Inheritance diagram for DD::Image::Transform:

Public Member Functions
void	_validate (bool) override

void	setclip (const Box &)

void	_request (int x, int y, int r, int t, ChannelMask, int count) override

void	engine (int y, int x, int r, ChannelMask allchan, Row &row) override

	Transform (Node *node=nullptr)

Transform *	getTransform () override

void	setInputsValid (bool) override

HandlesMode	doAnyHandles (ViewerContext *ctx) override

void	build_handles (ViewerContext *ctx) override

void	draw_handle (ViewerContext *ctx) override

Matrix4 *	matrix ()

virtual void	matrix (const Matrix4 &m)

bool	transform (double x, double y, double &X, double &Y, double &Z)

bool	concat_transform (double x, double y, double &X, double &Y, double &Z)

void	reset ()

void	multiply (const Matrix4 &m)

void	multiply (const Transform &t)

void	premultiply (const Matrix4 &m)

void	premultiply (const Transform &t)

void	scale (float s)

void	scale (float x, float y, float z=1.0)

void	rotateX (float radians)

void	rotateY (float radians)

void	rotateZ (float radians)

void	rotate (float radians)

void	rotate (float a, float x, float y, float z)

void	skew (float a)

void	translate (float x, float y)

void	translate (float x, float y, float z)

const Filter *	filter () const

int	filter_type () const

void	filter_type (int t)

bool	clamp () const

void	clamp (bool v)

bool	black_outside () const

void	black_outside (bool v)

const char *	Class () const override

const char *	node_help () const override

unsigned	node_color () const override

const Matrix4 &	concat_matrix () const

Iop *	concat_input () const

void	filter_knobs (Knob_Callback)

void	motionblur_knobs (Knob_Callback cb)

void	knobs (Knob_Callback) override

float	getMotionBlur () const

bool	isMotionBlurring () const

float	motionBlurSample (int x, int y, RowCacheTile &i, ChannelMask iChannels, Pixel &out)

void	sample (const Vector2 &center, const Vector2 &dU, const Vector2 &dV, Filter *filter, Pixel &out) override

void	sample (float cx, float cy, float w, float h, Filter *filter, Pixel &out) override

bool	set_texturemap (ViewerContext *, bool) override

Op *	realParent ()

Public Member Functions inherited from DD::Image::Iop
void	fetchPlane (ImagePlane &imagePlane)

virtual PlanarI *	getPlanarI ()

void	force_validate (bool for_real=true) override

IopImpl *	pImpl ()

Iop *	iop () override
	Cast to an Iop. This is much cheaper and safer than using dynamic_cast.

const Iop *	iop () const override

	~Iop () override

virtual bool	isBlackIop () const

bool	test_input (int, Op *) const override

Op *	default_input (int) const override

Iop *	input (int n) const

Iop *	input (int n, int m) const

Iop &	input0 () const

Iop &	input1 () const

Cache *	cache () const

bool	cached () const

void	cached (bool b)

virtual void	in_channels (int, ChannelSet &) const

ChannelMask	out_channels () const

int	raw_channels_from () const

virtual bool	pass_transform () const

void	request (int x, int y, int r, int t, ChannelMask channels, int count)

void	request (DD::Image::Box box, ChannelMask channels, int count)

void	request (ChannelMask channels, int count)

void	_copyState (Iop *input)

const Box &	requestedBox () const

const Box &	unclampedRequestedBox () const

ChannelMask	requested_channels () const

ChannelMask	multi_requested_channels () const

ChannelMask	unclamped_requested_channels () const

int	requested_count () const

virtual void	get (int y, int x, int r, ChannelMask, Row &)

void	at (int x, int y, Pixel &out)

float	at (int x, int y, Channel)

ChannelSet	peek (int x, int y, int r, int t, Pixel &out)

bool	peek (int x, int y, int w, int h, ChannelMask pixelChannels, PixelCallbackI &callback)

virtual TextureImage	get_texturemap (ViewerContext *ctx)

virtual void	unset_texturemap (ViewerContext *)

virtual bool	shade_GL (ViewerContext *, GeoInfo &)

virtual void	vertex_shader (VertexContext &)

virtual void	fragment_shader (const VertexContext &, Pixel &out)

virtual void	displacement_shader (const VertexContext &vtx, VArray &out)

virtual float	displacement_bound () const

virtual void	blending_shader (const Pixel &in, Pixel &out)

virtual void	render_state (GeoInfoRenderState &state)

void	sample (float cx, float cy, float w, float h, Pixel &out)

void	sample (const Vector2 &center, const Vector2 &dU, const Vector2 &dV, Pixel &out)

virtual float	sample_shadowmap (Iop map, bool map_is_one_over_z, float cx, float cy, float W, float H, Filter filter, float Pz)

virtual void	inputsAttached ()

virtual void	gpuEngine_useTextureTransform (bool useTransform)
	GPU support code. More...

