App icon: full rounded tile on Windows and Linux (#159)

The hicolor theme, the .ico and the window icon now show the whole tile with its rounded
corners, like the other Crafting Apps, instead of a crop that cut most of the corners off.

apps/figcraft/src/services.rs

@@ -210,7 +210,7 @@ impl Services for Desktop {
 
 /// The window icon from the bundled app icon (if present).
 pub fn window_icon() -> Option<egui::IconData> {
-    // macOS wants Apple's padded grid; the other platforms the tile edge to edge.
+    // macOS wants Apple's padded grid; the other platforms the rounded tile edge to edge.
     #[cfg(target_os = "macos")]
     let bytes = include_bytes!("../../../assets/app-icon/figcraft-256.png");
     #[cfg(not(target_os = "macos"))]

assets/app-icon/README.md

@@ -16,8 +16,8 @@ Exactly three colours:
 ## Geometry
 
 A 512-unit tile (`viewBox="0 0 512 512"`), rounded square with `rx=112`, no border. The macOS
-renders pad it onto Apple's 824/1024 icon grid; the Windows and Linux renders crop 22 units off
-each side so the figure reads at 16–48 px.
+renders pad it onto Apple's 824/1024 icon grid; Windows and Linux use the tile edge to edge, with
+its rounded corners, like the other Crafting Apps.
 
 ## Provenance
 

xtask/src/icon.rs

@@ -9,8 +9,6 @@ use std::process::Command;
 const VIEW_BOX: &str = r#"viewBox="0 0 512 512""#;
 /// macOS: the 512-unit tile padded onto Apple's 824/1024 icon grid (transparent margin).
 const MAC_VIEW_BOX: &str = r#"viewBox="-62 -62 636 636""#;
-/// Windows and Linux: 22 units cropped off each side so the portrait reads at 16-48 px.
-const TIGHT_VIEW_BOX: &str = r#"viewBox="22 22 468 468""#;
 
 fn render(svg: &Path, size: u32, out: &Path) -> bool {
     let s = size.to_string();
@@ -32,10 +30,9 @@ pub fn generate(root: &Path) -> bool {
         return false;
     }
     let tmp = root.join("target/icon");
-    let (mac, tight) = (tmp.join("mac.svg"), tmp.join("tight.svg"));
-    let mut ok = std::fs::create_dir_all(&tmp).is_ok()
-        && std::fs::write(&mac, master.replacen(VIEW_BOX, MAC_VIEW_BOX, 1)).is_ok()
-        && std::fs::write(&tight, master.replacen(VIEW_BOX, TIGHT_VIEW_BOX, 1)).is_ok();
+    // Windows and Linux show the tile edge to edge, rounded corners and all: the master as it is.
+    let (mac, tile) = (tmp.join("mac.svg"), dir.join("figcraft.svg"));
+    let mut ok = std::fs::create_dir_all(&tmp).is_ok() && std::fs::write(&mac, master.replacen(VIEW_BOX, MAC_VIEW_BOX, 1)).is_ok();
     if !ok {
         eprintln!("icon: cannot write {}", tmp.display());
         return false;
@@ -45,7 +42,7 @@ pub fn generate(root: &Path) -> bool {
         if size <= 512 {
             let hd = dir.join(format!("hicolor/{size}x{size}/apps"));
             let _ = std::fs::create_dir_all(&hd);
-            ok &= render(&tight, size, &hd.join("ai.storyteller.figcraft.png"));
+            ok &= render(&tile, size, &hd.join("ai.storyteller.figcraft.png"));
         }
     }
     // Windows .ico (PNG-compressed entries).
@@ -54,7 +51,7 @@ pub fn generate(root: &Path) -> bool {
         .iter()
         .filter_map(|s| {
             let png = tmp.join(format!("ico-{s}.png"));
-            render(&tight, *s, &png).then(|| std::fs::read(png).ok()).flatten()
+            render(&tile, *s, &png).then(|| std::fs::read(png).ok()).flatten()
         })
         .collect();
     ok &= pngs.len() == sizes.len();