update servicepoint library to fix parsing error for clear

Cargo.lock

@@ -1521,9 +1521,9 @@ dependencies = [
 
 [[package]]
 name = "servicepoint"
-version = "0.15.1"
+version = "0.15.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2800caad491cb44f67e5dd5b8c61ece368eecfe588155d03c7d9864acbad6919"
+checksum = "7d1e88713031e003dc3ee708dbb282e36714eee466a12d311d0e2e24c61c7118"
 dependencies = [
  "bitvec",
  "bzip2",

Cargo.toml

@@ -7,7 +7,7 @@ license = "GPL-3.0-or-later"
 keywords = ["cccb", "cccb-servicepoint", "cli"]
 description = "A simulator for the Service Point display."
 homepage = "https://git.berlin.ccc.de/servicepoint/servicepoint-simulator"
-repository = "https://git.berlin.ccc.de/servicepoint/servicepoint-simulator"
+repository = "https://git.berlin.ccc.de/servicepoint/servicepoint-simulator.git"
 readme = "README.md"
 rust-version = "1.80.0"
 resolver = "2"
@@ -20,7 +20,7 @@ clap = { version = "4.5", features = ["derive"] }
 thiserror = "2.0"
 
 # package parsing
-servicepoint = { features = ["all_compressions"], version = "0.15.1" }
+servicepoint = { features = ["all_compressions"], version = "0.15.2" }
 
 # font rendering
 font-kit = "0.14.2"

src/font_renderer.rs

@@ -102,8 +102,8 @@ impl FontRenderer8x8 {
         for y in 0..TILE_SIZE {
             for x in 0..TILE_SIZE {
                 let canvas_val = canvas.pixels[x + y * TILE_SIZE] != 0;
-                let bitmap_x = (offset.x + x) as isize;
-                let bitmap_y = (offset.y + y) as isize;
+                let bitmap_x = offset.x + x;
+                let bitmap_y = offset.y + y;
                 if !bitmap.set_optional(bitmap_x, bitmap_y, canvas_val) {
                     return Err(OutOfBounds(x, y));
                 }