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gimp/app/tools/gimpoperationtool.c

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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 <http://www.gnu.org/licenses/>.
*/
#include "config.h"
#include <string.h>
#include <gegl.h>
#include <gtk/gtk.h>
#include "libgimpbase/gimpbase.h"
#include "libgimpcolor/gimpcolor.h"
#include "libgimpconfig/gimpconfig.h"
#include "libgimpwidgets/gimpwidgets.h"
#include "tools-types.h"
#include "gegl/gimp-gegl-config-proxy.h"
#include "gegl/gimp-gegl-utils.h"
#include "core/gimpchannel.h"
#include "core/gimpcontainer.h"
#include "core/gimpcontext.h"
#include "core/gimpdrawable.h"
#include "core/gimperror.h"
#include "core/gimpimage.h"
#include "core/gimpimagemap.h"
#include "core/gimplist.h"
#include "core/gimpparamspecs-duplicate.h"
#include "core/gimppickable.h"
#include "core/gimpsettings.h"
#include "widgets/gimpbuffersourcebox.h"
#include "widgets/gimphelp-ids.h"
#include "widgets/gimppickablebutton.h"
#include "widgets/gimppropgui.h"
#include "display/gimpdisplay.h"
#include "display/gimptoolgui.h"
#include "gimpcoloroptions.h"
#include "gimpoperationtool.h"
#include "gimp-intl.h"
typedef struct _AuxInput AuxInput;
struct _AuxInput
{
GeglNode *node;
GtkWidget *box;
};
/* local function prototypes */
static void gimp_operation_tool_finalize (GObject *object);
static gboolean gimp_operation_tool_initialize (GimpTool *tool,
GimpDisplay *display,
GError **error);
static void gimp_operation_tool_control (GimpTool *tool,
GimpToolAction action,
GimpDisplay *display);
static GeglNode * gimp_operation_tool_get_operation (GimpImageMapTool *im_tool,
GObject **config,
gchar **undo_desc);
static void gimp_operation_tool_map (GimpImageMapTool *im_tool);
static void gimp_operation_tool_dialog (GimpImageMapTool *im_tool);
static void gimp_operation_tool_reset (GimpImageMapTool *im_tool);
static GtkWidget * gimp_operation_tool_get_settings_ui (GimpImageMapTool *im_tool,
GimpContainer *settings,
GFile *settings_file,
const gchar *import_dialog_title,
const gchar *export_dialog_title,
const gchar *file_dialog_help_id,
GFile *default_folder,
GtkWidget **settings_box);
static void gimp_operation_tool_color_picked (GimpImageMapTool *im_tool,
gpointer identifier,
gdouble x,
gdouble y,
const Babl *sample_format,
const GimpRGB *color);
static void gimp_operation_tool_sync_op (GimpOperationTool *op_tool,
GimpDrawable *drawable);
static AuxInput * gimp_operation_tool_aux_input_new (GimpOperationTool *tool,
GeglNode *operation,
const gchar *input_pad,
const gchar *label);
static void gimp_operation_tool_aux_input_clear (AuxInput *input);
static void gimp_operation_tool_aux_input_free (AuxInput *input);
G_DEFINE_TYPE (GimpOperationTool, gimp_operation_tool,
GIMP_TYPE_IMAGE_MAP_TOOL)
#define parent_class gimp_operation_tool_parent_class
void
gimp_operation_tool_register (GimpToolRegisterCallback callback,
gpointer data)
{
(* callback) (GIMP_TYPE_OPERATION_TOOL,
GIMP_TYPE_COLOR_OPTIONS,
gimp_color_options_gui,
GIMP_CONTEXT_PROP_MASK_FOREGROUND |
GIMP_CONTEXT_PROP_MASK_BACKGROUND,
"gimp-operation-tool",
_("GEGL Operation"),
_("Operation Tool: Use an arbitrary GEGL operation"),
N_("_GEGL Operation..."), NULL,
NULL, GIMP_HELP_TOOL_GEGL,
GIMP_STOCK_GEGL,
data);
}
static void
gimp_operation_tool_class_init (GimpOperationToolClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
GimpToolClass *tool_class = GIMP_TOOL_CLASS (klass);
