use std::io::{Cursor, Write};use std::sync::Arc; use crate::role::Role;use crate::{LanguageModelToolUse, LanguageModelToolUseId};use base64::write::EncoderWriter;use gpui::{ App, AppContext as _, DevicePixels, Image, ObjectFit, RenderImage, SharedString, Size, Task, point, px, size,};use image::{DynamicImage, ImageDecoder, codecs::png::PngEncoder, imageops::resize};use serde::{Deserialize, Serialize};use util::ResultExt; #[derive(Clone, PartialEq, Eq, Serialize, Deserialize, Hash)]pub struct LanguageModelImage { /// A base64-encoded PNG image. pub source: SharedString, size: Size<DevicePixels>,} impl std::fmt::Debug for LanguageModelImage { fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result { f.debug_struct("LanguageModelImage") .field("source", &format!("<{} bytes>", self.source.len())) .field("size", &self.size) .finish() }} /// Anthropic wants uploaded images to be smaller than this in both dimensions.const ANTHROPIC_SIZE_LIMT: f32 = 1568.; impl LanguageModelImage { pub fn empty() -> Self { Self { source: "".into(), size: size(DevicePixels(0), DevicePixels(0)), } } pub fn from_image(data: Arc<Image>, cx: &mut App) -> Task<Option<Self>> { cx.background_spawn(async move { match data.format() { gpui::ImageFormat::Png | gpui::ImageFormat::Jpeg | gpui::ImageFormat::Webp | gpui::ImageFormat::Gif => {} _ => return None, }; let image = image::codecs::png::PngDecoder::new(Cursor::new(data.bytes())).log_err()?; let (width, height) = image.dimensions(); let image_size = size(DevicePixels(width as i32), DevicePixels(height as i32)); let mut base64_image = Vec::new(); { let mut base64_encoder = EncoderWriter::new( Cursor::new(&mut base64_image), &base64::engine::general_purpose::STANDARD, ); if image_size.width.0 > ANTHROPIC_SIZE_LIMT as i32 || image_size.height.0 > ANTHROPIC_SIZE_LIMT as i32 { let new_bounds = ObjectFit::ScaleDown.get_bounds( gpui::Bounds { origin: point(px(0.0), px(0.0)), size: size(px(ANTHROPIC_SIZE_LIMT), px(ANTHROPIC_SIZE_LIMT)), }, image_size, ); let image = DynamicImage::from_decoder(image).log_err()?.resize( new_bounds.size.width.0 as u32, new_bounds.size.height.0 as u32, image::imageops::FilterType::Triangle, ); let mut png = Vec::new(); image .write_with_encoder(PngEncoder::new(&mut png)) .log_err()?; base64_encoder.write_all(png.as_slice()).log_err()?; } else { base64_encoder.write_all(data.bytes()).log_err()?; } } // SAFETY: The base64 encoder should not produce non-UTF8. let source = unsafe { String::from_utf8_unchecked(base64_image) }; Some(LanguageModelImage { size: image_size, source: source.into(), }) }) } /// Resolves image into an LLM-ready format (base64). pub fn from_render_image(data: &RenderImage) -> Option<Self> { let image_size = data.size(0); let mut bytes = data.as_bytes(0).unwrap_or(&[]).to_vec(); // Convert from BGRA to RGBA. for pixel in bytes.chunks_exact_mut(4) { pixel.swap(2, 0); } let mut image = image::RgbaImage::from_vec( image_size.width.0 as u32, image_size.height.0 as u32, bytes, ) .expect("We already know this works"); // https://docs.anthropic.com/en/docs/build-with-claude/vision if image_size.width.0 > ANTHROPIC_SIZE_LIMT as i32 || image_size.height.0 > ANTHROPIC_SIZE_LIMT as i32 { let new_bounds = ObjectFit::ScaleDown.get_bounds( gpui::Bounds { origin: point(px(0.0), px(0.0)), size: size(px(ANTHROPIC_SIZE_LIMT), px(ANTHROPIC_SIZE_LIMT)), }, image_size, ); image = resize( &image, new_bounds.size.width.0 as u32, new_bounds.size.height.0 as u32, image::imageops::FilterType::Triangle, ); } let mut png = Vec::new(); image .write_with_encoder(PngEncoder::new(&mut png)) .log_err()?; let mut base64_image = Vec::new(); { let mut base64_encoder = EncoderWriter::new( Cursor::new(&mut