static void
gimp_display_shell_drop_buffer (GtkWidget *widget,
gint drop_x,
gint drop_y,
GimpViewable *viewable,
gpointer data)
{
GimpDisplayShell *shell = GIMP_DISPLAY_SHELL (data);
GimpImage *image = shell->display->image;
GimpBuffer *buffer;
gint x, y, width, height;
GIMP_LOG (DND, NULL);
if (shell->display->gimp->busy)
return;
if (! image)
return;
buffer = GIMP_BUFFER (viewable);
gimp_display_shell_untransform_viewport (shell, &x, &y, &width, &height);
/* FIXME: popup a menu for selecting "Paste Into" */
gimp_edit_paste (image, gimp_image_get_active_drawable (image),
buffer, FALSE,
x, y, width, height);
gimp_display_shell_dnd_flush (shell, image);
}
static void
offset_response (GtkWidget *widget,
gint response_id,
OffsetDialog *dialog)
{
if (response_id == GTK_RESPONSE_OK)
{
GimpImage *image = dialog->image;
if (image)
{
GimpDrawable *drawable = gimp_image_get_active_drawable (image);
gint offset_x;
gint offset_y;
offset_x =
RINT (gimp_size_entry_get_refval (GIMP_SIZE_ENTRY (dialog->off_se),
0));
offset_y =
RINT (gimp_size_entry_get_refval (GIMP_SIZE_ENTRY (dialog->off_se),
1));
gimp_drawable_offset (drawable,
dialog->context,
dialog->fill_type & WRAP_AROUND ? TRUE : FALSE,
dialog->fill_type & FILL_MASK,
offset_x, offset_y);
gimp_image_flush (image);
}
}
gtk_widget_destroy (dialog->dialog);
}
static void
gimp_warp_tool_start (GimpWarpTool *wt,
GimpDisplay *display)
{
GimpTool *tool = GIMP_TOOL (wt);
GimpImage *image = gimp_display_get_image (display);
GimpDrawable *drawable = gimp_image_get_active_drawable (image);
const Babl *format;
GeglRectangle bbox;
tool->display = display;
tool->drawable = drawable;
/* Create the coords buffer, with the size of the selection */
format = babl_format_n (babl_type ("float"), 2);
gimp_item_mask_intersect (GIMP_ITEM (drawable), &bbox.x, &bbox.y,
&bbox.width, &bbox.height);
#ifdef WARP_DEBUG
g_printerr ("Initialize coordinate buffer (%d,%d) at %d,%d\n",
bbox.width, bbox.height, bbox.x, bbox.y);
#endif
wt->coords_buffer = gegl_buffer_new (&bbox, format);
gimp_warp_tool_create_image_map (wt, drawable);
if (! gimp_draw_tool_is_active (GIMP_DRAW_TOOL (wt)))
gimp_draw_tool_start (GIMP_DRAW_TOOL (wt), display);
}
static void
copy_named_buffer_callback (GtkWidget *widget,
const gchar *name,
gpointer data)
{
GimpImage *image = GIMP_IMAGE (data);
GimpDrawable *drawable = gimp_image_get_active_drawable (image);
GError *error = NULL;
if (! drawable)
{
gimp_message_literal (image->gimp, NULL, GIMP_MESSAGE_WARNING,
_("There is no active layer or channel to copy from."));
return;
}
if (! (name && strlen (name)))
name = _("(Unnamed Buffer)");
if (gimp_edit_named_copy (image, name, drawable,
gimp_get_user_context (image->gimp), &error))
{
gimp_image_flush (image);
}
else
{
gimp_message_literal (image->gimp, NULL, GIMP_MESSAGE_WARNING,
error->message);
g_clear_error (&error);
}
}
static gboolean
gimp_colorize_tool_initialize (GimpTool *tool,
GimpDisplay *display,
GError **error)
{
GimpImage *image = gimp_display_get_image (display);
GimpDrawable *drawable = gimp_image_get_active_drawable (image);
if (! drawable)
return FALSE;
if (gimp_drawable_is_gray (drawable))
{
g_set_error_literal (error, GIMP_ERROR, GIMP_FAILED,
_("Colorize does not operate on grayscale layers."));
return FALSE;
}
if (! GIMP_TOOL_CLASS (parent_class)->initialize (tool, display, error))
{
return FALSE;
}
return TRUE;
}
void
select_float_cmd_callback (GtkAction *action,
gpointer data)
{
GimpImage *image;
GtkWidget *widget;
GError *error = NULL;
return_if_no_image (image, data);
return_if_no_widget (widget, data);
if (gimp_selection_float (GIMP_SELECTION (gimp_image_get_mask (image)),
gimp_image_get_active_drawable (image),
action_data_get_context (data),
TRUE, 0, 0, &error))
{
gimp_image_flush (image);
}
else
{
gimp_message_literal (image->gimp,
G_OBJECT (widget), GIMP_MESSAGE_WARNING,
error->message);
g_clear_error (&error);
}
}
static gboolean
gimp_posterize_tool_initialize (GimpTool *tool,
GimpDisplay *display,
GError **error)
{
GimpPosterizeTool *posterize_tool = GIMP_POSTERIZE_TOOL (tool);
GimpImage *image = gimp_display_get_image (display);
GimpDrawable *drawable;
drawable = gimp_image_get_active_drawable (image);
if (! drawable)
return FALSE;
if (gimp_drawable_is_indexed (drawable))
{
g_set_error_literal (error, GIMP_ERROR, GIMP_FAILED,
_("Posterize does not operate on indexed layers."));
return FALSE;
}
gimp_config_reset (GIMP_CONFIG (posterize_tool->config));
if (! GIMP_TOOL_CLASS (parent_class)->initialize (tool, display, error))
{
return FALSE;
}
gtk_adjustment_set_value (posterize_tool->levels_data,
posterize_tool->config->levels);
gimp_image_map_tool_preview (GIMP_IMAGE_MAP_TOOL (posterize_tool));
return TRUE;
}
static void
gimp_region_select_tool_draw (GimpDrawTool *draw_tool)
{
GimpRegionSelectTool *region_sel = GIMP_REGION_SELECT_TOOL (draw_tool);
GimpRegionSelectOptions *options = GIMP_REGION_SELECT_TOOL_GET_OPTIONS (draw_tool);
if (region_sel->segs)
{
gint off_x = 0;
gint off_y = 0;
if (! options->sample_merged)
{
GimpImage *image = gimp_display_get_image (draw_tool->display);
GimpDrawable *drawable = gimp_image_get_active_drawable (image);
gimp_item_get_offset (GIMP_ITEM (drawable), &off_x, &off_y);
}
gimp_draw_tool_add_boundary (draw_tool,
region_sel->segs,
region_sel->n_segs,
NULL,
off_x, off_y);
}
}
static gboolean
gimp_colorize_tool_initialize (GimpTool *tool,
GimpDisplay *display,
GError **error)
{
GimpColorizeTool *col_tool = GIMP_COLORIZE_TOOL (tool);
GimpDrawable *drawable = gimp_image_get_active_drawable (display->image);
if (! drawable)
return FALSE;
if (! gimp_drawable_is_rgb (drawable))
{
g_set_error (error, 0, 0,
_("Colorize operates only on RGB color layers."));
return FALSE;
}
gimp_config_reset (GIMP_CONFIG (col_tool->config));
GIMP_TOOL_CLASS (parent_class)->initialize (tool, display, error);
gimp_image_map_tool_preview (GIMP_IMAGE_MAP_TOOL (tool));
return TRUE;
}
gboolean
tool_manager_initialize_active (Gimp *gimp,
GimpDisplay *display)
{
GimpToolManager *tool_manager;
g_return_val_if_fail (GIMP_IS_GIMP (gimp), FALSE);
g_return_val_if_fail (GIMP_IS_DISPLAY (display), FALSE);
tool_manager = tool_manager_get (gimp);
if (tool_manager->active_tool)
{
GimpTool *tool = tool_manager->active_tool;
if (gimp_tool_initialize (tool, display))
{
GimpImage *image = gimp_display_get_image (display);
tool->drawable = gimp_image_get_active_drawable (image);
return TRUE;
}
}
return FALSE;
}
static gboolean
gimp_bucket_fill_tool_initialize (GimpTool *tool,
GimpDisplay *display,
GError **error)
{
GimpImage *image = gimp_display_get_image (display);
GimpDrawable *drawable = gimp_image_get_active_drawable (image);
if (! GIMP_TOOL_CLASS (parent_class)->initialize (tool, display, error))
{
return FALSE;
}
if (gimp_viewable_get_children (GIMP_VIEWABLE (drawable)))
{
g_set_error_literal (error, GIMP_ERROR, GIMP_FAILED,
_("Cannot modify the pixels of layer groups."));
return FALSE;
}
if (gimp_item_is_content_locked (GIMP_ITEM (drawable)))
{
g_set_error_literal (error, GIMP_ERROR, GIMP_FAILED,
_("The active layer's pixels are locked."));
return FALSE;
}
return TRUE;
}
static gboolean
gimp_desaturate_tool_initialize (GimpTool *tool,
GimpDisplay *display,
GError **error)
{
GimpDesaturateTool *desaturate_tool = GIMP_DESATURATE_TOOL (tool);
GimpDrawable *drawable;
drawable = gimp_image_get_active_drawable (display->image);
if (! drawable)
return FALSE;
if (! gimp_drawable_is_rgb (drawable))
