688 lines
33 KiB
C++
Executable File
688 lines
33 KiB
C++
Executable File
/***************************************************************************
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* base.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_BASE_H_
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#define _MGL_BASE_H_
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//#if !defined(_MSC_VER) && !defined(__BORLANDC__)
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#include "mgl2/abstract.h"
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#ifdef __cplusplus
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#if (MGL_HAVE_PTHREAD|MGL_HAVE_PTHR_WIDGET)
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#include <pthread.h>
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#endif
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#if MGL_HAVE_PTHREAD
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#define MGL_PUSH(a,v,m) {pthread_mutex_lock(&m); a.push_back(v); pthread_mutex_unlock(&m);}
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#else
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#define MGL_PUSH(a,v,m) a.push_back(v);
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#endif
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//-----------------------------------------------------------------------------
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inline mreal mgl_d(mreal v,mreal v1,mreal v2) { return v2!=v1?(v-v1)/(v2-v1):NAN; }
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//-----------------------------------------------------------------------------
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mglPoint GetX(HCDT x, int i, int j, int k=0);
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mglPoint GetY(HCDT y, int i, int j, int k=0);
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mglPoint GetZ(HCDT z, int i, int j, int k=0);
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//-----------------------------------------------------------------------------
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/// Class for replacement of std::vector
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// NOTE memcpy is used --> no memory allocation in T
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template <class T> class mglStack
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{
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T** dat;
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size_t pb; ///< size of buffer (real size is 2^pb == 1L<<pb)
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size_t np; ///< allocated pointers
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size_t m; ///< used pointers (allocated size is m*nb)
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size_t n; ///< used cells
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void *mutex;
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public:
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mglStack(const mglStack<T> &st)
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{ np=st.np; dat = (T**)malloc(np*sizeof(T*));
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pb=st.pb; m=n=0; reserve(st.n);
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for(size_t i=0;i<m;i++) memcpy(dat[i],st.dat[i],((size_t)1<<pb)*sizeof(T));
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n=st.n; mutex = 0; }
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mglStack(size_t Pbuf=10)
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{ np=16; pb=Pbuf; dat = (T**)malloc(np*sizeof(T*));
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dat[0] = new T[(size_t)1<<pb]; n=0; m=1; mutex = 0; }
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~mglStack() { clear(); delete [](dat[0]); free(dat); }
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inline void set_mutex(void *m) { mutex = m; }
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void reserve(size_t num)
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{
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num+=n;
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if(num>(m<<pb))
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{
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num = 1+ (num>>pb);
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if(num>np)
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{ dat = (T**)realloc(dat, num*sizeof(T*)); np=num; }
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for(size_t i=m;i<num;i++) dat[i] = new T[(size_t)1<<pb];
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m = num;
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}
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}
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void clear()
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{
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if(mutex) mgl_mutex_lock(mutex);
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for(size_t i=0;i<m;i++) delete [](dat[i]);
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dat[0] = new T[(size_t)1<<pb]; n=0; m=1;
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if(mutex) mgl_mutex_unlock(mutex);
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}
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T &operator[](size_t i) { register size_t d=i>>pb; return dat[d][i-(d<<pb)]; }
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const T &operator[](size_t i) const { register size_t d=i>>pb; return dat[d][i-(d<<pb)]; }
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void push_back(const T &t)
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{
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if(n>=(m<<pb)) reserve(1);
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register size_t d=n>>pb;
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dat[d][n-(d<<pb)] = t; n++;
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}
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size_t size() const { return n; }
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const mglStack<T> &operator=(const mglStack<T> &st)
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{
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pb=st.pb; clear(); reserve(st.n);
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for(size_t i=0;i<st.m && i<m;i++) memcpy(dat[i],st.dat[i],((size_t)1<<pb)*sizeof(T));
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n = st.n; return st;
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}
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};
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//-----------------------------------------------------------------------------
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/// Structure for transformation matrix
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struct MGL_EXPORT mglMatrix
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{
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mreal b[9];
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mreal x,y,z,pf;
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bool norot; // flag to disable pnts rotation
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mglMatrix() { memset(this,0,sizeof(mglMatrix)); clear(); }
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mglMatrix(const mglMatrix &aa) : x(aa.x),y(aa.y),z(aa.z),pf(aa.pf),norot(aa.norot) { memcpy(b,aa.b,9*sizeof(mreal)); }
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void Rotate(mreal tetz,mreal tetx,mreal tety);
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void RotateN(mreal Tet,mreal x,mreal y,mreal z);
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inline void clear() { x=y=z=pf=0; memset(b,0,9*sizeof(mreal)); b[0]=b[4]=b[8]=1; norot=false; }
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inline const mglMatrix &operator=(const mglMatrix &a)
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{ x=a.x; y=a.y; z=a.z; pf=a.pf; memcpy(b,a.b,9*sizeof(mreal)); norot=false; return a; }
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};
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inline bool operator==(const mglMatrix &a, const mglMatrix &b)
