#include "libpspp/assertion.h"
#include "libpspp/cast.h"
#include "libpspp/message.h"
+#include "libpspp/pool.h"
#include "libpspp/start-date.h"
#include "libpspp/str.h"
#include "libpspp/string-map.h"
#include "output/charts/scree.h"
#include "output/charts/scatterplot.h"
#include "output/driver-provider.h"
+#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"
#include <pango/pangocairo.h>
#include <stdlib.h>
+#include "gl/c-ctype.h"
+#include "gl/c-strcase.h"
#include "gl/intprops.h"
#include "gl/minmax.h"
#include "gl/xalloc.h"
#define H TABLE_HORZ
#define V TABLE_VERT
-/* The unit used for internal measurements is inch/(72 * XR_POINT). */
+/* The unit used for internal measurements is inch/(72 * XR_POINT).
+ (Thus, XR_POINT units represent one point.) */
#define XR_POINT PANGO_SCALE
/* Conversions to and from points. */
return x / (double) XR_POINT;
}
+/* Conversion from 1/96" units ("pixels") to Cairo/Pango units. */
+static int
+px_to_xr (int x)
+{
+ return x * (PANGO_SCALE * 72 / 96);
+}
+
+/* Dimensions for drawing lines in tables. */
+#define XR_LINE_WIDTH (XR_POINT / 2) /* Width of an ordinary line. */
+#define XR_LINE_SPACE XR_POINT /* Space between double lines. */
+
/* Output types. */
enum xr_output_type
{
XR_FONT_PROPORTIONAL,
XR_FONT_EMPHASIS,
XR_FONT_FIXED,
- XR_FONT_MARKER,
XR_N_FONTS
};
int top_margin; /* Top margin in inch/(72 * XR_POINT). */
int bottom_margin; /* Bottom margin in inch/(72 * XR_POINT). */
- int line_gutter; /* Space around lines. */
int line_space; /* Space between lines. */
int line_width; /* Width of lines. */
- int cell_margin;
-
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;
static void xr_driver_run_fsm (struct xr_driver *);
static void xr_draw_line (void *, int bb[TABLE_N_AXES][2],
- enum render_line_style styles[TABLE_N_AXES][2]);
+ enum render_line_style styles[TABLE_N_AXES][2],
+ struct cell_color colors[TABLE_N_AXES][2]);
static void xr_measure_cell_width (void *, const struct table_cell *,
int *min, int *max);
static int xr_measure_cell_height (void *, const struct table_cell *,
int width);
-static void xr_draw_cell (void *, const struct table_cell *,
+static void xr_draw_cell (void *, const struct table_cell *, int color_idx,
int bb[TABLE_N_AXES][2],
+ int spill[TABLE_N_AXES][2],
int clip[TABLE_N_AXES][2]);
static int xr_adjust_break (void *, const struct table_cell *,
int width, int height);
}
static PangoFontDescription *
-parse_font (struct output_driver *d, struct string_map *options,
- const char *key, const char *default_value,
- int default_size)
+parse_font (const char *font, int default_size, bool bold, bool italic)
{
- PangoFontDescription *desc;
- char *string;
+ if (!c_strcasecmp (font, "Monospaced"))
+ font = "Monospace";
- /* Parse KEY as a font description. */
- string = parse_string (opt (d, options, key, default_value));
- desc = pango_font_description_from_string (string);
+ PangoFontDescription *desc = pango_font_description_from_string (font);
if (desc == NULL)
+ return NULL;
+
+ /* If the font description didn't include an explicit font size, then set it
+ to DEFAULT_SIZE, which is in inch/72000 units. */
+ if (!(pango_font_description_get_set_fields (desc) & PANGO_FONT_MASK_SIZE))
+ pango_font_description_set_size (desc,
