cairo output works again

[pspp] / src / output / cairo-pager.h

diff --git a/src/output/cairo-pager.h b/src/output/cairo-pager.h
new file mode 100644 (file)
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--- /dev/null
+++ b/src/output/cairo-pager.h
@@ -0,0 +1,72 @@
+/* PSPP - a program for statistical analysis.
+   Copyright (C) 2009, 2010, 2014, 2020 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 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, see <http://www.gnu.org/licenses/>. */
+
+#ifndef OUTPUT_CAIRO_PAGER_H
+#define OUTPUT_CAIRO_PAGER_H 1
+
+#include <stdbool.h>
+
+#ifdef HAVE_CAIRO
+
+/* Cairo output driver paginater. */
+
+#include <cairo/cairo.h>
+#include <pango/pango-font.h>
+#include "output/cairo-fsm.h"
+#include "output/page-setup-item.h"
+#include "output/table.h"
+
+struct xr_page_style
+  {
+    int ref_cnt;
+
+    int size[TABLE_N_AXES];          /* Page size minus margins. */
+    int margins[TABLE_N_AXES][2];    /* Margins. */
+
+    struct page_heading headings[2]; /* Top and bottom headings. */
+    PangoFontDescription *font;
+
+    struct cell_color bg;            /* Background color. */
+    double font_scale;
+    int initial_page_number;
+    int object_spacing;
+  };
+struct xr_page_style *xr_page_style_ref (const struct xr_page_style *);
+void xr_page_style_unref (struct xr_page_style *);
+bool xr_page_style_equals (const struct xr_page_style *,
+                           const struct xr_page_style *);
+struct xr_page_style *xr_page_style_default (void);
+
+static inline int
+xr_page_style_paper_size (const struct xr_page_style *ps, enum table_axis a)
+{
+  return ps->size[a] + ps->margins[a][0] + ps->margins[a][1];
+}
+
+struct xr_pager *xr_pager_create (const struct xr_page_style *);
+void xr_pager_destroy (struct xr_pager *);
+
+bool xr_pager_has_item (const struct xr_pager *);
+void xr_pager_add_item (struct xr_pager *, const struct xr_fsm_style *,
+                        const struct output_item *);
+
+bool xr_pager_has_page (const struct xr_pager *);
+void xr_pager_add_page (struct xr_pager *, cairo_t *);
+bool xr_pager_needs_new_page (struct xr_pager *);
+
+#endif  /* HAVE_CAIRO */
+
+#endif /* output/cairo-pager.h */