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{ return ((a.x-b.x)*(a.x-b.x)+(a.y-b.y)*(a.y-b.y)+(a.z-b.z)*(a.z-b.z)+(a.pf-b.pf)*(a.pf-b.pf)==0)&&!memcmp(b.b,a.b,9*sizeof(mreal));}
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inline bool operator!=(const mglMatrix &a, const mglMatrix &b)
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{ return ((a.x-b.x)*(a.x-b.x)+(a.y-b.y)*(a.y-b.y)+(a.z-b.z)*(a.z-b.z)+(a.pf-b.pf)*(a.pf-b.pf)!=0)||memcmp(b.b,a.b,9*sizeof(mreal)); }
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//-----------------------------------------------------------------------------
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/// Structure for simplest primitives
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struct MGL_EXPORT mglPrim // NOTE: use float for reducing memory size
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{
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// NOTE: n4 is used as mark; n3 -- as pen style for type=0,1,4
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// NOTE: n3 is used as position of txt,font in Ptxt for type=6
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long n1,n2,n3,n4; ///< coordinates of corners
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short type; ///< primitive type (0-point, 1-line, 2-trig, 3-quad, 4-glyph, 6-text)
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short angl; ///< rotation angle for mask
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int id; ///< object id
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float z; ///< z-position
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float w; ///< width (if applicable) or ftet
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union
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{
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struct
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{
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float s; ///< size (if applicable) or fscl
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float p;
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};
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uint64_t m;
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};
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mglPrim(int t=0):n1(0),n2(0),n3(0),n4(0),type(t),angl(0),id(0),z(0),w(0),m(0) {}
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mglPrim(const mglPrim &aa) : n1(aa.n1),n2(aa.n2),n3(aa.n3),n4(aa.n4),type(aa.type),angl(aa.angl),id(aa.id),z(aa.z),w(aa.w),m(aa.m) {}
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const mglPrim &operator=(const mglPrim &aa) { memcpy(this, &aa, sizeof(mglPrim)); return aa; }
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};
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bool operator<(const mglPrim &a,const mglPrim &b);
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bool operator>(const mglPrim &a,const mglPrim &b);
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//-----------------------------------------------------------------------------
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/// Structure for light source
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struct MGL_EXPORT mglLight
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{
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mglLight():n(false),a(0),b(0) {}
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mglLight(const mglLight &aa) : n(aa.n),d(aa.d),r(aa.r),q(aa.q),p(aa.p),a(aa.a),b(aa.b),c(aa.c) {}
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bool n; ///< Availability of light sources
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mglPoint d; ///< Direction of light sources
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mglPoint r; ///< Position of light sources (NAN for infinity)
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mglPoint q; ///< Actual position of light sources (filled by LightScale() function)
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mglPoint p; ///< Actual direction of light sources (filled by LightScale() function)
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mreal a; ///< Aperture of light sources
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mreal b; ///< Brightness of light sources
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mglColor c; ///< Color of light sources
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};
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//-----------------------------------------------------------------------------
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/// Structure for inplot
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struct MGL_EXPORT mglBlock
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{
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int id; ///< object id
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long n1,n2,n3,n4; ///< coordinates of corners {n1=x1,n2=x2,n3=y1,n4=y2}
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mglLight light[10]; ///< Light sources
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mreal AmbBr; ///< Default ambient light brightness
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mreal DifBr; ///< Default diffusive light brightness
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mglMatrix B; ///< Transformation matrix
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mglBlock():id(0),n1(0),n2(0),n3(0),n4(0),AmbBr(0.5),DifBr(0.5) {}
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mglBlock(const mglBlock &aa) { memcpy(this, &aa, sizeof(mglBlock)); }
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const mglBlock &operator=(const mglBlock &aa) { memcpy(this, &aa, sizeof(mglBlock)); return aa; }
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};
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//-----------------------------------------------------------------------------
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/// Structure for group of primitives
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struct MGL_EXPORT mglGroup
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{
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std::vector<long> p; ///< list of primitives (not filled!!!)
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int Id; ///< Current list of primitives
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std::string Lbl; ///< Group label
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mglGroup(const char *lbl="", int id=0) : Id(id), Lbl(lbl) {}
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mglGroup(const mglGroup &aa) : p(aa.p),Id(aa.Id),Lbl(aa.Lbl) {}
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#if MGL_HAVE_RVAL
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mglGroup(mglGroup &&aa) : p(aa.p),Id(aa.Id),Lbl(aa.Lbl) {}
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#endif
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inline const mglGroup &operator=(const mglGroup &aa) { Lbl = aa.Lbl; Id = aa.Id; p = aa.p; return aa; }
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};
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//-----------------------------------------------------------------------------
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/// Structure for text label
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struct MGL_EXPORT mglText
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{
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std::wstring text;
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std::string stl;
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mreal val;
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mglText(const wchar_t *txt=L"", const char *fnt="", mreal v=0) : text(txt), stl(fnt), val(v) {}
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mglText(const std::wstring &txt, mreal v=0): text(txt), val(v) {}
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mglText(const mglText &aa) : text(aa.text),stl(aa.stl),val(aa.val) {}
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#if MGL_HAVE_RVAL
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mglText(mglText &&aa) : text(aa.text),stl(aa.stl),val(aa.val) {}