virtual void	gpuEngine_setupTextureTransform (const Matrix4 &postOpTransform)

virtual const char *	gpuEngine_decl () const

virtual const char *	gpuEngine_body () const

virtual Hash	gpuEngine_shader_hash_at (double time)

virtual int	gpuEngine_getNumRequiredTexUnits () const

virtual void	gpuEngine_GL_begin (GPUContext *context)

virtual void	gpuEngine_GL_end (GPUContext *context)

virtual Iop *	viewerPassThrough () const

OpHints	opHints () const override
	Return hints to control when and how this op will be evaluated by the top-down system.

virtual void	setExtendedOpProperties (std::shared_ptr< ExtendedOpProperties > extendedOpProperties)
	Sets the pointer to object implementing extended properties.

virtual std::shared_ptr< ExtendedOpProperties >	getExtendedOpProperties () const
	Returns the pointer to object implementing extended properties.

Public Member Functions inherited from DD::Image::Op
PrevalidateResult	preValidate (ViewerContext ctx=nullptr, PreValidateContext =nullptr)

Op *	rootOp () const

bool	preValidateAborted (int treeStartingVersion, PrevalidateResult &result) const

const OutputSet &	getOutputs () const
	return all the outputs of this node

bool	inputsValid () const
	return whether the input ops are valid (are for the right context)

virtual bool	can_clone () const
	returns whether or not an op can be cloned in the dag

bool	haveHash () const
	return true if the hash() value is meaningful and globally unique

bool	varyingOutputHash () const

void	setVaryingOutputHash (bool varyingHashes)
	Set the varyingOutputHash indicator to a specific state.

void	enableVaryingOutputHash ()
	Enable the varyingOutputHash indicator.

virtual Hash	editState () const

virtual void	setEditState (const Hash &h)

virtual std::vector< DD::Image::OutputContext >	getPrevVersionsWanted () const

virtual const MetaData::Bundle &	_fetchMetaData (const char *keyname)

const MetaData::Bundle &	fetchMetaData (const char *keyname)

Node *	node () const

DD::Image::NodeI *	getNode () const

void	node (Node *v)

const char *	nodeName () const
	Return NodeI::name() which is the Node's local name with no parent path.

std::string	nodeFullPath (char separator= '.') const

Hash	nodeTopologyHash () const

Op *	firstOp () const

void	firstOp (Op *v)

Op *	parent () const

void	parent (Op *lpOp)

virtual void	detach ()
	node has been deleted in DAG

virtual void	attach ()
	node has been created in DAG

virtual void	pre_write_knobs ()

void	knobStorePrep (const OutputContext &storeContext)

void	knobStorePost (const OutputContext &storeContext, Hash &hash)

int	replace_knobs (Knob afterthis, int n, void(f)(void , Knob_Callback), void , const char *fileExt=nullptr)

int	add_knobs (void(f)(void , Knob_Callback), void *, Knob_Callback)

void	set_unlicensed ()

Knob *	knob (const char *name) const

Knob *	knob (int) const

bool	pushed () const

bool	panel_visible () const

bool	node_disabled () const

bool	node_selected () const

unsigned	node_gl_color () const

void *	field (const char *name)

void *	field (const char *name, int &type)

void *	set_field (const char name, const void source, int size)

void *	get_field (const char name, void dest, int size)

void	beginHandle (HandleType command, ViewerContext ctx, EventCallback cb, int index, float x=0, float y=0, float z=0, ViewerContext::Cursor cursor=ViewerContext::kNoCursor)

void	endHandle (ViewerContext *ctx)

virtual int	knob_changed (Knob *)

virtual int	knob_change_finished (Knob *knob, bool changedByUser=true)

void	addTime (OpTimer::Category category, long long microsecondsCPU, long long microsecondsWall, bool isTopLevel=true)

void	getPerformanceInfo (OpTimer::Category category, OpTimer::PerformanceInfo &info) const
	return the amount of CPU time taken by this op

virtual bool	inputs_clockwise () const
	whether unconnected inputs on the DAG should be arranged clockwise or anticlockwise (default)

virtual std::vector< int >	input_order () const

virtual int	inputArrows (int nodeInputs) const

bool	script_command (const char *command, bool py=true, bool eval=true) const

bool	script_expand (const char *str) const

HandlesMode	anyHandles (ViewerContext *ctx)

void	add_draw_handle (ViewerContext *)

virtual void	add_input_handle (int input, ViewerContext *)

void	add_op_handle (ViewerContext *ctx)

void	add_knob_handle (Knob , ViewerContext )

virtual int	getViewableModes () const

virtual int	optional_input () const

virtual int	minimum_inputs () const

virtual int	maximum_inputs () const

int	inputs () const

int	node_inputs () const

Op *	node_input (int, GenerateType=OUTPUT_OP) const

Op *	node_input (int, GenerateType, const DD::Image::OutputContext *outputContext) const

Op *	input_op (int n=0) const

virtual void	inputs (int n)

Op *	input (int) const

int	inputNumber (int input, int offset) const

Op *	input (int input, int offset) const

Op *	input0 () const
	return the primary input More...

