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render: Remove unneeded `pub`s 

And remove the dead `glue_swf_jpeg_to_tables` function.
This commit is contained in:
relrelb 2022-04-16 22:33:47 +03:00 committed by Mike Welsh
parent 9b4108444f
commit eeaec947b3
1 changed files with 4 additions and 11 deletions
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15
core/src/backend/render.rs
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@ -280,13 +280,6 @@ pub fn decode_define_bits_jpeg(data: &[u8], alpha_data: Option<&[u8]>) -> Result
}
}
pub fn glue_swf_jpeg_to_tables(jpeg_tables: &[u8], jpeg_data: &[u8]) -> Vec<u8> {
let mut full_jpeg = Vec::with_capacity(jpeg_tables.len() + jpeg_data.len() - 4);
full_jpeg.extend_from_slice(&jpeg_tables[..jpeg_tables.len() - 2]);
full_jpeg.extend_from_slice(&jpeg_data[2..]);
full_jpeg
}
/// Glues the JPEG encoding tables from a JPEGTables SWF tag to the JPEG data
/// in a DefineBits tag, producing complete JPEG data suitable for a decoder.
pub fn glue_tables_to_jpeg<'a>(
@ -332,7 +325,7 @@ pub fn remove_invalid_jpeg_data(mut data: &[u8]) -> std::borrow::Cow<[u8]> {
/// Decodes a JPEG with optional alpha data.
/// The decoded bitmap will have pre-multiplied alpha.
pub fn decode_jpeg(
fn decode_jpeg(
jpeg_data: &[u8],
alpha_data: Option<&[u8]>,
) -> Result<Bitmap, Box<dyn std::error::Error>> {
@ -559,7 +552,7 @@ pub fn decode_define_bits_lossless(
/// Decodes the bitmap data in DefineBitsLossless tag into RGBA.
/// DefineBitsLossless is Zlib encoded pixel data (similar to PNG), possibly
/// palletized.
pub fn decode_png(data: &[u8]) -> Result<Bitmap, Error> {
fn decode_png(data: &[u8]) -> Result<Bitmap, Error> {
use png::{ColorType, Transformations};
let mut decoder = png::Decoder::new(data);
@ -595,7 +588,7 @@ pub fn decode_png(data: &[u8]) -> Result<Bitmap, Error> {
/// Decodes the bitmap data in DefineBitsLossless tag into RGBA.
/// DefineBitsLossless is Zlib encoded pixel data (similar to PNG), possibly
/// palletized.
pub fn decode_gif(data: &[u8]) -> Result<Bitmap, Error> {
fn decode_gif(data: &[u8]) -> Result<Bitmap, Error> {
let mut decode_options = gif::DecodeOptions::new();
decode_options.set_color_output(gif::ColorOutput::RGBA);
let mut reader = decode_options.read_info(data)?;
@ -612,7 +605,7 @@ pub fn decode_gif(data: &[u8]) -> Result<Bitmap, Error> {
}
/// Converts standard RBGA to premultiplied alpha.
pub fn premultiply_alpha_rgba(rgba: &mut [u8]) {
fn premultiply_alpha_rgba(rgba: &mut [u8]) {
rgba.chunks_exact_mut(4).for_each(|rgba| {
let a = f32::from(rgba[3]) / 255.0;
rgba[0] = (f32::from(rgba[0]) * a) as u8;