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#endif
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const mglText&operator=(const mglText &aa) { text=aa.text; stl=aa.stl; val=aa.val; return aa; }
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};
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//-----------------------------------------------------------------------------
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/// Structure for internal point representation
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struct MGL_EXPORT mglPnt // NOTE: use float for reducing memory size
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{
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union { float dat[16]; struct {
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float x,y,z; // coordinates
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float u,v,w; // normales
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float r,g,b,a; // RGBA color
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float xx,yy,zz; // original coordinates
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float c,t,ta; // index in color scheme
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}; };
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short sub; // subplot id and rotation information (later will be in subplot)
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mglPnt(float X, float Y=0, float Z=0, float U=0, float V=0, float W=0, float R=0, float G=0, float B=0, float A=0):x(X),y(Y),z(Z),u(U),v(V),w(W),r(R),g(G),b(B),a(A),xx(X),yy(Y),zz(Z),c(0),t(0),ta(0),sub(0) {}
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mglPnt():x(0),y(0),z(0),u(0),v(0),w(0),r(0),g(0),b(0),a(0),xx(0),yy(0),zz(0),c(0),t(0),ta(0),sub(0) {}
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mglPnt(const mglPnt &aa) : sub(aa.sub) { memcpy(dat,aa.dat,16*sizeof(float)); }
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inline const mglPnt&operator=(const mglPnt &aa) { sub=aa.sub; memcpy(dat,aa.dat,16*sizeof(float)); return aa; }
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};
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inline mglPnt operator+(const mglPnt &a, const mglPnt &b)
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{ mglPnt p; for(long i=0;i<10;i++) p.dat[i] = a.dat[i]+b.dat[i]; p.sub=a.sub; return p; }
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//{ return mglPnt(a.x+b.x,a.y+b.y,a.z+b.z, a.u+b.u,a.v+b.v,a.w+b.w, a.r+b.r,a.g+b.g,a.b+b.b,a.a+b.a); }
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inline mglPnt operator-(const mglPnt &a, const mglPnt &b)
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{ mglPnt p; for(long i=0;i<10;i++) p.dat[i] = a.dat[i]-b.dat[i]; p.sub=a.sub; return p; }
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//{ return mglPnt(a.x-b.x,a.y-b.y,a.z-b.z, a.u-b.u,a.v-b.v,a.w-b.w, a.r-b.r,a.g-b.g,a.b-b.b,a.a-b.a); }
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inline mglPnt operator*(const mglPnt &a, float b)
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{ mglPnt p; for(long i=0;i<10;i++) p.dat[i] = a.dat[i]*b; p.sub=a.sub; return p; }
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//{ return mglPnt(a.x*b,a.y*b,a.z*b, a.u*b,a.v*b,a.w*b, a.r*b,a.g*b,a.b*b,a.a*b); }
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inline mglPnt operator*(float b, const mglPnt &a)
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{ mglPnt p; for(long i=0;i<10;i++) p.dat[i] = a.dat[i]*b; p.sub=a.sub; return p; }
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//{ return mglPnt(a.x*b,a.y*b,a.z*b, a.u*b,a.v*b,a.w*b, a.r*b,a.g*b,a.b*b,a.a*b); }
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//-----------------------------------------------------------------------------
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/// Structure for glyph representation
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struct MGL_EXPORT mglGlyph
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{
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long nt, nl; ///< number of triangles and lines
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short *trig, *line; ///< vertexes of triangles and lines
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mglGlyph():nt(0),nl(0),trig(0),line(0) {}
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mglGlyph(const mglGlyph &a):nt(0),nl(0),trig(0),line(0) { *this=a; }
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mglGlyph(long Nt, long Nl):nt(0),nl(0),trig(0),line(0) { Create(Nt,Nl); }
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#if MGL_HAVE_RVAL
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mglGlyph(mglGlyph &&aa) : nt(aa.nt),nl(aa.nl),trig(aa.trig), line(aa.line) { aa.trig=aa.line=0; }
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#endif
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~mglGlyph() { if(trig) delete []trig; if(line) delete []line; }
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void Create(long Nt, long Nl);
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bool operator==(const mglGlyph &g) MGL_FUNC_PURE;
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inline bool operator!=(const mglGlyph &g) { return !(*this==g); }
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inline const mglGlyph &operator=(const mglGlyph &a)
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{ Create(a.nt, a.nl); memcpy(trig, a.trig, 6*nt*sizeof(short));
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memcpy(line, a.line, 2*nl*sizeof(short)); return a; }
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};
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//-----------------------------------------------------------------------------
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#define MGL_TEXTURE_COLOURS 512
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/// Structure for texture (color scheme + palette) representation
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struct MGL_EXPORT mglTexture
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{
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mglColor *col; ///< Colors itself
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long n; ///< Number of initial colors along u
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char Sch[260]; ///< Color scheme used
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int Smooth; ///< Type of texture (smoothing and so on)
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mreal Alpha; ///< Transparency
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mglTexture():n(0),Smooth(0),Alpha(1)
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{ col = new mglColor[MGL_TEXTURE_COLOURS]; }
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mglTexture(const char *cols, int smooth=0,mreal alpha=1):n(0)
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{ col = new mglColor[MGL_TEXTURE_COLOURS]; Set(cols,smooth,alpha); }
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mglTexture(const mglTexture &aa) : n(aa.n),Smooth(aa.Smooth),Alpha(aa.Alpha)
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{ col = new mglColor[MGL_TEXTURE_COLOURS]; memcpy(Sch,aa.Sch,260);
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memcpy(col,aa.col,MGL_TEXTURE_COLOURS*sizeof(mglColor)); }
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#if MGL_HAVE_RVAL
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mglTexture(mglTexture &&aa) : n(aa.n),Smooth(aa.Smooth),Alpha(aa.Alpha)
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{ col = aa.col; memcpy(Sch,aa.Sch,260); aa.col=0; }
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#endif
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~mglTexture() { if(col) delete []col; }
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void Clear() { n=0; }
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void Set(const char *cols, int smooth=0,mreal alpha=1);
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void Set(HCDT val, const char *cols);
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void GetC(mreal u,mreal v,mglPnt &p) const;
