cairo: Move chart code into cairo-chart.
authorBen Pfaff <blp@cs.stanford.edu>
Mon, 7 Dec 2020 06:06:57 +0000 (22:06 -0800)
committerBen Pfaff <blp@cs.stanford.edu>
Sun, 13 Dec 2020 19:25:12 +0000 (11:25 -0800)
src/output/ascii.c
src/output/cairo-chart.c
src/output/cairo-chart.h
src/output/cairo-fsm.c
src/output/cairo.c
src/output/cairo.h
src/output/html.c
src/output/tex.c

index d9dcd0b92e05ce701f9258262e955b190d5c3152..1b18f85f4ea78e70d62739f96774e90705c281ec 100644 (file)
@@ -47,7 +47,7 @@
 #include "libpspp/u8-line.h"
 #include "libpspp/version.h"
 #include "output/ascii.h"
-#include "output/cairo.h"
+#include "output/cairo-chart.h"
 #include "output/chart-item-provider.h"
 #include "output/driver-provider.h"
 #include "output/message-item.h"
index 00eb98f5f91b0915ad6c129934c3e16e6dfaef25..809da37c2a69a600e12dc0f6ea63ea7cd0944646 100644 (file)
@@ -20,6 +20,7 @@
 #include "output/cairo-chart.h"
 #include "math/chart-geometry.h"
 
+#include <cairo/cairo-ps.h>
 #include <cairo/cairo.h>
 #include <pango/pango.h>
 #include <pango/pangocairo.h>
 #include <string.h>
 
 #include "libpspp/assertion.h"
+#include "libpspp/message.h"
 #include "math/chart-geometry.h"
 #include "output/cairo.h"
 #include "output/chart-item.h"
+#include "output/charts/barchart.h"
+#include "output/charts/boxplot.h"
+#include "output/charts/np-plot.h"
+#include "output/charts/piechart.h"
+#include "output/charts/plot-hist.h"
+#include "output/charts/roc-chart.h"
+#include "output/charts/scatterplot.h"
+#include "output/charts/scree.h"
+#include "output/charts/spreadlevel-plot.h"
+#include "output/table.h"
 
