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-rw-r--r--app/actions/channels-commands.c567
1 files changed, 567 insertions, 0 deletions
diff --git a/app/actions/channels-commands.c b/app/actions/channels-commands.c
new file mode 100644
index 0000000..6701242
--- /dev/null
+++ b/app/actions/channels-commands.c
@@ -0,0 +1,567 @@
+/* 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 <string.h>
+
+#include <gegl.h>
+#include <gtk/gtk.h>
+
+#include "libgimpbase/gimpbase.h"
+#include "libgimpcolor/gimpcolor.h"
+#include "libgimpwidgets/gimpwidgets.h"
+
+#include "actions-types.h"
+
+#include "config/gimpdialogconfig.h"
+
+#include "core/gimp.h"
+#include "core/gimpchannel.h"
+#include "core/gimpchannel-select.h"
+#include "core/gimpcontext.h"
+#include "core/gimpdrawable-fill.h"
+#include "core/gimpimage.h"
+#include "core/gimpimage-undo.h"
+
+#include "widgets/gimpaction.h"
+#include "widgets/gimpcolorpanel.h"
+#include "widgets/gimpcomponenteditor.h"
+#include "widgets/gimpdock.h"
+#include "widgets/gimphelp-ids.h"
+
+#include "dialogs/dialogs.h"
+#include "dialogs/channel-options-dialog.h"
+
+#include "actions.h"
+#include "channels-commands.h"
+#include "items-commands.h"
+
+#include "gimp-intl.h"
+
+
+#define RGBA_EPSILON 1e-6
+
+
+/* local function prototypes */
+
+static void channels_new_callback (GtkWidget *dialog,
+ GimpImage *image,
+ GimpChannel *channel,
+ GimpContext *context,
+ const gchar *channel_name,
+ const GimpRGB *channel_color,
+ gboolean save_selection,
+ gboolean channel_visible,
+ gboolean channel_linked,
+ GimpColorTag channel_color_tag,
+ gboolean channel_lock_content,
+ gboolean channel_lock_position,
+ gpointer user_data);
+static void channels_edit_attributes_callback (GtkWidget *dialog,
+ GimpImage *image,
+ GimpChannel *channel,
+ GimpContext *context,
+ const gchar *channel_name,
+ const GimpRGB *channel_color,
+ gboolean save_selection,
+ gboolean channel_visible,
+ gboolean channel_linked,
+ GimpColorTag channel_color_tag,
+ gboolean channel_lock_content,
+ gboolean channel_lock_position,
+ gpointer user_data);
+
+
+/* public functions */
+
+void
+channels_edit_attributes_cmd_callback (GimpAction *action,
+ GVariant *value,
+ gpointer data)
+{
+ GimpImage *image;
+ GimpChannel *channel;
+ GtkWidget *widget;
+ GtkWidget *dialog;
+ return_if_no_channel (image, channel, data);
+ return_if_no_widget (widget, data);
+
+#define EDIT_DIALOG_KEY "gimp-channel-edit-attributes-dialog"
+
+ dialog = dialogs_get_dialog (G_OBJECT (channel), EDIT_DIALOG_KEY);
+
+ if (! dialog)
+ {
+ GimpItem *item = GIMP_ITEM (channel);
+
+ dialog = channel_options_dialog_new (image, channel,
+ action_data_get_context (data),
+ widget,
+ _("Channel Attributes"),
+ "gimp-channel-edit",
+ GIMP_ICON_EDIT,
+ _("Edit Channel Attributes"),
+ GIMP_HELP_CHANNEL_EDIT,
+ _("Edit Channel Color"),
+ _("_Fill opacity:"),
+ FALSE,
+ gimp_object_get_name (channel),
+ &channel->color,
+ gimp_item_get_visible (item),
+ gimp_item_get_linked (item),
+ gimp_item_get_color_tag (item),
+ gimp_item_get_lock_content (item),
+ gimp_item_get_lock_position (item),
+ channels_edit_attributes_callback,
+ NULL);
+
+ dialogs_attach_dialog (G_OBJECT (channel), EDIT_DIALOG_KEY, dialog);
+ }
+
+ gtk_window_present (GTK_WINDOW (dialog));
+}
+
+void
+channels_new_cmd_callback (GimpAction *action,
+ GVariant *value,
+ gpointer data)
+{
+ GimpImage *image;
+ GtkWidget *widget;
+ GtkWidget *dialog;
+ return_if_no_image (image, data);
+ return_if_no_widget (widget, data);
+
+#define NEW_DIALOG_KEY "gimp-channel-new-dialog"