Op *	input1 () const
	return the second input, if it exists More...

const std::vector< Op * > &	getInputs () const

const std::vector< Op * > &	getChildren () const

virtual void	set_input (int i, Op *op, int input, int offset)

void	set_input0 (Op *op)

void	set_input (int i, Op *op)

void	set_input (int i, Op &op)

void	set_input (int input, int offset, Op *op)

const OutputContext &	outputContext () const

virtual void	setOutputContext (const OutputContext &c)

virtual float	uses_input (int) const

virtual void	build_splits ()

virtual int	split_input (int) const

virtual const OutputContext &	inputContext (int n, int offset, OutputContext &) const

virtual const OutputContext *	inputUIContext (int n, OutputContext &) const

const Hash &	hash () const

virtual bool	frameTransformImplemented () const

virtual bool	frameTransformDownstream (const OutputContext &context, unsigned int input, float inFrame, float &outFrame) const

virtual bool	frameTransformUpstream (const OutputContext &context, unsigned int input, float outFrame, float &inFrame) const

virtual DopeItemFlags::Mask	getDopeItemFlags () const

virtual bool	shouldHideInDopeSheet (Knob *knob) const

virtual DD::Image::Knob *	getDopeItemKnob () const

virtual ViewSet	viewsProduced () const

virtual ViewSet	viewsWantOn (int i) const

virtual ViewSet	splitForViews () const

bool	requested () const

void	setRequested ()

void	forgetRequestShallow ()

void	forget_request ()

void	forget_request (std::set< Op * > &forgotten)

virtual const char *	node_shape () const

DD::Image::Hash	curveHash () const

bool	opCurrent () const

virtual const char *	input_label (int, char *) const

virtual std::string	input_longlabel (int) const

void	node_redraw ()

void	print_name (std::ostream &o) const

NodeContext	nodeContext () const

std::string	node_name () const
	Returns the same string as printed by print_name(ostream).

void	invalidateSameHash ()

bool	invalidate ()

bool	invalidate (const Hash &hash)

bool	update (const Box *=nullptr)

void	asapUpdate ()

void	asapUpdate (const Box &box, int direction=0)

void	validate (bool for_real=true)

void	update_handles () const

bool	valid () const
	Returns true if it has been validated - including if there was an error. More...

bool	real_valid () const
	Returns true if it has been real-validated - including if there was an error. More...

bool	inErrorState () const

bool	inInvalidState () const

bool	opened () const

void	open ()

void	unopen ()

bool	running () const

void	running (bool v)

bool	not_closed () const

void	close ()

void	callCloseAfter (double seconds)

void	copyState (Op *input)

bool	cached () const

void	cached (bool b)

virtual Executable *	executable ()

void	setKnobsToContext (const OutputContext &, bool force=false)

void	gotoContext (const OutputContext &, bool update)

void	progressFraction (double fraction, StatusFlags flags=StatusNone)

void	progressFraction (int a, int b, StatusFlags flags=StatusNone)

void	progressMessage (const char *fmt,...)

void	progressModalMessage (const char *fmt,...)

void	progressDismiss ()

int	slowness () const

void	slowness (int newval)

virtual bool	firstEngineRendersWholeRequest () const

virtual bool	updateUI (const OutputContext &context)

const Format &	input_format () const

const OutputContext &	uiContext () const

void	error (const char *fmt,...)

void	warning (const char *fmt,...)

void	critical (const char *fmt,...)

void	debug (const char *fmt,...)

void	abort () const
	Abort all trees the op is in.

bool	aborted () const
	True if one of the trees the op is in was aborted; ops should check this while processing and return quickly when true.

void	cancel () const
	Cancel all trees the op is in. Make sure you also call abort() to stop processing.

bool	cancelled () const
	True if one of the trees the op is in was cancelled (by user interaction)

bool	addToTree (OpTree *lpTree)
	Returns true if the op was added to the tree, or false if its reference count increased.

bool	removeFromTree (OpTree *lpTree)
	Returns false if the op was removed from the tree, or true if its reference count decreased.

bool	isInTree (OpTree *lpTree) const
	Checks if an op is in a particular tree, for debugging purposes.

bool	isInAnyTree () const
	Checks if an op is in any tree at all.

