gimp/app/tools/gimpgegltool.c

451 lines
12 KiB
C

/* 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 <gegl-plugin.h>
#include <gtk/gtk.h>
#include "libgimpcolor/gimpcolor.h"
#include "libgimpconfig/gimpconfig.h"
#include "libgimpwidgets/gimpwidgets.h"
#include "tools-types.h"
#include "widgets/gimphelp-ids.h"
#include "widgets/gimppropwidgets.h"
#include "gimpcoloroptions.h"
#include "gimpgegltool.h"
#include "gimp-intl.h"
enum
{
COLUMN_NAME,
COLUMN_LABEL,
COLUMN_ICON_NAME,
N_COLUMNS
};
/* local function prototypes */
static void gimp_gegl_tool_dialog (GimpImageMapTool *im_tool);
static void gimp_gegl_tool_operation_changed (GtkWidget *widget,
GimpGeglTool *tool);
G_DEFINE_TYPE (GimpGeglTool, gimp_gegl_tool, GIMP_TYPE_OPERATION_TOOL)
#define parent_class gimp_gegl_tool_parent_class
void
gimp_gegl_tool_register (GimpToolRegisterCallback callback,
gpointer data)
{
(* callback) (GIMP_TYPE_GEGL_TOOL,
GIMP_TYPE_COLOR_OPTIONS,
gimp_color_options_gui,
0,
"gimp-gegl-tool",
_("GEGL Operation"),
_("GEGL Tool: Use an arbitrary GEGL operation"),
N_("_GEGL Operation..."), NULL,
NULL, GIMP_HELP_TOOL_GEGL,
GIMP_STOCK_GEGL,
data);
}
static void
gimp_gegl_tool_class_init (GimpGeglToolClass *klass)
{
GimpImageMapToolClass *im_tool_class = GIMP_IMAGE_MAP_TOOL_CLASS (klass);
im_tool_class->dialog_desc = _("GEGL Operation");
im_tool_class->dialog = gimp_gegl_tool_dialog;
}
static void
gimp_gegl_tool_init (GimpGeglTool *tool)
{
}
static gboolean
gimp_gegl_tool_operation_blacklisted (const gchar *name,
const gchar *categories_str)
{
static const gchar * const category_blacklist[] =
{
"compositors",
"core",
"debug",
"display",
"hidden",
"input",
"output",
"programming",
"transform",
"video"
};
static const gchar * const name_blacklist[] =
{
/* these ops are already added to the menus via
* filters-actions or drawable-actions
*/
"gegl:alien-map",
"gegl:antialias",
"gegl:apply-lens",
"gegl:bump-map",
"gegl:c2g",
"gegl:cartoon",
"gegl:cell-noise",
"gegl:channel-mixer",
"gegl:checkerboard",
"gegl:color",
"gegl:color-exchange",
"gegl:color-reduction",
"gegl:color-rotate",
"gegl:color-temperature",
"gegl:color-to-alpha",
"gegl:convolution-matrix",
"gegl:cubism",
"gegl:deinterlace",
"gegl:difference-of-gaussians",
"gegl:distance-transform",
"gegl:dropshadow",
"gegl:edge-laplace",
"gegl:edge-sobel",
"gegl:emboss",
"gegl:exposure",
"gegl:fractal-trace",
"gegl:gaussian-blur",
"gegl:grid",
"gegl:invert-linear",
"gegl:invert-gamma",
"gegl:lens-distortion",
"gegl:mirrors",
"gegl:mono-mixer",
"gegl:mosaic",
"gegl:motion-blur-circular",
"gegl:motion-blur-linear",
"gegl:motion-blur-zoom",
"gegl:noise-cie-lch",
"gegl:noise-hsv",
"gegl:noise-hurl",
"gegl:noise-pick",
"gegl:noise-reduction",
"gegl:noise-rgb",
"gegl:noise-slur",
"gegl:noise-spread",
"gegl:oilify",
"gegl:panorama-projection",
"gegl:perlin-noise",
"gegl:photocopy",
"gegl:pixelize",
"gegl:plasma",
"gegl:polar-coordinates",
"gegl:red-eye-removal",
"gegl:ripple",
"gegl:simplex-noise",
"gegl:shift",
"gegl:softglow",
"gegl:stretch-contrast",
"gegl:stretch-contrast-hsv",
"gegl:supernova",
"gegl:texturize-canvas",
"gegl:tile-glass",
"gegl:tile-seamless",
"gegl:unsharp-mask",
