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gimp/app/tools/gimpmeasuretool.c

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/* The GIMP -- an image manipulation program
* Copyright (C) 1995 Spencer Kimball and Peter Mattis
*
* Measure tool
* Copyright (C) 1999-2003 Sven Neumann <sven@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 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 <stdlib.h>
#include <gtk/gtk.h>
#include <gdk/gdkkeysyms.h>
#include "libgimpmath/gimpmath.h"
#include "libgimpwidgets/gimpwidgets.h"
#include "tools-types.h"
#include "core/gimpimage.h"
#include "core/gimpimage-guides.h"
#include "core/gimpimage-undo.h"
#include "core/gimpimage-undo-push.h"
#include "core/gimptoolinfo.h"
#include "core/gimpunit.h"
#include "widgets/gimphelp-ids.h"
#include "widgets/gimptooldialog.h"
#include "widgets/gimpviewabledialog.h"
#include "display/gimpdisplay.h"
#include "display/gimpdisplayshell.h"
#include "gimpmeasureoptions.h"
#include "gimpmeasuretool.h"
#include "gimptoolcontrol.h"
#include "tools-utils.h"
#include "gimp-intl.h"
/* definitions */
#define TARGET 8
#define ARC_RADIUS 30
/* local function prototypes */
static void gimp_measure_tool_class_init (GimpMeasureToolClass *klass);
static void gimp_measure_tool_init (GimpMeasureTool *tool);
static void gimp_measure_tool_control (GimpTool *tool,
GimpToolAction action,
GimpDisplay *gdisp);
static void gimp_measure_tool_button_press (GimpTool *tool,
GimpCoords *coords,
guint32 time,
GdkModifierType state,
GimpDisplay *gdisp);
static void gimp_measure_tool_button_release (GimpTool *tool,
GimpCoords *coords,
guint32 time,
GdkModifierType state,
GimpDisplay *gdisp);
static void gimp_measure_tool_motion (GimpTool *tool,
GimpCoords *coords,
guint32 time,
GdkModifierType state,
GimpDisplay *gdisp);
static gboolean gimp_measure_tool_key_press (GimpTool *tool,
GdkEventKey *kevent,
GimpDisplay *gdisp);
static void gimp_measure_tool_cursor_update (GimpTool *tool,
GimpCoords *coords,
GdkModifierType state,
GimpDisplay *gdisp);
static void gimp_measure_tool_draw (GimpDrawTool *draw_tool);
static void gimp_measure_tool_halt (GimpMeasureTool *mtool);
static gdouble gimp_measure_tool_get_angle (gint dx,
gint dy,
gdouble xres,
gdouble yres);
static GtkWidget * gimp_measure_tool_dialog_new (GimpMeasureTool *mtool);
static void gimp_measure_tool_dialog_update (GimpMeasureTool *mtool,
GimpDisplay *gdisp);
static GimpDrawToolClass *parent_class = NULL;
void
gimp_measure_tool_register (GimpToolRegisterCallback callback,
gpointer data)
{
(* callback) (GIMP_TYPE_MEASURE_TOOL,
GIMP_TYPE_MEASURE_OPTIONS,
gimp_measure_options_gui,
0,
"gimp-measure-tool",
_("Measure"),
_("Measure distances and angles"),
N_("_Measure"), NULL,
NULL, GIMP_HELP_TOOL_MEASURE,
GIMP_STOCK_TOOL_MEASURE,
data);
}
GType
gimp_measure_tool_get_type (void)
{
static GType tool_type = 0;
if (! tool_type)
{
static const GTypeInfo tool_info =
{