 #include "gl/xalloc.h"
 #include "gl/xvasprintf.h"
@@ -608,4 +620,121 @@ xrchart_line(cairo_t *cr, const struct xrchart_geometry *geom,
   cairo_line_to (cr, x2, y2);
   cairo_stroke (cr);
 }
+\f
+void
+xr_draw_chart (const struct chart_item *chart_item, cairo_t *cr,
+               double width, double height)
+{
+  struct xrchart_geometry geom;
+
+  cairo_save (cr);
+  cairo_translate (cr, 0, height);
+  cairo_scale (cr, 1.0, -1.0);
+  xrchart_geometry_init (cr, &geom, width, height);
+  if (is_boxplot (chart_item))
+    xrchart_draw_boxplot (chart_item, cr, &geom);
+  else if (is_histogram_chart (chart_item))
+    xrchart_draw_histogram (chart_item, cr, &geom);
+  else if (is_np_plot_chart (chart_item))
+    xrchart_draw_np_plot (chart_item, cr, &geom);
+  else if (is_piechart (chart_item))
+    xrchart_draw_piechart (chart_item, cr, &geom);
+  else if (is_barchart (chart_item))
+    xrchart_draw_barchart (chart_item, cr, &geom);
+  else if (is_roc_chart (chart_item))
+    xrchart_draw_roc (chart_item, cr, &geom);
+  else if (is_scree (chart_item))
+    xrchart_draw_scree (chart_item, cr, &geom);
+  else if (is_spreadlevel_plot_chart (chart_item))
+    xrchart_draw_spreadlevel (chart_item, cr, &geom);
+  else if (is_scatterplot_chart (chart_item))
+    xrchart_draw_scatterplot (chart_item, cr, &geom);
+  else
+    NOT_REACHED ();
+  xrchart_geometry_free (cr, &geom);
+
+  cairo_restore (cr);
+}
+
+char *
+xr_draw_png_chart (const struct chart_item *item,
+                   const char *file_name_template, int number,
+                  const struct cell_color *fg,
+                  const struct cell_color *bg)
+{
+  const int width = 640;
+  const int length = 480;
+
+  cairo_surface_t *surface;
+  cairo_status_t status;
+  const char *number_pos;
+  char *file_name;
+  cairo_t *cr;
+
+  number_pos = strchr (file_name_template, '#');
+  if (number_pos != NULL)
+    file_name = xasprintf ("%.*s%d%s.png", (int) (number_pos - file_name_template),
+                           file_name_template, number, number_pos + 1);
+  else
+    file_name = xasprintf ("%s.png", file_name_template);
+
+  surface = cairo_image_surface_create (CAIRO_FORMAT_RGB24, width, length);
+  cr = cairo_create (surface);
+
+  cairo_set_source_rgb (cr, bg->r / 255.0, bg->g / 255.0, bg->b / 255.0);
+  cairo_paint (cr);
+
+  cairo_set_source_rgb (cr, fg->r / 255.0, fg->g / 255.0, fg->b / 255.0);
+
+  xr_draw_chart (item, cr, width, length);
+
+  status = cairo_surface_write_to_png (surface, file_name);
+  if (status != CAIRO_STATUS_SUCCESS)
+    msg (ME, _("error writing output file `%s': %s"),
+           file_name, cairo_status_to_string (status));
+
+  cairo_destroy (cr);
+  cairo_surface_destroy (surface);
+
+  return file_name;
+}
+
+
+char *
+xr_draw_eps_chart (const struct chart_item *item,
+                   const char *file_name_template, int number,
+                  const struct cell_color *fg,
+                  const struct cell_color *bg)
+{
+  const int width = 640;
+  const int length = 480;
+
+  cairo_surface_t *surface;
+  const char *number_pos;
+  char *file_name;
+  cairo_t *cr;
+
+  number_pos = strchr (file_name_template, '#');
+  if (number_pos != NULL)
+    file_name = xasprintf ("%.*s%d%s.eps", (int) (number_pos - file_name_template),
+                           file_name_template, number, number_pos + 1);
+  else
+    file_name = xasprintf ("%s.eps", file_name_template);
+
+  surface = cairo_ps_surface_create (file_name, width, length);
+  cairo_ps_surface_set_eps (surface, true);
+  cr = cairo_create (surface);
+
+  cairo_set_source_rgb (cr, bg->r / 255.0, bg->g / 255.0, bg->b / 255.0);
+  cairo_paint (cr);
+
+  cairo_set_source_rgb (cr, fg->r / 255.0, fg->g / 255.0, fg->b / 255.0);
+
+  xr_draw_chart (item, cr, width, length);
+
+  cairo_destroy (cr);
+  cairo_surface_destroy (surface);
+
+  return file_name;
+}
 
index 68f2978283b93edc63c3507ca05b2d970c3de0bc..bbcc606d31ddb6216c58d3dfef61fc6662bb14e5 100644 (file)
@@ -23,6 +23,7 @@
 #include "libpspp/compiler.h"
 
 struct chart_item;
+struct cell_color;
 
 struct xrchart_colour
   {
@@ -177,4 +178,17 @@ void xrchart_draw_spreadlevel (const struct chart_item *, cairo_t *,
 void xrchart_draw_scatterplot (const struct chart_item *, cairo_t *,
                          struct xrchart_geometry *);
 
+void xr_draw_chart (const struct chart_item *, cairo_t *,
+                    double width, double height);
+
+char *xr_draw_png_chart (const struct chart_item *,
+                         const char *file_name_template, int number,
+                         const struct cell_color *fg,
+                        const struct cell_color *bg);
+
+char *xr_draw_eps_chart (const struct chart_item *item,
+                         const char *file_name_template, int number,
+                         const struct cell_color *fg,
+                         const struct cell_color *bg);
+
 #endif /* output/cairo-chart.h */
index 0769f47c0172a1b55bf18f58dc7f08f2cde79733..73231dba4e0e73addf1650194812cd5ed8e961a2 100644 (file)
@@ -1188,38 +1188,6 @@ xr_fsm_draw_table (struct xr_fsm *fsm, int space)
   return used;
 }
 
