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/*
** ClanLib SDK
** Copyright (c) 1997-2005 The ClanLib Team
**
** This software is provided 'as-is', without any express or implied
** warranty. In no event will the authors be held liable for any damages
** arising from the use of this software.
**
** Permission is granted to anyone to use this software for any purpose,
** including commercial applications, and to alter it and redistribute it
** freely, subject to the following restrictions:
**
** 1. The origin of this software must not be misrepresented; you must not
** claim that you wrote the original software. If you use this software
** in a product, an acknowledgment in the product documentation would be
** appreciated but is not required.
** 2. Altered source versions must be plainly marked as such, and must not be
** misrepresented as being the original software.
** 3. This notice may not be removed or altered from any source distribution.
**
** Note: Some of the libraries ClanLib may link to may have additional
** requirements or restrictions.
**
** File Author(s):
**
** Magnus Norddahl
** (if your name is missing here, please add it)
*/
#ifndef header_font_target
#define header_font_target
#ifdef CL_API_DLL
#ifdef CL_DISPLAY_EXPORT
#define CL_API_DISPLAY __declspec(dllexport)
#else
#define CL_API_DISPLAY __declspec(dllimport)
#endif
#else
#define CL_API_DISPLAY
#endif
#if _MSC_VER > 1000
#pragma once
#endif
#include "API/Display/blend_func.h"
#include "API/Core/Math/origin.h"
class CL_Font_Generic;
class CL_GraphicContext;
class CL_API_DISPLAY CL_Font_Target
{
//! Construction:
public:
CL_Font_Target(CL_Font_Generic *attributes) : attributes(attributes) { return; }
virtual ~CL_Font_Target() { return; }
//! Attributes:
public:
//: If 0, variable width font. If another number, all characters are this width
virtual int get_fixed_width() const=0;
//: Gets the width of a single glyph directly from the map, including scaling and offsets
virtual int get_width(unsigned int chr) const=0;
//: Gets the height of the font, including scaling and offsets
virtual int get_height() const=0;
//: Returns true if the given character has any associated glyph
virtual bool is_glyph(unsigned int chr) const=0;
virtual void get_scale(float& x, float& y) const=0;
virtual float get_alpha() const=0;
virtual void get_color(float& r, float& g, float& b, float& a) const=0;
virtual void get_blend_func(CL_BlendFunc &src, CL_BlendFunc &dest) const=0;
virtual void get_rot_hotspot(CL_Origin &origin, int &x, int &y) const=0;
protected:
CL_Font_Generic *attributes;
//! Operations:
public:
virtual void set_scale(float x, float y)=0;
virtual void set_alpha(float a)=0;
virtual void set_color(float r, float g, float b, float a)=0;
virtual void set_blend_func(CL_BlendFunc src, CL_BlendFunc dest)=0;
virtual void set_rot_hotspot(CL_Origin origin, int x, int y)=0;
//: Draws a glyph at a given location.
//param x, y: The upper-left coordinates of where to draw the glyph.
//param chr: The character to draw the glyph of.
//param ang: The amount to rotate the glyph by. The hotspot is set with CL_Font::set_glyph_rot_hotspot().
//param gc: Graphic context to render to.
//- <p> If there is no such glyph for that character, nothing is drawn. </p>
virtual void draw_glyph(int x, int y, unsigned int chr, float ang, CL_GraphicContext *gc) const=0;
//: Draws a single character to a given spot.
//param x, y: The upper-left coordinates of where to draw the character.
//param chr: The character to draw the glyph of.
//param ang: The amount to rotate the glyph by. The hotspot is set with CL_Font::set_glyph_rot_hotspot().
//param gc: Graphic context to render to.
//- <p> If there is no glyph for the given character, then nothing is drawn. </p>
virtual void draw_character(int x, int y, unsigned int chr, float ang, CL_GraphicContext *gc) const=0;
//! Implementation:
private:
};
#endif
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