#include "libpspp/assertion.h"
#include "libpspp/hash-functions.h"
#include "libpspp/hmap.h"
+#include "libpspp/pool.h"
#include "output/render.h"
-#include "output/tab.h"
#include "output/table-item.h"
#include "output/table.h"
struct table *table; /* Table rendered. */
int ref_cnt;
- /* Local copies of table->n and table->h, for convenience. */
- int n[TABLE_N_AXES];
+ /* Region of 'table' to render.
+
+ The horizontal cells rendered are the leftmost h[H][0], then
+ r[H][0] through r[H][1], exclusive, then the rightmost h[H][1].
+
+ The vertical cells rendered are the topmost h[V][0], then r[V][0]
+ through r[V][1], exclusive, then the bottommost h[V][1].
+
+ n[H] = h[H][0] + (r[H][1] - r[H][0]) + h[H][1]
+ n[V] = h[V][0] + (r[V][1] - r[V][0]) + h[V][1]
+ */
int h[TABLE_N_AXES][2];
+ int r[TABLE_N_AXES][2];
+ int n[TABLE_N_AXES];
/* "Cell positions".
};
static struct render_page *render_page_create (const struct render_params *,
- struct table *);
+ struct table *, int min_width);
struct render_page *render_page_ref (const struct render_page *page_);
static void render_page_unref (struct render_page *);
int n = page->n[axis];
int x0 = page->h[axis][0];
int x1 = n - page->h[axis][1];
- int x, max;
- max = 0;
- for (x = x0; x < x1; x++)
+ int max = 0;
+ for (int x = x0; x < x1; x++)
{
int w = cell_width (page, axis, x);
if (w > max)
const struct render_row *rows, const int *rules)
{
int n = page->n[axis];
- int *cp;
- int z;
-
- cp = page->cp[axis];
+ int *cp = page->cp[axis];
cp[0] = 0;
- for (z = 0; z < n; z++)
+ for (int z = 0; z < n; z++)
{
cp[1] = cp[0] + rules[z];
cp[2] = cp[1] + rows[z].width;
static int
calculate_table_width (int n, const struct render_row *rows, int *rules)
{
- int width;
- int x;
-
- width = 0;
- for (x = 0; x < n; x++)
+ int width = 0;
+ for (int x = 0; x < n; x++)
width += rows[x].width;
- for (x = 0; x <= n; x++)
+ for (int x = 0; x <= n; x++)
width += rules[x];
return width;
{
switch (type)
{
- case TAL_NONE:
+ case TABLE_STROKE_NONE:
return RENDER_LINE_NONE;
- case TAL_SOLID:
+ case TABLE_STROKE_SOLID:
return RENDER_LINE_SINGLE;
- case TAL_DASHED:
+ case TABLE_STROKE_DASHED:
return RENDER_LINE_DASHED;
- case TAL_THICK:
+ case TABLE_STROKE_THICK:
return RENDER_LINE_THICK;
- case TAL_THIN:
+ case TABLE_STROKE_THIN:
return RENDER_LINE_THIN;
- case TAL_DOUBLE:
+ case TABLE_STROKE_DOUBLE:
return RENDER_LINE_DOUBLE;
default:
NOT_REACHED ();
enum table_axis a, int z)
{
enum table_axis b = !a;
- unsigned int rules;
- int d[TABLE_N_AXES];
/* Determine all types of rules that are present, as a bitmap in 'rules'
where rule type 't' is present if bit 2**t is set. */
- rules = 0;
+ struct cell_color color;
+ unsigned int rules = 0;
+ int d[TABLE_N_AXES];
d[a] = z;
for (d[b] = 0; d[b] < table->n[b]; d[b]++)
- rules |= 1u << table_get_rule (table, a, d[H], d[V]);
+ rules |= 1u << table_get_rule (table, a, d[H], d[V], &color);
- /* Turn off TAL_NONE because it has width 0 and we needn't bother. However,
- if the device doesn't support margins, make sure that there is at least a
- small gap between cells (but we don't need any at the left or right edge
- of the table). */
- if (rules & (1u << TAL_NONE))
+ /* Turn off TABLE_STROKE_NONE because it has width 0 and we needn't bother.
