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sys/windows: change macro and add comment

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hikari
2022-04-30 13:34:11 +03:00
parent 40bea95fb0
commit 8c7f3fd1e6
1 changed files with 4 additions and 2 deletions
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6
core/sys/windows/gdi32.odin
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@@ -67,6 +67,8 @@ foreign gdi32 {
PatBlt :: proc(hdc: HDC, x, y, w, h: c_int, rop: DWORD) -> BOOL ---
}
RGB :: proc(r, g, b: u8) -> COLORREF {
return COLORREF(COLORREF(r) | COLORREF(g) << 8 | COLORREF(b) << 16)
// Windows colors are packed as ABGR
RGB :: #force_inline proc "contextless" (r, g, b: u8) -> COLORREF {
res: [4]u8 = {0, rgb.b, rgb.g, rgb.r}
return transmute(COLORREF)res
}