X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;ds=sidebyside;f=src%2Foutput%2Fcharts%2Fpiechart.c;h=d7db80e921a6f573991ed0be14e1eaf583e8527d;hb=58e00a3068cffe79b28c195b58841edb617d995e;hp=15d69664bb8bf9ef4fc662ffea010f288486dfce;hpb=f5c108becd49d78f4898cab11352291f5689d24e;p=pspp-builds.git diff --git a/src/output/charts/piechart.c b/src/output/charts/piechart.c index 15d69664..d7db80e9 100644 --- a/src/output/charts/piechart.c +++ b/src/output/charts/piechart.c @@ -1,21 +1,18 @@ -/* PSPP - draws pie charts of sample statistics +/* PSPP - a program for statistical analysis. + Copyright (C) 2004, 2009 Free Software Foundation, Inc. -Copyright (C) 2004 Free Software Foundation, Inc. + 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 3 of the License, or + (at your option) any later version. -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. -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., 51 Franklin Street, Fifth Floor, Boston, MA -02110-1301, USA. */ + You should have received a copy of the GNU General Public License + along with this program. If not, see . */ #include @@ -60,24 +57,28 @@ piechart_plot(const char *title, const struct slice *slices, int n_slices) int i; double total_magnetude=0; - struct chart *ch = chart_create(); + struct chart *ch; - const double left_label = ch->data_left + - (ch->data_right - ch->data_left)/10.0; + double left_label; + double right_label; - const double right_label = ch->data_right - - (ch->data_right - ch->data_left)/10.0; + double centre_x; + double centre_y; - const double centre_x = (ch->data_right + ch->data_left ) / 2.0 ; - const double centre_y = (ch->data_top + ch->data_bottom ) / 2.0 ; + double radius; - const double radius = MIN( - 5.0 / 12.0 * (ch->data_top - ch->data_bottom), - 1.0 / 4.0 * (ch->data_right - ch->data_left) - ); + ch = chart_create (); + if (ch == NULL) + return; + left_label = ch->data_left + (ch->data_right - ch->data_left)/10.0; + right_label = ch->data_right - (ch->data_right - ch->data_left)/10.0; + centre_x = (ch->data_right + ch->data_left ) / 2.0; + centre_y = (ch->data_top + ch->data_bottom ) / 2.0; + radius = MIN (5.0 / 12.0 * (ch->data_top - ch->data_bottom), + 1.0 / 4.0 * (ch->data_right - ch->data_left)); - chart_write_title(ch, title); + chart_write_title(ch, "%s", title); for (i = 0 ; i < n_slices ; ++i ) total_magnetude += slices[i].magnetude; @@ -99,7 +100,7 @@ piechart_plot(const char *title, const struct slice *slices, int n_slices) draw_segment(ch, centre_x, centre_y, radius, angle, segment_angle, - data_colour[i]); + data_colour[i % N_CHART_COLOURS]); /* Now add the labels */ if ( label_x < centre_x ) @@ -107,7 +108,7 @@ piechart_plot(const char *title, const struct slice *slices, int n_slices) pl_line_r(ch->lp, label_x, label_y, left_label, label_y ); pl_moverel_r(ch->lp,0,5); - pl_alabel_r(ch->lp,0,0,slices[i].label); + pl_alabel_r (ch->lp, 0, 0, ds_cstr (&slices[i].label)); } else { @@ -116,7 +117,7 @@ piechart_plot(const char *title, const struct slice *slices, int n_slices) right_label, label_y ); pl_moverel_r(ch->lp,0,5); - pl_alabel_r(ch->lp,'r',0,slices[i].label); + pl_alabel_r (ch->lp, 'r', 0, ds_cstr (&slices[i].label)); } angle += segment_angle;