/*
* xfdesktop - xfce4 ' s desktop manager
*
* Copyright ( c ) 2004 , 2024 Brian Tarricone , < brian @ tarricone . org >
*
* This program is free software ; you can redistribute it and / or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation ; either version 2 of the License , or
* ( at your option ) any later version .
*
* This program 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 Library General Public License for more details .
*
* You should have received a copy of the GNU General Public License
* along with this program ; if not , write to the Free Software Foundation ,
* Inc . , 51 Franklin Street , Fifth Floor , Boston , MA 02110 - 1301 , USA
*
* Random portions taken from or inspired by the original xfdesktop for xfce4 :
* Copyright ( C ) 2002 - 2003 Jasper Huijsmans ( huysmans @ users . sourceforge . net )
* Copyright ( C ) 2003 Benedikt Meurer < benedikt . meurer @ unix - ag . uni - siegen . de >
*/
#ifndef __XFDESKTOP_BACKDROP_RENDERER_H__
#define __XFDESKTOP_BACKDROP_RENDERER_H__
#include <gdk/gdk.h>
#include "xfdesktop-common.h"
G_BEGIN_DECLS
/**
* RenderCompleteCallback :
* @ surface : ( transfer full ) : surface , or % NULL
* @ width : width of surface , or - 1
* @ height : height of surface , or - 1
* @ error : error , or % NULL
* @ user_data : user data passed to function
*
* Both @ surface and @ error can be non - % NULL ; in this case there was a failure
* loading an image from disk , but @ surface still contains a color / gradient to
* use as a fallback .
*
* If @ error is % G_IO_ERROR_CANCELLED , @ surface will always be % NULL .
**/
typedef void (*RenderCompleteCallback)(cairo_surface_t *surface,
gint width,
gint height,
GError *error,
gpointer user_data);
void xfdesktop_backdrop_render(GCancellable *cancellable,
XfceBackdropColorStyle color_style,
GdkRGBA *color1,
GdkRGBA *color2,
XfceBackdropImageStyle image_style,
GFile *image_file,
gint width,
gint height,
RenderCompleteCallback callback,
gpointer callback_user_data);
G_END_DECLS
#endif /* __XFDESKTOP_BACKDROP_RENDERER_H__ */
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