#include <COM_ViewerOperation.h>

Inherits blender::compositor::MultiThreadedOperation.

Public Member Functions
	ViewerOperation ()

void	init_execution () override

void	deinit_execution () override

void	determine_canvas (const rcti &preferred_area, rcti &r_area) override

bool	is_output_operation (bool) const override
	is_output_operation determines whether this operation is an output of the ExecutionSystem during rendering or editing.

void	set_image (Image *image)

void	set_image_user (ImageUser *image_user)

bool	is_active_viewer_output () const override
	is this operation the active viewer output user can select an ViewerNode to be active (the result of this node will be drawn on the backdrop).

void	set_active (bool active)

eCompositorPriority	get_render_priority () const override
	get the render priority of this node.

void	set_use_alpha_input (bool value)

void	set_render_data (const RenderData *rd)

void	set_view_name (const char *view_name)

void	set_view_settings (const ColorManagedViewSettings *view_settings)

void	set_display_settings (const ColorManagedDisplaySettings *display_settings)

void	update_memory_buffer_partial (MemoryBuffer output, const rcti &area, Span< MemoryBuffer > inputs) override

void	update_memory_buffer_finished (MemoryBuffer output, const rcti &area, Span< MemoryBuffer > inputs) override

void	clear_display_buffer ()

Public Member Functions inherited from blender::compositor::NodeOperation
virtual	~NodeOperation ()

void	set_name (const std::string name)

const std::string	get_name () const

void	set_id (const int id)

const int	get_id () const

const void	set_node_instance_key (const bNodeInstanceKey &node_instance_key)

const bNodeInstanceKey	get_node_instance_key () const

float	get_constant_value_default (float default_value)

const float *	get_constant_elem_default (const float *default_elem)

const NodeOperationFlags	get_flags () const

std::optional< NodeOperationHash >	generate_hash ()

unsigned int	get_number_of_input_sockets () const

unsigned int	get_number_of_output_sockets () const

NodeOperationOutput *	get_output_socket (unsigned int index=0)

NodeOperationInput *	get_input_socket (unsigned int index)

NodeOperation *	get_input_operation (int index)

void	set_bnodetree (const bNodeTree *tree)

void	set_execution_system (ExecutionSystem *system)

virtual void	init_data ()

void	set_canvas (const rcti &canvas_area)

const rcti &	get_canvas () const

void	unset_canvas ()

void	set_canvas_input_index (unsigned int index)
	set the index of the input socket that will determine the canvas of this operation

void	set_determined_canvas_modifier (std::function< void(rcti &canvas)> fn)

bool	is_braked () const

void	update_draw ()

unsigned int	get_width () const

unsigned int	get_height () const

virtual MemoryBuffer *	get_input_memory_buffer (MemoryBuffer **)

virtual std::unique_ptr< MetaData >	get_meta_data ()

void	render (MemoryBuffer output_buf, Span< rcti > areas, Span< MemoryBuffer > inputs_bufs)

virtual void	get_area_of_interest (int input_idx, const rcti &output_area, rcti &r_input_area)
	Get input operation area being read by this operation on rendering given output area.

void	get_area_of_interest (NodeOperation *input_op, const rcti &output_area, rcti &r_input_area)

Additional Inherited Members
Protected Member Functions inherited from blender::compositor::MultiThreadedOperation
	MultiThreadedOperation ()

virtual void	update_memory_buffer_started (MemoryBuffer , const rcti &, Span< MemoryBuffer >)

Protected Member Functions inherited from blender::compositor::NodeOperation
	NodeOperation ()

virtual void	hash_output_params ()

template<typename T >
void	hash_param (T param)

template<typename T1 , typename T2 >
void	hash_params (T1 param1, T2 param2)

template<typename T1 , typename T2 , typename T3 >
void	hash_params (T1 param1, T2 param2, T3 param3)

void	add_input_socket (DataType datatype, ResizeMode resize_mode=ResizeMode::Center)

void	add_output_socket (DataType datatype)

SocketReader *	get_input_socket_reader (unsigned int index)

Static Protected Member Functions inherited from blender::compositor::NodeOperation
static void	combine_hashes (size_t &combined, size_t other)

Protected Attributes inherited from blender::compositor::MultiThreadedOperation
int	num_passes_

int	current_pass_

Protected Attributes inherited from blender::compositor::NodeOperation
rcti	canvas_ = COM_AREA_NONE

NodeOperationFlags	flags_

ExecutionSystem *	exec_system_