+ (default_size / 1000.0) * PANGO_SCALE);
+
+ pango_font_description_set_weight (desc, (bold
+ ? PANGO_WEIGHT_BOLD
+ : PANGO_WEIGHT_NORMAL));
+ pango_font_description_set_style (desc, (italic
+ ? PANGO_STYLE_ITALIC
+ : PANGO_STYLE_NORMAL));
+
+ return desc;
+}
+
+static PangoFontDescription *
+parse_font_option (struct output_driver *d, struct string_map *options,
+ const char *key, const char *default_value,
+ int default_size, bool bold, bool italic)
+{
+ char *string = parse_string (opt (d, options, key, default_value));
+ PangoFontDescription *desc = parse_font (string, default_size, bold, italic);
+ if (!desc)
{
msg (MW, _("`%s': bad font specification"), string);
/* Fall back to DEFAULT_VALUE, which had better be a valid font
description. */
- desc = pango_font_description_from_string (default_value);
+ desc = parse_font (default_value, default_size, bold, italic);
assert (desc != NULL);
}
free (string);
- /* If the font description didn't include an explicit font size, then set it
- to DEFAULT_SIZE, which is in inch/72000 units. */
- if (!(pango_font_description_get_set_fields (desc) & PANGO_FONT_MASK_SIZE))
- pango_font_description_set_size (desc,
- (default_size / 1000.0) * PANGO_SCALE);
-
return desc;
}
-
static void
apply_options (struct xr_driver *xr, struct string_map *o)
{
}
font_size = parse_int (opt (d, o, "font-size", "10000"), 1000, 1000000);
- xr->fonts[XR_FONT_FIXED].desc = parse_font (d, o, "fixed-font", "monospace",
- font_size);
- xr->fonts[XR_FONT_PROPORTIONAL].desc = parse_font (d, o, "prop-font",
- "sans serif", font_size);
- xr->fonts[XR_FONT_EMPHASIS].desc = parse_font (d, o, "emph-font",
- "sans serif italic", font_size);
- xr->fonts[XR_FONT_MARKER].desc = parse_font (d, o, "marker-font", "sans serif",
- font_size * PANGO_SCALE_X_SMALL);
-
- xr->line_gutter = XR_POINT / 2;
- xr->line_space = XR_POINT;
- xr->line_width = XR_POINT / 2;
- xr->page_number = 0;
+ xr->fonts[XR_FONT_FIXED].desc = parse_font_option
+ (d, o, "fixed-font", "monospace", font_size, false, false);
+ xr->fonts[XR_FONT_PROPORTIONAL].desc = parse_font_option (
+ d, o, "prop-font", "sans serif", font_size, false, false);
+ xr->fonts[XR_FONT_EMPHASIS].desc = parse_font_option (
+ d, o, "emph-font", "sans serif", font_size, false, true);
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));
+ 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));
}
- xr->cell_margin = xr->char_width;
if (xr->params == NULL)
{
xr->params->font_size[H] = xr->char_width;
xr->params->font_size[V] = xr->char_height;
- int lg = xr->line_gutter;
- int lw = xr->line_width;
- int ls = xr->line_space;
- for (i = 0; i < TABLE_N_AXES; i++)
+ int lw = XR_LINE_WIDTH;
+ int ls = XR_LINE_SPACE;
+ 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] = 2 * lg + lw;
- xr->params->line_widths[i][RENDER_LINE_DASHED] = 2 * lg + lw;
- xr->params->line_widths[i][RENDER_LINE_THICK] = 2 * lg + lw * 3;
- xr->params->line_widths[i][RENDER_LINE_THIN] = 2 * lg + lw / 2;
- xr->params->line_widths[i][RENDER_LINE_DOUBLE] = 2 * (lg + lw) + ls;
+ xr->params->line_widths[i][RENDER_LINE_SINGLE] = lw;
+ xr->params->line_widths[i][RENDER_LINE_DASHED] = lw;
+ xr->params->line_widths[i][RENDER_LINE_THICK] = lw * 2;
