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Remove duplicate code in jpeg_stream_writer (#316)

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Victor Derks 2024-08-09 13:07:46 +02:00 committed by GitHub
parent 79c9a58913
commit a72bb398c7
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GPG Key ID: B5690EEEBB952194
1 changed files with 33 additions and 34 deletions
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67
src/jpeg_stream_writer.h
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@ -150,6 +150,39 @@ private:
int32_t entry_size, span<const std::byte> table_data);
void write_segment_header(jpeg_marker_code marker_code, size_t data_size);
void write_segment_without_data(const jpeg_marker_code marker_code)
{
if (UNLIKELY(byte_offset_ + 2 > destination_.size()))
impl::throw_jpegls_error(jpegls_errc::destination_buffer_too_small);
write_marker(marker_code);
}
void write_segment(const jpeg_marker_code marker_code, const span<const std::byte> data)
{
write_segment_header(marker_code, data.size());
write_bytes(data);
}
void write_marker(const jpeg_marker_code marker_code) noexcept
{
write_byte(jpeg_marker_start_byte);
write_byte(static_cast<std::byte>(marker_code));
}
void write_byte(const std::byte value) noexcept
{
ASSERT(byte_offset_ + sizeof(std::byte) <= destination_.size());
destination_.data()[byte_offset_++] = value;
}
void write_bytes(const span<const std::byte> data) noexcept
{
ASSERT(byte_offset_ + data.size() <= destination_.size());
memcpy(destination_.data() + byte_offset_, data.data(), data.size());
byte_offset_ += data.size();
}
void write_uint8(const uint8_t value) noexcept
{
write_byte(static_cast<std::byte>(value));
@ -205,40 +238,6 @@ private:
write_bytes({static_cast<const std::byte*>(bytes), sizeof big_endian_value});
}
void write_byte(const std::byte value) noexcept
{
ASSERT(byte_offset_ + sizeof(std::byte) <= destination_.size());
destination_.data()[byte_offset_++] = value;
}
void write_bytes(const span<const std::byte> data) noexcept
{
ASSERT(byte_offset_ + data.size() <= destination_.size());
memcpy(destination_.data() + byte_offset_, data.data(), data.size());
byte_offset_ += data.size();
}
void write_marker(const jpeg_marker_code marker_code) noexcept
{
write_byte(jpeg_marker_start_byte);
write_byte(static_cast<std::byte>(marker_code));
}
void write_segment_without_data(const jpeg_marker_code marker_code)
{
if (UNLIKELY(byte_offset_ + 2 > destination_.size()))
impl::throw_jpegls_error(jpegls_errc::destination_buffer_too_small);
write_byte(jpeg_marker_start_byte); // TODO : use write_marker.
write_byte(static_cast<std::byte>(marker_code));
}
void write_segment(const jpeg_marker_code marker_code, const span<const std::byte> data)
{
write_segment_header(marker_code, data.size());
write_bytes(data);
}
[[nodiscard]]
uint8_t mapping_table_selector() const noexcept
{