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60 lines
1.9 KiB
C
60 lines
1.9 KiB
C
/*
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* Clutter.
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*
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* An OpenGL based 'interactive canvas' library.
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*
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* Copyright (C) 2012 Intel Corporation
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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, see <http://www.gnu.org/licenses/>.
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*/
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#if !defined(__CLUTTER_H_INSIDE__) && !defined(CLUTTER_COMPILATION)
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#error "Only <clutter/clutter.h> can be included directly."
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#endif
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#ifndef __CLUTTER_CAIRO_H__
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#define __CLUTTER_CAIRO_H__
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#include <clutter/clutter-types.h>
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G_BEGIN_DECLS
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/**
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* CLUTTER_CAIRO_FORMAT_ARGB32:
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*
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* The #CoglPixelFormat to be used when uploading image data from
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* and to a Cairo image surface using %CAIRO_FORMAT_ARGB32 and
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* %CAIRO_FORMAT_RGB24 as #cairo_format_t.
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*
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*
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*/
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/* Cairo stores the data in native byte order as ARGB but Cogl's pixel
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* formats specify the actual byte order. Therefore we need to use a
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* different format depending on the architecture
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*/
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#if G_BYTE_ORDER == G_LITTLE_ENDIAN
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#define CLUTTER_CAIRO_FORMAT_ARGB32 (COGL_PIXEL_FORMAT_BGRA_8888_PRE)
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#else
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#define CLUTTER_CAIRO_FORMAT_ARGB32 (COGL_PIXEL_FORMAT_ARGB_8888_PRE)
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#endif
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void clutter_cairo_clear (cairo_t *cr);
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void clutter_cairo_set_source_color (cairo_t *cr,
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const ClutterColor *color);
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G_END_DECLS
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#endif /* __CLUTTER_CAIRO_H__ */
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