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mglColor GetC(mreal u,mreal v=0) const MGL_FUNC_PURE;
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inline bool IsSame(const mglTexture &t) const
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{ return n==t.n && !memcmp(col,t.col,MGL_TEXTURE_COLOURS*sizeof(mglColor)); }
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void GetRGBA(unsigned char *f) const;
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void GetRGBAPRC(unsigned char *f) const;
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void GetRGBAOBJ(unsigned char *f) const; // Export repeating border colors, since OBJ by default wraps textures and we need an extra boundary to work around implementation quirks
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inline const mglTexture &operator=(const mglTexture &aa)
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{ n=aa.n; Smooth=aa.Smooth; Alpha=aa.Alpha;
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memcpy(col,aa.col,MGL_TEXTURE_COLOURS*sizeof(mglColor));
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memcpy(Sch,aa.Sch,260); return aa; }
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};
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//-----------------------------------------------------------------------------
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const mglColor NC(-1,-1,-1);
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const mglColor BC( 0, 0, 0);
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const mglColor WC( 1, 1, 1);
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const mglColor RC( 1, 0, 0);
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//-----------------------------------------------------------------------------
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/// Structure active points
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struct MGL_EXPORT mglActivePos
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{
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int x,y; ///< coordinates of active point
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int id; ///< object id for active point
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int n; ///< position of active point in command (object id)
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};
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//-----------------------------------------------------------------------------
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#if defined(_MSC_VER)
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template class MGL_EXPORT mglStack<mglPnt>;
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template class MGL_EXPORT mglStack<mglPrim>;
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template class MGL_EXPORT std::vector<mglGroup>;
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template class MGL_EXPORT std::vector<mglText>;
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template class MGL_EXPORT std::vector<mglTexture>;
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template class MGL_EXPORT std::vector<mglGlyph>;
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template class MGL_EXPORT std::vector<mglBlock>;
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template class MGL_EXPORT std::vector<mglMatrix>;
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template class MGL_EXPORT mglStack<mglActivePos>;
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#endif
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//-----------------------------------------------------------------------------
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/// Base class for canvas which handle all basic drawing
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class MGL_EXPORT mglBase
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{
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public:
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mglBase();
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virtual ~mglBase();
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mglPoint Min; ///< Lower edge of bounding box for graphics.
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mglPoint Max; ///< Upper edge of bounding box for graphics.
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mreal ZMin; ///< Adjusted minimal z-value 1D plots
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std::string Mess; ///< Buffer for receiving messages
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int ObjId; ///< object id for mglPrim
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int HighId; ///< object id to be highlited
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std::vector<mglGroup> Grp; ///< List of groups with names -- need for export
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mglStack<mglActivePos> Act; ///< Position of active points
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std::string PlotId; ///< Id of plot for saving filename (in GLUT window for example)
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mreal CDef; ///< Default (current) color in texture
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mreal AlphaDef; ///< Default value of alpha channel (transparency)
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mreal BarWidth; ///< Relative width of rectangles in Bars().
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int MeshNum; ///< Set approximate number of lines in Mesh and Grid. By default (=0) it draw all lines.
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int FaceNum; ///< Set approximate number of visible faces and lines. By default (=0) it draw everything.
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char Arrow1, Arrow2;///< Style of arrows at end and at start of curve
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long InUse; ///< Smart pointer (number of users)
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uint32_t Flag; ///< Flags for controlling drawing
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mreal size_opt; ///< Value of size option (or NAN if not specified)
|
|
|
|
inline bool get(uint32_t fl) const { return Flag&fl; }
|
|
inline void set(uint32_t fl) { Flag |= fl; }
|
|
inline void clr(uint32_t fl) { Flag &=~fl; }
|
|
inline void set(bool v,uint32_t fl) { Flag = v ? Flag|fl : Flag&(~fl); }
|
|
|
|
/// Set axis range scaling -- simplified way to shift/zoom axis range -- need to replot whole image!
|
|
inline void ZoomAxis(mglPoint p1=mglPoint(0,0,0,0), mglPoint p2=mglPoint(1,1,1,1)) { AMin = p1; AMax = p2; }
|
|
/// Set values of mglGraph::Min and mglGraph::Max
|
|
inline void SetRanges(mreal x1, mreal x2, mreal y1, mreal y2, mreal z1=0, mreal z2=0, mreal c1=0, mreal c2=0)
|
|
{ SetRanges(mglPoint(x1,y1,z1,c1),mglPoint(x2,y2,z2,c2)); }
|
|
void SetRanges(mglPoint v1, mglPoint v2);
|
|
/// Set values of mglGraph::Cmin and mglGraph::Cmax as minimal and maximal values of data a
|
|
void CRange(HCDT a, bool add = false, mreal fact=0);
|
|
void CRange(mreal v1,mreal v2,bool add=false);
|
|
/// Set values of mglGraph::Min.x and mglGraph::Max.x as minimal and maximal values of data a
|
|
void XRange(HCDT a, bool add = false, mreal fact=0);
|
|
void XRange(mreal v1,mreal v2,bool add=false);
|
|
/// Set values of mglGraph::Min.x and mglGraph::Max.x as minimal and maximal values of data a
|
|
void YRange(HCDT a, bool add = false, mreal fact=0);
|
|
void YRange(mreal v1,mreal v2,bool add=false);
|
|
/// Set values of mglGraph::Min.x and mglGraph::Max.x as minimal and maximal values of data a
|
|
void ZRange(HCDT a, bool add = false, mreal fact=0);
|
|
void ZRange(mreal v1,mreal v2,bool add=false);
|
|
/// Set ranges for automatic variables
|
|
void SetAutoRanges(mreal x1, mreal x2, mreal y1=0, mreal y2=0, mreal z1=0, mreal z2=0, mreal c1=0, mreal c2=0);
|
|
/// Set axis origin
|
|
void SetOrigin(mreal x0, mreal y0, mreal z0=NAN, mreal c0=NAN);
|
|
/// Save ranges into internal variable and put parsed
|
|
mreal SaveState(const char *opt);
|
|
/// Load ranges from internal variable
|
|
void LoadState();
|
|
/// Increase ZMin
|
|
mreal AdjustZMin() { ZMin /= MGL_FEPSILON; return Max.z - ZMin*(Max.z-Min.z); }
|
|
|
|
/// Safetly set the transformation formulas for coordinate.
