font_provider.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 **    Magnus Norddahl
00027 */
00028 
00031 
00032 #pragma once
00033 
00034 #include "../api_display.h"
00035 
00036 class CL_GraphicContext;
00037 class CL_FontMetrics;
00038 class CL_Colorf;
00039 class CL_Point;
00040 class CL_Size;
00041 class CL_Rect;
00042 
00046 class CL_API_DISPLAY CL_FontProvider
00047 {
00050 
00051 public:
00052         virtual ~CL_FontProvider() { return; }
00053 
00057 
00058 public:
00060         virtual CL_FontMetrics get_font_metrics() = 0;
00061 
00065 
00066 public:
00068         virtual void destroy() = 0;
00069 
00079         virtual void draw_text(CL_GraphicContext &gc, float x, float y, const CL_StringRef &text, const CL_Colorf &color) = 0;
00080 
00084         virtual CL_Size get_text_size(CL_GraphicContext &gc, const CL_StringRef &text) = 0;
00085 
00094         virtual int get_character_index(CL_GraphicContext &gc, const CL_String &text, const CL_Point &point) = 0;
00095 
00099 
00100 private:
00102 };
00103