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/*
* Photos - access, organize and share your photos on GNOME
* Copyright © 2015 – 2017 Red Hat, Inc.
*
* 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 <gio/gio.h>
#include <glib.h>
#include <glib/gi18n.h>
#include <gtk/gtk.h>
#include "photos-tool.h"
#include "photos-tool-enhance.h"
#include "photos-utils.h"
struct _PhotosToolEnhance
{
PhotosTool parent_instance;
GAction *denoise;
GAction *sharpen;
GtkWidget *denoise_scale;
GtkWidget *grid;
GtkWidget *sharpen_scale;
guint denoise_value_changed_id;
guint sharpen_value_changed_id;
};
G_DEFINE_TYPE_WITH_CODE (PhotosToolEnhance, photos_tool_enhance, PHOTOS_TYPE_TOOL,
photos_utils_ensure_extension_points ();
g_io_extension_point_implement (PHOTOS_TOOL_EXTENSION_POINT_NAME,
g_define_type_id,
"enhance",
300));
static const gint DENOISE_ITERATIONS_DEFAULT = 0;
static const gint DENOISE_ITERATIONS_MAXIMUM = 16;
static const gint DENOISE_ITERATIONS_MINIMUM = 0;
static const gint DENOISE_ITERATIONS_STEP = 1;
static const gdouble SHARPEN_SCALE_DEFAULT = 0.0;
static const gdouble SHARPEN_SCALE_MAXIMUM = 10.0;
static const gdouble SHARPEN_SCALE_MINIMUM = 0.0;
static const gdouble SHARPEN_SCALE_STEP = 0.5;
static gboolean
photos_tool_enhance_denoise_value_changed_timeout (gpointer user_data)
{
PhotosToolEnhance *self = PHOTOS_TOOL_ENHANCE (user_data);
GVariant *parameter;
guint16 value;
value = (guint16) gtk_range_get_value (GTK_RANGE (self->denoise_scale));
parameter = g_variant_new_uint16 (value);
g_action_activate (self->denoise, parameter);
self->denoise_value_changed_id = 0;
return G_SOURCE_REMOVE;
}
static void
photos_tool_enhance_denoise_value_changed (PhotosToolEnhance *self)
{
if (self->denoise_value_changed_id != 0)
g_source_remove (self->denoise_value_changed_id);
self->denoise_value_changed_id = g_timeout_add (150, photos_tool_enhance_denoise_value_changed_timeout, self);
}
static gboolean
photos_tool_enhance_sharpen_value_changed_timeout (gpointer user_data)
{
PhotosToolEnhance *self = PHOTOS_TOOL_ENHANCE (user_data);
GVariant *parameter;
gdouble value;
value = gtk_range_get_value (GTK_RANGE (self->sharpen_scale));
parameter = g_variant_new_double (value);
g_action_activate (self->sharpen, parameter);
self->sharpen_value_changed_id = 0;
return G_SOURCE_REMOVE;
}
static void
photos_tool_enhance_sharpen_value_changed (PhotosToolEnhance *self)
{
if (self->sharpen_value_changed_id != 0)
g_source_remove (self->sharpen_value_changed_id);
self->sharpen_value_changed_id = g_timeout_add (150, photos_tool_enhance_sharpen_value_changed_timeout, self);
}
static void
photos_tool_enhance_activate (PhotosTool *tool, PhotosBaseItem *item, PhotosImageView *view)
{
PhotosToolEnhance *self = PHOTOS_TOOL_ENHANCE (tool);
gdouble sharpen_scale;
gint denoise_iterations;
if (!photos_base_item_operation_get (item, "gegl:noise-reduction", "iterations", &denoise_iterations, NULL))
denoise_iterations = DENOISE_ITERATIONS_DEFAULT;
denoise_iterations = CLAMP (denoise_iterations, DENOISE_ITERATIONS_MINIMUM, DENOISE_ITERATIONS_MAXIMUM);
g_signal_handlers_block_by_func (self->denoise_scale, photos_tool_enhance_denoise_value_changed, self);
gtk_range_set_value (GTK_RANGE (self->denoise_scale), (gdouble) denoise_iterations);
g_signal_handlers_unblock_by_func (self->denoise_scale, photos_tool_enhance_denoise_value_changed, self);
if (!photos_base_item_operation_get (item, "gegl:unsharp-mask", "scale", &sharpen_scale, NULL))
sharpen_scale = SHARPEN_SCALE_DEFAULT;
sharpen_scale = CLAMP (sharpen_scale, SHARPEN_SCALE_MINIMUM, SHARPEN_SCALE_MAXIMUM);
g_signal_handlers_block_by_func (self->sharpen_scale, photos_tool_enhance_sharpen_value_changed, self);