|
|
void SetFunc(const char *EqX, const char *EqY, const char *EqZ=0, const char *EqA=0);
|
|
/// Set one of predefined transformation rule
|
|
void SetCoor(int how);
|
|
/// Safetly set the cutting off condition (formula).
|
|
void CutOff(const char *EqCut);
|
|
/// Set to draw Ternary axis (triangle like axis, grid and so on)
|
|
void Ternary(int tern);
|
|
|
|
/// Set cutting for points outside of bounding box
|
|
inline void SetCut(bool val) { set(val, MGL_ENABLE_CUT); }
|
|
/// Set additional cutting box
|
|
inline void SetCutBox(mreal x1, mreal y1, mreal z1, mreal x2, mreal y2, mreal z2)
|
|
{ CutMin.Set(x1,y1,z1); CutMax.Set(x2,y2,z2); }
|
|
inline void SetCutBox(mglPoint v1, mglPoint v2) { CutMin=v1; CutMax=v2; }
|
|
/// Reset mask to solid state
|
|
inline void ResetMask() { mask = MGL_SOLID_MASK; MaskAn = DefMaskAn; }
|
|
/// Set default mask rotation angle
|
|
inline void SetMaskAngle(int angle) { DefMaskAn = angle; }
|
|
|
|
/// Set the using of light on/off.
|
|
virtual bool Light(bool enable)
|
|
{ bool t=get(MGL_ENABLE_LIGHT); set(enable,MGL_ENABLE_LIGHT); return t; }
|
|
/// Set to attach light sources to inplot.
|
|
virtual bool AttachLight(bool enable)
|
|
{ bool t=get(MGL_LOCAL_LIGHT); set(enable,MGL_LOCAL_LIGHT); return t; }
|
|
/// Set ambient light brightness
|
|
virtual void SetAmbient(mreal bright=0.5);
|
|
/// Set diffusive light brightness
|
|
virtual void SetDiffuse(mreal bright=0.5);
|
|
/// Use diffusive light (only for local light sources)
|
|
inline void SetDifLight(bool dif) { SetDiffuse(dif?0.5:0); }
|
|
/// Set the transparency on/off.
|
|
virtual bool Alpha(bool enable)
|
|
{ bool t=get(MGL_ENABLE_ALPHA); set(enable,MGL_ENABLE_ALPHA); return t; }
|
|
/// Set default value of alpha-channel
|
|
inline void SetAlphaDef(mreal val) { AlphaDef=val; }
|
|
/// Set default palette
|
|
inline void SetPalette(const char *colors)
|
|
{ Txt[0].Set(mgl_have_color(colors)?colors:MGL_DEF_PAL,-1); }
|
|
inline long GetNumPal(long id) const { return Txt[labs(id)/256].n; }
|
|
/// Set default color scheme
|
|
inline void SetDefScheme(const char *colors)
|
|
{ Txt[1].Set(mgl_have_color(colors)?colors:MGL_DEF_SCH); }
|
|
|
|
/// Set number of mesh lines
|
|
inline void SetMeshNum(int val) { MeshNum=val; }
|
|
/// Set relative width of rectangles in Bars, Barh, BoxPlot
|
|
inline void SetBarWidth(mreal val) { BarWidth=val; }
|
|
/// Set size of marks
|
|
inline void SetMarkSize(mreal val) { MarkSize=0.02*val; }
|
|
/// Set size of arrows
|
|
inline void SetArrowSize(mreal val) { ArrowSize=0.03*val; }
|
|
/// Get unscaled arrow size
|
|
inline mreal GetArrowSize() const { return ArrowSize/0.03; }
|
|
|
|
/// Set warning code ant fill Message
|
|
void SetWarn(int code, const char *who);
|
|
int inline GetWarn() const { return WarnCode; }
|
|
|
|
virtual void StartAutoGroup (const char *)=0;
|
|
void StartGroup(const char *name, int id);
|
|
virtual void EndGroup()=0; // { LoadState(); }
|
|
/// Highlight group
|
|
inline void Highlight(int id) { HighId=id; }
|
|
|
|
/// Set FontSize by size in pt and picture DPI (default is 16 pt for dpi=72)
|
|
virtual void SetFontSizePT(mreal pt, int dpi=72){ FontSize = pt*27.f/dpi; }
|
|
/// Set FontSize by size in centimeters and picture DPI (default is 0.56 cm = 16 pt)
|
|
inline void SetFontSizeCM(mreal cm, int dpi=72) { SetFontSizePT(cm*28.45f,dpi); }
|
|
/// Set FontSize by size in inch and picture DPI (default is 0.22 in = 16 pt)
|
|
inline void SetFontSizeIN(mreal in, int dpi=72) { SetFontSizePT(in*72.27f,dpi); }
|
|
/// Set font typeface. Note that each mglFont instance can be used with ONLY ONE mglGraph instance at a moment of time!