sizeof (GimpMeasureToolClass),
(GBaseInitFunc) NULL,
(GBaseFinalizeFunc) NULL,
(GClassInitFunc) gimp_measure_tool_class_init,
NULL, /* class_finalize */
NULL, /* class_data */
sizeof (GimpMeasureTool),
0, /* n_preallocs */
(GInstanceInitFunc) gimp_measure_tool_init,
};
tool_type = g_type_register_static (GIMP_TYPE_DRAW_TOOL,
"GimpMeasureTool",
&tool_info, 0);
}
return tool_type;
}
static void
gimp_measure_tool_class_init (GimpMeasureToolClass *klass)
{
GimpToolClass *tool_class = GIMP_TOOL_CLASS (klass);
GimpDrawToolClass *draw_tool_class = GIMP_DRAW_TOOL_CLASS (klass);
parent_class = g_type_class_peek_parent (klass);
tool_class->control = gimp_measure_tool_control;
tool_class->button_press = gimp_measure_tool_button_press;
tool_class->button_release = gimp_measure_tool_button_release;
tool_class->motion = gimp_measure_tool_motion;
tool_class->key_press = gimp_measure_tool_key_press;
tool_class->cursor_update = gimp_measure_tool_cursor_update;
draw_tool_class->draw = gimp_measure_tool_draw;
}
static void
gimp_measure_tool_init (GimpMeasureTool *measure_tool)
{
GimpTool *tool = GIMP_TOOL (measure_tool);
gimp_tool_control_set_tool_cursor (tool->control, GIMP_TOOL_CURSOR_MEASURE);
}
static void
gimp_measure_tool_control (GimpTool *tool,
GimpToolAction action,
GimpDisplay *gdisp)
{
switch (action)
{
case PAUSE:
case RESUME:
break;
case HALT:
gimp_measure_tool_halt (GIMP_MEASURE_TOOL (tool));
break;
default:
break;
}
GIMP_TOOL_CLASS (parent_class)->control (tool, action, gdisp);
}
static void
gimp_measure_tool_button_press (GimpTool *tool,
GimpCoords *coords,
guint32 time,
GdkModifierType state,
GimpDisplay *gdisp)
{
GimpMeasureTool *mtool = GIMP_MEASURE_TOOL (tool);
GimpMeasureOptions *options;
GimpDisplayShell *shell;
gint i;
options = GIMP_MEASURE_OPTIONS (tool->tool_info->tool_options);
shell = GIMP_DISPLAY_SHELL (gdisp->shell);
/* if we are changing displays, pop the statusbar of the old one */
if (gimp_tool_control_is_active (tool->control) && gdisp != tool->gdisp)
{
gimp_tool_pop_status (tool);
}
mtool->function = CREATING;
if (gimp_tool_control_is_active (tool->control) && gdisp == tool->gdisp)
{
/* if the cursor is in one of the handles,
* the new function will be moving or adding a new point or guide
*/
for (i = 0; i < mtool->num_points; i++)
{
if (gimp_draw_tool_on_handle (GIMP_DRAW_TOOL (tool), gdisp,
coords->x,
coords->y,
GIMP_HANDLE_CIRCLE,
mtool->x[i],
mtool->y[i],
TARGET, TARGET,
GTK_ANCHOR_CENTER,
FALSE))
{
if (state & (GDK_CONTROL_MASK | GDK_MOD1_MASK))
{
GimpGuide *guide;
gboolean create_hguide;
gboolean create_vguide;
create_hguide = ((state & GDK_CONTROL_MASK) &&
(mtool->y[i] ==
CLAMP (mtool->y[i],
0,
gdisp->gimage->height)));
create_vguide = ((state & GDK_MOD1_MASK) &&
(mtool->x[i] ==
CLAMP (mtool->x[i],
0,
gdisp->gimage->width)));
if (create_hguide && create_vguide)
gimp_image_undo_group_start (gdisp->gimage,
GIMP_UNDO_GROUP_IMAGE_GUIDE,
_("Add Guides"));
