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gimp/app/tools/gimpvectortool.c

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/* GIMP - The GNU Image Manipulation Program
* Copyright (C) 1995 Spencer Kimball and Peter Mattis
*
* Vector tool
* Copyright (C) 2003 Simon Budig <simon@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 <http://www.gnu.org/licenses/>.
*/
#include "config.h"
#include <gegl.h>
#include <gtk/gtk.h>
#include <gdk/gdkkeysyms.h>
#include "libgimpbase/gimpbase.h"
#include "libgimpwidgets/gimpwidgets.h"
#include "tools-types.h"
#include "core/gimp.h"
#include "core/gimpcontext.h"
#include "core/gimpchannel-select.h"
#include "core/gimpimage.h"
#include "core/gimpimage-undo.h"
#include "core/gimpimage-undo-push.h"
#include "core/gimplist.h"
#include "core/gimpprogress.h"
#include "core/gimptoolinfo.h"
#include "core/gimpundostack.h"
#include "paint/gimppaintoptions.h" /* GIMP_PAINT_OPTIONS_CONTEXT_MASK */
#include "vectors/gimpanchor.h"
#include "vectors/gimpvectors.h"
#include "vectors/gimpbezierstroke.h"
#include "widgets/gimphelp-ids.h"
#include "widgets/gimpwidgets-utils.h"
#include "display/gimpdisplay.h"
#include "display/gimpdisplayshell.h"
#include "display/gimpdisplayshell-scale.h"
#include "gimptoolcontrol.h"
#include "gimpvectoroptions.h"
#include "gimpvectortool.h"
#include "dialogs/stroke-dialog.h"
#include "gimp-intl.h"
#define TARGET 12
#define TOGGLE_MASK GDK_SHIFT_MASK
#define MOVE_MASK GDK_MOD1_MASK
#define INSDEL_MASK GDK_CONTROL_MASK
/* local function prototypes */
static void gimp_vector_tool_control (GimpTool *tool,
GimpToolAction action,
GimpDisplay *display);
static void gimp_vector_tool_button_press (GimpTool *tool,
const GimpCoords *coords,
guint32 time,
GdkModifierType state,
GimpButtonPressType press_type,
GimpDisplay *display);
static void gimp_vector_tool_button_release (GimpTool *tool,
const GimpCoords *coords,
guint32 time,
GdkModifierType state,
GimpButtonReleaseType release_type,
GimpDisplay *display);
static void gimp_vector_tool_motion (GimpTool *tool,
const GimpCoords *coords,
guint32 time,
GdkModifierType state,
GimpDisplay *display);
static gboolean gimp_vector_tool_key_press (GimpTool *tool,
GdkEventKey *kevent,
GimpDisplay *display);
static void gimp_vector_tool_modifier_key (GimpTool *tool,
GdkModifierType key,
gboolean press,
GdkModifierType state,
GimpDisplay *display);
static void gimp_vector_tool_oper_update (GimpTool *tool,
const GimpCoords *coords,
GdkModifierType state,
gboolean proximity,
GimpDisplay *display);
static void gimp_vector_tool_status_update (GimpTool *tool,
GimpDisplay *display,
GdkModifierType state,
gboolean proximity);
static void gimp_vector_tool_cursor_update (GimpTool *tool,
const GimpCoords *coords,
GdkModifierType state,
GimpDisplay *display);
static void gimp_vector_tool_draw (GimpDrawTool *draw_tool);
static void gimp_vector_tool_vectors_changed (GimpImage *image,
GimpVectorTool *vector_tool);
static void gimp_vector_tool_vectors_removed (GimpVectors *vectors,
GimpVectorTool *vector_tool);
static void gimp_vector_tool_vectors_visible (GimpVectors *vectors,
GimpVectorTool *vector_tool);
static void gimp_vector_tool_vectors_freeze (GimpVectors *vectors,
GimpVectorTool *vector_tool);
static void gimp_vector_tool_vectors_thaw (GimpVectors *vectors,
GimpVectorTool *vector_tool);
static void gimp_vector_tool_move_selected_anchors
(GimpVectorTool *vector_tool,
gdouble x,
gdouble y);
static void gimp_vector_tool_delete_selected_anchors
