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			76 lines
		
	
	
	
		
			1.6 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			76 lines
		
	
	
	
		
			1.6 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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| 
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| #pragma once
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| 
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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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| 
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| namespace Gfx {
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| 
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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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|     int operator<=>(CMYK const&) const = default;
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| };
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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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| 
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|     IntSize const& size() const { return m_size; }
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| 
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|     [[nodiscard]] CMYK* scanline(int y);
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|     [[nodiscard]] CMYK const* scanline(int y) const;
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| 
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|     [[nodiscard]] CMYK* begin();
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|     [[nodiscard]] CMYK* end();
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|     [[nodiscard]] size_t data_size() const { return m_data.size(); }
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| 
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|     ErrorOr<RefPtr<Bitmap>> to_low_quality_rgb() const;
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| 
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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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| 
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|     IntSize m_size;
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|     ByteBuffer m_data;
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| 
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|     mutable RefPtr<Bitmap> m_rgb_bitmap;
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| };
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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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| 
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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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| 
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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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| 
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| inline CMYK* CMYKBitmap::end()
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| {
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|     return reinterpret_cast<CMYK*>(m_data.data() + data_size());
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| }
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| 
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| }
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