if (create_hguide)
{
guide = gimp_image_add_hguide (gdisp->gimage,
mtool->y[i],
TRUE);
gimp_image_update_guide (gdisp->gimage, guide);
}
if (create_vguide)
{
guide = gimp_image_add_vguide (gdisp->gimage,
mtool->x[i],
TRUE);
gimp_image_update_guide (gdisp->gimage, guide);
}
if (create_hguide && create_vguide)
gimp_image_undo_group_end (gdisp->gimage);
if (create_hguide || create_vguide)
gimp_image_flush (gdisp->gimage);
mtool->function = GUIDING;
break;
}
mtool->function = (state & GDK_SHIFT_MASK) ? ADDING : MOVING;
mtool->point = i;
break;
}
}
/* adding to the middle point makes no sense */
if (i == 0 &&
mtool->function == ADDING &&
mtool->num_points == 3)
{
mtool->function = MOVING;
}
/* if the function is still CREATING, we are outside the handles */
if (mtool->function == CREATING)
{
if (mtool->num_points > 1 && (state & GDK_MOD1_MASK))
{
mtool->function = MOVING_ALL;
mtool->last_x = coords->x;
mtool->last_y = coords->y;
}
}
}
if (mtool->function == CREATING)
{
if (gimp_tool_control_is_active (tool->control))
{
gimp_draw_tool_stop (GIMP_DRAW_TOOL (mtool));
mtool->x[0] = mtool->x[1] = mtool->x[2] = 0.0;
mtool->y[0] = mtool->y[1] = mtool->y[2] = 0.0;
gimp_measure_tool_dialog_update (mtool, gdisp);
}
/* set the first point and go into ADDING mode */
mtool->x[0] = coords->x;
mtool->y[0] = coords->y;
mtool->point = 0;
mtool->num_points = 1;
mtool->function = ADDING;
/* set the gdisplay */
tool->gdisp = gdisp;
if (gimp_tool_control_is_active (tool->control))
{
gimp_tool_pop_status (tool);
gimp_tool_push_status (tool, " ");
}
else
{
gimp_tool_control_activate (tool->control);
}
gimp_draw_tool_start (GIMP_DRAW_TOOL (tool), gdisp);
}
/* create the info window if necessary */
if (! mtool->dialog && (options->use_info_window ||
! GTK_WIDGET_VISIBLE (shell->statusbar)))
{
mtool->dialog = gimp_measure_tool_dialog_new (mtool);
g_object_add_weak_pointer (G_OBJECT (mtool->dialog),
(gpointer *) &mtool->dialog);
}
if (mtool->dialog)
gimp_viewable_dialog_set_viewable (GIMP_VIEWABLE_DIALOG (mtool->dialog),
GIMP_VIEWABLE (tool->gdisp->gimage));
}
static void
gimp_measure_tool_button_release (GimpTool *tool,
GimpCoords *coords,
guint32 time,
GdkModifierType state,
GimpDisplay *gdisp)
{
GimpMeasureTool *measure_tool = GIMP_MEASURE_TOOL (tool);
measure_tool->function = FINISHED;
}
static void
gimp_measure_tool_motion (GimpTool *tool,
GimpCoords *coords,
guint32 time,
GdkModifierType state,
GimpDisplay *gdisp)
{
GimpMeasureTool *mtool = GIMP_MEASURE_TOOL (tool);
GimpMeasureOptions *options;
gint dx, dy;
gint i;
gint tmp;
options = GIMP_MEASURE_OPTIONS (tool->tool_info->tool_options);
gimp_draw_tool_pause (GIMP_DRAW_TOOL (mtool));
/*
* A few comments here, because this routine looks quite weird at first ...
*
* The goal is to keep point 0, called the start point, to be
* always the one in the middle or, if there are only two points,
* the one that is fixed. The angle is then always measured at
* this point.
