From ed58dc39cd660f831de1a0f3aa1bcca06a1481e9 Mon Sep 17 00:00:00 2001
From: gered <gered@blarg.ca>
Date: Sat, 1 Apr 2023 00:49:52 -0400
Subject: [PATCH] add Bitmap texture coordinate sampling convenience method

his has some off-by-one issues ... ? looks like it mostly works fine,
but i need to investigate more
---
 ggdt/src/graphics/bitmap/primitives.rs | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/ggdt/src/graphics/bitmap/primitives.rs b/ggdt/src/graphics/bitmap/primitives.rs
index 1d28b81..507c863 100644
--- a/ggdt/src/graphics/bitmap/primitives.rs
+++ b/ggdt/src/graphics/bitmap/primitives.rs
@@ -66,6 +66,13 @@ impl<PixelType: Pixel> Bitmap<PixelType> {
 		*(self.pixels_at_ptr_unchecked(x, y))
 	}
 
+	#[inline]
+	pub fn sample_at(&self, u: f32, v: f32) -> PixelType {
+		let x = (u * self.width as f32) as i32 % self.width as i32;
+		let y = (v * self.height as f32) as i32 % self.height as i32;
+		unsafe { self.get_pixel_unchecked(x, y) }
+	}
+
 	/// Renders a single character using the font given.
 	#[inline]
 	pub fn print_char<T: Font>(&mut self, ch: char, x: i32, y: i32, opts: FontRenderOpts<PixelType>, font: &T) {