renamed yg into graphics.

1 files changed, 88 insertions, 0 deletions

diff --git a/graphics/color.cpp b/graphics/color.cpp
new file mode 100644
index 0000000000..b5c543f379
--- /dev/null
+++ b/graphics/color.cpp
@@ -0,0 +1,88 @@
+#include "color.hpp"
+
+
+namespace graphics
+{
+  Color::Color(unsigned char r1, unsigned char g1, unsigned char b1, unsigned char a1)
+    : r(r1), g(g1), b(b1), a(a1)
+  {}
+
+  Color::Color() : r(0), g(0), b(0), a(0)
+  {}
+
+  Color::Color(Color const & c)
+  {
+    r = c.r;
+    g = c.g;
+    b = c.b;
+    a = c.a;
+  }
+
+  Color const & Color::operator=(Color const & c)
+  {
+    if (&c != this)
+    {
+      r = c.r;
+      g = c.g;
+      b = c.b;
+      a = c.a;
+    }
+    return *this;
+  }
+
+  Color const Color::fromXRGB(uint32_t _c, unsigned char _a)
+  {
+    return Color(
+        redFromARGB(_c),
+        greenFromARGB(_c),
+        blueFromARGB(_c),
+        _a);
+  }
+
+  Color const Color::fromARGB(uint32_t _c)
+  {
+    return Color(
+        redFromARGB(_c),
+        greenFromARGB(_c),
+        blueFromARGB(_c),
+        alphaFromARGB(_c));
+  }
+
+  Color const & Color::operator /= (unsigned k)
+  {
+    r /= k;
+    g /= k;
+    b /= k;
+    a /= k;
+
+    return *this;
+  }
+
+  bool operator < (Color const & l, Color const & r)
+  {
+    if (l.r != r.r) return l.r < r.r;
+    if (l.g != r.g) return l.g < r.g;
+    if (l.b != r.b) return l.b < r.b;
+    if (l.a != r.a) return l.a < r.a;
+    return false;
+  }
+
+  bool operator > (Color const & l, Color const & r)
+  {
+    if (l.r != r.r) return l.r > r.r;
+    if (l.g != r.g) return l.g > r.g;
+    if (l.b != r.b) return l.b > r.b;
+    if (l.a != r.a) return l.a > r.a;
+    return false;
+  }
+
+  bool operator != (Color const & l, Color const & r)
+  {
+    return (l.r != r.r) || (l.g != r.g) || (l.b != r.b) || (l.a != r.a);
+  }
+
+  bool operator == (Color const & l, Color const & r)
+  {
+    return !(l != r);
+  }
+}