swr_graphic_context.h

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00001 /*
00002 **  ClanLib SDK
00003 **  Copyright (c) 1997-2011 The ClanLib Team
00004 **
00005 **  This software is provided 'as-is', without any express or implied
00006 **  warranty.  In no event will the authors be held liable for any damages
00007 **  arising from the use of this software.
00008 **
00009 **  Permission is granted to anyone to use this software for any purpose,
00010 **  including commercial applications, and to alter it and redistribute it
00011 **  freely, subject to the following restrictions:
00012 **
00013 **  1. The origin of this software must not be misrepresented; you must not
00014 **     claim that you wrote the original software. If you use this software
00015 **     in a product, an acknowledgment in the product documentation would be
00016 **     appreciated but is not required.
00017 **  2. Altered source versions must be plainly marked as such, and must not be
00018 **     misrepresented as being the original software.
00019 **  3. This notice may not be removed or altered from any source distribution.
00020 **
00021 **  Note: Some of the libraries ClanLib may link to may have additional
00022 **  requirements or restrictions.
00023 **
00024 **  File Author(s):
00025 **
00026 **    Mark Page
00027 */
00028 
00031 
00032 #pragma once
00033 
00034 #include "api_swrender.h"
00035 #include "../Core/System/sharedptr.h"
00036 #include "../Core/System/uniqueptr.h"
00037 #include "../Display/Render/graphic_context.h"
00038 
00039 class CL_PixelCommand;
00040 class CL_PixelPipeline;
00041 class CL_GraphicContext_SWRender_Impl;
00042 
00046 class CL_API_SWRender CL_GraphicContext_SWRender : public CL_GraphicContext
00047 {
00049 public:
00050         // \brief Create a null instance
00051         CL_GraphicContext_SWRender() {}
00052 
00054         CL_GraphicContext_SWRender(CL_GraphicContext &gc);
00055 
00056         ~CL_GraphicContext_SWRender();
00057 
00059 public:
00061         bool is_null() const { return !impl; }
00062 
00064         void throw_if_null() const;
00065 
00067         CL_PixelPipeline *get_pipeline() const;
00068 
00070 public:
00071         void draw_pixels_bicubic(int x, int y, int zoom_number, int zoom_denominator, const CL_PixelBuffer &pixels);
00072 
00074         template<typename T>
00075         void queue_command(T *command) { queue_command(std::unique_ptr<T>(command)); }
00076         void queue_command(CL_UniquePtr<CL_PixelCommand> &command);
00077 
00079 private:
00080         CL_SharedPtr<CL_GraphicContext_SWRender_Impl> impl;
00081 };
00082