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gimp/plug-ins/print/print.c

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/* GIMP - The GNU Image Manipulation Program
* Copyright (C) 1995 Spencer Kimball and Peter Mattis
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "config.h"
#include <string.h>
#include <libgimp/gimp.h>
#include <libgimp/gimpui.h>
#include "print.h"
#include "print-settings.h"
#include "print-page-layout.h"
#include "print-page-setup.h"
#include "print-draw-page.h"
#include "libgimp/stdplugins-intl.h"
#define PLUG_IN_BINARY "print"
#define PLUG_IN_ROLE "gimp-print"
#define PRINT_PROC_NAME "file-print-gtk"
static void query (void);
static void run (const gchar *name,
gint nparams,
const GimpParam *param,
gint *nreturn_vals,
GimpParam **return_vals);
static GimpPDBStatusType print_image (gint32 image_ID,
gboolean interactive,
GError **error);
static void print_show_error (const gchar *message);
static void print_operation_set_name (GtkPrintOperation *operation,
gint image_ID);
static void begin_print (GtkPrintOperation *operation,
GtkPrintContext *context,
PrintData *data);
static void end_print (GtkPrintOperation *operation,
GtkPrintContext *context,
gint32 *layer_ID);
static void draw_page (GtkPrintOperation *print,
GtkPrintContext *context,
gint page_nr,
PrintData *data);
static GtkWidget * create_custom_widget (GtkPrintOperation *operation,
PrintData *data);
const GimpPlugInInfo PLUG_IN_INFO =
{
NULL, /* init_proc */
NULL, /* quit_proc */
query, /* query_proc */
run, /* run_proc */
};
MAIN ()
static void
query (void)
{
static const GimpParamDef print_args[] =
{
{ GIMP_PDB_INT32, "run-mode", "The run mode { RUN-INTERACTIVE (0) }" },
{ GIMP_PDB_IMAGE, "image", "Image to print" }
};
gimp_install_procedure (PRINT_PROC_NAME,
N_("Print the image"),
"Print the image using the GTK+ Print API.",
"Bill Skaggs, Sven Neumann, Stefan Röllin",
"Bill Skaggs <weskaggs@primate.ucdavis.edu>",
"2006 - 2008",
N_("_Print..."),
"*",
GIMP_PLUGIN,
G_N_ELEMENTS (print_args), 0,
print_args, NULL);
gimp_plugin_menu_register (PRINT_PROC_NAME, "<Image>/File/Send");
gimp_plugin_icon_register (PRINT_PROC_NAME, GIMP_ICON_TYPE_STOCK_ID,
(const guint8 *) GTK_STOCK_PRINT);
}
static void
run (const gchar *name,
gint nparams,
const GimpParam *param,
gint *nreturn_vals,
GimpParam **return_vals)
{
static GimpParam values[2];
GimpRunMode run_mode;
GimpPDBStatusType status;
gint32 image_ID;
GError *error = NULL;
run_mode = param[0].data.d_int32;
INIT_I18N ();
*nreturn_vals = 1;
*return_vals = values;
g_thread_init (NULL);
values[0].type = GIMP_PDB_STATUS;
values[0].data.d_status = GIMP_PDB_EXECUTION_ERROR;
image_ID = param[1].data.d_int32;
if (strcmp (name, PRINT_PROC_NAME) == 0)
{
status = print_image (image_ID, run_mode == GIMP_RUN_INTERACTIVE, &error);
if (error && run_mode == GIMP_RUN_INTERACTIVE)
{
print_show_error (error->message);
}
}
else
{
status = GIMP_PDB_CALLING_ERROR;
}
if (status != GIMP_PDB_SUCCESS && error)
{
*nreturn_vals = 2;
values[1].type = GIMP_PDB_STRING;
values[1].data.d_string = error->message;
}
values[0].data.d_status = status;
}
static GimpPDBStatusType
print_image (gint32 image_ID,
gboolean interactive,
GError **error)
{
GtkPrintOperation *operation;
GtkPrintOperationResult result;
gint32 layer;
PrintData data;
/* create a print layer from the projection */
layer = gimp_layer_new_from_visible (image_ID, image_ID, PRINT_PROC_NAME);
operation = gtk_print_operation_new ();
gtk_print_operation_set_n_pages (operation, 1);
