init commit

A basic window is available.  Now we shall try to render texts and
some auxiliary functionalities.

1 files changed, 72 insertions, 0 deletions

diff --git a/src/renderer/text.rs b/src/renderer/text.rs
new file mode 100644
index 0000000..ec913b8
--- /dev/null
+++ b/src/renderer/text.rs
@@ -0,0 +1,72 @@
+#![allow(unused)]
+/// This file handles text-related settings.
+
+#[derive(Debug, Clone, Copy)]
+pub struct Color {
+    r: u8,
+    g: u8,
+    b: u8,
+    a: u8,
+}
+
+impl Color {
+    pub fn new(r: u8, g: u8, b: u8, a: u8) -> Self {
+        Self { r, g, b, a }
+    }
+    pub fn new_noa(r: u8, g: u8, b: u8) -> Self {
+        Self { r, g, b, a: 1u8 }
+    }
+}
+
+#[derive(Debug, Clone, Copy)]
+pub struct TextStyle {
+    bold: bool,
+    italic: bool,
+    font_size: u16,
+}
+
+impl TextStyle {
+    pub fn default() -> Self {
+        Self {
+            bold: false,
+            italic: false,
+            font_size: 20,
+        }
+    }
+
+    pub fn default_bold() -> Self {
+        Self {
+            bold: true,
+            ..Self::default()
+        }
+    }
+    pub fn default_italic() -> Self {
+        Self {
+            italic: true,
+            ..Self::default()
+        }
+    }
+}
+
+#[derive(Debug, Clone)]
+pub struct TextSpan<'a> {
+    pub text: &'a str,
+    x: i32,
+    y: i32,
+    fg: Color,
+    bg: Color,
+    pub style: TextStyle,
+}
+
+impl<'a> TextSpan<'a> {
+    pub fn new(text: &'a str, style: TextStyle) -> Self {
+        Self {
+            text,
+            style,
+            x: 0,
+            y: 0,
+            fg: Color::new_noa(255, 0, 0),
+            bg: Color::new_noa(0, 0, 0),
+        }
+    }
+}