*/
switch (mtool->function)
{
case ADDING:
switch (mtool->point)
{
case 0: /* we are adding to the start point */
break;
case 1: /* we are adding to the end point,
make it the new start point */
tmp = mtool->x[0];
mtool->x[0] = mtool->x[1];
mtool->x[1] = tmp;
tmp = mtool->y[0];
mtool->y[0] = mtool->y[1];
mtool->y[1] = tmp;
break;
case 2: /* we are adding to the third point,
make it the new start point */
mtool->x[1] = mtool->x[0];
mtool->y[1] = mtool->y[0];
mtool->x[0] = mtool->x[2];
mtool->y[0] = mtool->y[2];
break;
default:
break;
}
mtool->num_points = MIN (mtool->num_points + 1, 3);
mtool->point = mtool->num_points - 1;
mtool->function = MOVING;
/* no, don't break here! */
case MOVING:
/* if we are moving the start point and only have two,
make it the end point */
if (mtool->num_points == 2 && mtool->point == 0)
{
tmp = mtool->x[0];
mtool->x[0] = mtool->x[1];
mtool->x[1] = tmp;
tmp = mtool->y[0];
mtool->y[0] = mtool->y[1];
mtool->y[1] = tmp;
mtool->point = 1;
}
i = mtool->point;
mtool->x[i] = ROUND (coords->x);
mtool->y[i] = ROUND (coords->y);
if (state & GDK_CONTROL_MASK)
{
gdouble x = mtool->x[i];
gdouble y = mtool->y[i];
gimp_tool_motion_constrain (mtool->x[0], mtool->y[0], &x, &y);
mtool->x[i] = ROUND (x);
mtool->y[i] = ROUND (y);
}
break;
case MOVING_ALL:
dx = ROUND (coords->x) - mtool->last_x;
dy = ROUND (coords->y) - mtool->last_y;
for (i = 0; i < mtool->num_points; i++)
{
mtool->x[i] += dx;
mtool->y[i] += dy;
}
mtool->last_x = ROUND (coords->x);
mtool->last_y = ROUND (coords->y);
break;
default:
break;
}
if (mtool->function == MOVING)
gimp_measure_tool_dialog_update (mtool, gdisp);
gimp_draw_tool_resume (GIMP_DRAW_TOOL (mtool));
}
static gboolean
gimp_measure_tool_key_press (GimpTool *tool,
GdkEventKey *kevent,
GimpDisplay *gdisp)
{
if (gdisp == tool->gdisp)
{
switch (kevent->keyval)
{
case GDK_Escape:
gimp_measure_tool_halt (GIMP_MEASURE_TOOL (tool));
return TRUE;
default:
break;
}
}
return FALSE;
}
static void
gimp_measure_tool_cursor_update (GimpTool *tool,
GimpCoords *coords,
GdkModifierType state,
GimpDisplay *gdisp)
{
GimpMeasureTool *mtool = GIMP_MEASURE_TOOL (tool);
gboolean in_handle = FALSE;
GimpCursorType cursor = GIMP_CURSOR_CROSSHAIR_SMALL;
GimpCursorModifier modifier = GIMP_CURSOR_MODIFIER_NONE;
gint i;
if (gimp_tool_control_is_active (tool->control) && tool->gdisp == gdisp)
{
for (i = 0; i < mtool->num_points; i++)
{
if (gimp_draw_tool_on_handle (GIMP_DRAW_TOOL (tool), gdisp,
