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e7141c4230
This is much simpler and more embeddable version than libGFX one. Solely purpose is to draw initial boot logo on screen before kernel is even booted.
39 lines
740 B
C++
39 lines
740 B
C++
/*
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* Copyright (c) 2021, Marcin Undak <mcinek@gmail.com>
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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/Types.h>
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namespace Prekernel {
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// Quick parser for .ppm image format (raw PortablePixMap)
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// This is much simpler version than userland implementation in PPMLoader.cpp
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class BootPPMParser {
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public:
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struct {
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u32 width = 0;
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u32 height = 0;
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u8 const* pixel_data = nullptr;
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} image;
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BootPPMParser(u8 const* buffer, u32 buffer_size);
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bool parse();
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private:
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char const* m_cursor;
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char const* m_buffer_end;
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bool check_position() const;
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bool parse_magic();
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bool parse_new_line();
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bool parse_comment();
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bool parse_integer(u32& value);
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};
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}
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