(GimpVectorTool *vector_tool);
static void gimp_vector_tool_verify_state (GimpVectorTool *vector_tool);
static void gimp_vector_tool_undo_push (GimpVectorTool *vector_tool,
const gchar *desc);
static void gimp_vector_tool_to_selection (GimpVectorTool *vector_tool);
static void gimp_vector_tool_to_selection_extended
(GimpVectorTool *vector_tool,
gint state);
static void gimp_vector_tool_stroke_vectors (GimpVectorTool *vector_tool,
GtkWidget *button);
G_DEFINE_TYPE (GimpVectorTool, gimp_vector_tool, GIMP_TYPE_DRAW_TOOL)
#define parent_class gimp_vector_tool_parent_class
void
gimp_vector_tool_register (GimpToolRegisterCallback callback,
gpointer data)
{
(* callback) (GIMP_TYPE_VECTOR_TOOL,
GIMP_TYPE_VECTOR_OPTIONS,
gimp_vector_options_gui,
GIMP_PAINT_OPTIONS_CONTEXT_MASK |
GIMP_CONTEXT_GRADIENT_MASK, /* for stroking */
"gimp-vector-tool",
_("Paths"),
_("Paths Tool: Create and edit paths"),
N_("Pat_hs"), "b",
NULL, GIMP_HELP_TOOL_PATH,
GIMP_STOCK_TOOL_PATH,
data);
}
static void
gimp_vector_tool_class_init (GimpVectorToolClass *klass)
{
GimpToolClass *tool_class = GIMP_TOOL_CLASS (klass);
GimpDrawToolClass *draw_tool_class = GIMP_DRAW_TOOL_CLASS (klass);
tool_class->control = gimp_vector_tool_control;
tool_class->button_press = gimp_vector_tool_button_press;
tool_class->button_release = gimp_vector_tool_button_release;
tool_class->motion = gimp_vector_tool_motion;
tool_class->key_press = gimp_vector_tool_key_press;
tool_class->modifier_key = gimp_vector_tool_modifier_key;
tool_class->oper_update = gimp_vector_tool_oper_update;
tool_class->cursor_update = gimp_vector_tool_cursor_update;
draw_tool_class->draw = gimp_vector_tool_draw;
}
static void
gimp_vector_tool_init (GimpVectorTool *vector_tool)
{
GimpTool *tool = GIMP_TOOL (vector_tool);
gimp_tool_control_set_scroll_lock (tool->control, FALSE);
gimp_tool_control_set_handle_empty_image (tool->control, TRUE);
gimp_tool_control_set_motion_mode (tool->control,
GIMP_MOTION_MODE_COMPRESS);
gimp_tool_control_set_precision (tool->control,
GIMP_CURSOR_PRECISION_SUBPIXEL);
gimp_tool_control_set_cursor (tool->control, GIMP_CURSOR_MOUSE);
gimp_tool_control_set_tool_cursor (tool->control,
GIMP_TOOL_CURSOR_PATHS);
vector_tool->function = VECTORS_CREATE_VECTOR;
vector_tool->restriction = GIMP_ANCHOR_FEATURE_NONE;
vector_tool->modifier_lock = FALSE;
vector_tool->last_x = 0.0;
vector_tool->last_y = 0.0;
vector_tool->undo_motion = FALSE;
vector_tool->have_undo = FALSE;
vector_tool->cur_anchor = NULL;
vector_tool->cur_anchor2 = NULL;
vector_tool->cur_stroke = NULL;
vector_tool->cur_position = 0.0;
vector_tool->cur_vectors = NULL;
vector_tool->vectors = NULL;
vector_tool->sel_count = 0;
vector_tool->sel_anchor = NULL;
vector_tool->sel_stroke = NULL;
vector_tool->saved_mode = GIMP_VECTOR_MODE_DESIGN;
}
static void
gimp_vector_tool_control (GimpTool *tool,
GimpToolAction action,
GimpDisplay *display)
{
GimpVectorTool *vector_tool = GIMP_VECTOR_TOOL (tool);
switch (action)
{
case GIMP_TOOL_ACTION_PAUSE:
case GIMP_TOOL_ACTION_RESUME:
break;
case GIMP_TOOL_ACTION_HALT:
gimp_vector_tool_set_vectors (vector_tool, NULL);
break;
}
GIMP_TOOL_CLASS (parent_class)->control (tool, action, display);
}
static gboolean
gimp_vector_tool_check_writable (GimpVectorTool *vector_tool)
{
if (gimp_item_is_content_locked (GIMP_ITEM (vector_tool->vectors)))
{
gimp_tool_message_literal (GIMP_TOOL (vector_tool),
GIMP_TOOL (vector_tool)->display,
_("The active path is locked."));
