Add Canvas.loadFontRaw and Surface.fromRaw

client.ts

@@ -5,7 +5,7 @@ if (
   const selfPath = new URL(import.meta.url).pathname;
   const worker = new Worker(`file://${selfPath}`, { type: "module" });
 } else {
-  const ws = new WebSocket('ws://localhost:1234');
+  const ws = new WebSocket("ws://localhost:1234");
   self.onmessage = (event) => {
     ws.send(event.data);
   };

examples/sprite/client.ts

@@ -1 +0,0 @@
-

examples/sprite/main.ts

@@ -10,7 +10,7 @@ function sleepSync(ms: number) {
   }
 }
 
-const canvasSize = { width: 1000, height:800 };
+const canvasSize = { width: 1000, height: 800 };
 const window = new WindowBuilder(
   "Hello, Deno!",
   canvasSize.width,
@@ -131,12 +131,14 @@ function frame(e) {
 
     // check for collision with tiles on map
     for (const tile of tiles) {
-      if (deno.x < tile.x + tile.width &&
-	deno.x + deno.frames[0].width * deno.scale > tile.x &&
-	deno.y < tile.y + tile.height &&
-	deno.y + deno.frames[0].height * deno.scale > tile.y) {
-	deno.x -= deno.vx;
-	deno.y -= deno.vy;
+      if (
+        deno.x < tile.x + tile.width &&
+        deno.x + deno.frames[0].width * deno.scale > tile.x &&
+        deno.y < tile.y + tile.height &&
+        deno.y + deno.frames[0].height * deno.scale > tile.y
+      ) {
+        deno.x -= deno.vx;
+        deno.y -= deno.vy;
       }
     }
   }

mod.ts

@@ -286,6 +286,10 @@ const sdl2 = Deno.dlopen(getLibraryPath("SDL2"), {
     "parameters": [],
     "result": "i32",
   },
+  "SDL_RWFromMem": {
+    "parameters": ["buffer", "i32"],
+    "result": "pointer",
+  },
 });
 
 const SDL2_Image_symbols = {
@@ -297,6 +301,10 @@ const SDL2_Image_symbols = {
     "parameters": ["buffer"],
     "result": "pointer",
   },
+  "IMG_Load_RW": {
+    "parameters": ["pointer"],
+    "result": "pointer",
+  },
 } as const;
 
 const SDL2_TTF_symbols = {
@@ -308,6 +316,10 @@ const SDL2_TTF_symbols = {
     "parameters": ["buffer", "i32"],
     "result": "pointer",
   },
+  "TTF_OpenFontRW": {
+    "parameters": ["pointer", "i32", "i32"],
+    "result": "pointer",
+  },
   "TTF_RenderText_Solid": {
     "parameters": ["pointer", "buffer", "pointer"],
     "result": "pointer",
@@ -409,9 +421,7 @@ function init() {
   }
 }
 
-if (typeof window !== "undefined") {
- init();
-}
+init();
 
 /**
  * An enum that contains structures for the different event types.
@@ -691,6 +701,18 @@ export class Canvas {
     const raw = sdl2Font.symbols.TTF_OpenFont(asCString(path), size);
     return new Font(raw);
   }
+
+  loadFontRaw(data: Uint8Array, size: number): Font {
+    const rwops = sdl2.symbols.SDL_RWFromMem(data, data.byteLength);
+    if (rwops === null) {
+      throwSDLError();
+    }
+    const raw = sdl2Font.symbols.TTF_OpenFontRW(rwops, 1, size);
+    if (raw === null) {
+      throwSDLError();
+    }
+    return new Font(raw);
+  }
 }
 
 /**
@@ -1027,6 +1049,20 @@ export class Surface {
     }
     return new Surface(raw);
   }
+
+  static fromRaw(data: Uint8Array): Surface {
+    if (!sdl2Image) {
+      throw new Error("SDL2_image was not loaded");
+    }
+
+    const rwops = sdl2.symbols.SDL_RWFromMem(data, data.byteLength);
+    const raw = sdl2Image.symbols.IMG_Load_RW(rwops);
+    if (raw === null) {
+      throwSDLError();
+    }
+
+    return new Surface(raw);
+  }
 }
 
 const sizeOfEvent = 56; // type (u32) + event