GimpImageMapToolClass *im_tool_class = GIMP_IMAGE_MAP_TOOL_CLASS (klass);
object_class->finalize = gimp_operation_tool_finalize;
tool_class->initialize = gimp_operation_tool_initialize;
tool_class->control = gimp_operation_tool_control;
im_tool_class->dialog_desc = _("GEGL Operation");
im_tool_class->get_operation = gimp_operation_tool_get_operation;
im_tool_class->map = gimp_operation_tool_map;
im_tool_class->dialog = gimp_operation_tool_dialog;
im_tool_class->reset = gimp_operation_tool_reset;
im_tool_class->get_settings_ui = gimp_operation_tool_get_settings_ui;
im_tool_class->color_picked = gimp_operation_tool_color_picked;
}
static void
gimp_operation_tool_init (GimpOperationTool *tool)
{
GIMP_IMAGE_MAP_TOOL_GET_CLASS (tool)->settings_name = NULL; /* XXX hack */
}
static void
gimp_operation_tool_finalize (GObject *object)
{
GimpOperationTool *tool = GIMP_OPERATION_TOOL (object);
if (tool->operation)
{
g_free (tool->operation);
tool->operation = NULL;
}
if (tool->undo_desc)
{
g_free (tool->undo_desc);
tool->undo_desc = NULL;
}
if (tool->icon_name)
{
g_free (tool->icon_name);
tool->icon_name = NULL;
}
g_list_free_full (tool->aux_inputs,
(GDestroyNotify) gimp_operation_tool_aux_input_free);
tool->aux_inputs = NULL;
G_OBJECT_CLASS (parent_class)->finalize (object);
}
static gboolean
gimp_operation_tool_initialize (GimpTool *tool,
GimpDisplay *display,
GError **error)
{
if (GIMP_TOOL_CLASS (parent_class)->initialize (tool, display, error))
{
GimpImageMapTool *im_tool = GIMP_IMAGE_MAP_TOOL (tool);
GimpOperationTool *op_tool = GIMP_OPERATION_TOOL (tool);
GimpImage *image = gimp_display_get_image (display);
GimpDrawable *drawable = gimp_image_get_active_drawable (image);
if (im_tool->config)
gimp_operation_tool_sync_op (op_tool, drawable);
return TRUE;
}
return FALSE;
}
static void
gimp_operation_tool_control (GimpTool *tool,
GimpToolAction action,
GimpDisplay *display)
{
GimpOperationTool *op_tool = GIMP_OPERATION_TOOL (tool);
switch (action)
{
case GIMP_TOOL_ACTION_PAUSE:
case GIMP_TOOL_ACTION_RESUME:
break;
case GIMP_TOOL_ACTION_HALT:
g_list_foreach (op_tool->aux_inputs,
(GFunc) gimp_operation_tool_aux_input_clear, NULL);
break;
case GIMP_TOOL_ACTION_COMMIT:
break;
}
GIMP_TOOL_CLASS (parent_class)->control (tool, action, display);
}
static GeglNode *
gimp_operation_tool_get_operation (GimpImageMapTool *im_tool,
GObject **config,
gchar **undo_desc)
{
GimpOperationTool *tool = GIMP_OPERATION_TOOL (im_tool);
if (tool->operation)
*config = G_OBJECT (gimp_gegl_get_config_proxy (tool->operation,
tool->icon_name,
GIMP_TYPE_SETTINGS));
if (tool->undo_desc)
*undo_desc = g_strdup (tool->undo_desc);
if (tool->operation)
return gegl_node_new_child (NULL,
"operation", tool->operation,
NULL);
return gegl_node_new_child (NULL,
"operation", "gegl:nop",
NULL);
}
static void
gimp_operation_tool_map (GimpImageMapTool *im_tool)
{
if (im_tool->config)
gimp_gegl_config_proxy_sync (GIMP_OBJECT (im_tool->config),
im_tool->operation);
}
static void
gimp_operation_tool_dialog (GimpImageMapTool *im_tool)
{
GimpOperationTool *tool = GIMP_OPERATION_TOOL (im_tool);
GtkWidget *main_vbox;
GList *list;
main_vbox = gimp_image_map_tool_dialog_get_vbox (im_tool);
/* The options vbox */
tool->options_box = gtk_box_new (GTK_ORIENTATION_VERTICAL, 2);
gtk_box_pack_start (GTK_BOX (main_vbox), tool->options_box,
FALSE, FALSE, 0);
gtk_widget_show (tool->options_box);
for (list = tool->aux_inputs; list; list = g_list_next (list))
