Inkscape: Inkscape::Filters::FilterSlot Class Reference

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#include <nr-filter-slot.h>

Public Member Functions
	FilterSlot (DrawingContext *bgdc, DrawingContext &graphic, FilterUnits const &units, RenderContext &rc, int blurquality)
	Creates a new FilterSlot object.

	~FilterSlot ()
	Destroys the FilterSlot object and all its contents.

cairo_surface_t *	getcairo (int slot)
	Returns the pixblock in specified slot.

void	set (int slot, cairo_surface_t *s)
	Sets or re-sets the pixblock associated with given slot.

cairo_surface_t *	get_result (int slot_nr)

void	set_primitive_area (int slot, Geom::Rect &area)

Geom::Rect	get_primitive_area (int slot) const

int	get_slot_count () const
	Returns the number of slots in use.

int	get_blurquality () const
	Gets the gaussian filtering quality.

int	get_device_scale () const
	Gets the device scale; for high DPI monitors.

FilterUnits const &	get_units () const

Geom::Rect	get_slot_area () const

RenderContext &	get_rendercontext () const

Private Types
using	SlotMap = std::map< int, cairo_surface_t * >

using	PrimitiveAreaMap = std::map< int, Geom::Rect >

Private Member Functions
cairo_surface_t *	_get_transformed_source_graphic () const

cairo_surface_t *	_get_transformed_background () const

cairo_surface_t *	_get_fill_paint () const

cairo_surface_t *	_get_stroke_paint () const

void	_set_internal (int slot, cairo_surface_t *s)

Private Attributes
SlotMap	_slots

PrimitiveAreaMap	_primitiveAreas

int	_slot_w

int	_slot_h

double	_slot_x

double	_slot_y

cairo_surface_t *	_source_graphic

cairo_t *	_background_ct

Geom::IntRect	_source_graphic_area

Geom::IntRect	_background_area
	needed to extract background

FilterUnits const &	_units

int	_last_out

int	_blurquality

int	device_scale

RenderContext &	rc

Detailed Description

Definition at line 34 of file nr-filter-slot.h.

Member Typedef Documentation

◆ PrimitiveAreaMap

using Inkscape::Filters::FilterSlot::PrimitiveAreaMap = std::map<int, Geom::Rect>

private

Definition at line 82 of file nr-filter-slot.h.

◆ SlotMap

using Inkscape::Filters::FilterSlot::SlotMap = std::map<int, cairo_surface_t *>

private

Definition at line 78 of file nr-filter-slot.h.

Constructor & Destructor Documentation

◆ FilterSlot()

Inkscape::Filters::FilterSlot::FilterSlot	(	DrawingContext *	bgdc,
		DrawingContext &	graphic,
		FilterUnits const &	units,
		RenderContext &	rc,
		int	blurquality
	)

Creates a new FilterSlot object.

Definition at line 30 of file nr-filter-slot.cpp.

References _slot_h, _slot_w, _slot_x, _slot_y, _source_graphic_area, _units, Inkscape::Filters::FilterUnits::get_matrix_display2pb(), Geom::GenericRect< C >::height(), Geom::Affine::isTranslation(), Geom::GenericRect< C >::min(), Inkscape::DrawingContext::targetLogicalBounds(), Geom::GenericRect< C >::width(), Geom::X, and Geom::Y.

◆ ~FilterSlot()

Inkscape::Filters::FilterSlot::~FilterSlot ( )

Destroys the FilterSlot object and all its contents.

Definition at line 60 of file nr-filter-slot.cpp.

References _slots.

Member Function Documentation

◆ _get_fill_paint()

cairo_surface_t * Inkscape::Filters::FilterSlot::_get_fill_paint ( ) const

private

◆ _get_stroke_paint()

cairo_surface_t * Inkscape::Filters::FilterSlot::_get_stroke_paint ( ) const

private

◆ _get_transformed_background()

cairo_surface_t * Inkscape::Filters::FilterSlot::_get_transformed_background ( ) const

private

Definition at line 162 of file nr-filter-slot.cpp.

