/* PSPP - a program for statistical analysis.
- Copyright (C) 2004 Free Software Foundation, Inc.
+ Copyright (C) 2004, 2009 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
#include <config.h>
#include <output/chart.h>
+#include <output/chart-provider.h>
#include <assert.h>
#include <errno.h>
#include <float.h>
#include <math.h>
+#include <plot.h>
#include <stdarg.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
-#include <plot.h>
-
#include <libpspp/str.h>
#include <output/manager.h>
#include <output/output.h>
extern struct som_table_class tab_table_class;
-struct chart *
-chart_create(void)
+void
+chart_init (struct chart *chart, const struct chart_class *class)
{
- struct chart *chart;
- struct outp_driver *d;
-
- d = outp_drivers (NULL);
- if (d == NULL)
- return NULL;
-
- chart = xmalloc (sizeof *chart);
- chart->lp = NULL;
- d->class->initialise_chart(d, chart);
- if (!chart->lp)
- {
- free (chart);
- return NULL;
- }
-
- if (pl_openpl_r (chart->lp) < 0) /* open Plotter */
- return NULL;
-
- pl_fspace_r (chart->lp, 0.0, 0.0, 1000.0, 1000.0); /* set coordinate system */
- pl_flinewidth_r (chart->lp, 0.25); /* set line thickness */
- pl_pencolorname_r (chart->lp, "black");
-
- pl_erase_r (chart->lp); /* erase graphics display */
- pl_filltype_r(chart->lp,0);
-
- pl_savestate_r(chart->lp);
+ chart->class = class;
+ chart->ref_cnt = 1;
+}
- /* Set default chartetry */
- chart->data_top = 900;
- chart->data_right = 800;
- chart->data_bottom = 120;
- chart->data_left = 150;
- chart->abscissa_top = 70;
- chart->ordinate_right = 120;
- chart->title_bottom = 920;
- chart->legend_left = 810;
- chart->legend_right = 1000;
- chart->font_size = 0;
- strcpy(chart->fill_colour,"red");
+void
+chart_geometry_init (plPlotter *lp, struct chart_geometry *geom)
+{
+ /* Start output page. */
+ pl_openpl_r (lp);
+
+ /* Set coordinate system. */
+ pl_fspace_r (lp, 0.0, 0.0, 1000.0, 1000.0);
+
+ /* Set line thickness. */
+ pl_flinewidth_r (lp, 0.25);
+ pl_pencolorname_r (lp, "black");
+
+ /* Erase graphics display. */
+ pl_erase_r (lp);
+
+ pl_filltype_r (lp, 0);
+ pl_savestate_r(lp);
+
+ /* Set default chartetry. */
+ geom->data_top = 900;
+ geom->data_right = 800;
+ geom->data_bottom = 120;
+ geom->data_left = 150;
+ geom->abscissa_top = 70;
+ geom->ordinate_right = 120;
+ geom->title_bottom = 920;
+ geom->legend_left = 810;
+ geom->legend_right = 1000;
+ geom->font_size = 0;
+ strcpy (geom->fill_colour, "red");
/* Get default font size */
- if ( !chart->font_size)
- chart->font_size = pl_fontsize_r(chart->lp, -1);
+ if (!geom->font_size)
+ geom->font_size = pl_fontsize_r (lp, -1);
/* Draw the data area */
- pl_box_r(chart->lp,
- chart->data_left, chart->data_bottom,
- chart->data_right, chart->data_top);
-
- return chart;
+ pl_box_r (lp,
+ geom->data_left, geom->data_bottom,
+ geom->data_right, geom->data_top);
}
void
-chart_submit(struct chart *chart)
+chart_geometry_free (plPlotter *lp)
{
- struct som_entity s;
- struct outp_driver *d;
-
- if ( ! chart )
- return ;
+ if (pl_closepl_r (lp) < 0)
+ fprintf (stderr, "Couldn't close Plotter\n");
+}
- pl_restorestate_r(chart->lp);
+void
+chart_draw (const struct chart *chart, plPlotter *lp)
+{
+ chart->class->draw (chart, lp);
+}
- s.class = &tab_table_class;
- s.ext = chart;
- s.type = SOM_CHART;
- som_submit (&s);
+struct chart *
+chart_ref (const struct chart *chart_)
+{
+ struct chart *chart = (struct chart *) chart_;
+ chart->ref_cnt++;
+ return chart;
+}
- if (pl_closepl_r (chart->lp) < 0) /* close Plotter */
- {
- fprintf (stderr, "Couldn't close Plotter\n");
- }
+void
+chart_unref (struct chart *chart)
+{
+ assert (chart->ref_cnt > 0);
+ if (--chart->ref_cnt == 0)
+ chart->class->destroy (chart);
+}
- pl_deletepl_r(chart->lp);
+void
+chart_submit (struct chart *chart)
+{
+ struct outp_driver *d;
- pl_deleteplparams(chart->pl_params);
+ for (d = outp_drivers (NULL); d; d = outp_drivers (d))
+ if (d->class->output_chart != NULL)
+ d->class->output_chart (d, chart);
- d = outp_drivers (NULL);
- d->class->finalise_chart(d, chart);
- free(chart);
+ chart_unref (chart);
}
-void
-chart_init_separate (struct chart *ch, const char *type,
- const char *file_name_tmpl, int number)
+bool
+chart_create_file (const char *type, const char *file_name_tmpl, int number,
+ plPlotterParams *params, char **file_namep, plPlotter **lpp)
{
- FILE *fp;
+ char *file_name = NULL;
+ FILE *fp = NULL;
int number_pos;
+ plPlotter *lp;
number_pos = strchr (file_name_tmpl, '#') - file_name_tmpl;
- ch->file_name = xasprintf ("%.*s%d%s",
- number_pos, file_name_tmpl,
- number,
- file_name_tmpl + number_pos + 1);
- fp = fopen (ch->file_name, "wb");
+ file_name = xasprintf ("%.*s%d%s", number_pos, file_name_tmpl,
+ number, file_name_tmpl + number_pos + 1);
+
+ fp = fopen (file_name, "wb");
if (fp == NULL)
{
- error (0, errno, _("creating \"%s\""), ch->file_name);
- free (ch->file_name);
- ch->file_name = NULL;
- return;
+ error (0, errno, _("creating \"%s\""), file_name);
+ goto error;
}
- ch->pl_params = pl_newplparams ();
- ch->lp = pl_newpl_r (type, 0, fp, stderr, ch->pl_params);
-}
+ if (params != NULL)
+ lp = pl_newpl_r (type, 0, fp, stderr, params);
+ else
+ {
+ params = pl_newplparams ();
+ lp = pl_newpl_r (type, 0, fp, stderr, params);
+ pl_deleteplparams (params);
+ }
+ if (lp == NULL)
+ goto error;
-void
-chart_finalise_separate (struct chart *ch)
-{
- free (ch->file_name);
+ *file_namep = file_name;
+ *lpp = lp;
+ return true;
+
+error:
+ if (fp != NULL)
+ {
+ fclose (fp);
+ if (file_name != NULL)
+ unlink (file_name);
+ }
+ free (file_name);
+ *file_namep = NULL;
+ *lpp = NULL;
+ return false;
}
projects / pspp-builds.git / blobdiff