+ However, if the device doesn't support margins, make sure that there is at
+ least a small gap between cells (but we don't need any at the left or
+ right edge of the table). */
+ if (rules & (1u << TABLE_STROKE_NONE))
{
- rules &= ~(1u << TAL_NONE);
+ rules &= ~(1u << TABLE_STROKE_NONE);
if (z > 0 && z < table->n[a] && !params->supports_margins && a == H)
- rules |= 1u << TAL_SOLID;
+ rules |= 1u << TABLE_STROKE_SOLID;
}
/* Calculate maximum width of the rules that are present. */
int width = 0;
- for (size_t i = 0; i < N_LINES; i++)
+ for (size_t i = 0; i < TABLE_N_STROKES; i++)
if (rules & (1u << i))
- width = MAX (width, params->line_widths[a][rule_to_render_type (i)]);
+ width = MAX (width, params->line_widths[rule_to_render_type (i)]);
return width;
}
/* Allocates and returns a new render_page using PARAMS and TABLE. Allocates
- space for all of the members of the new page, but the caller must initialize
- the 'cp' member itself. */
+ space for rendering a table with dimensions given in N. The caller must
+ initialize most of the members itself. */
static struct render_page *
-render_page_allocate (const struct render_params *params,
- struct table *table)
+render_page_allocate__ (const struct render_params *params,
+ struct table *table, int n[TABLE_N_AXES])
{
- struct render_page *page;
- int i;
-
- page = xmalloc (sizeof *page);
+ struct render_page *page = xmalloc (sizeof *page);
page->params = params;
page->table = table;
page->ref_cnt = 1;
- page->n[H] = table->n[H];
- page->n[V] = table->n[V];
- page->h[H][0] = table->h[H][0];
- page->h[H][1] = table->h[H][1];
- page->h[V][0] = table->h[V][0];
- page->h[V][1] = table->h[V][1];
-
- for (i = 0; i < TABLE_N_AXES; i++)
+ page->n[H] = n[H];
+ page->n[V] = n[V];
+
+ for (int i = 0; i < TABLE_N_AXES; i++)
{
- page->cp[i] = xmalloc ((2 * page->n[i] + 2) * sizeof *page->cp[i]);
- page->join_crossing[i] = xzalloc ((page->n[i] + 1) * sizeof *page->join_crossing[i]);
+ page->cp[i] = xmalloc ((2 * n[i] + 2) * sizeof *page->cp[i]);
+ page->join_crossing[i] = xzalloc ((n[i] + 1)
+ * sizeof *page->join_crossing[i]);
}
hmap_init (&page->overflows);
return page;
}
+/* Allocates and returns a new render_page using PARAMS and TABLE. Allocates
+ space for all of the members of the new page, but the caller must initialize
+ the 'cp' member itself. */
+static struct render_page *
+render_page_allocate (const struct render_params *params, struct table *table)
+{
+ struct render_page *page = render_page_allocate__ (params, table, table->n);
+ for (enum table_axis a = 0; a < TABLE_N_AXES; a++)
+ {
+ page->h[a][0] = table->h[a][0];
+ page->h[a][1] = table->h[a][1];
+ page->r[a][0] = table->h[a][0];
+ page->r[a][1] = table->n[a] - table->h[a][1];
+ }
+ return page;
+}
+
/* Allocates and returns a new render_page for PARAMS and TABLE, initializing
cp[H] in the new page from ROWS and RULES. The caller must still initialize
cp[V]. */
assert (page->cp[H][n * 2 + 1] == params->size[H]);
return page;
}
-
\f
static void
set_join_crossings (struct render_page *page, enum table_axis axis,
const struct table_cell *cell, int *rules)
{
- int z;
-
- for (z = cell->d[axis][0] + 1; z <= cell->d[axis][1] - 1; z++)
+ for (int z = cell->d[axis][0] + 1; z <= cell->d[axis][1] - 1; z++)
page->join_crossing[axis][z] = rules[z];
}
+/* Maps a contiguous range of cells from a page to the underlying table along
+ the horizpntal or vertical dimension. */
+struct map
+ {
+ int p0; /* First ordinate in the page. */
+ int t0; /* First ordinate in the table. */
+ int n; /* Number of ordinates in page and table. */
+ };
+
+/* Initializes M to a mapping from PAGE to PAGE->table along axis A. The
+ mapping includes ordinate Z (in PAGE). */
+static void
+get_map (const struct render_page *page, enum table_axis a, int z,
+ struct map *m)
+{
+ if (z < page->h[a][0])
+ {
+ m->p0 = 0;
+ m->t0 = 0;
+ m->n = page->h[a][0];
+ }
+ else if (z < page->n[a] - page->h[a][1])
+ {
+ m->p0 = page->h[a][0];
+ m->t0 = page->r[a][0];
+ m->n = page->r[a][1] - page->r[a][0];
+ }
+ else
+ {
+ m->p0 = page->n[a] - page->h[a][1];
+ m->t0 = page->table->n[a] - page->table->h[a][1];
+ m->n = page->h[a][1];
+ }
+}
+
+/* Initializes CELL with the contents of the table cell at column X and row Y
+ within PAGE. When CELL is no longer needed, the caller is responsible for
+ freeing it by calling table_cell_free(CELL).
+
+ The caller must ensure that CELL is destroyed before TABLE is unref'ed.
+
+ This is equivalent to table_get_cell(), except X and Y are in terms of the
+ page's rows and columns rather than the underlying table's. */
+static void
+render_get_cell (const struct render_page *page, int x, int y,
+ struct table_cell *cell)
+{
+ int d[TABLE_N_AXES] = { [H] = x, [V] = y };
+ struct map map[TABLE_N_AXES];
+
+ for (enum table_axis a = 0; a < TABLE_N_AXES; a++)
+ {
+ struct map *m = &map[a];
+ get_map (page, a, d[a], m);
+ d[a] += m->t0 - m->p0;
+ }
+ table_get_cell (page->table, d[H], d[V], cell);
+
+ for (enum table_axis a = 0; a < TABLE_N_AXES; a++)
+ {
+ struct map *m = &map[a];
+
+ for (int i = 0; i < 2; i++)
+ cell->d[a][i] -= m->t0 - m->p0;
+ cell->d[a][0] = MAX (cell->d[a][0], m->p0);
+ cell->d[a][1] = MIN (cell->d[a][1], m->p0 + m->n);
+ }
+}
+
/* Creates and returns a new render_page for rendering TABLE on a device
described by PARAMS.