{
AuxInput *input = list->data;
gtk_box_pack_start (GTK_BOX (tool->options_box), input->box,
FALSE, FALSE, 0);
gtk_widget_show (input->box);
}
if (tool->options_gui)
{
gtk_box_pack_start (GTK_BOX (tool->options_box), tool->options_gui,
FALSE, FALSE, 0);
gtk_widget_show (tool->options_gui);
}
if (tool->undo_desc)
gimp_tool_gui_set_description (GIMP_IMAGE_MAP_TOOL (tool)->gui,
tool->undo_desc);
if (tool->icon_name)
gimp_tool_gui_set_icon_name (GIMP_IMAGE_MAP_TOOL (tool)->gui,
tool->icon_name);
}
static void
gimp_operation_tool_reset (GimpImageMapTool *im_tool)
{
GimpOperationTool *tool = GIMP_OPERATION_TOOL (im_tool);
GIMP_IMAGE_MAP_TOOL_CLASS (parent_class)->reset (im_tool);
if (im_tool->config && GIMP_TOOL (tool)->drawable)
gimp_operation_tool_sync_op (tool, GIMP_TOOL (tool)->drawable);
}
static GtkWidget *
gimp_operation_tool_get_settings_ui (GimpImageMapTool *im_tool,
GimpContainer *settings,
GFile *settings_file,
const gchar *import_dialog_title,
const gchar *export_dialog_title,
const gchar *file_dialog_help_id,
GFile *default_folder,
GtkWidget **settings_box)
{
GimpOperationTool *tool = GIMP_OPERATION_TOOL (im_tool);
GType type = G_TYPE_FROM_INSTANCE (im_tool->config);
GtkWidget *widget;
gchar *basename;
GFile *file;
gchar *import_title;
gchar *export_title;
settings = gimp_gegl_get_config_container (type);
if (! gimp_list_get_sort_func (GIMP_LIST (settings)))
gimp_list_set_sort_func (GIMP_LIST (settings),
(GCompareFunc) gimp_settings_compare);
basename = g_strconcat (G_OBJECT_TYPE_NAME (im_tool->config),
".settings", NULL);
file = gimp_directory_file ("filters", basename, NULL);
g_free (basename);
import_title = g_strdup_printf (_("Import '%s' Settings"), tool->undo_desc);
export_title = g_strdup_printf (_("Export '%s' Settings"), tool->undo_desc);
widget =
GIMP_IMAGE_MAP_TOOL_CLASS (parent_class)->get_settings_ui (im_tool,
settings,
file,
import_title,
export_title,
"help-foo",
NULL, /* sic */
settings_box);
g_free (import_title);
g_free (export_title);
g_object_unref (file);
return widget;
}
static void
gimp_operation_tool_color_picked (GimpImageMapTool *im_tool,
gpointer identifier,
gdouble x,
gdouble y,
const Babl *sample_format,
const GimpRGB *color)
{
GimpOperationTool *tool = GIMP_OPERATION_TOOL (im_tool);
gchar **pspecs;
pspecs = g_strsplit (identifier, ":", 2);
if (pspecs[1])
{
GimpImageMapOptions *options = GIMP_IMAGE_MAP_TOOL_GET_OPTIONS (tool);
GimpDrawable *drawable = GIMP_TOOL (im_tool)->drawable;
GObjectClass *object_class = G_OBJECT_GET_CLASS (im_tool->config);
GParamSpec *pspec_x;
GParamSpec *pspec_y;
gint width = 1;
gint height = 1;
if (drawable)
{
gint off_x, off_y;
gimp_item_get_offset (GIMP_ITEM (drawable), &off_x, &off_y);
x -= off_x;
y -= off_y;
switch (options->region)
{
case GIMP_IMAGE_MAP_REGION_SELECTION:
if (gimp_item_mask_intersect (GIMP_ITEM (drawable),
&off_x, &off_y, &width, &height))
{
x -= off_x;
y -= off_y;
}
break;
case GIMP_IMAGE_MAP_REGION_DRAWABLE:
width = gimp_item_get_width (GIMP_ITEM (drawable));
height = gimp_item_get_height (GIMP_ITEM (drawable));
break;
}
}
pspec_x = g_object_class_find_property (object_class, pspecs[0]);
pspec_y = g_object_class_find_property (object_class, pspecs[1]);
if (pspec_x && pspec_y &&
G_PARAM_SPEC_TYPE (pspec_x) == G_PARAM_SPEC_TYPE (pspec_y))
{
GValue value_x = G_VALUE_INIT;
GValue value_y = G_VALUE_INIT;
g_value_init (&value_x, G_PARAM_SPEC_VALUE_TYPE (pspec_x));
