working on dynamic v's

src/canvas/canvas_buffer.rs

@@ -9,6 +9,8 @@ use vulkano::buffer::{CpuAccessibleBuffer, BufferAccess};
 use vulkano::pipeline::GraphicsPipelineAbstract;
 use rusttype::Font;
 
+
+/// Canvas buffer which represents an allocated Texture with a key and dimensions
 #[derive(Clone)]
 pub struct CanvasTexture {
     pub(crate) handle: Arc<CanvasTextureHandle>,
@@ -31,6 +33,7 @@ impl CanvasTexture {
     }
 }
 
+/// Canvas buffer which represents an allocated image and dimension
 #[derive(Clone)]
 pub struct CanvasImage {
     pub(crate) handle: Arc<CanvasImageHandle>,