#include "output/group-item.h"
#include "output/message-item.h"
#include "output/options.h"
+#include "output/page-setup-item.h"
#include "output/render.h"
#include "output/tab.h"
#include "output/table-item.h"
int line_width; /* Width of lines. */
int min_break[TABLE_N_AXES]; /* Min cell size to break across pages. */
+ int object_spacing; /* Space between output objects. */
struct xr_color bg; /* Background color */
struct xr_color fg; /* Foreground color */
+ int initial_page_number;
+
+ struct page_heading headings[2]; /* Top and bottom headings. */
+ int headings_height[2];
+
/* Internal state. */
struct render_params *params;
int char_width, char_height;
char *title;
char *subtitle;
cairo_t *cairo;
+ cairo_surface_t *surface;
int page_number; /* Current page number. */
int x, y;
struct xr_render_fsm *fsm;
int nest;
+ struct string_map heading_vars;
};
static const struct output_driver_class cairo_driver_class;
xr->fonts[XR_FONT_EMPHASIS].desc = parse_font_option (
d, o, "emph-font", "sans serif", font_size, false, true);
- xr->page_number = 0;
-
parse_color (d, o, "background-color", "#FFFFFFFFFFFF", &xr->bg);
parse_color (d, o, "foreground-color", "#000000000000", &xr->fg);
min_break[H] = parse_dimension (opt (d, o, "min-hbreak", NULL)) * scale;
min_break[V] = parse_dimension (opt (d, o, "min-vbreak", NULL)) * scale;
+ int object_spacing = (parse_dimension (opt (d, o, "object-spacing", NULL))
+ * scale);
+
/* Convert to inch/(XR_POINT * 72). */
xr->left_margin = left_margin * scale;
xr->right_margin = right_margin * scale;
xr->length = (paper_length - top_margin - bottom_margin) * scale;
xr->min_break[H] = min_break[H] >= 0 ? min_break[H] : xr->width / 2;
xr->min_break[V] = min_break[V] >= 0 ? min_break[V] : xr->length / 2;
+ xr->object_spacing = object_spacing >= 0 ? object_spacing : XR_POINT * 12;
+
+ /* There are no headings so headings_height can stay 0. */
}
static struct xr_driver *
output_driver_init (d, &cairo_driver_class, name, device_type);
+ string_map_init (&xr->heading_vars);
+
apply_options (xr, o);
return xr;
: xr);
}
+static void
+xr_measure_fonts (cairo_t *cairo, const struct xr_font fonts[XR_N_FONTS],
+ int *char_width, int *char_height)
+{
+ *char_width = 0;
+ *char_height = 0;
+ for (int i = 0; i < XR_N_FONTS; i++)
+ {
+ PangoLayout *layout = pango_cairo_create_layout (cairo);
+ pango_layout_set_font_description (layout, fonts[i].desc);
+
+ pango_layout_set_text (layout, "0", 1);
+
+ int cw, ch;
+ pango_layout_get_size (layout, &cw, &ch);
+ *char_width = MAX (*char_width, pango_to_xr (cw));
+ *char_height = MAX (*char_height, pango_to_xr (ch));
+
+ g_object_unref (G_OBJECT (layout));
+ }
+}
+
+static int
+xr_render_page_heading (cairo_t *cairo, const PangoFontDescription *font,
+ const struct page_heading *ph, int page_number,
+ int width, bool draw, int base_y)
+{
+ PangoLayout *layout = pango_cairo_create_layout (cairo);
+ pango_layout_set_font_description (layout, font);
+
+ int y = 0;
+ for (size_t i = 0; i < ph->n; i++)
+ {
+ const struct page_paragraph *pp = &ph->paragraphs[i];
+
+ char *markup = output_driver_substitute_heading_vars (pp->markup,
+ page_number);
+ pango_layout_set_markup (layout, markup, -1);
+ free (markup);
+
