SurfaceSynth Struct Reference

#include <cairo-templates.h>

Inherited by Inkscape::Filters::ConvolveMatrix< preserve_alpha >, Inkscape::Filters::DiffuseLight, and Inkscape::Filters::SpecularLight.

Public Member Functions
	SurfaceSynth (cairo_surface_t *surface)
guint32	pixelAt (int x, int y) const
guint32	alphaAt (int x, int y) const
guint32	pixelAt (double x, double y) const
guint32	alphaAt (double x, double y) const
NR::Fvector	surfaceNormalAt (int x, int y, double scale) const

Public Attributes
unsigned char *	_px
int	_w
int	_h
int	_stride
bool	_alpha

Detailed Description

Definition at line 224 of file cairo-templates.h.

Constructor & Destructor Documentation

SurfaceSynth()

SurfaceSynth::SurfaceSynth ( cairo_surface_t *  surface )

inline

Definition at line 225 of file cairo-templates.h.

References surface.

Member Function Documentation

alphaAt() [1/2]

guint32 SurfaceSynth::alphaAt ( double  x, double  y  ) const

inline

Definition at line 293 of file cairo-templates.h.

References _alpha, _px, _stride, floor(), and result.

alphaAt() [2/2]

guint32 SurfaceSynth::alphaAt ( int  x, int  y  ) const

inline

Definition at line 244 of file cairo-templates.h.

References _alpha, _px, and _stride.

Referenced by pixelAt(), and surfaceNormalAt().

pixelAt() [1/2]

guint32 SurfaceSynth::pixelAt ( double  x, double  y  ) const

inline

Definition at line 256 of file cairo-templates.h.

References _alpha, _px, _stride, alphaAt(), floor(), result, and shift().

pixelAt() [2/2]

guint32 SurfaceSynth::pixelAt ( int  x, int  y  ) const

inline

Definition at line 235 of file cairo-templates.h.

References _alpha, _px, and _stride.

surfaceNormalAt()

NR::Fvector SurfaceSynth::surfaceNormalAt ( int  x, int  y, double  scale  ) const

inline

Definition at line 318 of file cairo-templates.h.

References _h, _w, alphaAt(), NR::normalize_vector(), and scale.

Member Data Documentation

_alpha

bool SurfaceSynth::_alpha

Definition at line 461 of file cairo-templates.h.

Referenced by alphaAt(), alphaAt(), pixelAt(), and pixelAt().

_h

int SurfaceSynth::_h

Definition at line 460 of file cairo-templates.h.

Referenced by surfaceNormalAt().

_px

unsigned char* SurfaceSynth::_px

Definition at line 459 of file cairo-templates.h.

Referenced by alphaAt(), alphaAt(), pixelAt(), and pixelAt().

_stride

int SurfaceSynth::_stride

Definition at line 460 of file cairo-templates.h.

Referenced by alphaAt(), alphaAt(), pixelAt(), and pixelAt().

_w

int SurfaceSynth::_w

Definition at line 460 of file cairo-templates.h.

Referenced by surfaceNormalAt().

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The documentation for this struct was generated from the following file:

• /builds/inkscape/inkscape/src/display/cairo-templates.h