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LibGfx: Use clear_with capacity instead of clear in PNGWriter

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Same vector was cleared up and filled in continuously.
This commit is contained in:
Aziz Berkay Yesilyurt 2021-07-11 21:54:18 +02:00 • committed by Andreas Kling
parent b70f2b00a3
commit d1028f8aed
1 changed files with 11 additions and 4 deletions
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15
Userland/Libraries/LibGfx/PNGWriter.cpp
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@ -31,6 +31,9 @@ public:
void add_u8(u8);
template<typename T>
void add(T*, size_t);
void store_type();
void store_data_length();
u32 crc();
@ -92,6 +95,12 @@ requires(IsUnsigned<T>) void PNGChunk::add(T data)
m_data.append(&data, sizeof(T));
}
template<typename T>
void PNGChunk::add(T* data, size_t size)
{
m_data.append(data, size);
}
template<typename T>
void PNGChunk::add_as_little_endian(T data)
{
@ -117,7 +126,7 @@ void NonCompressibleBlock::add_byte_to_block(u8 data, PNGChunk& chunk)
update_adler(data);
if (full()) {
add_block_to_chunk(chunk, false);
m_non_compressible_data.clear();
m_non_compressible_data.clear_with_capacity();
}
}
@ -131,9 +140,7 @@ void NonCompressibleBlock::add_block_to_chunk(PNGChunk& png_chunk, bool last)
png_chunk.add_as_little_endian(len);
png_chunk.add_as_little_endian(nlen);
for (auto non_compressed_byte : m_non_compressible_data) {
png_chunk.add_u8(non_compressed_byte);
}
png_chunk.add(m_non_compressible_data.data(), m_non_compressible_data.size());
}
void NonCompressibleBlock::finalize(PNGChunk& chunk)