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/*
* This test program tests drawing a PangoLayout to a Postscript or PDF file
*
* Assembled from other tests by Owen Taylor <otaylor@redhat.com>
*/
#include <libgnomeprint/gnome-print.h>
#include <libgnomeprint/gnome-print-job.h>
#include <libgnomeprint/gnome-print-pango.h>
#define TOP_MARGIN 36.
#define LEFT_MARGIN 72.
#define RIGHT_MARGIN 72.
static char *prog_name;
static const char *input_file;
static char *text;
static int len;
static gchar* options_font = NULL;
static gboolean options_markup = FALSE;
static gchar* options_output = NULL;
static gboolean options_pdf = FALSE;
static gint options_rotate = 0;
static gchar** args = NULL;
double page_width, page_height;
double margin_left, margin_right, margin_top, margin_bottom;
static const GOptionEntry options[] = {
{ "markup", 'm', 0, G_OPTION_ARG_NONE, &options_markup,
"Input uses Pango markup", NULL},
{ "font", 'f', 0, G_OPTION_ARG_STRING, &options_font,
"Specify the font", "FONT"},
{ "output", 'o', 0, G_OPTION_ARG_FILENAME, &options_output,
"Specify the output file", "FILE"},
{ "pdf", 'p', 0, G_OPTION_ARG_NONE, &options_pdf,
"Generate a pdf file instead of a Postscript one", NULL},
{ "rotate", 'r', 0, G_OPTION_ARG_INT, &options_rotate,
"Angle at which to rotate results", "ANGLE"},
{ G_OPTION_REMAINING, '\0', 0, G_OPTION_ARG_FILENAME_ARRAY, &args,
NULL, NULL},
{ NULL }
};
static void
fail (const char *format, ...)
{
const char *msg;
va_list vap;
va_start (vap, format);
msg = g_strdup_vprintf (format, vap);
g_printerr ("%s: %s\n", prog_name, msg);
exit (1);
}
static void
my_draw (GnomePrintContext *gpc)
{
PangoLayout *layout;
int width, height;
gnome_print_beginpage (gpc, "1");
layout = gnome_print_pango_create_layout (gpc);
if (options_font) {
PangoFontDescription *desc = pango_font_description_from_string (options_font);
pango_layout_set_font_description (layout, desc);
pango_font_description_free (desc);
}
pango_layout_set_width (layout, (page_width - LEFT_MARGIN - RIGHT_MARGIN) * PANGO_SCALE);
if (options_markup)
pango_layout_set_markup (layout, text, len);
else
pango_layout_set_text (layout, text, len);
pango_layout_get_size (layout, &width, &height);
gnome_print_translate (gpc, page_width / 2, page_height / 2);
gnome_print_rotate (gpc, options_rotate);
gnome_print_translate (gpc,
- (double) width / (2 * PANGO_SCALE), (double) height / (2 * PANGO_SCALE));
gnome_print_moveto (gpc, 0, 0);
gnome_print_pango_layout (gpc, layout);
g_object_unref (layout);
gnome_print_showpage (gpc);
}
static void
my_print (void)
{
GnomePrintJob *job;
GnomePrintContext *gpc;
GnomePrintConfig *config;
gchar *out_file;
job = gnome_print_job_new (NULL);
gpc = gnome_print_job_get_context (job);
config = gnome_print_job_get_config (job);
if (options_pdf) {
if (!gnome_print_config_set (config, "Printer", "PDF"))
fail ("Could not set the printer to PDF\n");
} else {
gnome_print_config_set (config, "Printer", "GENERIC");
}
out_file = options_output ? g_strdup (options_output) : g_strdup_printf ("o.%s", options_pdf ? "pdf" : "ps");
gnome_print_job_print_to_file (job, out_file);
g_free (out_file);
gnome_print_config_set (config, GNOME_PRINT_KEY_PAPER_SIZE, "USLetter");
/* Layout size */
gnome_print_job_get_page_size (job, &page_width, &page_height);
my_draw (gpc);
gnome_print_job_close (job);
gnome_print_job_print (job);
g_object_unref (G_OBJECT (config));
g_object_unref (G_OBJECT (gpc));
g_object_unref (G_OBJECT (job));
}
static void
usage (gchar *error)
{
g_printerr ("Error: %s\n\n", error);
g_printerr ("Run '%s --help' to see a full list of available command line options.\n", prog_name);
exit (-1);
}
int
main (int argc, char * argv[])
{
GOptionContext *goption_context;
GError *error = NULL;
int ret;
g_type_init ();
prog_name = g_path_get_basename (argv[0]);
goption_context = g_option_context_new ("INPUT_FILE");
g_option_context_add_main_entries (goption_context, options, NULL);
g_option_context_parse (goption_context, &argc, &argv, &error);
g_option_context_free (goption_context);
if (error != NULL)
usage (error->message);
if (!args || !args[0])
usage ("Input file not specified");
input_file = args[0];
if (!g_file_get_contents (input_file, &text, &len, &error))
fail ("%s\n", error->message);
if (!g_utf8_validate (text, len, NULL))
fail ("Text is not valid UTF-8");
/* Make sure we have valid markup
*/
if (options_markup &&
!pango_parse_markup (text, -1, 0, NULL, NULL, NULL, &error))
fail ("Cannot parse input as markup: %s", error->message);
my_print ();
return 0;
}
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