g_value_init (&value_y, G_PARAM_SPEC_VALUE_TYPE (pspec_y));
#define HAS_KEY(p,k,v) gimp_gegl_param_spec_has_key (p, k, v)
if (HAS_KEY (pspec_x, "unit", "relative-coordinate") &&
HAS_KEY (pspec_y, "unit", "relative-coordinate"))
{
x /= (gdouble) width;
y /= (gdouble) height;
}
if (G_IS_PARAM_SPEC_INT (pspec_x))
{
g_value_set_int (&value_x, x);
g_value_set_int (&value_y, y);
g_param_value_validate (pspec_x, &value_x);
g_param_value_validate (pspec_y, &value_y);
g_object_set (im_tool->config,
pspecs[0], g_value_get_int (&value_x),
pspecs[1], g_value_get_int (&value_y),
NULL);
}
else if (G_IS_PARAM_SPEC_DOUBLE (pspec_x))
{
g_value_set_double (&value_x, x);
g_value_set_double (&value_y, y);
g_param_value_validate (pspec_x, &value_x);
g_param_value_validate (pspec_y, &value_y);
g_object_set (im_tool->config,
pspecs[0], g_value_get_double (&value_x),
pspecs[1], g_value_get_double (&value_y),
NULL);
}
else
{
g_warning ("%s: unhandled param spec of type %s",
G_STRFUNC, G_PARAM_SPEC_TYPE_NAME (pspec_x));
}
g_value_unset (&value_x);
g_value_unset (&value_y);
}
}
else
{
g_object_set (im_tool->config,
pspecs[0], color,
NULL);
}
g_strfreev (pspecs);
}
static void
gimp_operation_tool_sync_op (GimpOperationTool *op_tool,
GimpDrawable *drawable)
{
GimpImageMapTool *im_tool = GIMP_IMAGE_MAP_TOOL (op_tool);
GimpToolOptions *options = GIMP_TOOL_GET_OPTIONS (op_tool);
GParamSpec **pspecs;
guint n_pspecs;
gint bounds_x;
gint bounds_y;
gint bounds_width;
gint bounds_height;
gint i;
gimp_item_mask_intersect (GIMP_ITEM (drawable),
&bounds_x, &bounds_y,
&bounds_width, &bounds_height);
pspecs = g_object_class_list_properties (G_OBJECT_GET_CLASS (im_tool->config),
&n_pspecs);
for (i = 0; i < n_pspecs; i++)
{
GParamSpec *pspec = pspecs[i];
#define HAS_KEY(p,k,v) gimp_gegl_param_spec_has_key (p, k, v)
if (HAS_KEY (pspec, "role", "output-extent"))
{
if (HAS_KEY (pspec, "unit", "pixel-coordinate") &&
HAS_KEY (pspec, "axis", "x"))
{
g_object_set (im_tool->config, pspec->name, 0, NULL);
}
else if (HAS_KEY (pspec, "unit", "pixel-coordinate") &&
HAS_KEY (pspec, "axis", "y"))
{
g_object_set (im_tool->config, pspec->name, 0, NULL);
}
else if (HAS_KEY (pspec, "unit", "pixel-distance") &&
HAS_KEY (pspec, "axis", "x"))
{
g_object_set (im_tool->config, pspec->name, bounds_width, NULL);
}
else if (HAS_KEY (pspec, "unit", "pixel-distance") &&
HAS_KEY (pspec, "axis", "y"))
{
g_object_set (im_tool->config, pspec->name, bounds_height, NULL);
}
}
else if (HAS_KEY (pspec, "role", "color-primary"))
{
GimpRGB color;
gimp_context_get_foreground (GIMP_CONTEXT (options), &color);
g_object_set (im_tool->config, pspec->name, &color, NULL);
}
else if (HAS_KEY (pspec, "role", "color-secondary"))
{
GimpRGB color;
gimp_context_get_background (GIMP_CONTEXT (options), &color);
g_object_set (im_tool->config, pspec->name, &color, NULL);
}
}
g_free (pspecs);
}
/* aux input utility functions */
static void
gimp_operation_tool_aux_input_notify (GimpBufferSourceBox *box,
const GParamSpec *pspec,
GimpOperationTool *tool)
{
gimp_image_map_tool_preview (GIMP_IMAGE_MAP_TOOL (tool));
}
static AuxInput *
gimp_operation_tool_aux_input_new (GimpOperationTool *tool,
GeglNode *operation,
const gchar *input_pad,
const gchar *label)
{
AuxInput *input = g_slice_new (AuxInput);
GimpContext *context;
input->node = gegl_node_new_child (NULL,
"operation", "gegl:buffer-source",
NULL);
gegl_node_connect_to (input->node, "output",
operation, input_pad);
context = GIMP_CONTEXT (GIMP_TOOL_GET_OPTIONS (tool));
