563 lines
17 KiB
C
563 lines
17 KiB
C
/* PIKA - Photo and Image Kooker Application
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* a rebranding of The GNU Image Manipulation Program (created with heckimp)
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* A derived work which may be trivial. However, any changes may be (C)2023 by Aldercone Studio
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*
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* Original copyright, applying to most contents (license remains unchanged):
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* Copyright (C) 1995 Spencer Kimball and Peter Mattis
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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#include "config.h"
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#include <string.h>
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#include <libpika/pika.h>
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#include <libpika/pikaui.h>
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#include "print.h"
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#include "print-settings.h"
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#include "print-page-layout.h"
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#include "print-page-setup.h"
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#include "print-draw-page.h"
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#include "libpika/stdplugins-intl.h"
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#define PLUG_IN_BINARY "print"
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#define PLUG_IN_ROLE "pika-print"
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#define PRINT_PROC_NAME "file-print-gtk"
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#ifndef EMBED_PAGE_SETUP
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#define PAGE_SETUP_PROC_NAME "file-print-gtk-page-setup"
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#define PRINT_TEMP_PROC_NAME "file-print-gtk-page-setup-notify-temp"
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#endif
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G_DEFINE_QUARK (pika-plugin-print-error-quark, pika_plugin_print_error)
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typedef struct _Print Print;
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typedef struct _PrintClass PrintClass;
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struct _Print
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{
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PikaPlugIn parent_instance;
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};
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struct _PrintClass
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{
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PikaPlugInClass parent_class;
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};
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#define PRINT_TYPE (print_get_type ())
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#define PRINT (obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), PRINT_TYPE, Print))
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GType print_get_type (void) G_GNUC_CONST;
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static GList * print_query_procedures (PikaPlugIn *plug_in);
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static PikaProcedure * print_create_procedure (PikaPlugIn *plug_in,
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const gchar *name);
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static PikaValueArray * print_run (PikaProcedure *procedure,
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PikaRunMode run_mode,
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PikaImage *image,
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gint n_drawables,
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PikaDrawable **drawables,
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const PikaValueArray *args,
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gpointer run_data);
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static PikaPDBStatusType print_image (PikaImage *image,
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gboolean interactive,
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GError **error);
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#ifndef EMBED_PAGE_SETUP
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static PikaPDBStatusType page_setup (PikaImage *image);
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#endif
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static void print_show_error (const gchar *message);
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static void print_operation_set_name (GtkPrintOperation *operation,
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PikaImage *image);
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static void begin_print (GtkPrintOperation *operation,
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GtkPrintContext *context,
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PrintData *data);
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static void end_print (GtkPrintOperation *operation,
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GtkPrintContext *context,
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PikaLayer **layer);
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static void draw_page (GtkPrintOperation *print,
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GtkPrintContext *context,
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gint page_nr,
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PrintData *data);
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static GtkWidget * create_custom_widget (GtkPrintOperation *operation,
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PrintData *data);
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#ifndef EMBED_PAGE_SETUP
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static gchar * print_temp_proc_name (PikaImage *image);
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static gchar * print_temp_proc_install (PikaImage *image);
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/* Keep a reference to the current GtkPrintOperation
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* for access by the temporary procedure.