+
+ dialog = dialogs_get_dialog (G_OBJECT (image), NEW_DIALOG_KEY);
+
+ if (! dialog)
+ {
+ GimpDialogConfig *config = GIMP_DIALOG_CONFIG (image->gimp->config);
+
+ dialog = channel_options_dialog_new (image, NULL,
+ action_data_get_context (data),
+ widget,
+ _("New Channel"),
+ "gimp-channel-new",
+ GIMP_ICON_CHANNEL,
+ _("Create a New Channel"),
+ GIMP_HELP_CHANNEL_NEW,
+ _("New Channel Color"),
+ _("_Fill opacity:"),
+ TRUE,
+ config->channel_new_name,
+ &config->channel_new_color,
+ TRUE,
+ FALSE,
+ GIMP_COLOR_TAG_NONE,
+ FALSE,
+ FALSE,
+ channels_new_callback,
+ NULL);
+
+ dialogs_attach_dialog (G_OBJECT (image), NEW_DIALOG_KEY, dialog);
+ }
+
+ gtk_window_present (GTK_WINDOW (dialog));
+}
+
+void
+channels_new_last_vals_cmd_callback (GimpAction *action,
+ GVariant *value,
+ gpointer data)
+{
+ GimpImage *image;
+ GimpChannel *channel;
+ GimpDialogConfig *config;
+ return_if_no_image (image, data);
+
+ config = GIMP_DIALOG_CONFIG (image->gimp->config);
+
+ channel = gimp_channel_new (image,
+ gimp_image_get_width (image),
+ gimp_image_get_height (image),
+ config->channel_new_name,
+ &config->channel_new_color);
+
+ gimp_drawable_fill (GIMP_DRAWABLE (channel),
+ action_data_get_context (data),
+ GIMP_FILL_TRANSPARENT);
+
+ gimp_image_add_channel (image, channel,
+ GIMP_IMAGE_ACTIVE_PARENT, -1, TRUE);
+ gimp_image_flush (image);
+}
+
+void
+channels_raise_cmd_callback (GimpAction *action,
+ GVariant *value,
+ gpointer data)
+{
+ GimpImage *image;
+ GimpChannel *channel;
+ return_if_no_channel (image, channel, data);
+
+ gimp_image_raise_item (image, GIMP_ITEM (channel), NULL);
+ gimp_image_flush (image);
+}
+
+void
+channels_raise_to_top_cmd_callback (GimpAction *action,
+ GVariant *value,
+ gpointer data)
+{
+ GimpImage *image;
+ GimpChannel *channel;
+ return_if_no_channel (image, channel, data);
+
+ gimp_image_raise_item_to_top (image, GIMP_ITEM (channel));
+ gimp_image_flush (image);
+}
+
+void
+channels_lower_cmd_callback (GimpAction *action,
+ GVariant *value,
+ gpointer data)
+{
+ GimpImage *image;
+ GimpChannel *channel;
+ return_if_no_channel (image, channel, data);
+
+ gimp_image_lower_item (image, GIMP_ITEM (channel), NULL);
+ gimp_image_flush (image);
+}
+
+void
+channels_lower_to_bottom_cmd_callback (GimpAction *action,
+ GVariant *value,
+ gpointer data)
+{
+ GimpImage *image;
+ GimpChannel *channel;
+ return_if_no_channel (image, channel, data);
+
+ gimp_image_lower_item_to_bottom (image, GIMP_ITEM (channel));
+ gimp_image_flush (image);
+}
+
+void
+channels_duplicate_cmd_callback (GimpAction *action,
+ GVariant *value,
+ gpointer data)
+{
+ GimpImage *image;
+ GimpChannel *new_channel;
+ GimpChannel *parent = GIMP_IMAGE_ACTIVE_PARENT;
+
+ if (GIMP_IS_COMPONENT_EDITOR (data))
+ {
+ GimpChannelType component;
+ const gchar *desc;
+ gchar *name;
+ return_if_no_image (image, data);
+
+ component = GIMP_COMPONENT_EDITOR (data)->clicked_component;
+
+ gimp_enum_get_value (GIMP_TYPE_CHANNEL_TYPE, component,
+ NULL, NULL, &desc, NULL);
+
+ name = g_strdup_printf (_("%s Channel Copy"), desc);
+
+ new_channel = gimp_channel_new_from_component (image, component,
+ name, NULL);
+
+ /* copied components are invisible by default so subsequent copies
+ * of components don't affect each other
+ */
+ gimp_item_set_visible (GIMP_ITEM (new_channel), FALSE, FALSE);
+
+ g_free (name);
+ }
+ else
+ {
+ GimpChannel *channel;
+ return_if_no_channel (image, channel, data);
+
+ new_channel =
+ GIMP_CHANNEL (gimp_item_duplicate (GIMP_ITEM (channel),
+ G_TYPE_FROM_INSTANCE (channel)));
