gtk2/gtk/gtkcairoblurprivate.h
Benjamin Otte e9fb8ad1f7 css: Fix computation of pixels occupied by blur radius
These computations were done randomly in lots of places and more often
than not, they were also wrong.
This function was copied (with docs) from Firefox:
  http://lxr.mozilla.org/mozilla-central/source/gfx/2d/Blur.cpp

https://bugzilla.gnome.org/show_bug.cgi?id=723159
2014-02-03 21:38:16 +01:00

39 lines
1.3 KiB
C

/*
* Copyright (C) 2012 Canonical Ltd
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
* MA 02110-1301, USA.
*
* Authored by Andrea Cimitan <andrea.cimitan@canonical.com>
* Original code from Mirco Mueller <mirco.mueller@canonical.com>
*
*/
#ifndef _GTK_CAIRO_BLUR_H
#define _GTK_CAIRO_BLUR_H
#include <glib.h>
#include <cairo.h>
G_BEGIN_DECLS
void _gtk_cairo_blur_surface (cairo_surface_t *surface,
double radius);
int _gtk_cairo_blur_compute_pixels (double radius);
G_END_DECLS
#endif /* _GTK_CAIRO_BLUR_H */