Learning_GTK4_tree/gsk/gskcairoblurprivate.h

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2023-12-12 11:36:42 +01:00
/*
* 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>
*
*/
#pragma once
#include <gdk/gdk.h>
#include <cairo.h>
G_BEGIN_DECLS
typedef enum {
GSK_BLUR_NONE = 0,
GSK_BLUR_X = 1<<0,
GSK_BLUR_Y = 1<<1,
GSK_BLUR_REPEAT = 1<<2
} GskBlurFlags;
void gsk_cairo_blur_surface (cairo_surface_t *surface,
double radius,
GskBlurFlags flags);
int gsk_cairo_blur_compute_pixels (double radius) G_GNUC_CONST;
cairo_t * gsk_cairo_blur_start_drawing (cairo_t *cr,
float radius,
GskBlurFlags blur_flags);
cairo_t * gsk_cairo_blur_finish_drawing (cairo_t *cr,
float radius,
const GdkRGBA *color,
GskBlurFlags blur_flags);
G_END_DECLS