#include <config.h>
-#include <output/cairo.h>
-
-#include <libpspp/assertion.h>
-#include <libpspp/cast.h>
-#include <libpspp/message.h>
-#include <libpspp/start-date.h>
-#include <libpspp/str.h>
-#include <libpspp/string-map.h>
-#include <libpspp/version.h>
-#include <output/cairo-chart.h>
-#include <output/chart-item-provider.h>
-#include <output/charts/boxplot.h>
-#include <output/charts/np-plot.h>
-#include <output/charts/piechart.h>
-#include <output/charts/plot-hist.h>
-#include <output/charts/roc-chart.h>
-#include <output/charts/scree.h>
-#include <output/driver-provider.h>
-#include <output/message-item.h>
-#include <output/options.h>
-#include <output/render.h>
-#include <output/tab.h>
-#include <output/table-item.h>
-#include <output/table.h>
-#include <output/text-item.h>
+#include "output/cairo.h"
+
+#include "libpspp/assertion.h"
+#include "libpspp/cast.h"
+#include "libpspp/message.h"
+#include "libpspp/start-date.h"
+#include "libpspp/str.h"
+#include "libpspp/string-map.h"
+#include "libpspp/version.h"
+#include "output/cairo-chart.h"
+#include "output/chart-item-provider.h"
+#include "output/charts/boxplot.h"
+#include "output/charts/np-plot.h"
+#include "output/charts/piechart.h"
+#include "output/charts/plot-hist.h"
+#include "output/charts/roc-chart.h"
+#include "output/charts/scree.h"
+#include "output/driver-provider.h"
+#include "output/message-item.h"
+#include "output/options.h"
+#include "output/render.h"
+#include "output/tab.h"
+#include "output/table-item.h"
+#include "output/table.h"
+#include "output/text-item.h"
#include <cairo/cairo-pdf.h>
#include <cairo/cairo-ps.h>
#include <pango/pangocairo.h>
#include <stdlib.h>
-#include "error.h"
-#include "intprops.h"
-#include "minmax.h"
-#include "xalloc.h"
+#include "gl/error.h"
+#include "gl/intprops.h"
+#include "gl/minmax.h"
+#include "gl/xalloc.h"
#include "gettext.h"
#define _(msgid) gettext (msgid)
PangoFontMetrics *metrics;
};
+/* An output item whose rendering is in progress. */
+struct xr_render_fsm
+ {
+ /* Renders as much of itself as it can on the current page. Returns true
+ if rendering is complete, false if the output item needs another
+ page. */
+ bool (*render) (struct xr_render_fsm *, struct xr_driver *);
+
+ /* Destroys the output item. */
+ void (*destroy) (struct xr_render_fsm *);
+ };
+
/* Cairo output driver. */
struct xr_driver
{
int line_space; /* Space between lines. */
int line_width; /* Width of lines. */
- enum xr_output_type file_type; /* Type of output file. */
-
/* Internal state. */
struct render_params *params;
char *command_name;
cairo_t *cairo;
int page_number; /* Current page number. */
int y;
+ struct xr_render_fsm *fsm;
};
static const struct output_driver_class cairo_driver_class;
-static void xr_show_page (struct xr_driver *);
static void draw_headers (struct xr_driver *);
+static void xr_driver_destroy_fsm (struct xr_driver *);
+static void xr_driver_run_fsm (struct xr_driver *);
static bool load_font (struct xr_driver *, struct xr_font *);
static void free_font (struct xr_font *);
static void xr_draw_cell (void *, const struct table_cell *,
int bb[TABLE_N_AXES][2],
int clip[TABLE_N_AXES][2]);
+
+static struct xr_render_fsm *xr_render_output_item (
+ struct xr_driver *, const struct output_item *);
\f
-/* Driver initialization. */
+/* Output driver basics. */
static struct xr_driver *
xr_driver_cast (struct output_driver *driver)
static struct xr_driver *
xr_allocate (const char *name, int device_type, struct string_map *o)
{
+ int paper_width, paper_length;
struct output_driver *d;
struct xr_driver *xr;
xr = xzalloc (sizeof *xr);
d = &xr->driver;
output_driver_init (d, &cairo_driver_class, name, device_type);
- xr->headers = true;
xr->font_height = XR_POINT * 10;
xr->fonts[XR_FONT_FIXED].string
= parse_string (opt (d, o, "fixed-font", "monospace"));
xr->line_gutter = XR_POINT;
xr->line_space = XR_POINT;
xr->line_width = XR_POINT / 2;
