Swiftgram/src/vector/vbitmap.h
2019-06-12 16:47:19 +09:00

60 lines
1.7 KiB
C++

/*
* 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 VBITMAP_H
#define VBITMAP_H
#include "vrect.h"
#include <memory>
V_BEGIN_NAMESPACE
class VBitmap {
public:
enum class Format: uchar {
Invalid,
Alpha8,
ARGB32,
ARGB32_Premultiplied
};
VBitmap() = default;
VBitmap(uint w, uint h, VBitmap::Format format);
VBitmap(uchar *data, uint w, uint h, uint bytesPerLine, VBitmap::Format format);
void reset(uint w, uint h, VBitmap::Format format=Format::ARGB32_Premultiplied);
uint stride() const;
uint width() const;
uint height() const;
uint depth() const;
VBitmap::Format format() const;
bool valid() const;
uchar * data();
uchar * data() const;
void fill(uint pixel);
void updateLuma();
private:
struct Impl;
std::shared_ptr<Impl> mImpl;
};
V_END_NAMESPACE
#endif // VBITMAP_H