/* PSPP - a program for statistical analysis.
- Copyright (C) 2009, 2010, 2011, 2013, 2014 Free Software Foundation, Inc.
+ Copyright (C) 2009, 2010, 2011, 2013, 2014, 2016 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 "gl/minmax.h"
#include "gl/xalloc.h"
+#include "gettext.h"
+#define _(msgid) gettext (msgid)
+
/* This file uses TABLE_HORZ and TABLE_VERT enough to warrant abbreviating. */
#define H TABLE_HORZ
#define V TABLE_VERT
};
static struct render_page *render_page_create (const struct render_params *,
- const struct table *);
+ struct table *);
struct render_page *render_page_ref (const struct render_page *page_);
static void render_page_unref (struct render_page *);
size is PARAMS->size, but the caller is responsible for actually breaking it
up to fit on such a device, using the render_break abstraction. */
static struct render_page *
-render_page_create (const struct render_params *params,
- const struct table *table_)
+render_page_create (const struct render_params *params, struct table *table)
{
struct render_page *page;
- struct table *table;
enum { MIN, MAX };
struct render_row *columns[2];
struct render_row *rows;
int i;
enum table_axis axis;
- table = table_ref (table_);
nc = table_nc (table);
nr = table_nr (table);
/* Returns the size of PAGE along AXIS. (This might be larger than the page
size specified in the parameters passed to render_page_create(). Use a
render_break to break up a render_page into page-sized chunks.) */
-int
+static int
render_page_get_size (const struct render_page *page, enum table_axis axis)
{
return page->cp[axis][page->n[axis] * 2 + 1];
}
-int
+static int
render_page_get_best_breakpoint (const struct render_page *page, int height)
{
int y;
return !(z & 1);
}
+bool
+render_direction_rtl (void)
+{
+ /* TRANSLATORS: Do not translate this string. If the script of your language
+ reads from right to left (eg Persian, Arabic, Hebrew etc), then replace
+ this string with "output-direction-rtl". Otherwise either leave it
+ untranslated or copy it verbatim. */
+ const char *dir = _("output-direction-ltr");
+ if ( 0 == strcmp ("output-direction-rtl", dir))
+ return true;
+
+ if ( 0 != strcmp ("output-direction-ltr", dir))
+ fprintf (stderr, "This localisation has been incorrectly translated. Complain to the translator.\n");
+
+ return false;
+}
+
static void
render_rule (const struct render_page *page, const int ofs[TABLE_N_AXES],
const int d[TABLE_N_AXES])
bb[H][0] = ofs[H] + page->cp[H][d[H]];
bb[H][1] = ofs[H] + page->cp[H][d[H] + 1];
+ if (render_direction_rtl ())
+ {
+ int temp = bb[H][0];
+ bb[H][0] = render_page_get_size (page, H) - bb[H][1];
+ bb[H][1] = render_page_get_size (page, H) - temp;
+ }
bb[V][0] = ofs[V] + page->cp[V][d[V]];
bb[V][1] = ofs[V] + page->cp[V][d[V] + 1];
page->params->draw_line (page->params->aux, bb, styles);
bb[H][0] = clip[H][0] = ofs[H] + page->cp[H][cell->d[H][0] * 2 + 1];
bb[H][1] = clip[H][1] = ofs[H] + page->cp[H][cell->d[H][1] * 2];
+ if (render_direction_rtl ())
+ {
+ int temp = bb[H][0];
+ bb[H][0] = clip[H][0] = render_page_get_size (page, H) - bb[H][1];
+ bb[H][1] = clip[H][1] = render_page_get_size (page, H) - temp;
+ }
bb[V][0] = clip[V][0] = ofs[V] + page->cp[V][cell->d[V][0] * 2 + 1];
bb[V][1] = clip[V][1] = ofs[V] + page->cp[V][cell->d[V][1] * 2];
/* Renders PAGE, by calling the 'draw_line' and 'draw_cell' functions from the
render_params provided to render_page_create(). */
-void
+static void
render_page_draw (const struct render_page *page, int ofs[TABLE_N_AXES])
{
int bb[TABLE_N_AXES][2];
/* Renders the cells of PAGE that intersect (X,Y)-(X+W,Y+H), by calling the
'draw_line' and 'draw_cell' functions from the render_params provided to
render_page_create(). */
-void
+static void
render_page_draw_region (const struct render_page *page,
int ofs[TABLE_N_AXES], int clip[TABLE_N_AXES][2])
{
render_page_draw_cells (page, ofs, bb);
}
-\f
+
/* Breaking up tables to fit on a page. */
/* An iterator for breaking render_pages into smaller chunks. */
int z0, int p0,
int z1, int p1);
-/* Initializes render_break B for breaking PAGE along AXIS. */
+/* Initializes render_break B for breaking PAGE along AXIS.
+ Takes ownership of PAGE. */
static void
-render_break_init (struct render_break *b, const struct render_page *page,
+render_break_init (struct render_break *b, struct render_page *page,
enum table_axis axis)
{
- b->page = render_page_ref (page);
+ b->page = page;
b->axis = axis;
b->z = page->h[axis][0];
b->pixel = 0;
struct render_break y_break;
};
-static void
+static const struct render_page *
render_pager_add_table (struct render_pager *p, struct table *table)
{
+ struct render_page *page;
+
if (p->n_pages >= p->allocated_pages)
p->pages = x2nrealloc (p->pages, &p->allocated_pages, sizeof *p->pages);
- p->pages[p->n_pages++] = render_page_create (p->params, table);
+ page = p->pages[p->n_pages++] = render_page_create (p->params, table);
+ return page;
}
static void
render_pager_start_page (struct render_pager *p)
{
- render_break_init (&p->x_break, p->pages[p->cur_page++], H);
+ render_break_init (&p->x_break, render_page_ref (p->pages[p->cur_page++]),
+ H);
render_break_init_empty (&p->y_break);
}
render_pager_create (const struct render_params *params,
const struct table_item *table_item)
{
+ const char *caption = table_item_get_caption (table_item);
+ const char *title = table_item_get_title (table_item);
+ const struct render_page *body_page;
struct render_pager *p;
- const char *title;
p = xzalloc (sizeof *p);
p->params = params;
- title = table_item_get_title (table_item);
+ /* Title. */
if (title)
render_pager_add_table (p, table_from_string (TAB_LEFT, title));
- render_pager_add_table (p, table_ref (table_item_get_table (table_item)));
- add_footnote_page (p, p->pages[p->n_pages - 1]);
+
+ /* Body. */
+ body_page = render_pager_add_table (p, table_ref (table_item_get_table (
+ table_item)));
+
+ /* Caption. */
+ if (caption)
+ render_pager_add_table (p, table_from_string (TAB_LEFT, caption));
+
+ /* Footnotes. */
+ add_footnote_page (p, body_page);
render_pager_start_page (p);
for (i = 0; i < p->n_pages; i++)
{
const struct render_page *page = p->pages[i];
+ int size = render_page_get_size (page, V);
clip[V][0] = MAX (y, ofs[V]) - ofs[V];
- clip[V][1] = MIN (y + h, ofs[V] + render_page_get_size (page, V)) - ofs[V];
+ clip[V][1] = MIN (y + h, ofs[V] + size) - ofs[V];
if (clip[V][1] > clip[V][0])
render_page_draw_region (page, ofs, clip);
+
+ ofs[V] += size;
}
}