GradientColor.h

00001 /*
00002  * Copyright (c) 2003-2005, Bram Stein
00003  * All rights reserved.
00004  *
00005  * Redistribution and use in source and binary forms, with or without 
00006  * modification, are permitted provided that the following conditions 
00007  * are met:
00008  * 
00009  *  1. Redistributions of source code must retain the above copyright
00010  *     notice, this list of conditions and the following disclaimer. 
00011  *  2. Redistributions in binary form must reproduce the above copyright 
00012  *     notice, this list of conditions and the following disclaimer in the 
00013  *     documentation and/or other materials provided with the distribution. 
00014  *  3. The name of the author may not be used to endorse or promote products 
00015  *     derived from this software without specific prior written permission. 
00016  *
00017  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR "AS IS" AND ANY EXPRESS OR IMPLIED 
00018  * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 
00019  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO 
00020  * EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, 
00021  * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 
00022  * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 
00023  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY 
00024  * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 
00025  * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, 
00026  * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
00027  */
00028 #pragma once
00029 #ifndef GRADIENTCOLOR_H
00030 #define GRADIENTCOLOR_H
00031 
00032 #include ".\Color.h"
00033 
00034 namespace ui
00035 {
00036     namespace util
00037     {
00043         class GradientColor : public Paint
00044         {
00045         public:
00046             GradientColor(const Color& c1, const Color &c2);
00047             GradientColor(const Color& c1, const Color &c2, int direction);
00048 
00049             float getRed(int point) const;
00050             float getGreen(int point) const;
00051             float getBlue(int point) const;
00052             float getAlpha(int point) const;
00053 
00054 
00055             enum
00056             {
00057                 DEGREES_0,
00058                 DEGREES_90,
00059                 DEGREES_180,
00060                 DEGREES_270
00061 
00062             } DIRECTION;
00063 
00064         private:
00065             const Color & getColor(int point) const;
00066             int dir;
00067             Color color1;
00068             Color color2;
00069         };
00070     }
00071 }
00072 #endif

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