mirror of
https://github.com/gnif/LookingGlass.git
synced 2024-11-23 14:07:18 +00:00
55 lines
1.8 KiB
C
55 lines
1.8 KiB
C
/**
|
|
* Looking Glass
|
|
* Copyright © 2017-2021 The Looking Glass Authors
|
|
* https://looking-glass.io
|
|
*
|
|
* 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 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., 59
|
|
* Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
|
*/
|
|
|
|
#ifndef _H_LG_UTIL_
|
|
#define _H_LG_UTIL_
|
|
|
|
#include <stdlib.h>
|
|
#include <stdbool.h>
|
|
#include "common/types.h"
|
|
|
|
#define min(a,b) ({ __typeof__ (a) _a = (a); __typeof__ (b) _b = (b); _a < _b ? _a : _b; })
|
|
#define max(a,b) ({ __typeof__ (a) _a = (a); __typeof__ (b) _b = (b); _a > _b ? _a : _b; })
|
|
|
|
#define UPCAST(type, x) \
|
|
(type *)((uintptr_t)(x) - offsetof(type, base))
|
|
|
|
// reads the specified file into a new buffer
|
|
// the callee must free the buffer
|
|
bool util_fileGetContents(const char * filename, char ** buffer, size_t * length);
|
|
|
|
void util_cursorToInt(double ex, double ey, int *x, int *y);
|
|
bool util_guestCurToLocal(struct DoublePoint *local);
|
|
void util_localCurToGuest(struct DoublePoint *guest);
|
|
void util_rotatePoint(struct DoublePoint *point);
|
|
bool util_hasGLExt(const char * exts, const char * ext);
|
|
int util_mergeOverlappingRects(FrameDamageRect * rects, int count);
|
|
|
|
static inline double util_clamp(double x, double min, double max)
|
|
{
|
|
if (x < min) return min;
|
|
if (x > max) return max;
|
|
return x;
|
|
}
|
|
|
|
char * util_getUIFont(const char * fontName);
|
|
|
|
#endif
|