ElementBackground.h

00001 /*
00002  * This source file is part of libRocket, the HTML/CSS Interface Middleware
00003  *
00004  * For the latest information, see http://www.librocket.com
00005  *
00006  * Copyright (c) 2008-2010 CodePoint Ltd, Shift Technology Ltd
00007  *
00008  * Permission is hereby granted, free of charge, to any person obtaining a copy
00009  * of this software and associated documentation files (the "Software"), to deal
00010  * in the Software without restriction, including without limitation the rights
00011  * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
00012  * copies of the Software, and to permit persons to whom the Software is
00013  * furnished to do so, subject to the following conditions:
00014  *
00015  * The above copyright notice and this permission notice shall be included in
00016  * all copies or substantial portions of the Software.
00017  * 
00018  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
00019  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
00020  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
00021  * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
00022  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
00023  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
00024  * THE SOFTWARE.
00025  *
00026  */
00027 
00028 #ifndef ROCKETCOREELEMENTBACKGROUND_H
00029 #define ROCKETCOREELEMENTBACKGROUND_H
00030 
00031 #include <Rocket/Core/Box.h>
00032 #include <Rocket/Core/Geometry.h>
00033 
00034 namespace Rocket {
00035 namespace Core {
00036 
00037 class Element;
00038 
00043 class ElementBackground
00044 {
00045 public:
00046         ElementBackground(Element* element);
00047         ~ElementBackground();
00048 
00050         void RenderBackground();
00051 
00053         void DirtyBackground();
00054 
00055 private:
00056         // Generates the border geometry for the element.
00057         void GenerateBackground();
00058         // Generates the border geometry for a single box.
00059         void GenerateBackground(Vertex*& vertices, int*& indices, int& index_offset, const Box& box, const Colourb& colour);
00060 
00061         Element* element;
00062 
00063         // The background geometry.
00064         Geometry geometry;
00065 
00066         bool background_dirty;
00067 };
00068 
00069 }
00070 }
00071 
00072 #endif