{
g_set_error (error, 0, 0,
_("Desaturate does only operate on RGB layers."));
return FALSE;
}
gimp_config_reset (GIMP_CONFIG (desaturate_tool->config));
GIMP_TOOL_CLASS (parent_class)->initialize (tool, display, error);
gimp_int_radio_group_set_active (GTK_RADIO_BUTTON (desaturate_tool->button),
desaturate_tool->config->mode);
gimp_image_map_tool_preview (GIMP_IMAGE_MAP_TOOL (desaturate_tool));
return TRUE;
}
static gboolean
gimp_brightness_contrast_tool_initialize (GimpTool *tool,
GimpDisplay *display,
GError **error)
{
GimpBrightnessContrastTool *bc_tool = GIMP_BRIGHTNESS_CONTRAST_TOOL (tool);
GimpImage *image = gimp_display_get_image (display);
GimpDrawable *drawable = gimp_image_get_active_drawable (image);
if (! GIMP_TOOL_CLASS (parent_class)->initialize (tool, display, error))
{
return FALSE;
}
if (gimp_drawable_get_precision (drawable) == GIMP_PRECISION_U8)
{
gimp_prop_widget_set_factor (bc_tool->brightness_scale, 127.0, 0);
gimp_prop_widget_set_factor (bc_tool->contrast_scale, 127.0, 0);
}
else
{
gimp_prop_widget_set_factor (bc_tool->brightness_scale, 0.5, 3);
gimp_prop_widget_set_factor (bc_tool->contrast_scale, 0.5, 3);
}
return TRUE;
}
void
select_stroke_cmd_callback (GtkAction *action,
gpointer data)
{
GimpImage *image;
GimpDrawable *drawable;
GtkWidget *widget;
GtkWidget *dialog;
return_if_no_image (image, data);
return_if_no_widget (widget, data);
drawable = gimp_image_get_active_drawable (image);
if (! drawable)
{
gimp_message (image->gimp, G_OBJECT (widget), GIMP_MESSAGE_WARNING,
_("There is no active layer or channel to stroke to."));
return;
}
dialog = stroke_dialog_new (GIMP_ITEM (gimp_image_get_mask (image)),
action_data_get_context (data),
_("Stroke Selection"),
GIMP_STOCK_SELECTION_STROKE,
GIMP_HELP_SELECTION_STROKE,
widget);
gtk_widget_show (dialog);
}
static void
gimp_display_shell_drop_buffer (GtkWidget *widget,
gint drop_x,
gint drop_y,
GimpViewable *viewable,
gpointer data)
{
GimpDisplayShell *shell = GIMP_DISPLAY_SHELL (data);
GimpImage *image = gimp_display_get_image (shell->display);
GimpDrawable *drawable;
GimpBuffer *buffer;
gint x, y, width, height;
GIMP_LOG (DND, NULL);
if (shell->display->gimp->busy)
return;
if (! image)
{
image = gimp_image_new_from_buffer (shell->display->gimp, NULL,
GIMP_BUFFER (viewable));
gimp_create_display (image->gimp, image, GIMP_UNIT_PIXEL, 1.0);
g_object_unref (image);
return;
}
drawable = gimp_image_get_active_drawable (image);
if (drawable)
{
if (gimp_viewable_get_children (GIMP_VIEWABLE (drawable)))
{
gimp_message_literal (shell->display->gimp, G_OBJECT (shell->display),
GIMP_MESSAGE_ERROR,
_("Cannot modify the pixels of layer groups."));
return;
}
if (gimp_item_is_content_locked (GIMP_ITEM (drawable)))
{
gimp_message_literal (shell->display->gimp, G_OBJECT (shell->display),
GIMP_MESSAGE_ERROR,
_("The active layer's pixels are locked."));
return;
}
}
buffer = GIMP_BUFFER (viewable);
gimp_display_shell_untransform_viewport (shell, &x, &y, &width, &height);
/* FIXME: popup a menu for selecting "Paste Into" */
gimp_edit_paste (image, drawable, buffer, FALSE,
x, y, width, height);
gimp_display_shell_dnd_flush (shell, image);
}
static void
gimp_blend_tool_start_preview (GimpBlendTool *blend_tool,
GimpDisplay *display)
{
GimpTool *tool = GIMP_TOOL (blend_tool);
GimpImage *image = gimp_display_get_image (display);
GimpDrawable *drawable = gimp_image_get_active_drawable (image);
GimpBlendOptions *options = GIMP_BLEND_TOOL_GET_OPTIONS (blend_tool);
GimpContext *context = GIMP_CONTEXT (options);
tool->display = display;
tool->drawable = drawable;
if (blend_tool->grabbed_point != POINT_FILL_MODE)
{
gimp_blend_tool_create_image_map (blend_tool, drawable);