-static void
-xr_draw_chart (const struct chart_item *chart_item, cairo_t *cr,
-               double width, double height)
-{
-  struct xrchart_geometry geom;
-
-  cairo_translate (cr, 0, height);
-  cairo_scale (cr, 1.0, -1.0);
-  xrchart_geometry_init (cr, &geom, width, height);
-  if (is_boxplot (chart_item))
-    xrchart_draw_boxplot (chart_item, cr, &geom);
-  else if (is_histogram_chart (chart_item))
-    xrchart_draw_histogram (chart_item, cr, &geom);
-  else if (is_np_plot_chart (chart_item))
-    xrchart_draw_np_plot (chart_item, cr, &geom);
-  else if (is_piechart (chart_item))
-    xrchart_draw_piechart (chart_item, cr, &geom);
-  else if (is_barchart (chart_item))
-    xrchart_draw_barchart (chart_item, cr, &geom);
-  else if (is_roc_chart (chart_item))
-    xrchart_draw_roc (chart_item, cr, &geom);
-  else if (is_scree (chart_item))
-    xrchart_draw_scree (chart_item, cr, &geom);
-  else if (is_spreadlevel_plot_chart (chart_item))
-    xrchart_draw_spreadlevel (chart_item, cr, &geom);
-  else if (is_scatterplot_chart (chart_item))
-    xrchart_draw_scatterplot (chart_item, cr, &geom);
-  else
-    NOT_REACHED ();
-  xrchart_geometry_free (cr, &geom);
-}
-
 static int
 xr_fsm_draw_chart (struct xr_fsm *fsm, int space)
 {
index 558f9e56a5771f30367d114bb9212a85d8edf83c..db0de7fe39f655648d1bbb0a5fd6d79f03822252 100644 (file)
 #include "output/cairo-chart.h"
 #include "output/cairo-fsm.h"
 #include "output/chart-item-provider.h"
-#include "output/charts/boxplot.h"
-#include "output/charts/np-plot.h"
-#include "output/charts/piechart.h"
-#include "output/charts/barchart.h"
-#include "output/charts/plot-hist.h"
-#include "output/charts/roc-chart.h"
-#include "output/charts/spreadlevel-plot.h"
-#include "output/charts/scree.h"
-#include "output/charts/scatterplot.h"
 #include "output/driver-provider.h"
 #include "output/group-item.h"
 #include "output/message-item.h"
@@ -754,120 +745,3 @@ xr_driver_destroy (struct xr_driver *xr)
       output_driver_destroy (&xr->driver);
     }
 }
-static void
-xr_draw_chart (const struct chart_item *chart_item, cairo_t *cr,
-               double x, double y, double width, double height)
-{
-  struct xrchart_geometry geom;
-
-  cairo_save (cr);
-  cairo_translate (cr, x, y + height);
-  cairo_scale (cr, 1.0, -1.0);
-  xrchart_geometry_init (cr, &geom, width, height);
-  if (is_boxplot (chart_item))
-    xrchart_draw_boxplot (chart_item, cr, &geom);
-  else if (is_histogram_chart (chart_item))
-    xrchart_draw_histogram (chart_item, cr, &geom);
-  else if (is_np_plot_chart (chart_item))
-    xrchart_draw_np_plot (chart_item, cr, &geom);
-  else if (is_piechart (chart_item))
-    xrchart_draw_piechart (chart_item, cr, &geom);
-  else if (is_barchart (chart_item))
-    xrchart_draw_barchart (chart_item, cr, &geom);
-  else if (is_roc_chart (chart_item))
-    xrchart_draw_roc (chart_item, cr, &geom);
-  else if (is_scree (chart_item))
-    xrchart_draw_scree (chart_item, cr, &geom);
-  else if (is_spreadlevel_plot_chart (chart_item))
-    xrchart_draw_spreadlevel (chart_item, cr, &geom);
-  else if (is_scatterplot_chart (chart_item))
-    xrchart_draw_scatterplot (chart_item, cr, &geom);
-  else
-    NOT_REACHED ();
-  xrchart_geometry_free (cr, &geom);
-
-  cairo_restore (cr);
-}
-
-char *
-xr_draw_png_chart (const struct chart_item *item,
-                   const char *file_name_template, int number,
-                  const struct cell_color *fg,
-                  const struct cell_color *bg)
-{
-  const int width = 640;
-  const int length = 480;
-
-  cairo_surface_t *surface;
-  cairo_status_t status;
-  const char *number_pos;
-  char *file_name;
-  cairo_t *cr;
-
-  number_pos = strchr (file_name_template, '#');
-  if (number_pos != NULL)
-    file_name = xasprintf ("%.*s%d%s.png", (int) (number_pos - file_name_template),
-                           file_name_template, number, number_pos + 1);
-  else
-    file_name = xasprintf ("%s.png", file_name_template);
-
-  surface = cairo_image_surface_create (CAIRO_FORMAT_RGB24, width, length);
-  cr = cairo_create (surface);
-
-  cairo_set_source_rgb (cr, bg->r / 255.0, bg->g / 255.0, bg->b / 255.0);
-  cairo_paint (cr);
-
-  cairo_set_source_rgb (cr, fg->r / 255.0, fg->g / 255.0, fg->b / 255.0);
-
-  xr_draw_chart (item, cr, 0.0, 0.0, width, length);
-
-  status = cairo_surface_write_to_png (surface, file_name);
-  if (status != CAIRO_STATUS_SUCCESS)
-    msg (ME, _("error writing output file `%s': %s"),
-           file_name, cairo_status_to_string (status));
-
-  cairo_destroy (cr);
-  cairo_surface_destroy (surface);
-
-  return file_name;
-}
-
-
-char *
-xr_draw_eps_chart (const struct chart_item *item,
-                   const char *file_name_template, int number,
-                  const struct cell_color *fg,
-                  const struct cell_color *bg)
-{
-  const int width = 640;
-  const int length = 480;
-
-  cairo_surface_t *surface;
-  const char *number_pos;
-  char *file_name;
-  cairo_t *cr;
-
-  number_pos = strchr (file_name_template, '#');
-  if (number_pos != NULL)
-    file_name = xasprintf ("%.*s%d%s.eps", (int) (number_pos - file_name_template),
-                           file_name_template, number, number_pos + 1);
-  else
-    file_name = xasprintf ("%s.eps", file_name_template);
-
-  surface = cairo_ps_surface_create (file_name, width, length);
-  cairo_ps_surface_set_eps (surface, true);
-  cr = cairo_create (surface);
-
-  cairo_set_source_rgb (cr, bg->r / 255.0, bg->g / 255.0, bg->b / 255.0);
-  cairo_paint (cr);
-
-  cairo_set_source_rgb (cr, fg->r / 255.0, fg->g / 255.0, fg->b / 255.0);
-
-  xr_draw_chart (item, cr, 0.0, 0.0, width, length);
-
-  cairo_destroy (cr);
-  cairo_surface_destroy (surface);
-
-  return file_name;
-}
-
index 6a0170038c8e45e132fffdc3a1ea0147e7ad5017..50bbc372febce30027ab9e499fd32811cbccd80e 100644 (file)
@@ -72,15 +72,6 @@ bool xr_driver_need_new_page (const struct xr_driver *);
 bool xr_driver_is_page_blank (const struct xr_driver *);
 