vector_tool->function = VECTORS_FINISHED;
return FALSE;
}
return TRUE;
}
static void
gimp_vector_tool_button_press (GimpTool *tool,
const GimpCoords *coords,
guint32 time,
GdkModifierType state,
GimpButtonPressType press_type,
GimpDisplay *display)
{
GimpDrawTool *draw_tool = GIMP_DRAW_TOOL (tool);
GimpVectorTool *vector_tool = GIMP_VECTOR_TOOL (tool);
GimpVectorOptions *options = GIMP_VECTOR_TOOL_GET_OPTIONS (tool);
GimpImage *image = gimp_display_get_image (display);
GimpVectors *vectors;
/* do nothing if we are an FINISHED state */
if (vector_tool->function == VECTORS_FINISHED)
return;
g_return_if_fail (vector_tool->vectors != NULL ||
vector_tool->function == VECTORS_SELECT_VECTOR ||
vector_tool->function == VECTORS_CREATE_VECTOR);
vector_tool->undo_motion = FALSE;
/* save the current modifier state */
vector_tool->saved_state = state;
gimp_draw_tool_pause (draw_tool);
if (gimp_draw_tool_is_active (draw_tool) && draw_tool->display != display)
{
gimp_draw_tool_stop (draw_tool);
}
gimp_tool_control_activate (tool->control);
tool->display = display;
/* select a vectors object */
if (vector_tool->function == VECTORS_SELECT_VECTOR)
{
if (gimp_draw_tool_on_vectors (draw_tool, display, coords, TARGET, TARGET,
NULL, NULL, NULL, NULL, NULL, &vectors))
{
gimp_vector_tool_set_vectors (vector_tool, vectors);
gimp_image_set_active_vectors (image, vectors);
}
vector_tool->function = VECTORS_FINISHED;
}
/* create a new vector from scratch */
if (vector_tool->function == VECTORS_CREATE_VECTOR)
{
vectors = gimp_vectors_new (image, _("Unnamed"));
/* Undo step gets added implicitely */
vector_tool->have_undo = TRUE;
vector_tool->undo_motion = TRUE;
gimp_image_add_vectors (image, vectors,
GIMP_IMAGE_ACTIVE_PARENT, -1, TRUE);
gimp_image_flush (image);
gimp_vector_tool_set_vectors (vector_tool, vectors);
vector_tool->function = VECTORS_CREATE_STROKE;
}
gimp_vectors_freeze (vector_tool->vectors);
/* create a new stroke */
if (vector_tool->function == VECTORS_CREATE_STROKE &&
gimp_vector_tool_check_writable (vector_tool))
{
gimp_vector_tool_undo_push (vector_tool, _("Add Stroke"));
vector_tool->cur_stroke = gimp_bezier_stroke_new ();
gimp_vectors_stroke_add (vector_tool->vectors, vector_tool->cur_stroke);
vector_tool->undo_motion = TRUE;
vector_tool->sel_stroke = vector_tool->cur_stroke;
vector_tool->cur_anchor = NULL;
vector_tool->sel_anchor = NULL;
vector_tool->function = VECTORS_ADD_ANCHOR;
}
/* add an anchor to an existing stroke */
if (vector_tool->function == VECTORS_ADD_ANCHOR &&
gimp_vector_tool_check_writable (vector_tool))
{
GimpCoords position = GIMP_COORDS_DEFAULT_VALUES;
position.x = coords->x;
position.y = coords->y;
gimp_vector_tool_undo_push (vector_tool, _("Add Anchor"));
vector_tool->undo_motion = TRUE;
vector_tool->cur_anchor =
gimp_bezier_stroke_extend (vector_tool->sel_stroke,
&position,
vector_tool->sel_anchor,
EXTEND_EDITABLE);
vector_tool->restriction = GIMP_ANCHOR_FEATURE_SYMMETRIC;
if (! options->polygonal)
vector_tool->function = VECTORS_MOVE_HANDLE;
else
vector_tool->function = VECTORS_MOVE_ANCHOR;
vector_tool->cur_stroke = vector_tool->sel_stroke;
}
/* insertion of an anchor in a curve segment */
if (vector_tool->function == VECTORS_INSERT_ANCHOR &&
gimp_vector_tool_check_writable (vector_tool))
{
gimp_vector_tool_undo_push (vector_tool, _("Insert Anchor"));
vector_tool->undo_motion = TRUE;
vector_tool->cur_anchor =
gimp_stroke_anchor_insert (vector_tool->cur_stroke,
vector_tool->cur_anchor,
vector_tool->cur_position);
