synfig::CairoSurface::alpha_pen Class Reference

Alpha-Blending Pen. More...

#include <surface.h>

Public Member Functions
	alpha_pen ()
	alpha_pen (const etl::alpha_pen< etl::generic_pen< CairoColor, CairoColorAccumulator >, float, _BlendFunc< CairoColor > > &x)
	alpha_pen (const etl::generic_pen< CairoColor, CairoColorAccumulator > &pen, const float &a=1, const _BlendFunc< CairoColor > &func=_BlendFunc< CairoColor >())
void	set_blend_method (Color::BlendMethod method)
	Sets the blend method to that described by method.
Color::BlendMethod	get_blend_method () const
	Returns the blend method being used for this pen.

Detailed Description

Alpha-Blending Pen.

This pen works like a normal alpha pen, except that it supports a variety of blending methods. Use set_blend_method() to select which blending method you want to use. The default blending method is Color::BLEND_COMPOSITE.

See Also

Color::BlendMethod

Constructor & Destructor Documentation

synfig::CairoSurface::alpha_pen::alpha_pen ( )

inline

synfig::CairoSurface::alpha_pen::alpha_pen ( const etl::alpha_pen< etl::generic_pen< CairoColor, CairoColorAccumulator >, float, _BlendFunc< CairoColor > > &  x )

inline

synfig::CairoSurface::alpha_pen::alpha_pen ( const etl::generic_pen< CairoColor, CairoColorAccumulator > &  pen, const float &  a = 1, const _BlendFunc< CairoColor > &  func = _BlendFunc<CairoColor>()  )

inline

Member Function Documentation

void synfig::CairoSurface::alpha_pen::set_blend_method ( Color::BlendMethod  method )

inline

Sets the blend method to that described by method.

Color::BlendMethod synfig::CairoSurface::alpha_pen::get_blend_method ( ) const

inline

Returns the blend method being used for this pen.

Referenced by synfig::CairoSurface::blit_to().

---

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

• surface.h