mirror of https://github.com/GNOME/gimp.git
319 lines
7.5 KiB
C
319 lines
7.5 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 <glib-object.h>
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#include "core-types.h"
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#include "base/temp-buf.h"
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#include "gimp.h"
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#include "gimpcontext.h"
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#include "gimptoolinfo.h"
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static void gimp_tool_info_class_init (GimpToolInfoClass *klass);
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static void gimp_tool_info_init (GimpToolInfo *tool_info);
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static void gimp_tool_info_finalize (GObject *object);
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static TempBuf * gimp_tool_info_get_new_preview (GimpViewable *viewable,
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gint width,
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gint height);
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static GimpDataClass *parent_class = NULL;
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GType
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gimp_tool_info_get_type (void)
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{
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static GType tool_info_type = 0;
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if (! tool_info_type)
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{
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static const GTypeInfo tool_info_info =
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{
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sizeof (GimpToolInfoClass),
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(GBaseInitFunc) NULL,
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(GBaseFinalizeFunc) NULL,
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(GClassInitFunc) gimp_tool_info_class_init,
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NULL, /* class_finalize */
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NULL, /* class_data */
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sizeof (GimpToolInfo),
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0, /* n_preallocs */
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(GInstanceInitFunc) gimp_tool_info_init,
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};
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tool_info_type = g_type_register_static (GIMP_TYPE_DATA,
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"GimpToolInfo",
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&tool_info_info, 0);
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}
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return tool_info_type;
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}
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static void
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gimp_tool_info_class_init (GimpToolInfoClass *klass)
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{
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GObjectClass *object_class;
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GimpViewableClass *viewable_class;
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object_class = G_OBJECT_CLASS (klass);
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viewable_class = GIMP_VIEWABLE_CLASS (klass);
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parent_class = g_type_class_peek_parent (klass);
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object_class->finalize = gimp_tool_info_finalize;
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viewable_class->get_new_preview = gimp_tool_info_get_new_preview;
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}
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void
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gimp_tool_info_init (GimpToolInfo *tool_info)
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{
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tool_info->tool_type = G_TYPE_NONE;
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tool_info->blurb = NULL;
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tool_info->help = NULL;
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tool_info->menu_path = NULL;
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tool_info->menu_accel = NULL;
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tool_info->help_domain = NULL;
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tool_info->help_data = NULL;
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tool_info->stock_id = NULL;
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tool_info->stock_pixbuf = NULL;
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tool_info->context = NULL;
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tool_info->tool_options = NULL;
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}
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static void
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gimp_tool_info_finalize (GObject *object)
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{
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GimpToolInfo *tool_info;
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tool_info = (GimpToolInfo *) object;
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if (tool_info->blurb)
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{
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g_free (tool_info->blurb);
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tool_info->blurb = NULL;
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}
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if (tool_info->help)
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{
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g_free (tool_info->help);
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tool_info->blurb = NULL;
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}
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if (tool_info->menu_path)
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{
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g_free (tool_info->menu_path);
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tool_info->menu_path = NULL;
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}
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if (tool_info->menu_accel)
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{
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g_free (tool_info->menu_accel);
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tool_info->menu_accel = NULL;
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}
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if (tool_info->help_domain)
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{
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g_free (tool_info->help_domain);
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tool_info->help_domain = NULL;
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}
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if (tool_info->help_data)
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{
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g_free (tool_info->help_data);
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tool_info->help_data = NULL;
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}
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if (tool_info->stock_pixbuf)
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{
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g_object_unref (G_OBJECT (tool_info->stock_pixbuf));
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tool_info->stock_pixbuf = NULL;
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}
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G_OBJECT_CLASS (parent_class)->finalize (object);
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}
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static TempBuf *
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temp_buf_new_from_pixbuf (GdkPixbuf *pixbuf,
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gint width,
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gint height)
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{
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TempBuf *temp_buf;
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gint pixbuf_width;
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gint pixbuf_height;
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guchar transparent[4] = { 0, 0, 0, 0 };
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guchar *p_data;
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guchar *t_data;
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guchar *p;