coords->x,
coords->y,
GIMP_HANDLE_CIRCLE,
mtool->x[i],
mtool->y[i],
TARGET, TARGET,
GTK_ANCHOR_CENTER,
FALSE))
{
in_handle = TRUE;
if (state & GDK_CONTROL_MASK)
{
if (state & GDK_MOD1_MASK)
cursor = GDK_BOTTOM_RIGHT_CORNER;
else
cursor = GDK_BOTTOM_SIDE;
break;
}
if (state & GDK_MOD1_MASK)
{
cursor = GDK_RIGHT_SIDE;
break;
}
if (state & GDK_SHIFT_MASK)
modifier = GIMP_CURSOR_MODIFIER_PLUS;
else
modifier = GIMP_CURSOR_MODIFIER_MOVE;
if (i == 0 && mtool->num_points == 3 &&
modifier == GIMP_CURSOR_MODIFIER_PLUS)
modifier = GIMP_CURSOR_MODIFIER_MOVE;
break;
}
}
if (! in_handle && mtool->num_points > 1 && state & GDK_MOD1_MASK)
modifier = GIMP_CURSOR_MODIFIER_MOVE;
}
gimp_tool_control_set_cursor (tool->control, cursor);
gimp_tool_control_set_cursor_modifier (tool->control, modifier);
GIMP_TOOL_CLASS (parent_class)->cursor_update (tool, coords, state, gdisp);
}
static void
gimp_measure_tool_draw (GimpDrawTool *draw_tool)
{
GimpMeasureTool *mtool = GIMP_MEASURE_TOOL (draw_tool);
GimpTool *tool = GIMP_TOOL (draw_tool);
gint i;
gint angle1, angle2;
gint draw_arc = 0;
for (i = 0; i < mtool->num_points; i++)
{
if (i == 0 && mtool->num_points == 3)
{
gimp_draw_tool_draw_handle (draw_tool,
GIMP_HANDLE_CIRCLE,
mtool->x[i],
mtool->y[i],
TARGET,
TARGET,
GTK_ANCHOR_CENTER,
FALSE);
}
else
{
gimp_draw_tool_draw_handle (draw_tool,
GIMP_HANDLE_CROSS,
mtool->x[i],
mtool->y[i],
TARGET * 2,
TARGET * 2,
GTK_ANCHOR_CENTER,
FALSE);
}
if (i > 0)
{
gimp_draw_tool_draw_line (draw_tool,
mtool->x[0],
mtool->y[0],
mtool->x[i],
mtool->y[i],
FALSE);
/* only draw the arc if the lines are long enough */
if (gimp_draw_tool_calc_distance (draw_tool, tool->gdisp,
mtool->x[0],
mtool->y[0],
mtool->x[i],
mtool->y[i]) > ARC_RADIUS)
{
draw_arc++;
}
}
}
if (mtool->num_points > 1 && draw_arc == mtool->num_points - 1)
{
angle1 = mtool->angle2 * 64.0;
angle2 = (mtool->angle1 - mtool->angle2) * 64.0;
if (angle2 > 11520)
angle2 -= 23040;
if (angle2 < -11520)
angle2 += 23040;
if (angle2 != 0)
{
gimp_draw_tool_draw_arc_by_anchor (draw_tool,
FALSE,
mtool->x[0],
mtool->y[0],
ARC_RADIUS,
ARC_RADIUS,
angle1, angle2,
GTK_ANCHOR_CENTER,
FALSE);
if (mtool->num_points == 2)
{
GimpDisplayShell *shell;
gdouble target;
gdouble arc_radius;
shell = GIMP_DISPLAY_SHELL (tool->gdisp->shell);
target = FUNSCALEX (shell, (TARGET >> 1));
arc_radius = FUNSCALEX (shell, ARC_RADIUS);
gimp_draw_tool_draw_line (draw_tool,
mtool->x[0],
mtool->y[0],
(mtool->x[1] >= mtool->x[0] ?
mtool->x[0] + arc_radius + target :
mtool->x[0] - arc_radius - target),
mtool->y[0],
FALSE);
}
}
}
}
static void
gimp_measure_tool_halt (GimpMeasureTool *mtool)
{
GimpTool *tool = GIMP_TOOL (mtool);
if (mtool->dialog)
gtk_widget_destroy (mtool->dialog);
gimp_tool_pop_status (tool);
if (gimp_draw_tool_is_active (GIMP_DRAW_TOOL (mtool)))
gimp_draw_tool_stop (GIMP_DRAW_TOOL (mtool));
if (gimp_tool_control_is_active (tool->control))
gimp_tool_control_halt (tool->control);
}
static gdouble
gimp_measure_tool_get_angle (gint dx,
gint dy,
gdouble xres,
gdouble yres)
{
gdouble angle;
if (dx)
angle = gimp_rad_to_deg (atan (((gdouble) (dy) / yres) /
((gdouble) (dx) / xres)));
else if (dy)
angle = dy > 0 ? 270.0 : 90.0;
else
angle = 180.0;
if (dx > 0)
{
if (dy > 0)
angle = 360.0 - angle;
else
angle = -angle;
}
else
{
angle = 180.0 - angle;
}
return angle;
}
static void
gimp_measure_tool_dialog_update (GimpMeasureTool *mtool,
GimpDisplay *gdisp)
{
GimpDisplayShell *shell = GIMP_DISPLAY_SHELL (gdisp->shell);
GimpImage *image = gdisp->gimage;
gint ax, ay;
gint bx, by;
gdouble theta1, theta2;
gdouble pixel_distance;
gdouble pixel_angle;
gdouble unit_distance;
gdouble unit_angle;
gchar format[128];
gchar buf[128];
/* calculate distance and angle */
ax = mtool->x[1] - mtool->x[0];
ay = mtool->y[1] - mtool->y[0];
if (mtool->num_points == 3)
{
bx = mtool->x[2] - mtool->x[0];
by = mtool->y[2] - mtool->y[0];
}
else
{
bx = 0;
by = 0;
}
pixel_distance = sqrt (SQR (ax - bx) + SQR (ay - by));
unit_distance = (_gimp_unit_get_factor (image->gimp, shell->unit) *
sqrt (SQR ((gdouble)(ax - bx) / image->xresolution) +
SQR ((gdouble)(ay - by) / image->yresolution)));
if (mtool->num_points != 3)
bx = ax > 0 ? 1 : -1;
theta1 = gimp_measure_tool_get_angle (ax, ay, 1.0, 1.0);
theta2 = gimp_measure_tool_get_angle (bx, by, 1.0, 1.0);
pixel_angle = fabs (theta1 - theta2);
if (pixel_angle > 180.0)
pixel_angle = fabs (360.0 - pixel_angle);
theta1 = gimp_measure_tool_get_angle (ax, ay,
image->xresolution, image->yresolution);
theta2 = gimp_measure_tool_get_angle (bx, by,
image->xresolution, image->yresolution);
mtool->angle1 = theta1;
mtool->angle2 = theta2;
unit_angle = fabs (theta1 - theta2);
if (unit_angle > 180.0)
unit_angle = fabs (360.0 - unit_angle);
if (shell->unit == GIMP_UNIT_PIXEL)
{
g_snprintf (buf, sizeof (buf), "%.1f %s, %.2f \302\260",
pixel_distance, _("pixels"), pixel_angle);
}
else
{
g_snprintf (format, sizeof (format), "%%.%df %s, %%.2f \302\260",
_gimp_unit_get_digits (image->gimp, shell->unit),
_gimp_unit_get_plural (image->gimp, shell->unit));
g_snprintf (buf, sizeof (buf), format, unit_distance, unit_angle);
}
gimp_tool_pop_status (GIMP_TOOL (mtool));
gimp_tool_push_status (GIMP_TOOL (mtool), buf);
if (mtool->dialog)
{
g_snprintf (buf, sizeof (buf), "%.1f", pixel_distance);
gtk_label_set_text (GTK_LABEL (mtool->distance_label[0]), buf);
g_snprintf (buf, sizeof (buf), "%.2f", pixel_angle);
gtk_label_set_text (GTK_LABEL (mtool->angle_label[0]), buf);
g_snprintf (format, sizeof (format),
"%%.%df", _gimp_unit_get_digits (image->gimp, shell->unit));
g_snprintf (buf, sizeof (buf), format, unit_distance);
gtk_label_set_text (GTK_LABEL (mtool->distance_label[1]), buf);
gtk_label_set_text (GTK_LABEL (mtool->unit_label[0]),
