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decoder: Support animated formats (GIF, WEBP, APNG)

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Closes #27
This commit is contained in:
Sophie Herold 2023-03-15 22:35:59 +01:00 • committed by Christopher Davis
parent ea9063de0f
commit f33c4bd470
9 changed files with 368 additions and 80 deletions
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16
src/decoder/mod.rs
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@ -8,7 +8,7 @@ use crate::deps::*;
use crate::i18n::*;
use crate::image_metadata::ImageMetadata;
use formats::*;
use tiling::TilingStoreExt;
use tiling::FrameBufferExt;
use anyhow::{anyhow, bail, Context};
use arc_swap::ArcSwap;
@ -89,11 +89,11 @@ enum FormatDecoder {
impl Decoder {
/// Get new image decoder
///
/// The textures will be stored in the passed `TilingStore`.
/// The textures will be stored in the passed `TiledImage`.
/// The renderer should listen to updates from the returned receiver.
pub async fn new(
file: gio::File,
tiles: Arc<ArcSwap<tiling::TilingStore>>,
tiles: Arc<ArcSwap<tiling::FrameBuffer>>,
) -> anyhow::Result<(Self, mpsc::UnboundedReceiver<DecoderUpdate>)> {
let path = file.path().context("Need a file path")?;
let (sender, receiver) = mpsc::unbounded();
@ -111,7 +111,7 @@ impl Decoder {
fn format_decoder(
update_sender: UpdateSender,
path: PathBuf,
tiles: Arc<ArcSwap<tiling::TilingStore>>,
tiles: Arc<ArcSwap<tiling::FrameBuffer>>,
) -> anyhow::Result<FormatDecoder> {
update_sender.send(DecoderUpdate::Metadata(ImageMetadata::load(&path)));
@ -177,4 +177,12 @@ impl Decoder {
_ => {}
};
}
pub fn fill_frame_buffer(&self) {
if let FormatDecoder::ImageRsOther(decoder) = &self.decoder {
decoder.fill_frame_buffer();
} else {
log::error!("Trying to fill frame buffer for decoder without animation support");
}
}
}