From a99056edf20a51ec07d9b3257c5201e0bac3a7a6 Mon Sep 17 00:00:00 2001
From: William Casarin <jb55@jb55.com>
Date: Wed, 5 Jul 2023 14:52:48 -0700
Subject: [PATCH] fonts: change font to onest

---
 src/app.rs    | 11 +++++++++--
 src/fonts.rs  | 28 ++++++++++++++++++++++++++++
 src/images.rs | 45 +++++++++++++++++++++++++++++++++++++++++++++
 src/lib.rs    |  4 ++++
 4 files changed, 86 insertions(+), 2 deletions(-)
 create mode 100644 src/fonts.rs
 create mode 100644 src/images.rs

diff --git a/src/app.rs b/src/app.rs
index 9d6c9a3f..8e20bda9 100644
--- a/src/app.rs
+++ b/src/app.rs
@@ -1,6 +1,7 @@
 use egui_extras::RetainedImage;
 
 use crate::contacts::Contacts;
+use crate::fonts::setup_fonts;
 use crate::{Error, Result};
 use egui::Context;
 use enostr::{ClientMessage, EventId, Filter, Profile, Pubkey, RelayEvent, RelayMessage};
@@ -111,6 +112,7 @@ fn try_process_event(damus: &mut Damus) {
 
 fn update_damus(damus: &mut Damus, ctx: &egui::Context) {
     if damus.state == DamusState::Initializing {
+        setup_fonts(ctx);
         damus.pool = RelayPool::new();
         relay_setup(&mut damus.pool, ctx);
         damus.state = DamusState::Initialized;
@@ -235,7 +237,7 @@ impl Damus {
 }
 
 #[allow(clippy::needless_pass_by_value)]
-fn parse_response(response: ehttp::Response) -> Result<RetainedImage> {
+fn parse_img_response(response: ehttp::Response) -> Result<RetainedImage> {
     let content_type = response.content_type().unwrap_or_default();
 
     if content_type.starts_with("image/svg") {
@@ -263,7 +265,9 @@ fn fetch_img_from_net(ctx: &egui::Context, url: &str) -> Promise<Result<Retained
     let request = ehttp::Request::get(url);
     let ctx = ctx.clone();
     ehttp::fetch(request, move |response| {
-        let image = response.map_err(Error::Generic).and_then(parse_response);
+        let image = response
+            .map_err(Error::Generic)
+            .and_then(parse_img_response);
         sender.send(image); // send the results back to the UI thread.
         ctx.request_repaint();
     });
@@ -318,6 +322,7 @@ fn render_pfp(ui: &mut egui::Ui, img_cache: &mut ImageCache, url: &str) {
 
 fn pfp_image(ui: &mut egui::Ui, img: &RetainedImage, size: f32) -> egui::Response {
     img.show_max_size(ui, egui::vec2(size, size))
+    //.with_options()
 }
 
 fn render_username(ui: &mut egui::Ui, contacts: &Contacts, pk: &Pubkey) {
@@ -329,9 +334,11 @@ fn render_username(ui: &mut egui::Ui, contacts: &Contacts, pk: &Pubkey) {
             }
         }
 
+        /*
         ui.label(&pk.as_ref()[0..8]);
         ui.label(":");
         ui.label(&pk.as_ref()[64 - 8..]);
+        */
     });
 }
 
diff --git a/src/fonts.rs b/src/fonts.rs
new file mode 100644
index 00000000..31be27f0
--- /dev/null
+++ b/src/fonts.rs
@@ -0,0 +1,28 @@
+use egui::{FontData, FontDefinitions, FontFamily};
+
+pub fn setup_fonts(ctx: &egui::Context) {
+    let mut fonts = FontDefinitions::default();
+
+    let our_font: String = "onest".to_owned();
+
+    // Install my own font (maybe supporting non-latin characters):
+    fonts.font_data.insert(
+        our_font.clone(),
+        FontData::from_static(include_bytes!(
+            "../assets/fonts/onest/OnestRegular1602-hint.ttf"
+        )),
+    ); // .ttf and .otf supported
+
+    // Put my font first (highest priority):
+    fonts
+        .families
+        .get_mut(&FontFamily::Proportional)
+        .unwrap()
+        .insert(0, our_font);
+
+    // Put my font as last fallback for monospace:
+    //fonts.families.get_mut(&FontFamily::Monospace).unwrap()
+    //.push("onest".to_owned());
+
+    ctx.set_fonts(fonts);
+}
diff --git a/src/images.rs b/src/images.rs
new file mode 100644
index 00000000..9a51d791
--- /dev/null
+++ b/src/images.rs
@@ -0,0 +1,45 @@
+use egui::{Color32, ColorImage};
+
+pub fn round_image(image: &mut ColorImage) {
+    // The radius to the edge of of the avatar circle
+    let edge_radius = image.size[0] as f32 / 2.0;
+    let edge_radius_squared = edge_radius * edge_radius;
+
+    for (pixnum, pixel) in image.pixels.iter_mut().enumerate() {
+        // y coordinate
+        let uy = pixnum / image.size[0];
+        let y = uy as f32;
+        let y_offset = edge_radius - y;
+
+        // x coordinate
+        let ux = pixnum % image.size[0];
+        let x = ux as f32;
+        let x_offset = edge_radius - x;
+
+        // The radius to this pixel (may be inside or outside the circle)
+        let pixel_radius_squared: f32 = x_offset * x_offset + y_offset * y_offset;
+
+        // If inside of the avatar circle
+        if pixel_radius_squared <= edge_radius_squared {
+            // squareroot to find how many pixels we are from the edge
+            let pixel_radius: f32 = pixel_radius_squared.sqrt();
+            let distance = edge_radius - pixel_radius;
+
+            // If we are within 1 pixel of the edge, we should fade, to
+            // antialias the edge of the circle. 1 pixel from the edge should
+            // be 100% of the original color, and right on the edge should be
+            // 0% of the original color.
+            if distance <= 1.0 {
+                *pixel = Color32::from_rgba_premultiplied(
+                    (pixel.r() as f32 * distance) as u8,
+                    (pixel.g() as f32 * distance) as u8,
+                    (pixel.b() as f32 * distance) as u8,
+                    (pixel.a() as f32 * distance) as u8,
+                );
+            }
+        } else {
+            // Outside of the avatar circle
+            *pixel = Color32::TRANSPARENT;
+        }
+    }
+}
diff --git a/src/lib.rs b/src/lib.rs
index 14d5d9e5..5c3212fc 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -2,6 +2,10 @@ mod app;
 //mod camera;
 mod contacts;
 mod error;
+//mod note;
+//mod block;
+mod fonts;
+mod images;
 mod parser;
 mod result;