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gimp/app/display/gimpcursorview.c

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/* GIMP - The GNU Image Manipulation Program
* Copyright (C) 1995 Spencer Kimball and Peter Mattis
*
* gimpcursorview.c
* Copyright (C) 2005-2016 Michael Natterer <mitch@gimp.org>
*
* 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 "libgimpmath/gimpmath.h"
#include "libgimpcolor/gimpcolor.h"
#include "libgimpwidgets/gimpwidgets.h"
#include "display-types.h"
#include "config/gimpcoreconfig.h"
#include "core/gimp.h"
#include "core/gimpcontext.h"
#include "core/gimpimage.h"
#include "core/gimpimage-pick-color.h"
#include "core/gimpitem.h"
#include "widgets/gimpcolorframe.h"
#include "widgets/gimpdocked.h"
#include "widgets/gimpmenufactory.h"
#include "widgets/gimpsessioninfo-aux.h"
#include "gimpcursorview.h"
#include "gimpdisplay.h"
#include "gimpdisplayshell.h"
#include "gimp-intl.h"
enum
{
PROP_0,
PROP_GIMP,
PROP_SAMPLE_MERGED
};
struct _GimpCursorViewPrivate
{
GimpEditor parent_instance;
Gimp *gimp;
GtkWidget *coord_hbox;
GtkWidget *selection_hbox;
GtkWidget *color_hbox;
GtkWidget *pixel_x_label;
GtkWidget *pixel_y_label;
GtkWidget *unit_x_label;
GtkWidget *unit_y_label;
GtkWidget *selection_x_label;
GtkWidget *selection_y_label;
GtkWidget *selection_width_label;
GtkWidget *selection_height_label;
GtkWidget *color_frame_1;
GtkWidget *color_frame_2;
gboolean sample_merged;
GimpContext *context;
GimpDisplayShell *shell;
GimpImage *image;
GimpUnit unit;
guint cursor_idle_id;
GimpImage *cursor_image;
GimpUnit cursor_unit;
gdouble cursor_x;
gdouble cursor_y;
};
static void gimp_cursor_view_docked_iface_init (GimpDockedInterface *iface);
static void gimp_cursor_view_dispose (GObject *object);
static void gimp_cursor_view_constructed (GObject *object);
static void gimp_cursor_view_set_property (GObject *object,
guint property_id,
const GValue *value,
GParamSpec *pspec);
static void gimp_cursor_view_get_property (GObject *object,
guint property_id,
GValue *value,
GParamSpec *pspec);
static void gimp_cursor_view_style_updated (GtkWidget *widget);
static void gimp_cursor_view_set_aux_info (GimpDocked *docked,
GList *aux_info);
static GList * gimp_cursor_view_get_aux_info (GimpDocked *docked);
static void gimp_cursor_view_set_context (GimpDocked *docked,
GimpContext *context);
static void gimp_cursor_view_image_changed (GimpCursorView *view,
GimpImage *image,
GimpContext *context);
static void gimp_cursor_view_mask_changed (GimpCursorView *view,
GimpImage *image);
static void gimp_cursor_view_diplay_changed (GimpCursorView *view,
GimpDisplay *display,
GimpContext *context);
static void gimp_cursor_view_shell_unit_changed (GimpCursorView *view,
GParamSpec *pspec,
GimpDisplayShell *shell);
static void gimp_cursor_view_format_as_unit (GimpUnit unit,
gchar *output_buf,
gint output_buf_size,
gdouble pixel_value,
gdouble image_res);
static void gimp_cursor_view_set_label_italic (GtkWidget *label,
gboolean italic);
static void gimp_cursor_view_update_selection_info (GimpCursorView *view,
GimpImage *image,
GimpUnit unit);
static gboolean gimp_cursor_view_cursor_idle (GimpCursorView *view);
G_DEFINE_TYPE_WITH_CODE (GimpCursorView, gimp_cursor_view, GIMP_TYPE_EDITOR,
G_ADD_PRIVATE (GimpCursorView)
G_IMPLEMENT_INTERFACE (GIMP_TYPE_DOCKED,
