Draft first working version of iced_glow 🎉

glow/src/viewport.rs

@@ -0,0 +1,33 @@
+use crate::Transformation;
+
+/// A viewing region for displaying computer graphics.
+#[derive(Debug)]
+pub struct Viewport {
+    width: u32,
+    height: u32,
+    transformation: Transformation,
+}
+
+impl Viewport {
+    /// Creates a new [`Viewport`] with the given dimensions.
+    pub fn new(width: u32, height: u32) -> Viewport {
+        Viewport {
+            width,
+            height,
+            transformation: Transformation::orthographic(width, height),
+        }
+    }
+
+    pub fn height(&self) -> u32 {
+        self.height
+    }
+
+    /// Returns the dimensions of the [`Viewport`].
+    pub fn dimensions(&self) -> (u32, u32) {
+        (self.width, self.height)
+    }
+
+    pub(crate) fn transformation(&self) -> Transformation {
+        self.transformation
+    }
+}