🎉 Store custom fonts (ttfs) and use them to write texts (wasm) (#6050)

render-wasm/src/wasm/fonts.rs

@@ -0,0 +1,35 @@
+use crate::mem;
+use crate::utils::uuid_from_u32_quartet;
+use crate::with_state;
+use crate::STATE;
+
+use crate::shapes::FontFamily;
+
+#[no_mangle]
+pub extern "C" fn store_font(a: u32, b: u32, c: u32, d: u32, weight: u32, style: u8) {
+    with_state!(state, {
+        let id = uuid_from_u32_quartet(a, b, c, d);
+        let font_bytes = mem::bytes();
+
+        let family = FontFamily::new(id, weight, style.into());
+
+        let res = state.render_state().fonts_mut().add(family, &font_bytes);
+        match res {
+            Err(msg) => {
+                eprintln!("{}", msg);
+            }
+            _ => {}
+        }
+    });
+}
+
+#[no_mangle]
+pub extern "C" fn is_font_uploaded(a: u32, b: u32, c: u32, d: u32, weight: u32, style: u8) -> bool {
+    with_state!(state, {
+        let id = uuid_from_u32_quartet(a, b, c, d);
+        let family = FontFamily::new(id, weight, style.into());
+        let res = state.render_state().fonts().has_family(&family);
+
+        return res;
+    });
+}

render-wasm/src/wasm/text.rs

@@ -1,4 +1,6 @@
 use crate::mem;
+use crate::shapes::FontFamily;
+use crate::utils::uuid_from_u32_quartet;
 use crate::with_current_shape;
 use crate::STATE;
 
@@ -20,14 +22,25 @@ pub extern "C" fn add_text_paragraph() {
 }
 
 #[no_mangle]
-pub extern "C" fn add_text_leaf() {
+pub extern "C" fn add_text_leaf(
+    a: u32,
+    b: u32,
+    c: u32,
+    d: u32,
+    weight: u32,
+    style: u8,
+    font_size: f32,
+) {
+    let font_id = uuid_from_u32_quartet(a, b, c, d);
+    let font_family = FontFamily::new(font_id, weight, style.into());
     let bytes = mem::bytes();
+
     let text = unsafe {
         String::from_utf8_unchecked(bytes) // TODO: handle this error
     };
 
     with_current_shape!(state, |shape: &mut Shape| {
-        let res = shape.add_text_leaf(&text);
+        let res = shape.add_text_leaf(text, font_family, font_size);
         if let Err(err) = res {
             eprintln!("{}", err);
         }