+
+ /* use the actual parent here, not GIMP_IMAGE_ACTIVE_PARENT because
+ * the latter would add a duplicated group inside itself instead of
+ * above it
+ */
+ parent = gimp_channel_get_parent (channel);
+ }
+
+ gimp_image_add_channel (image, new_channel, parent, -1, TRUE);
+ gimp_image_flush (image);
+}
+
+void
+channels_delete_cmd_callback (GimpAction *action,
+ GVariant *value,
+ gpointer data)
+{
+ GimpImage *image;
+ GimpChannel *channel;
+ return_if_no_channel (image, channel, data);
+
+ gimp_image_remove_channel (image, channel, TRUE, NULL);
+ gimp_image_flush (image);
+}
+
+void
+channels_to_selection_cmd_callback (GimpAction *action,
+ GVariant *value,
+ gpointer data)
+{
+ GimpChannelOps op;
+ GimpImage *image;
+
+ op = (GimpChannelOps) g_variant_get_int32 (value);
+
+ if (GIMP_IS_COMPONENT_EDITOR (data))
+ {
+ GimpChannelType component;
+ return_if_no_image (image, data);
+
+ component = GIMP_COMPONENT_EDITOR (data)->clicked_component;
+
+ gimp_channel_select_component (gimp_image_get_mask (image), component,
+ op, FALSE, 0.0, 0.0);
+ }
+ else
+ {
+ GimpChannel *channel;
+ return_if_no_channel (image, channel, data);
+
+ gimp_item_to_selection (GIMP_ITEM (channel),
+ op, TRUE, FALSE, 0.0, 0.0);
+ }
+
+ gimp_image_flush (image);
+}
+
+void
+channels_visible_cmd_callback (GimpAction *action,
+ GVariant *value,
+ gpointer data)
+{
+ GimpImage *image;
+ GimpChannel *channel;
+ return_if_no_channel (image, channel, data);
+
+ items_visible_cmd_callback (action, value, image, GIMP_ITEM (channel));
+}
+
+void
+channels_linked_cmd_callback (GimpAction *action,
+ GVariant *value,
+ gpointer data)
+{
+ GimpImage *image;
+ GimpChannel *channel;
+ return_if_no_channel (image, channel, data);
+
+ items_linked_cmd_callback (action, value, image, GIMP_ITEM (channel));
+}
+
+void
+channels_lock_content_cmd_callback (GimpAction *action,
+ GVariant *value,
+ gpointer data)
+{
+ GimpImage *image;
+ GimpChannel *channel;
+ return_if_no_channel (image, channel, data);
+
+ items_lock_content_cmd_callback (action, value, image, GIMP_ITEM (channel));
+}
+
+void
+channels_lock_position_cmd_callback (GimpAction *action,
+ GVariant *value,
+ gpointer data)
+{
+ GimpImage *image;
+ GimpChannel *channel;
+ return_if_no_channel (image, channel, data);
+
+ items_lock_position_cmd_callback (action, value, image, GIMP_ITEM (channel));
+}
+
+void
+channels_color_tag_cmd_callback (GimpAction *action,
+ GVariant *value,
+ gpointer data)
+{
+ GimpImage *image;
+ GimpChannel *channel;
+ GimpColorTag color_tag;
+ return_if_no_channel (image, channel, data);
+
+ color_tag = (GimpColorTag) g_variant_get_int32 (value);
+
+ items_color_tag_cmd_callback (action, image, GIMP_ITEM (channel),
+ color_tag);
+}
+
+void
+channels_select_cmd_callback (GimpAction *action,
+ GVariant *value,
+ gpointer data)
+{
+ GimpImage *image;
+ GimpChannel *channel;
+ GimpChannel *channel2;
+ GimpContainer *container;
+ GimpActionSelectType select_type;
+ return_if_no_channel (image, channel, data);
+
+ select_type = (GimpActionSelectType) g_variant_get_int32 (value);
+
+ container = gimp_image_get_channels (image);
+ channel2 = (GimpChannel *) action_select_object (select_type, container,
+ (GimpObject *) channel);
+
+ if (channel2 && channel2 != channel)
+ {
+ gimp_image_set_active_channel (image, channel2);
+ gimp_image_flush (image);
+ }
+}
+
+/* private functions */
+
+static void
+channels_new_callback (GtkWidget *dialog,
+ GimpImage *image,
+ GimpChannel *channel,
+ GimpContext *context,
+ const gchar *channel_name,
