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/* GIMP - The GNU 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 3 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, see <https://www.gnu.org/licenses/>.
*/
#include "config.h"
#include <gegl.h>
#include <gtk/gtk.h>
#include "libgimpwidgets/gimpwidgets.h"
#include "tools-types.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_modifier_key (GimpTool *tool,
GdkModifierType key,
gboolean press,
GdkModifierType state,
GimpDisplay *display);
static void gimp_convolve_tool_cursor_update (GimpTool *tool,
const GimpCoords *coords,
GdkModifierType state,
GimpDisplay *display);
static void gimp_convolve_tool_oper_update (GimpTool *tool,
const GimpCoords *coords,
GdkModifierType state,
gboolean proximity,
GimpDisplay *display);
static void gimp_convolve_tool_status_update (GimpTool *tool,
GimpConvolveType type);
static GtkWidget * gimp_convolve_options_gui (GimpToolOptions *options);
G_DEFINE_TYPE (GimpConvolveTool, gimp_convolve_tool, GIMP_TYPE_BRUSH_TOOL)
#define parent_class gimp_convolve_tool_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",
_("Blur / Sharpen"),
_("Blur / Sharpen Tool: Selective blurring or unblurring using a brush"),
N_("Bl_ur / Sharpen"), "<shift>U",
NULL, GIMP_HELP_TOOL_CONVOLVE,
GIMP_ICON_TOOL_BLUR,
data);
}
static void
gimp_convolve_tool_class_init (GimpConvolveToolClass *klass)
{
GimpToolClass *tool_class = GIMP_TOOL_CLASS (klass);
tool_class->modifier_key = gimp_convolve_tool_modifier_key;
tool_class->cursor_update = gimp_convolve_tool_cursor_update;
tool_class->oper_update = gimp_convolve_tool_oper_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_cursor_modifier (tool->control,
GIMP_CURSOR_MODIFIER_MINUS);
gimp_convolve_tool_status_update (tool, GIMP_CONVOLVE_BLUR);
}
static void
gimp_convolve_tool_modifier_key (GimpTool *tool,
GdkModifierType key,
gboolean press,
GdkModifierType state,
GimpDisplay *display)
{
GimpConvolveTool *convolve = GIMP_CONVOLVE_TOOL (tool);
GimpConvolveOptions *options = GIMP_CONVOLVE_TOOL_GET_OPTIONS (tool);
GdkModifierType line_mask = GIMP_PAINT_TOOL_LINE_MASK;
GdkModifierType toggle_mask = gimp_get_toggle_behavior_mask ();
if (((key == toggle_mask) &&
! (state & line_mask) && /* leave stuff untouched in line draw mode */
press != convolve->toggled)
||
(key == line_mask && /* toggle back after keypresses CTRL(hold)-> */
! press && /* SHIFT(hold)->CTRL(release)->SHIFT(release) */
convolve->toggled &&
! (state & toggle_mask)))
{
convolve->toggled = press;
switch (options->type)
{
case GIMP_CONVOLVE_BLUR:
g_object_set (options, "type", GIMP_CONVOLVE_SHARPEN, NULL);
break;
case GIMP_CONVOLVE_SHARPEN:
g_object_set (options, "type", GIMP_CONVOLVE_BLUR, NULL);
break;
}
}
}
static void
gimp_convolve_tool_cursor_update (GimpTool *tool,
const GimpCoords *coords,
GdkModifierType state,
GimpDisplay *display)
{
GimpConvolveOptions *options = GIMP_CONVOLVE_TOOL_GET_OPTIONS (tool);
gimp_tool_control_set_toggled (tool->control,
options->type == GIMP_CONVOLVE_SHARPEN);
GIMP_TOOL_CLASS (parent_class)->cursor_update (tool, coords, state, display);
}
static void
gimp_convolve_tool_oper_update (GimpTool *tool,
const GimpCoords *coords,
GdkModifierType state,
gboolean proximity,
GimpDisplay *display)
{
GimpConvolveOptions *options = GIMP_CONVOLVE_TOOL_GET_OPTIONS (tool);
gimp_convolve_tool_status_update (tool, options->type);
GIMP_TOOL_CLASS (parent_class)->oper_update (tool, coords, state, proximity,
display);
}
static void
gimp_convolve_tool_status_update (GimpTool *tool,
GimpConvolveType type)
{
GimpPaintTool *paint_tool = GIMP_PAINT_TOOL (tool);
switch (type)
{
case GIMP_CONVOLVE_BLUR:
paint_tool->status = _("Click to blur");
paint_tool->status_line = _("Click to blur the line");
paint_tool->status_ctrl = _("%s to sharpen");
break;
case GIMP_CONVOLVE_SHARPEN:
paint_tool->status = _("Click to sharpen");
paint_tool->status_line = _("Click to sharpen the line");
paint_tool->status_ctrl = _("%s to blur");
break;
default:
break;
}
}
/* tool options stuff */
static GtkWidget *
gimp_convolve_options_gui (GimpToolOptions *tool_options)
{
GObject *config = G_OBJECT (tool_options);
GtkWidget *vbox = gimp_paint_options_gui (tool_options);
GtkWidget *frame;
GtkWidget *scale;
gchar *str;
GdkModifierType toggle_mask;
toggle_mask = gimp_get_toggle_behavior_mask ();
/* the type radio box */
str = g_strdup_printf (_("Convolve Type (%s)"),
gimp_get_mod_string (toggle_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 */
scale = gimp_prop_spin_scale_new (config, "rate", NULL,
1.0, 10.0, 1);
gtk_box_pack_start (GTK_BOX (vbox), scale, FALSE, FALSE, 0);
gtk_widget_show (scale);
return vbox;
}
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