print_operation_set_name (operation, image_ID);
print_page_setup_load (operation, image_ID);
/* fill in the PrintData struct */
data.image_id = image_ID;
data.drawable_id = layer;
data.unit = gimp_get_default_unit ();
data.image_unit = gimp_image_get_unit (image_ID);
data.offset_x = 0;
data.offset_y = 0;
data.center = CENTER_BOTH;
data.use_full_page = FALSE;
data.draw_crop_marks = FALSE;
data.operation = operation;
gimp_image_get_resolution (image_ID, &data.xres, &data.yres);
print_settings_load (&data);
gtk_print_operation_set_unit (operation, GTK_UNIT_PIXEL);
g_signal_connect (operation, "begin-print",
G_CALLBACK (begin_print),
&data);
g_signal_connect (operation, "draw-page",
G_CALLBACK (draw_page),
&data);
g_signal_connect (operation, "end-print",
G_CALLBACK (end_print),
&layer);
if (interactive)
{
gimp_ui_init (PLUG_IN_BINARY, FALSE);
g_signal_connect_swapped (operation, "end-print",
G_CALLBACK (print_settings_save),
&data);
g_signal_connect (operation, "create-custom-widget",
G_CALLBACK (create_custom_widget),
&data);
gtk_print_operation_set_custom_tab_label (operation, _("Image Settings"));
gtk_print_operation_set_embed_page_setup (operation, TRUE);
result = gtk_print_operation_run (operation,
GTK_PRINT_OPERATION_ACTION_PRINT_DIALOG,
NULL, error);
if (result == GTK_PRINT_OPERATION_RESULT_APPLY ||
result == GTK_PRINT_OPERATION_RESULT_IN_PROGRESS)
{
print_page_setup_save (operation, image_ID);
}
}
else
{
result = gtk_print_operation_run (operation,
GTK_PRINT_OPERATION_ACTION_PRINT,
NULL, error);
}
g_object_unref (operation);
if (gimp_item_is_valid (layer))
gimp_item_delete (layer);
switch (result)
{
case GTK_PRINT_OPERATION_RESULT_APPLY:
case GTK_PRINT_OPERATION_RESULT_IN_PROGRESS:
return GIMP_PDB_SUCCESS;
case GTK_PRINT_OPERATION_RESULT_CANCEL:
return GIMP_PDB_CANCEL;
case GTK_PRINT_OPERATION_RESULT_ERROR:
return GIMP_PDB_EXECUTION_ERROR;
}
return GIMP_PDB_EXECUTION_ERROR;
}
static void
print_show_error (const gchar *message)
{
GtkWidget *dialog;
dialog = gtk_message_dialog_new (NULL, 0,
GTK_MESSAGE_ERROR,
GTK_BUTTONS_OK,
"%s",
_("An error occurred while trying to print:"));
gtk_message_dialog_format_secondary_text (GTK_MESSAGE_DIALOG (dialog),
"%s", message);
gtk_dialog_run (GTK_DIALOG (dialog));
gtk_widget_destroy (dialog);
}
static void
print_operation_set_name (GtkPrintOperation *operation,
gint image_ID)
{
gchar *name = gimp_image_get_name (image_ID);
gtk_print_operation_set_job_name (operation, name);
g_free (name);
}
static void
begin_print (GtkPrintOperation *operation,
GtkPrintContext *context,
PrintData *data)
{
gtk_print_operation_set_use_full_page (operation, data->use_full_page);
gimp_progress_init (_("Printing"));
}
static void
end_print (GtkPrintOperation *operation,
GtkPrintContext *context,
gint32 *layer_ID)
{
/* we don't need the print layer any longer, delete it */
if (gimp_item_is_valid (*layer_ID))
{
gimp_item_delete (*layer_ID);
*layer_ID = -1;
}
gimp_progress_end ();
/* generate events to solve the problems described in bug #466928 */
g_timeout_add_seconds (1, (GSourceFunc) gtk_true, NULL);
}
static void
draw_page (GtkPrintOperation *operation,
GtkPrintContext *context,
gint page_nr,
PrintData *data)
{
print_draw_page (context, data);
gimp_progress_update (1.0);
}
/*
* This callback creates a "custom" widget that gets inserted into the
* print operation dialog.
*/
static GtkWidget *
create_custom_widget (GtkPrintOperation *operation,
PrintData *data)
{
return print_page_layout_gui (data, PRINT_PROC_NAME);
}
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