/* GTK - The GIMP Toolkit
* testprint . c : Print example
* Copyright ( C ) 2006 , Red Hat , Inc .
*
* This library is free software ; you can redistribute it and / or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation ; either
* version 2 of the License , or ( at your option ) any later version .
*
* This library is distributed in the hope that it will be useful ,
* but WITHOUT ANY WARRANTY ; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE . See the GNU
* Lesser General Public License for more details .
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library . If not , see < http : //www.gnu.org/licenses/>.
*/
#include "config.h"
#include <math.h>
#include <pango/pangocairo.h>
#include <gtk/gtk.h>
#include "testprintfileoperation.h"
static void
request_page_setup (GtkPrintOperation *operation,
GtkPrintContext *context,
int page_nr,
GtkPageSetup *setup)
{
/* Make the second page landscape mode a5 */
if (page_nr == 1 )
{
GtkPaperSize *a5_size = gtk_paper_size_new ("iso_a5" );
gtk_page_setup_set_orientation (setup, GTK_PAGE_ORIENTATION_LANDSCAPE);
gtk_page_setup_set_paper_size (setup, a5_size);
gtk_paper_size_free (a5_size);
}
}
static void
draw_page (GtkPrintOperation *operation,
GtkPrintContext *context,
int page_nr)
{
cairo_t *cr;
PangoLayout *layout;
PangoFontDescription *desc;
cr = gtk_print_context_get_cairo_context (context);
/* Draw a red rectangle, as wide as the paper (inside the margins) */
cairo_set_source_rgb (cr, 1 .0 , 0 , 0 );
cairo_rectangle (cr, 0 , 0 , gtk_print_context_get_width (context), 50 );
cairo_fill (cr);
/* Draw some lines */
cairo_move_to (cr, 20 , 10 );
cairo_line_to (cr, 40 , 20 );
cairo_arc (cr, 60 , 60 , 20 , 0 , G_PI);
cairo_line_to (cr, 80 , 20 );
cairo_set_source_rgb (cr, 0 , 0 , 0 );
cairo_set_line_width (cr, 5 );
cairo_set_line_cap (cr, CAIRO_LINE_CAP_ROUND);
cairo_set_line_join (cr, CAIRO_LINE_JOIN_ROUND);
cairo_stroke (cr);
/* Draw some text */
layout = gtk_print_context_create_pango_layout (context);
pango_layout_set_text (layout, "Hello World! Printing is easy" , -1 );
desc = pango_font_description_from_string ("sans 28" );
pango_layout_set_font_description (layout, desc);
pango_font_description_free (desc);
cairo_move_to (cr, 30 , 20 );
pango_cairo_layout_path (cr, layout);
/* Font Outline */
cairo_set_source_rgb (cr, 0 .93 , 1 .0 , 0 .47 );
cairo_set_line_width (cr, 0 .5 );
cairo_stroke_preserve (cr);
/* Font Fill */
cairo_set_source_rgb (cr, 0 , 0 .0 , 1 .0 );
cairo_fill (cr);
g_object_unref (layout);
}
int
main (int argc, char **argv)
{
GtkPrintOperation *print;
TestPrintFileOperation *print_file;
gtk_init ();
/* Test some random drawing, with per-page paper settings */
print = gtk_print_operation_new ();
gtk_print_operation_set_n_pages (print, 2 );
gtk_print_operation_set_unit (print, GTK_UNIT_MM);
gtk_print_operation_set_export_filename (print, "test.pdf" );
g_signal_connect (print, "draw-page" , G_CALLBACK (draw_page), NULL);
g_signal_connect (print, "request-page-setup" , G_CALLBACK (request_page_setup), NULL);
gtk_print_operation_run (print, GTK_PRINT_OPERATION_ACTION_EXPORT, NULL, NULL);
/* Test subclassing of GtkPrintOperation */
print_file = test_print_file_operation_new ("testprint.c" );
test_print_file_operation_set_font_size (print_file, 12 .0 );
gtk_print_operation_set_export_filename (GTK_PRINT_OPERATION (print_file), "test2.pdf" );
gtk_print_operation_run (GTK_PRINT_OPERATION (print_file), GTK_PRINT_OPERATION_ACTION_EXPORT, NULL, NULL);
return 0 ;
}
Messung V0.5 in Prozent C=97 H=96 G=96
¤ Dauer der Verarbeitung: 0.11 Sekunden
(vorverarbeitet am 2026-07-03)
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