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*/
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static GtkPrintOperation *print_operation = NULL;
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#endif
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G_DEFINE_TYPE (Print, print, PIKA_TYPE_PLUG_IN)
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PIKA_MAIN (PRINT_TYPE)
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DEFINE_STD_SET_I18N
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static void
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print_class_init (PrintClass *klass)
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{
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PikaPlugInClass *plug_in_class = PIKA_PLUG_IN_CLASS (klass);
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plug_in_class->query_procedures = print_query_procedures;
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plug_in_class->create_procedure = print_create_procedure;
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plug_in_class->set_i18n = STD_SET_I18N;
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}
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static void
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print_init (Print *print)
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{
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}
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static GList *
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print_query_procedures (PikaPlugIn *plug_in)
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{
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GList *list = NULL;
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list = g_list_append (list, g_strdup (PRINT_PROC_NAME));
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#ifndef EMBED_PAGE_SETUP
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list = g_list_append (list, g_strdup (PAGE_SETUP_PROC_NAME));
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#endif
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return list;
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}
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static PikaProcedure *
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print_create_procedure (PikaPlugIn *plug_in,
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const gchar *name)
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{
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PikaProcedure *procedure = NULL;
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if (! strcmp (name, PRINT_PROC_NAME))
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{
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procedure = pika_image_procedure_new (plug_in, name,
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PIKA_PDB_PROC_TYPE_PLUGIN,
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print_run, NULL, NULL);
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pika_procedure_set_image_types (procedure, "*");
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pika_procedure_set_sensitivity_mask (procedure,
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PIKA_PROCEDURE_SENSITIVE_DRAWABLE |
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PIKA_PROCEDURE_SENSITIVE_DRAWABLES |
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PIKA_PROCEDURE_SENSITIVE_NO_DRAWABLES);
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pika_procedure_set_menu_label (procedure, _("_Print..."));
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pika_procedure_set_icon_name (procedure, PIKA_ICON_DOCUMENT_PRINT);
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pika_procedure_add_menu_path (procedure, "<Image>/File/[Send]");
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pika_procedure_set_documentation (procedure,
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_("Print the image"),
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"Print the image using the "
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"GTK+ Print API.",
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name);
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pika_procedure_set_attribution (procedure,
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"Bill Skaggs, Sven Neumann, Stefan Röllin",
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"Bill Skaggs <weskaggs@primate.ucdavis.edu>",
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"2006 - 2008");
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}
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#ifndef EMBED_PAGE_SETUP
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else if (! strcmp (name, PAGE_SETUP_PROC_NAME))
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{
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procedure = pika_image_procedure_new (plug_in, name,
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PIKA_PDB_PROC_TYPE_PLUGIN,
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print_run, NULL, NULL);
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pika_procedure_set_image_types (procedure, "*");
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pika_procedure_set_menu_label (procedure, _("Page Set_up..."));
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pika_procedure_set_icon_name (procedure, PIKA_ICON_DOCUMENT_PAGE_SETUP);
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pika_procedure_add_menu_path (procedure, "<Image>/File/[Send]");
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pika_procedure_set_documentation (procedure,
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_("Adjust page size and orientation "
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"for printing"),
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"Adjust page size and orientation "
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"for printing the image using the "
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"GTK+ Print API.",
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name);
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pika_procedure_set_attribution (procedure,
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"Bill Skaggs, Sven Neumann, Stefan Röllin",
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"Sven Neumann <sven@gimp.org>",
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"2008");
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}
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#endif
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return procedure;
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}
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static PikaValueArray *
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print_run (PikaProcedure *procedure,
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PikaRunMode run_mode,
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PikaImage *image,
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gint n_drawables,
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PikaDrawable **drawables,
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const PikaValueArray *args,
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gpointer run_data)
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{
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PikaPDBStatusType status;
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GError *error = NULL;
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gegl_init (NULL, NULL);
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if (strcmp (pika_procedure_get_name (procedure),
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PRINT_PROC_NAME) == 0)
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{
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status = print_image (image, run_mode == PIKA_RUN_INTERACTIVE, &error);
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if (error && run_mode == PIKA_RUN_INTERACTIVE)
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{
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print_show_error (error->message);
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}
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}
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#ifndef EMBED_PAGE_SETUP
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else if (strcmp (pika_procedure_get_name (procedure),
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PAGE_SETUP_PROC_NAME) == 0)
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{
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if (run_mode == PIKA_RUN_INTERACTIVE)
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{
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status = page_setup (image);
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}
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else
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{
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status = PIKA_PDB_CALLING_ERROR;
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}
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}
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#endif
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else
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{