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, struct table *table)
+render_page_create (const struct render_params *params, struct table *table,
+ int min_width)
{
- struct render_page *page;
enum { MIN, MAX };
- struct render_row *columns[2];
- struct render_row *rows;
- int table_widths[2];
- int *rules[TABLE_N_AXES];
- int nr, nc;
- int x, y;
- int i;
- enum table_axis axis;
- nc = table_nc (table);
- nr = table_nr (table);
+ int nc = table_nc (table);
+ int nr = table_nr (table);
/* Figure out rule widths. */
- for (axis = 0; axis < TABLE_N_AXES; axis++)
+ int *rules[TABLE_N_AXES];
+ for (enum table_axis axis = 0; axis < TABLE_N_AXES; axis++)
{
int n = table->n[axis] + 1;
- int z;
rules[axis] = xnmalloc (n, sizeof *rules);
- for (z = 0; z < n; z++)
+ for (int z = 0; z < n; z++)
rules[axis][z] = measure_rule (params, table, axis, z);
}
/* Calculate minimum and maximum widths of cells that do not
span multiple columns. */
- for (i = 0; i < 2; i++)
+ struct render_row *columns[2];
+ for (int i = 0; i < 2; i++)
columns[i] = xzalloc (nc * sizeof *columns[i]);
- for (y = 0; y < nr; y++)
- for (x = 0; x < nc; )
+ for (int y = 0; y < nr; y++)
+ for (int x = 0; x < nc;)
{
struct table_cell cell;
if (table_cell_colspan (&cell) == 1)
{
int w[2];
- int i;
-
- params->measure_cell_width (params->aux, &cell,
- &w[MIN], &w[MAX]);
- for (i = 0; i < 2; i++)
+ params->ops->measure_cell_width (params->aux, &cell,
+ &w[MIN], &w[MAX]);
+ for (int i = 0; i < 2; i++)
if (columns[i][x].unspanned < w[i])
columns[i][x].unspanned = w[i];
}
}
x = cell.d[H][1];
- table_cell_free (&cell);
}
/* Distribute widths of spanned columns. */
- for (i = 0; i < 2; i++)
- for (x = 0; x < nc; x++)
+ for (int i = 0; i < 2; i++)
+ for (int x = 0; x < nc; x++)
columns[i][x].width = columns[i][x].unspanned;
- for (y = 0; y < nr; y++)
- for (x = 0; x < nc; )
+ for (int y = 0; y < nr; y++)
+ for (int x = 0; x < nc;)
{
struct table_cell cell;
{
int w[2];
- params->measure_cell_width (params->aux, &cell, &w[MIN], &w[MAX]);
- for (i = 0; i < 2; i++)
+ params->ops->measure_cell_width (params->aux, &cell,
+ &w[MIN], &w[MAX]);
+ for (int i = 0; i < 2; i++)
distribute_spanned_width (w[i], &columns[i][cell.d[H][0]],
rules[H], table_cell_colspan (&cell));
}
x = cell.d[H][1];
- table_cell_free (&cell);
}
+ if (min_width > 0)
+ for (int i = 0; i < 2; i++)
+ distribute_spanned_width (min_width, &columns[i][0], rules[H], nc);
/* In pathological cases, spans can cause the minimum width of a column to
exceed the maximum width. This bollixes our interpolation algorithm
later, so fix it up. */
- for (i = 0; i < nc; i++)
+ for (int i = 0; i < nc; i++)
if (columns[MIN][i].width > columns[MAX][i].width)
columns[MAX][i].width = columns[MIN][i].width;
/* Decide final column widths. */
- for (i = 0; i < 2; i++)
+ int table_widths[2];
+ for (int i = 0; i < 2; i++)
table_widths[i] = calculate_table_width (table_nc (table),
columns[i], rules[H]);
+
+ struct render_page *page;
if (table_widths[MAX] <= params->size[H])
{
/* Fits even with maximum widths. Use them. */
}
/* Calculate heights of cells that do not span multiple rows. */
- rows = xzalloc (nr * sizeof *rows);
- for (y = 0; y < nr; y++)
- {
- for (x = 0; x < nc; )
- {
- struct render_row *r = &rows[y];
- struct table_cell cell;
+ struct render_row *rows = xzalloc (nr * sizeof *rows);
+ for (int y = 0; y < nr; y++)
+ for (int x = 0; x < nc;)
+ {
+ struct render_row *r = &rows[y];
+ struct table_cell cell;
- table_get_cell (table, x, y, &cell);
- if (y == cell.d[V][0])
- {
- if (table_cell_rowspan (&cell) == 1)
- {
- int w = joined_width (page, H, cell.d[H][0], cell.d[H][1]);
- int h = params->measure_cell_height (params->aux, &cell, w);
- if (h > r->unspanned)
- r->unspanned = r->width = h;
- }
- else
- set_join_crossings (page, V, &cell, rules[V]);
-
- if (table_cell_colspan (&cell) > 1)
- set_join_crossings (page, H, &cell, rules[H]);
- }
- x = cell.d[H][1];
- table_cell_free (&cell);
- }
- }
- for (i = 0; i < 2; i++)
+ render_get_cell (page, x, y, &cell);
+ if (y == cell.d[V][0])
+ {
+ if (table_cell_rowspan (&cell) == 1)
+ {
+ int w = joined_width (page, H, cell.d[H][0], cell.d[H][1]);
+ int h = params->ops->measure_cell_height (params->aux,
+ &cell, w);
+ if (h > r->unspanned)
+ r->unspanned = r->width = h;
+ }
+ else
+ set_join_crossings (page, V, &cell, rules[V]);
+
+ if (table_cell_colspan (&cell) > 1)
+ set_join_crossings (page, H, &cell, rules[H]);
+ }
+ x = cell.d[H][1];
+ }
+ for (int i = 0; i < 2; i++)
free (columns[i]);
/* Distribute heights of spanned rows. */
- for (y = 0; y < nr; y++)
- for (x = 0; x < nc; )
+ for (int y = 0; y < nr; y++)
+ for (int x = 0; x < nc;)
{
struct table_cell cell;
- table_get_cell (table, x, y, &cell);
+ render_get_cell (page, x, y, &cell);
if (y == cell.d[V][0] && table_cell_rowspan (&cell) > 1)
{
int w = joined_width (page, H, cell.d[H][0], cell.d[H][1]);
- int h = params->measure_cell_height (params->aux, &cell, w);
+ int h = params->ops->measure_cell_height (params->aux, &cell, w);
distribute_spanned_width (h, &rows[cell.d[V][0]], rules[V],
table_cell_rowspan (&cell));
}
x = cell.d[H][1];
- table_cell_free (&cell);
}
/* Decide final row heights. */
free (rows);
/* Measure headers. If they are "too big", get rid of them. */
- for (axis = 0; axis < TABLE_N_AXES; axis++)
+ for (enum table_axis axis = 0; axis < TABLE_N_AXES; axis++)
{
int hw = headers_width (page, axis);
if (hw * 2 >= page->params->size[axis]
|| hw + max_cell_width (page, axis) > page->params->size[axis])
{
- page->table = table_unshare (page->table);
- page->table->h[axis][0] = page->table->h[axis][1] = 0;
page->h[axis][0] = page->h[axis][1] = 0;
+ page->r[axis][0] = 0;
+ page->r[axis][1] = page->n[axis];
}
}
{
if (page != NULL && --page->ref_cnt == 0)
{
- int i;
struct render_overflow *overflow, *next;
-
HMAP_FOR_EACH_SAFE (overflow, next, struct render_overflow, node,
&page->overflows)
free (overflow);
table_unref (page->table);
- for (i = 0; i < TABLE_N_AXES; ++i)
+ for (int i = 0; i < TABLE_N_AXES; ++i)
{
free (page->join_crossing[i]);
free (page->cp[i]);
static int
render_page_get_best_breakpoint (const struct render_page *page, int height)
{
- int y;
-
/* If there's no room for at least the top row and the rules above and below
it, don't include any of the table. */
if (page->cp[V][3] > height)
return 0;
/* Otherwise include as many rows and rules as we can. */
- for (y = 5; y <= 2 * page->n[V] + 1; y += 2)
+ for (int y = 5; y <= 2 * page->n[V] + 1; y += 2)
if (page->cp[V][y] > height)
return page->cp[V][y - 2];
return height;
\f
/* Drawing render_pages. */
-static inline enum render_line_style
+/* This is like table_get_rule() except:
+
+ - D is in terms of the page's rows and column rather than the underlying
+ table's.
+
+ - The result is in the form of a render_line_style. */
+static enum render_line_style
get_rule (const struct render_page *page, enum table_axis axis,
- const int d[TABLE_N_AXES])
+ const int d_[TABLE_N_AXES], struct cell_color *color)
{
- return rule_to_render_type (table_get_rule (page->table,
- axis, d[H] / 2, d[V] / 2));
+ int d[TABLE_N_AXES] = { d_[0] / 2, d_[1] / 2 };
+ int d2 = -1;
+
+ enum table_axis a = axis;
+ if (d[a] < page->h[a][0])
+ /* Nothing to do */;
+ else if (d[a] <= page->n[a] - page->h[a][1])
+ {
+ if (page->h[a][0] && d[a] == page->h[a][0])
+ d2 = page->h[a][0];
+ else if (page->h[a][1] && d[a] == page->n[a] - page->h[a][1])
+ d2 = page->table->n[a] - page->h[a][1];
+ d[a] += page->r[a][0] - page->h[a][0];
+ }
+ else
+ d[a] += ((page->table->n[a] - page->table->h[a][1])
+ - (page->n[a] - page->h[a][1]));
+
+ enum table_axis b = !axis;
+ struct map m;
+ get_map (page, b, d[b], &m);
+ d[b] += m.t0 - m.p0;
+
+ int r = table_get_rule (page->table, axis, d[H], d[V], color);
+ if (d2 >= 0)
+ {
+ d[a] = d2;
+ int r2 = table_get_rule (page->table, axis, d[H], d[V], color);
+ r = table_stroke_combine (r, r2);
+ }
+ return rule_to_render_type (r);
}
static bool
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))
+ 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");
+ if (0 != strcmp ("output-direction-ltr", dir))
+ fprintf (stderr, "This localisation has been incorrectly translated. "
+ "Complain to the translator.\n");
return false;
}
const int d[TABLE_N_AXES])
{
enum render_line_style styles[TABLE_N_AXES][2];
- enum table_axis a;
+ struct cell_color colors[TABLE_N_AXES][2];
- for (a = 0; a < TABLE_N_AXES; a++)
+ for (enum table_axis a = 0; a < TABLE_N_AXES; a++)
{
enum table_axis b = !a;
e[H] = d[H];
e[V] = d[V];
e[b]--;
- styles[a][0] = get_rule (page, a, e);
+ styles[a][0] = get_rule (page, a, e, &colors[a][0]);
}
- if (d[b] / 2 < page->table->n[b])
- styles[a][1] = get_rule (page, a, d);
+ if (d[b] / 2 < page->n[b])
