forked from 0ad/0ad
110 lines
2.6 KiB
C++
110 lines
2.6 KiB
C++
/* Copyright (C) 2012 Wildfire Games.
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* This file is part of 0 A.D.
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*
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* 0 A.D. is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 2 of the License, or
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* (at your option) any later version.
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*
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* 0 A.D. is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with 0 A.D. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef INCLUDED_TEXTRENDERER
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#define INCLUDED_TEXTRENDERER
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#include "graphics/ShaderProgram.h"
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#include "maths/Matrix3D.h"
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#include "ps/CStr.h"
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#include "ps/Overlay.h"
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class CFont;
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class CTextRenderer
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{
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public:
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CTextRenderer(const CShaderProgramPtr& shader);
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/**
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* Reset the text transform to the default, with (0,0) in the top-left of the screen.
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*/
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void ResetTransform();
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CMatrix3D GetTransform();
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void SetTransform(const CMatrix3D& transform);
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void Translate(float x, float y, float z);
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/**
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* Set the color for subsequent print calls.
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*/
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void Color(const CColor& color);
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/**
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* Set the color for subsequent print calls.
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*/
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void Color(float r, float g, float b, float a = 1.0);
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/**
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* Set the font for subsequent print calls.
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*/
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void Font(const CStrW& font);
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/**
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* Print formatted text at (0,0) under the current transform,
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* and advance the transform by the width of the text.
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*/
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void PrintfAdvance(const wchar_t* fmt, ...);
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/**
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* Print formatted text at (x,y) under the current transform.
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* Does not alter the current transform.
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*/
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void PrintfAt(float x, float y, const wchar_t* fmt, ...);
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/**
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* Print text at (0,0) under the current transform,
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* and advance the transform by the width of the text.
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*/
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void PutAdvance(const wchar_t* buf);
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/**
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* Print text at (x,y) under the current transform,
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* and advance the transform by the width of the text.
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*/
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void Put(float x, float y, const wchar_t* buf);
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/**
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* Render all of the previously printed text calls.
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*/
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void Render();
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private:
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struct SBatch
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{
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CMatrix3D transform;
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CColor color;
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shared_ptr<CFont> font;
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std::wstring text;
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};
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CShaderProgramPtr m_Shader;
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CMatrix3D m_Transform;
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CColor m_Color;
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shared_ptr<CFont> m_Font;
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std::map<CStrW, shared_ptr<CFont> > m_Fonts;
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std::vector<SBatch> m_Batches;
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};
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#endif // INCLUDED_TEXTRENDERER
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