|
|
void SetFont(mglFont *f);
|
|
/// Get current typeface. Note that this variable can be deleted at next SetFont() call!
|
|
inline mglFont *GetFont() { return fnt; }
|
|
/// Restore font
|
|
void RestoreFont();
|
|
/// Load font from file
|
|
void LoadFont (const char *name, const char *path=NULL);
|
|
/// Copy font from another mglGraph instance
|
|
void CopyFont(mglBase *gr);
|
|
/// Set default font size
|
|
inline void SetFontSize(mreal val) { FontSize=val>0 ? val:-FontSize*val; }
|
|
inline mreal GetFontSize() const { return FontSize; }
|
|
mreal TextWidth(const char *text, const char *font, mreal size) const MGL_FUNC_PURE;
|
|
mreal TextWidth(const wchar_t *text, const char *font, mreal size) const MGL_FUNC_PURE;
|
|
mreal TextHeight(const char *font, mreal size) const MGL_FUNC_PURE;
|
|
inline mreal FontFactor() const { return font_factor; }
|
|
virtual mreal GetRatio() const MGL_FUNC_CONST;
|
|
virtual int GetWidth() const MGL_FUNC_CONST;
|
|
virtual int GetHeight() const MGL_FUNC_CONST;
|
|
|
|
/// Set to use or not text rotation
|
|
inline void SetRotatedText(bool val) { set(val,MGL_ENABLE_RTEXT); }
|
|
/// Set default font style and color
|
|
void SetFontDef(const char *font);
|
|
/// Set to use or not text rotation
|
|
inline void SetTickRotate(bool val) { set(val,MGL_TICKS_ROTATE); }
|
|
/// Set to use or not text rotation
|
|
inline void SetTickSkip(bool val) { set(val,MGL_TICKS_SKIP); }
|
|
|
|
/// Add string to legend
|
|
void AddLegend(const char *text,const char *style);
|
|
void AddLegend(const wchar_t *text,const char *style);
|
|
/// Clear saved legend string
|
|
inline void ClearLegend() { Leg.clear(); }
|
|
|
|
/// Set plot quality
|
|
virtual void SetQuality(int qual=MGL_DRAW_NORM) { Quality=qual; }
|
|
inline int GetQuality() const { return Quality; }
|
|
inline void SetDrawReg(long nx=1, long ny=1, long m=0) { dr_x=nx; dr_y=ny; dr_p=m; }
|
|
|
|
// ~~~~~~~~~~~~~~~~~~~~~~ Developer functions ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
|
|
/// Add point to the Pnt and return its position
|
|
inline long AddPnt(mglPoint p, mreal c=-1, mglPoint n=mglPoint(NAN), mreal a=-1, int scl=1)
|
|
{ return AddPnt(&B,p,c,n,a,scl); }
|
|
long AddPnt(const mglMatrix *M, mglPoint p, mreal c=-1, mglPoint n=mglPoint(NAN), mreal a=-1, int scl=1);
|
|
long CopyNtoC(long k, mreal c);
|
|
long CopyProj(long from, mglPoint p, mglPoint n, short sub=0);
|
|
void SetRGBA(long k, const mglColor &c)
|
|
{ mglPnt &p=Pnt[k]; p.r = c.r; p.g = c.g; p.b = c.b; p.a = c.a; }
|
|
virtual void Reserve(long n); ///< Allocate n-cells for Pnt and return current position
|
|
/// Set to reduce accuracy of points (to reduce size of output files)
|
|
inline void SetReduceAcc(bool val) { set(val, MGL_REDUCEACC); }
|
|
/// Add glyph of current font to the Glf and return its position
|
|
long AddGlyph(int s, long j);
|
|
/// Add active point as k-th element of Pnt
|
|
void AddActive(long k,int n=0);
|
|
/// Clear unused points and primitives
|
|
void ClearUnused();
|
|
|
|
inline mreal GetPenWidth() { return PenWidth; }
|
|
|
|
inline const mglMatrix *GetB() const { return &B; }
|
|
inline mglPoint GetPntP(long i) const
|
|
{ const mglPnt &p=Pnt[i]; return mglPoint(p.x,p.y,p.z); }
|
|
inline mglPoint GetPntN(long i) const
|
|
{ const mglPnt &p=Pnt[i]; return mglPoint(p.u,p.v,p.w); }
|
|
inline mglColor GetPntC(long i) const
|
|
{ const mglPnt &p=Pnt[i]; return mglColor(p.r,p.g,p.b,p.a); }
|
|
inline float GetClrC(long i) const { return Pnt[i].c; }
|
|
inline const mglGlyph &GetGlf(long i) const { return Glf[i]; }
|
|
inline long GetGlfNum() const { return Glf.size(); }
|
|
inline const mglPnt &GetPnt(long i) const { return Pnt[i]; }
|
|
inline long GetPntNum() const { return Pnt.size(); }
|
|
// inline mglPrim &GetPrm(long i) { return Prm[i]; }
|
|
inline mglPrim &GetPrm(long i, bool sort=true)
|
|
{ return (sort && PrmInd) ? Prm[PrmInd[i]]:Prm[i]; }
|
|
inline const mglPrim &GetPrm(long i, bool sort=true) const
|
|
{ return (sort && PrmInd) ? Prm[PrmInd[i]]:Prm[i]; }
|
|
inline long GetPrmNum() const { return Prm.size(); }
|
|
inline const mglText &GetPtx(long i) const { return Ptx[i]; }
|
|
inline long GetPtxNum() const { return Ptx.size(); }
|
|
inline const mglTexture &GetTxt(long i) const { return Txt[i]; }