+ xr->params->line_widths[i][RENDER_LINE_THIN] = lw / 2;
+ 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);
}
int *width, int *height, int *brk);
static void
-dump_line (struct xr_driver *xr, int x0, int y0, int x1, int y1, int style)
+dump_line (struct xr_driver *xr, int x0, int y0, int x1, int y1, int style,
+ const struct cell_color *color)
{
cairo_new_path (xr->cairo);
+ cairo_set_source_rgb (xr->cairo,
+ color->r / 255.0, color->g / 255.0, color->b / 255.0);
cairo_set_line_width (
xr->cairo,
- xr_to_pt (style == RENDER_LINE_THICK ? xr->line_width * 3
- : style == RENDER_LINE_THIN ? xr->line_width / 2
- : xr->line_width));
+ xr_to_pt (style == RENDER_LINE_THICK ? XR_LINE_WIDTH * 2
+ : style == RENDER_LINE_THIN ? XR_LINE_WIDTH / 2
+ : XR_LINE_WIDTH));
cairo_move_to (xr->cairo, xr_to_pt (x0 + xr->x), xr_to_pt (y0 + xr->y));
cairo_line_to (xr->cairo, xr_to_pt (x1 + xr->x), xr_to_pt (y1 + xr->y));
cairo_stroke (xr->cairo);
dump_rectangle (struct xr_driver *xr, int x0, int y0, int x1, int y1)
{
cairo_new_path (xr->cairo);
- cairo_set_line_width (xr->cairo, xr_to_pt (xr->line_width));
+ cairo_set_line_width (xr->cairo, xr_to_pt (XR_LINE_WIDTH));
cairo_move_to (xr->cairo, xr_to_pt (x0 + xr->x), xr_to_pt (y0 + xr->y));
cairo_line_to (xr->cairo, xr_to_pt (x1 + xr->x), xr_to_pt (y0 + xr->y));
cairo_line_to (xr->cairo, xr_to_pt (x1 + xr->x), xr_to_pt (y1 + xr->y));
cairo_stroke (xr->cairo);
}
+static void
+fill_rectangle (struct xr_driver *xr, int x0, int y0, int x1, int y1)
+{
+ cairo_new_path (xr->cairo);
+ cairo_set_line_width (xr->cairo, xr_to_pt (XR_LINE_WIDTH));
+ cairo_rectangle (xr->cairo,
+ xr_to_pt (x0 + xr->x), xr_to_pt (y0 + xr->y),
+ xr_to_pt (x1 - x0), xr_to_pt (y1 - y0));
+ cairo_fill (xr->cairo);
+}
+
/* Draws a horizontal line X0...X2 at Y if LEFT says so,
shortening it to X0...X1 if SHORTEN is true.
Draws a horizontal line X1...X3 at Y if RIGHT says so,
static void
horz_line (struct xr_driver *xr, int x0, int x1, int x2, int x3, int y,
enum render_line_style left, enum render_line_style right,
+ const struct cell_color *left_color,
+ const struct cell_color *right_color,
bool shorten)
{
- if (left != RENDER_LINE_NONE && right != RENDER_LINE_NONE && !shorten)
- dump_line (xr, x0, y, x3, y, left);
+ if (left != RENDER_LINE_NONE && right != RENDER_LINE_NONE && !shorten
+ && cell_color_equal (left_color, right_color))
+ dump_line (xr, x0, y, x3, y, left, left_color);
else
{
if (left != RENDER_LINE_NONE)
- dump_line (xr, x0, y, shorten ? x1 : x2, y, left);
+ dump_line (xr, x0, y, shorten ? x1 : x2, y, left, left_color);
if (right != RENDER_LINE_NONE)
- dump_line (xr, shorten ? x2 : x1, y, x3, y, right);
+ dump_line (xr, shorten ? x2 : x1, y, x3, y, right, right_color);
}
}
static void
vert_line (struct xr_driver *xr, int y0, int y1, int y2, int y3, int x,
enum render_line_style top, enum render_line_style bottom,
+ const struct cell_color *top_color,
+ const struct cell_color *bottom_color,
bool shorten)
{
- if (top != RENDER_LINE_NONE && bottom != RENDER_LINE_NONE && !shorten)
- dump_line (xr, x, y0, x, y3, top);
+ if (top != RENDER_LINE_NONE && bottom != RENDER_LINE_NONE && !shorten
+ && cell_color_equal (top_color, bottom_color))
+ dump_line (xr, x, y0, x, y3, top, top_color);
