1 /* PSPP - a program for statistical analysis.
2 Copyright (C) 2009, 2010, 2014, 2020 Free Software Foundation, Inc.
4 This program is free software: you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation, either version 3 of the License, or
7 (at your option) any later version.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License
15 along with this program. If not, see <http://www.gnu.org/licenses/>. */
17 #ifndef OUTPUT_CAIRO_FSM_H
18 #define OUTPUT_CAIRO_FSM_H 1
24 #include <cairo/cairo.h>
25 #include <pango/pango-font.h>
26 #include "output/table.h"
31 /* The unit used for internal measurements is inch/(72 * XR_POINT).
32 (Thus, XR_POINT units represent one point.) */
33 #define XR_POINT PANGO_SCALE
46 int size[TABLE_N_AXES]; /* Page size. */
47 int min_break[TABLE_N_AXES]; /* Minimum cell size to allow breaking. */
48 PangoFontDescription *fonts[XR_N_FONTS];
50 bool use_system_colors;
54 /* Resolution, in units per inch, used for measuring font "points". If
55 this is 72.0, for example, then 1pt = 1 device unit, which is
56 appropriate for rendering to a surface created by
57 cairo_ps_surface_create() with its default transformation matrix of 72
58 units/inch. For a screen-based surface, it is traditionally 96.0. */
59 double font_resolution;
61 struct xr_fsm_style *xr_fsm_style_ref (const struct xr_fsm_style *);
62 struct xr_fsm_style *xr_fsm_style_unshare (struct xr_fsm_style *);
63 void xr_fsm_style_unref (struct xr_fsm_style *);
64 bool xr_fsm_style_equals (const struct xr_fsm_style *,
65 const struct xr_fsm_style *);
67 /* Interface used for rendering output items in a single on-screen region. */
68 struct xr_fsm *xr_fsm_create_for_scrolling (const struct output_item *,
69 const struct xr_fsm_style *,
71 void xr_fsm_measure (struct xr_fsm *, cairo_t *, int *w, int *h);
72 void xr_fsm_draw_all (struct xr_fsm *, cairo_t *);
73 void xr_fsm_draw_region (struct xr_fsm *, cairo_t *,
74 int x, int y, int w, int h);
76 /* Interface used for rendering output items to a series of printed pages. */
77 struct xr_fsm *xr_fsm_create_for_printing (const struct output_item *,
78 const struct xr_fsm_style *,
80 void xr_fsm_destroy (struct xr_fsm *);
81 int xr_fsm_draw_slice (struct xr_fsm *, cairo_t *, int space);
82 bool xr_fsm_is_empty (const struct xr_fsm *);
84 #endif /* HAVE_CAIRO */
86 #endif /* output/cairo-fsm.h */