if (vector_tool->cur_anchor)
{
if (options->polygonal)
{
gimp_stroke_anchor_convert (vector_tool->cur_stroke,
vector_tool->cur_anchor,
GIMP_ANCHOR_FEATURE_EDGE);
}
vector_tool->function = VECTORS_MOVE_ANCHOR;
}
else
{
vector_tool->function = VECTORS_FINISHED;
}
}
/* move a handle */
if (vector_tool->function == VECTORS_MOVE_HANDLE &&
gimp_vector_tool_check_writable (vector_tool))
{
gimp_vector_tool_undo_push (vector_tool, _("Drag Handle"));
if (vector_tool->cur_anchor->type == GIMP_ANCHOR_ANCHOR)
{
if (! vector_tool->cur_anchor->selected)
{
gimp_vectors_anchor_select (vector_tool->vectors,
vector_tool->cur_stroke,
vector_tool->cur_anchor,
TRUE, TRUE);
vector_tool->undo_motion = TRUE;
}
gimp_draw_tool_on_vectors_handle (GIMP_DRAW_TOOL (tool), display,
vector_tool->vectors, coords,
TARGET, TARGET,
GIMP_ANCHOR_CONTROL, TRUE,
&vector_tool->cur_anchor,
&vector_tool->cur_stroke);
if (! vector_tool->cur_anchor)
vector_tool->function = VECTORS_FINISHED;
}
}
/* move an anchor */
if (vector_tool->function == VECTORS_MOVE_ANCHOR &&
gimp_vector_tool_check_writable (vector_tool))
{
gimp_vector_tool_undo_push (vector_tool, _("Drag Anchor"));
if (! vector_tool->cur_anchor->selected)
{
gimp_vectors_anchor_select (vector_tool->vectors,
vector_tool->cur_stroke,
vector_tool->cur_anchor,
TRUE, TRUE);
vector_tool->undo_motion = TRUE;
}
}
/* move multiple anchors */
if (vector_tool->function == VECTORS_MOVE_ANCHORSET &&
gimp_vector_tool_check_writable (vector_tool))
{
gimp_vector_tool_undo_push (vector_tool, _("Drag Anchors"));
if (state & TOGGLE_MASK)
{
gimp_vectors_anchor_select (vector_tool->vectors,
vector_tool->cur_stroke,
vector_tool->cur_anchor,
!vector_tool->cur_anchor->selected,
FALSE);
vector_tool->undo_motion = TRUE;
if (vector_tool->cur_anchor->selected == FALSE)
vector_tool->function = VECTORS_FINISHED;
}
}
/* move a curve segment directly */
if (vector_tool->function == VECTORS_MOVE_CURVE &&
gimp_vector_tool_check_writable (vector_tool))
{
gimp_vector_tool_undo_push (vector_tool, _("Drag Curve"));
/* the magic numbers are taken from the "feel good" parameter
* from gimp_bezier_stroke_point_move_relative in gimpbezierstroke.c. */
if (vector_tool->cur_position < 5.0 / 6.0)
{
gimp_vectors_anchor_select (vector_tool->vectors,
vector_tool->cur_stroke,
vector_tool->cur_anchor, TRUE, TRUE);
vector_tool->undo_motion = TRUE;
}
if (vector_tool->cur_position > 1.0 / 6.0)
{
gimp_vectors_anchor_select (vector_tool->vectors,
vector_tool->cur_stroke,
vector_tool->cur_anchor2, TRUE,
(vector_tool->cur_position >= 5.0 / 6.0));
vector_tool->undo_motion = TRUE;
}
}
/* connect two strokes */
if (vector_tool->function == VECTORS_CONNECT_STROKES &&
gimp_vector_tool_check_writable (vector_tool))
{
gimp_vector_tool_undo_push (vector_tool, _("Connect Strokes"));
gimp_stroke_connect_stroke (vector_tool->sel_stroke,
vector_tool->sel_anchor,
vector_tool->cur_stroke,
vector_tool->cur_anchor);
vector_tool->undo_motion = TRUE;
if (vector_tool->cur_stroke != vector_tool->sel_stroke &&
gimp_stroke_is_empty (vector_tool->cur_stroke))
{
gimp_vectors_stroke_remove (vector_tool->vectors,
vector_tool->cur_stroke);
}
vector_tool->sel_anchor = vector_tool->cur_anchor;
vector_tool->cur_stroke = vector_tool->sel_stroke;
gimp_vectors_anchor_select (vector_tool->vectors,
vector_tool->sel_stroke,
vector_tool->sel_anchor, TRUE, TRUE);
vector_tool->function = VECTORS_FINISHED;
}
/* move a stroke or all strokes of a vectors object */
if ((vector_tool->function == VECTORS_MOVE_STROKE ||