else
{
if (top != RENDER_LINE_NONE)
- dump_line (xr, x, y0, x, shorten ? y1 : y2, top);
+ dump_line (xr, x, y0, x, shorten ? y1 : y2, top, top_color);
if (bottom != RENDER_LINE_NONE)
- dump_line (xr, x, shorten ? y2 : y1, x, y3, bottom);
+ dump_line (xr, x, shorten ? y2 : y1, x, y3, bottom, bottom_color);
}
}
static void
xr_draw_line (void *xr_, int bb[TABLE_N_AXES][2],
- enum render_line_style styles[TABLE_N_AXES][2])
+ enum render_line_style styles[TABLE_N_AXES][2],
+ struct cell_color colors[TABLE_N_AXES][2])
{
const int x0 = bb[H][0];
const int y0 = bb[V][0];
const int y3 = bb[V][1];
const int top = styles[H][0];
const int bottom = styles[H][1];
- const int start_of_line = render_direction_rtl() ? styles[V][1]: styles[V][0];
- const int end_of_line = render_direction_rtl() ? styles[V][0]: styles[V][1];
+
+ int start_side = render_direction_rtl();
+ int end_side = !start_side;
+ const int start_of_line = styles[V][start_side];
+ const int end_of_line = styles[V][end_side];
+ const struct cell_color *top_color = &colors[H][0];
+ const struct cell_color *bottom_color = &colors[H][1];
+ const struct cell_color *start_color = &colors[V][start_side];
+ const struct cell_color *end_color = &colors[V][end_side];
/* The algorithm here is somewhat subtle, to allow it to handle
all the kinds of intersections that we need.
struct xr_driver *xr = xr_;
/* Offset from center of each line in a pair of double lines. */
- int double_line_ofs = (xr->line_space + xr->line_width) / 2;
+ int double_line_ofs = (XR_LINE_SPACE + XR_LINE_WIDTH) / 2;
/* Are the lines along each axis single or double?
(It doesn't make sense to have different kinds of line on the
int y2 = yc + vert_line_ofs;
if (!double_horz)
- horz_line (xr, x0, x1, x2, x3, yc, start_of_line, end_of_line, shorten_yc_line);
+ horz_line (xr, x0, x1, x2, x3, yc, start_of_line, end_of_line,
+ start_color, end_color, shorten_yc_line);
else
{
- horz_line (xr, x0, x1, x2, x3, y1, start_of_line, end_of_line, shorten_y1_lines);
- horz_line (xr, x0, x1, x2, x3, y2, start_of_line, end_of_line, shorten_y2_lines);
+ horz_line (xr, x0, x1, x2, x3, y1, start_of_line, end_of_line,
+ start_color, end_color, shorten_y1_lines);
+ horz_line (xr, x0, x1, x2, x3, y2, start_of_line, end_of_line,
+ start_color, end_color, shorten_y2_lines);
}
if (!double_vert)
- vert_line (xr, y0, y1, y2, y3, xc, top, bottom, shorten_xc_line);
+ vert_line (xr, y0, y1, y2, y3, xc, top, bottom, top_color, bottom_color,
+ shorten_xc_line);
else
{
- vert_line (xr, y0, y1, y2, y3, x1, top, bottom, shorten_x1_lines);
- vert_line (xr, y0, y1, y2, y3, x2, top, bottom, shorten_x2_lines);
+ vert_line (xr, y0, y1, y2, y3, x1, top, bottom, top_color, bottom_color,
+ shorten_x1_lines);
+ vert_line (xr, y0, y1, y2, y3, x2, top, bottom, top_color, bottom_color,
+ shorten_x2_lines);
}
}
xr_layout_cell (xr, cell, bb, clip, min_width, &h, NULL);
if (*min_width > 0)
- *min_width += xr->cell_margin * 2;
+ *min_width += px_to_xr (cell->style->margin[H][0]
+ + cell->style->margin[H][1]);
if (*max_width > 0)
- *max_width += xr->cell_margin * 2;
+ *max_width += px_to_xr (cell->style->margin[H][0]
+ + cell->style->margin[H][1]);
}
static int
int w, h;
bb[H][0] = 0;
- bb[H][1] = width - xr->cell_margin * 2;