base64_image), &base64::engine::general_purpose::STANDARD, ); base64_encoder.write_all(png.as_slice()).log_err()?; } // SAFETY: The base64 encoder should not produce non-UTF8. let source = unsafe { String::from_utf8_unchecked(base64_image) }; Some(LanguageModelImage { size: image_size, source: source.into(), }) } pub fn estimate_tokens(&self) -> usize { let width = self.size.width.0.unsigned_abs() as usize; let height = self.size.height.0.unsigned_abs() as usize; // From: https://docs.anthropic.com/en/docs/build-with-claude/vision#calculate-image-costs // Note that are a lot of conditions on Anthropic's API, and OpenAI doesn't use this, // so this method is more of a rough guess. (width * height) / 750 }} #[derive(Debug, Clone, Serialize, Deserialize, Eq, PartialEq, Hash)]pub struct LanguageModelToolResult { pub tool_use_id: LanguageModelToolUseId, pub tool_name: Arc<str>, pub is_error: bool, pub content: Arc<str>,} #[derive(Debug, Clone, Serialize, Deserialize, Eq, PartialEq, Hash)]pub enum MessageContent { Text(String), Thinking { text: String, signature: Option<String>, }, RedactedThinking(Vec<u8>), Image(LanguageModelImage), ToolUse(LanguageModelToolUse), ToolResult(LanguageModelToolResult),} impl From<String> for MessageContent { fn from(value: String) -> Self { MessageContent::Text(value) }} impl From<&str> for MessageContent { fn from(value: &str) -> Self { MessageContent::Text(value.to_string()) }} #[derive(Clone, Serialize, Deserialize, Debug, PartialEq, Hash)]pub struct LanguageModelRequestMessage { pub role: Role, pub content: Vec<MessageContent>, pub cache: bool,} impl LanguageModelRequestMessage { pub fn string_contents(&self) -> String { let mut buffer = String::new(); for string in self.content.iter().filter_map(|content| match content { MessageContent::Text(text) => Some(text.as_str()), MessageContent::Thinking { text, .. } => Some(text.as_str()), MessageContent::RedactedThinking(_) => None, MessageContent::ToolResult(tool_result) => Some(tool_result.content.as_ref()), MessageContent::ToolUse(_) | MessageContent::Image(_) => None, }) { buffer.push_str(string); } buffer } pub fn contents_empty(&self) -> bool { self.content.iter().all(|content| match content { MessageContent::Text(text) => text.chars().all(|c| c.is_whitespace()), MessageContent::Thinking { text, .. } => text.chars().all(|c| c.is_whitespace()), MessageContent::ToolResult(tool_result) => { tool_result.content.chars().all(|c| c.is_whitespace()) } MessageContent::RedactedThinking(_) | MessageContent::ToolUse(_) | MessageContent::Image(_) => false, }) }} #[derive(Debug, PartialEq, Hash, Clone, Serialize, Deserialize)]pub struct LanguageModelRequestTool { pub name: String, pub description: String, pub input_schema: serde_json::Value,} #[derive(Clone, Debug, Default, Serialize, Deserialize, PartialEq)]pub struct LanguageModelRequest { pub thread_id: Option<String>, pub prompt_id: Option<String>, pub messages: Vec<LanguageModelRequestMessage>, pub tools: Vec<LanguageModelRequestTool>, pub stop: Vec<String>, pub temperature: Option<f32>,} #[derive(Serialize, Deserialize, Debug, Eq, PartialEq)]pub struct LanguageModelResponseMessage { pub role: Option<Role>, pub content: Option<String>,}
use std::io::{Cursor, Write};
use std::sync::Arc;
use crate::role::Role;
use crate::{LanguageModelToolUse, LanguageModelToolUseId};
use base64::write::EncoderWriter;
use gpui::{
App, AppContext as _, DevicePixels, Image, ObjectFit, RenderImage, SharedString, Size, Task,
point, px, size,
};
use image::{DynamicImage, ImageDecoder, codecs::png::PngEncoder, imageops::resize};
use serde::{Deserialize, Serialize};
use util::ResultExt;
#[derive(Clone, PartialEq, Eq, Serialize, Deserialize, Hash)]
pub struct LanguageModelImage {
/// A base64-encoded PNG image.