References _background_area, _background_ct, _slot_h, _slot_w, _slot_x, _slot_y, _units, device_scale, Inkscape::Filters::FilterUnits::get_matrix_display2pb(), ink_cairo_transform(), Geom::GenericRect< C >::left(), and Geom::GenericRect< C >::top().

Referenced by getcairo().

◆ _get_transformed_source_graphic()

cairo_surface_t * Inkscape::Filters::FilterSlot::_get_transformed_source_graphic ( ) const

private

Definition at line 137 of file nr-filter-slot.cpp.

References _slot_h, _slot_w, _slot_x, _slot_y, _source_graphic, _source_graphic_area, _units, Inkscape::Filters::FilterUnits::get_matrix_display2pb(), ink_cairo_transform(), Geom::Affine::isTranslation(), Geom::GenericRect< C >::left(), and Geom::GenericRect< C >::top().

Referenced by getcairo().

◆ _set_internal()

void Inkscape::Filters::FilterSlot::_set_internal	(	int	slot,
		cairo_surface_t *	s
	)

private

Definition at line 217 of file nr-filter-slot.cpp.

References _slots, and surface.

Referenced by getcairo(), and set().

◆ get_blurquality()

int Inkscape::Filters::FilterSlot::get_blurquality ( ) const

inline

Gets the gaussian filtering quality.

Affects used interpolation methods

Definition at line 67 of file nr-filter-slot.h.

References _blurquality.

Referenced by Inkscape::Filters::FilterGaussian::render_cairo().

◆ get_device_scale()

int Inkscape::Filters::FilterSlot::get_device_scale ( ) const

inline

Gets the device scale; for high DPI monitors.

Definition at line 70 of file nr-filter-slot.h.

References device_scale.

Referenced by Inkscape::Filters::FilterDiffuseLighting::render_cairo(), Inkscape::Filters::FilterDisplacementMap::render_cairo(), Inkscape::Filters::FilterGaussian::render_cairo(), Inkscape::Filters::FilterImage::render_cairo(), Inkscape::Filters::FilterMorphology::render_cairo(), and Inkscape::Filters::FilterSpecularLighting::render_cairo().

◆ get_primitive_area()

Geom::Rect Inkscape::Filters::FilterSlot::get_primitive_area ( int slot ) const

Definition at line 250 of file nr-filter-slot.cpp.

References _last_out, _primitiveAreas, _units, Inkscape::Filters::FilterUnits::get_filter_area(), and Inkscape::Filters::NR_FILTER_SLOT_NOT_SET.

Referenced by Inkscape::Filters::FilterTile::render_cairo().

◆ get_rendercontext()

RenderContext & Inkscape::Filters::FilterSlot::get_rendercontext ( ) const

inline

Definition at line 75 of file nr-filter-slot.h.

References rc.

Referenced by Inkscape::Filters::FilterImage::render_cairo().

◆ get_result()

cairo_surface_t * Inkscape::Filters::FilterSlot::get_result ( int slot_nr )

Definition at line 189 of file nr-filter-slot.cpp.

References _slot_x, _slot_y, _source_graphic, _source_graphic_area, _units, copy_cairo_surface_ci(), Inkscape::Filters::FilterUnits::get_matrix_pb2display(), getcairo(), Geom::GenericRect< C >::height(), ink_cairo_transform(), Geom::Affine::isIdentity(), Geom::GenericRect< C >::left(), result, Geom::GenericRect< C >::top(), and Geom::GenericRect< C >::width().

◆ get_slot_area()

Geom::Rect Inkscape::Filters::FilterSlot::get_slot_area ( ) const

Definition at line 263 of file nr-filter-slot.cpp.

References _slot_h, _slot_w, _slot_x, _slot_y, and Geom::GenericRect< Coord >::from_xywh().

Referenced by Inkscape::Filters::FilterDiffuseLighting::render_cairo(), Inkscape::Filters::FilterFlood::render_cairo(), Inkscape::Filters::FilterImage::render_cairo(), Inkscape::Filters::FilterSpecularLighting::render_cairo(), Inkscape::Filters::FilterTile::render_cairo(), and Inkscape::Filters::FilterTurbulence::render_cairo().

