use anyhow::Result;use base64::{ alphabet, engine::{DecodePaddingMode, GeneralPurpose, GeneralPurposeConfig}, Engine as _,};use gpui::{img, App, ClipboardItem, Image, ImageFormat, Pixels, RenderImage, Window};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>,} pub const STANDARD_INDIFFERENT: GeneralPurpose = GeneralPurpose::new( &alphabet::STANDARD, GeneralPurposeConfig::new() .with_encode_padding(false) .with_decode_padding_mode(DecodePaddingMode::Indifferent),); impl ImageView { pub fn from(base64_encoded_data: &str) -> Result<Self> { let filtered = base64_encoded_data.replace(&[' ', '\n', '\t', '\r', '\x0b', '\x0c'][..], ""); let bytes = STANDARD_INDIFFERENT.decode(filtered)?; 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, window: &mut Window, _: &mut Context<Self>) -> impl IntoElement { let line_height = window.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, _window: &Window, _cx: &App) -> Option<ClipboardItem> { Some(ClipboardItem::new_image(self.clipboard_image.as_ref())) } fn has_clipboard_content(&self, _window: &Window, _cx: &App) -> bool { true }}
use anyhow::Result;
use base64::{
alphabet,
engine::{DecodePaddingMode, GeneralPurpose, GeneralPurposeConfig},
Engine as _,
};
use gpui::{img, App, ClipboardItem, Image, ImageFormat, Pixels, RenderImage, Window};
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>,
}
pub const STANDARD_INDIFFERENT: GeneralPurpose = GeneralPurpose::new(
&alphabet::STANDARD,
GeneralPurposeConfig::new()
.with_encode_padding(false)
.with_decode_padding_mode(DecodePaddingMode::Indifferent),
);
impl ImageView {
pub fn from(base64_encoded_data: &str) -> Result<Self> {
let filtered =
base64_encoded_data.replace(&[' ', '\n', '\t', '\r', '\x0b', '\x0c'][..], "");
let bytes = STANDARD_INDIFFERENT.decode(filtered)?;
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, window: &mut Window, _: &mut Context<Self>) -> impl IntoElement {
let line_height = window.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, _window: &Window, _cx: &App) -> Option<ClipboardItem> {
Some(ClipboardItem::new_image(self.clipboard_image.as_ref()))
}
fn has_clipboard_content(&self, _window: &Window, _cx: &App) -> bool {
true
}
}