gtk_range_set_value (GTK_RANGE (self->sharpen_scale), sharpen_scale);
g_signal_handlers_unblock_by_func (self->sharpen_scale, photos_tool_enhance_sharpen_value_changed, self);
g_signal_emit_by_name (self, "activated");
}
static GtkWidget *
photos_tool_enhance_get_widget (PhotosTool *tool)
{
PhotosToolEnhance *self = PHOTOS_TOOL_ENHANCE (tool);
return self->grid;
}
static void
photos_tool_enhance_dispose (GObject *object)
{
PhotosToolEnhance *self = PHOTOS_TOOL_ENHANCE (object);
g_clear_object (&self->grid);
G_OBJECT_CLASS (photos_tool_enhance_parent_class)->dispose (object);
}
static void
photos_tool_enhance_finalize (GObject *object)
{
PhotosToolEnhance *self = PHOTOS_TOOL_ENHANCE (object);
if (self->denoise_value_changed_id != 0)
g_source_remove (self->denoise_value_changed_id);
if (self->sharpen_value_changed_id != 0)
g_source_remove (self->sharpen_value_changed_id);
G_OBJECT_CLASS (photos_tool_enhance_parent_class)->dispose (object);
}
static void
photos_tool_enhance_init (PhotosToolEnhance *self)
{
GApplication *app;
GtkStyleContext *context;
GtkWidget *box;
GtkWidget *label;
app = g_application_get_default ();
self->denoise = g_action_map_lookup_action (G_ACTION_MAP (app), "denoise-current");
self->sharpen = g_action_map_lookup_action (G_ACTION_MAP (app), "sharpen-current");
self->grid = g_object_ref_sink (gtk_grid_new ());
gtk_orientable_set_orientation (GTK_ORIENTABLE (self->grid), GTK_ORIENTATION_VERTICAL);
gtk_grid_set_row_spacing (GTK_GRID (self->grid), 12);
box = gtk_box_new (GTK_ORIENTATION_VERTICAL, 3);
gtk_container_add (GTK_CONTAINER (self->grid), box);
label = gtk_label_new (_("Sharpen"));
gtk_widget_set_halign (label, GTK_ALIGN_START);
context = gtk_widget_get_style_context (label);
gtk_style_context_add_class (context, "dim-label");
gtk_container_add (GTK_CONTAINER (box), label);
self->sharpen_scale = gtk_scale_new_with_range (GTK_ORIENTATION_HORIZONTAL,
SHARPEN_SCALE_MINIMUM,
SHARPEN_SCALE_MAXIMUM,
SHARPEN_SCALE_STEP);
gtk_widget_set_hexpand (self->sharpen_scale, TRUE);
gtk_scale_set_draw_value (GTK_SCALE (self->sharpen_scale), FALSE);
gtk_container_add (GTK_CONTAINER (box), self->sharpen_scale);
g_signal_connect_swapped (self->sharpen_scale,
"value-changed",
G_CALLBACK (photos_tool_enhance_sharpen_value_changed),
self);
box = gtk_box_new (GTK_ORIENTATION_VERTICAL, 3);
gtk_container_add (GTK_CONTAINER (self->grid), box);
label = gtk_label_new (_("Denoise"));
gtk_widget_set_halign (label, GTK_ALIGN_START);
context = gtk_widget_get_style_context (label);
gtk_style_context_add_class (context, "dim-label");
gtk_container_add (GTK_CONTAINER (box), label);
self->denoise_scale = gtk_scale_new_with_range (GTK_ORIENTATION_HORIZONTAL,
DENOISE_ITERATIONS_MINIMUM,
DENOISE_ITERATIONS_MAXIMUM,
DENOISE_ITERATIONS_STEP);
gtk_widget_set_hexpand (self->denoise_scale, TRUE);
gtk_scale_set_draw_value (GTK_SCALE (self->denoise_scale), FALSE);
gtk_container_add (GTK_CONTAINER (box), self->denoise_scale);
g_signal_connect_swapped (self->denoise_scale,
"value-changed",
G_CALLBACK (photos_tool_enhance_denoise_value_changed),
self);
}
static void
photos_tool_enhance_class_init (PhotosToolEnhanceClass *class)
{
GObjectClass *object_class = G_OBJECT_CLASS (class);
PhotosToolClass *tool_class = PHOTOS_TOOL_CLASS (class);
tool_class->icon_name = "image-auto-adjust-symbolic";
tool_class->name = _("Enhance");
object_class->dispose = photos_tool_enhance_dispose;
object_class->finalize = photos_tool_enhance_finalize;
tool_class->activate = photos_tool_enhance_activate;
tool_class->get_widget = photos_tool_enhance_get_widget;
}
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