+ pango_layout_set_alignment (layout,
+ (pp->halign == TAB_RIGHT ? PANGO_ALIGN_RIGHT
+ : pp->halign == TAB_LEFT ? PANGO_ALIGN_LEFT
+ : PANGO_ALIGN_CENTER));
+ pango_layout_set_width (layout, xr_to_pango (width));
+ if (draw)
+ {
+ cairo_save (cairo);
+ cairo_translate (cairo, 0, xr_to_pt (y + base_y));
+ pango_cairo_show_layout (cairo, layout);
+ cairo_restore (cairo);
+ }
+
+ int w, h;
+ pango_layout_get_size (layout, &w, &h);
+ y += pango_to_xr (h);
+ }
+
+ g_object_unref (G_OBJECT (layout));
+
+ return y;
+}
+
+static int
+xr_measure_headings (cairo_surface_t *surface,
+ const PangoFontDescription *font,
+ const struct page_heading headings[2],
+ int width, int object_spacing, int height[2])
+{
+ cairo_t *cairo = cairo_create (surface);
+ int total = 0;
+ for (int i = 0; i < 2; i++)
+ {
+ int h = xr_render_page_heading (cairo, font, &headings[i], -1,
+ width, false, 0);
+
+ /* If the top heading is nonempty, add some space below it. */
+ if (h && i == 0)
+ h += object_spacing;
+
+ if (height)
+ height[i] = h;
+ total += h;
+ }
+ cairo_destroy (cairo);
+ return total;
+}
+
static bool
-xr_set_cairo (struct xr_driver *xr, cairo_t *cairo)
+xr_check_fonts (cairo_surface_t *surface,
+ const struct xr_font fonts[XR_N_FONTS],
+ int usable_width, int usable_length)
{
- int i;
+ cairo_t *cairo = cairo_create (surface);
+ int char_width, char_height;
+ xr_measure_fonts (cairo, fonts, &char_width, &char_height);
+ cairo_destroy (cairo);
+ bool ok = true;
+ enum { MIN_WIDTH = 3, MIN_LENGTH = 3 };
+ if (usable_width / char_width < MIN_WIDTH)
+ {
+ msg (ME, _("The defined page is not wide enough to hold at least %d "
+ "characters in the default font. In fact, there's only "
+ "room for %d characters."),
+ MIN_WIDTH, usable_width / char_width);
+ ok = false;
+ }
+ if (usable_length / char_height < MIN_LENGTH)
+ {
+ msg (ME, _("The defined page is not long enough to hold at least %d "
+ "lines in the default font. In fact, there's only "
+ "room for %d lines."),
+ MIN_LENGTH, usable_length / char_height);
+ ok = false;
+ }
+ return ok;
+}
+
+static void
+xr_set_cairo (struct xr_driver *xr, cairo_t *cairo)
+{
xr->cairo = cairo;
cairo_set_line_width (xr->cairo, xr_to_pt (XR_LINE_WIDTH));
- xr->char_width = 0;
- xr->char_height = 0;
- for (i = 0; i < XR_N_FONTS; i++)
+ xr_measure_fonts (xr->cairo, xr->fonts, &xr->char_width, &xr->char_height);
+
+ for (int i = 0; i < XR_N_FONTS; i++)
{
struct xr_font *font = &xr->fonts[i];
- int char_width, char_height;
-
font->layout = pango_cairo_create_layout (cairo);
pango_layout_set_font_description (font->layout, font->desc);
-
- pango_layout_set_text (font->layout, "0", 1);
- pango_layout_get_size (font->layout, &char_width, &char_height);
- xr->char_width = MAX (xr->char_width, pango_to_xr (char_width));
- xr->char_height = MAX (xr->char_height, pango_to_xr (char_height));
}
if (xr->params == NULL)
int lw = XR_LINE_WIDTH;
int ls = XR_LINE_SPACE;
- for (i = 0; i < TABLE_N_AXES; i++)
+ for (int i = 0; i < TABLE_N_AXES; i++)
{
xr->params->line_widths[i][RENDER_LINE_NONE] = 0;
xr->params->line_widths[i][RENDER_LINE_SINGLE] = lw;
xr->params->line_widths[i][RENDER_LINE_DOUBLE] = 2 * lw + ls;
}
- for (i = 0; i < TABLE_N_AXES; i++)
+ for (int i = 0; i < TABLE_N_AXES; i++)