gimp_cursor_view_docked_iface_init))
#define parent_class gimp_cursor_view_parent_class
static GimpDockedInterface *parent_docked_iface = NULL;
static void
gimp_cursor_view_class_init (GimpCursorViewClass* klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (klass);
object_class->constructed = gimp_cursor_view_constructed;
object_class->dispose = gimp_cursor_view_dispose;
object_class->get_property = gimp_cursor_view_get_property;
object_class->set_property = gimp_cursor_view_set_property;
widget_class->style_updated = gimp_cursor_view_style_updated;
g_object_class_install_property (object_class, PROP_GIMP,
g_param_spec_object ("gimp",
NULL, NULL,
GIMP_TYPE_GIMP,
GIMP_PARAM_READWRITE |
G_PARAM_CONSTRUCT_ONLY));
g_object_class_install_property (object_class, PROP_SAMPLE_MERGED,
g_param_spec_boolean ("sample-merged",
NULL, NULL,
TRUE,
GIMP_PARAM_READWRITE |
G_PARAM_CONSTRUCT));
}
static void
gimp_cursor_view_init (GimpCursorView *view)
{
GtkWidget *frame;
GtkWidget *grid;
GtkWidget *toggle;
gint content_spacing;
view->priv = gimp_cursor_view_get_instance_private (view);
view->priv->sample_merged = TRUE;
view->priv->context = NULL;
view->priv->shell = NULL;
view->priv->image = NULL;
view->priv->unit = GIMP_UNIT_PIXEL;
view->priv->cursor_idle_id = 0;
gtk_widget_style_get (GTK_WIDGET (view),
"content-spacing", &content_spacing,
NULL);
/* cursor information */
view->priv->coord_hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL,
content_spacing);
gtk_box_set_homogeneous (GTK_BOX (view->priv->coord_hbox), TRUE);
gtk_box_pack_start (GTK_BOX (view), view->priv->coord_hbox,
FALSE, FALSE, 0);
gtk_widget_show (view->priv->coord_hbox);
view->priv->selection_hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL,
content_spacing);
gtk_box_set_homogeneous (GTK_BOX (view->priv->selection_hbox), TRUE);
gtk_box_pack_start (GTK_BOX (view), view->priv->selection_hbox,
FALSE, FALSE, 0);
gtk_widget_show (view->priv->selection_hbox);
/* Pixels */
frame = gimp_frame_new (_("Pixels"));
gtk_box_pack_start (GTK_BOX (view->priv->coord_hbox), frame, TRUE, TRUE, 0);
gtk_widget_show (frame);
grid = gtk_grid_new ();
gtk_grid_set_column_spacing (GTK_GRID (grid), 6);
gtk_grid_set_row_spacing (GTK_GRID (grid), 2);
gtk_container_add (GTK_CONTAINER (frame), grid);
gtk_widget_show (grid);
view->priv->pixel_x_label = gtk_label_new (_("n/a"));
gtk_label_set_xalign (GTK_LABEL (view->priv->pixel_x_label), 1.0);
gimp_grid_attach_aligned (GTK_GRID (grid), 0, 0,
_("X"), 0.5, 0.5,
view->priv->pixel_x_label, 1);
view->priv->pixel_y_label = gtk_label_new (_("n/a"));
gtk_label_set_xalign (GTK_LABEL (view->priv->pixel_y_label), 1.0);
gimp_grid_attach_aligned (GTK_GRID (grid), 0, 1,
_("Y"), 0.5, 0.5,
view->priv->pixel_y_label, 1);
/* Units */
frame = gimp_frame_new (_("Units"));
gtk_box_pack_start (GTK_BOX (view->priv->coord_hbox), frame, TRUE, TRUE, 0);
gtk_widget_show (frame);
grid = gtk_grid_new ();
gtk_grid_set_column_spacing (GTK_GRID (grid), 4);
gtk_grid_set_row_spacing (GTK_GRID (grid), 2);
gtk_container_add (GTK_CONTAINER (frame), grid);
gtk_widget_show (grid);
view->priv->unit_x_label = gtk_label_new (_("n/a"));
gtk_label_set_xalign (GTK_LABEL (view->priv->unit_x_label), 1.0);
gimp_grid_attach_aligned (GTK_GRID (grid), 0, 0,
_("X"), 0.5, 0.5,
view->priv->unit_x_label, 1);
view->priv->unit_y_label = gtk_label_new (_("n/a"));