"gegl:value-invert",
"gegl:video-degradation",
"gegl:vignette",
"gegl:waves",
"gegl:whirl-pinch",
"gegl:wind",
/* these ops are blacklisted for other reasons */
"gegl:contrast-curve",
"gegl:convert-format", /* pointless */
"gegl:fill-path",
"gegl:gray", /* we use gimp's op */
"gegl:hstack", /* pointless */
"gegl:introspect", /* pointless */
"gegl:layer", /* we use gimp's ops */
"gegl:matting-global", /* used in the foreground select tool */
"gegl:opacity", /* poinless */
"gegl:path",
"gegl:posterize", /* we use gimp's op */
"gegl:seamless-clone", /* used in the seamless clone tool */
"gegl:text", /* we use gimp's text rendering */
"gegl:threshold", /* we use gimp's op */
"gegl:tile", /* pointless */
"gegl:vector-stroke",
};
gchar **categories;
gint i;
/* Operations with no name are abstract base classes */
if (! name)
return TRUE;
if (g_str_has_prefix (name, "gimp"))
return TRUE;
for (i = 0; i < G_N_ELEMENTS (name_blacklist); i++)
{
if (! strcmp (name, name_blacklist[i]))
return TRUE;
}
if (! categories_str)
return FALSE;
categories = g_strsplit (categories_str, ":", 0);
for (i = 0; i < G_N_ELEMENTS (category_blacklist); i++)
{
gint j;
for (j = 0; categories[j]; j++)
if (! strcmp (categories[j], category_blacklist[i]))
{
g_strfreev (categories);
return TRUE;
}
}
g_strfreev (categories);
return FALSE;
}
/* Builds a GList of the class structures of all subtypes of type.
*/
static GList *
gimp_get_subtype_classes (GType type,
GList *classes)
{
GeglOperationClass *klass;
GType *ops;
const gchar *categories;
guint n_ops;
gint i;
if (! type)
return classes;
klass = GEGL_OPERATION_CLASS (g_type_class_ref (type));
ops = g_type_children (type, &n_ops);
categories = gegl_operation_class_get_key (klass, "categories");
if (! gimp_gegl_tool_operation_blacklisted (klass->name, categories))
classes = g_list_prepend (classes, klass);
for (i = 0; i < n_ops; i++)
classes = gimp_get_subtype_classes (ops[i], classes);
if (ops)
g_free (ops);
return classes;
}
static gint
gimp_gegl_tool_compare_operation_names (GeglOperationClass *a,
GeglOperationClass *b)
{
const gchar *name_a = gegl_operation_class_get_key (a, "title");
const gchar *name_b = gegl_operation_class_get_key (b, "title");
if (! name_a) name_a = a->name;
if (! name_b) name_b = b->name;
return strcmp (name_a, name_b);
}
static GList *
gimp_get_geglopclasses (void)
{
GList *opclasses;
opclasses = gimp_get_subtype_classes (GEGL_TYPE_OPERATION, NULL);
opclasses = g_list_sort (opclasses,
(GCompareFunc)
gimp_gegl_tool_compare_operation_names);
return opclasses;
}
/*****************/
/* Gegl dialog */
/*****************/
static void
gimp_gegl_tool_dialog (GimpImageMapTool *image_map_tool)
{
GimpGeglTool *tool = GIMP_GEGL_TOOL (image_map_tool);
GimpOperationTool *o_tool = GIMP_OPERATION_TOOL (image_map_tool);
GtkListStore *store;
GtkCellRenderer *cell;
GtkWidget *main_vbox;
GtkWidget *hbox;
GtkWidget *combo;
GList *opclasses;
GList *iter;
GIMP_IMAGE_MAP_TOOL_CLASS (parent_class)->dialog (image_map_tool);
main_vbox = gimp_image_map_tool_dialog_get_vbox (image_map_tool);
/* The operation combo box */
hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 6);
