From 2d4f2b5a8c0ba1dbec8e295a1b5605dd9028d071 Mon Sep 17 00:00:00 2001
From: Akshay <nerdy@peppe.rs>
Date: Mon, 15 Mar 2021 21:06:20 +0530
Subject: factor out common utils into module

---
 src/app.rs   | 35 +++++------------------------------
 src/main.rs  |  3 ++-
 src/utils.rs | 30 ++++++++++++++++++++++++++++++
 3 files changed, 37 insertions(+), 31 deletions(-)
 create mode 100644 src/utils.rs

diff --git a/src/app.rs b/src/app.rs
index 03389fb..059635a 100644
--- a/src/app.rs
+++ b/src/app.rs
@@ -1,11 +1,13 @@
 use crate::{
     bitmap::{MapPoint, Pixmap},
-    consts::{colors::*, FONT_PATH},
+    consts::colors::*,
+    rect,
     symmetry::Symmetry,
     undo::{ModifyRecord, OpKind, Operation, UndoStack},
+    utils::draw_text,
 };
 
-use std::convert::{From, TryFrom};
+use std::convert::From;
 
 use sdl2::{
     event::Event,
@@ -19,12 +21,6 @@ use sdl2::{
     Sdl,
 };
 
-macro_rules! quick_rect(
-    ($x:expr, $y:expr, $w:expr, $h:expr) => (
-        Rect::new($x as i32, $y as i32, $w as u32, $h as u32)
-    )
-);
-
 pub struct AppState<'ctx> {
     active_color: bool,
     brush_size: u8,
@@ -260,7 +256,7 @@ impl<'ctx> AppState<'ctx> {
         let status_width = winsize_x;
         self.canvas.set_draw_color(WHITE);
         self.canvas
-            .fill_rect(quick_rect!(
+            .fill_rect(rect!(
                 0,
                 winsize_y - status_height,
                 status_width,
@@ -520,24 +516,3 @@ impl<'ctx> AppState<'ctx> {
         }
     }
 }
-
-fn draw_text<S: AsRef<str>>(
-    canvas: &mut Canvas<Window>,
-    ttf_context: &Sdl2TtfContext,
-    text: S,
-    color: Color,
-    (x, y): (u32, u32),
-) {
-    let text = text.as_ref();
-    let texture_creator = canvas.texture_creator();
-    let mut font = ttf_context.load_font(FONT_PATH, 17).unwrap();
-    font.set_style(sdl2::ttf::FontStyle::NORMAL);
-    font.set_hinting(sdl2::ttf::Hinting::Mono);
-    let surface = font.render(text.as_ref()).blended(color).unwrap();
-    let texture = texture_creator
-        .create_texture_from_surface(&surface)
-        .unwrap();
-    let (width, height) = font.size_of_latin1(text.as_bytes()).unwrap();
-    let area = quick_rect!(x, y, width, height);
-    canvas.copy(&texture, None, area).unwrap();
-}
diff --git a/src/main.rs b/src/main.rs
index 1aaa954..c9c1bdd 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -3,11 +3,12 @@ mod bitmap;
 mod consts;
 mod symmetry;
 mod undo;
+mod utils;
 
 use app::AppState;
 
 pub fn main() {
     let sdl_context = sdl2::init().unwrap();
     let ttf_context = sdl2::ttf::init().unwrap();
-    AppState::init(100, 100, &sdl_context, &ttf_context).run();
+    AppState::init(160, 160, &sdl_context, &ttf_context).run();
 }
diff --git a/src/utils.rs b/src/utils.rs
new file mode 100644
index 0000000..e36a8cc
--- /dev/null
+++ b/src/utils.rs
@@ -0,0 +1,30 @@
+use crate::consts::FONT_PATH;
+use sdl2::{pixels::Color, render::Canvas, ttf::Sdl2TtfContext, video::Window};
+
+#[macro_export]
+macro_rules! rect(
+    ($x:expr, $y:expr, $w:expr, $h:expr) => (
+        ::sdl2::rect::Rect::new($x as i32, $y as i32, $w as u32, $h as u32)
+    )
+);
+
+pub fn draw_text<S: AsRef<str>>(
+    canvas: &mut Canvas<Window>,
+    ttf_context: &Sdl2TtfContext,
+    text: S,
+    color: Color,
+    (x, y): (u32, u32),
+) {
+    let text = text.as_ref();
+    let texture_creator = canvas.texture_creator();
+    let mut font = ttf_context.load_font(FONT_PATH, 17).unwrap();
+    font.set_style(sdl2::ttf::FontStyle::NORMAL);
+    font.set_hinting(sdl2::ttf::Hinting::Mono);
+    let surface = font.render(text.as_ref()).blended(color).unwrap();
+    let texture = texture_creator
+        .create_texture_from_surface(&surface)
+        .unwrap();
+    let (width, height) = font.size_of_latin1(text.as_bytes()).unwrap();
+    let area = rect!(x, y, width, height);
+    canvas.copy(&texture, None, area).unwrap();
+}
-- 
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