From a6163888f3c56123b1db313743c6147ba498732c Mon Sep 17 00:00:00 2001 From: Yuval Adam Date: Fri, 8 Aug 2014 14:42:07 +0300 Subject: Add third_party libs --- third_party/windows/fltk-1.1.10/src/Fl_Chart.cxx | 390 +++++++++++++++++++++++ 1 file changed, 390 insertions(+) create mode 100644 third_party/windows/fltk-1.1.10/src/Fl_Chart.cxx (limited to 'third_party/windows/fltk-1.1.10/src/Fl_Chart.cxx') diff --git a/third_party/windows/fltk-1.1.10/src/Fl_Chart.cxx b/third_party/windows/fltk-1.1.10/src/Fl_Chart.cxx new file mode 100644 index 0000000..003a892 --- /dev/null +++ b/third_party/windows/fltk-1.1.10/src/Fl_Chart.cxx @@ -0,0 +1,390 @@ +// +// "$Id: Fl_Chart.cxx 5942 2007-10-06 17:33:17Z matt $" +// +// Forms-compatible chart widget for the Fast Light Tool Kit (FLTK). +// +// Copyright 1998-2005 by Bill Spitzak and others. +// +// This library is free software; you can redistribute it and/or +// modify it under the terms of the GNU Library General Public +// License as published by the Free Software Foundation; either +// version 2 of the License, or (at your option) any later version. +// +// This library 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 +// Library General Public License for more details. +// +// You should have received a copy of the GNU Library General Public +// License along with this library; if not, write to the Free Software +// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 +// USA. +// +// Please report all bugs and problems on the following page: +// +// http://www.fltk.org/str.php +// + +#include +#include +#include +#include +#include "flstring.h" +#include + +#define ARCINC (2.0*M_PI/360.0) + +// this function is in fl_boxtype.cxx: +void fl_rectbound(int x,int y,int w,int h, Fl_Color color); + +/* Widget specific information */ + +static void draw_barchart(int x,int y,int w,int h, + int numb, FL_CHART_ENTRY entries[], + double min, double max, int autosize, int maxnumb, + Fl_Color textcolor) +/* Draws a bar chart. x,y,w,h is the bounding box, entries the array of + numb entries and min and max the boundaries. */ +{ + double incr; + int zeroh; + double lh = fl_height(); + if (max == min) incr = h; + else incr = h/(max-min); + if ( (-min*incr) < lh) { + incr = (h - lh + min*incr)/(max-min); + zeroh = int(y+h-lh); + } else { + zeroh = (int)rint(y+h+min * incr); + } + int bwidth = (int)rint(w/double(autosize?numb:maxnumb)); + /* Draw base line */ + fl_color(textcolor); + fl_line(x, zeroh, x+w, zeroh); + if (min == 0.0 && max == 0.0) return; /* Nothing else to draw */ + int i; + /* Draw the bars */ + for (i=0; i 0) + fl_rectbound(x+i*bwidth,zeroh-hh,bwidth+1,hh+1,(Fl_Color)entries[i].col); + } + /* Draw the labels */ + fl_color(textcolor); + for (i=0; i lw) lw = w1; + } + if (lw > 0.0) lw += 4.0; + double incr; + int zeroh; + if (max == min) incr = w; + else incr = w/(max-min); + if ( (-min*incr) < lw) { + incr = (w - lw + min*incr)/(max-min); + zeroh = x+(int)rint(lw); + } else { + zeroh = (int)rint(x-min * incr); + } + int bwidth = (int)rint(h/double(autosize?numb:maxnumb)); + /* Draw base line */ + fl_color(textcolor); + fl_line(zeroh, y, zeroh, y+h); + if (min == 0.0 && max == 0.0) return; /* Nothing else to draw */ + /* Draw the bars */ + for (i=0; i 0) + fl_rectbound(zeroh,y+i*bwidth,ww+1,bwidth+1, (Fl_Color)entries[i].col); + else if (ww < 0) + fl_rectbound(zeroh+ww,y+i*bwidth,-ww+1,bwidth+1,(Fl_Color)entries[i].col); + } + /* Draw the labels */ + fl_color(textcolor); + for (i=0; i0.0)!=(entries[i].val>0.0)) { + double ttt = entries[i-1].val/(entries[i-1].val-entries[i].val); + int xt = x + (int)rint((i-.5+ttt)*bwidth); + fl_polygon(x0,zeroh, x0,yy0, xt,zeroh); + fl_polygon(xt,zeroh, x1,yy1, x1,zeroh); + } else { + fl_polygon(x0,zeroh, x0,yy0, x1,yy1, x1,zeroh); + } + fl_color(textcolor); + fl_line(x0,yy0,x1,yy1); + } + } + /* Draw base line */ + fl_color(textcolor); + fl_line(x,zeroh,x+w,zeroh); + /* Draw the labels */ + for (i=0; i=0 ? FL_ALIGN_BOTTOM : FL_ALIGN_TOP); +} + +static void draw_piechart(int x,int y,int w,int h, + int numb, FL_CHART_ENTRY entries[], int special, + Fl_Color textcolor) +/* Draws a pie chart. x,y,w,h is the bounding box, entries the array of + numb entries */ +{ + int i; + double xc,yc,rad; /* center and radius */ + double tot; /* sum of values */ + double incr; /* increment in angle */ + double curang; /* current angle we are drawing */ + double txc,tyc; /* temporary center */ + double lh = fl_height(); + /* compute center and radius */ + double h_denom = (special ? 