gtk_box_pack_start (GTK_BOX (main_vbox), hbox, FALSE, FALSE, 0);
gtk_box_reorder_child (GTK_BOX (main_vbox), hbox, 0);
gtk_widget_show (hbox);
store = gtk_list_store_new (N_COLUMNS,
G_TYPE_STRING, G_TYPE_STRING, G_TYPE_STRING);
opclasses = gimp_get_geglopclasses ();
for (iter = opclasses; iter; iter = iter->next)
{
GeglOperationClass *opclass = GEGL_OPERATION_CLASS (iter->data);
const gchar *icon_name = NULL;
const gchar *op_name = opclass->name;
const gchar *title;
gchar *label;
if (g_str_has_prefix (opclass->name, "gegl:"))
icon_name = GIMP_STOCK_GEGL;
if (g_str_has_prefix (op_name, "gegl:"))
op_name += strlen ("gegl:");
title = gegl_operation_class_get_key (opclass, "title");
if (title)
label = g_strdup_printf ("%s (%s)", title, op_name);
else
label = g_strdup (op_name);
gtk_list_store_insert_with_values (store, NULL, -1,
COLUMN_NAME, opclass->name,
COLUMN_LABEL, label,
COLUMN_ICON_NAME, icon_name,
-1);
g_free (label);
}
g_list_free (opclasses);
combo = gtk_combo_box_new_with_model (GTK_TREE_MODEL (store));
g_object_unref (store);
gtk_box_pack_start (GTK_BOX (hbox), combo, TRUE, TRUE, 0);
gtk_widget_show (combo);
cell = gtk_cell_renderer_pixbuf_new ();
gtk_cell_layout_pack_start (GTK_CELL_LAYOUT (combo), cell, FALSE);
gtk_cell_layout_add_attribute (GTK_CELL_LAYOUT (combo), cell,
"icon-name", COLUMN_ICON_NAME);
cell = gtk_cell_renderer_text_new ();
g_object_set (cell,
"ellipsize", PANGO_ELLIPSIZE_MIDDLE,
NULL);
gtk_cell_layout_pack_start (GTK_CELL_LAYOUT (combo), cell, TRUE);
gtk_cell_layout_add_attribute (GTK_CELL_LAYOUT (combo), cell,
"text", COLUMN_LABEL);
g_signal_connect (combo, "changed",
G_CALLBACK (gimp_gegl_tool_operation_changed),
tool);
tool->operation_combo = combo;
tool->description_label = gtk_label_new ("");
gtk_label_set_line_wrap (GTK_LABEL (tool->description_label), TRUE);
gtk_misc_set_alignment (GTK_MISC (tool->description_label), 0.0, 0.0);
gtk_box_pack_start (GTK_BOX (main_vbox), tool->description_label,
FALSE, FALSE, 0);
gtk_box_reorder_child (GTK_BOX (main_vbox), tool->description_label, 1);
/* The options vbox */
o_tool->options_gui =
gtk_label_new (_("Select an operation from the list above"));
gimp_label_set_attributes (GTK_LABEL (o_tool->options_gui),
PANGO_ATTR_STYLE, PANGO_STYLE_ITALIC,
-1);
gtk_misc_set_padding (GTK_MISC (o_tool->options_gui), 0, 4);
gtk_container_add (GTK_CONTAINER (o_tool->options_box),
o_tool->options_gui);
gtk_widget_show (o_tool->options_gui);
}
static void
gimp_gegl_tool_operation_changed (GtkWidget *widget,
GimpGeglTool *tool)
{
GtkTreeModel *model;
GtkTreeIter iter;
gchar *operation;
if (! gtk_combo_box_get_active_iter (GTK_COMBO_BOX (widget), &iter))
return;
model = gtk_combo_box_get_model (GTK_COMBO_BOX (widget));
gtk_tree_model_get (model, &iter,
COLUMN_NAME, &operation,
-1);
if (operation)
{
const gchar *description;
description = gegl_operation_get_key (operation, "description");
if (description)
{
gtk_label_set_text (GTK_LABEL (tool->description_label), description);
gtk_widget_show (tool->description_label);
}
else
{
gtk_widget_hide (tool->description_label);
}
gimp_operation_tool_set_operation (GIMP_OPERATION_TOOL (tool),
operation, NULL, NULL);
g_free (operation);
}
}