telegram/TMessagesProj/jni/rlottie/src/vector/pixman/vregion.h
2025-11-22 14:04:28 +01:00

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/*
* Copyright (c) 2018 Samsung Electronics Co., Ltd. All rights reserved.
*
* This library 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 library 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 library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef VREGION_H
#define VREGION_H
#include <vglobal.h>
#include <vpoint.h>
#include <vrect.h>
#include <utility>
#include "vdebug.h"
V_BEGIN_NAMESPACE
struct VRegionData;
class VRegion {
public:
VRegion();
VRegion(int x, int y, int w, int h);
VRegion(const VRect &r);
VRegion(const VRegion &region);
VRegion(VRegion &&other);
~VRegion();
VRegion & operator=(const VRegion &);
VRegion & operator=(VRegion &&);
bool empty() const;
bool contains(const VRect &r) const;
VRegion united(const VRect &r) const;
VRegion united(const VRegion &r) const;
VRegion intersected(const VRect &r) const;
VRegion intersected(const VRegion &r) const;
VRegion subtracted(const VRegion &r) const;
void translate(const VPoint &p);
inline void translate(int dx, int dy);
VRegion translated(const VPoint &p) const;
inline VRegion translated(int dx, int dy) const;
int rectCount() const;
VRect rectAt(int index) const;
VRegion operator+(const VRect &r) const;
VRegion operator+(const VRegion &r) const;
VRegion operator-(const VRegion &r) const;
VRegion &operator+=(const VRect &r);
VRegion &operator+=(const VRegion &r);
VRegion &operator-=(const VRegion &r);
VRect boundingRect() const noexcept;
bool intersects(const VRegion &region) const;
bool operator==(const VRegion &r) const;
inline bool operator!=(const VRegion &r) const { return !(operator==(r)); }
friend VDebug &operator<<(VDebug &os, const VRegion &o);
private:
bool within(const VRect &r) const;
VRegion copy() const;
void detach();
void cleanUp(VRegionData *x);
struct VRegionData *d;
};
inline void VRegion::translate(int dx, int dy)
{
translate(VPoint(dx, dy));
}
inline VRegion VRegion::translated(int dx, int dy) const
{
return translated(VPoint(dx, dy));
}
V_END_NAMESPACE
#endif // VREGION_H