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gimp/app/tools/gimpconvolvetool.c

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/* 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 <gdk/gdkkeysyms.h>
#include "libgimpwidgets/gimpwidgets.h"
#include "core/core-types.h"
#include "libgimptool/gimptooltypes.h"
#include "base/pixel-region.h"
#include "base/temp-buf.h"
#include "paint-funcs/paint-funcs.h"
#include "core/gimp.h"
#include "core/gimpbrush.h"
#include "core/gimpcontext.h"
#include "core/gimpdrawable.h"
#include "core/gimpimage.h"
#include "core/gimptoolinfo.h"
#include "paint/gimpconvolve.h"
#include "widgets/gimpenummenu.h"
#include "gimpconvolvetool.h"
#include "paint_options.h"
#include "libgimp/gimpintl.h"
#define FIELD_COLS 4
#define MIN_BLUR 64 /* (8/9 original pixel) */
#define MAX_BLUR 0.25 /* (1/33 original pixel) */
#define MIN_SHARPEN -512
#define MAX_SHARPEN -64
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 GimpToolOptions * convolve_options_new (GimpToolInfo *tool_info);
static void convolve_options_reset (GimpToolOptions *options);
static GimpPaintToolClass *parent_class;
/* public functions */
void
gimp_convolve_tool_register (GimpToolRegisterCallback callback,
Gimp *gimp)
{
(* callback) (GIMP_TYPE_CONVOLVE_TOOL,
convolve_options_new,
TRUE,
"gimp-convolve-tool",
_("Convolve"),
_("Blur or Sharpen"),
N_("/Tools/Paint Tools/Convolve"), "B",
NULL, "tools/convolve.html",
GIMP_STOCK_TOOL_BLUR,
gimp);
}
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 functions */
static void
gimp_convolve_tool_class_init (GimpConvolveToolClass *klass)
{
GimpToolClass *tool_class;
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;
GimpPaintTool *paint_tool;
tool = GIMP_TOOL (convolve);
paint_tool = GIMP_PAINT_TOOL (convolve);
tool->control = gimp_tool_control_new (FALSE, /* scroll_lock */
TRUE, /* auto_snap_to */
TRUE, /* preserve */
FALSE, /* handle_empty_image */
GIMP_MOTION_MODE_EXACT, /* motion_mode */
GIMP_BLUR_TOOL_CURSOR, /* cursor */
GIMP_TOOL_CURSOR_NONE, /* tool_cursor */
GIMP_CURSOR_MODIFIER_NONE, /* cursor_modifier */
GIMP_MOUSE_CURSOR, /* toggle_cursor */
GIMP_BLUR_TOOL_CURSOR, /* toggle_tool_cursor */
GIMP_CURSOR_MODIFIER_MINUS /* toggle_cursor_modifier */);
paint_tool->core = g_object_new (GIMP_TYPE_CONVOLVE, NULL);
}
static void
gimp_convolve_tool_modifier_key (GimpTool *tool,
GdkModifierType key,
gboolean press,
GdkModifierType state,
GimpDisplay *gdisp)
{
GimpConvolveOptions *options;
options = (GimpConvolveOptions *) 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:
gimp_radio_group_set_active (GTK_RADIO_BUTTON (options->type_w),
GINT_TO_POINTER (GIMP_SHARPEN_CONVOLVE));
break;
case GIMP_SHARPEN_CONVOLVE:
gimp_radio_group_set_active (GTK_RADIO_BUTTON (options->type_w),
GINT_TO_POINTER (GIMP_BLUR_CONVOLVE));
break;
default:
break;
}
}
}
static void
gimp_convolve_tool_cursor_update (GimpTool *tool,
GimpCoords *coords,
GdkModifierType state,
GimpDisplay *gdisp)
{
GimpConvolveOptions *options;
options = (GimpConvolveOptions *) 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 GimpToolOptions *
convolve_options_new (GimpToolInfo *tool_info)
{
GimpConvolveOptions *options;
GtkWidget *vbox;
GtkWidget *table;
GtkWidget *frame;
options = gimp_convolve_options_new ();
paint_options_init ((GimpPaintOptions *) options, tool_info);
((GimpToolOptions *) options)->reset_func = convolve_options_reset;
/* the main vbox */
vbox = ((GimpToolOptions *) options)->main_vbox;
frame = gimp_enum_radio_frame_new (GIMP_TYPE_CONVOLVE_TYPE,
gtk_label_new (_("Convolve Type (<Ctrl>)")),
2,
G_CALLBACK (gimp_radio_button_update),
&options->type,
&options->type_w);
gimp_radio_group_set_active (GTK_RADIO_BUTTON (options->type_w),
GINT_TO_POINTER (options->type));
gtk_box_pack_start (GTK_BOX (vbox), frame, FALSE, FALSE, 0);
gtk_widget_show (frame);
/* 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);
options->rate_w = gimp_scale_entry_new (GTK_TABLE (table), 0, 0,
_("Rate:"), -1, 50,
options->rate,
0.0, 100.0, 1.0, 10.0, 1,
TRUE, 0.0, 0.0,
NULL, NULL);
g_signal_connect (G_OBJECT (options->rate_w), "value_changed",
G_CALLBACK (gimp_double_adjustment_update),
&options->rate);
return (GimpToolOptions *) options;
}
static void
convolve_options_reset (GimpToolOptions *tool_options)
{
GimpConvolveOptions *options;
options = (GimpConvolveOptions *) tool_options;
paint_options_reset (tool_options);
gtk_adjustment_set_value (GTK_ADJUSTMENT (options->rate_w),
options->rate_d);
gimp_radio_group_set_active (GTK_RADIO_BUTTON (options->type_w),
GINT_TO_POINTER (options->type_d));
}
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