/**
* gimp_image_scale_check:
* @image: A #GimpImage.
* @new_width: The new width.
* @new_height: The new height.
* @max_memsize: The maximum new memory size.
* @new_memsize: The new memory size.
*
* Inventory the layer list in image and check that it may be
* scaled to @new_height and @new_width without problems.
*
* Return value: #GIMP_IMAGE_SCALE_OK if scaling the image will shrink none
* of its layers completely away, and the new image size
* is smaller than @max_memsize.
* #GIMP_IMAGE_SCALE_TOO_SMALL if scaling would remove some
* existing layers.
* #GIMP_IMAGE_SCALE_TOO_BIG if the new image size would
* exceed the maximum specified in the preferences.
**/
GimpImageScaleCheckType
gimp_image_scale_check (GimpImage *image,
gint new_width,
gint new_height,
gint64 max_memsize,
gint64 *new_memsize)
{
GList *all_layers;
GList *list;
gint64 current_size;
gint64 undo_size;
gint64 redo_size;
gint64 new_size;
g_return_val_if_fail (GIMP_IS_IMAGE (image), GIMP_IMAGE_SCALE_TOO_SMALL);
g_return_val_if_fail (new_memsize != NULL, GIMP_IMAGE_SCALE_TOO_SMALL);
current_size = gimp_object_get_memsize (GIMP_OBJECT (image), NULL);
new_size = gimp_image_estimate_memsize (image,
gimp_image_get_component_type (image),
new_width, new_height);
undo_size = gimp_object_get_memsize (GIMP_OBJECT (gimp_image_get_undo_stack (image)), NULL);
redo_size = gimp_object_get_memsize (GIMP_OBJECT (gimp_image_get_redo_stack (image)), NULL);
current_size -= undo_size + redo_size;
new_size -= undo_size + redo_size;
GIMP_LOG (IMAGE_SCALE,
"old_size = %"G_GINT64_FORMAT" new_size = %"G_GINT64_FORMAT,
current_size, new_size);
*new_memsize = new_size;
if (new_size > current_size && new_size > max_memsize)
return GIMP_IMAGE_SCALE_TOO_BIG;
all_layers = gimp_image_get_layer_list (image);
for (list = all_layers; list; list = g_list_next (list))
{
GimpItem *item = list->data;
/* group layers are updated automatically */
if (gimp_viewable_get_children (GIMP_VIEWABLE (item)))
continue;
if (! gimp_item_check_scaling (item, new_width, new_height))
{
g_list_free (all_layers);
return GIMP_IMAGE_SCALE_TOO_SMALL;
}
}
g_list_free (all_layers);
return GIMP_IMAGE_SCALE_OK;
}
static void
gimp_rectangle_select_tool_button_release (GimpTool *tool,
const GimpCoords *coords,
guint32 time,
GdkModifierType state,
GimpButtonReleaseType release_type,
GimpDisplay *display)
{
GimpRectangleSelectTool *rect_sel_tool;
GimpRectangleSelectToolPrivate *priv;
GimpImage *image;
rect_sel_tool = GIMP_RECTANGLE_SELECT_TOOL (tool);
priv = GIMP_RECTANGLE_SELECT_TOOL_GET_PRIVATE (rect_sel_tool);
image = gimp_display_get_image (tool->display);
gimp_tool_control_halt (tool->control);
gimp_tool_pop_status (tool, display);
gimp_display_shell_set_show_selection (gimp_display_get_shell (display),
priv->saved_show_selection);
/*
* if the user has not moved the mouse, we need to redo the operation
* that was undone on button press.
*/
if (release_type == GIMP_BUTTON_RELEASE_CLICK)
{
GimpUndoStack *redo_stack = gimp_image_get_redo_stack (image);
GimpUndo *redo = gimp_undo_stack_peek (redo_stack);
if (redo && priv->redo == redo)
{
/* prevent this from halting the tool */
gimp_tool_control_push_preserve (tool->control, TRUE);
gimp_image_redo (image);
priv->redo = NULL;
gimp_tool_control_pop_preserve (tool->control);
}
}
gimp_rectangle_tool_button_release (tool, coords, time, state, release_type,
display);
if (release_type == GIMP_BUTTON_RELEASE_CANCEL)
{
if (priv->redo)
{
/* prevent this from halting the tool */
gimp_tool_control_push_preserve (tool->control, TRUE);
gimp_image_redo (image);
gimp_tool_control_pop_preserve (tool->control);
}
priv->use_saved_op = TRUE; /* is this correct? */
}
priv->redo = NULL;
}
static void
gimp_rectangle_select_tool_button_press (GimpTool *tool,
const GimpCoords *coords,
guint32 time,
GdkModifierType state,
GimpButtonPressType press_type,
GimpDisplay *display)
{
GimpRectangleTool *rectangle;
GimpRectangleSelectTool *rect_sel_tool;
GimpDisplayShell *shell;
GimpRectangleSelectToolPrivate *priv;
GimpRectangleFunction function;
rectangle = GIMP_RECTANGLE_TOOL (tool);
rect_sel_tool = GIMP_RECTANGLE_SELECT_TOOL (tool);
shell = gimp_display_get_shell (display);
priv = GIMP_RECTANGLE_SELECT_TOOL_GET_PRIVATE (rect_sel_tool);
if (tool->display && display != tool->display)
{
gimp_rectangle_tool_cancel (GIMP_RECTANGLE_TOOL (tool));
}
if (gimp_selection_tool_start_edit (GIMP_SELECTION_TOOL (tool),
display, coords))
{
/* In some cases we want to finish the rectangle select tool
* and hand over responsability to the selection tool
*/
gimp_rectangle_tool_execute (rectangle);
gimp_rectangle_tool_control (tool, GIMP_TOOL_ACTION_HALT, display);
gimp_rectangle_select_tool_update_option_defaults (rect_sel_tool,
TRUE);
return;
}
gimp_tool_control_activate (tool->control);
priv->saved_show_selection = gimp_display_shell_get_show_selection (shell);
/* if the shift or ctrl keys are down, we don't want to adjust, we
* want to create a new rectangle, regardless of pointer loc */
if (state & (gimp_get_extend_selection_mask () |
gimp_get_modify_selection_mask ()))
{
gimp_rectangle_tool_set_function (rectangle,
GIMP_RECTANGLE_TOOL_CREATING);
}
gimp_rectangle_tool_button_press (tool, coords, time, state, display);
priv->press_x = coords->x;
priv->press_y = coords->y;
/* if we have an existing rectangle in the current display, then
* we have already "executed", and need to undo at this point,
* unless the user has done something in the meantime
*/
function = gimp_rectangle_tool_get_function (rectangle);
if (function == GIMP_RECTANGLE_TOOL_CREATING)
{
priv->use_saved_op = FALSE;
}
else
{
GimpImage *image = gimp_display_get_image (tool->display);
GimpUndoStack *undo_stack = gimp_image_get_undo_stack (image);
GimpUndoStack *redo_stack = gimp_image_get_redo_stack (image);
GimpUndo *undo;
GimpChannelOps operation;
undo = gimp_undo_stack_peek (undo_stack);
if (undo && priv->undo == undo)
{
/* prevent this change from halting the tool */
gimp_tool_control_push_preserve (tool->control, TRUE);
gimp_image_undo (image);
gimp_tool_control_pop_preserve (tool->control);
/* we will need to redo if the user cancels or executes */
priv->redo = gimp_undo_stack_peek (redo_stack);
}
/* if the operation is "Replace", turn off the marching ants,
because they are confusing */
operation = gimp_rectangle_select_tool_get_operation (rect_sel_tool);
if (operation == GIMP_CHANNEL_OP_REPLACE)
gimp_display_shell_set_show_selection (shell, FALSE);
}
priv->undo = NULL;
}
void
edit_actions_update (GimpActionGroup *group,
gpointer data)
{
GimpImage *image = action_data_get_image (data);
GimpDisplay *display = action_data_get_display (data);
GimpDrawable *drawable = NULL;
gchar *undo_name = NULL;
gchar *redo_name = NULL;
gchar *fade_name = NULL;
gboolean writable = FALSE;
gboolean children = FALSE;
gboolean undo_enabled = FALSE;
gboolean fade_enabled = FALSE;
if (image)
{
drawable = gimp_image_get_active_drawable (image);
if (drawable)
{
writable = ! gimp_item_is_content_locked (GIMP_ITEM (drawable));
if (gimp_viewable_get_children (GIMP_VIEWABLE (drawable)))
children = TRUE;
}
undo_enabled = gimp_image_undo_is_enabled (image);
if (undo_enabled)
{
GimpUndoStack *undo_stack = gimp_image_get_undo_stack (image);
GimpUndoStack *redo_stack = gimp_image_get_redo_stack (image);
GimpUndo *undo = gimp_undo_stack_peek (undo_stack);
GimpUndo *redo = gimp_undo_stack_peek (redo_stack);
const gchar *tool_undo = NULL;
const gchar *tool_redo = NULL;
if (display)
{
tool_undo = tool_manager_get_undo_desc_active (image->gimp,
display);
tool_redo = tool_manager_get_redo_desc_active (image->gimp,
display);
}
if (tool_undo)
undo_name = g_strdup_printf (_("_Undo %s"), tool_undo);
else if (undo)
undo_name = g_strdup_printf (_("_Undo %s"),
gimp_object_get_name (undo));
if (tool_redo)
redo_name = g_strdup_printf (_("_Redo %s"), tool_redo);
else if (redo)
redo_name = g_strdup_printf (_("_Redo %s"),
gimp_object_get_name (redo));
undo = gimp_image_undo_get_fadeable (image);
if (GIMP_IS_DRAWABLE_UNDO (undo) &&
GIMP_DRAWABLE_UNDO (undo)->applied_buffer)
{
fade_enabled = TRUE;
}
if (fade_enabled)
{
fade_name =
g_strdup_printf (_("_Fade %s..."),
gimp_object_get_name (undo));
}
}
}
#define SET_LABEL(action,label) \
gimp_action_group_set_action_label (group, action, (label))
#define SET_SENSITIVE(action,condition) \
gimp_action_group_set_action_sensitive (group, action, (condition) != 0)
SET_LABEL ("edit-undo", undo_name ? undo_name : _("_Undo"));
SET_LABEL ("edit-redo", redo_name ? redo_name : _("_Redo"));
SET_LABEL ("edit-fade", fade_name ? fade_name : _("_Fade..."));
SET_SENSITIVE ("edit-undo", undo_enabled && undo_name);
SET_SENSITIVE ("edit-redo", undo_enabled && redo_name);
SET_SENSITIVE ("edit-strong-undo", undo_enabled && undo_name);
SET_SENSITIVE ("edit-strong-redo", undo_enabled && redo_name);
SET_SENSITIVE ("edit-undo-clear", undo_enabled && (undo_name || redo_name));
SET_SENSITIVE ("edit-fade", fade_enabled && fade_name);
g_free (undo_name);
g_free (redo_name);
g_free (fade_name);
SET_SENSITIVE ("edit-cut", writable && !children);
SET_SENSITIVE ("edit-copy", drawable);
SET_SENSITIVE ("edit-copy-visible", image);
SET_SENSITIVE ("edit-paste", !image || (!drawable ||
(writable && !children)));
SET_SENSITIVE ("edit-paste-as-new-layer", image);
SET_SENSITIVE ("edit-paste-into", image && (!drawable ||
(writable && !children)));
SET_SENSITIVE ("edit-named-cut", writable && !children);
SET_SENSITIVE ("edit-named-copy", drawable);
SET_SENSITIVE ("edit-named-copy-visible", drawable);
SET_SENSITIVE ("edit-named-paste", TRUE);
SET_SENSITIVE ("edit-clear", writable && !children);
SET_SENSITIVE ("edit-fill-fg", writable && !children);
SET_SENSITIVE ("edit-fill-bg", writable && !children);
SET_SENSITIVE ("edit-fill-pattern", writable && !children);
#undef SET_LABEL
#undef SET_SENSITIVE
}
static void
gimp_image_prop_view_update (GimpImagePropView *view)
{
GimpImage *image = view->image;
GimpImageBaseType type;
GimpPrecision precision;
GimpUnit unit;
gdouble unit_factor;
gint unit_digits;
const gchar *desc;
gchar format_buf[32];
gchar buf[256];
gdouble xres;
gdouble yres;
gimp_image_get_resolution (image, &xres, &yres);
/* pixel size */
g_snprintf (buf, sizeof (buf), ngettext ("%d × %d pixel",
"%d × %d pixels",
gimp_image_get_height (image)),
gimp_image_get_width (image),
gimp_image_get_height (image));
gtk_label_set_text (GTK_LABEL (view->pixel_size_label), buf);
/* print size */
unit = gimp_get_default_unit ();
unit_digits = gimp_unit_get_digits (unit);
g_snprintf (format_buf, sizeof (format_buf), "%%.%df × %%.%df %s",
unit_digits + 1, unit_digits + 1,
gimp_unit_get_plural (unit));
g_snprintf (buf, sizeof (buf), format_buf,