2.3 : 2.0); + rad = (h - 2*lh)/h_denom/1.1; + xc = x+w/2.0; yc = y+h-1.1*rad-lh; + /* compute sum of values */ + tot = 0.0; + for (i=0; i 0.0) tot += entries[i].val; + if (tot == 0.0) return; + incr = 360.0/tot; + /* Draw the pie */ + curang = 0.0; + for (i=0; i 0.0) + { + txc = xc; tyc = yc; + /* Correct for special pies */ + if (special && i==0) + { + txc += 0.3*rad*cos(ARCINC*(curang+0.5*incr*entries[i].val)); + tyc -= 0.3*rad*sin(ARCINC*(curang+0.5*incr*entries[i].val)); + } + fl_color((Fl_Color)entries[i].col); + fl_begin_polygon(); fl_vertex(txc,tyc); + fl_arc(txc,tyc,rad,curang, curang+incr*entries[i].val); + fl_end_polygon(); + fl_color(textcolor); + fl_begin_loop(); fl_vertex(txc,tyc); + fl_arc(txc,tyc,rad,curang, curang+incr*entries[i].val); + fl_end_loop(); + curang += 0.5 * incr * entries[i].val; + /* draw the label */ + double xl = txc + 1.1*rad*cos(ARCINC*curang); + fl_draw(entries[i].str, + (int)rint(xl), + (int)rint(tyc - 1.1*rad*sin(ARCINC*curang)), + 0, 0, + xl= max) { + min = max = 0.0; + for (int i=0; i max) max = entries[i].val; + } + } + + fl_font(textfont(),textsize()); + + switch (type()) { + case FL_BAR_CHART: + ww++; // makes the bars fill box correctly + draw_barchart(xx,yy,ww,hh, numb, entries, min, max, + autosize(), maxnumb, textcolor()); + break; + case FL_HORBAR_CHART: + hh++; // makes the bars fill box correctly + draw_horbarchart(xx,yy,ww,hh, numb, entries, min, max, + autosize(), maxnumb, textcolor()); + break; + case FL_PIE_CHART: + draw_piechart(xx,yy,ww,hh,numb,entries,0, textcolor()); + break; + case FL_SPECIALPIE_CHART: + draw_piechart(xx,yy,ww,hh,numb,entries,1,textcolor()); + break; + default: + draw_linechart(type(),xx,yy,ww,hh, numb, entries, min, max, + autosize(), maxnumb, textcolor()); + break; + } + draw_label(); + fl_pop_clip(); +} + +/*------------------------------*/ + +#define FL_CHART_BOXTYPE FL_BORDER_BOX +#define FL_CHART_COL1 FL_COL1 +#define FL_CHART_LCOL FL_LCOL +#define FL_CHART_ALIGN FL_ALIGN_BOTTOM + +Fl_Chart::Fl_Chart(int X, int Y, int W, int H,const char *l) : +Fl_Widget(X,Y,W,H,l) { + box(FL_BORDER_BOX); + align(FL_ALIGN_BOTTOM); + numb = 0; + maxnumb = 0; + sizenumb = FL_CHART_MAX; + autosize_ = 1; + min = max = 0; + textfont_ = FL_HELVETICA; + textsize_ = 10; + textcolor_ = FL_FOREGROUND_COLOR; + entries = (FL_CHART_ENTRY *)calloc(sizeof(FL_CHART_ENTRY), FL_CHART_MAX + 1); +} + +Fl_Chart::~Fl_Chart() { + free(entries); +} + +void Fl_Chart::clear() { + numb = 0; + redraw(); +} + +void Fl_Chart::add(double val, const char *str, unsigned col) { + /* Allocate more entries if required */ + if (numb >= sizenumb) { + sizenumb += FL_CHART_MAX; + entries = (FL_CHART_ENTRY *)realloc(entries, sizeof(FL_CHART_ENTRY) * (sizenumb + 1)); + } + // Shift entries as needed + if (numb >= maxnumb && maxnumb > 0) { + memmove(entries, entries + 1, sizeof(FL_CHART_ENTRY) * (numb - 1)); + numb --; + } + entries[numb].val = float(val); + entries[numb].col = col; + if (str) { + strlcpy(entries[numb].str,str,FL_CHART_LABEL_MAX + 1); + } else { + entries[numb].str[0] = 0; + } + numb++; + redraw(); +} + +void Fl_Chart::insert(int ind, double val, const char *str, unsigned col) { + int i; + if (ind < 1 || ind > numb+1) return; + /* Allocate more entries if required */ + if (numb >= sizenumb) { + sizenumb += FL_CHART_MAX; + entries = (FL_CHART_ENTRY *)realloc(entries, sizeof(FL_CHART_ENTRY) * (sizenumb + 1)); + } + // Shift entries as needed + for (i=numb; i >= ind; i--) entries[i] = entries[i-1]; + if (numb < maxnumb || maxnumb == 0) numb++; + /* Fill in the new entry */ + entries[ind-1].val = float(val); + entries[ind-1].col = col; + if (str) { + strlcpy(entries[ind-1].str,str,FL_CHART_LABEL_MAX+1); + } else { + entries[ind-1].str[0] = 0; + } + redraw(); +} + +void Fl_Chart::replace(int ind,double val, const char *str, unsigned col) { + if (ind < 1 || ind > numb) return; + entries[ind-1].val = float(val); + entries[ind-1].col = col; + if (str) { + strlcpy(entries[ind-1].str,str,FL_CHART_LABEL_MAX+1); + } else { + entries[ind-1].str[0] = 0; + } + redraw(); +} + +void Fl_Chart::bounds(double mymin, double mymax) { + this->min = mymin; + this->max = mymax; + redraw(); +} + +void Fl_Chart::maxsize(int m) { + int i; + /* Fill in the new number */ + if (m < 0) return; + maxnumb = m; + /* Shift entries if required */ + if (numb > maxnumb) { + for (i = 0; i