913 lines
24 KiB
C
913 lines
24 KiB
C
/*
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* Copyright (C) 1995 Spencer Kimball and Peter Mattis
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*
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* This is a plug-in for PIKA.
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*
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* Generates images containing vector type drawings.
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*
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* Copyright (C) 1997 Andy Thomas alt@picnic.demon.co.uk
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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 <stdlib.h>
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#include <errno.h>
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#ifdef HAVE_UNISTD_H
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#include <unistd.h>
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#endif
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#include <glib/gstdio.h>
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#include <libpika/pika.h>
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#include <libpika/pikaui.h>
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#include "gfig.h"
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#include "gfig-style.h"
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#include "gfig-dialog.h"
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#include "gfig-arc.h"
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#include "gfig-bezier.h"
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#include "gfig-circle.h"
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#include "gfig-dobject.h"
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#include "gfig-ellipse.h"
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#include "gfig-grid.h"
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#include "gfig-icons.h"
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#include "gfig-line.h"
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#include "gfig-poly.h"
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#include "gfig-preview.h"
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#include "gfig-spiral.h"
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#include "gfig-star.h"
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#include "libpika/stdplugins-intl.h"
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#define GFIG_HEADER "GFIG Version 0.2\n"
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GType gfig_get_type (void) G_GNUC_CONST;
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static void pika_gfig_finalize (GObject *object);
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static GList * gfig_query_procedures (PikaPlugIn *plug_in);
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static PikaProcedure * gfig_create_procedure (PikaPlugIn *plug_in,
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const gchar *name);
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static PikaValueArray * gfig_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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PikaProcedureConfig *config,
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gpointer run_data);
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static void on_app_activate (GApplication *gapp,
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gpointer user_data);
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static gint load_options (GFigObj *gfig,
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FILE *fp);
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G_DEFINE_TYPE (PikaGfig, pika_gfig, PIKA_TYPE_PLUG_IN)
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PIKA_MAIN (PIKA_TYPE_GFIG)
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DEFINE_STD_SET_I18N
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gint line_no;
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gint obj_show_single = -1; /* -1 all >= 0 object number */
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/* Structures etc for the objects */
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/* Points used to draw the object */
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GfigObject *obj_creating; /* Object we are creating */
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GfigObject *tmp_line; /* Needed when drawing lines */
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gboolean need_to_scale;
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/* globals */
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GfigObjectClass dobj_class[10];
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GFigContext *gfig_context;
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GtkWidget *top_level_dlg;
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GList *gfig_list;
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gdouble org_scale_x_factor, org_scale_y_factor;
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/* Stuff for the preview bit */
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static gint sel_x, sel_y;
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static gint sel_width, sel_height;
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gint preview_width, preview_height;
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gdouble scale_x_factor, scale_y_factor;
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GdkPixbuf *back_pixbuf = NULL;
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static void
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pika_gfig_class_init (PikaGfigClass *klass)
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{
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PikaPlugInClass *plug_in_class = PIKA_PLUG_IN_CLASS (klass);
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GObjectClass *object_class = G_OBJECT_CLASS (klass);
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object_class->finalize = pika_gfig_finalize;
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plug_in_class->query_procedures = gfig_query_procedures;
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plug_in_class->create_procedure = gfig_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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pika_gfig_init (PikaGfig *gfig)
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{
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}
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static void
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pika_gfig_finalize (GObject *object)
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{
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PikaGfig *gfig = PIKA_GFIG (object);
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G_OBJECT_CLASS (pika_gfig_parent_class)->finalize (object);
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g_clear_object (&gfig->builder);
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}
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static GList *
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gfig_query_procedures (PikaPlugIn *plug_in)
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{
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return g_list_append (NULL, g_strdup (PLUG_IN_PROC));
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}
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static PikaProcedure *
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gfig_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, PLUG_IN_PROC))
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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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gfig_run, NULL, NULL);
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pika_procedure_set_image_types (procedure, "RGB*, GRAY*");
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pika_procedure_set_sensitivity_mask (procedure,
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PIKA_PROCEDURE_SENSITIVE_DRAWABLE);
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pika_procedure_set_menu_label (procedure, _("_Gfig..."));