+ styles[a][1] = get_rule (page, a, d, &colors[a][1]);
}
else
- styles[a][0] = styles[a][1] = get_rule (page, a, d);
+ {
+ styles[a][0] = styles[a][1] = get_rule (page, a, d, &colors[a][0]);
+ colors[a][1] = colors[a][0];
+ }
}
if (styles[H][0] != RENDER_LINE_NONE || styles[H][1] != RENDER_LINE_NONE
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 ())
+ if (page->params->rtl)
{
int temp = bb[H][0];
bb[H][0] = render_page_get_size (page, H) - bb[H][1];
}
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);
+ page->params->ops->draw_line (page->params->aux, bb, styles, colors);
}
}
render_cell (const struct render_page *page, const int ofs[TABLE_N_AXES],
const struct table_cell *cell)
{
- const struct render_overflow *of;
int bb[TABLE_N_AXES][2];
int clip[TABLE_N_AXES][2];
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 ())
+ if (page->params->rtl)
{
int temp = bb[H][0];
bb[H][0] = clip[H][0] = render_page_get_size (page, H) - bb[H][1];
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];
- int valign = (cell->n_contents
- ? cell->contents->options & TAB_VALIGN
- : TAB_TOP);
- if (valign != TAB_TOP)
+ enum table_valign valign = cell->style->cell_style.valign;
+ int valign_offset = 0;
+ if (valign != TABLE_VALIGN_TOP)
{
- int height = page->params->measure_cell_height (
+ int height = page->params->ops->measure_cell_height (
page->params->aux, cell, bb[H][1] - bb[H][0]);
int extra = bb[V][1] - bb[V][0] - height;
if (extra > 0)
{
- if (valign == TAB_MIDDLE)
+ if (valign == TABLE_VALIGN_CENTER)
extra /= 2;
- bb[V][0] += extra;
+ valign_offset += extra;
}
}
- of = find_overflow (page, cell->d[H][0], cell->d[V][0]);
+ const struct render_overflow *of = find_overflow (
+ page, cell->d[H][0], cell->d[V][0]);
if (of)
- {
- enum table_axis axis;
+ for (enum table_axis axis = 0; axis < TABLE_N_AXES; axis++)
+ {
+ if (of->overflow[axis][0])
+ {
+ bb[axis][0] -= of->overflow[axis][0];
+ if (cell->d[axis][0] == 0 && !page->is_edge_cutoff[axis][0])
+ clip[axis][0] = ofs[axis] + page->cp[axis][cell->d[axis][0] * 2];
+ }
+ if (of->overflow[axis][1])
+ {
+ bb[axis][1] += of->overflow[axis][1];
+ if (cell->d[axis][1] == page->n[axis]
+ && !page->is_edge_cutoff[axis][1])
+ clip[axis][1] = ofs[axis] + page->cp[axis][cell->d[axis][1] * 2
+ + 1];
+ }
+ }
- for (axis = 0; axis < TABLE_N_AXES; axis++)
- {
- if (of->overflow[axis][0])
- {
- bb[axis][0] -= of->overflow[axis][0];
- if (cell->d[axis][0] == 0 && !page->is_edge_cutoff[axis][0])
- clip[axis][0] = ofs[axis] + page->cp[axis][cell->d[axis][0] * 2];
- }
- if (of->overflow[axis][1])
- {
- bb[axis][1] += of->overflow[axis][1];
- if (cell->d[axis][1] == page->n[axis] && !page->is_edge_cutoff[axis][1])
- clip[axis][1] = ofs[axis] + page->cp[axis][cell->d[axis][1] * 2 + 1];
- }
- }
+ int spill[TABLE_N_AXES][2];
+ for (enum table_axis axis = 0; axis < TABLE_N_AXES; axis++)
+ {
+ spill[axis][0] = rule_width (page, axis, cell->d[axis][0]) / 2;
+ spill[axis][1] = rule_width (page, axis, cell->d[axis][1]) / 2;
}
- page->params->draw_cell (page->params->aux, cell, bb, clip);
+ int color_idx = (cell->d[V][0] < page->h[V][0]
+ || page->n[V] - (cell->d[V][0] + 1) < page->h[V][1]
+ ? 0
+ : (cell->d[V][0] - page->h[V][0]) & 1);
+ page->params->ops->draw_cell (page->params->aux, cell, color_idx,
+ bb, valign_offset, spill, clip);
}
/* Draws the cells of PAGE indicated in BB. */
render_page_draw_cells (const struct render_page *page,
int ofs[TABLE_N_AXES], int bb[TABLE_N_AXES][2])
{
- int x, y;
+ for (int y = bb[V][0]; y < bb[V][1]; y++)
+ for (int x = bb[H][0]; x < bb[H][1];)
+ if (!is_rule (x) && !is_rule (y))
+ {
+ struct table_cell cell;
+
+ render_get_cell (page, x / 2, y / 2, &cell);
+ if (y / 2 == bb[V][0] / 2 || y / 2 == cell.d[V][0])
+ render_cell (page, ofs, &cell);
+ x = rule_ofs (cell.d[H][1]);
+ }
+ else
+ x++;
- for (y = bb[V][0]; y < bb[V][1]; y++)
- for (x = bb[H][0]; x < bb[H][1]; )
+ for (int y = bb[V][0]; y < bb[V][1]; y++)
+ for (int x = bb[H][0]; x < bb[H][1]; x++)
if (is_rule (x) || is_rule (y))
{
int d[TABLE_N_AXES];
d[H] = x;
d[V] = y;
render_rule (page, ofs, d);
- x++;
- }
- else
- {
- struct table_cell cell;
-
- table_get_cell (page->table, x / 2, y / 2, &cell);
- if (y / 2 == bb[V][0] / 2 || y / 2 == cell.d[V][0])
- render_cell (page, ofs, &cell);
- x = rule_ofs (cell.d[H][1]);
- table_cell_free (&cell);
}
}
static int
get_clip_min_extent (int x0, const int cp[], int n)
