gimp/app/core/gimptoolinfo.c

319 lines
7.5 KiB
C

/* The GIMP -- an image manipulation program
* Copyright (C) 1995 Spencer Kimball and Peter Mattis
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#include "config.h"
#include <glib-object.h>
#include "core-types.h"
#include "base/temp-buf.h"
#include "gimp.h"
#include "gimpcontext.h"
#include "gimptoolinfo.h"
static void gimp_tool_info_class_init (GimpToolInfoClass *klass);
static void gimp_tool_info_init (GimpToolInfo *tool_info);
static void gimp_tool_info_finalize (GObject *object);
static TempBuf * gimp_tool_info_get_new_preview (GimpViewable *viewable,
gint width,
gint height);
static GimpDataClass *parent_class = NULL;
GType
gimp_tool_info_get_type (void)
{
static GType tool_info_type = 0;
if (! tool_info_type)
{
static const GTypeInfo tool_info_info =
{
sizeof (GimpToolInfoClass),
(GBaseInitFunc) NULL,
(GBaseFinalizeFunc) NULL,
(GClassInitFunc) gimp_tool_info_class_init,
NULL, /* class_finalize */
NULL, /* class_data */
sizeof (GimpToolInfo),
0, /* n_preallocs */
(GInstanceInitFunc) gimp_tool_info_init,
};
tool_info_type = g_type_register_static (GIMP_TYPE_DATA,
"GimpToolInfo",
&tool_info_info, 0);
}
return tool_info_type;
}
static void
gimp_tool_info_class_init (GimpToolInfoClass *klass)
{
GObjectClass *object_class;
GimpViewableClass *viewable_class;
object_class = G_OBJECT_CLASS (klass);
viewable_class = GIMP_VIEWABLE_CLASS (klass);
parent_class = g_type_class_peek_parent (klass);
object_class->finalize = gimp_tool_info_finalize;
viewable_class->get_new_preview = gimp_tool_info_get_new_preview;
}
void
gimp_tool_info_init (GimpToolInfo *tool_info)
{
tool_info->tool_type = G_TYPE_NONE;
tool_info->blurb = NULL;
tool_info->help = NULL;
tool_info->menu_path = NULL;
tool_info->menu_accel = NULL;
tool_info->help_domain = NULL;
tool_info->help_data = NULL;
tool_info->stock_id = NULL;
tool_info->stock_pixbuf = NULL;
tool_info->context = NULL;
tool_info->tool_options = NULL;
}
static void
gimp_tool_info_finalize (GObject *object)
{
GimpToolInfo *tool_info;
tool_info = (GimpToolInfo *) object;
if (tool_info->blurb)
{
g_free (tool_info->blurb);
tool_info->blurb = NULL;
}
if (tool_info->help)
{
g_free (tool_info->help);
tool_info->blurb = NULL;
}
if (tool_info->menu_path)
{
g_free (tool_info->menu_path);
tool_info->menu_path = NULL;
}
if (tool_info->menu_accel)
{
g_free (tool_info->menu_accel);
tool_info->menu_accel = NULL;
}
if (tool_info->help_domain)
{
g_free (tool_info->help_domain);
tool_info->help_domain = NULL;
}
if (tool_info->help_data)
{
g_free (tool_info->help_data);
tool_info->help_data = NULL;
}
if (tool_info->stock_pixbuf)
{
g_object_unref (G_OBJECT (tool_info->stock_pixbuf));
tool_info->stock_pixbuf = NULL;
}
G_OBJECT_CLASS (parent_class)->finalize (object);
}
static TempBuf *
temp_buf_new_from_pixbuf (GdkPixbuf *pixbuf,
gint width,
gint height)
{
TempBuf *temp_buf;
gint pixbuf_width;
gint pixbuf_height;
guchar transparent[4] = { 0, 0, 0, 0 };
guchar *p_data;
guchar *t_data;
guchar *p;
guchar *t;
