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02b69e4d76
GCC has some optimization for the inclusion guard, but they only work if the check is the outermost one. We're fairly inconsistent because of historical reasons, so we should ensure that we follow the same pattern in every public header.
62 lines
1.9 KiB
C
62 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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#ifndef __CLUTTER_CAIRO_H__
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#define __CLUTTER_CAIRO_H__
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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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#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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* Since: 1.8
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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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CLUTTER_AVAILABLE_IN_1_12
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void clutter_cairo_clear (cairo_t *cr);
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CLUTTER_AVAILABLE_IN_1_0
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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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