- xr->page_number = 1;
+ xr->page_number = 0;
+
+ xr->headers = parse_boolean (opt (d, o, "headers", "true"));
+
+ parse_paper_size (opt (d, o, "paper-size", ""), &paper_width, &paper_length);
+ xr->left_margin = parse_dimension (opt (d, o, "left-margin", ".5in"));
+ xr->right_margin = parse_dimension (opt (d, o, "right-margin", ".5in"));
+ xr->top_margin = parse_dimension (opt (d, o, "top-margin", ".5in"));
+ xr->bottom_margin = parse_dimension (opt (d, o, "bottom-margin", ".5in"));
+
+ if (xr->headers)
+ xr->top_margin += 3 * xr->font_height;
+ xr->width = paper_width - xr->left_margin - xr->right_margin;
+ xr->length = paper_length - xr->top_margin - xr->bottom_margin;
return xr;
}
cairo_surface_t *surface;
cairo_status_t status;
double width_pt, length_pt;
- int paper_width, paper_length;
xr = xr_allocate (file_name, device_type, o);
d = &xr->driver;
- xr->headers = parse_boolean (opt (d, o, "headers", "true"));
-
- xr->file_type = file_type;
-
- parse_paper_size (opt (d, o, "paper-size", ""), &paper_width, &paper_length);
- xr->left_margin = parse_dimension (opt (d, o, "left-margin", ".5in"));
- xr->right_margin = parse_dimension (opt (d, o, "right-margin", ".5in"));
- xr->top_margin = parse_dimension (opt (d, o, "top-margin", ".5in"));
- xr->bottom_margin = parse_dimension (opt (d, o, "bottom-margin", ".5in"));
-
- if (xr->headers)
- xr->top_margin += 3 * xr->font_height;
- xr->width = paper_width - xr->left_margin - xr->right_margin;
- xr->length = paper_length - xr->top_margin - xr->bottom_margin;
-
- width_pt = paper_width / 1000.0;
- length_pt = paper_length / 1000.0;
- if (xr->file_type == XR_PDF)
+ width_pt = (xr->width + xr->left_margin + xr->right_margin) / 1000.0;
+ length_pt = (xr->length + xr->top_margin + xr->bottom_margin) / 1000.0;
+ if (file_type == XR_PDF)
surface = cairo_pdf_surface_create (file_name, width_pt, length_pt);
- else if (xr->file_type == XR_PS)
+ else if (file_type == XR_PS)
surface = cairo_ps_surface_create (file_name, width_pt, length_pt);
- else if (xr->file_type == XR_SVG)
+ else if (file_type == XR_SVG)
surface = cairo_svg_surface_create (file_name, width_pt, length_pt);
else
NOT_REACHED ();
xr->cairo = cairo_create (surface);
cairo_surface_destroy (surface);
- cairo_translate (xr->cairo,
- xr_to_pt (xr->left_margin),
- xr_to_pt (xr->top_margin));
-
if (!xr_set_cairo (xr, xr->cairo))
goto error;
+ cairo_save (xr->cairo);
+ xr_driver_next_page (xr, xr->cairo);
+
if (xr->width / (xr->font_height / 2) < MIN_WIDTH)
{
error (0, 0, _("The defined page is not wide enough to hold at least %d "
goto error;
}
+ draw_headers (xr);
+
return &xr->driver;
error:
struct xr_driver *xr = xr_driver_cast (driver);
size_t i;
+ xr_driver_destroy_fsm (xr);
+
if (xr->cairo != NULL)
{
cairo_status_t status;
- if (xr->y > 0)
- xr_show_page (xr);
-
cairo_surface_finish (cairo_get_target (xr->cairo));
status = cairo_status (xr->cairo);
if (status != CAIRO_STATUS_SUCCESS)
}
static void
-xr_output_table_item (struct xr_driver *xr,
- const struct table_item *table_item)
+xr_submit (struct output_driver *driver, const struct output_item *output_item)
{
- struct render_break x_break;
- struct render_page *page;
- int caption_height;
-
- if (xr->y > 0)
- xr->y += xr->font_height;
+ struct xr_driver *xr = xr_driver_cast (driver);
- page = xr_render_table_item (xr, table_item, &caption_height);
- xr->params->size[V] = xr->length - caption_height;
- for (render_break_init (&x_break, page, H);
- render_break_has_next (&x_break); )
+ xr_driver_output_item (xr, output_item);
+ while (xr_driver_need_new_page (xr))
{
- struct render_page *x_slice;
- struct render_break y_break;
+ cairo_restore (xr->cairo);
+ cairo_show_page (xr->cairo);
+ cairo_save (xr->cairo);
+ xr_driver_next_page (xr, xr->cairo);
+ }
+}
+\f
+/* Functions for rendering a series of output items to a series of Cairo
+ contexts, with pagination, possibly including headers.
