Struct gif::Encoder
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pub struct Encoder<W: Write> { /* fields omitted */ }
GIF encoder.
Methods
impl<W: Write> Encoder<W>
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pub fn new(w: W, width: u16, height: u16, global_palette: &[u8]) -> Result<Self>
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Creates a new encoder.
global_palette
gives the global color palette in the format [r, g, b, ...]
,
if no global palette shall be used an empty slice may be supplied.
pub fn write_global_palette(self, palette: &[u8]) -> Result<Self>
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Writes the global color palette.
pub fn write_frame(&mut self, frame: &Frame) -> Result<()>
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Writes a frame to the image.
Note: This function also writes a control extension if necessary.
pub fn write_extension(&mut self, extension: ExtensionData) -> Result<()>
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Writes an extension to the image.
It is normally not necessary to call this method manually.
pub fn write_raw_extension(&mut self, func: u8, data: &[&[u8]]) -> Result<()>
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Writes a raw extension to the image.
This method can be used to write an unsupported extesion to the file. func
is the extension
identifier (e.g. Extension::Application as u8
). data
are the extension payload blocks. If any
contained slice has a lenght > 255 it is automatically divided into sub-blocks.
Trait Implementations
impl<W: Write> Parameter<Encoder<W>> for Repeat
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type Result = Result<(), Error>
Result type of set_param
.
fn set_param(self, this: &mut Encoder<W>) -> Self::Result
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Sets self
as a parameter of Object
.