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e9fb8ad1f7
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
39 lines
1.3 KiB
C
39 lines
1.3 KiB
C
/*
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* Copyright (C) 2012 Canonical Ltd
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free
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* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
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* MA 02110-1301, USA.
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*
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* Authored by Andrea Cimitan <andrea.cimitan@canonical.com>
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* Original code from Mirco Mueller <mirco.mueller@canonical.com>
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*
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*/
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#ifndef _GTK_CAIRO_BLUR_H
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#define _GTK_CAIRO_BLUR_H
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#include <glib.h>
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#include <cairo.h>
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G_BEGIN_DECLS
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void _gtk_cairo_blur_surface (cairo_surface_t *surface,
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double radius);
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int _gtk_cairo_blur_compute_pixels (double radius);
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G_END_DECLS
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#endif /* _GTK_CAIRO_BLUR_H */
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