{
- int low, high, best;
-
- low = 0;
- high = n;
- best = 0;
+ int low = 0;
+ int high = n;
+ int best = 0;
while (low < high)
{
int middle = low + (high - low) / 2;
static int
get_clip_max_extent (int x1, const int cp[], int n)
{
- int low, high, best;
-
- low = 0;
- high = n;
- best = n;
+ int low = 0;
+ int high = n;
+ int best = n;
while (low < high)
{
int middle = low + (high - low) / 2;
const struct render_page *page = b->page;
enum table_axis axis = b->axis;
struct render_page *subpage;
- int z, pixel;
if (!render_break_has_next (b))
return NULL;
- pixel = 0;
+ int pixel = 0;
+ int z;
for (z = b->z; z < page->n[axis] - page->h[axis][1]; z++)
{
int needed = needed_size (b, z + 1);
being broken have a better internal breakpoint than the exact
number of pixels available, which might look bad e.g. because
it breaks in the middle of a line of text. */
- if (axis == TABLE_VERT && page->params->adjust_break)
- {
- int x;
-
- for (x = 0; x < page->n[H]; )
- {
- struct table_cell cell;
- int better_pixel;
- int w;
-
- table_get_cell (page->table, x, z, &cell);
- w = joined_width (page, H, cell.d[H][0], cell.d[H][1]);
- better_pixel = page->params->adjust_break (
- page->params->aux, &cell, w, pixel);
- x = cell.d[H][1];
- table_cell_free (&cell);
-
- if (better_pixel < pixel)
- {
- if (better_pixel > (z == b->z ? b->pixel : 0))
- {
- pixel = better_pixel;
- break;
- }
- else if (better_pixel == 0 && z != b->z)
- {
- pixel = 0;
- break;
- }
- }
- }
- }
+ if (axis == TABLE_VERT && page->params->ops->adjust_break)
+ for (int x = 0; x < page->n[H];)
+ {
+ struct table_cell cell;
+
+ render_get_cell (page, x, z, &cell);
+ int w = joined_width (page, H, cell.d[H][0], cell.d[H][1]);
+ int better_pixel = page->params->ops->adjust_break (
+ page->params->aux, &cell, w, pixel);
+ x = cell.d[H][1];
+
+ if (better_pixel < pixel)
+ {
+ if (better_pixel > (z == b->z ? b->pixel : 0))
+ {
+ pixel = better_pixel;
+ break;
+ }
+ else if (better_pixel == 0 && z != b->z)
+ {
+ pixel = 0;
+ break;
+ }
+ }
+ }
}
break;
}
{
const struct render_page *page = b->page;
enum table_axis axis = b->axis;
- int size;
/* Width of left header not including its rightmost rule. */
- size = axis_width (page, axis, 0, rule_ofs (page->h[axis][0]));
+ int size = axis_width (page, axis, 0, rule_ofs (page->h[axis][0]));
/* If we have a pixel offset and there is no left header, then we omit the
leftmost rule of the body. Otherwise the rendering is deceptive because
};
static const struct render_page *
-render_pager_add_table (struct render_pager *p, struct table *table)
+render_pager_add_table (struct render_pager *p, struct table *table,
+ int min_width)
{
- struct render_page *page;
-
if (p->n_pages >= p->allocated_pages)
p->pages = x2nrealloc (p->pages, &p->allocated_pages, sizeof *p->pages);
- page = p->pages[p->n_pages++] = render_page_create (p->params, table);
+
+ struct render_page *page = render_page_create (p->params, table, min_width);
+ p->pages[p->n_pages++] = page;
return page;
}
if (!n_footnotes)
return;
- struct tab_table *t = tab_create (2, n_footnotes);
+ struct table *t = table_create (1, n_footnotes, 0, 0, 0, 0);
for (size_t i = 0; i < n_footnotes; i++)
- if (f[i])
- {
- tab_text_format (t, 0, i, TAB_LEFT, "%s.", f[i]->marker);
- tab_text (t, 1, i, TAB_LEFT, f[i]->content);
- }
- render_pager_add_table (p, &t->table);
+ {
+ table_text_format (t, 0, i, 0, "%s. %s", f[i]->marker, f[i]->content);
+ table_add_style (t, 0, i, f[i]->style);
+ }
+ render_pager_add_table (p, t, 0);
free (f);
}
static void
-add_text_page (struct render_pager *p, const struct table_item_text *t)
+add_text_page (struct render_pager *p, const struct table_item_text *t,
+ int min_width)
{
if (!t)
return;
- struct tab_table *tab = tab_create (1, 1);
- tab_text (tab, 0, 0, TAB_LEFT, t->content);
+ struct table *tab = table_create (1, 1, 0, 0, 0, 0);
+ table_text (tab, 0, 0, 0, t->content);
for (size_t i = 0; i < t->n_footnotes; i++)
- tab_add_footnote (tab, 0, 0, t->footnotes[i]);
- render_pager_add_table (p, &tab->table);
+ table_add_footnote (tab, 0, 0, t->footnotes[i]);
+ if (t->style)
+ tab->styles[0] = table_area_style_clone (tab->container, t->style);
+ render_pager_add_table (p, tab, min_width);
+}
+
+static void
+add_layers_page (struct render_pager *p,
+ const struct table_item_layers *layers, int min_width)
+{