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guchar *t;
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gint x, y;
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g_return_val_if_fail (GDK_IS_PIXBUF (pixbuf), NULL);
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pixbuf_width = gdk_pixbuf_get_width (pixbuf);
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pixbuf_height = gdk_pixbuf_get_height (pixbuf);
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if (pixbuf_width != width || pixbuf_height != height)
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{
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GdkPixbuf *scaled_pixbuf;
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scaled_pixbuf = gdk_pixbuf_scale_simple (pixbuf,
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width, height,
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GDK_INTERP_BILINEAR);
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pixbuf = scaled_pixbuf;
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}
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else
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{
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g_object_ref (G_OBJECT (pixbuf));
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}
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temp_buf = temp_buf_new (width, height, 4, 0, 0, transparent);
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p_data = gdk_pixbuf_get_pixels (pixbuf);
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t_data = temp_buf_data (temp_buf);
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for (y = 0; y < height; y++)
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{
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p = p_data;
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t = t_data;
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for (x = 0; x < width; x++)
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{
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*t++ = *p++;
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*t++ = *p++;
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*t++ = *p++;
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*t++ = *p++;
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}
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p_data += gdk_pixbuf_get_rowstride (pixbuf);
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t_data += width * 4;
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}
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g_object_unref (G_OBJECT (pixbuf));
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return temp_buf;
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}
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static TempBuf *
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gimp_tool_info_get_new_preview (GimpViewable *viewable,
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gint width,
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gint height)
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{
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GimpToolInfo *tool_info;
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tool_info = GIMP_TOOL_INFO (viewable);
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return temp_buf_new_from_pixbuf (tool_info->stock_pixbuf, width, height);
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}
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GimpToolInfo *
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gimp_tool_info_new (GimpContext *context,
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GType tool_type,
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gboolean tool_context,
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const gchar *identifier,
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const gchar *blurb,
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const gchar *help,
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const gchar *menu_path,
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const gchar *menu_accel,
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const gchar *help_domain,
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const gchar *help_data,
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const gchar *pdb_string,
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const gchar *stock_id,
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GdkPixbuf *stock_pixbuf)
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{
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GimpToolInfo *tool_info;
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g_return_val_if_fail (! context || GIMP_IS_CONTEXT (context), NULL);
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g_return_val_if_fail (identifier != NULL, NULL);
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g_return_val_if_fail (blurb != NULL, NULL);
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g_return_val_if_fail (help != NULL, NULL);
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g_return_val_if_fail (menu_path != NULL, NULL);
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g_return_val_if_fail (stock_id != NULL, NULL);
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g_return_val_if_fail (GDK_IS_PIXBUF (stock_pixbuf), NULL);
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tool_info = g_object_new (GIMP_TYPE_TOOL_INFO, NULL);
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gimp_object_set_name (GIMP_OBJECT (tool_info), identifier);
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tool_info->tool_type = tool_type;
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tool_info->blurb = g_strdup (blurb);
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tool_info->help = g_strdup (help);
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tool_info->menu_path = g_strdup (menu_path);
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tool_info->menu_accel = g_strdup (menu_accel);
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tool_info->help_domain = g_strdup (help_domain);
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tool_info->help_data = g_strdup (help_data);
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tool_info->pdb_string = (pdb_string ?
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g_strdup (pdb_string) : "gimp_paintbrush_default");
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tool_info->stock_id = stock_id;
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tool_info->stock_pixbuf = stock_pixbuf;
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g_object_ref (G_OBJECT (stock_pixbuf));
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if (tool_context)
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{
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tool_info->context = gimp_create_context (context->gimp,
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identifier,
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context);
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}
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return tool_info;
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}
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void
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gimp_tool_info_set_standard (Gimp *gimp,
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GimpToolInfo *tool_info)
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{
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g_return_if_fail (GIMP_IS_GIMP (gimp));
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g_return_if_fail (! tool_info || GIMP_IS_TOOL_INFO (tool_info));
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if (gimp->standard_tool_info)
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{
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g_object_unref (G_OBJECT (gimp->standard_tool_info));
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}
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gimp->standard_tool_info = tool_info;
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if (gimp->standard_tool_info)
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{
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g_object_ref (G_OBJECT (gimp->standard_tool_info));
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}
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}
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GimpToolInfo *
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gimp_tool_info_get_standard (Gimp *gimp)
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{
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g_return_val_if_fail (GIMP_IS_GIMP (gimp), NULL);
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return gimp->standard_tool_info;
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}
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