stderr.puts("[Warning] Failed to import #{sym}.\n") if output_error
    end
  end

end

.load_lib(libpath = './imnodes.dylib', output_error = false) ⇒ Object 



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# File 'lib/imnodes.rb', line 100

def self.load_lib(libpath = './imnodes.dylib', output_error = false)
  ffi_lib_flags :now, :global
  ffi_lib libpath
  import_symbols(output_error) unless @@imnodes_import_done
end