OpTreeHandler *	getTreeHandler () const
	Returns the treeHandler for a given Op.

bool	hasError () const

bool	opOrChildHasError () const

const Op *	getErroredOp () const

void	setPopUpScheme (PopUpScheme lScheme)

PopUpScheme	getPopUpScheme () const

bool	arePopUpsEnabled ()
	Returns whether a pop-up should be enabled for the next message, modifying internal data when necessary.

OpMessageHandler &	getMsgHandler ()

const OpMessageHandler &	getMsgHandler () const

std::string	getDebugInfo () const
	Returns a string of debug information about the op. For internal use.

std::string	getDetailedDebugInfo () const

bool	tryValidate (bool for_real=true)

virtual GeoOp *	geoOp ()
	Cast to a GeoOp. This is much cheaper and safer than using dynamic_cast.

virtual const GeoOp *	geoOp () const

virtual GeomOp *	geomOp ()
	Cast to a GeomOp. This is much cheaper and safer than using dynamic_cast.

virtual const GeomOp *	geomOp () const

virtual ParticleOp *	particleOp ()
	Cast to a ParticleOp. This is much cheaper and safer than using dynamic_cast.

virtual const ParticleOp *	particleOp () const

virtual DeepOnlyOp *	deepOnlyOp ()
	Cast to a DeepOnlyOp. This is much cheaper and safer than using dynamic_cast.

virtual const DeepOnlyOp *	deepOnlyOp () const

virtual AxisOp *	axisOp ()
	Cast to an AxisOp. This is much cheaper and safer than using dynamic_cast.

virtual const AxisOp *	axisOp () const

virtual CameraOp *	cameraOp ()
	Cast to an CameraOp. This is much cheaper and safer than using dynamic_cast.

virtual const CameraOp *	cameraOp () const

virtual LightOp *	lightOp ()
	Cast to an LightOp. This is much cheaper and safer than using dynamic_cast.

virtual const LightOp *	lightOp () const

virtual std::string	getLibraryName () const
	Return a label and version string to display library version info for the Node.

virtual VersionInfo	getLibraryVersion () const

const std::string	libraryDisplayName () const

virtual const char *	displayName () const

virtual std::string	docsPath () const

virtual bool	onAction (const ViewerContext c, const DD::Image::Flags f, void d)

Op *	get (const Description *description)

Public Member Functions inherited from DD::Image::IopInfoOwner
const Info &	info () const

int	x () const

int	y () const

int	r () const

int	t () const

int	w () const

int	h () const

bool	is_constant () const

int	clampx (int x) const

int	clampy (int y) const

const Format &	format () const

const Format &	full_size_format () const

int	ydirection () const

bool	black_outside () const

ChannelMask	channels () const

const GeneralInfo &	generalInfo () const override

const Info2D &	info2D () const override

int	first_frame () const

int	last_frame () const

void	format (const Format &f)

void	full_size_format (const Format &f)

Static Public Member Functions
static double	mitchell (double b, double c, double x)

Static Public Member Functions inherited from DD::Image::Iop
static Iop *	default_input (const OutputContext &)

static Op *	default_input (const Op *op)

static Channel	channel (const char *name)

static const char *	channel_name (Channel c)

Static Public Member Functions inherited from DD::Image::Op
static int	treeVersion ()

static bool	nukeBusy ()
	is nuke processing something on a parallel thread?

static Op *	create (Node node, const char name, Op *p_op)

static Op *	create (const char name, Op p_op)

static void	resetTimers ()
	reset all the performance timers

static void	setTimingEnabled (bool enabled)
	turn performance timing on or off

static bool	isTimingEnabled ()
	return whether performance timing is on or not

static const char *	script_result (bool py=false)

static void	script_unlock ()

static Op *	retrieveOp (const char node_path, GenerateType generate_op_type, const OutputContext generate_op_context=nullptr)

static Op *	retrieveOp (const char *node_path, const Hash &op_hash, int tree_version)

static void	all_forget_request ()

static void	new_request_pass ()

static double	callPendingClose (double seconds)

static void	clearPendingClose ()

static Op *	error_op ()

static const char *	error_message ()

static void	clearAbortAndError ()
	To be removed.

static void	SetDefaultPopUpEnable (bool lEnable)
	This is used by Nuke to indicate when ops using the default pop-up scheme should show pop-ups. Not recommended for customisation.

static std::string	getVersionInfoStr (const VersionInfo &versionInfo)
	Helper function to convert a VersionInfo tuple into a string.

