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convenience method for win32

This commit is contained in:
Adam D. Ruppe 2021-11-27 22:20:04 -05:00
parent a7d045f632
commit 234da9fe86
1 changed files with 32 additions and 0 deletions
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32
color.d
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@ -162,6 +162,38 @@ struct Color {
uint asUint; /// The components as a single 32 bit value (beware of endian issues!) uint asUint; /// The components as a single 32 bit value (beware of endian issues!)
} }
/++
Returns a value compatible with [https://docs.microsoft.com/en-us/windows/win32/gdi/colorref|a Win32 COLORREF].
Please note that the alpha value is lost in translation.
History:
Added November 27, 2021 (dub v10.4)
See_Also:
[fromWindowsColorRef]
+/
nothrow pure @nogc
uint asWindowsColorRef() {
uint cr;
cr |= b << 16;
cr |= g << 8;
cr |= r;
return cr;
}
/++
Constructs a Color from [https://docs.microsoft.com/en-us/windows/win32/gdi/colorref|a Win32 COLORREF].
History:
Added November 27, 2021 (dub v10.4)
See_Also:
[asWindowsColorRef]
+/
nothrow pure @nogc
static Color fromWindowsColorRef(uint cr) {
return Color(cr & 0xff, (cr >> 8) & 0xff, (cr >> 16) & 0xff);
}
/++ /++
Like the constructor, but this makes sure they are in range before casting. If they are out of range, it saturates: anything less than zero becomes zero and anything greater than 255 becomes 255. Like the constructor, but this makes sure they are in range before casting. If they are out of range, it saturates: anything less than zero becomes zero and anything greater than 255 becomes 255.
+/ +/