Files
oak-gpui/crates/repl/src/outputs/image.rs
T
Piotr Osiewicz e6c1c51b37 chore: Fix several style lints (#17488)
It's not comprehensive enough to start linting on `style` group, but
hey, it's a start.

Release Notes:

- N/A
2024-09-06 11:58:39 +02:00

89 lines
2.7 KiB
Rust

use anyhow::Result;
use base64::prelude::*;
use gpui::{img, ClipboardItem, Image, ImageFormat, Pixels, RenderImage, WindowContext};
use std::sync::Arc;
use ui::{div, prelude::*, IntoElement, Styled};
use crate::outputs::OutputContent;
/// ImageView renders an image inline in an editor, adapting to the line height to fit the image.
pub struct ImageView {
clipboard_image: Arc<Image>,
height: u32,
width: u32,
image: Arc<RenderImage>,
}
impl ImageView {
pub fn from(base64_encoded_data: &str) -> Result<Self> {
let bytes = BASE64_STANDARD.decode(base64_encoded_data)?;
let format = image::guess_format(&bytes)?;
let mut data = image::load_from_memory_with_format(&bytes, format)?.into_rgba8();
// Convert from RGBA to BGRA.
for pixel in data.chunks_exact_mut(4) {
pixel.swap(0, 2);
}
let height = data.height();
let width = data.width();
let gpui_image_data = RenderImage::new(vec![image::Frame::new(data)]);
let format = match format {
image::ImageFormat::Png => ImageFormat::Png,
image::ImageFormat::Jpeg => ImageFormat::Jpeg,
image::ImageFormat::Gif => ImageFormat::Gif,
image::ImageFormat::WebP => ImageFormat::Webp,
image::ImageFormat::Tiff => ImageFormat::Tiff,
image::ImageFormat::Bmp => ImageFormat::Bmp,
_ => {
return Err(anyhow::anyhow!("unsupported image format"));
}
};
// Convert back to a GPUI image for use with the clipboard
let clipboard_image = Arc::new(Image {
format,
bytes,
id: gpui_image_data.id.0 as u64,
});
Ok(ImageView {
clipboard_image,
height,
width,
image: Arc::new(gpui_image_data),
})
}
}
impl Render for ImageView {
fn render(&mut self, cx: &mut ViewContext<Self>) -> impl IntoElement {
let line_height = cx.line_height();
let (height, width) = if self.height as f32 / line_height.0 == u8::MAX as f32 {
let height = u8::MAX as f32 * line_height.0;
let width = self.width as f32 * height / self.height as f32;
(height, width)
} else {
(self.height as f32, self.width as f32)
};
let image = self.image.clone();
div().h(Pixels(height)).w(Pixels(width)).child(img(image))
}
}
impl OutputContent for ImageView {
fn clipboard_content(&self, _cx: &WindowContext) -> Option<ClipboardItem> {
Some(ClipboardItem::new_image(self.clipboard_image.as_ref()))
}
fn has_clipboard_content(&self, _cx: &WindowContext) -> bool {
true
}
}