static const Description *	find_description (const char name, const Op op_)

static int	message_f (char t, const char *,...)

static int	message_vf (char t, const char *, va_list)

static void	add_timeout (float t, TimeoutHandler, void *v=nullptr)

static void	repeat_timeout (float t, TimeoutHandler, void *=nullptr)

static bool	has_timeout (TimeoutHandler, void *=nullptr)

static void	remove_timeout (TimeoutHandler, void *=nullptr)

Protected Member Functions
bool	degenerate ()

virtual void	matrixAt (const OutputContext &, Matrix4 &dest)

void	concatMatrixAt (const OutputContext &, Matrix4 &dest)

void	append (Hash &hash) override

void	updateConcat (bool setInfo)
	update the concat_matrix_ / concat_input_ / concat_clamp_ / concat_black_outside_

Protected Member Functions inherited from DD::Image::Iop
	Iop (Node *node)

void	_invalidate () override

void	_open () override

void	_close () override

virtual void	doFetchPlane (ImagePlane &imagePlane)

bool	inUse () const override

void	copy_info (int input)

void	copy_info (int input, ChannelMask)

void	copy_info ()

void	clear_info ()

void	merge_info (int input=0)

void	merge_info (int input, ChannelMask)

void	mergeFrameRange (int input)

void	set_out_channels (ChannelMask m)

void	set_out_channels (ChannelSetInit m)

void	set_out_channels (Channel z)

void	raw_channels_from (int n)

void	set_out_channels (ChannelMask m, int n)

Iop *	asIop (Op *op) const

Transform *	getDefaultTransform () const

template<class TileType >
void	doSample (float cx, float cy, float w, float h, Filter *, Pixel &out)

template<class TileType >
float	do_sample_shadowmap (Iop map, bool map_is_one_over_z, float cx, float cy, float W, float H, Filter filter, float Pz)

Protected Member Functions inherited from DD::Image::Op
	Op (Node *node)
	The constructor is protected so only subclasses can create the base class.

virtual void	_knobStorePrep (const OutputContext &storeContext)
	The subclass-specific portion of knobStorePrep(). See that method for more info.

virtual void	_knobStorePost (const OutputContext &storeContext, Hash &hash)
	The subclass-specific portion of knobStorePost(). See that method for more info.

Op *	create (Node node, const char name)

Op *	create (const char *name)

HandlesMode	anyInputHandles (ViewerContext *)
	return if any of the inputs (recursively) wish to draw handles More...

HandlesMode	anyKnobHandles (ViewerContext *)
	return if any of the knobs on this node wish to draw handles More...

void	build_input_handles (ViewerContext *)

void	build_knob_handles (ViewerContext *)

void	disallowNoTrees ()
	Call this to tell the op that it should always have op trees for normal behaviour (for internal use)

virtual PrevalidateResult	doPreValidate (ViewerContext ctx=nullptr, PreValidateContext =nullptr)

Protected Attributes
Matrix4	matrix_

Matrix4	concat_matrix_

Iop *	concat_input_

bool	clamp_

bool	black_outside_

bool	concat_clamp_

bool	concat_black_outside_

bool	can_concat

float	_motionblur
	amount of motion blur to do, '1' being heuristically'enough'

ShutterControls	_shutter
	shutter controls for motion blurring

Filter	filter_

Protected Attributes inherited from DD::Image::Iop
ChannelSet	out_channels_
	protected so validate() can directly modify it

int	raw_channels_from_

Protected Attributes inherited from DD::Image::Op
bool	_haveHash
	whether the _hash actually has been set by a call to invalidate(Hash) ever.

bool	_varyingOutputHash
	whether the hash value will animate over time

Hash	_editState
	Op's current edit state, usually the combination of input & knob edit states.

Protected Attributes inherited from DD::Image::IopInfoOwner
Info	info_

Friends
class	TransformI

Additional Inherited Members
Public Types inherited from DD::Image::Op
enum	HandlesMode { eNoHandles, eHandlesUncooked, eHandlesCooked, eHandlesMax }

enum	PrevalidateResult { eFinished, eCancelled, eAbandoned }
	This is a tribool return value. Do not extend.

