color.cpp

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00001 /*
00002  * color.cpp
00003  *
00004  * Copyright (C) 2010  Thomas A. Vaughan
00005  * All rights reserved.
00006  *
00007  *
00008  * Redistribution and use in source and binary forms, with or without
00009  * modification, are permitted provided that the following conditions are met:
00010  *     * Redistributions of source code must retain the above copyright
00011  *       notice, this list of conditions and the following disclaimer.
00012  *     * Redistributions in binary form must reproduce the above copyright
00013  *       notice, this list of conditions and the following disclaimer in the
00014  *       documentation and/or other materials provided with the distribution.
00015  *     * Neither the name of the <organization> nor the
00016  *       names of its contributors may be used to endorse or promote products
00017  *       derived from this software without specific prior written permission.
00018  *
00019  * THIS SOFTWARE IS PROVIDED BY THOMAS A. VAUGHAN ''AS IS'' AND ANY
00020  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
00021  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
00022  * DISCLAIMED. IN NO EVENT SHALL THOMAS A. VAUGHAN BE LIABLE FOR ANY
00023  * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
00024  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
00025  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
00026  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
00027  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
00028  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
00029  *
00030  *
00031  * Implementation of color helper methods
00032  */
00033 
00034 // includes --------------------------------------------------------------------
00035 #include "color.h"              // always include our own header file first!
00036 
00037 #include "common/wave_ex.h"
00038 #include "perf/perf.h"
00039 #include "util/parsing.h"
00040 
00041 
00042 ////////////////////////////////////////////////////////////////////////////////
00043 //
00044 //      static helper methods
00045 //
00046 ////////////////////////////////////////////////////////////////////////////////
00047 
00048 
00049 
00050 ////////////////////////////////////////////////////////////////////////////////
00051 //
00052 //      public API
00053 //
00054 ////////////////////////////////////////////////////////////////////////////////
00055 
00056 void
00057 getImgColorFromString
00058 (
00059 IN const char * text,
00060 OUT img_color_t& color
00061 )
00062 {
00063         ASSERT(text, "null");
00064         color.clear();
00065 
00066         dictionary_t data;
00067         getDictionaryFromString(text, "parsing color string", data);
00068 
00069         color.set(atoi(getOptionalValue(data, "r", "0")),
00070             atoi(getOptionalValue(data, "g", "0")),
00071             atoi(getOptionalValue(data, "b", "0")),
00072             atoi(getOptionalValue(data, "a", "255")));
00073 }
00074