mirror of
https://github.com/kasmtech/KasmVNC.git
synced 2024-11-25 17:44:01 +01:00
84 lines
2.3 KiB
C
84 lines
2.3 KiB
C
|
/* Copyright (C) 2002-2005 RealVNC Ltd. All Rights Reserved.
|
||
|
|
*
|
||
|
|
* This 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 software 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 software; if not, write to the Free Software
|
||
|
|
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
|
||
|
|
* USA.
|
||
|
|
*/
|
||
|
|
|
||
|
|
// Cross-platform Region class based on the X11 region implementation
|
||
|
|
|
||
|
|
#ifndef __RFB_REGION_INCLUDED__
|
||
|
|
#define __RFB_REGION_INCLUDED__
|
||
|
|
|
||
|
|
#include <rfb/Rect.h>
|
||
|
|
#include <vector>
|
||
|
|
|
||
|
|
struct _XRegion;
|
||
|
|
|
||
|
|
namespace rfb {
|
||
|
|
|
||
|
|
struct ShortRect {
|
||
|
|
short x1, y1, x2, y2;
|
||
|
|
};
|
||
|
|
|
||
|
|
class Region {
|
||
|
|
public:
|
||
|
|
// Create an empty region
|
||
|
|
Region();
|
||
|
|
// Create a rectangular region
|
||
|
|
Region(const Rect& r);
|
||
|
|
|
||
|
|
Region(const Region& r);
|
||
|
|
Region &operator=(const Region& src);
|
||
|
|
|
||
|
|
~Region();
|
||
|
|
|
||
|
|
// the following methods alter the region in place:
|
||
|
|
|
||
|
|
void clear();
|
||
|
|
void reset(const Rect& r);
|
||
|
|
void translate(const rfb::Point& delta);
|
||
|
|
void setOrderedRects(const std::vector<Rect>& rects);
|
||
|
|
void setExtentsAndOrderedRects(const ShortRect* extents, int nRects,
|
||
|
|
const ShortRect* rects);
|
||
|
|
|
||
|
|
void assign_intersect(const Region& r);
|
||
|
|
void assign_union(const Region& r);
|
||
|
|
void assign_subtract(const Region& r);
|
||
|
|
|
||
|
|
// the following three operations return a new region:
|
||
|
|
|
||
|
|
Region intersect(const Region& r) const;
|
||
|
|
Region union_(const Region& r) const;
|
||
|
|
Region subtract(const Region& r) const;
|
||
|
|
|
||
|
|
bool equals(const Region& b) const;
|
||
|
|
int numRects() const;
|
||
|
|
bool is_empty() const { return numRects() == 0; }
|
||
|
|
|
||
|
|
bool get_rects(std::vector<Rect>* rects, bool left2right=true,
|
||
|
|
bool topdown=true) const;
|
||
|
|
Rect get_bounding_rect() const;
|
||
|
|
|
||
|
|
void debug_print(const char *prefix) const;
|
||
|
|
|
||
|
|
protected:
|
||
|
|
|
||
|
|
struct _XRegion* xrgn;
|
||
|
|
};
|
||
|
|
|
||
|
|
};
|
||
|
|
|
||
|
|
#endif // __RFB_REGION_INCLUDED__
|