pub source: SharedString,
size: Size<DevicePixels>,
}
impl std::fmt::Debug for LanguageModelImage {
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
f.debug_struct("LanguageModelImage")
.field("source", &format!("<{} bytes>", self.source.len()))
.field("size", &self.size)
.finish()
}
}
/// Anthropic wants uploaded images to be smaller than this in both dimensions.
const ANTHROPIC_SIZE_LIMT: f32 = 1568.;
impl LanguageModelImage {
pub fn empty() -> Self {
Self {
source: "".into(),
size: size(DevicePixels(0), DevicePixels(0)),
}
}
pub fn from_image(data: Arc<Image>, cx: &mut App) -> Task<Option<Self>> {
cx.background_spawn(async move {
match data.format() {
gpui::ImageFormat::Png
| gpui::ImageFormat::Jpeg
| gpui::ImageFormat::Webp
| gpui::ImageFormat::Gif => {}
_ => return None,
};
let image = image::codecs::png::PngDecoder::new(Cursor::new(data.bytes())).log_err()?;
let (width, height) = image.dimensions();
let image_size = size(DevicePixels(width as i32), DevicePixels(height as i32));
let mut base64_image = Vec::new();
{
let mut base64_encoder = EncoderWriter::new(
Cursor::new(&mut base64_image),
&base64::engine::general_purpose::STANDARD,
);
if image_size.width.0 > ANTHROPIC_SIZE_LIMT as i32
|| image_size.height.0 > ANTHROPIC_SIZE_LIMT as i32
{
let new_bounds = ObjectFit::ScaleDown.get_bounds(
gpui::Bounds {
origin: point(px(0.0), px(0.0)),
size: size(px(ANTHROPIC_SIZE_LIMT), px(ANTHROPIC_SIZE_LIMT)),
},
image_size,
);
let image = DynamicImage::from_decoder(image).log_err()?.resize(
new_bounds.size.width.0 as u32,
new_bounds.size.height.0 as u32,
image::imageops::FilterType::Triangle,
);
let mut png = Vec::new();
image
.write_with_encoder(PngEncoder::new(&mut png))
.log_err()?;
base64_encoder.write_all(png.as_slice()).log_err()?;
} else {
base64_encoder.write_all(data.bytes()).log_err()?;
}
}
// SAFETY: The base64 encoder should not produce non-UTF8.
let source = unsafe { String::from_utf8_unchecked(base64_image) };
Some(LanguageModelImage {
size: image_size,
source: source.into(),
})
})
}
/// Resolves image into an LLM-ready format (base64).
pub fn from_render_image(data: &RenderImage) -> Option<Self> {
let image_size = data.size(0);
let mut bytes = data.as_bytes(0).unwrap_or(&[]).to_vec();
// Convert from BGRA to RGBA.
for pixel in bytes.chunks_exact_mut(4) {
pixel.swap(2, 0);
}
let mut image = image::RgbaImage::from_vec(
image_size.width.0 as u32,
image_size.height.0 as u32,
bytes,
)
.expect("We already know this works");
// https://docs.anthropic.com/en/docs/build-with-claude/vision
if image_size.width.0 > ANTHROPIC_SIZE_LIMT as i32
|| image_size.height.0 > ANTHROPIC_SIZE_LIMT as i32
{
let new_bounds = ObjectFit::ScaleDown.get_bounds(
gpui::Bounds {
origin: point(px(0.0), px(0.0)),
size: size(px(ANTHROPIC_SIZE_LIMT), px(ANTHROPIC_SIZE_LIMT)),
},
image_size,
);
image = resize(
&image,
new_bounds.size.width.0 as u32,
new_bounds.size.height.0 as u32,
image::imageops::FilterType::Triangle,
);
}
let mut png = Vec::new();
image
.write_with_encoder(PngEncoder::new(&mut png))
.log_err()?;
let mut base64_image = Vec::new();
{
let mut base64_encoder = EncoderWriter::new(
Cursor::new(&mut base64_image),
&base64::engine::general_purpose::STANDARD,
);
base64_encoder.write_all(png.as_slice()).log_err()?;
}
// SAFETY: The base64 encoder should not produce non-UTF8.
