Add wrapper functions for getting and setting renderer integer scaling

changelog.md

@@ -10,6 +10,8 @@ enum variants directly in your project, you may be affected. If you only used sd
 
 [PR #1150](https://github.com/Rust-SDL2/rust-sdl2/pull/1150) Do not download SDL2 sources when using bundled feature
 
+[PR #1112](https://github.com/Rust-SDL2/rust-sdl2/pull/1150) Add wrapper functions for `SDL_RenderSetIntegerScale` and `SDL_RenderGetIntegerScale`
+
 ### v0.34.5
 
 [PR #1100](https://github.com/Rust-SDL2/rust-sdl2/pull/1100) Added binding for `SDL_GetDisplayUsableBounds`

src/sdl2/render.rs

@@ -1148,6 +1148,32 @@ impl<T: RenderTarget> Canvas<T> {
         }
     }
 
+    /// Sets whether to force integer scales for resolution-independent rendering.
+    #[doc(alias = "SDL_RenderSetIntegerScale")]
+    pub fn set_integer_scale(&mut self, scale: bool) -> Result<(), String> {
+        let ret = unsafe {
+            sys::SDL_RenderSetIntegerScale(
+                self.raw(),
+                if scale {
+                    sys::SDL_bool::SDL_TRUE
+                } else {
+                    sys::SDL_bool::SDL_FALSE
+                },
+            )
+        };
+        if ret != 0 {
+            Err(get_error())
+        } else {
+            Ok(())
+        }
+    }
+
+    /// Gets whether integer scales are forced for resolution-independent rendering.
+    #[doc(alias = "SDL_RenderGetIntegerScale")]
+    pub fn integer_scale(&self) -> bool {
+        unsafe { sys::SDL_RenderGetIntegerScale(self.raw()) == sys::SDL_bool::SDL_TRUE }
+    }
+
     /// Sets the drawing scale for rendering on the current target.
     #[doc(alias = "SDL_RenderSetScale")]
     pub fn set_scale(&mut self, scale_x: f32, scale_y: f32) -> Result<(), String> {