added 3dengfx into the repo, probably not the correct version for this

[summerhack] / src / 3dengfx / src / gfx / color.hpp

diff --git a/src/3dengfx/src/gfx/color.hpp b/src/3dengfx/src/gfx/color.hpp
new file mode 100644 (file)
index 0000000..4f2c286
--- /dev/null
+++ b/src/3dengfx/src/gfx/color.hpp
@@ -0,0 +1,76 @@
+/*
+Copyright 2004 John Tsiombikas <nuclear@siggraph.org>
+
+This file is part of the graphics core library.
+
+The graphics core library is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2 of the License, or
+(at your option) any later version.
+
+The graphics core library is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with the graphics core library; if not, write to the Free Software
+Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+*/
+
+/* colors
+ * author: John Tsiombikas 2004
+ */
+
+#ifndef _COLOR2_H_
+#define _COLOR2_H_
+
+#include "3dengfx_config.h"
+#include "color_bits.h"
+
+#ifdef SINGLE_PRECISION_MATH
+typedef float scalar_t;
+#else
+typedef double scalar_t;
+#endif // DOUBLE_PRECISION_MATH
+
+class Color {
+public:
+       scalar_t r, g, b, a;
+
+       Color(scalar_t intensity = 1.0f);
+       Color(scalar_t r, scalar_t g, scalar_t b, scalar_t a = 1.0f);
+
+       Color operator +(const Color &col) const;
+       Color operator -(const Color &col) const;
+       Color operator *(const Color &col) const;
+       Color operator *(scalar_t scalar) const;
+
+       void operator +=(const Color &col);
+       void operator -=(const Color &col);
+       void operator *=(const Color &col);
+       void operator *=(scalar_t scalar);
+
+       unsigned long get_packed32() const;
+       unsigned short get_packed16() const;
+       unsigned short get_packed15() const;
+       unsigned char get_nearest8(const unsigned char **pal) const;
+};
+
+inline Color int_color(int r, int g, int b, int a = 255);
+
+inline unsigned long pack_color32(const Color &col);
+inline unsigned short pack_color16(const Color &col);
+inline unsigned short pack_color15(const Color &col);
+unsigned char match_nearest8(const Color &col, const unsigned char **pal);
+
+inline Color unpack_color32(unsigned long pcol);
+inline Color unpack_color16(unsigned short pcol);
+inline Color unpack_color15(unsigned short pcol);
+inline Color lookup_color8(int index, const unsigned char **pal);
+
+Color blend_colors(const Color &c1, const Color &c2, scalar_t t);
+
+#include "color.inl"
+
+#endif // _COLOR2_H_