gimp/app/tools/gimpconvolvetool.c

217 lines
6.6 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 <gtk/gtk.h>
#include "libgimpwidgets/gimpwidgets.h"
#include "tools-types.h"
#include "core/gimptoolinfo.h"
#include "paint/gimpconvolveoptions.h"
#include "widgets/gimphelp-ids.h"
#include "widgets/gimppropwidgets.h"
#include "widgets/gimpwidgets-utils.h"
#include "gimpconvolvetool.h"
#include "gimppaintoptions-gui.h"
#include "gimptoolcontrol.h"
#include "gimp-intl.h"
static void gimp_convolve_tool_class_init (GimpConvolveToolClass *klass);
static void gimp_convolve_tool_init (GimpConvolveTool *tool);
static void gimp_convolve_tool_modifier_key (GimpTool *tool,
GdkModifierType key,
gboolean press,
GdkModifierType state,
GimpDisplay *gdisp);
static void gimp_convolve_tool_cursor_update (GimpTool *tool,
GimpCoords *coords,
GdkModifierType state,
GimpDisplay *gdisp);
static GtkWidget * gimp_convolve_options_gui (GimpToolOptions *options);
static GimpPaintToolClass *parent_class;
void
gimp_convolve_tool_register (GimpToolRegisterCallback callback,
gpointer data)
{
(* callback) (GIMP_TYPE_CONVOLVE_TOOL,
GIMP_TYPE_CONVOLVE_OPTIONS,
gimp_convolve_options_gui,
GIMP_PAINT_OPTIONS_CONTEXT_MASK,
"gimp-convolve-tool",
_("Convolve"),
_("Blur or Sharpen"),
N_("Con_volve"), "V",
NULL, GIMP_HELP_TOOL_CONVOLVE,
GIMP_STOCK_TOOL_BLUR,
data);
}
GType
gimp_convolve_tool_get_type (void)
{
static GType tool_type = 0;
if (! tool_type)
{
static const GTypeInfo tool_info =
{
sizeof (GimpConvolveToolClass),
(GBaseInitFunc) NULL,
(GBaseFinalizeFunc) NULL,
(GClassInitFunc) gimp_convolve_tool_class_init,
NULL, /* class_finalize */
NULL, /* class_data */
sizeof (GimpConvolveTool),
0, /* n_preallocs */
(GInstanceInitFunc) gimp_convolve_tool_init,
};
tool_type = g_type_register_static (GIMP_TYPE_PAINT_TOOL,
"GimpConvolveTool",
&tool_info, 0);
}
return tool_type;
}
static void
gimp_convolve_tool_class_init (GimpConvolveToolClass *klass)
{
GimpToolClass *tool_class = GIMP_TOOL_CLASS (klass);
parent_class = g_type_class_peek_parent (klass);
tool_class->modifier_key = gimp_convolve_tool_modifier_key;
tool_class->cursor_update = gimp_convolve_tool_cursor_update;
}
static void
gimp_convolve_tool_init (GimpConvolveTool *convolve)
{
GimpTool *tool = GIMP_TOOL (convolve);
gimp_tool_control_set_tool_cursor (tool->control,
GIMP_TOOL_CURSOR_BLUR);
gimp_tool_control_set_toggle_tool_cursor (tool->control,
GIMP_TOOL_CURSOR_BLUR);
gimp_tool_control_set_toggle_cursor_modifier (tool->control,
GIMP_CURSOR_MODIFIER_MINUS);
}
static void
gimp_convolve_tool_modifier_key (GimpTool *tool,
GdkModifierType key,
gboolean press,
GdkModifierType state,
GimpDisplay *gdisp)
{
GimpConvolveOptions *options;
options = GIMP_CONVOLVE_OPTIONS (tool->tool_info->tool_options);
if ((key == GDK_CONTROL_MASK) &&
! (state & GDK_SHIFT_MASK)) /* leave stuff untouched in line draw mode */
{
switch (options->type)
{
case GIMP_BLUR_CONVOLVE:
g_object_set (options, "type", GIMP_SHARPEN_CONVOLVE, NULL);
break;
case GIMP_SHARPEN_CONVOLVE:
g_object_set (options, "type", GIMP_BLUR_CONVOLVE, NULL);
break;
default:
break;
}
}
}
static void
gimp_convolve_tool_cursor_update (GimpTool *tool,
GimpCoords *coords,
GdkModifierType state,
GimpDisplay *gdisp)
{
GimpConvolveOptions *options;
options = GIMP_CONVOLVE_OPTIONS (tool->tool_info->tool_options);
gimp_tool_control_set_toggle (tool->control,
(options->type == GIMP_SHARPEN_CONVOLVE));
GIMP_TOOL_CLASS (parent_class)->cursor_update (tool, coords, state, gdisp);
}
/* tool options stuff */
static GtkWidget *
gimp_convolve_options_gui (GimpToolOptions *tool_options)
{
GObject *config;
GtkWidget *vbox;
GtkWidget *table;
GtkWidget *frame;
gchar *str;
config = G_OBJECT (tool_options);
vbox = gimp_paint_options_gui (tool_options);
/* the type radio box */
str = g_strdup_printf (_("Convolve Type %s"),
gimp_get_mod_string (GDK_CONTROL_MASK));
frame = gimp_prop_enum_radio_frame_new (config, "type",
str, 0, 0);
gtk_box_pack_start (GTK_BOX (vbox), frame, FALSE, FALSE, 0);
gtk_widget_show (frame);
g_free (str);
/* the rate scale */
table = gtk_table_new (1, 3, FALSE);
gtk_table_set_col_spacings (GTK_TABLE (table), 2);
gtk_box_pack_start (GTK_BOX (vbox), table, FALSE, FALSE, 0);
gtk_widget_show (table);
gimp_prop_scale_entry_new (config, "rate",
GTK_TABLE (table), 0, 0,
_("Rate:"),
1.0, 10.0, 1,
FALSE, 0.0, 0.0);
return vbox;
}