xr->params->min_break[i] = xr->min_break[i];
xr->params->supports_margins = true;
xr->params->rtl = render_direction_rtl ();
}
cairo_set_source_rgb (xr->cairo, xr->fg.red, xr->fg.green, xr->fg.blue);
-
- return true;
}
static struct output_driver *
xr_create (const char *file_name, enum settings_output_devices device_type,
struct string_map *o, enum xr_output_type file_type)
{
- enum { MIN_WIDTH = 3, MIN_LENGTH = 3 };
struct xr_driver *xr;
- cairo_surface_t *surface;
cairo_status_t status;
double width_pt, length_pt;
width_pt = xr_to_pt (xr->width + xr->left_margin + xr->right_margin);
length_pt = xr_to_pt (xr->length + xr->top_margin + xr->bottom_margin);
if (file_type == XR_PDF)
- surface = cairo_pdf_surface_create (file_name, width_pt, length_pt);
+ xr->surface = cairo_pdf_surface_create (file_name, width_pt, length_pt);
else if (file_type == XR_PS)
- surface = cairo_ps_surface_create (file_name, width_pt, length_pt);
+ xr->surface = cairo_ps_surface_create (file_name, width_pt, length_pt);
else if (file_type == XR_SVG)
- surface = cairo_svg_surface_create (file_name, width_pt, length_pt);
+ xr->surface = cairo_svg_surface_create (file_name, width_pt, length_pt);
else
NOT_REACHED ();
- status = cairo_surface_status (surface);
+ status = cairo_surface_status (xr->surface);
if (status != CAIRO_STATUS_SUCCESS)
{
msg (ME, _("error opening output file `%s': %s"),
file_name, cairo_status_to_string (status));
- cairo_surface_destroy (surface);
goto error;
}
- xr->cairo = cairo_create (surface);
- cairo_surface_destroy (surface);
-
- if (!xr_set_cairo (xr, xr->cairo))
+ if (!xr_check_fonts (xr->surface, xr->fonts, xr->width, xr->length))
goto error;
- cairo_save (xr->cairo);
- xr_driver_next_page (xr, xr->cairo);
-
- if (xr->width / xr->char_width < MIN_WIDTH)
- {
- msg (ME, _("The defined page is not wide enough to hold at least %d "
- "characters in the default font. In fact, there's only "
- "room for %d characters."),
- MIN_WIDTH,
- xr->width / xr->char_width);
- goto error;
- }
-
- if (xr->length / xr->char_height < MIN_LENGTH)
- {
- msg (ME, _("The defined page is not long enough to hold at least %d "
- "lines in the default font. In fact, there's only "
- "room for %d lines."),
- MIN_LENGTH,
- xr->length / xr->char_height);
- goto error;
- }
-
return &xr->driver;
error:
if (xr->cairo != NULL)
{
- cairo_status_t status;
-
- cairo_surface_finish (cairo_get_target (xr->cairo));
- status = cairo_status (xr->cairo);
+ cairo_surface_finish (xr->surface);
+ cairo_status_t status = cairo_status (xr->cairo);
if (status != CAIRO_STATUS_SUCCESS)
msg (ME, _("error drawing output for %s driver: %s"),
output_driver_get_name (driver),
cairo_status_to_string (status));
+ cairo_surface_destroy (xr->surface);
+
cairo_destroy (xr->cairo);
}
cairo_surface_flush (cairo_get_target (xr->cairo));
}
+static void
+xr_update_page_setup (struct output_driver *driver,
+ const struct page_setup *ps)
+{
+ struct xr_driver *xr = xr_driver_cast (driver);
+
+ xr->initial_page_number = ps->initial_page_number;
+ xr->object_spacing = ps->object_spacing * 72 * XR_POINT;
+
+ if (xr->cairo)
+ return;
+
+ int usable[TABLE_N_AXES];
+ for (int i = 0; i < 2; i++)
+ usable[i] = (ps->paper[i]
