PIKApp/app/tools/pikadodgeburntool.c

243 lines
8.6 KiB
C

/* PIKA - Photo and Image Kooker Application
* a rebranding of The GNU Image Manipulation Program (created with heckimp)
* A derived work which may be trivial. However, any changes may be (C)2023 by Aldercone Studio
*
* Original copyright, applying to most contents (license remains unchanged):
* 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 "libpikawidgets/pikawidgets.h"
#include "tools-types.h"
#include "paint/pikadodgeburnoptions.h"
#include "widgets/pikahelp-ids.h"
#include "widgets/pikapropwidgets.h"
#include "widgets/pikawidgets-utils.h"
#include "pikadodgeburntool.h"
#include "pikapaintoptions-gui.h"
#include "pikatoolcontrol.h"
#include "pika-intl.h"
static void pika_dodge_burn_tool_modifier_key (PikaTool *tool,
GdkModifierType key,
gboolean press,
GdkModifierType state,
PikaDisplay *display);
static void pika_dodge_burn_tool_cursor_update (PikaTool *tool,
const PikaCoords *coords,
GdkModifierType state,
PikaDisplay *display);
static void pika_dodge_burn_tool_oper_update (PikaTool *tool,
const PikaCoords *coords,
GdkModifierType state,
gboolean proximity,
PikaDisplay *display);
static void pika_dodge_burn_tool_status_update (PikaTool *tool,
PikaDodgeBurnType type);
static GtkWidget * pika_dodge_burn_options_gui (PikaToolOptions *tool_options);
G_DEFINE_TYPE (PikaDodgeBurnTool, pika_dodge_burn_tool, PIKA_TYPE_BRUSH_TOOL)
#define parent_class pika_dodge_burn_tool_parent_class
void
pika_dodge_burn_tool_register (PikaToolRegisterCallback callback,
gpointer data)
{
(* callback) (PIKA_TYPE_DODGE_BURN_TOOL,
PIKA_TYPE_DODGE_BURN_OPTIONS,
pika_dodge_burn_options_gui,
PIKA_PAINT_OPTIONS_CONTEXT_MASK,
"pika-dodge-burn-tool",
_("Dodge / Burn"),
_("Dodge / Burn Tool: Selectively lighten or darken using a brush"),
N_("Dod_ge / Burn"), "<shift>D",
NULL, PIKA_HELP_TOOL_DODGE_BURN,
PIKA_ICON_TOOL_DODGE,
data);
}
static void
pika_dodge_burn_tool_class_init (PikaDodgeBurnToolClass *klass)
{
PikaToolClass *tool_class = PIKA_TOOL_CLASS (klass);
tool_class->modifier_key = pika_dodge_burn_tool_modifier_key;
tool_class->cursor_update = pika_dodge_burn_tool_cursor_update;
tool_class->oper_update = pika_dodge_burn_tool_oper_update;
}
static void
pika_dodge_burn_tool_init (PikaDodgeBurnTool *dodgeburn)
{
PikaTool *tool = PIKA_TOOL (dodgeburn);
pika_tool_control_set_tool_cursor (tool->control,
PIKA_TOOL_CURSOR_DODGE);
pika_tool_control_set_toggle_tool_cursor (tool->control,
PIKA_TOOL_CURSOR_BURN);
pika_dodge_burn_tool_status_update (tool, PIKA_DODGE_BURN_TYPE_BURN);
}
static void
pika_dodge_burn_tool_modifier_key (PikaTool *tool,
GdkModifierType key,
gboolean press,
GdkModifierType state,
PikaDisplay *display)
{
PikaDodgeBurnTool *dodgeburn = PIKA_DODGE_BURN_TOOL (tool);
PikaDodgeBurnOptions *options = PIKA_DODGE_BURN_TOOL_GET_OPTIONS (tool);
GdkModifierType line_mask = PIKA_PAINT_TOOL_LINE_MASK;