gtk_label_set_xalign (GTK_LABEL (view->priv->unit_y_label), 1.0);
gimp_grid_attach_aligned (GTK_GRID (grid), 0, 1,
_("Y"), 0.5, 0.5,
view->priv->unit_y_label, 1);
/* Selection Bounding Box */
frame = gimp_frame_new (_("Selection"));
gtk_box_pack_start (GTK_BOX (view->priv->selection_hbox), frame, TRUE, TRUE, 0);
gtk_widget_show (frame);
gimp_help_set_help_data (frame, _("The selection's bounding box"), NULL);
grid = gtk_grid_new ();
gtk_grid_set_column_spacing (GTK_GRID (grid), 6);
gtk_grid_set_row_spacing (GTK_GRID (grid), 2);
gtk_container_add (GTK_CONTAINER (frame), grid);
gtk_widget_show (grid);
view->priv->selection_x_label = gtk_label_new (_("n/a"));
gtk_label_set_xalign (GTK_LABEL (view->priv->selection_x_label), 1.0);
gimp_grid_attach_aligned (GTK_GRID (grid), 0, 0,
_("X"), 0.5, 0.5,
view->priv->selection_x_label, 1);
view->priv->selection_y_label = gtk_label_new (_("n/a"));
gtk_label_set_xalign (GTK_LABEL (view->priv->selection_y_label), 1.0);
gimp_grid_attach_aligned (GTK_GRID (grid), 0, 1,
_("Y"), 0.5, 0.5,
view->priv->selection_y_label, 1);
frame = gimp_frame_new ("");
gtk_box_pack_start (GTK_BOX (view->priv->selection_hbox), frame, TRUE, TRUE, 0);
gtk_widget_show (frame);
grid = gtk_grid_new ();
gtk_grid_set_column_spacing (GTK_GRID (grid), 4);
gtk_grid_set_row_spacing (GTK_GRID (grid), 2);
gtk_container_add (GTK_CONTAINER (frame), grid);
gtk_widget_show (grid);
view->priv->selection_width_label = gtk_label_new (_("n/a"));
gtk_label_set_xalign (GTK_LABEL (view->priv->selection_width_label), 1.0);
gimp_grid_attach_aligned (GTK_GRID (grid), 0, 0,
/* Width */
_("W"), 0.5, 0.5,
view->priv->selection_width_label, 1);
view->priv->selection_height_label = gtk_label_new (_("n/a"));
gtk_label_set_xalign (GTK_LABEL (view->priv->selection_height_label), 1.0);
gimp_grid_attach_aligned (GTK_GRID (grid), 0, 1,
/* Height */
_("H"), 0.5, 0.5,
view->priv->selection_height_label, 1);
/* sample merged toggle */
toggle = gimp_prop_check_button_new (G_OBJECT (view), "sample-merged",
_("_Sample Merged"));
gtk_box_pack_start (GTK_BOX (view), toggle, FALSE, FALSE, 0);
}
static void
gimp_cursor_view_docked_iface_init (GimpDockedInterface *iface)
{
parent_docked_iface = g_type_interface_peek_parent (iface);
if (! parent_docked_iface)
parent_docked_iface = g_type_default_interface_peek (GIMP_TYPE_DOCKED);
iface->set_aux_info = gimp_cursor_view_set_aux_info;
iface->get_aux_info = gimp_cursor_view_get_aux_info;
iface->set_context = gimp_cursor_view_set_context;
}
static void
gimp_cursor_view_constructed (GObject *object)
{
GimpCursorView *view = GIMP_CURSOR_VIEW (object);
gint content_spacing;
gtk_widget_style_get (GTK_WIDGET (view),
"content-spacing", &content_spacing,
NULL);
/* color information */
view->priv->color_hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL,
content_spacing);
gtk_box_set_homogeneous (GTK_BOX (view->priv->color_hbox), TRUE);
gtk_box_pack_start (GTK_BOX (view), view->priv->color_hbox, FALSE, FALSE, 0);
gtk_widget_show (view->priv->color_hbox);
view->priv->color_frame_1 = gimp_color_frame_new (view->priv->gimp);
gimp_color_frame_set_mode (GIMP_COLOR_FRAME (view->priv->color_frame_1),
GIMP_COLOR_PICK_MODE_PIXEL);
gimp_color_frame_set_ellipsize (GIMP_COLOR_FRAME (view->priv->color_frame_1),
PANGO_ELLIPSIZE_END);
gtk_box_pack_start (GTK_BOX (view->priv->color_hbox), view->priv->color_frame_1,
