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
39 int size[TABLE_N_AXES]; /* Page size. */
40 int min_break[TABLE_N_AXES]; /* Minimum cell size to allow breaking. */
41 PangoFontDescription *font;
43 bool use_system_colors;
47 /* Resolution, in units per inch, used for measuring font "points". If
48 this is 72.0, for example, then 1pt = 1 device unit, which is
49 appropriate for rendering to a surface created by
50 cairo_ps_surface_create() with its default transformation matrix of 72
51 units/inch. For a screen-based surface, it is traditionally 96.0. */
52 double font_resolution;
54 struct xr_fsm_style *xr_fsm_style_ref (const struct xr_fsm_style *);
55 struct xr_fsm_style *xr_fsm_style_unshare (struct xr_fsm_style *);
56 void xr_fsm_style_unref (struct xr_fsm_style *);
57 bool xr_fsm_style_equals (const struct xr_fsm_style *,
58 const struct xr_fsm_style *);
60 /* Interface used for rendering output items in a single on-screen region. */
61 struct xr_fsm *xr_fsm_create_for_scrolling (const struct output_item *,
62 const struct xr_fsm_style *,
64 void xr_fsm_measure (struct xr_fsm *, cairo_t *, int *w, int *h);
65 void xr_fsm_draw_all (struct xr_fsm *, cairo_t *);
66 void xr_fsm_draw_region (struct xr_fsm *, cairo_t *,
67 int x, int y, int w, int h);
69 /* Interface used for rendering output items to a series of printed pages. */
70 struct xr_fsm *xr_fsm_create_for_printing (const struct output_item *,
71 const struct xr_fsm_style *,
73 void xr_fsm_destroy (struct xr_fsm *);
74 int xr_fsm_draw_slice (struct xr_fsm *, cairo_t *, int space);
75 bool xr_fsm_is_empty (const struct xr_fsm *);
77 #endif /* HAVE_CAIRO */
79 #endif /* output/cairo-fsm.h */