|
|
inline long GetTxtNum() const { return Txt.size(); }
|
|
/// Scale coordinates and cut off some points
|
|
virtual bool ScalePoint(const mglMatrix *M, mglPoint &p, mglPoint &n, bool use_nan=true) const;
|
|
|
|
virtual mreal GetOrgX(char dir, bool inv=false) const=0; ///< Get Org.x (parse NAN value)
|
|
virtual mreal GetOrgY(char dir, bool inv=false) const=0; ///< Get Org.y (parse NAN value)
|
|
virtual mreal GetOrgZ(char dir, bool inv=false) const=0; ///< Get Org.z (parse NAN value)
|
|
|
|
/// Get color depending on single variable z, which should be scaled if scale=true
|
|
inline mreal GetC(long s,mreal z,bool scale = true) const
|
|
{ return s+(scale?GetA(z):(z>0?z/MGL_FEPSILON:0)); }
|
|
/// Get alpha value depending on single variable a
|
|
mreal GetA(mreal a) const MGL_FUNC_PURE;
|
|
/// Set pen/palette
|
|
char SetPenPal(const char *stl, long *id=0, bool pal=true);
|
|
/// Add texture (like color scheme) and return the position of first color
|
|
long AddTexture(const char *cols, int smooth=0);
|
|
// inline mreal AddTexture(char col) { return AddTexture(mglColor(col)); }
|
|
mreal AddTexture(mglColor col);
|
|
inline void DefColor(mglColor col) { CDef = AddTexture(col); }
|
|
/// Set mask for face coloring
|
|
void SetMask(const char *mask);
|
|
/// Set next color from palette
|
|
mreal NextColor(long &id);
|
|
mreal NextColor(long id, long sh);
|
|
|
|
virtual void mark_plot(long p, char type, mreal size=1)=0;
|
|
virtual void arrow_plot(long p1, long p2, char st)=0;
|
|
virtual void line_plot(long p1, long p2)=0;
|
|
virtual void trig_plot(long p1, long p2, long p3)=0;
|
|
virtual void quad_plot(long p1, long p2, long p3, long p4)=0;
|
|
virtual void Glyph(mreal x, mreal y, mreal f, int style, long icode, mreal col)=0;
|
|
virtual float GetGlyphPhi(const mglPnt &q, float phi)=0;
|
|
virtual mreal text_plot(long p,const wchar_t *text,const char *fnt,mreal size=-1,mreal sh=0,mreal col=-('k'),bool rot=true)=0;
|
|
void vect_plot(long p1, long p2, mreal s=1);
|
|
inline mreal mark_size() { return MarkSize*font_factor; }
|
|
// inline char last_color() { return last_style[1]; }
|
|
inline const char *last_line() { return last_style; }
|
|
int PrmCmp(long i, long j) const MGL_FUNC_PURE; // compare 2 primitives with indexes i,j
|
|
/// Check if plot termination is asked
|
|
bool NeedStop() { if(event_cb) event_cb(event_par); return Stop; }
|
|
/// Ask to stop drawing
|
|
void AskStop(bool stop=true) { Stop = stop; }
|
|
/// Set callback function for event processing
|
|
void SetEventFunc(void (*func)(void *), void *par) { event_cb=func; event_par=par; }
|
|
|
|
protected:
|
|
volatile bool Stop; ///< Flag that execution should be terminated.
|
|
void (*event_cb)(void *); ///< Function to be called for event processing
|
|
void *event_par; ///< Parameter for event processing function
|
|
|
|
mglPoint OMin; ///< Lower edge for original axis (before scaling)
|
|
mglPoint OMax; ///< Upper edge for original axis (before scaling)
|
|
mglPoint AMin; ///< Lower edge for axis scaling
|
|
mglPoint AMax; ///< Upper edge for axis scaling
|
|
mglPoint FMin; ///< Actual lower edge after transformation formulas.
|
|
mglPoint FMax; ///< Actual upper edge after transformation formulas.
|
|
mglPoint Org; ///< Center of axis cross section.
|
|
int WarnCode; ///< Warning code
|
|
long *PrmInd; ///< Indexes of sorted primitives
|
|
mglStack<mglPnt> Pnt; ///< Internal points
|
|
mglStack<mglPrim> Prm; ///< Primitives (lines, triangles and so on) -- need for export
|
|
std::vector<mglBlock> Sub; ///< InPlot regions
|
|
std::vector<mglText> Ptx; ///< Text labels for mglPrim
|
|
std::vector<mglText> Leg; ///< Text labels for legend
|
|
std::vector<mglGlyph> Glf; ///< Glyphs data
|
|
std::vector<mglTexture> Txt; ///< Pointer to textures
|
|
#if MGL_HAVE_PTHREAD
|
|
pthread_mutex_t mutexPnt, mutexTxt, mutexLeg, mutexGlf, mutexAct, mutexDrw;
|
|
pthread_mutex_t mutexSub, mutexPrm, mutexPtx, mutexStk, mutexGrp, mutexClf;
|
|
#endif
|
|
void *lockClf; ///< pointer to mutex for mglStack
|
|
|
|
int TernAxis; ///< Flag that Ternary axis is used
|
|
unsigned PDef; ///< Pen bit mask
|
|
mreal pPos; ///< Current position in pen mask
|
|
mreal PenWidth; ///< Pen width for further line plotting (must be >0 !!!)