TRUE, TRUE, 0);
gtk_widget_show (view->priv->color_frame_1);
view->priv->color_frame_2 = gimp_color_frame_new (view->priv->gimp);
gimp_color_frame_set_mode (GIMP_COLOR_FRAME (view->priv->color_frame_2),
GIMP_COLOR_PICK_MODE_RGB_PERCENT);
gtk_box_pack_start (GTK_BOX (view->priv->color_hbox), view->priv->color_frame_2,
TRUE, TRUE, 0);
gtk_widget_show (view->priv->color_frame_2);
}
static void
gimp_cursor_view_dispose (GObject *object)
{
GimpCursorView *view = GIMP_CURSOR_VIEW (object);
if (view->priv->context)
gimp_docked_set_context (GIMP_DOCKED (view), NULL);
if (view->priv->cursor_idle_id)
{
g_source_remove (view->priv->cursor_idle_id);
view->priv->cursor_idle_id = 0;
}
view->priv->color_frame_1 = NULL;
view->priv->color_frame_2 = NULL;
g_clear_object (&view->priv->cursor_image);
G_OBJECT_CLASS (parent_class)->dispose (object);
}
static void
gimp_cursor_view_set_property (GObject *object,
guint property_id,
const GValue *value,
GParamSpec *pspec)
{
GimpCursorView *view = GIMP_CURSOR_VIEW (object);
switch (property_id)
{
case PROP_GIMP:
view->priv->gimp = g_value_get_object (value);
break;
case PROP_SAMPLE_MERGED:
view->priv->sample_merged = g_value_get_boolean (value);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
break;
}
}
static void
gimp_cursor_view_get_property (GObject *object,
guint property_id,
GValue *value,
GParamSpec *pspec)
{
GimpCursorView *view = GIMP_CURSOR_VIEW (object);
switch (property_id)
{
case PROP_GIMP:
g_value_set_object (value, view->priv->gimp);
break;
case PROP_SAMPLE_MERGED:
g_value_set_boolean (value, view->priv->sample_merged);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
break;
}
}
#define AUX_INFO_FRAME_1_MODE "frame-1-mode"
#define AUX_INFO_FRAME_2_MODE "frame-2-mode"
static void
gimp_cursor_view_set_aux_info (GimpDocked *docked,
GList *aux_info)
{
GimpCursorView *view = GIMP_CURSOR_VIEW (docked);
GList *list;
parent_docked_iface->set_aux_info (docked, aux_info);
for (list = aux_info; list; list = g_list_next (list))
{
GimpSessionInfoAux *aux = list->data;
GtkWidget *frame = NULL;
if (! strcmp (aux->name, AUX_INFO_FRAME_1_MODE))
frame = view->priv->color_frame_1;
else if (! strcmp (aux->name, AUX_INFO_FRAME_2_MODE))
frame = view->priv->color_frame_2;
if (frame)
{
GEnumClass *enum_class;
GEnumValue *enum_value;
enum_class = g_type_class_peek (GIMP_TYPE_COLOR_PICK_MODE);
enum_value = g_enum_get_value_by_nick (enum_class, aux->value);
if (enum_value)
gimp_color_frame_set_mode (GIMP_COLOR_FRAME (frame),
enum_value->value);
}
}
}
static GList *
gimp_cursor_view_get_aux_info (GimpDocked *docked)
{
GimpCursorView *view = GIMP_CURSOR_VIEW (docked);
GList *aux_info;
const gchar *nick;
GimpSessionInfoAux *aux;
aux_info = parent_docked_iface->get_aux_info (docked);
if (gimp_enum_get_value (GIMP_TYPE_COLOR_PICK_MODE,
GIMP_COLOR_FRAME (view->priv->color_frame_1)->pick_mode,
NULL, &nick, NULL, NULL))
{
aux = gimp_session_info_aux_new (AUX_INFO_FRAME_1_MODE, nick);
aux_info = g_list_append (aux_info, aux);
}
if (gimp_enum_get_value (GIMP_TYPE_COLOR_PICK_MODE,
GIMP_COLOR_FRAME (view->priv->color_frame_2)->pick_mode,
NULL, &nick, NULL, NULL))
{
aux = gimp_session_info_aux_new (AUX_INFO_FRAME_2_MODE, nick);
aux_info = g_list_append (aux_info, aux);
}
return aux_info;
}
static void
gimp_cursor_view_format_as_unit (GimpUnit unit,
