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/* Copyright (C) 2002-2005 RealVNC Ltd. All Rights Reserved.
* Copyright 2014-2023 Pierre Ossman for Cendio AB
*
* 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.
*/
//
// Cursor - structure containing information describing
// the current cursor shape
//
#ifndef __RFB_CURSOR_H__
#define __RFB_CURSOR_H__
#include <vector>
#include <rfb/PixelBuffer.h>
namespace rfb {
class Cursor {
public:
Cursor(int width, int height, const Point& hotspot, const uint8_t* data);
Cursor(const Cursor& other);
~Cursor();
int width() const { return width_; };
int height() const { return height_; };
const Point& hotspot() const { return hotspot_; };
const uint8_t* getBuffer() const { return data; };
// getBitmap() returns a monochrome version of the cursor
std::vector<uint8_t> getBitmap() const;
// getMask() returns a simple mask version of the alpha channel
std::vector<uint8_t> getMask() const;
// crop() crops the cursor down to the smallest possible size, based on the
// mask.
void crop();
protected:
int width_, height_;
Point hotspot_;
uint8_t* data;
};
class RenderedCursor : public PixelBuffer {
public:
RenderedCursor();
Rect getEffectiveRect() const { return buffer.getRect(offset); }
const uint8_t* getBuffer(const Rect& r, int* stride) const override;
void update(PixelBuffer* framebuffer, Cursor* cursor, const Point& pos);
protected:
ManagedPixelBuffer buffer;
Point offset;
};
}
#endif
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