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AK: Make MappedFile heap-allocated and ref-counted

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Let's adapt this class a bit better to how it's actually being used.

Instead of having valid/invalid states and storing an error in case
it's invalid, a MappedFile is now always valid, and the factory
function that creates it will return an OSError if mapping fails.
This commit is contained in:
Andreas Kling 2021-01-10 15:55:54 +01:00
parent 70fce5c4c7
commit 2f3b901f7f
36 changed files with 184 additions and 199 deletions
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2
Libraries/LibGfx/BitmapFont.h
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@ -128,7 +128,7 @@ private:
unsigned* m_rows { nullptr };
u8* m_glyph_widths { nullptr };
MappedFile m_mapped_file;
RefPtr<MappedFile> m_mapped_file;
u8 m_glyph_width { 0 };
u8 m_glyph_height { 0 };