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pika_procedure_add_menu_path (procedure, "<Image>/Filters/Render");
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pika_procedure_set_documentation (procedure,
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_("Create geometric shapes"),
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"Draw Vector Graphics and paint them "
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"onto your images. Gfig allows you "
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"to draw many types of objects "
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"including Lines, Circles, Ellipses, "
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"Curves, Polygons, pointed stars, "
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"Bezier curves, and Spirals. "
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"Objects can be painted using "
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"Brushes or other tools or filled "
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"using colors or patterns. "
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"Gfig objects can also be used to "
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"create selections.",
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name);
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pika_procedure_set_attribution (procedure,
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"Andy Thomas",
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"Andy Thomas",
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"1997");
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}
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return procedure;
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}
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static PikaValueArray *
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gfig_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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PikaProcedureConfig *config,
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gpointer run_data)
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{
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PikaDrawable *drawable;
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PikaPDBStatusType status = PIKA_PDB_SUCCESS;
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gint pwidth, pheight;
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PikaGfig *gfig;
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if (n_drawables != 1)
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{
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GError *error = NULL;
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g_set_error (&error, PIKA_PLUG_IN_ERROR, 0,
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_("Procedure '%s' only works with one drawable."),
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pika_procedure_get_name (procedure));
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return pika_procedure_new_return_values (procedure,
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PIKA_PDB_CALLING_ERROR,
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error);
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}
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else
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{
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drawable = drawables[0];
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}
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gfig = PIKA_GFIG (pika_procedure_get_plug_in (procedure));
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#if GLIB_CHECK_VERSION(2,74,0)
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gfig->app = gtk_application_new (NULL, G_APPLICATION_DEFAULT_FLAGS);
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#else
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gfig->app = gtk_application_new (NULL, G_APPLICATION_FLAGS_NONE);
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#endif
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gfig->success = FALSE;
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gfig->builder = gtk_builder_new_from_resource ("/technology.heckin/gfig/gfig-menu.ui");
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gfig_context = g_new0 (GFigContext, 1);
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gfig_context->show_background = TRUE;
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gfig_context->selected_obj = NULL;
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gfig_context->image = image;
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gfig_context->drawable = drawable;
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pika_image_undo_group_start (gfig_context->image);
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pika_context_push ();
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/* TMP Hack - clear any selections */
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if (! pika_selection_is_empty (gfig_context->image))
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pika_selection_none (gfig_context->image);
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if (! pika_drawable_mask_intersect (drawable, &sel_x, &sel_y,
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&sel_width, &sel_height))
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{
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pika_context_pop ();
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pika_image_undo_group_end (gfig_context->image);
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return pika_procedure_new_return_values (procedure, status, NULL);
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}
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/* Calculate preview size */
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if (sel_width > sel_height)
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{
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pwidth = MIN (sel_width, PREVIEW_SIZE);
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pheight = sel_height * pwidth / sel_width;
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}
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else
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{
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pheight = MIN (sel_height, PREVIEW_SIZE);
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pwidth = sel_width * pheight / sel_height;
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}
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preview_width = MAX (pwidth, 2); /* Min size is 2 */
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preview_height = MAX (pheight, 2);
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org_scale_x_factor = scale_x_factor =
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(gdouble) sel_width / (gdouble) preview_width;
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org_scale_y_factor = scale_y_factor =
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(gdouble) sel_height / (gdouble) preview_height;
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/* initialize */
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gfig_init_object_classes ();
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switch (run_mode)
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{
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case PIKA_RUN_INTERACTIVE:
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case PIKA_RUN_WITH_LAST_VALS:
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g_signal_connect (gfig->app, "activate", G_CALLBACK (on_app_activate), gfig);
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g_application_run (G_APPLICATION (gfig->app), 0, NULL);
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g_clear_object (&gfig->app);
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if (! gfig->success)
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{
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pika_image_undo_group_end (gfig_context->image);
