swf: Scale filter distances where appropriate

swf/src/types/bevel_filter.rs

@@ -37,6 +37,7 @@ impl BevelFilter {
     pub fn scale(&mut self, x: f32, y: f32) {
         self.blur_x *= Fixed16::from_f32(x);
         self.blur_y *= Fixed16::from_f32(y);
+        self.distance *= Fixed16::from_f32(y);
     }
 
     pub fn inner_blur_filter(&self) -> BlurFilter {

swf/src/types/drop_shadow_filter.rs

@@ -36,6 +36,7 @@ impl DropShadowFilter {
     pub fn scale(&mut self, x: f32, y: f32) {
         self.blur_x *= Fixed16::from_f32(x);
         self.blur_y *= Fixed16::from_f32(y);
+        self.distance *= Fixed16::from_f32(y);
     }
 
     pub fn inner_blur_filter(&self) -> BlurFilter {

swf/src/types/gradient_filter.rs

@@ -36,6 +36,7 @@ impl GradientFilter {
     pub fn scale(&mut self, x: f32, y: f32) {
         self.blur_x *= Fixed16::from_f32(x);
         self.blur_y *= Fixed16::from_f32(y);
+        self.distance *= Fixed16::from_f32(y);
     }
 
     pub fn inner_blur_filter(&self) -> BlurFilter {

tests/tests/swfs/visual/filters/drop_shadow_scales_with_screen/test.toml

@@ -0,0 +1,8 @@
+num_frames = 1
+
+[image_comparison]
+tolerance = 2
+
+[player_options]
+with_renderer = { optional = false, sample_count = 1 }
+viewport_dimensions = { width = 800, height = 400, scale_factor = 1.0 }