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Deprecate incorrect Color::gray()

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This average is not a proper approximation of a grayscale value,
get_v() is better suited for that.

If we want a real to_grayscale() conversion, it's somewhat more
involved: https://en.wikipedia.org/wiki/Grayscale

Remove the deprecated Gray() from C# bindings as it conflicts
with new named color constants.
This commit is contained in:
Rémi Verschelde 2018-08-21 17:47:31 +02:00
parent 238b70e2db
commit 2969dffbe3
4 changed files with 6 additions and 8 deletions
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4
core/image.cpp
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@ -2230,10 +2230,10 @@ void Image::set_pixel(int p_x, int p_y, const Color &p_color) {
switch (format) {
case FORMAT_L8: {
ptr[ofs] = uint8_t(CLAMP(p_color.gray() * 255.0, 0, 255));
ptr[ofs] = uint8_t(CLAMP(p_color.get_v() * 255.0, 0, 255));
} break;
case FORMAT_LA8: {
ptr[ofs * 2 + 0] = uint8_t(CLAMP(p_color.gray() * 255.0, 0, 255));
ptr[ofs * 2 + 0] = uint8_t(CLAMP(p_color.get_v() * 255.0, 0, 255));
ptr[ofs * 2 + 1] = uint8_t(CLAMP(p_color.a * 255.0, 0, 255));
} break;
case FORMAT_R8: {