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LibTTF: Use ReadonlyBytes where possible to avoid copies

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This commit is contained in:
Stephan Unverwerth 2020-12-29 16:48:30 +01:00 • committed by Andreas Kling
parent 187acd8f21
commit 0f6cf9caa1
6 changed files with 48 additions and 48 deletions
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12
Libraries/LibTTF/Cmap.h
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@ -26,7 +26,7 @@
#pragma once
#include <AK/ByteBuffer.h>
#include <AK/Span.h>
namespace TTF {
@ -56,7 +56,7 @@ public:
UnicodeFullRepertoire = 10,
};
Subtable(const ByteBuffer& slice, u16 platform_id, u16 encoding_id)
Subtable(const ReadonlyBytes& slice, u16 platform_id, u16 encoding_id)
: m_slice(slice)
, m_raw_platform_id(platform_id)
, m_encoding_id(encoding_id)
@ -95,12 +95,12 @@ public:
u32 glyph_id_for_codepoint_table_4(u32 codepoint) const;
u32 glyph_id_for_codepoint_table_12(u32 codepoint) const;
ByteBuffer m_slice;
ReadonlyBytes m_slice;
u16 m_raw_platform_id { 0 };
u16 m_encoding_id { 0 };
};
static Optional<Cmap> from_slice(const ByteBuffer&);
static Optional<Cmap> from_slice(const ReadonlyBytes&);
u32 num_subtables() const;
Optional<Subtable> subtable(u32 index) const;
void set_active_index(u32 index) { m_active_index = index; }
@ -118,12 +118,12 @@ private:
EncodingRecord = 8,
};
Cmap(const ByteBuffer& slice)
Cmap(const ReadonlyBytes& slice)
: m_slice(slice)
{
}
ByteBuffer m_slice;
ReadonlyBytes m_slice;
u32 m_active_index { UINT32_MAX };
};