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-rw-r--r--vendor/tiff/src/encoder/writer.rs188
1 files changed, 0 insertions, 188 deletions
diff --git a/vendor/tiff/src/encoder/writer.rs b/vendor/tiff/src/encoder/writer.rs
deleted file mode 100644
index c5139e9..0000000
--- a/vendor/tiff/src/encoder/writer.rs
+++ /dev/null
@@ -1,188 +0,0 @@
-use crate::encoder::compression::*;
-use crate::error::TiffResult;
-use std::io::{self, Seek, SeekFrom, Write};
-
-pub fn write_tiff_header<W: Write>(writer: &mut TiffWriter<W>) -> TiffResult<()> {
- #[cfg(target_endian = "little")]
- let boi: u8 = 0x49;
- #[cfg(not(target_endian = "little"))]
- let boi: u8 = 0x4d;
-
- writer.writer.write_all(&[boi, boi])?;
- writer.writer.write_all(&42u16.to_ne_bytes())?;
- writer.offset += 4;
-
- Ok(())
-}
-
-/// Writes a BigTiff header, excluding the IFD offset field.
-///
-/// Writes the byte order, version number, offset byte size, and zero constant fields. Does
-// _not_ write the offset to the first IFD, this should be done by the caller.
-pub fn write_bigtiff_header<W: Write>(writer: &mut TiffWriter<W>) -> TiffResult<()> {
- #[cfg(target_endian = "little")]
- let boi: u8 = 0x49;
- #[cfg(not(target_endian = "little"))]
- let boi: u8 = 0x4d;
-
- // byte order indication
- writer.writer.write_all(&[boi, boi])?;
- // version number
- writer.writer.write_all(&43u16.to_ne_bytes())?;
- // bytesize of offsets (pointer size)
- writer.writer.write_all(&8u16.to_ne_bytes())?;
- // always 0
- writer.writer.write_all(&0u16.to_ne_bytes())?;
-
- // we wrote 8 bytes, so set the internal offset accordingly
- writer.offset += 8;
-
- Ok(())
-}
-
-pub struct TiffWriter<W> {
- writer: W,
- offset: u64,
- byte_count: u64,
- compressor: Compressor,
-}
-
-impl<W: Write> TiffWriter<W> {
- pub fn new(writer: W) -> Self {
- Self {
- writer,
- offset: 0,
- byte_count: 0,
- compressor: Compressor::default(),
- }
- }
-
- pub fn set_compression(&mut self, compressor: Compressor) {
- self.compressor = compressor;
- }
-
- pub fn reset_compression(&mut self) {
- self.compressor = Compressor::default();
- }
-
- pub fn offset(&self) -> u64 {
- self.offset
- }
-
- pub fn last_written(&self) -> u64 {
- self.byte_count
- }
-
- pub fn write_bytes(&mut self, bytes: &[u8]) -> Result<(), io::Error> {
- self.byte_count = self.compressor.write_to(&mut self.writer, bytes)?;
- self.offset += self.byte_count;
- Ok(())
- }
-
- pub fn write_u8(&mut self, n: u8) -> Result<(), io::Error> {
- self.byte_count = self
- .compressor
- .write_to(&mut self.writer, &n.to_ne_bytes())?;
- self.offset += self.byte_count;
- Ok(())
- }
-
- pub fn write_i8(&mut self, n: i8) -> Result<(), io::Error> {
- self.byte_count = self
- .compressor
- .write_to(&mut self.writer, &n.to_ne_bytes())?;
- self.offset += self.byte_count;
- Ok(())
- }
-
- pub fn write_u16(&mut self, n: u16) -> Result<(), io::Error> {
- self.byte_count = self
- .compressor
- .write_to(&mut self.writer, &n.to_ne_bytes())?;
- self.offset += self.byte_count;
-
- Ok(())
- }
-
- pub fn write_i16(&mut self, n: i16) -> Result<(), io::Error> {
- self.byte_count = self
- .compressor
- .write_to(&mut self.writer, &n.to_ne_bytes())?;
- self.offset += self.byte_count;
-
- Ok(())
- }
-
- pub fn write_u32(&mut self, n: u32) -> Result<(), io::Error> {
- self.byte_count = self
- .compressor
- .write_to(&mut self.writer, &n.to_ne_bytes())?;
- self.offset += self.byte_count;
-
- Ok(())
- }
-
- pub fn write_i32(&mut self, n: i32) -> Result<(), io::Error> {
- self.byte_count = self
- .compressor
- .write_to(&mut self.writer, &n.to_ne_bytes())?;
- self.offset += self.byte_count;
-
- Ok(())
- }
-
- pub fn write_u64(&mut self, n: u64) -> Result<(), io::Error> {
- self.byte_count = self
- .compressor
- .write_to(&mut self.writer, &n.to_ne_bytes())?;
- self.offset += self.byte_count;
-
- Ok(())
- }
-
- pub fn write_i64(&mut self, n: i64) -> Result<(), io::Error> {
- self.byte_count = self
- .compressor
- .write_to(&mut self.writer, &n.to_ne_bytes())?;
- self.offset += self.byte_count;
-
- Ok(())
- }
-
- pub fn write_f32(&mut self, n: f32) -> Result<(), io::Error> {
- self.byte_count = self
- .compressor
- .write_to(&mut self.writer, &u32::to_ne_bytes(n.to_bits()))?;
- self.offset += self.byte_count;
-
- Ok(())
- }
-
- pub fn write_f64(&mut self, n: f64) -> Result<(), io::Error> {
- self.byte_count = self
- .compressor
- .write_to(&mut self.writer, &u64::to_ne_bytes(n.to_bits()))?;
- self.offset += self.byte_count;
-
- Ok(())
- }
-
- pub fn pad_word_boundary(&mut self) -> Result<(), io::Error> {
- if self.offset % 4 != 0 {
- let padding = [0, 0, 0];
- let padd_len = 4 - (self.offset % 4);
- self.writer.write_all(&padding[..padd_len as usize])?;
- self.offset += padd_len;
- }
-
- Ok(())
- }
-}
-
-impl<W: Seek> TiffWriter<W> {
- pub fn goto_offset(&mut self, offset: u64) -> Result<(), io::Error> {
- self.offset = offset;
- self.writer.seek(SeekFrom::Start(offset as u64))?;
- Ok(())
- }
-}