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status = PIKA_PDB_CALLING_ERROR;
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}
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return pika_procedure_new_return_values (procedure, status, error);
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}
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static PikaPDBStatusType
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print_image (PikaImage *image,
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gboolean interactive,
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GError **error)
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{
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GtkPrintOperation *operation;
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GtkPrintOperationResult result;
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PikaLayer *layer;
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PrintData data;
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#ifndef EMBED_PAGE_SETUP
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gchar *temp_proc;
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#endif
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/* create a print layer from the projection */
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layer = pika_layer_new_from_visible (image, image, PRINT_PROC_NAME);
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operation = gtk_print_operation_new ();
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gtk_print_operation_set_n_pages (operation, 1);
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print_operation_set_name (operation, image);
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print_page_setup_load (operation, image);
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/* fill in the PrintData struct */
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data.image = image;
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data.drawable = PIKA_DRAWABLE (layer);
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data.unit = pika_get_default_unit ();
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data.image_unit = pika_image_get_unit (image);
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data.offset_x = 0;
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data.offset_y = 0;
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data.center = CENTER_BOTH;
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data.use_full_page = FALSE;
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data.draw_crop_marks = FALSE;
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data.operation = operation;
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pika_image_get_resolution (image, &data.xres, &data.yres);
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print_settings_load (&data);
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gtk_print_operation_set_unit (operation, GTK_UNIT_PIXEL);
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g_signal_connect (operation, "begin-print",
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G_CALLBACK (begin_print),
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&data);
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g_signal_connect (operation, "draw-page",
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G_CALLBACK (draw_page),
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&data);
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g_signal_connect (operation, "end-print",
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G_CALLBACK (end_print),
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&layer);
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#ifndef EMBED_PAGE_SETUP
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print_operation = operation;
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temp_proc = print_temp_proc_install (image);
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pika_plug_in_extension_enable (pika_get_plug_in ());
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#endif
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if (interactive)
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{
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pika_ui_init (PLUG_IN_BINARY);
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g_signal_connect_swapped (operation, "end-print",
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G_CALLBACK (print_settings_save),
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&data);
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g_signal_connect (operation, "create-custom-widget",
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G_CALLBACK (create_custom_widget),
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&data);
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gtk_print_operation_set_custom_tab_label (operation, _("Image Settings"));
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#ifdef EMBED_PAGE_SETUP
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gtk_print_operation_set_embed_page_setup (operation, TRUE);
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#endif
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result = gtk_print_operation_run (operation,
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GTK_PRINT_OPERATION_ACTION_PRINT_DIALOG,
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NULL, error);
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if (result == GTK_PRINT_OPERATION_RESULT_APPLY ||
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result == GTK_PRINT_OPERATION_RESULT_IN_PROGRESS)
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{
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print_page_setup_save (operation, image);
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}
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}
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else
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{
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result = gtk_print_operation_run (operation,
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GTK_PRINT_OPERATION_ACTION_PRINT,
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NULL, error);
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}
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#ifndef EMBED_PAGE_SETUP
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pika_plug_in_remove_temp_procedure (pika_get_plug_in (), temp_proc);
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g_free (temp_proc);
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print_operation = NULL;
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#endif
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g_object_unref (operation);
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if (pika_item_is_valid (PIKA_ITEM (layer)))
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pika_item_delete (PIKA_ITEM (layer));
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switch (result)
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{
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case GTK_PRINT_OPERATION_RESULT_APPLY:
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case GTK_PRINT_OPERATION_RESULT_IN_PROGRESS:
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return PIKA_PDB_SUCCESS;
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case GTK_PRINT_OPERATION_RESULT_CANCEL:
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return PIKA_PDB_CANCEL;
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case GTK_PRINT_OPERATION_RESULT_ERROR:
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return PIKA_PDB_EXECUTION_ERROR;
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}
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return PIKA_PDB_EXECUTION_ERROR;
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}
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#ifndef EMBED_PAGE_SETUP
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static PikaPDBStatusType
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page_setup (PikaImage *image)
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{
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GtkPrintOperation *operation;
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PikaValueArray *return_vals;
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gchar *name;
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pika_ui_init (PLUG_IN_BINARY);
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operation = gtk_print_operation_new ();
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print_page_setup_load (operation, image);
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print_page_setup_dialog (operation);
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print_page_setup_save (operation, image);
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g_object_unref (operation);
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/* now notify a running print procedure about this change */
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name = print_temp_proc_name (image);
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/* we don't want the core to show an error message if the
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* temporary procedure does not exist