|
|
// long numT; ///< Number of textures
|
|
mreal AmbBr; ///< Default ambient light brightness // TODO move to mglBlock
|
|
mreal DifBr; ///< Default diffusive light brightness // TODO move to mglBlock
|
|
|
|
mreal persp; ///< Original value for perspective
|
|
mglMatrix Bp; ///< Transformation matrix for View() and Zoom()
|
|
mglMatrix B; ///< Transformation matrix
|
|
mglMatrix B1; ///< Transformation matrix for colorbar
|
|
|
|
mglFont *fnt; ///< Class for printing vector text
|
|
mreal FontSize; ///< The size of font for tick and axis labels
|
|
char FontDef[32]; ///< Font specification (see mglGraph::Puts). Default is Roman with align at center.
|
|
int Quality; ///< Quality of plot (0x0-pure, 0x1-fast; 0x2-fine; 0x4 - low memory)
|
|
|
|
mglFormula *fx; ///< Transformation formula for x direction.
|
|
mglFormula *fy; ///< Transformation formula for y direction.
|
|
mglFormula *fz; ///< Transformation formula for z direction.
|
|
mglFormula *fa; ///< Transformation formula for coloring.
|
|
mglFormula *fc; ///< Cutting off condition (formula).
|
|
|
|
long CurrPal; ///< Current palette index
|
|
mreal MarkSize; ///< The size of marks for 1D plots.
|
|
mreal ArrowSize; ///< The size of arrows.
|
|
char last_style[64];///< Last pen style
|
|
mreal font_factor; ///< Font scaling factor
|
|
|
|
long dr_x, dr_y, dr_p; ///< default drawing region for quality&4 mode
|
|
|
|
virtual void LightScale(const mglMatrix *M)=0; ///< Scale positions of light sources
|
|
void ClearPrmInd();
|
|
|
|
// block for SaveState()
|
|
mglPoint MinS; ///< Saved lower edge of bounding box for graphics.
|
|
mglPoint MaxS; ///< Saved upper edge of bounding box for graphics.
|
|
mreal MSS, ASS, FSS, ADS, MNS, LSS; ///< Saved state
|
|
mreal PrevState; ///< Previous value of SaveState()
|
|
long CSS; ///< Saved flags
|
|
bool saved; ///< State is saved
|
|
std::string leg_str;///< text to be save in legend
|
|
|
|
union
|
|
{
|
|
uint64_t mask; ///< Mask to be used for coloring
|
|
unsigned char mask_ch[8];
|
|
};
|
|
int MaskAn; ///< Mask rotation angle in degrees
|
|
int DefMaskAn; ///< Default mask rotation angle in degrees
|
|
|
|
private:
|
|
mglBase(const mglBase &){} // copying is not allowed
|
|
const mglBase &operator=(const mglBase &t){return t;} // copying is not allowed
|
|
|
|
mglPoint CutMin; ///< Lower edge of bounding box for cut off.
|
|
mglPoint CutMax; ///< Upper edge of bounding box for cut off.
|
|
|
|
bool RecalcCRange(); ///< Recalculate internal parameter for correct coloring.
|
|
void RecalcBorder(); ///< Recalculate internal parameter for correct transformation rules.
|
|
bool SetFBord(mreal x,mreal y,mreal z); ///< Set internal boundng box depending on transformation formula
|
|
void ClearEq(); ///< Clear the used variables for axis transformation
|
|
};
|
|
//-----------------------------------------------------------------------------
|
|
bool MGL_EXPORT mgl_check_dim0(HMGL gr, HCDT x, HCDT y, HCDT z, HCDT r, const char *name, bool less=false);
|
|
bool MGL_EXPORT mgl_check_dim1(HMGL gr, HCDT x, HCDT y, HCDT z, HCDT r, const char *name, bool less=false);
|
|
bool MGL_EXPORT mgl_check_dim2(HMGL gr, HCDT x, HCDT y, HCDT z, HCDT a, const char *name, bool less=false);
|
|
bool MGL_EXPORT mgl_check_dim3(HMGL gr, bool both, HCDT x, HCDT y, HCDT z, HCDT a, HCDT b, const char *name);
|
|
bool MGL_EXPORT mgl_check_vec3(HMGL gr, HCDT x, HCDT y, HCDT z, HCDT ax, HCDT ay, HCDT az, const char *name);
|
|
bool MGL_EXPORT mgl_check_trig(HMGL gr, HCDT nums, HCDT x, HCDT y, HCDT z, HCDT a, const char *name, int d=3);
|
|
bool MGL_EXPORT mgl_isnboth(HCDT x, HCDT y, HCDT z, HCDT a);
|
|
bool MGL_EXPORT mgl_isboth(HCDT x, HCDT y, HCDT z, HCDT a);
|
|
inline bool mgl_islog(mreal a,mreal b) { return (a>0 && b>10*a) || (b<0 && a<10*b); }
|
|
//-----------------------------------------------------------------------------
|
|
#endif
|
|
#endif
|