gint x, y;
g_return_val_if_fail (GDK_IS_PIXBUF (pixbuf), NULL);
pixbuf_width = gdk_pixbuf_get_width (pixbuf);
pixbuf_height = gdk_pixbuf_get_height (pixbuf);
if (pixbuf_width != width || pixbuf_height != height)
{
GdkPixbuf *scaled_pixbuf;
scaled_pixbuf = gdk_pixbuf_scale_simple (pixbuf,
width, height,
GDK_INTERP_BILINEAR);
pixbuf = scaled_pixbuf;
}
else
{
g_object_ref (G_OBJECT (pixbuf));
}
temp_buf = temp_buf_new (width, height, 4, 0, 0, transparent);
p_data = gdk_pixbuf_get_pixels (pixbuf);
t_data = temp_buf_data (temp_buf);
for (y = 0; y < height; y++)
{
p = p_data;
t = t_data;
for (x = 0; x < width; x++)
{
*t++ = *p++;
*t++ = *p++;
*t++ = *p++;
*t++ = *p++;
}
p_data += gdk_pixbuf_get_rowstride (pixbuf);
t_data += width * 4;
}
g_object_unref (G_OBJECT (pixbuf));
return temp_buf;
}
static TempBuf *
gimp_tool_info_get_new_preview (GimpViewable *viewable,
gint width,
gint height)
{
GimpToolInfo *tool_info;
tool_info = GIMP_TOOL_INFO (viewable);
return temp_buf_new_from_pixbuf (tool_info->stock_pixbuf, width, height);
}
GimpToolInfo *
gimp_tool_info_new (GimpContext *context,
GType tool_type,
gboolean tool_context,
const gchar *identifier,
const gchar *blurb,
const gchar *help,
const gchar *menu_path,
const gchar *menu_accel,
const gchar *help_domain,
const gchar *help_data,
const gchar *pdb_string,
const gchar *stock_id,
GdkPixbuf *stock_pixbuf)
{
GimpToolInfo *tool_info;
g_return_val_if_fail (! context || GIMP_IS_CONTEXT (context), NULL);
g_return_val_if_fail (identifier != NULL, NULL);
g_return_val_if_fail (blurb != NULL, NULL);
g_return_val_if_fail (help != NULL, NULL);
g_return_val_if_fail (menu_path != NULL, NULL);
g_return_val_if_fail (stock_id != NULL, NULL);
g_return_val_if_fail (GDK_IS_PIXBUF (stock_pixbuf), NULL);
tool_info = g_object_new (GIMP_TYPE_TOOL_INFO, NULL);
gimp_object_set_name (GIMP_OBJECT (tool_info), identifier);
tool_info->tool_type = tool_type;
tool_info->blurb = g_strdup (blurb);
tool_info->help = g_strdup (help);
tool_info->menu_path = g_strdup (menu_path);
tool_info->menu_accel = g_strdup (menu_accel);
tool_info->help_domain = g_strdup (help_domain);
tool_info->help_data = g_strdup (help_data);
tool_info->pdb_string = (pdb_string ?
g_strdup (pdb_string) : "gimp_paintbrush_default");
tool_info->stock_id = stock_id;
tool_info->stock_pixbuf = stock_pixbuf;
g_object_ref (G_OBJECT (stock_pixbuf));
if (tool_context)
{
tool_info->context = gimp_create_context (context->gimp,
identifier,
context);
}
return tool_info;
}
void
gimp_tool_info_set_standard (Gimp *gimp,
GimpToolInfo *tool_info)
{
g_return_if_fail (GIMP_IS_GIMP (gimp));
g_return_if_fail (! tool_info || GIMP_IS_TOOL_INFO (tool_info));
if (gimp->standard_tool_info)
{
g_object_unref (G_OBJECT (gimp->standard_tool_info));
}
gimp->standard_tool_info = tool_info;
if (gimp->standard_tool_info)
{
g_object_ref (G_OBJECT (gimp->standard_tool_info));
}
}
GimpToolInfo *
gimp_tool_info_get_standard (Gimp *gimp)
{
g_return_val_if_fail (GIMP_IS_GIMP (gimp), NULL);
return gimp->standard_tool_info;
}