◆ get_slot_count()

int Inkscape::Filters::FilterSlot::get_slot_count ( ) const

inline

Returns the number of slots in use.

Definition at line 64 of file nr-filter-slot.h.

References _slots.

◆ get_units()

FilterUnits const & Inkscape::Filters::FilterSlot::get_units ( ) const

inline

Definition at line 72 of file nr-filter-slot.h.

References _units.

◆ getcairo()

cairo_surface_t * Inkscape::Filters::FilterSlot::getcairo ( int slot )

Returns the pixblock in specified slot.

Parameter 'slot' may be either an positive integer or one of pre-defined filter slot types: NR_FILTER_SLOT_NOT_SET, NR_FILTER_SOURCEGRAPHIC, NR_FILTER_SOURCEALPHA, NR_FILTER_BACKGROUNDIMAGE, NR_FILTER_BACKGROUNDALPHA, NR_FILTER_FILLPAINT, NR_FILTER_SOURCEPAINT.

Definition at line 67 of file nr-filter-slot.cpp.

References _get_transformed_background(), _get_transformed_source_graphic(), _last_out, _set_internal(), _slot_h, _slot_w, _slots, _source_graphic, getcairo(), ink_cairo_extract_alpha(), Inkscape::Filters::NR_FILTER_BACKGROUNDALPHA, Inkscape::Filters::NR_FILTER_BACKGROUNDIMAGE, Inkscape::Filters::NR_FILTER_FILLPAINT, Inkscape::Filters::NR_FILTER_SLOT_NOT_SET, Inkscape::Filters::NR_FILTER_SOURCEALPHA, Inkscape::Filters::NR_FILTER_SOURCEGRAPHIC, Inkscape::Filters::NR_FILTER_STROKEPAINT, set_cairo_surface_ci(), and SP_CSS_COLOR_INTERPOLATION_SRGB.

◆ set()

void Inkscape::Filters::FilterSlot::set	(	int	slot,
		cairo_surface_t *	s
	)

Sets or re-sets the pixblock associated with given slot.

If there was a pixblock already assigned with this slot, that pixblock is destroyed.

Definition at line 231 of file nr-filter-slot.cpp.

References _last_out, _set_internal(), Inkscape::Filters::NR_FILTER_SLOT_NOT_SET, Inkscape::Filters::NR_FILTER_UNNAMED_SLOT, and surface.

◆ set_primitive_area()

void Inkscape::Filters::FilterSlot::set_primitive_area	(	int	slot,
		Geom::Rect &	area
	)

Definition at line 242 of file nr-filter-slot.cpp.

References _primitiveAreas, Inkscape::Filters::NR_FILTER_SLOT_NOT_SET, and Inkscape::Filters::NR_FILTER_UNNAMED_SLOT.

Referenced by Inkscape::Filters::FilterComposite::render_cairo(), Inkscape::Filters::FilterMerge::render_cairo(), Inkscape::Filters::FilterImage::render_cairo(), and Inkscape::Filters::FilterOffset::render_cairo().

Member Data Documentation

◆ _background_area

Geom::IntRect Inkscape::Filters::FilterSlot::_background_area

private

needed to extract background

Definition at line 90 of file nr-filter-slot.h.

Referenced by _get_transformed_background().

◆ _background_ct

cairo_t* Inkscape::Filters::FilterSlot::_background_ct

private

Definition at line 88 of file nr-filter-slot.h.

Referenced by _get_transformed_background().

◆ _blurquality

int Inkscape::Filters::FilterSlot::_blurquality

private

Definition at line 93 of file nr-filter-slot.h.

Referenced by get_blurquality().

◆ _last_out

int Inkscape::Filters::FilterSlot::_last_out

private

Definition at line 92 of file nr-filter-slot.h.

Referenced by get_primitive_area(), getcairo(), and set().