gimp_pixels_to_units (gimp_image_get_width (image), unit, xres),
gimp_pixels_to_units (gimp_image_get_height (image), unit, yres));
gtk_label_set_text (GTK_LABEL (view->print_size_label), buf);
/* resolution */
unit = gimp_image_get_unit (image);
unit_factor = gimp_unit_get_factor (unit);
g_snprintf (format_buf, sizeof (format_buf), _("pixels/%s"),
gimp_unit_get_abbreviation (unit));
g_snprintf (buf, sizeof (buf), _("%g × %g %s"),
xres / unit_factor,
yres / unit_factor,
unit == GIMP_UNIT_INCH ? _("ppi") : format_buf);
gtk_label_set_text (GTK_LABEL (view->resolution_label), buf);
/* color type */
type = gimp_image_get_base_type (image);
gimp_enum_get_value (GIMP_TYPE_IMAGE_BASE_TYPE, type,
NULL, NULL, &desc, NULL);
switch (type)
{
case GIMP_RGB:
case GIMP_GRAY:
g_snprintf (buf, sizeof (buf), "%s", desc);
break;
case GIMP_INDEXED:
g_snprintf (buf, sizeof (buf),
"%s (%d %s)", desc, gimp_image_get_colormap_size (image),
_("colors"));
break;
}
gtk_label_set_text (GTK_LABEL (view->colorspace_label), buf);
/* precision */
precision = gimp_image_get_precision (image);
gimp_enum_get_value (GIMP_TYPE_PRECISION, precision,
NULL, NULL, &desc, NULL);
gtk_label_set_text (GTK_LABEL (view->precision_label), desc);
/* size in memory */
gimp_image_prop_view_label_set_memsize (view->memsize_label,
GIMP_OBJECT (image));
/* undo / redo */
gimp_image_prop_view_label_set_undo (view->undo_label,
gimp_image_get_undo_stack (image));
gimp_image_prop_view_label_set_undo (view->redo_label,
gimp_image_get_redo_stack (image));
/* number of layers */
g_snprintf (buf, sizeof (buf), "%d",
gimp_image_get_width (image) *
gimp_image_get_height (image));
gtk_label_set_text (GTK_LABEL (view->pixels_label), buf);
/* number of layers */
g_snprintf (buf, sizeof (buf), "%d",
gimp_image_get_n_layers (image));
gtk_label_set_text (GTK_LABEL (view->layers_label), buf);
/* number of channels */
g_snprintf (buf, sizeof (buf), "%d",
gimp_image_get_n_channels (image));
gtk_label_set_text (GTK_LABEL (view->channels_label), buf);
/* number of vectors */
g_snprintf (buf, sizeof (buf), "%d",
gimp_image_get_n_vectors (image));
gtk_label_set_text (GTK_LABEL (view->vectors_label), buf);
}
void
edit_undo_clear_cmd_callback (GtkAction *action,
gpointer data)
{
GimpImage *image;
GimpUndoStack *undo_stack;
GimpUndoStack *redo_stack;
GtkWidget *widget;
GtkWidget *dialog;
gchar *size;
gint64 memsize;
gint64 guisize;
return_if_no_image (image, data);
return_if_no_widget (widget, data);
dialog = gimp_message_dialog_new (_("Clear Undo History"), GIMP_STOCK_WARNING,
widget,
GTK_DIALOG_MODAL |
GTK_DIALOG_DESTROY_WITH_PARENT,
gimp_standard_help_func,
GIMP_HELP_EDIT_UNDO_CLEAR,
GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL,
GTK_STOCK_CLEAR, GTK_RESPONSE_OK,
NULL);
gtk_dialog_set_alternative_button_order (GTK_DIALOG (dialog),
GTK_RESPONSE_OK,
GTK_RESPONSE_CANCEL,
-1);
g_signal_connect_object (gtk_widget_get_toplevel (widget), "unmap",
G_CALLBACK (gtk_widget_destroy),
dialog, G_CONNECT_SWAPPED);
g_signal_connect_object (image, "disconnect",
G_CALLBACK (gtk_widget_destroy),
dialog, G_CONNECT_SWAPPED);
gimp_message_box_set_primary_text (GIMP_MESSAGE_DIALOG (dialog)->box,
_("Really clear image's undo history?"));
undo_stack = gimp_image_get_undo_stack (image);
redo_stack = gimp_image_get_redo_stack (image);
memsize = gimp_object_get_memsize (GIMP_OBJECT (undo_stack), &guisize);
memsize += guisize;
memsize += gimp_object_get_memsize (GIMP_OBJECT (redo_stack), &guisize);
memsize += guisize;
size = g_format_size (memsize);
gimp_message_box_set_text (GIMP_MESSAGE_DIALOG (dialog)->box,
_("Clearing the undo history of this "
"image will gain %s of memory."), size);
g_free (size);
if (gimp_dialog_run (GIMP_DIALOG (dialog)) == GTK_RESPONSE_OK)
{
gimp_image_undo_disable (image);
gimp_image_undo_enable (image);
gimp_image_flush (image);
}
gtk_widget_destroy (dialog);
}
/**
* gimp_image_scale_check:
* @image: A #GimpImage.
* @new_width: The new width.
* @new_height: The new height.
* @max_memsize: The maximum new memory size.
* @new_memsize: The new memory size.
*
* Inventory the layer list in image and check that it may be
* scaled to @new_height and @new_width without problems.
*
* Return value: #GIMP_IMAGE_SCALE_OK if scaling the image will shrink none
* of its layers completely away, and the new image size
* is smaller than @max_memsize.
* #GIMP_IMAGE_SCALE_TOO_SMALL if scaling would remove some
* existing layers.
* #GIMP_IMAGE_SCALE_TOO_BIG if the new image size would
* exceed the maximum specified in the preferences.
**/
GimpImageScaleCheckType
gimp_image_scale_check (const GimpImage *image,
gint new_width,
gint new_height,
gint64 max_memsize,
gint64 *new_memsize)
{
GList *drawables;
GList *all_layers;
GList *list;
gint64 current_size;
gint64 scalable_size;
gint64 scaled_size;
gint64 undo_size;
gint64 redo_size;
gint64 fixed_size;
gint64 new_size;
g_return_val_if_fail (GIMP_IS_IMAGE (image), GIMP_IMAGE_SCALE_TOO_SMALL);
g_return_val_if_fail (new_memsize != NULL, GIMP_IMAGE_SCALE_TOO_SMALL);
current_size = gimp_object_get_memsize (GIMP_OBJECT (image), NULL);
/* the part of the image's memsize that scales linearly with the image */
drawables = gimp_image_item_list_get_list (image, NULL,
GIMP_ITEM_TYPE_LAYERS |
GIMP_ITEM_TYPE_CHANNELS,
GIMP_ITEM_SET_ALL);
gimp_image_item_list_filter (NULL, drawables, TRUE, FALSE);
drawables = g_list_prepend (drawables, gimp_image_get_mask (image));
scalable_size = 0;
scaled_size = 0;
for (list = drawables; list; list = g_list_next (list))
{
GimpDrawable *drawable = list->data;
gdouble width = gimp_item_get_width (GIMP_ITEM (drawable));
gdouble height = gimp_item_get_height (GIMP_ITEM (drawable));
scalable_size +=
gimp_drawable_estimate_memsize (drawable,
width, height);
scaled_size +=
gimp_drawable_estimate_memsize (drawable,
width * new_width /
gimp_image_get_width (image),
height * new_height /
gimp_image_get_height (image));
}
g_list_free (drawables);
scalable_size +=
gimp_projection_estimate_memsize (gimp_image_get_base_type (image),
gimp_image_get_precision (image),
gimp_image_get_width (image),
gimp_image_get_height (image));
scaled_size +=
gimp_projection_estimate_memsize (gimp_image_get_base_type (image),
gimp_image_get_precision (image),
new_width, new_height);
GIMP_LOG (IMAGE_SCALE,
"scalable_size = %"G_GINT64_FORMAT" scaled_size = %"G_GINT64_FORMAT,
scalable_size, scaled_size);
undo_size = gimp_object_get_memsize (GIMP_OBJECT (gimp_image_get_undo_stack (image)), NULL);
redo_size = gimp_object_get_memsize (GIMP_OBJECT (gimp_image_get_redo_stack (image)), NULL);
/* the fixed part of the image's memsize w/o any undo information */
fixed_size = current_size - undo_size - redo_size - scalable_size;
/* calculate the new size, which is: */
new_size = (fixed_size + /* the fixed part */
scaled_size); /* plus the part that scales... */
GIMP_LOG (IMAGE_SCALE,
"old_size = %"G_GINT64_FORMAT" new_size = %"G_GINT64_FORMAT,
current_size - undo_size - redo_size, new_size);
*new_memsize = new_size;
if (new_size > current_size && new_size > max_memsize)
return GIMP_IMAGE_SCALE_TOO_BIG;
all_layers = gimp_image_get_layer_list (image);
for (list = all_layers; list; list = g_list_next (list))
{
GimpItem *item = list->data;
/* group layers are updated automatically */
if (gimp_viewable_get_children (GIMP_VIEWABLE (item)))
continue;
if (! gimp_item_check_scaling (item, new_width, new_height))
{
g_list_free (all_layers);
return GIMP_IMAGE_SCALE_TOO_SMALL;
}
}
g_list_free (all_layers);
return GIMP_IMAGE_SCALE_OK;
}