let source = unsafe { String::from_utf8_unchecked(base64_image) };
Some(LanguageModelImage {
size: image_size,
source: source.into(),
})
}
pub fn estimate_tokens(&self) -> usize {
let width = self.size.width.0.unsigned_abs() as usize;
let height = self.size.height.0.unsigned_abs() as usize;
// From: https://docs.anthropic.com/en/docs/build-with-claude/vision#calculate-image-costs
// Note that are a lot of conditions on Anthropic's API, and OpenAI doesn't use this,
// so this method is more of a rough guess.
(width * height) / 750
}
}
#[derive(Debug, Clone, Serialize, Deserialize, Eq, PartialEq, Hash)]
pub struct LanguageModelToolResult {
pub tool_use_id: LanguageModelToolUseId,
pub tool_name: Arc<str>,
pub is_error: bool,
pub content: Arc<str>,
}
#[derive(Debug, Clone, Serialize, Deserialize, Eq, PartialEq, Hash)]
pub enum MessageContent {
Text(String),
Thinking {
text: String,
signature: Option<String>,
},
RedactedThinking(Vec<u8>),
Image(LanguageModelImage),
ToolUse(LanguageModelToolUse),
ToolResult(LanguageModelToolResult),
}
impl From<String> for MessageContent {
fn from(value: String) -> Self {
MessageContent::Text(value)
}
}
impl From<&str> for MessageContent {
fn from(value: &str) -> Self {
MessageContent::Text(value.to_string())
}
}
#[derive(Clone, Serialize, Deserialize, Debug, PartialEq, Hash)]
pub struct LanguageModelRequestMessage {
pub role: Role,
pub content: Vec<MessageContent>,
pub cache: bool,
}
impl LanguageModelRequestMessage {
pub fn string_contents(&self) -> String {
let mut buffer = String::new();
for string in self.content.iter().filter_map(|content| match content {
MessageContent::Text(text) => Some(text.as_str()),
MessageContent::Thinking { text, .. } => Some(text.as_str()),
MessageContent::RedactedThinking(_) => None,
MessageContent::ToolResult(tool_result) => Some(tool_result.content.as_ref()),
MessageContent::ToolUse(_) | MessageContent::Image(_) => None,
}) {
buffer.push_str(string);
}
buffer
}
pub fn contents_empty(&self) -> bool {
self.content.iter().all(|content| match content {
MessageContent::Text(text) => text.chars().all(|c| c.is_whitespace()),
MessageContent::Thinking { text, .. } => text.chars().all(|c| c.is_whitespace()),
MessageContent::ToolResult(tool_result) => {
tool_result.content.chars().all(|c| c.is_whitespace())
}
MessageContent::RedactedThinking(_)
| MessageContent::ToolUse(_)
| MessageContent::Image(_) => false,
})
}
}
#[derive(Debug, PartialEq, Hash, Clone, Serialize, Deserialize)]
pub struct LanguageModelRequestTool {
pub name: String,
pub description: String,
pub input_schema: serde_json::Value,
}
#[derive(Clone, Debug, Default, Serialize, Deserialize, PartialEq)]
pub struct LanguageModelRequest {
pub thread_id: Option<String>,
pub prompt_id: Option<String>,
pub messages: Vec<LanguageModelRequestMessage>,
pub tools: Vec<LanguageModelRequestTool>,
pub stop: Vec<String>,
pub temperature: Option<f32>,
}
#[derive(Serialize, Deserialize, Debug, Eq, PartialEq)]
pub struct LanguageModelResponseMessage {
pub role: Option<Role>,
pub content: Option<String>,
}