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*/
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pika_plug_in_set_pdb_error_handler (pika_get_plug_in (),
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PIKA_PDB_ERROR_HANDLER_PLUGIN);
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return_vals = pika_pdb_run_procedure (pika_get_pdb (),
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name,
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PIKA_TYPE_IMAGE, image,
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G_TYPE_NONE);
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pika_value_array_unref (return_vals);
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g_free (name);
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return PIKA_PDB_SUCCESS;
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}
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#endif
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static void
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print_show_error (const gchar *message)
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{
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GtkWidget *dialog;
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dialog = gtk_message_dialog_new (NULL, 0,
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GTK_MESSAGE_ERROR,
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GTK_BUTTONS_OK,
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"%s",
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_("An error occurred while trying to print:"));
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gtk_message_dialog_format_secondary_text (GTK_MESSAGE_DIALOG (dialog),
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"%s", message);
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gtk_dialog_run (GTK_DIALOG (dialog));
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gtk_widget_destroy (dialog);
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}
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static void
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print_operation_set_name (GtkPrintOperation *operation,
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PikaImage *image)
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{
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gchar *name = pika_image_get_name (image);
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gtk_print_operation_set_job_name (operation, name);
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g_free (name);
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}
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static void
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begin_print (GtkPrintOperation *operation,
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GtkPrintContext *context,
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PrintData *data)
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{
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gtk_print_operation_set_use_full_page (operation, data->use_full_page);
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pika_progress_init (_("Printing"));
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}
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static void
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end_print (GtkPrintOperation *operation,
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GtkPrintContext *context,
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PikaLayer **layer)
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{
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/* we don't need the print layer any longer, delete it */
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if (pika_item_is_valid (PIKA_ITEM (*layer)))
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{
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pika_item_delete (PIKA_ITEM (*layer));
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*layer = NULL;
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}
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pika_progress_end ();
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/* generate events to solve the problems described in bug #466928 */
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g_timeout_add_seconds (1, (GSourceFunc) gtk_true, NULL);
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}
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static void
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draw_page (GtkPrintOperation *operation,
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GtkPrintContext *context,
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gint page_nr,
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PrintData *data)
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{
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GError *error = NULL;
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if (print_draw_page (context, data, &error))
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{
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pika_progress_update (1.0);
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}
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else
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{
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print_show_error (error->message);
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g_error_free (error);
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}
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}
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/*
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* This callback creates a "custom" widget that gets inserted into the
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* print operation dialog.
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*/
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static GtkWidget *
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create_custom_widget (GtkPrintOperation *operation,
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PrintData *data)
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{
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return print_page_layout_gui (data, PRINT_PROC_NAME);
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}
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#ifndef EMBED_PAGE_SETUP
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static PikaValueArray *
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print_temp_proc_run (PikaProcedure *procedure,
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const PikaValueArray *args,
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gpointer run_data)
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{
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PikaImage *image = PIKA_VALUES_GET_IMAGE (args, 0);
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if (print_operation)
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print_page_setup_load (print_operation, image);
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return pika_procedure_new_return_values (procedure, PIKA_PDB_SUCCESS, NULL);
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}
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static gchar *
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print_temp_proc_name (PikaImage *image)
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{
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return g_strdup_printf (PRINT_TEMP_PROC_NAME "-%d",
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pika_image_get_id (image));
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}
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static gchar *
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print_temp_proc_install (PikaImage *image)
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{
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PikaPlugIn *plug_in = pika_get_plug_in ();
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gchar *name = print_temp_proc_name (image);
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PikaProcedure *procedure;
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procedure = pika_procedure_new (plug_in, name,
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PIKA_PDB_PROC_TYPE_TEMPORARY,
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print_temp_proc_run, NULL, NULL);
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pika_procedure_set_documentation (procedure,
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"DON'T USE THIS ONE",
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"Temporary procedure to notify the "
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"Print plug-in about changes to the "
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"Page Setup.",
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NULL);
|
|
pika_procedure_set_attribution (procedure,
|
|
"Sven Neumann",
|
|
"Sven Neumann",
|
|
"2008");
|
|
|
|
PIKA_PROC_ARG_IMAGE (procedure, "image",
|
|
"Image",
|
|
"The image to notify about",
|
|
FALSE,
|
|
G_PARAM_READWRITE);
|
|
|
|
pika_plug_in_add_temp_procedure (plug_in, procedure);
|
|
g_object_unref (procedure);
|
|
|
|
return name;
|
|
}
|
|
#endif
|