[#66] Add HandleStyle

texture_generation/src/generation/component/rendering/mod.rs

@@ -13,7 +13,11 @@ pub mod depth_factory;
 /// Renders the texture.
 pub enum RenderingComponent {
     /// Fills the area with a color.
-    FillArea { color: Color, depth: u8 },
+    FillArea {
+        color: Color,
+        depth: u8,
+    },
+    Mock,
     /// Renders a [`Shape`].
     Shape {
         shape_factory: ShapeFactory,
@@ -78,6 +82,7 @@ impl RenderingComponent {
                     point.y += 1;
                 }
             }
+            RenderingComponent::Mock => {}
             RenderingComponent::Shape {
                 shape_factory,
                 color_selector,

texture_generation/src/math/point.rs

@@ -39,6 +39,17 @@ impl Point {
         Point { x, y }
     }
 
+    /// Returns a new point with switched x & <height>.
+    ///
+    /// ```
+    ///# use texture_generation::math::point::Point;
+    /// let point = Point::new(-10, 30);
+    /// assert_eq!(point.flip(), Point::new(30, -10));
+    /// ```
+    pub fn flip(&self) -> Point {
+        Point::new(self.y, self.x)
+    }
+
     /// Calculates the euclidean distance to another point.
     ///
     /// ```

tilemap/src/rendering/style/handle.rs

@@ -0,0 +1,68 @@
+use anyhow::{bail, Result};
+use texture_generation::generation::component::rendering::RenderingComponent;
+use texture_generation::math::point::Point;
+use texture_generation::math::size::Size;
+
+#[derive(Clone, Debug, PartialEq)]
+pub struct HandleStyle {
+    on_both_sides: bool,
+    horizontal_pos: Point,
+    vertical_pos: Point,
+    horizontal_size: Size,
+    vertical_size: Size,
+    component: RenderingComponent,
+}
+
+impl HandleStyle {
+    pub fn new(
+        on_both_sides: bool,
+        pos: Point,
+        size: Size,
+        component: RenderingComponent,
+    ) -> Result<HandleStyle> {
+        if size.width() == 0 {
+            bail!("Argument 'size.width' needs to be greater than 0");
+        } else if size.height() == 0 {
+            bail!("Argument 'size.height' needs to be greater than 0");
+        }
+
+        Ok(HandleStyle {
+            on_both_sides,
+            horizontal_pos: pos,
+            vertical_pos: pos.flip(),
+            horizontal_size: size,
+            vertical_size: size.flip(),
+            component,
+        })
+    }
+}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+    use texture_generation::generation::component::rendering::RenderingComponent;
+
+    #[test]
+    #[should_panic]
+    fn test_new_with_0_width() {
+        HandleStyle::new(
+            true,
+            Point::default(),
+            Size::new(0, 10),
+            RenderingComponent::Mock,
+        )
+        .unwrap();
+    }
+
+    #[test]
+    #[should_panic]
+    fn test_new_with_0_height() {
+        HandleStyle::new(
+            true,
+            Point::default(),
+            Size::new(20, 0),
+            RenderingComponent::Mock,
+        )
+        .unwrap();
+    }
+}

tilemap/src/rendering/style/mod.rs

@@ -1,5 +1,6 @@
 pub mod door;
 pub mod edge;
+pub mod handle;
 pub mod node;
 pub mod wall;
 pub mod window;