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Add ability to print in number-up mode for file backend and lpr backend

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GtkPrintOperation is now able to render multiple pages per sheet by its
own. The most important changes are in these functions:
  * increment_page_sequence
  * prepare_data
  * common_render_page
  * print_pages_idle
Patch also changes set of choices for 2 pages per sheet mode when
landscape orientation is used to "Top to bottom" and "Bottom to top".
This commit is contained in:
Marek Kasik
2009-05-13 18:28:42 +02:00
parent 26c10075f9
commit 91190ce281
10 changed files with 462 additions and 82 deletions
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24
gtk/gtkprintoperation-unix.c
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@ -87,10 +87,14 @@ unix_start_page (GtkPrintOperation *op,
type = cairo_surface_get_type (op_unix->surface);
if (type == CAIRO_SURFACE_TYPE_PS)
cairo_ps_surface_set_size (op_unix->surface, w, h);
else if (type == CAIRO_SURFACE_TYPE_PDF)
cairo_pdf_surface_set_size (op_unix->surface, w, h);
if ((op->priv->manual_number_up < 2) ||
(op->priv->page_position % op->priv->manual_number_up == 0))
{
if (type == CAIRO_SURFACE_TYPE_PS)
cairo_ps_surface_set_size (op_unix->surface, w, h);
else if (type == CAIRO_SURFACE_TYPE_PDF)
cairo_pdf_surface_set_size (op_unix->surface, w, h);
}
}
static void
@ -100,7 +104,11 @@ unix_end_page (GtkPrintOperation *op,
cairo_t *cr;
cr = gtk_print_context_get_cairo_context (print_context);
cairo_show_page (cr);
if ((op->priv->manual_number_up < 2) ||
((op->priv->page_position + 1) % op->priv->manual_number_up == 0) ||
(op->priv->page_position == op->priv->nr_of_pages_to_print - 1))
cairo_show_page (cr);
}
static void
@ -399,7 +407,9 @@ get_print_dialog (GtkPrintOperation *op,
GTK_PRINT_CAPABILITY_COLLATE |
GTK_PRINT_CAPABILITY_REVERSE |
GTK_PRINT_CAPABILITY_SCALE |
GTK_PRINT_CAPABILITY_PREVIEW);
GTK_PRINT_CAPABILITY_PREVIEW |
GTK_PRINT_CAPABILITY_NUMBER_UP |
GTK_PRINT_CAPABILITY_NUMBER_UP_LAYOUT);
if (priv->print_settings)
gtk_print_unix_dialog_set_settings (GTK_PRINT_UNIX_DIALOG (pd),
@ -523,6 +533,8 @@ finish_print (PrintResponseData *rdata,
priv->manual_page_set = job->page_set;
priv->manual_scale = job->scale;
priv->manual_orientation = job->rotate_to_orientation;
priv->manual_number_up = job->number_up;
priv->manual_number_up_layout = job->number_up_layout;
}
}
out: