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gimp/app/actions/layers-commands.c

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/* The GIMP -- an 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 2 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, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#include "config.h"
#include <string.h>
#include <gtk/gtk.h>
#include "libgimpmath/gimpmath.h"
#include "libgimpbase/gimpbase.h"
#include "libgimpwidgets/gimpwidgets.h"
#include "actions-types.h"
#include "config/gimpcoreconfig.h"
#include "core/gimp.h"
#include "core/gimpchannel-select.h"
#include "core/gimpcontext.h"
#include "core/gimpimage.h"
#include "core/gimpimage-merge.h"
#include "core/gimpimage-undo.h"
#include "core/gimpitemundo.h"
#include "core/gimplayer.h"
#include "core/gimplayer-floating-sel.h"
#include "core/gimplayermask.h"
#include "core/gimplist.h"
#include "core/gimptoolinfo.h"
#include "core/gimpundostack.h"
#include "core/gimpprogress.h"
#include "text/gimptext.h"
#include "text/gimptextlayer.h"
#include "widgets/gimpaction.h"
#include "widgets/gimpdock.h"
#include "widgets/gimpenumwidgets.h"
#include "widgets/gimphelp-ids.h"
#include "widgets/gimpprogressdialog.h"
#include "widgets/gimppropwidgets.h"
#include "widgets/gimpviewabledialog.h"
#include "display/gimpdisplay.h"
#include "display/gimpdisplayshell.h"
#include "tools/gimptexttool.h"
#include "tools/tool_manager.h"
#include "dialogs/layer-options-dialog.h"
#include "dialogs/resize-dialog.h"
#include "dialogs/scale-dialog.h"
#include "actions.h"
#include "layers-commands.h"
#include "gimp-intl.h"
static const GimpLayerModeEffects layer_modes[] =
{
GIMP_NORMAL_MODE,
GIMP_DISSOLVE_MODE,
GIMP_MULTIPLY_MODE,
GIMP_DIVIDE_MODE,
GIMP_SCREEN_MODE,
GIMP_OVERLAY_MODE,
GIMP_DODGE_MODE,
GIMP_BURN_MODE,
GIMP_HARDLIGHT_MODE,
GIMP_SOFTLIGHT_MODE,
GIMP_GRAIN_EXTRACT_MODE,
GIMP_GRAIN_MERGE_MODE,
GIMP_DIFFERENCE_MODE,
GIMP_ADDITION_MODE,
GIMP_SUBTRACT_MODE,
GIMP_DARKEN_ONLY_MODE,
GIMP_LIGHTEN_ONLY_MODE,
GIMP_HUE_MODE,
GIMP_SATURATION_MODE,
GIMP_COLOR_MODE,
GIMP_VALUE_MODE
};
typedef struct _AddMaskOptions AddMaskOptions;
struct _AddMaskOptions
{
GtkWidget *dialog;
GimpLayer *layer;
GimpAddMaskType add_mask_type;
gboolean invert;
};
typedef struct _ResizeLayerOptions ResizeLayerOptions;
struct _ResizeLayerOptions
{
GimpLayer *layer;
GimpContext *context;
ResizeDialog *dialog;
};
/* local function prototypes */
static void layers_new_layer_response (GtkWidget *widget,
gint response_id,
LayerOptionsDialog *options);
static void layers_edit_layer_response (GtkWidget *widget,
gint response_id,
LayerOptionsDialog *options);
static void layers_add_mask_response (GtkWidget *widget,
gint response_id,
AddMaskOptions *options);
static void layers_scale_layer_callback (GtkWidget *dialog,
GimpViewable *viewable,
gint width,
gint height,
GimpUnit unit,
GimpInterpolationType interpolation,
gpointer data);
static void layers_resize_layer_callback (GtkWidget *widget,
gpointer data);
static gint layers_mode_index (GimpLayerModeEffects layer_mode);
/* private variables */
static GimpFillType fill_type = GIMP_TRANSPARENT_FILL;
static gchar *layer_name = NULL;
/* public functions */
void
layers_text_tool_cmd_callback (GtkAction *action,
gpointer data)
{
GimpImage *gimage;
GimpLayer *layer;
GtkWidget *widget;
GimpTool *active_tool;
return_if_no_layer (gimage, layer, data);
return_if_no_widget (widget, data);
if (! gimp_drawable_is_text_layer (GIMP_DRAWABLE (layer)))
{
layers_edit_attributes_cmd_callback (action, data);
return;
}
active_tool = tool_manager_get_active (gimage->gimp);
if (! GIMP_IS_TEXT_TOOL (active_tool))
{
GimpToolInfo *tool_info;
tool_info = (GimpToolInfo *)
gimp_container_get_child_by_name (gimage->gimp->tool_info_list,
"gimp-text-tool");
if (GIMP_IS_TOOL_INFO (tool_info))
{
gimp_context_set_tool (action_data_get_context (data), tool_info);
active_tool = tool_manager_get_active (gimage->gimp);
}
}
if (GIMP_IS_TEXT_TOOL (active_tool))
gimp_text_tool_set_layer (GIMP_TEXT_TOOL (active_tool), layer);
}
void
layers_edit_attributes_cmd_callback (GtkAction *action,
gpointer data)
{
LayerOptionsDialog *options;
GimpImage *gimage;
GimpLayer *layer;
GtkWidget *widget;
return_if_no_layer (gimage, layer, data);
return_if_no_widget (widget, data);
options = layer_options_dialog_new (gimp_item_get_image (GIMP_ITEM (layer)),
action_data_get_context (data),
layer, widget,
gimp_object_get_name (GIMP_OBJECT (layer)),
fill_type,
_("Layer Attributes"),
"gimp-layer-edit",
GIMP_STOCK_EDIT,
_("Edit Layer Attributes"),
GIMP_HELP_LAYER_EDIT);
g_signal_connect (options->dialog, "response",
G_CALLBACK (layers_edit_layer_response),
options);
gtk_widget_show (options->dialog);
}
void
layers_new_cmd_callback (GtkAction *action,
gpointer data)
{
LayerOptionsDialog *options;
GimpImage *gimage;
GtkWidget *widget;
GimpLayer *floating_sel;
return_if_no_image (gimage, data);
return_if_no_widget (widget, data);
/* If there is a floating selection, the new command transforms
* the current fs into a new layer
*/
if ((floating_sel = gimp_image_floating_sel (gimage)))
{
floating_sel_to_layer (floating_sel);
gimp_image_flush (gimage);
return;
}
options = layer_options_dialog_new (gimage, action_data_get_context (data),
NULL, widget,
layer_name ? layer_name : _("New Layer"),
fill_type,
_("New Layer"),
"gimp-layer-new",
GIMP_STOCK_LAYER,
_("Create a New Layer"),
GIMP_HELP_LAYER_NEW);
g_signal_connect (options->dialog, "response",
G_CALLBACK (layers_new_layer_response),
options);
gtk_widget_show (options->dialog);
}
void
layers_new_default_cmd_callback (GtkAction *action,
gpointer data)
{
GimpImage *gimage;
GimpLayer *floating_sel;
GimpLayer *new_layer;
gint width, height;
gint off_x, off_y;
gdouble opacity;
GimpLayerModeEffects mode;
return_if_no_image (gimage, data);
/* If there is a floating selection, the new command transforms
* the current fs into a new layer
*/
if ((floating_sel = gimp_image_floating_sel (gimage)))
{
floating_sel_to_layer (floating_sel);
gimp_image_flush (gimage);
return;
}
if (GIMP_IS_LAYER (GIMP_ACTION (action)->viewable))
{
GimpLayer *template = GIMP_LAYER (GIMP_ACTION (action)->viewable);
gimp_item_offsets (GIMP_ITEM (template), &off_x, &off_y);
width = gimp_item_width (GIMP_ITEM (template));
height = gimp_item_height (GIMP_ITEM (template));
opacity = template->opacity;
mode = template->mode;
}
else
{
width = gimp_image_get_width (gimage);
height = gimp_image_get_height (gimage);
off_x = 0;
off_y = 0;
opacity = 1.0;
mode = GIMP_NORMAL_MODE;
}
gimp_image_undo_group_start (gimage, GIMP_UNDO_GROUP_EDIT_PASTE,
_("New Layer"));
new_layer = gimp_layer_new (gimage, width, height,
gimp_image_base_type_with_alpha (gimage),
_("Empty Layer"), opacity, mode);
gimp_drawable_fill_by_type (GIMP_DRAWABLE (new_layer),
action_data_get_context (data),
GIMP_TRANSPARENT_FILL);
gimp_item_translate (GIMP_ITEM (new_layer), off_x, off_y, FALSE);
gimp_image_add_layer (gimage, new_layer, -1);
gimp_image_undo_group_end (gimage);
gimp_image_flush (gimage);
}
void
layers_select_cmd_callback (GtkAction *action,
gint value,
gpointer data)
{
GimpImage *gimage;
GimpLayer *layer;
GimpLayer *new_layer;
return_if_no_image (gimage, data);
layer = gimp_image_get_active_layer (gimage);
new_layer = (GimpLayer *) action_select_object ((GimpActionSelectType) value,
gimage->layers,
(GimpObject *) layer);
if (new_layer && new_layer != layer)
{
gimp_image_set_active_layer (gimage, new_layer);
gimp_image_flush (gimage);
}
}
void
layers_raise_cmd_callback (GtkAction *action,
gpointer data)
{
GimpImage *gimage;
GimpLayer *layer;
return_if_no_layer (gimage, layer, data);
gimp_image_raise_layer (gimage, layer);
gimp_image_flush (gimage);
}
void
layers_raise_to_top_cmd_callback (GtkAction *action,
gpointer data)
{
GimpImage *gimage;
GimpLayer *layer;
return_if_no_layer (gimage, layer, data);
gimp_image_raise_layer_to_top (gimage, layer);
gimp_image_flush (gimage);
}
void
layers_lower_cmd_callback (GtkAction *action,
gpointer data)
{
GimpImage *gimage;
GimpLayer *layer;
return_if_no_layer (gimage, layer, data);
gimp_image_lower_layer (gimage, layer);
gimp_image_flush (gimage);
}
void
layers_lower_to_bottom_cmd_callback (GtkAction *action,
gpointer data)
{
GimpImage *gimage;
GimpLayer *layer;
return_if_no_layer (gimage, layer, data);
gimp_image_lower_layer_to_bottom (gimage, layer);
gimp_image_flush (gimage);
}
void
layers_duplicate_cmd_callback (GtkAction *action,
gpointer data)
{
GimpImage *gimage;
GimpLayer *layer;
GimpLayer *new_layer;
return_if_no_layer (gimage, layer, data);
new_layer =
GIMP_LAYER (gimp_item_duplicate (GIMP_ITEM (layer),
G_TYPE_FROM_INSTANCE (layer),
TRUE));
gimp_image_add_layer (gimage, new_layer, -1);
gimp_image_flush (gimage);
}
void
layers_anchor_cmd_callback (GtkAction *action,
gpointer data)
{
GimpImage *gimage;
GimpLayer *layer;
return_if_no_layer (gimage, layer, data);
if (gimp_layer_is_floating_sel (layer))
{
floating_sel_anchor (layer);
gimp_image_flush (gimage);
}
}
void
layers_merge_down_cmd_callback (GtkAction *action,
gpointer data)
{
GimpImage *gimage;
GimpLayer *layer;
return_if_no_layer (gimage, layer, data);
gimp_image_merge_down (gimage, layer, action_data_get_context (data),
GIMP_EXPAND_AS_NECESSARY);
gimp_image_flush (gimage);
}
void
layers_delete_cmd_callback (GtkAction *action,
gpointer data)
{
GimpImage *gimage;
GimpLayer *layer;
return_if_no_layer (gimage, layer, data);
if (gimp_layer_is_floating_sel (layer))
floating_sel_remove (layer);
else
gimp_image_remove_layer (gimage, layer);
gimp_image_flush (gimage);
}
void
layers_text_discard_cmd_callback (GtkAction *action,
gpointer data)
{
GimpImage *gimage;
GimpLayer *layer;
return_if_no_layer (gimage, layer, data);
if (GIMP_IS_TEXT_LAYER (layer))
gimp_text_layer_discard (GIMP_TEXT_LAYER (layer));
}
void
layers_resize_cmd_callback (GtkAction *action,
gpointer data)
{
ResizeLayerOptions *options;
GimpImage *gimage;
GimpLayer *layer;
GtkWidget *widget;
GimpDisplay *gdisp;
return_if_no_layer (gimage, layer, data);
return_if_no_widget (widget, data);
gdisp = GIMP_IS_DISPLAY (data) ? data : NULL;
options = g_new0 (ResizeLayerOptions, 1);
options->context = action_data_get_context (data);
options->layer = layer;
options->dialog =
resize_dialog_new (GIMP_VIEWABLE (layer), widget,
RESIZE_DIALOG,
gimp_item_width (GIMP_ITEM (layer)),
gimp_item_height (GIMP_ITEM (layer)),
gimage->xresolution,
gimage->yresolution,
(gdisp ?
GIMP_DISPLAY_SHELL (gdisp->shell)->unit :
GIMP_UNIT_PIXEL),
G_CALLBACK (layers_resize_layer_callback),
options);
g_object_weak_ref (G_OBJECT (options->dialog->shell),
(GWeakNotify) g_free,
options);
gtk_widget_show (options->dialog->shell);
}
void
layers_resize_to_image_cmd_callback (GtkAction *action,
gpointer data)
{
GimpImage *gimage;
GimpLayer *layer;
return_if_no_layer (gimage, layer, data);
gimp_layer_resize_to_image (layer, action_data_get_context (data));
gimp_image_flush (gimage);
}
void
layers_scale_cmd_callback (GtkAction *action,
gpointer data)
{
GimpImage *gimage;
GimpLayer *layer;
GtkWidget *widget;
GimpDisplay *gdisp;
GtkWidget *dialog;
GimpUnit unit;
return_if_no_layer (gimage, layer, data);
return_if_no_widget (widget, data);
gdisp = action_data_get_display (data);
unit = gdisp ? GIMP_DISPLAY_SHELL (gdisp->shell)->unit : GIMP_UNIT_PIXEL;
dialog = scale_dialog_new (GIMP_VIEWABLE (layer),
_("Scale Layer"), "gimp-layer-scale",
widget,
gimp_standard_help_func, GIMP_HELP_LAYER_SCALE,
unit, gimage->gimp->config->interpolation_type,
layers_scale_layer_callback,
gdisp);
gtk_widget_show (dialog);
}
void
layers_crop_cmd_callback (GtkAction *action,
gpointer data)
{
GimpImage *gimage;
GimpLayer *layer;
gint x1, y1, x2, y2;
gint off_x, off_y;
return_if_no_layer (gimage, layer, data);
if (! gimp_channel_bounds (gimp_image_get_mask (gimage),
&x1, &y1, &x2, &y2))
{
g_message (_("Cannot crop because the current selection is empty."));
return;
}
gimp_item_offsets (GIMP_ITEM (layer), &off_x, &off_y);
off_x -= x1;
off_y -= y1;
gimp_image_undo_group_start (gimage, GIMP_UNDO_GROUP_ITEM_RESIZE,
_("Crop Layer"));
gimp_item_resize (GIMP_ITEM (layer), action_data_get_context (data),
x2 - x1, y2 - y1, off_x, off_y);
gimp_image_undo_group_end (gimage);
gimp_image_flush (gimage);
}
void
layers_mask_add_cmd_callback (GtkAction *action,
gpointer data)
{
AddMaskOptions *options;
GimpImage *gimage;
GimpLayer *layer;
GtkWidget *widget;
GtkWidget *vbox;
GtkWidget *frame;
GtkWidget *button;
return_if_no_layer (gimage, layer, data);
return_if_no_widget (widget, data);
options = g_new0 (AddMaskOptions, 1);
options->layer = layer;
options->add_mask_type = GIMP_ADD_WHITE_MASK;
options->invert = FALSE;
options->dialog =
gimp_viewable_dialog_new (GIMP_VIEWABLE (layer),
_("Add Layer Mask"), "gimp-layer-add-mask",
GIMP_STOCK_LAYER_MASK,
_("Add a Mask to the Layer"),
widget,
gimp_standard_help_func,
GIMP_HELP_LAYER_MASK_ADD,
GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL,
GTK_STOCK_OK, GTK_RESPONSE_OK,
NULL);
g_signal_connect (options->dialog, "response",
G_CALLBACK (layers_add_mask_response),
options);
g_object_weak_ref (G_OBJECT (options->dialog),
(GWeakNotify) g_free, options);
vbox = gtk_vbox_new (FALSE, 12);
gtk_container_set_border_width (GTK_CONTAINER (vbox), 12);
gtk_container_add (GTK_CONTAINER (GTK_DIALOG (options->dialog)->vbox),
vbox);
gtk_widget_show (vbox);
frame =
gimp_enum_radio_frame_new (GIMP_TYPE_ADD_MASK_TYPE,
gtk_label_new (_("Initialize Layer Mask to:")),
G_CALLBACK (gimp_radio_button_update),
&options->add_mask_type,
&button);
gimp_int_radio_group_set_active (GTK_RADIO_BUTTON (button),
options->add_mask_type);
gtk_box_pack_start (GTK_BOX (vbox), frame, FALSE, FALSE, 0);
gtk_widget_show (frame);
button = gtk_check_button_new_with_mnemonic (_("In_vert Mask"));
gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (button), options->invert);
gtk_box_pack_end (GTK_BOX (vbox), button, FALSE, FALSE, 0);
gtk_widget_show (button);
g_signal_connect (button, "toggled",
G_CALLBACK (gimp_toggle_button_update),
&options->invert);
gtk_widget_show (options->dialog);
}
void
layers_mask_apply_cmd_callback (GtkAction *action,
gint value,
gpointer data)
{
GimpImage *gimage;
GimpLayer *layer;
GimpMaskApplyMode mode;
return_if_no_layer (gimage, layer, data);
mode = (GimpMaskApplyMode) value;
if (gimp_layer_get_mask (layer))
{
gimp_layer_apply_mask (layer, mode, TRUE);
gimp_image_flush (gimage);
}
}
void
layers_mask_edit_cmd_callback (GtkAction *action,
gpointer data)
{
GimpImage *gimage;
GimpLayer *layer;
GimpLayerMask *mask;
return_if_no_layer (gimage, layer, data);
mask = gimp_layer_get_mask (layer);
if (mask)
{
gboolean active;
active = gtk_toggle_action_get_active (GTK_TOGGLE_ACTION (action));
gimp_layer_mask_set_edit (mask, active);
gimp_image_flush (gimage);
}
}
void
layers_mask_show_cmd_callback (GtkAction *action,
gpointer data)
{
GimpImage *gimage;
GimpLayer *layer;
GimpLayerMask *mask;
return_if_no_layer (gimage, layer, data);
mask = gimp_layer_get_mask (layer);
if (mask)
{
gboolean active;
active = gtk_toggle_action_get_active (GTK_TOGGLE_ACTION (action));
gimp_layer_mask_set_show (mask, active);
gimp_image_flush (gimage);
}
}
void
layers_mask_disable_cmd_callback (GtkAction *action,
gpointer data)
{
GimpImage *gimage;
GimpLayer *layer;
GimpLayerMask *mask;
return_if_no_layer (gimage, layer, data);
mask = gimp_layer_get_mask (layer);
if (mask)
{
gboolean active;
active = gtk_toggle_action_get_active (GTK_TOGGLE_ACTION (action));
gimp_layer_mask_set_apply (mask, ! active);
gimp_image_flush (gimage);
}
}
void
layers_mask_to_selection_cmd_callback (GtkAction *action,
gint value,
gpointer data)
{
GimpChannelOps op;
GimpImage *gimage;
GimpLayer *layer;
GimpLayerMask *mask;
return_if_no_layer (gimage, layer, data);
op = (GimpChannelOps) value;
mask = gimp_layer_get_mask (layer);
if (mask)
{
gint off_x, off_y;
gimp_item_offsets (GIMP_ITEM (mask), &off_x, &off_y);
gimp_channel_select_channel (gimp_image_get_mask (gimage),
_("Layer Mask to Selection"),
GIMP_CHANNEL (mask),
off_x, off_y,
op, FALSE, 0.0, 0.0);
gimp_image_flush (gimage);
}
}
void
layers_alpha_add_cmd_callback (GtkAction *action,
gpointer data)
{
GimpImage *gimage;
GimpLayer *layer;
return_if_no_layer (gimage, layer, data);
if (! gimp_drawable_has_alpha (GIMP_DRAWABLE (layer)))
{
gimp_layer_add_alpha (layer);
gimp_image_flush (gimage);
}
}
void
layers_alpha_to_selection_cmd_callback (GtkAction *action,
gint value,
gpointer data)
{
GimpChannelOps op;
GimpImage *gimage;
GimpLayer *layer;
return_if_no_layer (gimage, layer, data);
op = (GimpChannelOps) value;
gimp_channel_select_alpha (gimp_image_get_mask (gimage),
GIMP_DRAWABLE (layer),
op, FALSE, 0.0, 0.0);
gimp_image_flush (gimage);
}
void
layers_opacity_cmd_callback (GtkAction *action,
gint value,
gpointer data)
{
GimpImage *gimage;
GimpLayer *layer;
gdouble opacity;
GimpUndo *undo;
gboolean push_undo = TRUE;
return_if_no_layer (gimage, layer, data);
undo = gimp_image_undo_can_compress (gimage, GIMP_TYPE_ITEM_UNDO,
GIMP_UNDO_LAYER_OPACITY);
if (undo && GIMP_ITEM_UNDO (undo)->item == GIMP_ITEM (layer))
push_undo = FALSE;
opacity = action_select_value ((GimpActionSelectType) value,
gimp_layer_get_opacity (layer),
0.0, 1.0,
0.01, 0.1, FALSE);
gimp_layer_set_opacity (layer, opacity, push_undo);
gimp_image_flush (gimage);
}
void
layers_mode_cmd_callback (GtkAction *action,
gint value,
gpointer data)
{
GimpImage *gimage;
GimpLayer *layer;
GimpLayerModeEffects layer_mode;
gint index;
GimpUndo *undo;
gboolean push_undo = TRUE;
return_if_no_layer (gimage, layer, data);
undo = gimp_image_undo_can_compress (gimage, GIMP_TYPE_ITEM_UNDO,
GIMP_UNDO_LAYER_MODE);
if (undo && GIMP_ITEM_UNDO (undo)->item == GIMP_ITEM (layer))
push_undo = FALSE;
layer_mode = gimp_layer_get_mode (layer);
index = action_select_value ((GimpActionSelectType) value,
layers_mode_index (layer_mode),
0, G_N_ELEMENTS (layer_modes) - 1,
1.0, 1.0, FALSE);
gimp_layer_set_mode (layer, layer_modes[index], push_undo);
gimp_image_flush (gimage);
}
void
layers_preserve_trans_cmd_callback (GtkAction *action,
gpointer data)
{
GimpImage *gimage;
GimpLayer *layer;
gboolean preserve;
return_if_no_layer (gimage, layer, data);
preserve = gtk_toggle_action_get_active (GTK_TOGGLE_ACTION (action));
if (preserve != gimp_layer_get_preserve_trans (layer))
{
GimpUndo *undo;
gboolean push_undo = TRUE;
undo = gimp_image_undo_can_compress (gimage, GIMP_TYPE_ITEM_UNDO,
GIMP_UNDO_LAYER_PRESERVE_TRANS);
if (undo && GIMP_ITEM_UNDO (undo)->item == GIMP_ITEM (layer))
push_undo = FALSE;
gimp_layer_set_preserve_trans (layer, preserve, push_undo);
gimp_image_flush (gimage);
}
}
/* private functions */
static void
layers_new_layer_response (GtkWidget *widget,
gint response_id,
LayerOptionsDialog *options)
{
if (response_id == GTK_RESPONSE_OK)
{
GimpLayer *layer;
if (layer_name)
g_free (layer_name);
layer_name =
g_strdup (gtk_entry_get_text (GTK_ENTRY (options->name_entry)));
options->xsize =
RINT (gimp_size_entry_get_refval (GIMP_SIZE_ENTRY (options->size_se),
0));
options->ysize =
RINT (gimp_size_entry_get_refval (GIMP_SIZE_ENTRY (options->size_se),
1));
fill_type = options->fill_type;
layer = gimp_layer_new (options->gimage,
options->xsize,
options->ysize,
gimp_image_base_type_with_alpha (options->gimage),
layer_name,
GIMP_OPACITY_OPAQUE, GIMP_NORMAL_MODE);
if (layer)
{
gimp_drawable_fill_by_type (GIMP_DRAWABLE (layer),
options->context,
fill_type);
gimp_image_add_layer (options->gimage, layer, -1);
gimp_image_flush (options->gimage);
}
else
{
g_message ("new_layer_query_response: "
"could not allocate new layer");
}
}
gtk_widget_destroy (options->dialog);
}
static void
layers_edit_layer_response (GtkWidget *widget,
gint response_id,
LayerOptionsDialog *options)
{
if (response_id == GTK_RESPONSE_OK)
{
GimpLayer *layer = options->layer;
const gchar *new_name;
new_name = gtk_entry_get_text (GTK_ENTRY (options->name_entry));
if (strcmp (new_name, gimp_object_get_name (GIMP_OBJECT (layer))))
{
gimp_item_rename (GIMP_ITEM (layer), new_name);
gimp_image_flush (options->gimage);
}
if (options->rename_toggle &&
gimp_drawable_is_text_layer (GIMP_DRAWABLE (layer)))
{
g_object_set (layer,
"auto-rename",
GTK_TOGGLE_BUTTON (options->rename_toggle)->active,
NULL);
}
}
gtk_widget_destroy (options->dialog);
}
static void
layers_add_mask_response (GtkWidget *widget,
gint response_id,
AddMaskOptions *options)
{
if (response_id == GTK_RESPONSE_OK)
{
GimpImage *gimage;
GimpLayerMask *mask;
GimpLayer *layer;
if ((layer = (options->layer)) && (gimage = GIMP_ITEM (layer)->gimage))
{
gimp_image_undo_group_start (gimage, GIMP_UNDO_GROUP_LAYER_ADD_MASK,
_("Add Layer Mask"));
mask = gimp_layer_create_mask (layer, options->add_mask_type);
if (options->invert)
gimp_channel_invert (GIMP_CHANNEL (mask), FALSE);
gimp_layer_add_mask (layer, mask, TRUE);
gimp_image_undo_group_end (gimage);
gimp_image_flush (gimage);
}
}
gtk_widget_destroy (options->dialog);
}
static void
layers_scale_layer_callback (GtkWidget *dialog,
GimpViewable *viewable,
gint width,
gint height,
GimpUnit unit,
GimpInterpolationType interpolation,
gpointer data)
{
GimpDisplay *gdisp = data ? GIMP_DISPLAY (data) : NULL;
if (width > 0 && height > 0)
{
GimpItem *item = GIMP_ITEM (viewable);
GimpProgress *progress;
GtkWidget *progress_dialog = NULL;
gtk_widget_destroy (dialog);
if (width == gimp_item_width (item) && height == gimp_item_height (item))
return;
if (gdisp)
{
progress = GIMP_PROGRESS (gdisp);
}
else
{
progress_dialog = gimp_progress_dialog_new ();
progress = GIMP_PROGRESS (progress_dialog);
}
progress = gimp_progress_start (progress, _("Scaling..."), FALSE);
gimp_item_scale_by_origin (item,
width, height, interpolation,
progress, TRUE);
if (progress)
gimp_progress_end (progress);
if (progress_dialog)
gtk_widget_destroy (progress_dialog);
gimp_image_flush (gimp_item_get_image (item));
}
else
{
g_message (_("Invalid width or height. Both must be positive."));
}
}
static void
layers_resize_layer_callback (GtkWidget *widget,
gpointer data)
{
ResizeLayerOptions *options = data;
if (options->dialog->width > 0 && options->dialog->height > 0)
{
GimpImage *gimage = gimp_item_get_image (GIMP_ITEM (options->layer));
gtk_widget_set_sensitive (options->dialog->shell, FALSE);
gimp_item_resize (GIMP_ITEM (options->layer),
options->context,
options->dialog->width,
options->dialog->height,
options->dialog->offset_x,
options->dialog->offset_y);
gimp_image_flush (gimage);
gtk_widget_destroy (options->dialog->shell);
}
else
{
g_message (_("Invalid width or height. Both must be positive."));
}
}
static gint
layers_mode_index (GimpLayerModeEffects layer_mode)
{
gint i = 0;
while (i < (G_N_ELEMENTS (layer_modes) - 1) && layer_modes[i] != layer_mode)
i++;
return i;
}
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