◆ _primitiveAreas

PrimitiveAreaMap Inkscape::Filters::FilterSlot::_primitiveAreas

private

Definition at line 83 of file nr-filter-slot.h.

Referenced by get_primitive_area(), and set_primitive_area().

◆ _slot_h

int Inkscape::Filters::FilterSlot::_slot_h

private

Definition at line 85 of file nr-filter-slot.h.

Referenced by _get_transformed_background(), _get_transformed_source_graphic(), FilterSlot(), get_slot_area(), and getcairo().

◆ _slot_w

int Inkscape::Filters::FilterSlot::_slot_w

private

Definition at line 85 of file nr-filter-slot.h.

Referenced by _get_transformed_background(), _get_transformed_source_graphic(), FilterSlot(), get_slot_area(), and getcairo().

◆ _slot_x

double Inkscape::Filters::FilterSlot::_slot_x

private

Definition at line 86 of file nr-filter-slot.h.

Referenced by _get_transformed_background(), _get_transformed_source_graphic(), FilterSlot(), get_result(), and get_slot_area().

◆ _slot_y

double Inkscape::Filters::FilterSlot::_slot_y

private

Definition at line 86 of file nr-filter-slot.h.

Referenced by _get_transformed_background(), _get_transformed_source_graphic(), FilterSlot(), get_result(), and get_slot_area().

◆ _slots

SlotMap Inkscape::Filters::FilterSlot::_slots

private

Definition at line 79 of file nr-filter-slot.h.

Referenced by _set_internal(), get_slot_count(), getcairo(), and ~FilterSlot().

◆ _source_graphic

cairo_surface_t* Inkscape::Filters::FilterSlot::_source_graphic

private

Definition at line 87 of file nr-filter-slot.h.

Referenced by _get_transformed_source_graphic(), get_result(), and getcairo().

◆ _source_graphic_area

Geom::IntRect Inkscape::Filters::FilterSlot::_source_graphic_area

private

Definition at line 89 of file nr-filter-slot.h.

Referenced by _get_transformed_source_graphic(), FilterSlot(), and get_result().

◆ _units

FilterUnits const& Inkscape::Filters::FilterSlot::_units

private

Definition at line 91 of file nr-filter-slot.h.

Referenced by _get_transformed_background(), _get_transformed_source_graphic(), FilterSlot(), get_primitive_area(), get_result(), and get_units().

◆ device_scale

int Inkscape::Filters::FilterSlot::device_scale

private

Definition at line 94 of file nr-filter-slot.h.

Referenced by _get_transformed_background(), and get_device_scale().

◆ rc

RenderContext& Inkscape::Filters::FilterSlot::rc

private

Definition at line 95 of file nr-filter-slot.h.

Referenced by get_rendercontext().

The documentation for this class was generated from the following files:

/builds/inkscape/inkscape/src/display/nr-filter-slot.h
/builds/inkscape/inkscape/src/display/nr-filter-slot.cpp

Public Member Functions

Private Types

Private Member Functions

Private Attributes

Detailed Description

Member Typedef Documentation

◆ PrimitiveAreaMap

◆ SlotMap

Constructor & Destructor Documentation

◆ FilterSlot()

◆ ~FilterSlot()

Member Function Documentation

◆ _get_fill_paint()

◆ _get_stroke_paint()

◆ _get_transformed_background()

◆ _get_transformed_source_graphic()

◆ _set_internal()

◆ get_blurquality()

◆ get_device_scale()

◆ get_primitive_area()

◆ get_rendercontext()

◆ get_result()

◆ get_slot_area()

◆ get_slot_count()

◆ get_units()

◆ getcairo()

◆ set()

◆ set_primitive_area()

Member Data Documentation

◆ _background_area

◆ _background_ct

◆ _blurquality

◆ _last_out

◆ _primitiveAreas

◆ _slot_h

◆ _slot_w

◆ _slot_x

◆ _slot_y

◆ _slots

◆ _source_graphic

◆ _source_graphic_area

◆ _units

◆ device_scale

◆ rc