mirror of https://github.com/GNOME/gimp.git
140 lines
3.3 KiB
C
140 lines
3.3 KiB
C
/* The GIMP -- an image manipulation program
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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 2 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, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#include "config.h"
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#include <string.h>
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#include <sys/types.h>
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#include <gtk/gtk.h>
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#include "apptypes.h"
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#include "datafiles.h"
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#include "gimpcontext.h"
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#include "gimpdatalist.h"
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#include "gimppattern.h"
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#include "gimprc.h"
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#include "patterns.h"
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#include "pattern_select.h"
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#include "temp_buf.h"
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#include "libgimp/gimpintl.h"
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/* local function prototypes */
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static void patterns_load_pattern (const gchar *filename);
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/* global variables */
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GimpContainer *global_pattern_list = NULL;
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/* static variables */
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static GimpPattern *standard_pattern = NULL;
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/* public functions */
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void
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patterns_init (gboolean no_data)
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{
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if (global_pattern_list)
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patterns_free ();
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else
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global_pattern_list = GIMP_CONTAINER (gimp_data_list_new (GIMP_TYPE_PATTERN));
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if (pattern_path != NULL && !no_data)
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{
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pattern_select_freeze_all ();
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datafiles_read_directories (pattern_path, patterns_load_pattern, 0);
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pattern_select_thaw_all ();
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}
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gimp_context_refresh_patterns ();
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}
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void
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patterns_free (void)
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{
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if (! global_pattern_list)
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return;
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pattern_select_freeze_all ();
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while (GIMP_LIST (global_pattern_list)->list)
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{
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gimp_container_remove
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(global_pattern_list,
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GIMP_OBJECT (GIMP_LIST (global_pattern_list)->list->data));
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}
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pattern_select_thaw_all ();
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}
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GimpPattern *
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patterns_get_standard_pattern (void)
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{
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if (! standard_pattern)
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{
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guchar *data;
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gint row, col;
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standard_pattern = GIMP_PATTERN (gtk_type_new (GIMP_TYPE_PATTERN));
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gimp_object_set_name (GIMP_OBJECT (standard_pattern), "Standard");
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standard_pattern->filename = NULL;
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standard_pattern->mask = temp_buf_new (32, 32, 3, 0, 0, NULL);
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data = temp_buf_data (standard_pattern->mask);
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for (row = 0; row < standard_pattern->mask->height; row++)
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for (col = 0; col < standard_pattern->mask->width; col++)
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{
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memset (data, (col % 2) && (row % 2) ? 255 : 0, 3);
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data += 3;
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}
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/* set ref_count to 2 --> never swap the standard pattern */
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gtk_object_ref (GTK_OBJECT (standard_pattern));
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gtk_object_ref (GTK_OBJECT (standard_pattern));
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gtk_object_sink (GTK_OBJECT (standard_pattern));
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}
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return standard_pattern;
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}
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static void
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patterns_load_pattern (const gchar *filename)
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{
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GimpPattern *pattern;
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g_return_if_fail (filename != NULL);
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pattern = gimp_pattern_load (filename);
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if (! pattern)
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g_message (_("Warning: Failed to load pattern\n\"%s\""), filename);
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if (pattern != NULL)
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gimp_container_add (global_pattern_list, GIMP_OBJECT (pattern));
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}
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