+ if (!layers)
+ return;
+
+ struct table *tab = table_create (1, layers->n_layers, 0, 0, 0, 0);
+ for (size_t i = 0; i < layers->n_layers; i++)
+ {
+ const struct table_item_layer *layer = &layers->layers[i];
+ table_text (tab, 0, i, 0, layer->content);
+ for (size_t j = 0; j < layer->n_footnotes; j++)
+ table_add_footnote (tab, 0, i, layer->footnotes[j]);
+ }
+ if (layers->style)
+ tab->styles[0] = table_area_style_clone (tab->container, layers->style);
+ render_pager_add_table (p, tab, min_width);
}
/* Creates and returns a new render_pager for rendering TABLE_ITEM on the
render_pager_create (const struct render_params *params,
const struct table_item *table_item)
{
- struct render_pager *p;
+ const struct table *table = table_item_get_table (table_item);
- p = xzalloc (sizeof *p);
+ struct render_pager *p = xzalloc (sizeof *p);
p->params = params;
+ struct render_page *page = render_page_create (params, table_ref (table), 0);
+ struct render_break b;
+ render_break_init (&b, page, H);
+ struct render_page *subpage = render_break_next (&b, p->params->size[H]);
+ int title_width = subpage ? subpage->cp[H][2 * subpage->n[H] + 1] : 0;
+ render_page_unref (subpage);
+ render_break_destroy (&b);
+
/* Title. */
- add_text_page (p, table_item_get_title (table_item));
+ add_text_page (p, table_item_get_title (table_item), title_width);
+
+ /* Layers. */
+ add_layers_page (p, table_item_get_layers (table_item), title_width);
/* Body. */
- render_pager_add_table (p, table_ref (table_item_get_table (table_item)));
+ render_pager_add_table (p, table_ref (table_item_get_table (table_item)), 0);
/* Caption. */
- add_text_page (p, table_item_get_caption (table_item));
+ add_text_page (p, table_item_get_caption (table_item), 0);
/* Footnotes. */
add_footnote_page (p, table_item);
{
if (p)
{
- size_t i;
-
render_break_destroy (&p->x_break);
render_break_destroy (&p->y_break);
- for (i = 0; i < p->n_pages; i++)
+ for (size_t i = 0; i < p->n_pages; i++)
render_page_unref (p->pages[i]);
free (p->pages);
free (p);
render_pager_start_page (p);
}
else
- render_break_init (&p->y_break,
- render_break_next (&p->x_break, p->params->size[H]), V);
+ render_break_init (
+ &p->y_break, render_break_next (&p->x_break, p->params->size[H]), V);
}
return true;
}
while (render_pager_has_next (p))
{
- struct render_page *page;
-
if (start_page == p->cur_page)
break;
start_page = p->cur_page;
- page = render_break_next (&p->y_break, space - ofs[V]);
+ struct render_page *page
+ = render_break_next (&p->y_break, space - ofs[V]);
if (!page)
break;
{
int ofs[TABLE_N_AXES] = { 0, 0 };
int clip[TABLE_N_AXES][2];
- size_t i;
clip[H][0] = x;
clip[H][1] = x + w;
- for (i = 0; i < p->n_pages; i++)
+ for (size_t i = 0; i < p->n_pages; i++)
{
const struct render_page *page = p->pages[i];
int size = render_page_get_size (page, V);
render_pager_get_size (const struct render_pager *p, enum table_axis axis)
{
int size = 0;
- size_t i;
- for (i = 0; i < p->n_pages; i++)
+ for (size_t i = 0; i < p->n_pages; i++)
{
int subsize = render_page_get_size (p->pages[i], axis);
size = axis == H ? MAX (size, subsize) : size + subsize;
render_page_select (const struct render_page *page, enum table_axis axis,
int z0, int p0, int z1, int p1)
{
- struct render_page_selection s;
enum table_axis a = axis;
enum table_axis b = !a;
- struct render_page *subpage;
- struct render_overflow *ro;
- int *dcp, *scp;
- int *jc;
- int z;
-
/* Optimize case where all of PAGE is selected by just incrementing the
reference count. */
}
/* Allocate subpage. */
- subpage = render_page_allocate (page->params,
- table_select_slice (
- table_ref (page->table),
- a, z0, z1, true));
+ int trim[2] = { z0 - page->h[a][0], (page->n[a] - page->h[a][1]) - z1 };
+ int n[TABLE_N_AXES] = { [H] = page->n[H], [V] = page->n[V] };
+ n[a] -= trim[0] + trim[1];
+ struct render_page *subpage = render_page_allocate__ (
+ page->params, table_ref (page->table), n);
+ for (enum table_axis k = 0; k < TABLE_N_AXES; k++)
+ {
+ subpage->h[k][0] = page->h[k][0];
+ subpage->h[k][1] = page->h[k][1];
+ subpage->r[k][0] = page->r[k][0];
+ subpage->r[k][1] = page->r[k][1];
+ }
+ subpage->r[a][0] += trim[0];
+ subpage->r[a][1] -= trim[1];
/* An edge is cut off if it was cut off in PAGE or if we're trimming pixels
off that side of the page and there are no headers. */
subpage->is_edge_cutoff[b][1] = page->is_edge_cutoff[b][1];