+ bb[H][1] = width - px_to_xr (cell->style->margin[H][0]
+ + cell->style->margin[H][1]);
bb[V][0] = 0;
bb[V][1] = INT_MAX;
clip[H][0] = clip[H][1] = clip[V][0] = clip[V][1] = 0;
xr_layout_cell (xr, cell, bb, clip, &w, &h, NULL);
+ h += px_to_xr (cell->style->margin[V][0] + cell->style->margin[V][1]);
return h;
}
+static void xr_clip (struct xr_driver *, int clip[TABLE_N_AXES][2]);
+
static void
-xr_draw_cell (void *xr_, const struct table_cell *cell,
- int bb[TABLE_N_AXES][2], int clip[TABLE_N_AXES][2])
+xr_draw_cell (void *xr_, const struct table_cell *cell, int color_idx,
+ int bb[TABLE_N_AXES][2],
+ int spill[TABLE_N_AXES][2],
+ int clip[TABLE_N_AXES][2])
{
struct xr_driver *xr = xr_;
int w, h, brk;
- bb[H][0] += xr->cell_margin;
- bb[H][1] -= xr->cell_margin;
- if (bb[H][0] >= bb[H][1])
- return;
- xr_layout_cell (xr, cell, bb, clip, &w, &h, &brk);
+ cairo_save (xr->cairo);
+ int bg_clip[TABLE_N_AXES][2];
+ for (int axis = 0; axis < TABLE_N_AXES; axis++)
+ {
+ bg_clip[axis][0] = clip[axis][0];
+ if (bb[axis][0] == clip[axis][0])
+ bg_clip[axis][0] -= spill[axis][0];
+
+ bg_clip[axis][1] = clip[axis][1];
+ if (bb[axis][1] == clip[axis][1])
+ bg_clip[axis][1] += spill[axis][1];
+ }
+ xr_clip (xr, bg_clip);
+ cairo_set_source_rgb (xr->cairo,
+ cell->style->bg[color_idx].r / 255.,
+ cell->style->bg[color_idx].g / 255.,
+ cell->style->bg[color_idx].b / 255.);
+ fill_rectangle (xr,
+ bb[H][0] - spill[H][0],
+ bb[V][0] - spill[V][0],
+ bb[H][1] + spill[H][1],
+ bb[V][1] + spill[V][1]);
+ cairo_restore (xr->cairo);
+
+ cairo_save (xr->cairo);
+ cairo_set_source_rgb (xr->cairo,
+ cell->style->fg[color_idx].r / 255.,
+ cell->style->fg[color_idx].g / 255.,
+ cell->style->fg[color_idx].b / 255.);
+
+ for (int axis = 0; axis < TABLE_N_AXES; axis++)
+ {
+ bb[axis][0] += px_to_xr (cell->style->margin[axis][0]);
+ bb[axis][1] -= px_to_xr (cell->style->margin[axis][1]);
+ }
+ if (bb[H][0] < bb[H][1] && bb[V][0] < bb[V][1])
+ xr_layout_cell (xr, cell, bb, clip, &w, &h, &brk);
+ cairo_restore (xr->cairo);
}
static int
return -1;
bb[H][0] = 0;
- bb[H][1] = width - 2 * xr->cell_margin;
+ bb[H][1] = width - px_to_xr (cell->style->margin[H][0]
+ + cell->style->margin[H][1]);
if (bb[H][1] <= 0)
return 0;
bb[V][0] = 0;
- bb[V][1] = height;
+ bb[V][1] = height - px_to_xr (cell->style->margin[V][0]
+ + cell->style->margin[V][1]);
clip[H][0] = clip[H][1] = clip[V][0] = clip[V][1] = 0;
xr_layout_cell (xr, cell, bb, clip, &w, &h, &brk);
return brk;
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,
+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;
- struct xr_font *font;
- bool merge_footnotes;
- size_t length;
+ const struct cell_style *style = cell->style;
+ unsigned int options = cell->options;
int w, h;
- if (contents->n_footnotes == 0)
- merge_footnotes = false;
- else if (contents->n_footnotes == 1 && (options & TAB_HALIGN) == TAB_RIGHT)
+ 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 (cell->style->font)
{
- PangoAttrList *attrs;
+ PangoFontDescription *desc = parse_font (
+ style->font,
+ style->font_size ? style->font_size * 1000 * 72 / 128 : 10000,
+ style->bold, style->italic);
+ if (desc)
+ {
+ PangoLayout *layout = pango_cairo_create_layout (xr->cairo);
+ pango_layout_set_font_description (layout, desc);
