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09b2b3539b
Right now, the JPEG decoder is the only one supporting CMYK, but that won't last for long. So, let's move the conversion to CMYKBitmap.
73 lines
1.5 KiB
C++
73 lines
1.5 KiB
C++
/*
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* Copyright (c) 2024, Nico Weber <thakis@chromium.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#pragma once
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#include <AK/ByteBuffer.h>
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#include <AK/NonnullRefPtr.h>
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#include <AK/RefCounted.h>
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#include <LibGfx/Bitmap.h>
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#include <LibGfx/Size.h>
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namespace Gfx {
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struct CMYK {
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u8 c;
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u8 m;
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u8 y;
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u8 k;
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};
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class CMYKBitmap : public RefCounted<CMYKBitmap> {
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public:
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static ErrorOr<NonnullRefPtr<CMYKBitmap>> create_with_size(IntSize const& size);
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IntSize const& size() const { return m_size; }
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[[nodiscard]] CMYK* scanline(int y);
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[[nodiscard]] CMYK const* scanline(int y) const;
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[[nodiscard]] CMYK* begin();
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[[nodiscard]] CMYK* end();
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ErrorOr<RefPtr<Bitmap>> to_low_quality_rgb() const;
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private:
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CMYKBitmap(IntSize const& size, ByteBuffer data)
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: m_size(size)
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, m_data(move(data))
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{
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}
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IntSize m_size;
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ByteBuffer m_data;
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mutable RefPtr<Bitmap> m_rgb_bitmap;
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};
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inline CMYK* CMYKBitmap::scanline(int y)
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{
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VERIFY(y >= 0 && y < m_size.height());
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return reinterpret_cast<CMYK*>(m_data.data() + y * m_size.width() * sizeof(CMYK));
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}
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inline CMYK const* CMYKBitmap::scanline(int y) const
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{
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VERIFY(y >= 0 && y < m_size.height());
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return reinterpret_cast<CMYK const*>(m_data.data() + y * m_size.width() * sizeof(CMYK));
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}
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inline CMYK* CMYKBitmap::begin()
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{
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return reinterpret_cast<CMYK*>(m_data.data());
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}
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inline CMYK* CMYKBitmap::end()
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{
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return reinterpret_cast<CMYK*>(m_data.data() + m_data.size());
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}
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}
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