+ - (ps->margins[i][0] + ps->margins[i][1])) * 72 * XR_POINT;
+
+ int headings_height[2];
+ usable[V] -= xr_measure_headings (
+ xr->surface, xr->fonts[XR_FONT_PROPORTIONAL].desc, ps->headings,
+ usable[H], xr->object_spacing, headings_height);
+
+ enum table_axis h = ps->orientation == PAGE_LANDSCAPE;
+ enum table_axis v = !h;
+ if (!xr_check_fonts (xr->surface, xr->fonts, usable[h], usable[v]))
+ return;
+
+ for (int i = 0; i < 2; i++)
+ {
+ page_heading_uninit (&xr->headings[i]);
+ page_heading_copy (&xr->headings[i], &ps->headings[i]);
+ xr->headings_height[i] = headings_height[i];
+ }
+ xr->width = usable[h];
+ xr->length = usable[v];
+ xr->left_margin = ps->margins[h][0] * 72 * XR_POINT;
+ xr->right_margin = ps->margins[h][1] * 72 * XR_POINT;
+ xr->top_margin = ps->margins[v][0] * 72 * XR_POINT;
+ xr->bottom_margin = ps->margins[v][1] * 72 * XR_POINT;
+ cairo_pdf_surface_set_size (xr->surface,
+ ps->paper[h] * 72.0, ps->paper[v] * 72.0);
+}
+
static void
xr_submit (struct output_driver *driver, const struct output_item *output_item)
{
struct xr_driver *xr = xr_driver_cast (driver);
+ if (is_page_setup_item (output_item))
+ {
+ xr_update_page_setup (driver,
+ to_page_setup_item (output_item)->page_setup);
+ return;
+ }
+
+ if (!xr->cairo)
+ {
+ xr->page_number = xr->initial_page_number - 1;
+ xr_set_cairo (xr, cairo_create (xr->surface));
+ cairo_save (xr->cairo);
+ xr_driver_next_page (xr, xr->cairo);
+ }
+
xr_driver_output_item (xr, output_item);
while (xr_driver_need_new_page (xr))
{
cairo_translate (cairo,
xr_to_pt (xr->left_margin),
- xr_to_pt (xr->top_margin));
+ xr_to_pt (xr->top_margin + xr->headings_height[0]));
xr->page_number++;
xr->cairo = cairo;
xr->x = xr->y = 0;
+
+ xr_render_page_heading (xr->cairo, xr->fonts[XR_FONT_PROPORTIONAL].desc,
+ &xr->headings[0], xr->page_number, xr->width, true,
+ -xr->headings_height[0]);
+ xr_render_page_heading (xr->cairo, xr->fonts[XR_FONT_PROPORTIONAL].desc,
+ &xr->headings[1], xr->page_number, xr->width, true,
+ xr->length);
+
xr_driver_run_fsm (xr);
}
pango_attr_list_insert (list, attr);
}
+static void
+markup_escape (const char *in, struct string *out)
+{
+ for (int c = *in++; c; c = *in++)
+ switch (c)
+ {
+ case '&':
+ ds_put_cstr (out, "&");
+ break;
+ case '<':
+ ds_put_cstr (out, "<");
+ break;
+ case '>':
+ ds_put_cstr (out, ">");
+ break;
+ default:
+ ds_put_byte (out, c);
+ break;
+ }
+}
+
static int
-xr_layout_cell_text (struct xr_driver *xr,
- const struct cell_contents *contents,
- const struct cell_style *style,
+xr_layout_cell_text (struct xr_driver *xr, const struct table_cell *cell,
int bb[TABLE_N_AXES][2], int clip[TABLE_N_AXES][2],
int *widthp, int *brk)
{
- unsigned int options = contents->options;
+ const struct cell_style *style = cell->style;
+ unsigned int options = cell->options;
int w, h;
struct xr_font *font = (options & TAB_FIX ? &xr->fonts[XR_FONT_FIXED]
: options & TAB_EMPH ? &xr->fonts[XR_FONT_EMPHASIS]
: &xr->fonts[XR_FONT_PROPORTIONAL]);
struct xr_font local_font;
- if (style->font)
+ if (cell->style->font)
{
PangoFontDescription *desc = parse_font (
style->font,
}
int footnote_adjustment;
- if (contents->n_footnotes == 0)
+ if (cell->n_footnotes == 0)
footnote_adjustment = 0;