GdkModifierType toggle_mask = pika_get_toggle_behavior_mask ();
if ((key == toggle_mask &&
! (state & line_mask) && /* leave stuff untouched in line draw mode */
press != dodgeburn->toggled)
||
(key == line_mask && /* toggle back after keypresses CTRL(hold)-> */
! press && /* SHIFT(hold)->CTRL(release)->SHIFT(release) */
dodgeburn->toggled &&
! (state & toggle_mask)))
{
dodgeburn->toggled = press;
switch (options->type)
{
case PIKA_DODGE_BURN_TYPE_DODGE:
g_object_set (options, "type", PIKA_DODGE_BURN_TYPE_BURN, NULL);
break;
case PIKA_DODGE_BURN_TYPE_BURN:
g_object_set (options, "type", PIKA_DODGE_BURN_TYPE_DODGE, NULL);
break;
default:
break;
}
}
PIKA_TOOL_CLASS (parent_class)->modifier_key (tool, key, press, state,
display);
}
static void
pika_dodge_burn_tool_cursor_update (PikaTool *tool,
const PikaCoords *coords,
GdkModifierType state,
PikaDisplay *display)
{
PikaDodgeBurnOptions *options = PIKA_DODGE_BURN_TOOL_GET_OPTIONS (tool);
pika_tool_control_set_toggled (tool->control,
options->type == PIKA_DODGE_BURN_TYPE_BURN);
PIKA_TOOL_CLASS (parent_class)->cursor_update (tool, coords, state,
display);
}
static void
pika_dodge_burn_tool_oper_update (PikaTool *tool,
const PikaCoords *coords,
GdkModifierType state,
gboolean proximity,
PikaDisplay *display)
{
PikaDodgeBurnOptions *options = PIKA_DODGE_BURN_TOOL_GET_OPTIONS (tool);
pika_dodge_burn_tool_status_update (tool, options->type);
PIKA_TOOL_CLASS (parent_class)->oper_update (tool, coords, state, proximity,
display);
}
static void
pika_dodge_burn_tool_status_update (PikaTool *tool,
PikaDodgeBurnType type)
{
PikaPaintTool *paint_tool = PIKA_PAINT_TOOL (tool);
switch (type)
{
case PIKA_DODGE_BURN_TYPE_DODGE:
paint_tool->status = _("Click to dodge");
paint_tool->status_line = _("Click to dodge the line");
paint_tool->status_ctrl = _("%s to burn");
break;
case PIKA_DODGE_BURN_TYPE_BURN:
paint_tool->status = _("Click to burn");
paint_tool->status_line = _("Click to burn the line");
paint_tool->status_ctrl = _("%s to dodge");
break;
default:
break;
}
}
/* tool options stuff */
static GtkWidget *
pika_dodge_burn_options_gui (PikaToolOptions *tool_options)
{
GObject *config = G_OBJECT (tool_options);
GtkWidget *vbox = pika_paint_options_gui (tool_options);
GtkWidget *frame;
GtkWidget *scale;
gchar *str;
GdkModifierType toggle_mask;
toggle_mask = pika_get_toggle_behavior_mask ();
/* the type (dodge or burn) */
str = g_strdup_printf (_("Type (%s)"),
pika_get_mod_string (toggle_mask));
frame = pika_prop_enum_radio_frame_new (config, "type",
str, 0, 0);
gtk_box_pack_start (GTK_BOX (vbox), frame, FALSE, FALSE, 0);
g_free (str);
/* mode (highlights, midtones, or shadows) */
frame = pika_prop_enum_radio_frame_new (config, "mode", NULL,
0, 0);
gtk_box_pack_start (GTK_BOX (vbox), frame, FALSE, FALSE, 0);
/* the exposure scale */
scale = pika_prop_spin_scale_new (config, "exposure",
1.0, 10.0, 1);
gtk_box_pack_start (GTK_BOX (vbox), scale, FALSE, FALSE, 0);
return vbox;
}