_gimp_unit_get_plural (image->gimp, shell->unit));
if (fabs (unit_angle - pixel_angle) > 0.01)
{
g_snprintf (buf, sizeof (buf), "%.2f", unit_angle);
gtk_label_set_text (GTK_LABEL (mtool->angle_label[1]), buf);
gtk_label_set_text (GTK_LABEL (mtool->unit_label[1]), "\302\260");
}
else
{
gtk_label_set_text (GTK_LABEL (mtool->angle_label[1]), " ");
gtk_label_set_text (GTK_LABEL (mtool->unit_label[1]), " ");
}
if (GTK_WIDGET_VISIBLE (mtool->dialog))
gdk_window_show (mtool->dialog->window);
else
gtk_widget_show (mtool->dialog);
}
}
static GtkWidget *
gimp_measure_tool_dialog_new (GimpMeasureTool *mtool)
{
GimpTool *tool = GIMP_TOOL (mtool);
GtkWidget *dialog;
GtkWidget *table;
GtkWidget *label;
dialog = gimp_tool_dialog_new (tool->tool_info,
NULL /* tool->gdisp->shell */,
_("Measure Distances and Angles"),
GTK_STOCK_CLOSE, GTK_RESPONSE_CLOSE,
NULL);
g_signal_connect (dialog, "response",
G_CALLBACK (gtk_widget_destroy),
NULL);
table = gtk_table_new (2, 5, TRUE);
gtk_table_set_col_spacings (GTK_TABLE (table), 6);
gtk_table_set_row_spacings (GTK_TABLE (table), 6);
gtk_container_set_border_width (GTK_CONTAINER (table), 6);
gtk_container_add (GTK_CONTAINER (GTK_DIALOG (dialog)->vbox), table);
gtk_widget_show (table);
label = gtk_label_new (_("Distance:"));
gtk_misc_set_alignment (GTK_MISC (label), 0.0, 0.5);
gtk_table_attach_defaults (GTK_TABLE (table), label, 0, 1, 0, 1);
gtk_widget_show (label);
mtool->distance_label[0] = label = gtk_label_new ("0.0");
gtk_misc_set_alignment (GTK_MISC (label), 1.0, 0.5);
gtk_table_attach_defaults (GTK_TABLE (table), label, 1, 2, 0, 1);
gtk_widget_show (label);
label = gtk_label_new (_("pixels"));
gtk_misc_set_alignment (GTK_MISC (label), 0.0, 0.5);
gtk_table_attach_defaults (GTK_TABLE (table), label, 2, 3, 0, 1);
gtk_widget_show (label);
mtool->distance_label[1] = label = gtk_label_new ("0.0");
gtk_misc_set_alignment (GTK_MISC (label), 1.0, 0.5);
gtk_table_attach_defaults (GTK_TABLE (table), label, 3, 4, 0, 1);
gtk_widget_show (label);
mtool->unit_label[0] = label = gtk_label_new (" ");
gtk_misc_set_alignment (GTK_MISC (label), 0.0, 0.5);
gtk_table_attach_defaults (GTK_TABLE (table), label, 4, 5, 0, 1);
gtk_widget_show (label);
label = gtk_label_new (_("Angle:"));
gtk_misc_set_alignment (GTK_MISC (label), 0.0, 0.5);
gtk_table_attach_defaults (GTK_TABLE (table), label, 0, 1, 1, 2);
gtk_widget_show (label);
mtool->angle_label[0] = label = gtk_label_new ("0.0");
gtk_misc_set_alignment (GTK_MISC (label), 1.0, 0.5);
gtk_table_attach_defaults (GTK_TABLE (table), label, 1, 2, 1, 2);
gtk_widget_show (label);
label = gtk_label_new ("\302\260");
gtk_misc_set_alignment (GTK_MISC (label), 0.0, 0.5);
gtk_table_attach_defaults (GTK_TABLE (table), label, 2, 3, 1, 2);
gtk_widget_show (label);
mtool->angle_label[1] = label = gtk_label_new (" ");
gtk_misc_set_alignment (GTK_MISC (label), 1.0, 0.5);
gtk_table_attach_defaults (GTK_TABLE (table), label, 3, 4, 1, 2);
gtk_widget_show (label);
mtool->unit_label[1] = label = gtk_label_new (" ");
gtk_misc_set_alignment (GTK_MISC (label), 0.0, 0.5);
gtk_table_attach_defaults (GTK_TABLE (table), label, 4, 5, 1, 2);
gtk_widget_show (label);
return dialog;
}
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