/* Select join crossings from PAGE into subpage. */
- jc = subpage->join_crossing[a];
- for (z = 0; z < page->h[a][0]; z++)
+ int *jc = subpage->join_crossing[a];
+ for (int z = 0; z < page->h[a][0]; z++)
*jc++ = page->join_crossing[a][z];
- for (z = z0; z <= z1; z++)
+ for (int z = z0; z <= z1; z++)
*jc++ = page->join_crossing[a][z];
- for (z = page->n[a] - page->h[a][1]; z < page->n[a]; z++)
+ for (int z = page->n[a] - page->h[a][1]; z < page->n[a]; z++)
*jc++ = page->join_crossing[a][z];
assert (jc == &subpage->join_crossing[a][subpage->n[a] + 1]);
(subpage->n[b] + 1) * sizeof **subpage->join_crossing);
/* Select widths from PAGE into subpage. */
- scp = page->cp[a];
- dcp = subpage->cp[a];
+ int *scp = page->cp[a];
+ int *dcp = subpage->cp[a];
*dcp = 0;
- for (z = 0; z <= rule_ofs (subpage->h[a][0]); z++, dcp++)
+ for (int z = 0; z <= rule_ofs (subpage->h[a][0]); z++, dcp++)
{
- if (z == 0 && subpage->is_edge_cutoff[a][0])
- dcp[1] = dcp[0];
- else
- dcp[1] = dcp[0] + (scp[z + 1] - scp[z]);
+ int w = !z && subpage->is_edge_cutoff[a][0] ? 0 : scp[z + 1] - scp[z];
+ dcp[1] = dcp[0] + w;
}
- for (z = cell_ofs (z0); z <= cell_ofs (z1 - 1); z++, dcp++)
+ for (int z = cell_ofs (z0); z <= cell_ofs (z1 - 1); z++, dcp++)
{
dcp[1] = dcp[0] + (scp[z + 1] - scp[z]);
if (z == cell_ofs (z0))
if (z == cell_ofs (z1 - 1))
dcp[1] -= p1;
}
- for (z = rule_ofs_r (page, a, subpage->h[a][1]);
+ for (int z = rule_ofs_r (page, a, subpage->h[a][1]);
z <= rule_ofs_r (page, a, 0); z++, dcp++)
{
if (z == rule_ofs_r (page, a, 0) && subpage->is_edge_cutoff[a][1])
}
assert (dcp == &subpage->cp[a][2 * subpage->n[a] + 1]);
- for (z = 0; z < page->n[b] * 2 + 2; z++)
+ for (int z = 0; z < page->n[b] * 2 + 2; z++)
subpage->cp[b][z] = page->cp[b][z];
/* Add new overflows. */
- s.page = page;
- s.a = a;
- s.b = b;
- s.z0 = z0;
- s.z1 = z1;
- s.p0 = p0;
- s.p1 = p1;
- s.subpage = subpage;
+ struct render_page_selection s = {
+ .page = page,
+ .a = a,
+ .b = b,
+ .z0 = z0,
+ .z1 = z1,
+ .p0 = p0,
+ .p1 = p1,
+ .subpage = subpage,
+ };
if (!page->h[a][0] || z0 > page->h[a][0] || p0)
- for (z = 0; z < page->n[b]; )
+ for (int z = 0; z < page->n[b];)
{
- struct table_cell cell;
int d[TABLE_N_AXES];
- bool overflow0;
- bool overflow1;
-
d[a] = z0;
d[b] = z;
- table_get_cell (page->table, d[H], d[V], &cell);
- overflow0 = p0 || cell.d[a][0] < z0;
- overflow1 = cell.d[a][1] > z1 || (cell.d[a][1] == z1 && p1);
+ struct table_cell cell;
+ render_get_cell (page, d[H], d[V], &cell);
+ bool overflow0 = p0 || cell.d[a][0] < z0;
+ bool overflow1 = cell.d[a][1] > z1 || (cell.d[a][1] == z1 && p1);
if (overflow0 || overflow1)
{
- ro = insert_overflow (&s, &cell);
+ struct render_overflow *ro = insert_overflow (&s, &cell);
if (overflow0)
{
}
}
z = cell.d[b][1];
- table_cell_free (&cell);
}
if (!page->h[a][1] || z1 < page->n[a] - page->h[a][1] || p1)
- for (z = 0; z < page->n[b]; )
+ for (int z = 0; z < page->n[b];)
{
- struct table_cell cell;
int d[TABLE_N_AXES];
-
d[a] = z1 - 1;
d[b] = z;
- table_get_cell (page->table, d[H], d[V], &cell);
+
+ struct table_cell cell;
+ render_get_cell (page, d[H], d[V], &cell);
if ((cell.d[a][1] > z1 || (cell.d[a][1] == z1 && p1))
&& find_overflow_for_cell (&s, &cell) == NULL)
{
- ro = insert_overflow (&s, &cell);
+ struct render_overflow *ro = insert_overflow (&s, &cell);
ro->overflow[a][1] += p1 + axis_width (page, a, cell_ofs (z1),
cell_ofs (cell.d[a][1]));
}
z = cell.d[b][1];
- table_cell_free (&cell);
}
/* Copy overflows from PAGE into subpage. */
+ struct render_overflow *ro;
HMAP_FOR_EACH (ro, struct render_overflow, node, &page->overflows)
{
struct table_cell cell;
if (cell.d[a][1] > z0 && cell.d[a][0] < z1
&& find_overflow_for_cell (&s, &cell) == NULL)
insert_overflow (&s, &cell);
- table_cell_free (&cell);
}
return subpage;
insert_overflow (struct render_page_selection *s,
const struct table_cell *cell)
{
- const struct render_overflow *old;
- struct render_overflow *of;
-
- of = xzalloc (sizeof *of);
+ struct render_overflow *of = xzalloc (sizeof *of);
cell_to_subpage (s, cell, of->d);
hmap_insert (&s->subpage->overflows, &of->node,
hash_cell (of->d[H], of->d[V]));
- old = find_overflow (s->page, cell->d[H][0], cell->d[V][0]);
+ const struct render_overflow *old
+ = find_overflow (s->page, cell->d[H][0], cell->d[V][0]);
if (old != NULL)
memcpy (of->overflow, old->overflow, sizeof of->overflow);