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return pika_procedure_new_return_values (procedure, PIKA_PDB_CANCEL,
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NULL);
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}
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break;
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case PIKA_RUN_NONINTERACTIVE:
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status = PIKA_PDB_CALLING_ERROR;
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break;
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default:
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break;
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}
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pika_context_pop ();
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pika_image_undo_group_end (gfig_context->image);
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if (run_mode != PIKA_RUN_NONINTERACTIVE)
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pika_displays_flush ();
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return pika_procedure_new_return_values (procedure, status, NULL);
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}
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static void
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on_app_activate (GApplication *gapp,
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gpointer user_data)
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{
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PikaGfig *gfig = PIKA_GFIG (user_data);
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gfig_dialog (gfig);
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gtk_application_set_accels_for_action (gfig->app, "app.open", (const char*[]) { "<control>O", NULL });
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gtk_application_set_accels_for_action (gfig->app, "app.save", (const char*[]) { "<control>S", NULL });
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gtk_application_set_accels_for_action (gfig->app, "app.close", (const char*[]) { "<control>C", NULL });
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gtk_application_set_accels_for_action (gfig->app, "app.undo", (const char*[]) { "<control>Z", NULL });
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gtk_application_set_accels_for_action (gfig->app, "app.clear", (const char*[]) { NULL });
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gtk_application_set_accels_for_action (gfig->app, "app.grid", (const char*[]) { "<control>G", NULL });
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gtk_application_set_accels_for_action (gfig->app, "app.preferences", (const char*[]) { "<control>P", NULL });
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gtk_application_set_accels_for_action (gfig->app, "app.shape::line", (const char*[]) { "L", NULL });
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gtk_application_set_accels_for_action (gfig->app, "app.shape::rectangle", (const char*[]) { "R", NULL });
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gtk_application_set_accels_for_action (gfig->app, "app.shape::circle", (const char*[]) { "C", NULL });
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gtk_application_set_accels_for_action (gfig->app, "app.shape::ellipse", (const char*[]) { "E", NULL });
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gtk_application_set_accels_for_action (gfig->app, "app.shape::arc", (const char*[]) { "A", NULL });
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gtk_application_set_accels_for_action (gfig->app, "app.shape::polygon", (const char*[]) { "P", NULL });
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gtk_application_set_accels_for_action (gfig->app, "app.shape::star", (const char*[]) { "S", NULL });
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gtk_application_set_accels_for_action (gfig->app, "app.shape::spiral", (const char*[]) { "I", NULL });
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gtk_application_set_accels_for_action (gfig->app, "app.shape::bezier", (const char*[]) { "B", NULL });
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gtk_application_set_accels_for_action (gfig->app, "app.shape::move-obj", (const char*[]) { "M", NULL });
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gtk_application_set_accels_for_action (gfig->app, "app.shape::move-point", (const char*[]) { "V", NULL });
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gtk_application_set_accels_for_action (gfig->app, "app.shape::copy", (const char*[]) { "Y", NULL });
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gtk_application_set_accels_for_action (gfig->app, "app.shape::delete", (const char*[]) { "D", NULL });
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gtk_application_set_accels_for_action (gfig->app, "app.shape::select", (const char*[]) { "A", NULL });
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}
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/*
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Translate SPACE to "\\040", etc.
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Taken from gflare plugin
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*/
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void
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gfig_name_encode (gchar *dest,
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gchar *src)
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{
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gint cnt = MAX_LOAD_LINE - 1;
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while (*src && cnt--)
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{
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if (g_ascii_iscntrl (*src) || g_ascii_isspace (*src) || *src == '\\')
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{
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sprintf (dest, "\\%03o", *src++);
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dest += 4;
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}
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else
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*dest++ = *src++;
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}
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*dest = '\0';
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}
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/*
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Translate "\\040" to SPACE, etc.
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*/
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void
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gfig_name_decode (gchar *dest,
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const gchar *src)
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{
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gint cnt = MAX_LOAD_LINE - 1;
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guint tmp;
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while (*src && cnt--)
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{
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if (*src == '\\' && *(src+1) && *(src+2) && *(src+3))
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{
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sscanf (src+1, "%3o", &tmp);
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*dest++ = tmp;
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src += 4;
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}
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else
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*dest++ = *src++;
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}
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*dest = '\0';
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}
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/*
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* Load all gfig, which are founded in gfig-path-list, into gfig_list.
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* gfig-path-list must be initialized first. (plug_in_parse_gfig_path ())
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* based on code from Gflare.
