*去掉文件前缀je_

1 files changed, 119 insertions, 0 deletions

diff --git a/src/libjin/graphics/color.h b/src/libjin/graphics/color.h
new file mode 100644
index 0000000..0f7d6dd
--- /dev/null
+++ b/src/libjin/graphics/color.h
@@ -0,0 +1,119 @@
+/**
+* Some color operating here. 
+*/
+#ifndef __JE_COLOR_H__
+#define __JE_COLOR_H__
+#include "../core/configuration.h"
+#if defined(jin_graphics)
+
+#include "../math/math.h"
+
+#include "../common/types.h"
+#include "../utils/endian.h"
+
+namespace JinEngine 
+{
+    namespace Graphics
+    {
+
+        typedef uint8 Channel;
+
+        class Color
+        {
+        public:
+            // Built-in colors
+            static const Color WHITE;
+            static const Color BLACK;
+            static const Color RED;
+            static const Color GREEN;
+            static const Color BLUE;
+            static const Color MAGENTA;
+            static const Color YELLOW;
+
+            static const uint32 RMASK;
+            static const uint32 GMASK;
+            static const uint32 BMASK;
+            static const uint32 AMASK;
+
+            ///
+            /// Get lerp color with given factor.
+            ///
+            /// @param start Start color. 
+            /// @param end End color. 
+            /// @param t Factor of interplation.
+            /// @return Color after interplation.
+            ///
+            static Color lerp(Color start, Color end, float t)
+            {
+                t = Math::clamp<float>(t, 0, 1);
+                Color c;
+                c.r = Math::lerp(start.r, end.r, t);
+                c.g = Math::lerp(start.g, end.g, t);
+                c.b = Math::lerp(start.b, end.b, t);
+                c.a = Math::lerp(start.a, end.a, t);
+                return c;
+            }
+
+            /// 
+            /// 
+            /// 
+            Color() { r = g = b = a = 0; };
+
+            /// 
+            /// 
+            /// 
+            Color(unsigned char _r
+                , unsigned char _g
+                , unsigned char _b
+                , unsigned char _a = 255)
+            { 
+                r = _r; 
+                g = _g;
+                b = _b; 
+                a = _a;
+            }
+        
+            Color(const Color& c)
+            {
+                r = c.r;
+                g = c.g;
+                b = c.b;
+                a = c.a;
+            }
+
+            void set(unsigned char _r, unsigned char _g, unsigned char _b, unsigned char _a)
+            {
+                r = _r;
+                g = _g;
+                b = _b;
+                a = _a;
+            }
+
+            void operator = (const Color& c)
+            {
+                r = c.r;
+                g = c.g;
+                b = c.b;
+                a = c.a;
+            }
+
+            bool operator == (const Color& c)
+            {
+                return r == c.r && g == c.g && b == c.b && a == c.a;
+            }
+        
+            bool operator != (const Color& c)
+            {
+                return !(r == c.r && g == c.g && b == c.b && a == c.a);
+            }
+
+            Channel r, g, b, a;
+
+        };
+
+    } // namespace Graphics
+} // namespace JinEngine
+
+#endif // jin_graphics
+
+#endif // __JE_COLOR_H__
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