- font = &xr->fonts[XR_FONT_MARKER];
+ local_font.desc = desc;
+ local_font.layout = layout;
+ font = &local_font;
+ }
+ }
+
+ int footnote_adjustment;
+ if (cell->n_footnotes == 0)
+ footnote_adjustment = 0;
+ 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 ();
pango_attr_list_unref (attrs);
pango_layout_get_size (font->layout, &w, &h);
- merge_footnotes = w > xr->cell_margin;
- if (!merge_footnotes && clip[H][0] != clip[H][1])
+ footnote_adjustment = MIN (w, px_to_xr (style->margin[H][1]));
+ }
+ else
+ footnote_adjustment = px_to_xr (style->margin[H][1]);
+
+ struct string tmp = DS_EMPTY_INITIALIZER;
+ 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
+ that precedes a digit, e.g. in ".000" it will break after the period.
+ This code looks for such a situation and inserts a U+2060 WORD JOINER
+ to prevent the break.
+
+ This isn't necessary when the decimal point is between two digits
+ (e.g. "0.000" won't be broken) or when the display width is not limited so
+ that word wrapping won't happen.
+
+ It isn't necessary to look for more than one period or comma, as would
+ happen with grouping like 1,234,567.89 or 1.234.567,89 because if groups
+ are present then there will always be a digit on both sides of every
+ period and comma. */
+ if (bb[H][1] != INT_MAX)
+ {
+ const char *decimal = text + strcspn (text, ".,");
+ if (decimal[0]
+ && c_isdigit (decimal[1])
+ && (decimal == text || !c_isdigit (decimal[-1])))
{
- cairo_save (xr->cairo);
- xr_clip (xr, clip);
- cairo_translate (xr->cairo,
- xr_to_pt (bb[H][1] + xr->x),
- xr_to_pt (bb[V][0] + xr->y));
- pango_layout_set_alignment (font->layout, PANGO_ALIGN_LEFT);
- pango_layout_set_width (font->layout, -1);
- pango_cairo_show_layout (xr->cairo, font->layout);
- cairo_restore (xr->cairo);
+ ds_extend (&tmp, strlen (text) + 16);
+ ds_put_substring (&tmp, ss_buffer (text, decimal - text + 1));
+ ds_put_unichar (&tmp, 0x2060 /* U+2060 WORD JOINER */);
+ ds_put_cstr (&tmp, decimal + 1);
}
-
- pango_layout_set_attributes (font->layout, NULL);
}
- else
- merge_footnotes = true;
- font = (options & TAB_FIX ? &xr->fonts[XR_FONT_FIXED]
- : options & TAB_EMPH ? &xr->fonts[XR_FONT_EMPHASIS]
- : &xr->fonts[XR_FONT_PROPORTIONAL]);
-
- length = strlen (contents->text);
- if (merge_footnotes)
+ if (footnote_adjustment)
{
- PangoAttrList *attrs;
- struct string s;
+ bb[H][1] += footnote_adjustment;
- bb[H][1] += xr->cell_margin;
+ if (ds_is_empty (&tmp))
+ {
+ ds_extend (&tmp, strlen (text) + 16);
+ ds_put_cstr (&tmp, text);
+ }
+ size_t initial_length = ds_length (&tmp);
- ds_init_empty (&s);
- ds_extend (&s, length + contents->n_footnotes * 10);
- ds_put_cstr (&s, contents->text);
- cell_contents_format_footnote_markers (contents, &s);
- pango_layout_set_text (font->layout, ds_cstr (&s), ds_length (&s));
- ds_destroy (&s);
+ for (size_t i = 0; i < cell->n_footnotes; i++)
+ {
+ if (i)
+ ds_put_byte (&tmp, ',');
- attrs = pango_attr_list_new ();
- add_attr_with_start (attrs, pango_attr_rise_new (7000), length);
+ 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)
+ pango_attr_list_insert (attrs, pango_attr_underline_new (
+ PANGO_UNDERLINE_SINGLE));
+ add_attr_with_start (attrs, pango_attr_rise_new (7000), initial_length);
