Draft new `iced_graphics` crate :tada:

1 files changed, 107 insertions, 0 deletions

diff --git a/graphics/src/primitive.rs b/graphics/src/primitive.rs
new file mode 100644
index 00000000..e73227ef
--- /dev/null
+++ b/graphics/src/primitive.rs
@@ -0,0 +1,107 @@
+use iced_native::{
+    image, svg, Background, Color, Font, HorizontalAlignment, Rectangle, Size,
+    Vector, VerticalAlignment,
+};
+
+use crate::triangle;
+use std::sync::Arc;
+
+/// A rendering primitive.
+#[derive(Debug, Clone)]
+pub enum Primitive {
+    /// An empty primitive
+    None,
+    /// A group of primitives
+    Group {
+        /// The primitives of the group
+        primitives: Vec<Primitive>,
+    },
+    /// A text primitive
+    Text {
+        /// The contents of the text
+        content: String,
+        /// The bounds of the text
+        bounds: Rectangle,
+        /// The color of the text
+        color: Color,
+        /// The size of the text
+        size: f32,
+        /// The font of the text
+        font: Font,
+        /// The horizontal alignment of the text
+        horizontal_alignment: HorizontalAlignment,
+        /// The vertical alignment of the text
+        vertical_alignment: VerticalAlignment,
+    },
+    /// A quad primitive
+    Quad {
+        /// The bounds of the quad
+        bounds: Rectangle,
+        /// The background of the quad
+        background: Background,
+        /// The border radius of the quad
+        border_radius: u16,
+        /// The border width of the quad
+        border_width: u16,
+        /// The border color of the quad
+        border_color: Color,
+    },
+    /// An image primitive
+    Image {
+        /// The handle of the image
+        handle: image::Handle,
+        /// The bounds of the image
+        bounds: Rectangle,
+    },
+    /// An SVG primitive
+    Svg {
+        /// The path of the SVG file
+        handle: svg::Handle,
+
+        /// The bounds of the viewport
+        bounds: Rectangle,
+    },
+    /// A clip primitive
+    Clip {
+        /// The bounds of the clip
+        bounds: Rectangle,
+        /// The offset transformation of the clip
+        offset: Vector<u32>,
+        /// The content of the clip
+        content: Box<Primitive>,
+    },
+    /// A primitive that applies a translation
+    Translate {
+        /// The translation vector
+        translation: Vector,
+
+        /// The primitive to translate
+        content: Box<Primitive>,
+    },
+    /// A low-level primitive to render a mesh of triangles.
+    ///
+    /// It can be used to render many kinds of geometry freely.
+    Mesh2D {
+        /// The size of the drawable region of the mesh.
+        ///
+        /// Any geometry that falls out of this region will be clipped.
+        size: Size,
+
+        /// The vertex and index buffers of the mesh
+        buffers: triangle::Mesh2D,
+    },
+    /// A cached primitive.
+    ///
+    /// This can be useful if you are implementing a widget where primitive
+    /// generation is expensive.
+    Cached {
+        /// The cached primitive
+        cache: Arc<Primitive>,
+    },
+}
+
+impl Default for Primitive {
+    fn default() -> Primitive {
+        Primitive::None
+    }
+}