ladybird/Userland/Libraries/LibGfx/GrayscaleBitmap.h
MacDue 429d7b002b LibGfx: Add a simple GrayscaleBitmap class
This is very similar to the existing CharacterBitmap class but instead
intended for small static grayscale bitmaps (such as signed distance
fields).
2023-03-23 08:27:51 +00:00

38 lines
898 B
C++

/*
* Copyright (c) 2023, MacDue <macdue@dueutil.tech>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include "Size.h"
#include <AK/RefCounted.h>
#include <AK/RefPtr.h>
#include <AK/StringView.h>
namespace Gfx {
class GrayscaleBitmap {
public:
GrayscaleBitmap() = delete;
constexpr GrayscaleBitmap(ReadonlyBytes data, unsigned width, unsigned height)
: m_data(data)
, m_size(width, height)
{
VERIFY(width * height == data.size());
}
constexpr u8 pixel_at(unsigned x, unsigned y) const { return m_data[y * width() + x]; }
constexpr ReadonlyBytes data() const { return m_data; }
constexpr IntSize size() const { return m_size; }
constexpr unsigned width() const { return m_size.width(); }
constexpr unsigned height() const { return m_size.height(); }
private:
ReadonlyBytes m_data {};
IntSize m_size {};
};
}