cairo_operators.h File Reference

Helper functions that use Cairo operators to do Synfig blending. More...

#include "color.h"
#include "cairo.h"

Go to the source code of this file.

Functions
void	cairo_paint_with_alpha_operator (cairo_t *cr, float alpha, synfig::Color::BlendMethod method)
void	cairo_copy_surface (cairo_surface_t *source, cairo_surface_t *dest, float alpha=1.0)
cairo_surface_t *	cairo_copy_target_image (cairo_surface_t *target, float alpha=1.0)
void	cairo_surface_mask_alpha (cairo_surface_t *image, float alpha)

Detailed Description

Helper functions that use Cairo operators to do Synfig blending.

$Id$

Function Documentation

void cairo_paint_with_alpha_operator	(	cairo_t *	cr,
		float	alpha,
		synfig::Color::BlendMethod	method
	)

References synfig::error(), synfig::CairoSurface::map_cairo_image(), matrix, synfig::CairoColor::premult_alpha(), and synfig::CairoSurface::unmap_cairo_image().

Referenced by Blur_Layer::accelerated_cairorender(), synfig::Layer_Duplicate::accelerated_cairorender(), synfig::Layer_SolidColor::accelerated_cairorender(), Layer_Shade::accelerated_cairorender(), SimpleCircle::accelerated_cairorender(), CheckerBoard::accelerated_cairorender(), Rectangle::accelerated_cairorender(), ConicalGradient::accelerated_cairorender(), SpiralGradient::accelerated_cairorender(), RadialGradient::accelerated_cairorender(), synfig::Layer_Bitmap::accelerated_cairorender(), LinearGradient::accelerated_cairorender(), CurveGradient::accelerated_cairorender(), synfig::Layer_Shape::accelerated_cairorender(), Circle::accelerated_cairorender(), Plant::accelerated_cairorender(), Layer_Freetype::accelerated_cairorender(), and synfig::Layer_PasteCanvas::accelerated_cairorender().

void cairo_copy_surface	(	cairo_surface_t *	source,
		cairo_surface_t *	dest,
		float	alpha = 1.0
	)

Referenced by cairo_copy_target_image().

cairo_surface_t* cairo_copy_target_image	(	cairo_surface_t *	target,
		float	alpha = 1.0
	)

References cairo_copy_surface().

void cairo_surface_mask_alpha	(	cairo_surface_t *	image,
		float	alpha
	)