- x_slice = render_break_next (&x_break, xr->width);
- for (render_break_init (&y_break, x_slice, V);
- render_break_has_next (&y_break); )
- {
- int space = xr->length - xr->y;
- struct render_page *y_slice;
+ Used by PSPPIRE for printing, and by the basic Cairo output driver above as
+ its underlying implementation.
- /* XXX doesn't allow for caption or space between segments */
- if (render_break_next_size (&y_break) > space)
- {
- assert (xr->y > 0);
- xr_show_page (xr);
- continue;
- }
+ See the big comment in cairo.h for intended usage. */
- y_slice = render_break_next (&y_break, space);
- if (caption_height)
- {
- struct table_cell cell;
- int bb[TABLE_N_AXES][2];
+/* Gives new page CAIRO to XR for output. CAIRO may be null to skip actually
+ rendering the page (which might be useful to find out how many pages an
+ output document has without actually rendering it). */
+void
+xr_driver_next_page (struct xr_driver *xr, cairo_t *cairo)
+{
+ if (cairo != NULL)
+ cairo_translate (cairo,
+ xr_to_pt (xr->left_margin),
+ xr_to_pt (xr->top_margin));
- xr_init_caption_cell (table_item_get_caption (table_item),
- &cell);
- bb[H][0] = 0;
- bb[H][1] = xr->width;
- bb[V][0] = 0;
- bb[V][1] = caption_height;
- xr_draw_cell (xr, &cell, bb, bb);
- xr->y += caption_height;
- caption_height = 0;
- }
+ xr->page_number++;
+ xr->cairo = cairo;
+ xr->y = 0;
+ draw_headers (xr);
+ xr_driver_run_fsm (xr);
+}
- render_page_draw (y_slice);
- xr->y += render_page_get_size (y_slice, V);
- render_page_unref (y_slice);
- }
- render_break_destroy (&y_break);
- }
- render_break_destroy (&x_break);
+/* Start rendering OUTPUT_ITEM to XR. Only valid if XR is not in the middle of
+ rendering a previous output item, that is, only if xr_driver_need_new_page()
+ returns false. */
+void
+xr_driver_output_item (struct xr_driver *xr,
+ const struct output_item *output_item)
+{
+ assert (xr->fsm == NULL);
+ xr->fsm = xr_render_output_item (xr, output_item);
+ xr_driver_run_fsm (xr);
}
-static void
-xr_output_text (struct xr_driver *xr, const char *text)
+/* Returns true if XR is in the middle of rendering an output item and needs a
+ new page to be appended using xr_driver_next_page() to make progress,
+ otherwise false. */
+bool
+xr_driver_need_new_page (const struct xr_driver *xr)
{
- struct table_item *table_item;
+ return xr->fsm != NULL;
+}
- table_item = table_item_create (table_from_string (TAB_LEFT, text), NULL);
- xr_output_table_item (xr, table_item);
- table_item_unref (table_item);
+/* Returns true if the current page doesn't have any content yet (besides
+ headers, if enabled). */
+bool
+xr_driver_is_page_blank (const struct xr_driver *xr)
+{
+ return xr->y == 0;
}
static void
-xr_submit (struct output_driver *driver, const struct output_item *output_item)
+xr_driver_destroy_fsm (struct xr_driver *xr)
{
- struct xr_driver *xr = xr_driver_cast (driver);
- if (is_table_item (output_item))
- xr_output_table_item (xr, to_table_item (output_item));
- else if (is_chart_item (output_item))
+ if (xr->fsm != NULL)
{
- if (xr->y > 0)
- xr_show_page (xr);
- xr_draw_chart (to_chart_item (output_item), xr->cairo, 0.0, 0.0,
