68 lines
3.2 KiB
C
68 lines
3.2 KiB
C
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/***************************************************************************
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* opengl.h is part of Math Graphic Library
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* Copyright (C) 2007-2016 Alexey Balakin <mathgl.abalakin@gmail.ru> *
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU Library General Public License as *
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* published by the Free Software Foundation; either version 3 of the *
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* License, or (at your option) any later version. *
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* *
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* This program 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 Library General Public *
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* License along with this program; if not, write to the *
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* Free Software Foundation, Inc., *
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* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
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***************************************************************************/
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#ifndef MGL_CANVAS_GL_H
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#define MGL_CANVAS_GL_H
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//-----------------------------------------------------------------------------
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#include "mgl2/canvas.h"
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//-----------------------------------------------------------------------------
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class MGL_EXPORT mglCanvasGL : public mglCanvas
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{
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public:
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mglCanvasGL();
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virtual ~mglCanvasGL();
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void SetQuality(int =0) { Quality=2; }
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void Finish();
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void SetSize(int ,int ,bool clf=true) { if(clf) Clf(); }
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void View(mreal tetX,mreal tetY,mreal tetZ);
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void Zoom(mreal x1, mreal y1, mreal x2, mreal y2);
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/* int NewFrame();
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void EndFrame();
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void DelFrame(long ){}*/
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bool Alpha(bool enable);
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void Fog(mreal d, mreal dz=0.25);
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bool Light(bool enable);
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void Light(int n, bool enable);
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void AddLight(int n,mglPoint r,mglPoint d, char c='w', mreal bright=0.5, mreal ap=0);
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void Clf(mglColor Back=NC);
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void Clf(const char *col);
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protected:
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// provide fastest variant for usual points (not glyphs or marks)
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void line_draw(long n1, long n2);
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void trig_draw(long n1, long n2, long n3);
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void quad_draw(long n1, long n2, long n3, long n4);
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// variant for glyphs or marks
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void line_draw(const mglPnt &p1, const mglPnt &p2, const mglDrawReg *d);
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void trig_draw(const mglPnt &p1, const mglPnt &p2, const mglPnt &p3, bool anorm, const mglDrawReg *d);
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void quad_draw(const mglPnt &p1, const mglPnt &p2, const mglPnt &p3, const mglPnt &p4, const mglDrawReg *d);
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void pnt_draw(const mglPnt &p, const mglDrawReg *d);
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void mark_draw(const mglPnt &q, char type, mreal size, mglDrawReg *d);
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unsigned char **GetRGBLines(long &w, long &h, unsigned char *&f, bool solid=true);
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void LightScale(const mglMatrix *M);
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void gl_clf(mglColor Back=WC);
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};
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//-----------------------------------------------------------------------------
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#endif
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