Struct GifWriter 

pub struct GifWriter<W: Write> { /* private fields */ }

A writer for creating GIF89a formatted data.

Implementations

impl<W: Write> GifWriter<W>

pub fn new(writer: W) -> Self

Creates a new GifWriter wrapping the provided output stream.

pub fn write_header(&mut self) -> Result<()>

Writes the GIF89a header.

pub fn write_logical_screen_descriptor( &mut self, options: &GifOptions, ) -> Result<()>

Writes the Logical Screen Descriptor block.

pub fn write_netscape_loop_block(&mut self) -> Result<()>

Writes the Netscape Application Block for infinite looping.

pub fn write_global_palette(&mut self, palette: &[u8]) -> Result<()>

Writes the global palette data.

pub fn write_graphic_control_extension( &mut self, delay: u16, transparent_idx: Option<u8>, ) -> Result<()>

Writes a Graphic Control Extension block for a frame.

pub fn write_image_data( &mut self, descriptor: &ImageDescriptor, indices: &[u8], encoder: &mut LzwEncoder, ) -> Result<()>

Writes encoded image data sub-blocks.

pub fn write_trailer(&mut self) -> Result<()>

Writes the GIF trailer byte.