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*/
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gint
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gfig_list_pos (GFigObj *gfig)
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{
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GFigObj *g;
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gint n;
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GList *tmp;
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n = 0;
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for (tmp = gfig_list; tmp; tmp = g_list_next (tmp))
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{
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g = tmp->data;
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if (strcmp (gfig->draw_name, g->draw_name) <= 0)
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break;
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n++;
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}
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return n;
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}
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/*
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* Insert gfigs in alphabetical order
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*/
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gint
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gfig_list_insert (GFigObj *gfig)
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{
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gint n;
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n = gfig_list_pos (gfig);
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gfig_list = g_list_insert (gfig_list, gfig, n);
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return n;
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}
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void
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gfig_free (GFigObj *gfig)
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{
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g_assert (gfig != NULL);
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free_all_objs (gfig->obj_list);
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g_free (gfig->name);
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g_free (gfig->filename);
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g_free (gfig->draw_name);
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g_free (gfig);
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}
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GFigObj *
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gfig_new (void)
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{
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return g_new0 (GFigObj, 1);
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}
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static void
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gfig_load_objs (PikaGfig *gfig,
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GFigObj *gfig_obj,
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gint load_count,
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FILE *fp)
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{
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GfigObject *obj;
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gchar load_buf[MAX_LOAD_LINE];
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glong offset;
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glong offset2;
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Style style;
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while (load_count-- > 0)
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{
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obj = NULL;
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get_line (load_buf, MAX_LOAD_LINE, fp, 0);
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/* kludge */