enum	HandleType { eNone, eMouseLeftClick, eMouseRightClick, eMouseMove, eMouseDrag, eMouseRelease, eSelectionChanged, eSelectionChangeFinished, eHandleDragTranslate, eHandleDragRotate, eHandleDragScale, eHandleDragPivot, eAllHandles }

enum	ViewableModes { eViewableMode2D, eViewableMode3D, eViewableMode3D_2DReference }

enum	GenerateType { OUTPUT_OP, ANY_CONTEXT, INPUT_OP, INPUT_OP_PEEK, EXECUTABLE, EXECUTABLE_SKIP, EXECUTABLE_INPUT, UICONTEXT_ONLY }

enum	NodeContext { eNodeGraph, eTimeline, eOpGraph }

enum	StatusFlags { StatusNone, StatusModal, StatusUseCallback }

enum	PopUpScheme { ePU_Never, ePU_Done, ePU_Once, ePU_Default, ePU_Always }
	Pop-up schemes determine when pop-up messages are displayed for op errors. More...

enum	VersionComponents { eMajor, eMinor, ePoint, eRevision }
	Enum to help get the desired version component from the VersionInfo tuple.

typedef std::pair< int, DD::Image::Op * >	Output
	Combination of input number and pointer to Op.

typedef std::set< Output >	OutputSet
	Set of all outputs from this Op.

typedef std::map< Hash, std::vector< unsigned int > >	ItemSelectionList

typedef bool(	EventCallback) (Op *op, EventContext eventCtx)

using	VersionInfo = std::tuple< int, int, int, int >
	Contains version components with each index defined by the VersionComponents enum.

Public Types inherited from DD::Image::IopInfoOwner
typedef IopInfo	Info

Public Attributes inherited from DD::Image::Op
const MetaData::Bundle *	metaCache

Hash	metaCacheHash

Static Public Attributes inherited from DD::Image::Iop
static bool	sPreserveCaches

Static Public Attributes inherited from DD::Image::Op
static unsigned	current_request_pass

static void(*	node_redraw_cb )(const Op *)

static void(*	print_name_cb )(std::ostream &, const Op *)

static void(*	status_callback )(const Op , float, float, const char , StatusFlags)

static const int	kInvalidVersion

static const VersionInfo	kUnsetVersion

Detailed Description

Transforms the input image by a 4x4 transformation matrix.

Constructor & Destructor Documentation

Transform::Transform ( Node * node = nullptr )

The constructor sets the transformation to the identity matrix.

References _motionblur, and DD::Image::Matrix4::makeIdentity().

Member Function Documentation

bool Transform::degenerate ( )

protected

_validate() calls this when the output image is invisible or otherwise cannot be calculated. It deletes the tp object to indicate this.

References DD::Image::IopInfo::black_outside(), DD::Image::IopInfoOwner::info_, DD::Image::Box::set(), and DD::Image::Op::slowness().

Referenced by _validate().

void Transform::matrixAt	(	const OutputContext &	context,
		Matrix4 &	dest
	)

protectedvirtual

For implementing motion blur, return the matrix at various times. Default version changes the knobs and calls validate(), but a subclass can replace this if there is a faster way.

References matrix(), DD::Image::Op::outputContext(), DD::Image::Op::setKnobsToContext(), and DD::Image::Op::validate().

void Transform::append ( Hash & hash )

overrideprotectedvirtual

Since _validate is fetching out values of knobs at nearby times to do motionblurring, we have to hash those in here, otherwise changing the velocity of the curve without changing its value will not result in the hash changing.

Reimplemented from DD::Image::Op.

References _shutter, DD::Image::Matrix4::append(), DD::Image::ShutterControls::calcOffset(), DD::Image::ShutterControls::getDuration(), matrix(), DD::Image::Op::outputContext(), step(), and DD::Image::Op::validate().

void Transform::_validate ( bool for_real )

overridevirtual

_validate() will combine all adjacent Transform operators into a single one. When you call engine() it will skip the earlier operators, read from the input to the first one (concat_input()), and process by a concatenated transformation matrix (concat_matrix()).

Reimplemented from DD::Image::Iop.

References _motionblur, _shutter, DD::Image::IopInfo::black_outside(), DD::Image::ShutterControls::calcOffset(), DD::Image::IopInfoOwner::channels(), degenerate(), DD::Image::ShutterControls::getDuration(), DD::Image::Box::h(), DD::Image::IopInfoOwner::info(), DD::Image::IopInfoOwner::info_, DD::Image::Iop::input0(), DD::Image::Filter::interpolative(), matrix(), DD::Image::Box::merge(), DD::Image::Box::move(), DD::Image::Op::outputContext(), DD::Image::Box::pad(), DD::Image::Box::set(), DD::Image::Op::slowness(), DD::Image::IopInfoOwner::t(), updateConcat(), DD::Image::Op::validate(), DD::Image::IopInfoOwner::w(), DD::Image::Box::w(), DD::Image::Box::x(), DD::Image::Box::y(), DD::Image::IopInfo::ydirection(), and DD::Image::IopInfoOwner::ydirection().

void Transform::setclip ( const Box & box )

After _validate() is called a subclass can call this to force the Transform to clip the output to a rectangle and put black outside it. The rectangle is exactly 1 pixel inside the passed Box (ie the box includes the black edge). The info() is set to this box. This is used by Reformat.

