/usr/include/libvisual-0.4/libvisual/lv_rectangle.h is in libvisual-0.4-dev 0.4.0-5.
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 | /* Libvisual - The audio visualisation framework.
*
* Copyright (C) 2004, 2005, 2006 Dennis Smit <ds@nerds-incorporated.org>
*
* Authors: Dennis Smit <ds@nerds-incorporated.org>
*
* $Id: lv_rectangle.h,v 1.6 2006/01/22 13:23:37 synap Exp $
*
* This program 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 2.1
* 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 Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef _LV_RECTANGLE_H
#define _LV_RECTANGLE_H
#include <libvisual/lv_common.h>
VISUAL_BEGIN_DECLS
#define VISUAL_RECTANGLE(obj) (VISUAL_CHECK_CAST ((obj, VisRectangle))
typedef struct _VisRectangle VisRectangle;
/**
* Using the VisRectangle structure you can define rectangular areas in for example
* VisVideo buffers.
*/
struct _VisRectangle {
VisObject object; /**< The VisObject data. */
int x; /**< X Position of the upper left corner. */
int y; /**< Y Position of the upper left corner. */
int width; /**< The width. */
int height; /**< The height. */
};
/* prototypes */
VisRectangle *visual_rectangle_new (int x, int y, int width, int height);
int visual_rectangle_set (VisRectangle *rect, int x, int y, int width, int height);
int visual_rectangle_position_within (VisRectangle *rect, int x, int y);
int visual_rectangle_within_partially (VisRectangle *dest, VisRectangle *src);
int visual_rectangle_within (VisRectangle *dest, VisRectangle *src);
int visual_rectangle_copy (VisRectangle *dest, VisRectangle *src);
int visual_rectangle_clip (VisRectangle *dest, VisRectangle *within, VisRectangle *src);
int visual_rectangle_normalise (VisRectangle *rect);
int visual_rectangle_normalise_to (VisRectangle *dest, VisRectangle *src);
int visual_rectangle_is_empty (VisRectangle *rect);
int visual_rectangle_denormalise_values (VisRectangle *rect, float fx, float fy, int32_t *x, int32_t *y);
int visual_rectangle_denormalise_many_values (VisRectangle *rect, float *fxlist, float *fylist, int32_t *xlist, int32_t *ylist, int size);
int visual_rectangle_denormalise_values_neg (VisRectangle *rect, float fx, float fy, int32_t *x, int32_t *y);
int visual_rectangle_denormalise_many_values_neg (VisRectangle *rect, float *fxlist, float *fylist, int32_t *xlist, int32_t *ylist, int size);
VISUAL_END_DECLS
#endif /* _LV_RECTANGLE_H */
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