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offset = ftell (fp);
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gfig_skip_style (&style, fp);
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obj = d_load_object (load_buf, fp);
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if (obj)
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{
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add_to_all_obj (gfig, gfig_obj, obj);
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offset2 = ftell (fp);
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fseek (fp, offset, SEEK_SET);
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gfig_load_style (&obj->style, fp);
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fseek (fp, offset2, SEEK_SET);
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}
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else
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{
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g_message ("Failed to load object, load count = %d", load_count);
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}
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}
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}
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GFigObj *
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gfig_load (PikaGfig *gfig,
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const gchar *filename,
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const gchar *name)
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{
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GFigObj *gfig_obj;
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FILE *fp;
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gchar load_buf[MAX_LOAD_LINE];
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gchar str_buf[MAX_LOAD_LINE];
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gint chk_count;
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gint load_count = 0;
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gdouble version;
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gchar magic1[20];
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gchar magic2[20];
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g_assert (filename != NULL);
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#ifdef DEBUG
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printf ("Loading %s (%s)\n", filename, name);
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#endif /* DEBUG */
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|
|
fp = g_fopen (filename, "rb");
|
|
if (!fp)
|
|
{
|
|
g_message (_("Could not open '%s' for reading: %s"),
|
|
pika_filename_to_utf8 (filename), g_strerror (errno));
|
|
return NULL;
|
|
}
|
|
|
|
gfig_obj = gfig_new ();
|
|
|
|
gfig_obj->name = g_strdup (name);
|
|
gfig_obj->filename = g_strdup (filename);
|
|
|
|
|
|
/* HEADER
|
|
* draw_name
|
|
* version
|
|
* obj_list
|
|
*/
|
|
|
|
get_line (load_buf, MAX_LOAD_LINE, fp, 1);
|
|
|
|
sscanf (load_buf, "%10s %10s %lf", magic1, magic2, &version);
|
|
|
|
if (strcmp (magic1, "GFIG") || strcmp (magic2, "Version"))
|
|
{
|
|
g_message ("File '%s' is not a gfig file",
|
|
pika_filename_to_utf8 (gfig_obj->filename));
|
|
gfig_free (gfig_obj);
|
|
fclose (fp);
|
|
return NULL;
|
|
}
|
|
|
|
get_line (load_buf, MAX_LOAD_LINE, fp, 0);
|
|
sscanf (load_buf, "Name: %100s", str_buf);
|
|
gfig_name_decode (load_buf, str_buf);
|
|
gfig_obj->draw_name = g_strdup (load_buf);
|
|
|
|
get_line (load_buf, MAX_LOAD_LINE, fp, 0);
|
|
if (strncmp (load_buf, "Version: ", 9) == 0)
|
|
gfig_obj->version = g_ascii_strtod (load_buf + 9, NULL);
|
|
|
|
get_line (load_buf, MAX_LOAD_LINE, fp, 0);
|
|
sscanf (load_buf, "ObjCount: %d", &load_count);
|
|
|
|
if (load_options (gfig_obj, fp))
|
|
{
|
|
g_message ("File '%s' corrupt file - Line %d Option section incorrect",
|
|
pika_filename_to_utf8 (filename), line_no);
|
|
gfig_free (gfig_obj);
|
|
fclose (fp);
|
|
return NULL;
|
|
}
|
|
|
|
if (gfig_load_styles (gfig_obj, fp))
|