- else if (contents->n_footnotes == 1 && (options & TAB_HALIGN) == TAB_RIGHT)
+ else if (cell->n_footnotes == 1 && (options & TAB_HALIGN) == TAB_RIGHT)
{
PangoAttrList *attrs;
- const char *marker = contents->footnotes[0]->marker;
+ const char *marker = cell->footnotes[0]->marker;
pango_layout_set_text (font->layout, marker, strlen (marker));
attrs = pango_attr_list_new ();
footnote_adjustment = px_to_xr (style->margin[H][1]);
struct string tmp = DS_EMPTY_INITIALIZER;
- const char *text = contents->text;
+ const char *text = cell->text;
/* Deal with an oddity of the Unicode line-breaking algorithm (or perhaps in
Pango's implementation of it): it will break after a period or a comma
}
size_t initial_length = ds_length (&tmp);
- cell_contents_format_footnote_markers (contents, &tmp);
- pango_layout_set_text (font->layout, ds_cstr (&tmp), ds_length (&tmp));
+ for (size_t i = 0; i < cell->n_footnotes; i++)
+ {
+ if (i)
+ ds_put_byte (&tmp, ',');
+
+ const char *marker = cell->footnotes[i]->marker;
+ if (options & TAB_MARKUP)
+ markup_escape (marker, &tmp);
+ else
+ ds_put_cstr (&tmp, marker);
+ }
+
+ if (options & TAB_MARKUP)
+ pango_layout_set_markup (font->layout,
+ ds_cstr (&tmp), ds_length (&tmp));
+ else
+ pango_layout_set_text (font->layout, ds_cstr (&tmp), ds_length (&tmp));
PangoAttrList *attrs = pango_attr_list_new ();
if (style->underline)
else
{
const char *content = ds_is_empty (&tmp) ? text : ds_cstr (&tmp);
- pango_layout_set_text (font->layout, content, -1);
+ if (options & TAB_MARKUP)
+ pango_layout_set_markup (font->layout, content, -1);
+ else
+ pango_layout_set_text (font->layout, content, -1);
if (style->underline)
{
if (best && !xr->nest)
dump_line (xr, -xr->left_margin, best,
xr->width + xr->right_margin, best,
- RENDER_LINE_SINGLE, &CELL_COLOR (0, 255, 0));
+ RENDER_LINE_SINGLE,
+ &(struct cell_color) CELL_COLOR (0, 255, 0));
}
}
pango_font_description_free (font->desc);
}
- return bb[V][0] + h;
+ return h;
}
static void
xr_layout_cell (struct xr_driver *xr, const struct table_cell *cell,
- int bb_[TABLE_N_AXES][2], int clip[TABLE_N_AXES][2],
+ int bb[TABLE_N_AXES][2], int clip[TABLE_N_AXES][2],
int *width, int *height, int *brk)
{
- int bb[TABLE_N_AXES][2];
- size_t i;
-
*width = 0;
*height = 0;
- if (brk)
- *brk = 0;
-
- memcpy (bb, bb_, sizeof bb);
/* If enabled, draws a blue rectangle around the cell extents, which can be
useful for debugging layout. */
}
}
- for (i = 0; i < cell->n_contents && bb[V][0] < bb[V][1]; i++)
- {
- const struct cell_contents *contents = &cell->contents[i];
-
- if (brk)
- *brk = bb[V][0];
- if (i > 0)
- {
- bb[V][0] += xr->char_height / 2;
- if (bb[V][0] >= bb[V][1])
- break;
- if (brk)
- *brk = bb[V][0];
- }
-
- bb[V][0] = xr_layout_cell_text (xr, contents, cell->style, bb, clip,
- width, brk);
- }
- *height = bb[V][0] - bb_[V][0];
+ if (brk)
+ *brk = bb[V][0];
+ *height = xr_layout_cell_text (xr, cell, bb, clip, width, brk);
}
\f
struct output_driver_factory pdf_driver_factory =
xr_driver_create (cairo_t *cairo, struct string_map *options)
{
struct xr_driver *xr = xr_allocate ("cairo", 0, options);
- if (!xr_set_cairo (xr, cairo))
- {
- output_driver_destroy (&xr->driver);
- return NULL;
- }
+ xr_set_cairo (xr, cairo);
return xr;
}
