From ae44478b30d890fe0fb04022f44d474dcdcc3f9d Mon Sep 17 00:00:00 2001
From: Lassi Pulkkinen <lassi@pulk.fi>
Date: Thu, 31 Oct 2024 03:11:21 +0200
Subject: Initial commit (import old repo)

---
 sdl2/pixels.ha | 55 +++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 55 insertions(+)
 create mode 100644 sdl2/pixels.ha

(limited to 'sdl2/pixels.ha')

diff --git a/sdl2/pixels.ha b/sdl2/pixels.ha
new file mode 100644
index 0000000..7aa8733
--- /dev/null
+++ b/sdl2/pixels.ha
@@ -0,0 +1,55 @@
+// TODO: Flesh me out
+use types::c;
+
+export type SDL_Color = struct {
+	r: u8,
+	g: u8,
+	b: u8,
+	a: u8,
+};
+
+export type SDL_Palette = struct {
+	ncolors: int,
+	colors: *SDL_Color,
+	version: u32,
+	refcount: int,
+};
+
+// Note: Everything in the pixel format structure is read-only.
+export type SDL_PixelFormat = struct {
+	format: u32, // TODO
+	palette: *SDL_Palette,
+	bitsperpixel: u8,
+	bytesperpixel: u8,
+	padding: [2]u8,
+	rmask: u32,
+	gmask: u32,
+	bmask: u32,
+	amask: u32,
+	rloss: u8,
+	gloss: u8,
+	bloss: u8,
+	aloss: u8,
+	rshift: u8,
+	gshift: u8,
+	bshift: u8,
+	ashift: u8,
+	refcount: int,
+	next: nullable *SDL_PixelFormat,
+};
+
+export def SDL_PIXELFORMAT_ARGB8888: u32 = 0x16362004;
+
+@symbol("SDL_GetPixelFormatName") fn _SDL_GetPixelFormatName(format: u32)
+	const *c::char;
+
+// Get the human readable name of a pixel format.
+export fn SDL_GetPixelFormatName(format: u32) str = {
+	return c::tostr(_SDL_GetPixelFormatName(format))!;
+};
+
+// Map an RGB triple to an opaque pixel value for a given pixel format.
+export @symbol("SDL_MapRGB") fn SDL_MapRGB(format: *SDL_PixelFormat, r: u8, g: u8, b: u8) u32;
+
+// Map an RGBA quadruple to a pixel value for a given pixel format.
+export @symbol("SDL_MapRGBA") fn SDL_MapRGBA(format: *SDL_PixelFormat, r: u8, g: u8, b: u8, a: u8) u32;
-- 
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