|
{
|
|
g_message ("File '%s' corrupt file - Line %d Option section incorrect",
|
|
pika_filename_to_utf8 (filename), line_no);
|
|
gfig_free (gfig_obj);
|
|
fclose (fp);
|
|
return NULL;
|
|
}
|
|
|
|
|
|
|
|
gfig_load_objs (gfig, gfig_obj, load_count, fp);
|
|
|
|
/* Check count ? */
|
|
|
|
chk_count = g_list_length (gfig_obj->obj_list);
|
|
|
|
if (chk_count != load_count)
|
|
{
|
|
g_message ("File '%s' corrupt file - Line %d Object count to small",
|
|
pika_filename_to_utf8 (filename), line_no);
|
|
gfig_free (gfig_obj);
|
|
fclose (fp);
|
|
return NULL;
|
|
}
|
|
|
|
fclose (fp);
|
|
|
|
if (!gfig_context->current_obj)
|
|
gfig_context->current_obj = gfig_obj;
|
|
|
|
gfig_obj->obj_status = GFIG_OK;
|
|
|
|
return gfig_obj;
|
|
}
|
|
|
|
void
|
|
save_options (GString *string)
|
|
{
|
|
/* Save options */
|
|
g_string_append_printf (string, "<OPTIONS>\n");
|
|
g_string_append_printf (string, "GridSpacing: %d\n",
|
|
selvals.opts.gridspacing);
|
|
if (selvals.opts.gridtype == RECT_GRID)
|
|
{
|
|
g_string_append_printf (string, "GridType: RECT_GRID\n");
|
|
}
|
|
else if (selvals.opts.gridtype == POLAR_GRID)
|
|
{
|
|
g_string_append_printf (string, "GridType: POLAR_GRID\n");
|
|
}
|
|
else if (selvals.opts.gridtype == ISO_GRID)
|
|
{
|
|
g_string_append_printf (string, "GridType: ISO_GRID\n");
|
|
}
|
|
else
|
|
{
|
|
/* default to RECT_GRID */
|
|
g_string_append_printf (string, "GridType: RECT_GRID\n");
|
|
}
|
|
|
|
g_string_append_printf (string, "DrawGrid: %s\n",
|
|
(selvals.opts.drawgrid) ? "TRUE" : "FALSE");
|
|
g_string_append_printf (string, "Snap2Grid: %s\n",
|
|
(selvals.opts.snap2grid) ? "TRUE" : "FALSE");
|
|
g_string_append_printf (string, "LockOnGrid: %s\n",
|
|
(selvals.opts.lockongrid) ? "TRUE" : "FALSE");
|
|
g_string_append_printf (string, "ShowControl: %s\n",
|
|
(selvals.opts.showcontrol) ? "TRUE" : "FALSE");
|
|
g_string_append_printf (string, "</OPTIONS>\n");
|
|
}
|
|
|
|
static void
|
|
gfig_save_obj_start (GfigObject *obj,
|
|
GString *string)
|
|
{
|
|
g_string_append_printf (string, "<%s ", obj->class->name);
|
|
gfig_style_save_as_attributes (&obj->style, string);
|
|
g_string_append_printf (string, ">\n");
|
|
}
|
|
|
|
static void
|
|
gfig_save_obj_end (GfigObject *obj,
|
|
GString *string)
|
|
{
|
|
g_string_append_printf (string, "</%s>\n",obj->class->name);
|
|
}
|
|
|
|
static gboolean
|
|
load_bool (gchar *opt_buf,
|
|
gint *toset)
|
|
{
|
|
if (!strcmp (opt_buf, "TRUE"))
|
|
*toset = 1;
|
|
else if (!strcmp (opt_buf, "FALSE"))
|
|
*toset = 0;
|
|
else
|
|
return TRUE;
|
|
|
|
return FALSE;
|
|
}
|
|
|
|
static gint
|
|
load_options (GFigObj *gfig,
|
|
FILE *fp)
|
|
{
|
|
gchar load_buf[MAX_LOAD_LINE];
|
|
gchar str_buf[MAX_LOAD_LINE];
|
|
gchar opt_buf[MAX_LOAD_LINE];
|
|
|
|
get_line (load_buf, MAX_LOAD_LINE, fp, 0);
|
|
|
|
#ifdef DEBUG
|
|
printf ("load '%s'\n", load_buf);
|
|
#endif /* DEBUG */
|
|
|
|
if (strcmp (load_buf, "<OPTIONS>"))
|
|
return (-1);
|
|
|
|
get_line (load_buf, MAX_LOAD_LINE, fp, 0);
|
|
|
|
#ifdef DEBUG
|
|
printf ("opt line '%s'\n", load_buf);
|
|
#endif /* DEBUG */
|
|
|
|
while (strcmp (load_buf, "</OPTIONS>"))
|
|
{
|
|
/* Get option name */
|
|
#ifdef DEBUG
|
|
printf ("num = %d\n", sscanf (load_buf, "%255s %255s", str_buf, opt_buf));
|
|
|
|
printf ("option %s val %s\n", str_buf, opt_buf);
|
|
#else
|
|
sscanf (load_buf, "%255s %255s", str_buf, opt_buf);
|
|
#endif /* DEBUG */
|
|
|
|
if (!strcmp (str_buf, "GridSpacing:"))
|
|
{
|
|
/* Value is decimal */
|
|
int sp = 0;
|
|
sp = atoi (opt_buf);
|
|
if (sp <= 0)
|
|
return (-1);
|
|
gfig->opts.gridspacing = sp;
|
|
}
|
|
else if (!strcmp (str_buf, "DrawGrid:"))
|
|
{
|
|
/* Value is bool */
|
|
if (load_bool (opt_buf, &gfig->opts.drawgrid))
|
|
return (-1);
|
|
}
|
|
else if (!strcmp (str_buf, "Snap2Grid:"))
|
|
{
|
|
/* Value is bool */
|
|
if (load_bool (opt_buf, &gfig->opts.snap2grid))
|
|
return (-1);
|
|
}
|
|
else if (!strcmp (str_buf, "LockOnGrid:"))
|
|
{
|
|
/* Value is bool */
|
|
if (load_bool (opt_buf, &gfig->opts.lockongrid))
|
|
return (-1);
|
|
}
|