input->box = gimp_buffer_source_box_new (context, input->node, label);
g_signal_connect (input->box, "notify::pickable",
G_CALLBACK (gimp_operation_tool_aux_input_notify),
tool);
g_signal_connect (input->box, "notify::enabled",
G_CALLBACK (gimp_operation_tool_aux_input_notify),
tool);
return input;
}
static void
gimp_operation_tool_aux_input_clear (AuxInput *input)
{
g_object_set (input->box,
"pickable", NULL,
NULL);
}
static void
gimp_operation_tool_aux_input_free (AuxInput *input)
{
g_object_unref (input->node);
gtk_widget_destroy (input->box);
g_slice_free (AuxInput, input);
}
/* public functions */
void
gimp_operation_tool_set_operation (GimpOperationTool *tool,
const gchar *operation,
const gchar *undo_desc,
const gchar *icon_name)
{
GimpImageMapTool *im_tool;
GtkSizeGroup *size_group = NULL;
gint aux;
g_return_if_fail (GIMP_IS_OPERATION_TOOL (tool));
g_return_if_fail (operation != NULL);
im_tool = GIMP_IMAGE_MAP_TOOL (tool);
if (tool->operation)
g_free (tool->operation);
if (tool->undo_desc)
g_free (tool->undo_desc);
if (tool->icon_name)
g_free (tool->icon_name);
tool->operation = g_strdup (operation);
tool->undo_desc = g_strdup (undo_desc);
tool->icon_name = g_strdup (icon_name);
g_list_free_full (tool->aux_inputs,
(GDestroyNotify) gimp_operation_tool_aux_input_free);
tool->aux_inputs = NULL;
gimp_image_map_tool_get_operation (im_tool);
if (undo_desc)
GIMP_IMAGE_MAP_TOOL_GET_CLASS (tool)->settings_name = "yes"; /* XXX hack */
else
GIMP_IMAGE_MAP_TOOL_GET_CLASS (tool)->settings_name = NULL; /* XXX hack */
if (tool->options_gui)
{
gtk_widget_destroy (tool->options_gui);
tool->options_gui = NULL;
if (im_tool->active_picker)
{
im_tool->active_picker = NULL;
gimp_color_tool_disable (GIMP_COLOR_TOOL (tool));
}
}
for (aux = 1; ; aux++)
{
gchar pad[32];
gchar label[32];
if (aux == 1)
{
g_snprintf (pad, sizeof (pad), "aux");
g_snprintf (label, sizeof (label), _("Aux Input"));
}
else
{
g_snprintf (pad, sizeof (pad), "aux%d", aux);
g_snprintf (label, sizeof (label), _("Aux%d Input"), aux);
}
if (gegl_node_has_pad (im_tool->operation, pad))
{
AuxInput *input;
GtkWidget *toggle;
if (! size_group)
size_group = gtk_size_group_new (GTK_SIZE_GROUP_HORIZONTAL);
input = gimp_operation_tool_aux_input_new (tool,
im_tool->operation, pad,
label);
tool->aux_inputs = g_list_append (tool->aux_inputs, input);
toggle = gimp_buffer_source_box_get_toggle (GIMP_BUFFER_SOURCE_BOX (input->box));
gtk_size_group_add_widget (size_group, toggle);
if (tool->options_box)
{
gtk_box_pack_start (GTK_BOX (tool->options_box), input->box,
FALSE, FALSE, 0);
gtk_widget_show (input->box);
}
}
else
{
break;
}
}
if (size_group)
g_object_unref (size_group);
if (im_tool->config)
{
tool->options_gui =
gimp_prop_gui_new (G_OBJECT (im_tool->config),
G_TYPE_FROM_INSTANCE (im_tool->config),
GIMP_CONTEXT (GIMP_TOOL_GET_OPTIONS (tool)),
(GimpCreatePickerFunc) gimp_image_map_tool_add_color_picker,
tool);
if (tool->options_box)
{
gtk_box_pack_start (GTK_BOX (tool->options_box), tool->options_gui,
FALSE, FALSE, 0);
gtk_widget_show (tool->options_gui);
}
}
if (im_tool->gui)
{
if (undo_desc)
gimp_tool_gui_set_description (im_tool->gui, undo_desc);
if (icon_name)
gimp_tool_gui_set_icon_name (im_tool->gui, icon_name);
}
if (GIMP_TOOL (tool)->drawable)
{
gimp_operation_tool_sync_op (tool, GIMP_TOOL (tool)->drawable);
gimp_image_map_tool_preview (im_tool);
}
}
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