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			40 lines
		
	
	
	
		
			1.2 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			40 lines
		
	
	
	
		
			1.2 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
| /*
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|  * Copyright (c) 2022, Julian Offenhäuser <offenhaeuser@protonmail.com>
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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/Forward.h>
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| #include <LibGfx/AffineTransform.h>
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| #include <LibGfx/Font/Font.h>
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| #include <LibGfx/Path.h>
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| #include <LibPDF/Error.h>
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| #include <LibPDF/Fonts/Type1FontProgram.h>
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| 
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| namespace PDF {
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| 
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| class Reader;
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| class Encoding;
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| 
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| class PS1FontProgram : public Type1FontProgram {
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| public:
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|     static PDFErrorOr<NonnullRefPtr<Type1FontProgram>> create(ReadonlyBytes const&, RefPtr<Encoding>, size_t cleartext_length, size_t encrypted_length);
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| 
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| private:
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|     PDFErrorOr<void> parse_encrypted_portion(ByteBuffer const&);
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|     PDFErrorOr<Vector<ByteBuffer>> parse_subroutines(Reader&) const;
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|     static PDFErrorOr<Vector<float>> parse_number_array(Reader&, size_t length);
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|     static PDFErrorOr<DeprecatedString> parse_word(Reader&);
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|     static PDFErrorOr<float> parse_float(Reader&);
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|     static PDFErrorOr<int> parse_int(Reader&);
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| 
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|     static PDFErrorOr<ByteBuffer> decrypt(ReadonlyBytes const&, u16 key, size_t skip);
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|     static bool seek_name(Reader&, DeprecatedString const&);
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| 
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|     u16 m_encryption_key { 4330 };
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|     int m_lenIV { 4 };
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| };
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| 
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| }
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