/* Initially sync all of the properties */
gimp_gegl_config_proxy_sync (GIMP_OBJECT (options), blend_tool->render_node);
/* Connect signal handlers for the gradient */
gimp_blend_tool_set_gradient (blend_tool, context->gradient);
}
if (! gimp_draw_tool_is_active (GIMP_DRAW_TOOL (blend_tool)))
gimp_draw_tool_start (GIMP_DRAW_TOOL (blend_tool), display);
}
static gboolean
gimp_threshold_tool_initialize (GimpTool *tool,
GimpDisplay *display,
GError **error)
{
GimpThresholdTool *t_tool = GIMP_THRESHOLD_TOOL (tool);
GimpImage *image = gimp_display_get_image (display);
GimpDrawable *drawable = gimp_image_get_active_drawable (image);
if (! drawable)
return FALSE;
gimp_config_reset (GIMP_CONFIG (t_tool->config));
if (! GIMP_TOOL_CLASS (parent_class)->initialize (tool, display, error))
{
return FALSE;
}
gimp_drawable_calculate_histogram (drawable, t_tool->histogram);
gimp_histogram_view_set_histogram (t_tool->histogram_box->view,
t_tool->histogram);
gimp_image_map_tool_preview (GIMP_IMAGE_MAP_TOOL (t_tool));
return TRUE;
}
static GimpChannel *
gimp_fuzzy_select_tool_get_mask (GimpRegionSelectTool *region_select,
GimpDisplay *display)
{
GimpTool *tool = GIMP_TOOL (region_select);
GimpSelectionOptions *sel_options = GIMP_SELECTION_TOOL_GET_OPTIONS (tool);
GimpRegionSelectOptions *options = GIMP_REGION_SELECT_TOOL_GET_OPTIONS (tool);
GimpDrawable *drawable;
gint x, y;
drawable = gimp_image_get_active_drawable (display->image);
x = region_select->x;
y = region_select->y;
if (! options->sample_merged)
{
gint off_x, off_y;
gimp_item_offsets (GIMP_ITEM (drawable), &off_x, &off_y);
x -= off_x;
y -= off_y;
}
return gimp_image_contiguous_region_by_seed (display->image, drawable,
options->sample_merged,
sel_options->antialias,
options->threshold,
options->select_transparent,
options->select_criterion,
x, y);
}
static void
gimp_blend_tool_cursor_update (GimpTool *tool,
const GimpCoords *coords,
GdkModifierType state,
GimpDisplay *display)
{
GimpBlendTool *blend_tool = GIMP_BLEND_TOOL (tool);
GimpImage *image = gimp_display_get_image (display);
GimpDrawable *drawable = gimp_image_get_active_drawable (image);
GimpCursorModifier modifier = GIMP_CURSOR_MODIFIER_NONE;
blend_tool->mouse_x = coords->x;
blend_tool->mouse_y = coords->y;
if (gimp_viewable_get_children (GIMP_VIEWABLE (drawable)) ||
gimp_item_is_content_locked (GIMP_ITEM (drawable)) ||
! gimp_item_is_visible (GIMP_ITEM (drawable)))
{
modifier = GIMP_CURSOR_MODIFIER_BAD;
}
else if (gimp_blend_tool_is_shapeburst (blend_tool))
{
modifier = GIMP_CURSOR_MODIFIER_PLUS;
}
else if (gimp_blend_tool_get_point_under_cursor (blend_tool))
{
modifier = GIMP_CURSOR_MODIFIER_MOVE;
}
gimp_tool_control_set_cursor_modifier (tool->control, modifier);
GIMP_TOOL_CLASS (parent_class)->cursor_update (tool, coords, state, display);
}
static GdkSegment *
gimp_region_select_tool_calculate (GimpRegionSelectTool *region_sel,
GimpDisplay *display,
gint *num_segs)
{
GimpTool *tool = GIMP_TOOL (region_sel);
GimpRegionSelectOptions *options = GIMP_REGION_SELECT_TOOL_GET_OPTIONS (tool);
GimpDisplayShell *shell = GIMP_DISPLAY_SHELL (display->shell);
GimpDrawable *drawable;
GdkSegment *segs;
BoundSeg *bsegs;
PixelRegion maskPR;
drawable = gimp_image_get_active_drawable (display->image);
gimp_display_shell_set_override_cursor (shell, GDK_WATCH);
if (region_sel->region_mask)
g_object_unref (region_sel->region_mask);
region_sel->region_mask =
GIMP_REGION_SELECT_TOOL_GET_CLASS (region_sel)->get_mask (region_sel,
display);
if (! region_sel->region_mask)
{
gimp_display_shell_unset_override_cursor (shell);
*num_segs = 0;
return NULL;
}
/* calculate and allocate a new segment array which represents the
* boundary of the contiguous region
*/
pixel_region_init (&maskPR,