- xr_to_pt (xr->width), xr_to_pt (xr->length));
- xr_show_page (xr);
- }
- else if (is_text_item (output_item))
- {
- const struct text_item *text_item = to_text_item (output_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_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:
- break;
-
- case TEXT_ITEM_BLANK_LINE:
- if (xr->y > 0)
- xr->y += xr->font_height;
- break;
-
- case TEXT_ITEM_EJECT_PAGE:
- if (xr->y > 0)
- xr_show_page (xr);
- break;
-
- default:
- xr_output_text (xr, text);
- break;
- }
- }
- else if (is_message_item (output_item))
- {
- const struct message_item *message_item = to_message_item (output_item);
- const struct msg *msg = message_item_get_msg (message_item);
- char *s = msg_to_string (msg, xr->command_name);
- xr_output_text (xr, s);
- free (s);
+ xr->fsm->destroy (xr->fsm);
+ xr->fsm = NULL;
}
}
static void
-xr_show_page (struct xr_driver *xr)
+xr_driver_run_fsm (struct xr_driver *xr)
{
- if (xr->headers)
- {
- xr->y = 0;
- draw_headers (xr);
- }
- cairo_show_page (xr->cairo);
-
- xr->page_number++;
- xr->y = 0;
+ if (xr->fsm != NULL && !xr->fsm->render (xr->fsm, xr))
+ xr_driver_destroy_fsm (xr);
}
\f
static void
cell.contents = string;
cell.options = options;
bb[H][0] = x;
- bb[V][0] = y;
+ bb[V][0] = y - xr->y;
bb[H][1] = x + max_width;
- bb[V][1] = xr->font_height;
+ bb[V][1] = xr->font_height - xr->y;
xr_layout_cell (xr, &cell, bb, bb, PANGO_WRAP_WORD_CHAR, &w, &h);
return w;
}
int x0, x1;
int y;
+ if (!xr->headers || xr->cairo == NULL)
+ return;
+
y = -3 * xr->font_height;
x0 = xr->font_height / 2;
x1 = xr->width - xr->font_height / 2;
#define CHART_HEIGHT 375
struct xr_driver *
-xr_create_driver (cairo_t *cairo, struct string_map *options)
+xr_driver_create (cairo_t *cairo, struct string_map *options)
{
struct xr_driver *xr = xr_allocate ("cairo", 0, options);
- xr->width = INT_MAX / 8;
- xr->length = INT_MAX / 8;
if (!xr_set_cairo (xr, cairo))
{
output_driver_destroy (&xr->driver);
return file_name;
}
+\f
+struct xr_table_state
+ {
+ struct xr_render_fsm fsm;
+ struct table_item *table_item;
+ struct render_break x_break;
+ struct render_break y_break;
+ int caption_height;
+ };
+
+static bool
+xr_table_render (struct xr_render_fsm *fsm, struct xr_driver *xr)
+{
+ struct xr_table_state *ts = UP_CAST (fsm, struct xr_table_state, fsm);
+
+ for (;;)
+ {
+ struct render_page *y_slice;
+ int space;
+
+ while (!render_break_has_next (&ts->y_break))
+ {
+ struct render_page *x_slice;
+
+ render_break_destroy (&ts->y_break);
+ if (!render_break_has_next (&ts->x_break))
+ return false;
+
+ x_slice = render_break_next (&ts->x_break, xr->width);
+ render_break_init (&ts->y_break, x_slice, V);
+ }
+
+ space = xr->length - xr->y;
+ if (render_break_next_size (&ts->y_break) > space)
+ {
+ assert (xr->y > 0);
+ return true;
+ }
+
+ y_slice = render_break_next (&ts->y_break, space);
+ if (ts->caption_height)
+ {
+ if (xr->cairo)
+ {
+ struct table_cell cell;
+ int bb[TABLE_N_AXES][2];
+
+ xr_init_caption_cell (table_item_get_caption (ts->table_item),
+ &cell);
+ bb[H][0] = 0;
+ bb[H][1] = xr->width;
+ bb[V][0] = 0;
+ bb[V][1] = ts->caption_height;
+ xr_draw_cell (xr, &cell, bb, bb);
+ }
