/usr/include/gegl-0.3/sc/sc-common.h is in libgegl-dev 0.3.8-4.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 | /*
* This file is an image processing operation for GEGL
* sc-common.h
* Copyright (C) 2012 Barak Itkin <lightningismyname@gmail.com>
*
* 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 3 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef __GEGL_SC_COMMON_H__
#define __GEGL_SC_COMMON_H__
#include <poly2tri-c/refine/refine.h>
#include <gegl.h>
/**
* The name of the Babl type used for working on colors.
* WARNING: THE CODE ASSUMES THAT NO MATTER WHAT THE FORMAT IS, THE
* ALPHA CHANNEL IS ALWAYS LAST. DO NOT CHANGE THIS WITHOUT UPDATING
* THE REST OF THE CODE!
*/
#define GEGL_SC_COLOR_BABL_NAME "R'G'B'A float"
/**
* The type used for individual color channels. Note that this should
* never be used directly - you must get a pointer to this type using
* the allocation macros below!
*/
typedef gfloat GeglScColor;
/**
* The amount of channels per color
*/
#define GEGL_SC_COLORA_CHANNEL_COUNT 4
#define GEGL_SC_COLOR_CHANNEL_COUNT ((GEGL_SC_COLORA_CHANNEL_COUNT) - 1)
#define gegl_sc_color_new() (g_new (GeglScColor, GEGL_SC_COLORA_CHANNEL_COUNT))
#define gegl_sc_color_free(mem) (g_free (mem))
/**
* The index of the alpha channel in the color
*/
#define GEGL_SC_COLOR_ALPHA_INDEX GEGL_SC_COLOR_CHANNEL_COUNT
/**
* Apply a macro once for each non-alpha color channel, with the
* channel index as an input
*/
#define gegl_sc_color_process() \
G_STMT_START \
{ \
gegl_sc_color_expr(0); \
gegl_sc_color_expr(1); \
gegl_sc_color_expr(2); \
} \
G_STMT_END
typedef struct {
GeglBuffer *bg;
GeglRectangle bg_rect;
GeglBuffer *fg;
GeglRectangle fg_rect;
gint xoff;
gint yoff;
gboolean render_bg;
} GeglScRenderInfo;
#define gegl_sc_point_in_rectangle(px, py, rect) \
( ((px) >= (rect)->x) \
&& ((py) >= (rect)->y) \
&& ((px) < (rect)->x + (rect)->width) \
&& ((py) < (rect)->y + (rect)->height) \
)
#endif
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