gimp_drawable_get_tiles (GIMP_DRAWABLE (region_sel->region_mask)),
0, 0,
gimp_item_width (GIMP_ITEM (region_sel->region_mask)),
gimp_item_height (GIMP_ITEM (region_sel->region_mask)),
FALSE);
bsegs = boundary_find (&maskPR, BOUNDARY_WITHIN_BOUNDS,
0, 0,
gimp_item_width (GIMP_ITEM (region_sel->region_mask)),
gimp_item_height (GIMP_ITEM (region_sel->region_mask)),
BOUNDARY_HALF_WAY,
num_segs);
segs = g_new (GdkSegment, *num_segs);
gimp_display_shell_transform_segments (shell, bsegs, segs, *num_segs,
! options->sample_merged);
g_free (bsegs);
gimp_display_shell_unset_override_cursor (shell);
return segs;
}
static gboolean
gimp_levels_tool_initialize (GimpTool *tool,
GimpDisplay *display,
GError **error)
{
GimpLevelsTool *l_tool = GIMP_LEVELS_TOOL (tool);
GimpImage *image = gimp_display_get_image (display);
GimpDrawable *drawable = gimp_image_get_active_drawable (image);
gdouble scale_factor;
gdouble step_increment;
gdouble page_increment;
gint digits;
if (! GIMP_TOOL_CLASS (parent_class)->initialize (tool, display, error))
{
return FALSE;
}
gimp_int_combo_box_set_sensitivity (GIMP_INT_COMBO_BOX (l_tool->channel_menu),
levels_menu_sensitivity, drawable, NULL);
gimp_drawable_calculate_histogram (drawable, l_tool->histogram);
gimp_histogram_view_set_histogram (GIMP_HISTOGRAM_VIEW (l_tool->histogram_view),
l_tool->histogram);
if (gimp_drawable_get_component_type (drawable) == GIMP_COMPONENT_TYPE_U8)
{
scale_factor = 255.0;
step_increment = 1.0;
page_increment = 8.0;
digits = 0;
}
else
{
scale_factor = 100;
step_increment = 0.01;
page_increment = 1.0;
digits = 2;
}
gimp_prop_widget_set_factor (l_tool->low_input_spinbutton,
scale_factor, step_increment, page_increment,
digits);
gimp_prop_widget_set_factor (l_tool->high_input_spinbutton,
scale_factor, step_increment, page_increment,
digits);
gimp_prop_widget_set_factor (l_tool->low_output_spinbutton,
scale_factor, step_increment, page_increment,
digits);
gimp_prop_widget_set_factor (l_tool->high_output_spinbutton,
scale_factor, step_increment, page_increment,
digits);
gtk_adjustment_configure (l_tool->gamma_linear,
scale_factor / 2.0,
0, scale_factor, 0.1, 1.0, 0);
return TRUE;
}
static void
gimp_paint_tool_cursor_update (GimpTool *tool,
const GimpCoords *coords,
GdkModifierType state,
GimpDisplay *display)
{
GimpPaintTool *paint_tool = GIMP_PAINT_TOOL (tool);
GimpCursorModifier modifier;
GimpCursorModifier toggle_modifier;
GimpCursorModifier old_modifier;
GimpCursorModifier old_toggle_modifier;
modifier = tool->control->cursor_modifier;
toggle_modifier = tool->control->toggle_cursor_modifier;
old_modifier = modifier;
old_toggle_modifier = toggle_modifier;
if (! gimp_color_tool_is_enabled (GIMP_COLOR_TOOL (tool)))
{
GimpImage *image = gimp_display_get_image (display);
GimpDrawable *drawable = gimp_image_get_active_drawable (image);
if (gimp_viewable_get_children (GIMP_VIEWABLE (drawable)) ||
gimp_item_is_content_locked (GIMP_ITEM (drawable)) ||
! gimp_item_is_visible (GIMP_ITEM (drawable)))
{
modifier = GIMP_CURSOR_MODIFIER_BAD;
toggle_modifier = GIMP_CURSOR_MODIFIER_BAD;
}
if (! paint_tool->show_cursor &&
modifier != GIMP_CURSOR_MODIFIER_BAD)
{
gimp_tool_set_cursor (tool, display,
GIMP_CURSOR_NONE,
GIMP_TOOL_CURSOR_NONE,
GIMP_CURSOR_MODIFIER_NONE);
return;
}
gimp_tool_control_set_cursor_modifier (tool->control,
modifier);
gimp_tool_control_set_toggle_cursor_modifier (tool->control,
toggle_modifier);
}
GIMP_TOOL_CLASS (parent_class)->cursor_update (tool, coords, state,
display);
/* reset old stuff here so we are not interferring with the modifiers
* set by our subclasses
*/
gimp_tool_control_set_cursor_modifier (tool->control,
old_modifier);
gimp_tool_control_set_toggle_cursor_modifier (tool->control,
old_toggle_modifier);
}
static void
gimp_cage_tool_start (GimpCageTool *ct,
GimpDisplay *display)
{
GimpTool *tool = GIMP_TOOL (ct);
GimpImage *image = gimp_display_get_image (display);
GimpDrawable *drawable = gimp_image_get_active_drawable (image);
gint off_x;
gint off_y;
gimp_tool_control (tool, GIMP_TOOL_ACTION_HALT, display);
tool->display = display;
if (ct->config)
{
g_object_unref (ct->config);
ct->config = NULL;
}
if (ct->coef)
{
g_object_unref (ct->coef);
ct->dirty_coef = TRUE;
ct->coef = NULL;
}
if (ct->image_map)
{
gimp_image_map_abort (ct->image_map);
g_object_unref (ct->image_map);
ct->image_map = NULL;
}
if (ct->render_node)
{
g_object_unref (ct->render_node);
ct->render_node = NULL;
ct->coef_node = NULL;
ct->cage_node = NULL;
}
ct->config = g_object_new (GIMP_TYPE_CAGE_CONFIG, NULL);
ct->hovering_handle = -1;
ct->hovering_edge = -1;
ct->cage_complete = FALSE;
ct->tool_state = CAGE_STATE_INIT;
/* Setting up cage offset to convert the cage point coords to
* drawable coords
*/
gimp_item_get_offset (GIMP_ITEM (drawable), &off_x, &off_y);
ct->offset_x = off_x;
ct->offset_y = off_y;
gimp_draw_tool_start (GIMP_DRAW_TOOL (ct), display);
}
static void
plug_in_actions_add_proc (GimpActionGroup *group,
GimpPlugInProcedure *proc)
{
GimpProcedureActionEntry entry;
const gchar *locale_domain;
GList *list;
locale_domain = gimp_plug_in_procedure_get_locale_domain (proc);
entry.name = gimp_object_get_name (proc);
entry.icon_name = gimp_viewable_get_icon_name (GIMP_VIEWABLE (proc));
entry.label = gimp_procedure_get_menu_label (GIMP_PROCEDURE (proc));
entry.accelerator = NULL;
entry.tooltip = gimp_procedure_get_blurb (GIMP_PROCEDURE (proc));
entry.procedure = GIMP_PROCEDURE (proc);
entry.help_id = gimp_procedure_get_help_id (GIMP_PROCEDURE (proc));
gimp_action_group_add_procedure_actions (group, &entry, 1,
G_CALLBACK (plug_in_run_cmd_callback));
for (list = proc->menu_paths; list; list = g_list_next (list))
{
const gchar *original = list->data;
const gchar *translated = dgettext (locale_domain, original);
if (plug_in_actions_check_translation (original, translated))
plug_in_actions_build_path (group, original, translated);
else
plug_in_actions_build_path (group, original, original);
}
if (proc->image_types_val)
{
GimpContext *context = gimp_get_user_context (group->gimp);
GimpImage *image = gimp_context_get_image (context);
GimpDrawable *drawable = NULL;
gboolean sensitive;
const gchar *tooltip;
if (image)
drawable = gimp_image_get_active_drawable (image);
sensitive = gimp_procedure_get_sensitive (GIMP_PROCEDURE (proc),
GIMP_OBJECT (drawable),
&tooltip);
gimp_action_group_set_action_sensitive (group,
gimp_object_get_name (proc),
sensitive);
if (! sensitive && drawable && tooltip)
gimp_action_group_set_action_tooltip (group,
gimp_object_get_name (proc),
tooltip);
}
}
static void
gimp_display_shell_dnd_bucket_fill (GimpDisplayShell *shell,
GimpBucketFillMode fill_mode,
const GimpRGB *color,
GimpPattern *pattern)
{
GimpImage *image = gimp_display_get_image (shell->display);
GimpDrawable *drawable;
if (shell->display->gimp->busy)
return;
if (! image)
return;
drawable = gimp_image_get_active_drawable (image);
if (! drawable)
return;
if (gimp_viewable_get_children (GIMP_VIEWABLE (drawable)))
{
gimp_message_literal (shell->display->gimp, G_OBJECT (shell->display),
GIMP_MESSAGE_ERROR,
_("Cannot modify the pixels of layer groups."));
return;
}
if (gimp_item_is_content_locked (GIMP_ITEM (drawable)))
{
gimp_message_literal (shell->display->gimp, G_OBJECT (shell->display),
GIMP_MESSAGE_ERROR,
_("The active layer's pixels are locked."));
return;
}
/* FIXME: there should be a virtual method for this that the
* GimpTextLayer can override.
*/
if (color && gimp_item_is_text_layer (GIMP_ITEM (drawable)))
{
gimp_text_layer_set (GIMP_TEXT_LAYER (drawable), NULL,
"color", color,
NULL);
}
else
{
gimp_edit_fill_full (image, drawable,
color, pattern,
GIMP_OPACITY_OPAQUE, GIMP_NORMAL_MODE,
pattern ?
C_("undo-type", "Drop pattern to layer") :
C_("undo-type", "Drop color to layer"));
}
gimp_display_shell_dnd_flush (shell, image);
}
static gboolean
gimp_threshold_tool_initialize (GimpTool *tool,
GimpDisplay *display,
GError **error)
{
GimpThresholdTool *t_tool = GIMP_THRESHOLD_TOOL (tool);
GimpFilterTool *filter_tool = GIMP_FILTER_TOOL (tool);
GimpImage *image = gimp_display_get_image (display);
GimpDrawable *drawable = gimp_image_get_active_drawable (image);
gdouble low;
gdouble high;
gint n_bins;
if (! GIMP_TOOL_CLASS (parent_class)->initialize (tool, display, error))
{
return FALSE;
}
g_clear_object (&t_tool->histogram_async);
g_object_get (filter_tool->config,
"low", &low,
"high", &high,
NULL);
/* this is a hack to make sure that
* 'gimp_histogram_n_bins (t_tool->histogram)' returns the correct value for
* 'drawable' before the asynchronous calculation of its histogram is
* finished.
*/
{
GeglBuffer *temp;
temp = gegl_buffer_new (GEGL_RECTANGLE (0, 0, 1, 1),
gimp_drawable_get_format (drawable));
gimp_histogram_calculate (t_tool->histogram,
temp, GEGL_RECTANGLE (0, 0, 1, 1),
NULL, NULL);
g_object_unref (temp);
}
n_bins = gimp_histogram_n_bins (t_tool->histogram);
t_tool->histogram_async = gimp_drawable_calculate_histogram_async (
drawable, t_tool->histogram, FALSE);
gimp_histogram_view_set_histogram (t_tool->histogram_box->view,
t_tool->histogram);
gimp_histogram_view_set_range (t_tool->histogram_box->view,
low * (n_bins - 0.0001),
high * (n_bins - 0.0001));
return TRUE;
}
static void
gimp_display_shell_dnd_fill (GimpDisplayShell *shell,
GimpFillOptions *options,
const gchar *undo_desc)
{
GimpImage *image = gimp_display_get_image (shell->display);
GimpDrawable *drawable;
if (shell->display->gimp->busy)
return;
if (! image)
return;
drawable = gimp_image_get_active_drawable (image);
if (! drawable)
return;
if (gimp_viewable_get_children (GIMP_VIEWABLE (drawable)))
{
gimp_message_literal (shell->display->gimp, G_OBJECT (shell->display),
GIMP_MESSAGE_ERROR,
_("Cannot modify the pixels of layer groups."));
return;
}
if (gimp_item_is_content_locked (GIMP_ITEM (drawable)))
{
gimp_message_literal (shell->display->gimp, G_OBJECT (shell->display),
GIMP_MESSAGE_ERROR,
_("The active layer's pixels are locked."));
return;
}
/* FIXME: there should be a virtual method for this that the
* GimpTextLayer can override.
*/
if (gimp_fill_options_get_style (options) == GIMP_FILL_STYLE_SOLID &&
gimp_item_is_text_layer (GIMP_ITEM (drawable)))
{
GimpRGB color;
gimp_context_get_foreground (GIMP_CONTEXT (options), &color);
gimp_text_layer_set (GIMP_TEXT_LAYER (drawable), NULL,
"color", &color,
NULL);
}
else
{
gimp_edit_fill (image, drawable, options, undo_desc);
}
gimp_display_shell_dnd_flush (shell, image);
}
static gint
plug_in_collect_display_args (GtkAction *action,
GimpDisplay *display,
GParamSpec **pspecs,
GimpValueArray *args,
gint n_args)
{
if (gimp_value_array_length (args) > n_args &&
GIMP_IS_PARAM_SPEC_DISPLAY_ID (pspecs[n_args]))
{
if (display)
{
gimp_value_set_display (gimp_value_array_index (args, n_args),
GIMP_OBJECT (display));
n_args++;
}
else
{
g_warning ("Uh-oh, no active display for the plug-in!");
return -1;
}
}
if (gimp_value_array_length (args) > n_args &&
GIMP_IS_PARAM_SPEC_IMAGE_ID (pspecs[n_args]))
{
GimpImage *image = display ? gimp_display_get_image (display) : NULL;
if (image)
{
gimp_value_set_image (gimp_value_array_index (args, n_args),
image);
n_args++;
if (gimp_value_array_length (args) > n_args &&
GIMP_IS_PARAM_SPEC_DRAWABLE_ID (pspecs[n_args]))
{
GimpDrawable *drawable = gimp_image_get_active_drawable (image);
if (drawable)
{
gimp_value_set_drawable (gimp_value_array_index (args, n_args),
drawable);
n_args++;
}
else
{
g_warning ("Uh-oh, no active drawable for the plug-in!");
return -1;
}
}
}
}
return n_args;
}
gboolean
gimp_image_pick_color (GimpImage *image,
GimpDrawable *drawable,
gint x,
gint y,
gboolean sample_merged,
gboolean sample_average,
gdouble average_radius,
const Babl **sample_format,
gpointer pixel,
GimpRGB *color)
{
GimpPickable *pickable;
g_return_val_if_fail (GIMP_IS_IMAGE (image), FALSE);
g_return_val_if_fail (drawable == NULL || GIMP_IS_DRAWABLE (drawable), FALSE);
g_return_val_if_fail (drawable == NULL ||
gimp_item_get_image (GIMP_ITEM (drawable)) == image,
FALSE);
if (! sample_merged)
{
if (! drawable)
drawable = gimp_image_get_active_drawable (image);
if (! drawable)
return FALSE;
}
if (sample_merged)
{
pickable = GIMP_PICKABLE (image);
}
else
{
gint off_x, off_y;
gimp_item_get_offset (GIMP_ITEM (drawable), &off_x, &off_y);
x -= off_x;
y -= off_y;
pickable = GIMP_PICKABLE (drawable);
}
/* Do *not* call gimp_pickable_flush() here because it's too expensive
* to call it unconditionally each time e.g. the cursor view is updated.
* Instead, call gimp_pickable_flush() in the callers if needed.
*/
if (sample_format)
*sample_format = gimp_pickable_get_format (pickable);
return gimp_pickable_pick_color (pickable, x, y,
sample_average, average_radius,
pixel, color);
}
void
filters_actions_update (GimpActionGroup *group,
gpointer data)
{
GimpImage *image;
GimpDrawable *drawable = NULL;
gboolean writable = FALSE;
gboolean gray = FALSE;
gboolean alpha = FALSE;
image = action_data_get_image (data);
if (image)
{
drawable = gimp_image_get_active_drawable (image);
if (drawable)
{
GimpItem *item;
alpha = gimp_drawable_has_alpha (drawable);
gray = gimp_drawable_is_gray (drawable);
if (GIMP_IS_LAYER_MASK (drawable))
item = GIMP_ITEM (gimp_layer_mask_get_layer (GIMP_LAYER_MASK (drawable)));
else
item = GIMP_ITEM (drawable);
writable = ! gimp_item_is_content_locked (item);
if (gimp_viewable_get_children (GIMP_VIEWABLE (drawable)))
writable = FALSE;
}
}
#define SET_SENSITIVE(action,condition) \
gimp_action_group_set_action_sensitive (group, action, (condition) != 0)
SET_SENSITIVE ("filters-color-reduction", writable);
SET_SENSITIVE ("filters-color-temperature", writable && !gray);
SET_SENSITIVE ("filters-color-to-alpha", writable && !gray && alpha);
SET_SENSITIVE ("filters-difference-of-gaussians", writable);
SET_SENSITIVE ("filters-gaussian-blur", writable);
SET_SENSITIVE ("filters-laplace", writable);
SET_SENSITIVE ("filters-lens-distortion", writable);
SET_SENSITIVE ("filters-pixelize", writable);
SET_SENSITIVE ("filters-polar-coordinates", writable);
SET_SENSITIVE ("filters-ripple", writable);
SET_SENSITIVE ("filters-sobel", writable);
SET_SENSITIVE ("filters-semi-flatten", writable && alpha);
SET_SENSITIVE ("filters-threshold-alpha", writable && alpha);
SET_SENSITIVE ("filters-unsharp-mask", writable);
#undef SET_SENSITIVE
}