+ xr->y += ts->caption_height;
+ ts->caption_height = 0;
+ }
+
+ if (xr->cairo)
+ render_page_draw (y_slice);
+ xr->y += render_page_get_size (y_slice, V);
+ render_page_unref (y_slice);
+ }
+}
+
+static void
+xr_table_destroy (struct xr_render_fsm *fsm)
+{
+ struct xr_table_state *ts = UP_CAST (fsm, struct xr_table_state, fsm);
+
+ table_item_unref (ts->table_item);
+ render_break_destroy (&ts->x_break);
+ render_break_destroy (&ts->y_break);
+ free (ts);
+}
+
+static struct xr_render_fsm *
+xr_render_table (struct xr_driver *xr, const struct table_item *table_item)
+{
+ struct xr_table_state *ts;
+ struct render_page *page;
+
+ 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->font_height;
+
+ page = xr_render_table_item (xr, table_item, &ts->caption_height);
+ xr->params->size[V] = xr->length - ts->caption_height;
+
+ render_break_init (&ts->x_break, page, H);
+ render_break_init_empty (&ts->y_break);
+
+ return &ts->fsm;
+}
+\f
+struct xr_chart_state
+ {
+ struct xr_render_fsm fsm;
+ struct chart_item *chart_item;
+ };
+
+static bool
+xr_chart_render (struct xr_render_fsm *fsm, struct xr_driver *xr)
+{
+ struct xr_chart_state *cs = UP_CAST (fsm, struct xr_chart_state, fsm);
+
+ if (xr->y > 0)
+ return true;
+
+ if (xr->cairo != NULL)
+ xr_draw_chart (cs->chart_item, xr->cairo, 0.0, 0.0,
+ xr_to_pt (xr->width), xr_to_pt (xr->length));
+ xr->y = xr->length;
+
+ return false;
+}
+
+static void
+xr_chart_destroy (struct xr_render_fsm *fsm)
+{
+ struct xr_chart_state *cs = UP_CAST (fsm, struct xr_chart_state, fsm);
+
+ chart_item_unref (cs->chart_item);
+ free (cs);
+}
+
+static struct xr_render_fsm *
+xr_render_chart (const struct chart_item *chart_item)
+{
+ struct xr_chart_state *cs;
+
+ cs = xmalloc (sizeof *cs);
+ cs->fsm.render = xr_chart_render;
+ cs->fsm.destroy = xr_chart_destroy;
+ cs->chart_item = chart_item_ref (chart_item);
+
+ return &cs->fsm;
+}
+\f
+static bool
+xr_eject_render (struct xr_render_fsm *fsm UNUSED, struct xr_driver *xr)
+{
+ return xr->y > 0;
+}
+
+static void
+xr_eject_destroy (struct xr_render_fsm *fsm UNUSED)
+{
+ /* Nothing to do. */
+}
+
+static struct xr_render_fsm *
+xr_render_eject (void)
+{
+ static struct xr_render_fsm eject_renderer =
+ {
+ xr_eject_render,
+ xr_eject_destroy
+ };
+
+ 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);
+ 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_TITLE:
+ free (xr->title);
+ xr->title = xstrdup (text);
+ draw_headers (xr);
+ break;
+
+ case TEXT_ITEM_SUBTITLE:
+ free (xr->subtitle);
+ xr->subtitle = xstrdup (text);
+ draw_headers (xr);
+ break;
+
+ case TEXT_ITEM_COMMAND_CLOSE:
+ break;
+
+ case TEXT_ITEM_BLANK_LINE:
+ if (xr->y > 0)
+ xr->y += xr->font_height;
+ break;
+
+ case TEXT_ITEM_EJECT_PAGE:
+ if (xr->y > 0)
+ return xr_render_eject ();
+ break;
+
+ default:
+ return xr_create_text_renderer (xr, text);
+ }
+
+ return NULL;
+}
+
+static struct xr_render_fsm *
+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, xr->command_name);
+ fsm = xr_create_text_renderer (xr, s);
+ free (s);
+
+ return fsm;
+}
+
+static struct xr_render_fsm *
+xr_render_output_item (struct xr_driver *xr,
+ const struct output_item *output_item)