|
else if (!strcmp (str_buf, "ShowControl:"))
|
|
{
|
|
/* Value is bool */
|
|
if (load_bool (opt_buf, &gfig->opts.showcontrol))
|
|
return (-1);
|
|
}
|
|
else if (!strcmp (str_buf, "GridType:"))
|
|
{
|
|
/* Value is string */
|
|
if (!strcmp (opt_buf, "RECT_GRID"))
|
|
gfig->opts.gridtype = RECT_GRID;
|
|
else if (!strcmp (opt_buf, "POLAR_GRID"))
|
|
gfig->opts.gridtype = POLAR_GRID;
|
|
else if (!strcmp (opt_buf, "ISO_GRID"))
|
|
gfig->opts.gridtype = ISO_GRID;
|
|
else
|
|
return (-1);
|
|
}
|
|
|
|
get_line (load_buf, MAX_LOAD_LINE, fp, 0);
|
|
|
|
#ifdef DEBUG
|
|
printf ("opt line '%s'\n", load_buf);
|
|
#endif /* DEBUG */
|
|
}
|
|
return (0);
|
|
}
|
|
|
|
GString *
|
|
gfig_save_as_string (void)
|
|
{
|
|
GList *objs;
|
|
gint count;
|
|
gchar buf[G_ASCII_DTOSTR_BUF_SIZE];
|
|
gchar conv_buf[MAX_LOAD_LINE * 3 + 1];
|
|
GString *string;
|
|
|
|
string = g_string_new (GFIG_HEADER);
|
|
|
|
gfig_name_encode (conv_buf, gfig_context->current_obj->draw_name);
|
|
g_string_append_printf (string, "Name: %s\n", conv_buf);
|
|
g_string_append_printf (string, "Version: %s\n",
|
|
g_ascii_formatd (buf, G_ASCII_DTOSTR_BUF_SIZE, "%f",
|
|
gfig_context->current_obj->version));
|
|
objs = gfig_context->current_obj->obj_list;
|
|
|
|
count = g_list_length (objs);
|
|
|
|
g_string_append_printf (string, "ObjCount: %d\n", count);
|
|
|
|
save_options (string);
|
|
|
|
gfig_save_styles (string);
|
|
|
|
for (objs = gfig_context->current_obj->obj_list;
|
|
objs;
|
|
objs = g_list_next (objs))
|
|
{
|
|
GfigObject *object = objs->data;
|
|
|
|
gfig_save_obj_start (object, string);
|
|
|
|
gfig_save_style (&object->style, string);
|
|
|
|
if (object->points)
|
|
d_save_object (object, string);
|
|
|
|
gfig_save_obj_end (object, string);
|
|
}
|
|
|
|
return string;
|
|
}
|
|
|
|
|
|
gboolean
|
|
gfig_save_as_parasite (void)
|
|
{
|
|
PikaParasite *parasite;
|
|
GString *string;
|
|
|
|
string = gfig_save_as_string ();
|
|
|
|
parasite = pika_parasite_new ("gfig",
|
|
PIKA_PARASITE_PERSISTENT |
|
|
PIKA_PARASITE_UNDOABLE,
|
|
string->len, string->str);
|
|
|
|
g_string_free (string, TRUE);
|
|
|
|
if (!pika_item_attach_parasite (PIKA_ITEM (gfig_context->drawable),
|
|
parasite))
|
|
{
|
|
g_message (_("Error trying to save figure as a parasite: "
|
|
"can't attach parasite to drawable."));
|
|
pika_parasite_free (parasite);
|
|
return FALSE;
|
|
}
|
|
|
|
pika_parasite_free (parasite);
|
|
return TRUE;
|
|
}
|
|
|
|
GFigObj *
|
|
gfig_load_from_parasite (PikaGfig *gfig)
|
|
{
|
|
GFile *file;
|
|
FILE *fp;
|
|
PikaParasite *parasite;
|
|
const gchar *parasite_data;
|
|
guint32 parasite_size;
|
|
GFigObj *gfig_obj;
|
|
|
|
parasite = pika_item_get_parasite (PIKA_ITEM (gfig_context->drawable),
|
|
"gfig");
|
|
if (! parasite)
|
|
return NULL;
|
|
|
|
file = pika_temp_file ("gfigtmp");
|
|
|
|
fp = g_fopen (g_file_peek_path (file), "wb");
|
|
if (! fp)
|
|
{
|
|
g_message (_("Error trying to open temporary file '%s' "
|
|
"for parasite loading: %s"),
|
|
pika_file_get_utf8_name (file), g_strerror (errno));
|
|
return NULL;
|
|
}
|
|
|
|
parasite_data = pika_parasite_get_data (parasite, ¶site_size);
|
|
fwrite (parasite_data, sizeof (guchar), parasite_size, fp);
|
|
fclose (fp);
|
|
|
|
pika_parasite_free (parasite);
|
|
|
|
gfig_obj = gfig_load (gfig, g_file_peek_path (file), "(none)");
|
|
|
|
g_file_delete (file, NULL, NULL);
|
|
|
|
g_object_unref (file);
|
|
|
|
return gfig_obj;
|
|
}
|
|
|
|
void
|
|
gfig_save_callbk (void)
|
|
{
|
|
FILE *fp;
|
|
gchar *savename;
|
|
GString *string;
|
|
|
|
savename = gfig_context->current_obj->filename;
|
|
|
|
fp = g_fopen (savename, "w+b");
|
|
|
|
if (!fp)
|
|
{
|
|
g_message (_("Could not open '%s' for writing: %s"),
|
|
pika_filename_to_utf8 (savename), g_strerror (errno));
|
|
return;
|
|
}
|
|
|
|
string = gfig_save_as_string ();
|
|
|
|
fwrite (string->str, string->len, 1, fp);
|
|
|
|
if (ferror (fp))
|
|
g_message ("Failed to write file.");
|
|
else
|
|
gfig_context->current_obj->obj_status &= ~(GFIG_MODIFIED | GFIG_READONLY);
|
|
|
|
fclose (fp);
|
|
}
|