/* Draws onto CR */
void
-xr_rendering_draw_all (struct xr_rendering *r, cairo_t *cr)
+xr_rendering_draw (struct xr_rendering *r, cairo_t *cr,
+ int x0, int y0, int x1, int y1)
{
if (is_table_item (r->item))
{
xr_set_cairo (xr, cr);
- render_pager_draw (r->p);
-
+ render_pager_draw_region (r->p, x0 * XR_POINT, y0 * XR_POINT,
+ (x1 - x0) * XR_POINT, (y1 - y0) * XR_POINT);
}
else
xr_draw_chart (to_chart_item (r->item), cr,
struct xr_table_state
{
struct xr_render_fsm fsm;
- struct table_item *table_item;
struct render_pager *p;
};
{
struct xr_table_state *ts = UP_CAST (fsm, struct xr_table_state, fsm);
- table_item_unref (ts->table_item);
render_pager_destroy (ts->p);
free (ts);
}
static struct xr_render_fsm *
-xr_render_table (struct xr_driver *xr, const struct table_item *table_item)
+xr_render_table (struct xr_driver *xr, struct table_item *table_item)
{
struct xr_table_state *ts;
ts = xmalloc (sizeof *ts);
ts->fsm.render = xr_table_render;
ts->fsm.destroy = xr_table_destroy;
- ts->table_item = table_item_ref (table_item);
if (xr->y > 0)
xr->y += xr->char_height;
ts->p = render_pager_create (xr->params, table_item);
+ table_item_unref (table_item);
return &ts->fsm;
}
return &eject_renderer;
}
\f
-static struct xr_render_fsm *
-xr_create_text_renderer (struct xr_driver *xr, const struct text_item *item)
-{
- struct tab_table *tab = tab_create (1, 1);
-
- struct cell_style *style = pool_alloc (tab->container, sizeof *style);
- *style = (struct cell_style) CELL_STYLE_INITIALIZER;
- if (item->font)
- style->font = pool_strdup (tab->container, item->font);
- style->font_size = item->font_size;
- style->bold = item->bold;
- style->italic = item->italic;
- style->underline = item->underline;
- tab->styles[0] = style;
-
- tab_text (tab, 0, 0, TAB_LEFT, text_item_get_text (item));
- struct table_item *table_item = table_item_create (&tab->table, NULL, NULL);
- struct xr_render_fsm *fsm = xr_render_table (xr, table_item);
- table_item_unref (table_item);
-
- return fsm;
-}
-
static struct xr_render_fsm *
xr_render_text (struct xr_driver *xr, const struct text_item *text_item)
{
enum text_item_type type = text_item_get_type (text_item);
+ const char *text = text_item_get_text (text_item);
switch (type)
{
case TEXT_ITEM_PAGE_TITLE:
+ string_map_replace (&xr->heading_vars, "PageTitle", text);
break;
case TEXT_ITEM_BLANK_LINE:
break;
default:
- return xr_create_text_renderer (xr, text_item);
+ return xr_render_table (
+ xr, text_item_to_table_item (text_item_ref (text_item)));
}
return NULL;
char *s = msg_to_string (message_item_get_msg (message_item));
struct text_item *item = text_item_create (TEXT_ITEM_PARAGRAPH, s);
free (s);
- struct xr_render_fsm *fsm = xr_create_text_renderer (xr, item);
- text_item_unref (item);
-
- return fsm;
+ return xr_render_table (xr, text_item_to_table_item (item));
}
static struct xr_render_fsm *
const struct output_item *output_item)
{
if (is_table_item (output_item))
- return xr_render_table (xr, to_table_item (output_item));
+ return xr_render_table (xr, table_item_ref (to_table_item (output_item)));
else if (is_chart_item (output_item))
return xr_render_chart (to_chart_item (output_item));
else if (is_text_item (output_item))
projects / pspp / blobdiff