References DD::Image::IopInfoOwner::info_, and DD::Image::Box::set().

void Transform::setInputsValid ( bool nowValid )

overridevirtual

this needs calling whenever the input pointers change even if they are pointing to equivalent Ops, as the Transform keeps its own pointers to its inputs.

Reimplemented from DD::Image::Op.

References DD::Image::Iop::input(), DD::Image::Op::setInputsValid(), and updateConcat().

void Transform::build_handles ( ViewerContext * ctx )

overridevirtual

draw_handle() will draw the input texture map. We only want this to happen for the first operator, so that if the user has several open at once the texture is only drawn once.

Reimplemented from DD::Image::Iop.

References DD::Image::Op::add_draw_handle(), DD::Image::Op::build_input_handles(), DD::Image::Op::build_knob_handles(), DD::Image::CONNECTED, DD::Image::ViewerContext::connected(), DD::Image::ViewerContext::modelmatrix, DD::Image::Op::node_disabled(), DD::Image::Op::panel_visible(), DD::Image::Op::pushed(), DD::Image::Iop::set_texturemap(), DD::Image::SHOW_OBJECT, DD::Image::SHOW_PUSHED_OBJECT, DD::Image::ViewerContext::transform_mode(), DD::Image::Op::validate(), and DD::Image::VIEWER_2D.

void Transform::draw_handle ( ViewerContext * ctx )

overridevirtual

Draws a rectangle the size of the input format, filled with the input as a texture map if possible.

Reimplemented from DD::Image::Op.

References DD::Image::ViewerContext::display3d(), DD::Image::ViewerContext::draw_lines(), DD::Image::ViewerContext::draw_transparent(), DD::Image::IopInfoOwner::format(), DD::Image::glColor(), DD::Image::IopInfoOwner::info(), DD::Image::ViewerContext::node_color(), DD::Image::IopInfoOwner::r(), DD::Image::Box::r(), DD::Image::Iop::set_texturemap(), DD::Image::style_needs_wireframe(), DD::Image::IopInfoOwner::t(), DD::Image::Box::t(), DD::Image::Iop::unset_texturemap(), DD::Image::Box::x(), and DD::Image::Box::y().

double Transform::mitchell	(	double	b,
		double	c,
		double	x
	)

static

Evaluate a Mitchell filter at position x. This can be used by Nuke to view the filter shapes.

Matrix4 * Transform::matrix ( )

This virtual function should return the matrix used. A subclass can call reset() and then scale, translate, etc to get the matrix wanted and then return Transform::matrix(). You can also skip doing anything and return Transform::matrix() if valid() is true, since you know the matrix has been calculated then.

Referenced by _validate(), append(), matrixAt(), and updateConcat().

bool Transform::transform	(	double	x,
		double	y,
		double &	X,
		double &	Y,
		double &	Z
	)

Transform an input uv position into an output xyw.

Returns false for w <= 0. Such a point is not visible and has no output x/y position. However this version makes a "guess" as to what direction visible pixels that are near uv are and returns very large values for x,y in that direction. This is useful for calculating resulting bounding boxes.

bool Transform::concat_transform	(	double	x,
		double	y,
		double &	X,
		double &	Y,
		double &	Z
	)

Same as transform() but it uses the concatenated matrix, thus transforming coordinates from concat_input(). This only works after validate() has been called.

void DD::Image::Transform::reset ( )

inline

Set the transformation to the identity.

References DD::Image::Matrix4::makeIdentity().

void DD::Image::Transform::multiply ( const Matrix4 & m )

inline

Transform further by an arbitrary transformation matrix. Like OpenGL all transformation operations are done by post-multiply, so this transformation is applied in the object's space. For instance a rotate(1) followed by a translate(1,0) will move the center of the object along a diagonal line.

void Transform::rotateX ( float radians )

inline

Rotate about x (top towards camera) by angle radians.

References DD::Image::Matrix4::rotateX().

void Transform::rotateY ( float radians )

inline

Rotate about y (left edge towards camera) by angle radians.

References DD::Image::Matrix4::rotateY().

void Transform::rotateZ ( float radians )

inline

Rotate about z (counter-clockwise) by angle radians.

References DD::Image::Matrix4::rotateZ().

int Transform::filter ( ) const

inline

Set what filter to use. This is an index into a table presented to the user in the Nuke GUI. Index 0 is impulse, index 1 is our default filter (Cubic). Others are not defined and may change at any time.