gchar *output_buf,
gint output_buf_size,
gdouble pixel_value,
gdouble image_res)
{
gchar format_buf[32];
gdouble value;
gint unit_digits = 0;
const gchar *unit_str = "";
value = gimp_pixels_to_units (pixel_value, unit, image_res);
if (unit != GIMP_UNIT_PIXEL)
{
unit_digits = gimp_unit_get_scaled_digits (unit, image_res);
unit_str = gimp_unit_get_abbreviation (unit);
}
g_snprintf (format_buf, sizeof (format_buf),
"%%.%df %s", unit_digits, unit_str);
g_snprintf (output_buf, output_buf_size, format_buf, value);
}
static void
gimp_cursor_view_set_label_italic (GtkWidget *label,
gboolean italic)
{
PangoStyle attribute = italic ? PANGO_STYLE_ITALIC : PANGO_STYLE_NORMAL;
gimp_label_set_attributes (GTK_LABEL (label),
PANGO_ATTR_STYLE, attribute,
-1);
}
static void
gimp_cursor_view_style_updated (GtkWidget *widget)
{
GimpCursorView *view = GIMP_CURSOR_VIEW (widget);
gint content_spacing;
GTK_WIDGET_CLASS (parent_class)->style_updated (widget);
gtk_widget_style_get (GTK_WIDGET (view),
"content-spacing", &content_spacing,
NULL);
gtk_box_set_spacing (GTK_BOX (view->priv->coord_hbox), content_spacing);
gtk_box_set_spacing (GTK_BOX (view->priv->selection_hbox), content_spacing);
gtk_box_set_spacing (GTK_BOX (view->priv->color_hbox), content_spacing);
}
static void
gimp_cursor_view_set_context (GimpDocked *docked,
GimpContext *context)
{
GimpCursorView *view = GIMP_CURSOR_VIEW (docked);
GimpColorConfig *config = NULL;
GimpDisplay *display = NULL;
GimpImage *image = NULL;
if (context == view->priv->context)
return;
if (view->priv->context)
{
g_signal_handlers_disconnect_by_func (view->priv->context,
gimp_cursor_view_diplay_changed,
view);
g_signal_handlers_disconnect_by_func (view->priv->context,
gimp_cursor_view_image_changed,
view);
g_object_unref (view->priv->context);
}
view->priv->context = context;
if (view->priv->context)
{
g_object_ref (view->priv->context);
g_signal_connect_swapped (view->priv->context, "display-changed",
G_CALLBACK (gimp_cursor_view_diplay_changed),
view);
g_signal_connect_swapped (view->priv->context, "image-changed",
G_CALLBACK (gimp_cursor_view_image_changed),
view);
config = context->gimp->config->color_management;
display = gimp_context_get_display (context);
image = gimp_context_get_image (context);
}
gimp_color_frame_set_color_config (GIMP_COLOR_FRAME (view->priv->color_frame_1),
config);
gimp_color_frame_set_color_config (GIMP_COLOR_FRAME (view->priv->color_frame_2),
config);
gimp_cursor_view_diplay_changed (view, display, view->priv->context);
gimp_cursor_view_image_changed (view, image, view->priv->context);
}
static void
gimp_cursor_view_image_changed (GimpCursorView *view,
GimpImage *image,
GimpContext *context)
{
g_return_if_fail (GIMP_IS_CURSOR_VIEW (view));
if (image == view->priv->image)
return;
if (view->priv->image)
{
g_signal_handlers_disconnect_by_func (view->priv->image,
gimp_cursor_view_mask_changed,
view);
}
view->priv->image = image;
if (view->priv->image)
{
g_signal_connect_swapped (view->priv->image, "mask-changed",
G_CALLBACK (gimp_cursor_view_mask_changed),
view);
}
gimp_cursor_view_mask_changed (view, view->priv->image);
}
static void
gimp_cursor_view_mask_changed (GimpCursorView *view,
GimpImage *image)
{
gimp_cursor_view_update_selection_info (view,
view->priv->image,
view->priv->unit);
}
static void
gimp_cursor_view_diplay_changed (GimpCursorView *view,
GimpDisplay *display,
GimpContext *context)
{
GimpDisplayShell *shell = NULL;
if (display)
shell = gimp_display_get_shell (display);
if (view->priv->shell)
{
g_signal_handlers_disconnect_by_func (view->priv->shell,
gimp_cursor_view_shell_unit_changed,
view);
}
view->priv->shell = shell;
if (view->priv->shell)
{
g_signal_connect_swapped (view->priv->shell, "notify::unit",
G_CALLBACK (gimp_cursor_view_shell_unit_changed),
view);
}
gimp_cursor_view_shell_unit_changed (view,
NULL,
view->priv->shell);
}
static void
gimp_cursor_view_shell_unit_changed (GimpCursorView *view,
GParamSpec *pspec,
GimpDisplayShell *shell)
{
GimpUnit new_unit = GIMP_UNIT_PIXEL;
if (shell)
{
new_unit = gimp_display_shell_get_unit (shell);
}
if (view->priv->unit != new_unit)
{
gimp_cursor_view_update_selection_info (view, view->priv->image, new_unit);
view->priv->unit = new_unit;
}
}
static void
gimp_cursor_view_update_selection_info (GimpCursorView *view,
GimpImage *image,
GimpUnit unit)
{
gint x, y, width, height;
if (image &&
gimp_item_bounds (GIMP_ITEM (gimp_image_get_mask (image)),
&x, &y, &width, &height))
{
gdouble xres, yres;
gchar buf[32];
gimp_image_get_resolution (image, &xres, &yres);
gimp_cursor_view_format_as_unit (unit, buf, sizeof (buf), x, xres);
gtk_label_set_text (GTK_LABEL (view->priv->selection_x_label), buf);
gimp_cursor_view_format_as_unit (unit, buf, sizeof (buf), y, yres);
gtk_label_set_text (GTK_LABEL (view->priv->selection_y_label), buf);
gimp_cursor_view_format_as_unit (unit, buf, sizeof (buf), width, xres);
gtk_label_set_text (GTK_LABEL (view->priv->selection_width_label), buf);
gimp_cursor_view_format_as_unit (unit, buf, sizeof (buf), height, yres);
gtk_label_set_text (GTK_LABEL (view->priv->selection_height_label), buf);
}
else
{
gtk_label_set_text (GTK_LABEL (view->priv->selection_x_label),
_("n/a"));
gtk_label_set_text (GTK_LABEL (view->priv->selection_y_label),
_("n/a"));
gtk_label_set_text (GTK_LABEL (view->priv->selection_width_label),
_("n/a"));
gtk_label_set_text (GTK_LABEL (view->priv->selection_height_label),
_("n/a"));
}
}
static gboolean
gimp_cursor_view_cursor_idle (GimpCursorView *view)
{
if (view->priv->cursor_image)
{
GimpImage *image = view->priv->cursor_image;
GimpUnit unit = view->priv->cursor_unit;
gdouble x = view->priv->cursor_x;
gdouble y = view->priv->cursor_y;
gboolean in_image;
gchar buf[32];
const Babl *sample_format;
gdouble pixel[4];
GeglColor *color;
gdouble xres;
gdouble yres;
gint int_x;
gint int_y;
if (unit == GIMP_UNIT_PIXEL)
unit = gimp_image_get_unit (image);
gimp_image_get_resolution (image, &xres, &yres);
in_image = (x >= 0.0 && x < gimp_image_get_width (image) &&
y >= 0.0 && y < gimp_image_get_height (image));
g_snprintf (buf, sizeof (buf), "%d", (gint) floor (x));
gtk_label_set_text (GTK_LABEL (view->priv->pixel_x_label), buf);
gimp_cursor_view_set_label_italic (view->priv->pixel_x_label, ! in_image);
g_snprintf (buf, sizeof (buf), "%d", (gint) floor (y));
gtk_label_set_text (GTK_LABEL (view->priv->pixel_y_label), buf);
gimp_cursor_view_set_label_italic (view->priv->pixel_y_label, ! in_image);
gimp_cursor_view_format_as_unit (unit, buf, sizeof (buf), x, xres);
gtk_label_set_text (GTK_LABEL (view->priv->unit_x_label), buf);
gimp_cursor_view_set_label_italic (view->priv->unit_x_label, ! in_image);
gimp_cursor_view_format_as_unit (unit, buf, sizeof (buf), y, yres);
gtk_label_set_text (GTK_LABEL (view->priv->unit_y_label), buf);
gimp_cursor_view_set_label_italic (view->priv->unit_y_label, ! in_image);
int_x = (gint) floor (x);
int_y = (gint) floor (y);
color = gegl_color_new ("black");
if (gimp_image_pick_color (image, NULL,
int_x, int_y,
view->priv->shell->show_all,
view->priv->sample_merged,
FALSE, 0.0,
&sample_format, pixel, &color))
{
gimp_color_frame_set_color (GIMP_COLOR_FRAME (view->priv->color_frame_1),
FALSE, color, int_x, int_y);
gimp_color_frame_set_color (GIMP_COLOR_FRAME (view->priv->color_frame_2),
FALSE, color, int_x, int_y);
}
else
{
gimp_color_frame_set_invalid (GIMP_COLOR_FRAME (view->priv->color_frame_1));
gimp_color_frame_set_invalid (GIMP_COLOR_FRAME (view->priv->color_frame_2));
}
/* Show the selection info from the image under the cursor if any */
gimp_cursor_view_update_selection_info (view,
image,
view->priv->cursor_unit);
g_clear_object (&view->priv->cursor_image);
g_object_unref (color);
}
else
{
gtk_label_set_text (GTK_LABEL (view->priv->pixel_x_label), _("n/a"));
gtk_label_set_text (GTK_LABEL (view->priv->pixel_y_label), _("n/a"));
gtk_label_set_text (GTK_LABEL (view->priv->unit_x_label), _("n/a"));
gtk_label_set_text (GTK_LABEL (view->priv->unit_y_label), _("n/a"));
gimp_color_frame_set_invalid (GIMP_COLOR_FRAME (view->priv->color_frame_1));
gimp_color_frame_set_invalid (GIMP_COLOR_FRAME (view->priv->color_frame_2));
/* Start showing selection info from the active image again */
gimp_cursor_view_update_selection_info (view,
view->priv->image,
view->priv->unit);
}
view->priv->cursor_idle_id = 0;
return G_SOURCE_REMOVE;
}
/* public functions */
GtkWidget *
gimp_cursor_view_new (Gimp *gimp,
GimpMenuFactory *menu_factory)
{
g_return_val_if_fail (GIMP_IS_MENU_FACTORY (menu_factory), NULL);
return g_object_new (GIMP_TYPE_CURSOR_VIEW,
"gimp", gimp,
"menu-factory", menu_factory,
"menu-identifier", "<CursorInfo>",
"ui-path", "/cursor-info-popup",
NULL);
}
void
gimp_cursor_view_set_sample_merged (GimpCursorView *view,
gboolean sample_merged)
{
g_return_if_fail (GIMP_IS_CURSOR_VIEW (view));
sample_merged = sample_merged ? TRUE : FALSE;
if (view->priv->sample_merged != sample_merged)
{
view->priv->sample_merged = sample_merged;
g_object_notify (G_OBJECT (view), "sample-merged");
}
}
gboolean
gimp_cursor_view_get_sample_merged (GimpCursorView *view)
{
g_return_val_if_fail (GIMP_IS_CURSOR_VIEW (view), FALSE);
return view->priv->sample_merged;
}
void
gimp_cursor_view_update_cursor (GimpCursorView *view,
GimpImage *image,
GimpUnit shell_unit,
gdouble x,
gdouble y)
{
g_return_if_fail (GIMP_IS_CURSOR_VIEW (view));
g_return_if_fail (GIMP_IS_IMAGE (image));
g_clear_object (&view->priv->cursor_image);
view->priv->cursor_image = g_object_ref (image);
view->priv->cursor_unit = shell_unit;
view->priv->cursor_x = x;
view->priv->cursor_y = y;
if (view->priv->cursor_idle_id == 0)
{
view->priv->cursor_idle_id =
g_idle_add ((GSourceFunc) gimp_cursor_view_cursor_idle, view);
}
}
void
gimp_cursor_view_clear_cursor (GimpCursorView *view)
{
g_return_if_fail (GIMP_IS_CURSOR_VIEW (view));
g_clear_object (&view->priv->cursor_image);
if (view->priv->cursor_idle_id == 0)
{
view->priv->cursor_idle_id =
g_idle_add ((GSourceFunc) gimp_cursor_view_cursor_idle, view);
}
}
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