add_attr_with_start (
- attrs, pango_attr_font_desc_new (xr->fonts[XR_FONT_MARKER].desc), length);
+ attrs, pango_attr_font_desc_new (font->desc), initial_length);
pango_layout_set_attributes (font->layout, attrs);
pango_attr_list_unref (attrs);
}
else
- pango_layout_set_text (font->layout, contents->text, -1);
+ {
+ const char *content = ds_is_empty (&tmp) ? text : ds_cstr (&tmp);
+ if (options & TAB_MARKUP)
+ pango_layout_set_markup (font->layout, content, -1);
+ else
+ pango_layout_set_text (font->layout, content, -1);
+
+ if (style->underline)
+ {
+ PangoAttrList *attrs = pango_attr_list_new ();
+ pango_attr_list_insert (attrs, pango_attr_underline_new (
+ PANGO_UNDERLINE_SINGLE));
+ pango_layout_set_attributes (font->layout, attrs);
+ pango_attr_list_unref (attrs);
+ }
+ }
+ ds_destroy (&tmp);
pango_layout_set_alignment (
font->layout,
if (0)
{
if (best && !xr->nest)
- {
- cairo_save (xr->cairo);
- cairo_set_source_rgb (xr->cairo, 0, 1, 0);
- dump_line (xr, -xr->left_margin, best,
- xr->width + xr->right_margin, best,
- RENDER_LINE_SINGLE);
- cairo_restore (xr->cairo);
- }
+ dump_line (xr, -xr->left_margin, best,
+ xr->width + xr->right_margin, best,
+ RENDER_LINE_SINGLE,
+ &(struct cell_color) CELL_COLOR (0, 255, 0));
}
}
pango_layout_set_attributes (font->layout, NULL);
- return bb[V][0] + h;
+
+ if (font == &local_font)
+ {
+ g_object_unref (G_OBJECT (font->layout));
+ pango_font_description_free (font->desc);
+ }
+
+ 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, 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;
}
else if (is_message_item (item))
{
const struct message_item *message_item = to_message_item (item);
- const struct msg *msg = message_item_get_msg (message_item);
- char *s = msg_to_string (msg, NULL);
+ char *s = msg_to_string (message_item_get_msg (message_item));
r = xr_rendering_create_text (xr, s, cr);
free (s);
}
r = xzalloc (sizeof *r);
r->item = output_item_ref (item);
}
+ else if (is_group_open_item (item))
+ r = xr_rendering_create_text (xr, to_group_open_item (item)->command_name,
+ cr);
return r;
}
/* 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 char *text)
-{
- struct table_item *table_item;
- struct xr_render_fsm *fsm;
-
- table_item = table_item_create (table_from_string (TAB_LEFT, text),
- NULL, NULL);
- 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)
{
switch (type)
{
- case TEXT_ITEM_TITLE:
- free (xr->title);
- xr->title = xstrdup (text);
- break;
-
- case TEXT_ITEM_SUBTITLE:
- free (xr->subtitle);
- xr->subtitle = xstrdup (text);
- break;
-
- case TEXT_ITEM_COMMAND_CLOSE:
+ 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);
+ return xr_render_table (
+ xr, text_item_to_table_item (text_item_ref (text_item)));
}
return NULL;
xr_render_message (struct xr_driver *xr,
const struct message_item *message_item)
{
- const struct msg *msg = message_item_get_msg (message_item);
- struct xr_render_fsm *fsm;
- char *s;
-
- s = msg_to_string (msg, message_item->command_name);
- fsm = xr_create_text_renderer (xr, s);
+ char *s = msg_to_string (message_item_get_msg (message_item));
+ struct text_item *item = text_item_create (TEXT_ITEM_PARAGRAPH, s);
free (s);
-
- 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