Return the current filter type.

void DD::Image::Transform::clamp ( bool v )

inline

If true then any negative intermediate results are set to zero. This can improve the results from high-contrast images and filters with negative lobes if you know nothing in the input is negative, by deleting a lot of the ringing in black areas.

The default value is false.

void DD::Image::Transform::black_outside ( bool v )

inline

If true the transform will act as though any data outside the incoming bounding box is black. It will also produce an alpha channel if there is none in the input.

If this is false, Transform will replicate the pixels outside the bounding box instead. This will prevent any antialiasing on the edge. This is used by the Reformat operator, and may be useful for tile or camera shake type operators.

The default value is true.

unsigned Transform::node_color ( ) const

overridevirtual

All transform operators default to a purpleish color.

Reimplemented from DD::Image::Op.

const Matrix4 & DD::Image::Transform::concat_matrix ( ) const

inline

After _validate() is done, this returns the transformation between the concat_input() and the output of this operator.

Referenced by updateConcat().

Iop * DD::Image::Transform::concat_input ( ) const

inline

After _validate() is done this returns the operator that input will actually be read from.

Referenced by updateConcat().

void Transform::filter_knobs ( Knob_Callback cb )

Subclasses should call this to insert a filter-selection control into their control panels. This adds the "filter type" and "clamp" controls.

References DD::Image::Bool_knob(), DD::Image::Filter::knobs(), DD::Image::Knob::NODEGRAPH_ONLY, DD::Image::Knob::set_flag(), DD::Image::SetFlags(), and DD::Image::Tooltip().

Referenced by knobs().

void Transform::motionblur_knobs ( Knob_Callback cb )

Adds the motionblur amount and shutter knobs

do the shutter controls

References _motionblur, _shutter, DD::Image::Float_knob(), DD::Image::ShutterControls::knobs(), DD::Image::Knob::NODEGRAPH_ONLY, DD::Image::Knob::set_flag(), DD::Image::SetFlags(), and DD::Image::Tooltip().

Referenced by knobs().

void Transform::knobs ( Knob_Callback cb )

overridevirtual

Does filter_knobs, adds the "black outside" knob, and does motionblur_knobs()

Reimplemented from DD::Image::Op.

References DD::Image::Bool_knob(), filter_knobs(), motionblur_knobs(), DD::Image::Knob::NODEGRAPH_ONLY, DD::Image::Obsolete_knob(), DD::Image::SetFlags(), and DD::Image::Tooltip().

float Transform::motionBlurSample	(	int	x,
		int	y,
		RowCacheTile &	i,
		ChannelMask	iChannels,
		Pixel &	out
	)

Do motion blurring for the pixel, returns the guestimated path length of the sample

References DD::Image::RowCacheTile::at(), fast_floor(), DD::Image::Op::hash(), DD::Image::IopInfoOwner::info(), MIN(), DD::Image::p_random(), DD::Image::Box::r(), DD::Image::Box::t(), DD::Image::IopInfoOwner::w(), DD::Image::Box::x(), and DD::Image::Box::y().

void Transform::sample	(	const Vector2 &	center,
		const Vector2 &	dU,
		const Vector2 &	dV,
		Filter *	filter,
		Pixel &	out
	)

overridevirtual

Texture filtering function. Disables motion blur!

Reimplemented from DD::Image::Iop.

References DD::Image::Op::aborted(), DD::Image::Filter::Coefficients::array, DD::Image::Iop::at(), DD::Image::Filter::Coefficients::count, DD::Image::Filter::Coefficients::delta, DD::Image::Filter::Coefficients::first, DD::Image::Filter::get(), DD::Image::IopInfoOwner::info(), DD::Image::Filter::Coefficients::normalize, DD::Image::Box::r(), DD::Image::Iop::sample(), DD::Image::Box::t(), DD::Image::IopInfoOwner::x(), DD::Image::Box::x(), and DD::Image::Box::y().

Referenced by sample().

void Transform::sample	(	float	cx,
		float	cy,
		float	w,
		float	h,
		Filter *	filter,
		Pixel &	out
	)

overridevirtual

Disables motion blur!

Reimplemented from DD::Image::Iop.

References sample(), and DD::Image::Iop::sample().

bool Transform::set_texturemap	(	ViewerContext *	ctx,
		bool	gl
	)

overridevirtual

Uses the input's texture map, but changes the OpenGL texture matrix to show it correctly translated.

Reimplemented from DD::Image::Iop.

References DD::Image::Matrix4::array(), and DD::Image::Iop::set_texturemap().

Public Member Functions

Static Public Member Functions

Protected Member Functions

Protected Attributes

Friends

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Detailed Description

Constructor & Destructor Documentation

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