+{
+ if (is_table_item (output_item))
+ return xr_render_table (xr, 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))
+ return xr_render_text (xr, to_text_item (output_item));
+ else if (is_message_item (output_item))
+ return xr_render_message (xr, to_message_item (output_item));
+ else
+ return NULL;
+}
viewer->items = NULL;
viewer->n_items = viewer->allocated_items = 0;
+ g_object_unref (viewer->print_settings);
+
/* Chain up to the parent class */
G_OBJECT_CLASS (parent_class)->dispose (obj);
}
g_free (font_name);
pango_font_description_free (font_desc);
- pod->xr = xr_create_driver (cr, &options);
+ /* Pretend that the "page" has a reasonable width and a very big length,
+ so that most tables can be conveniently viewed on-screen with vertical
+ scrolling only. (The length should not be increased very much because
+ it is already close enough to INT_MAX when expressed as thousands of a
+ point.) */
+ string_map_insert (&options, "paper-size", "300x200000mm");
+ string_map_insert (&options, "headers", "off");
+ string_map_insert (&options, "left-margin", "0");
+ string_map_insert (&options, "right-margin", "0");
+ string_map_insert (&options, "top-margin", "0");
+ string_map_insert (&options, "bottom-margin", "0");
+
+ pod->xr = xr_driver_create (cr, &options);
string_map_destroy (&options);
}
gtk_adjustment_set_value (vadj, y);
}
+static void psppire_output_window_print (PsppireOutputWindow *window);
+
+
static GtkFileFilter *
add_filter (GtkFileChooser *chooser, const char *name, const char *pattern)
{
g_signal_connect_swapped (get_action_assert (xml, "file_export"), "activate",
G_CALLBACK (psppire_output_window_export), window);
+
+ g_signal_connect_swapped (get_action_assert (xml, "file_print"), "activate",
+ G_CALLBACK (psppire_output_window_print), window);
+
g_object_unref (xml);
g_signal_connect (window, "delete-event",
"description", _("Output Viewer"),
NULL));
}
+
+
+\f
+static void
+create_xr_print_driver (GtkPrintContext *context, PsppireOutputWindow *window)
+{
+ struct string_map options;
+ GtkPageSetup *page_setup;
+ double width, height;
+ double left_margin;
+ double right_margin;
+ double top_margin;
+ double bottom_margin;
+
+ page_setup = gtk_print_context_get_page_setup (context);
+ width = gtk_page_setup_get_paper_width (page_setup, GTK_UNIT_MM);
+ height = gtk_page_setup_get_paper_height (page_setup, GTK_UNIT_MM);
+ left_margin = gtk_page_setup_get_left_margin (page_setup, GTK_UNIT_MM);
+ right_margin = gtk_page_setup_get_right_margin (page_setup, GTK_UNIT_MM);
+ top_margin = gtk_page_setup_get_top_margin (page_setup, GTK_UNIT_MM);
+ bottom_margin = gtk_page_setup_get_bottom_margin (page_setup, GTK_UNIT_MM);
+
+ string_map_init (&options);
+ string_map_insert_nocopy (&options, xstrdup ("paper-size"),
+ xasprintf("%.2fx%.2fmm", width, height));
+ string_map_insert_nocopy (&options, xstrdup ("left-margin"),
+ xasprintf ("%.2fmm", left_margin));
+ string_map_insert_nocopy (&options, xstrdup ("right-margin"),
+ xasprintf ("%.2fmm", right_margin));
+ string_map_insert_nocopy (&options, xstrdup ("top-margin"),
+ xasprintf ("%.2fmm", top_margin));
+ string_map_insert_nocopy (&options, xstrdup ("bottom-margin"),
