228 lines
4.4 KiB
C++
228 lines
4.4 KiB
C++
// Copyright (c) 2007, Rodrigo Braz Monteiro
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// All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are met:
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//
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// * Redistributions of source code must retain the above copyright notice,
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// this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above copyright notice,
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// this list of conditions and the following disclaimer in the documentation
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// and/or other materials provided with the distribution.
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// * Neither the name of the Aegisub Group nor the names of its contributors
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// may be used to endorse or promote products derived from this software
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// without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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// POSSIBILITY OF SUCH DAMAGE.
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//
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// Aegisub Project http://www.aegisub.org/
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//
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// $Id$
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/// @file gl_text.h
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/// @see gl_text.cpp
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/// @ingroup video_output
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///
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#pragma once
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///////////
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// Headers
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#include <wx/wxprec.h>
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#include <wx/bitmap.h>
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#include <wx/font.h>
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#ifdef __APPLE__
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#include <OpenGL/GL.h>
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#else
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#include <GL/gl.h>
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#endif
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#include <map>
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#include <vector>
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/// DOCME
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/// @class OpenGLTextGlyph
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/// @brief DOCME
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///
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/// DOCME
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class OpenGLTextGlyph {
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private:
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/// DOCME
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static wxBitmap *tempBmp;
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public:
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/// DOCME
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int value;
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/// DOCME
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int tex;
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/// DOCME
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/// DOCME
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/// DOCME
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/// DOCME
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float x1,y1,x2,y2;
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/// DOCME
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/// DOCME
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int w,h;
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void GetMetrics();
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void Draw(int x,int y);
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~OpenGLTextGlyph();
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};
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/// DOCME
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typedef std::map<int,OpenGLTextGlyph> glyphMap;
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/// DOCME
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/// @class OpenGLTextTexture
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/// @brief DOCME
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///
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/// DOCME
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class OpenGLTextTexture {
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private:
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/// DOCME
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/// DOCME
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/// DOCME
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int x,y,nextY;
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/// DOCME
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/// DOCME
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int width,height;
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void Insert(OpenGLTextGlyph &glyph);
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public:
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/// DOCME
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GLuint tex;
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bool TryToInsert(OpenGLTextGlyph &glyph);
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OpenGLTextTexture(int w,int h);
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~OpenGLTextTexture();
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};
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/// DOCME
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/// @class OpenGLText
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/// @brief DOCME
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///
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/// DOCME
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class OpenGLText {
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private:
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/// DOCME
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/// DOCME
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/// DOCME
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/// DOCME
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float r,g,b,a;
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/// DOCME
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int lineHeight;
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/// DOCME
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int fontSize;
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/// DOCME
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bool fontBold;
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/// DOCME
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bool fontItalics;
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/// DOCME
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wxString fontFace;
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/// DOCME
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wxFont font;
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/// DOCME
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glyphMap glyphs;
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/// DOCME
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std::vector <OpenGLTextTexture*> textures;
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OpenGLText();
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~OpenGLText();
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OpenGLText(OpenGLText const&);
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OpenGLText& operator=(OpenGLText const&);
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OpenGLTextGlyph GetGlyph(int i);
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OpenGLTextGlyph CreateGlyph(int i);
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void Reset();
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static OpenGLText& GetInstance();
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void DoSetFont(wxString face,int size,bool bold,bool italics);
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void DoSetColour(wxColour col,float alpha);
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void DoPrint(wxString text,int x,int y);
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void DrawString(wxString text,int x,int y);
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void DoGetExtent(wxString text,int &w,int &h);
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public:
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/// @brief DOCME
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/// @return
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///
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static wxFont GetFont() { return GetInstance().font; }
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/// @brief DOCME
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/// @param face
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/// @param size
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/// @param bold
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/// @param italics
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///
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static void SetFont(wxString face=_T("Verdana"),int size=10,bool bold=true,bool italics=false) { GetInstance().DoSetFont(face,size,bold,italics); }
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/// @brief DOCME
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/// @param col
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/// @param alpha
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///
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static void SetColour(wxColour col,float alpha=1.0f) { GetInstance().DoSetColour(col,alpha); }
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/// @brief DOCME
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/// @param text
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/// @param x
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/// @param y
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///
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static void Print(wxString text,int x,int y) { GetInstance().DoPrint(text,x,y); }
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/// @brief DOCME
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/// @param text
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/// @param w
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/// @param h
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///
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static void GetExtent(wxString text,int &w,int &h) { GetInstance().DoGetExtent(text,w,h); }
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};
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