things

src/main.zig

@@ -1,8 +1,10 @@
 const std = @import("std");
-const Io = std.Io;
-
 const grome = @import("grome");
 
+const Io = std.Io;
+const Rect = grome.matrix.Rect;
+const DoubleBuffer = grome.draw.DoubleBuffer;
+
 pub fn main(init: std.process.Init) !void {
     // This is appropriate for anything that lives as long as the process.
     const arena: std.mem.Allocator = init.arena.allocator();
@@ -13,10 +15,8 @@ pub fn main(init: std.process.Init) !void {
     const stdout_writer = &stdout_file_writer.interface;
 
     // alright lets play with the matrix
-    const width = 50;
-    const height = 50;
-    var matrix = try grome.Matrix(u8, width, height).init(arena, ' ');
-    var iter = matrix.row_iterator();
+    const size = Rect{ .height = 20, .width = 50 };
+    var matrix = try DoubleBuffer.init(arena, size);
 
     const density = (width * height) / 100;
     for (0..density) |_| {