+ xasprintf ("%.2fmm", bottom_margin));
+
+ window->print_xrd =
+ xr_driver_create (gtk_print_context_get_cairo_context (context), &options);
+
+ string_map_destroy (&options);
+}
+
+static gboolean
+paginate (GtkPrintOperation *operation,
+ GtkPrintContext *context,
+ PsppireOutputWindow *window)
+{
+ g_print ("%s\n", __FUNCTION__);
+
+ if ( window->print_item < window->n_items )
+ {
+ g_print ("Passing item %d\n", window->print_item);
+ xr_driver_output_item (window->print_xrd, window->items[window->print_item++]);
+ bool x = xr_driver_need_new_page (window->print_xrd);
+ if ( x )
+ {
+ g_print ("Need new page: %d\n", x);
+ xr_driver_next_page (window->print_xrd, NULL);
+ window->print_n_pages ++;
+ }
+ return FALSE;
+ }
+ else
+ {
+ g_print ("Number of pages is %d\n", window->print_n_pages);
+ gtk_print_operation_set_n_pages (operation, window->print_n_pages);
+ window->print_item = 0;
+
+ create_xr_print_driver (context, window);
+
+ return TRUE;
+ }
+}
+
+static void
+begin_print (GtkPrintOperation *operation,
+ GtkPrintContext *context,
+ PsppireOutputWindow *window)
+{
+ g_print ("%s\n", __FUNCTION__);
+
+ create_xr_print_driver (context, window);
+
+ window->print_item = 0;
+ window->print_n_pages = 1;
+}
+
+static void
+end_print (GtkPrintOperation *operation,
+ GtkPrintContext *context,
+ PsppireOutputWindow *window)
+{
+ g_print ("%s\n", __FUNCTION__);
+ // xr_driver_destroy (window->print_xrd);
+}
+
+static void
+done (GtkPrintOperation *operation,
+ GtkPrintOperationResult result,
+ gpointer user_data)
+{
+ g_print ("%s %d\n", __FUNCTION__, result);
+}
+
+
+static void
+draw_page (GtkPrintOperation *operation,
+ GtkPrintContext *context,
+ gint page_number,
+ PsppireOutputWindow *window)
+{
+ g_print ("%s: %d\n", __FUNCTION__, page_number);
+
+ xr_driver_next_page (window->print_xrd, gtk_print_context_get_cairo_context (context));
+ while ( window->print_item < window->n_items)
+ {
+ xr_driver_output_item (window->print_xrd, window->items [window->print_item++]);
+ if ( xr_driver_need_new_page (window->print_xrd) )
+ break;
+ }
+}
+
+
+static void
+psppire_output_window_print (PsppireOutputWindow *window)
+{
+ GtkPrintOperationResult res;
+
+ GtkPrintOperation *print = gtk_print_operation_new ();
+
+ if (window->print_settings != NULL)
+ gtk_print_operation_set_print_settings (print, window->print_settings);
+
+ g_signal_connect (print, "begin_print", G_CALLBACK (begin_print), window);
+ g_signal_connect (print, "end_print", G_CALLBACK (end_print), window);
+ g_signal_connect (print, "paginate", G_CALLBACK (paginate), window);
+ g_signal_connect (print, "draw_page", G_CALLBACK (draw_page), window);
+ g_signal_connect (print, "done", G_CALLBACK (done), window);
+
+ res = gtk_print_operation_run (print, GTK_PRINT_OPERATION_ACTION_PRINT_DIALOG,
+ GTK_WINDOW (window), NULL);
+
+ if (res == GTK_PRINT_OPERATION_RESULT_APPLY)
+ {
+ if (window->print_settings != NULL)
+ g_object_unref (window->print_settings);
+ window->print_settings = g_object_ref (gtk_print_operation_get_print_settings (print));
+
+ }
+
+ g_object_unref (print);
+}
projects / pspp-builds.git / commitdiff