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authorJacques Lucke <jacques@blender.org>2020-07-08 15:40:34 +0300
committerJacques Lucke <jacques@blender.org>2020-07-08 16:10:30 +0300
commita8ff8b64dc4d4bea9ec620920639440496dfcba0 (patch)
treec916476052252d831f7f4a562e87d5bc00922048 /source/blender/blenlib/BLI_color.hh
parentff444da7c45403ac0d112042c9d1d0a1992168d4 (diff)
BLI: add comparison operators and hash functions for float3, etc.
Diffstat (limited to 'source/blender/blenlib/BLI_color.hh')
-rw-r--r--source/blender/blenlib/BLI_color.hh29
1 files changed, 29 insertions, 0 deletions
diff --git a/source/blender/blenlib/BLI_color.hh b/source/blender/blenlib/BLI_color.hh
index 37f74edcf4c..1215affe837 100644
--- a/source/blender/blenlib/BLI_color.hh
+++ b/source/blender/blenlib/BLI_color.hh
@@ -51,6 +51,25 @@ struct Color4f {
stream << "(" << c.r << ", " << c.g << ", " << c.b << ", " << c.a << ")";
return stream;
}
+
+ friend bool operator==(const Color4f &a, const Color4f &b)
+ {
+ return a.r == b.r && a.g == b.g && a.b == b.b && a.a == b.a;
+ }
+
+ friend bool operator!=(const Color4f &a, const Color4f &b)
+ {
+ return !(a == b);
+ }
+
+ uint32_t hash() const
+ {
+ uint32_t x1 = *(uint32_t *)&r;
+ uint32_t x2 = *(uint32_t *)&g;
+ uint32_t x3 = *(uint32_t *)&b;
+ uint32_t x4 = *(uint32_t *)&a;
+ return (x1 * 1283591) ^ (x2 * 850177) ^ (x3 * 735391) ^ (x4 * 442319);
+ }
};
struct Color4b {
@@ -89,6 +108,16 @@ struct Color4b {
stream << "(" << c.r << ", " << c.g << ", " << c.b << ", " << c.a << ")";
return stream;
}
+
+ friend bool operator==(const Color4b &a, const Color4b &b)
+ {
+ return a.r == b.r && a.g == b.g && a.b == b.b && a.a == b.a;
+ }
+
+ friend bool operator!=(const Color4b &a, const Color4b &b)
+ {
+ return !(a == b);
+ }
};
} // namespace blender