 /* Render charts with Cairo. */
-char *xr_draw_png_chart (const struct chart_item *,
-                         const char *file_name_template, int number,
-                         const struct cell_color *fg,
-                        const struct cell_color *bg);
-
-char *xr_draw_eps_chart (const struct chart_item *item,
-                         const char *file_name_template, int number,
-                         const struct cell_color *fg,
-                         const struct cell_color *bg);
 
 #endif  /* HAVE_CAIRO */
 
index 9498561a54b3d843c3ed33c7e50ef1e1542708ef..f8ce21ce5dc97bdb49c2680c23c36287cf8c195b 100644 (file)
@@ -33,7 +33,7 @@
 #include "libpspp/i18n.h"
 #include "libpspp/message.h"
 #include "libpspp/version.h"
-#include "output/cairo.h"
+#include "output/cairo-chart.h"
 #include "output/chart-item.h"
 #include "output/driver-provider.h"
 #include "output/message-item.h"
index 01a5a2816cb373669df2490b964671bf983cfdd3..722549097b0a68d7bef4c89e7c592f23b739d522 100644 (file)
@@ -36,7 +36,7 @@
 #include "libpspp/message.h"
 #include "libpspp/temp-file.h"
 #include "libpspp/version.h"
-#include "output/cairo.h"
+#include "output/cairo-chart.h"
 #include "output/chart-item.h"
 #include "output/driver-provider.h"
 #include "output/message-item.h"