+ const GimpRGB *channel_color,
+ gboolean save_selection,
+ gboolean channel_visible,
+ gboolean channel_linked,
+ GimpColorTag channel_color_tag,
+ gboolean channel_lock_content,
+ gboolean channel_lock_position,
+ gpointer user_data)
+{
+ GimpDialogConfig *config = GIMP_DIALOG_CONFIG (image->gimp->config);
+
+ g_object_set (config,
+ "channel-new-name", channel_name,
+ "channel-new-color", channel_color,
+ NULL);
+
+ if (save_selection)
+ {
+ GimpChannel *selection = gimp_image_get_mask (image);
+
+ channel = GIMP_CHANNEL (gimp_item_duplicate (GIMP_ITEM (selection),
+ GIMP_TYPE_CHANNEL));
+
+ gimp_object_set_name (GIMP_OBJECT (channel),
+ config->channel_new_name);
+ gimp_channel_set_color (channel, &config->channel_new_color, FALSE);
+ }
+ else
+ {
+ channel = gimp_channel_new (image,
+ gimp_image_get_width (image),
+ gimp_image_get_height (image),
+ config->channel_new_name,
+ &config->channel_new_color);
+
+ gimp_drawable_fill (GIMP_DRAWABLE (channel), context,
+ GIMP_FILL_TRANSPARENT);
+ }
+
+ gimp_item_set_visible (GIMP_ITEM (channel), channel_visible, FALSE);
+ gimp_item_set_linked (GIMP_ITEM (channel), channel_linked, FALSE);
+ gimp_item_set_color_tag (GIMP_ITEM (channel), channel_color_tag, FALSE);
+ gimp_item_set_lock_content (GIMP_ITEM (channel), channel_lock_content, FALSE);
+ gimp_item_set_lock_position (GIMP_ITEM (channel), channel_lock_position, FALSE);
+
+ gimp_image_add_channel (image, channel,
+ GIMP_IMAGE_ACTIVE_PARENT, -1, TRUE);
+ gimp_image_flush (image);
+
+ gtk_widget_destroy (dialog);
+}
+
+static void
+channels_edit_attributes_callback (GtkWidget *dialog,
+ GimpImage *image,
+ GimpChannel *channel,
+ GimpContext *context,
+ const gchar *channel_name,
+ const GimpRGB *channel_color,
+ gboolean save_selection,
+ gboolean channel_visible,
+ gboolean channel_linked,
+ GimpColorTag channel_color_tag,
+ gboolean channel_lock_content,
+ gboolean channel_lock_position,
+ gpointer user_data)
+{
+ GimpItem *item = GIMP_ITEM (channel);
+
+ if (strcmp (channel_name, gimp_object_get_name (channel)) ||
+ gimp_rgba_distance (channel_color, &channel->color) > RGBA_EPSILON ||
+ channel_visible != gimp_item_get_visible (item) ||
+ channel_linked != gimp_item_get_linked (item) ||
+ channel_color_tag != gimp_item_get_color_tag (item) ||
+ channel_lock_content != gimp_item_get_lock_content (item) ||
+ channel_lock_position != gimp_item_get_lock_position (item))
+ {
+ gimp_image_undo_group_start (image,
+ GIMP_UNDO_GROUP_ITEM_PROPERTIES,
+ _("Channel Attributes"));
+
+ if (strcmp (channel_name, gimp_object_get_name (channel)))
+ gimp_item_rename (GIMP_ITEM (channel), channel_name, NULL);
+
+ if (gimp_rgba_distance (channel_color, &channel->color) > RGBA_EPSILON)
+ gimp_channel_set_color (channel, channel_color, TRUE);
+
+ if (channel_visible != gimp_item_get_visible (item))
+ gimp_item_set_visible (item, channel_visible, TRUE);
+
+ if (channel_linked != gimp_item_get_linked (item))
+ gimp_item_set_linked (item, channel_linked, TRUE);
+
+ if (channel_color_tag != gimp_item_get_color_tag (item))
+ gimp_item_set_color_tag (item, channel_color_tag, TRUE);
+
+ if (channel_lock_content != gimp_item_get_lock_content (item))
+ gimp_item_set_lock_content (item, channel_lock_content, TRUE);
+
+ if (channel_lock_position != gimp_item_get_lock_position (item))
+ gimp_item_set_lock_position (item, channel_lock_position, TRUE);
+
+ gimp_image_undo_group_end (image);
+
+ gimp_image_flush (image);
+ }
+
+ gtk_widget_destroy (dialog);
+}
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