mathgl2.4.4+qt5 mathgl.zip可以直接使用

/*************************************************************************** * mgl.h is part of Math Graphic Library * Copyright (C) 2007-2016 Alexey Balakin <mathgl.abalakin@gmail.ru> * * * * This program is free software; you can redistribute it and/or modify * * it under the terms of the GNU General Public License as published by * * the Free Software Foundation; either version 2 of the License, or * * (at your option) any later version. * * * * This program is distributed in the hope that it will be useful, * * but WITHOUT ANY WARRANTY; without even the implied warranty of * * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * * GNU General Public License for more details. * * * * You should have received a copy of the GNU General Public License * * along with this program; if not, write to the * * Free Software Foundation, Inc., * * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. * ***************************************************************************/ #ifndef _MGL_H_ #define _MGL_H_ #include "mgl2/mgl_cf.h" #ifdef __cplusplus #include "mgl2/data.h" #include "mgl2/datac.h" #include <sys/stat.h> //----------------------------------------------------------------------------- /// Wrapper class for all graphics class MGL_EXPORT mglGraph { mglGraph(const mglGraph &) {} // copying is not allowed const mglGraph &operator=(const mglGraph &t) { return t; } protected: HMGL gr; public: HMPR pr; ///< Pointer to associated MGL parser mglGraph(int kind=0, int width=600, int height=400) { pr = NULL; if(kind==-1) gr=NULL; #if MGL_HAVE_OPENGL else if(kind==1) gr=mgl_create_graph_gl(); #else else if(kind==1) { gr=mgl_create_graph(width, height); SetGlobalWarn("OpenGL support was disabled. Please, enable it and rebuild MathGL."); } #endif else gr=mgl_create_graph(width, height); } mglGraph(HMGL graph) { pr = NULL; gr = graph; mgl_use_graph(gr,1); } virtual ~mglGraph() { if(mgl_use_graph(gr,-1)<1) mgl_delete_graph(gr); } /// Get pointer to internal HMGL object inline HMGL Self() { return gr; } /// Set default parameters for plotting inline void DefaultPlotParam() { mgl_set_def_param(gr); } /// Set name of plot for saving filename inline void SetPlotId(const char *id) { mgl_set_plotid(gr,id); } /// Get name of plot for saving filename inline const char *GetPlotId() { return mgl_get_plotid(gr); } /// Ask to stop drawing inline void Stop(bool stop=true) { mgl_ask_stop(gr, stop); } /// Check if plot termination is asked inline bool NeedStop() { return mgl_need_stop(gr); } /// Set callback function for event processing inline void SetEventFunc(void (*func)(void *), void *par=NULL) { mgl_set_event_func(gr, func, par); } /// Set the transparency on/off. inline void Alpha(bool enable) { mgl_set_alpha(gr, enable); } /// Set the gray-scale mode on/off. inline void Gray(bool enable) { mgl_set_gray(gr, enable); } /// Set default value of alpha-channel inline void SetAlphaDef(double alpha) { mgl_set_alpha_default(gr, alpha); } /// Set the transparency type (0 - usual, 1 - glass, 2 - lamp) inline void SetTranspType(int type) { mgl_set_transp_type(gr, type); } /// Set the size of semi-transparent area around lines, marks, glyphs, ... Default is 1. inline void SetPenDelta(double d) { mgl_pen_delta(gr,d); } /// Set the using of light on/off. inline void Light(bool enable) { mgl_set_light(gr, enable); } /// Switch on/off the specified light source. inline void Light(int n,bool enable) { mgl_set_light_n(gr, n, enable); } /// Use diffusive light (only for local light sources) -- OBSOLETE inline void SetDifLight(bool dif) { mgl_set_light_dif(gr, dif); } /// Set to attach light settings to inplot. inline void AttachLight(bool enable) { mgl_set_attach_light(gr, enable); } /// Add a light source. inline void AddLight(int n, mglPoint p, char col='w', double bright=0.5, double ap=0) { mgl_add_light_ext(gr, n, p.x, p.y, p.z, col, bright, ap); } inline void AddLight(int n, mglPoint r, mglPoint p, char col='w', double bright=0.5, double ap=0) { mgl_add_light_loc(gr, n, r.x, r.y, r.z, p.x, p.y, p.z, col, bright, ap); } /// Set ambient light brightness inline void SetAmbient(double i) { mgl_set_ambbr(gr, i); } /// Set diffusive light brightness inline void SetDiffuse(double i) { mgl_set_difbr(gr, i); } /// Set the fog distance or switch it off (if d=0). inline void Fog(double d, double dz=0.25) { mgl_set_fog(gr, d, dz); } /// Set relative width of rectangles in Bars, Barh, BoxPlot, Candle, OHLC (default is 0.7) inline void SetBarWidth(double width) { mgl_set_bar_width(gr, width); } /// Set default size of marks (locally you can use "size" option) inline void SetMarkSize(double size) { mgl_set_mark_size(gr, size); } /// Set default size of arrows (locally you can use "size" option) inline void SetArrowSize(double size) { mgl_set_arrow_size(gr, size); } /// Set number of mesh lines (use 0 to draw all of them) inline void SetMeshNum(int num) { mgl_set_meshnum(gr, num); } /// Set number of visible faces (use 0 to draw all of them) inline void SetFaceNum(int num) { mgl_set_facenum(gr, num); } /// Set cutting for points outside of bounding box inline void SetCut(bool cut) { mgl_set_cut(gr, cut); } /// Set additional cutting box inline void SetCutBox(mglPoint p1, mglPoint p2) { mgl_set_cut_box(gr, p1.x, p1.y, p1.z, p2.x, p2.y, p2.z); } /// Set the cutting off condition (formula) inline void CutOff(const char *EqC) { mgl_set_cutoff(gr, EqC); } /// Set default font size inline void SetFontSize(double size) { mgl_set_font_size(gr, size); } /// Set default font style and color inline void SetFontDef(const char *fnt) { mgl_set_font_def(gr, fnt); } /// Set FontSize by size in pt and picture DPI (default is 16 pt for dpi=72) virtual void SetFontSizePT(double pt, int dpi=72) { SetFontSize(pt*27.f/dpi); } /// Set FontSize by size in centimeters and picture DPI (default is 0.56 cm = 16 pt) inline void SetFontSizeCM(double 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(double in, int dpi=72) { SetFontSizePT(in*72.27f,dpi); } /// Load font from file inline void LoadFont(const char *name, const char *path=NULL) { mgl_load_font(gr, name, path); } /// Copy font from another mglGraph instance inline void CopyFont(const mglGraph *GR) { mgl_copy_font(gr, GR->gr);} /// Restore font (load default font for new HMGL objects) inline void RestoreFont() { mgl_restore_font(gr); } /// Set to use or not text rotation inline void SetRotatedText(bool enable) { mgl_set_rotated_text(gr, enable); } /// Set to scale text in relative subplots too inline void SetScaleText(bool enable) { mgl_set_scale_text(gr, enable); } /// Set default font for all new HMGL and mglGraph objects static inline void SetDefFont(const char *name, const char *path=NULL) { mgl_def_font(name,path); } /// Add user-defined glyph for symbol and set its optional id inline void DefineSymbol(char id, const mglDataA &x, const mglDataA &y) { mgl_define_symbol(gr, id, &x, &y); } /// Set default palette inline void SetPalette(const char *colors) { mgl_set_palette(gr, colors); } /// Set default color scheme inline void SetDefScheme(const char *sch) { mgl_set_def_sch(gr, sch); } /// Sets RGB values for color with given i