vector_tool->function == VECTORS_MOVE_VECTORS) &&
gimp_vector_tool_check_writable (vector_tool))
{
gimp_vector_tool_undo_push (vector_tool, _("Drag Path"));
/* Work is being done in gimp_vector_tool_motion ()... */
}
/* convert an anchor to something that looks like an edge */
if (vector_tool->function == VECTORS_CONVERT_EDGE &&
gimp_vector_tool_check_writable (vector_tool))
{
gimp_vector_tool_undo_push (vector_tool, _("Convert Edge"));
gimp_stroke_anchor_convert (vector_tool->cur_stroke,
vector_tool->cur_anchor,
GIMP_ANCHOR_FEATURE_EDGE);
vector_tool->undo_motion = TRUE;
if (vector_tool->cur_anchor->type == GIMP_ANCHOR_ANCHOR)
{
gimp_vectors_anchor_select (vector_tool->vectors,
vector_tool->cur_stroke,
vector_tool->cur_anchor, TRUE, TRUE);
vector_tool->function = VECTORS_MOVE_ANCHOR;
}
else
{
vector_tool->cur_stroke = NULL;
vector_tool->cur_anchor = NULL;
/* avoid doing anything stupid */
vector_tool->function = VECTORS_FINISHED;
}
}
/* removal of a node in a stroke */
if (vector_tool->function == VECTORS_DELETE_ANCHOR &&
gimp_vector_tool_check_writable (vector_tool))
{
gimp_vector_tool_undo_push (vector_tool, _("Delete Anchor"));
gimp_stroke_anchor_delete (vector_tool->cur_stroke,
vector_tool->cur_anchor);
vector_tool->undo_motion = TRUE;
if (gimp_stroke_is_empty (vector_tool->cur_stroke))
gimp_vectors_stroke_remove (vector_tool->vectors,
vector_tool->cur_stroke);
vector_tool->cur_stroke = NULL;
vector_tool->cur_anchor = NULL;
vector_tool->function = VECTORS_FINISHED;
}
/* deleting a segment (opening up a stroke) */
if (vector_tool->function == VECTORS_DELETE_SEGMENT &&
gimp_vector_tool_check_writable (vector_tool))
{
GimpStroke *new_stroke;
gimp_vector_tool_undo_push (vector_tool, _("Delete Segment"));
new_stroke = gimp_stroke_open (vector_tool->cur_stroke,
vector_tool->cur_anchor);
if (new_stroke)
gimp_vectors_stroke_add (vector_tool->vectors, new_stroke);
vector_tool->undo_motion = TRUE;
vector_tool->cur_stroke = NULL;
vector_tool->cur_anchor = NULL;
vector_tool->function = VECTORS_FINISHED;
}
vector_tool->last_x = coords->x;
vector_tool->last_y = coords->y;
gimp_vectors_thaw (vector_tool->vectors);
if (! gimp_draw_tool_is_active (draw_tool))
{
gimp_draw_tool_start (draw_tool, display);
}
gimp_draw_tool_resume (draw_tool);
}
static void
gimp_vector_tool_button_release (GimpTool *tool,
const GimpCoords *coords,
guint32 time,
GdkModifierType state,
GimpButtonReleaseType release_type,
GimpDisplay *display)
{
GimpVectorTool *vector_tool = GIMP_VECTOR_TOOL (tool);
GimpImage *image = gimp_display_get_image (display);
vector_tool->function = VECTORS_FINISHED;
if (vector_tool->have_undo &&
(! vector_tool->undo_motion ||
(release_type == GIMP_BUTTON_RELEASE_CANCEL)))
{
GimpUndo *undo;
GimpUndoAccumulator accum = { 0, };
undo = gimp_undo_stack_pop_undo (gimp_image_get_undo_stack (image),
GIMP_UNDO_MODE_UNDO, &accum);
gimp_image_undo_event (image, GIMP_UNDO_EVENT_UNDO_EXPIRED, undo);
gimp_undo_free (undo, GIMP_UNDO_MODE_UNDO);
g_object_unref (undo);
}
vector_tool->have_undo = FALSE;
vector_tool->undo_motion = FALSE;
gimp_tool_control_halt (tool->control);
gimp_image_flush (image);
}
static void
gimp_vector_tool_motion (GimpTool *tool,
const GimpCoords *coords,
guint32 time,
GdkModifierType state,
GimpDisplay *display)
{
GimpVectorTool *vector_tool = GIMP_VECTOR_TOOL (tool);
GimpVectorOptions *options = GIMP_VECTOR_TOOL_GET_OPTIONS (tool);
GimpCoords position = GIMP_COORDS_DEFAULT_VALUES;
GimpAnchor *anchor;
if (vector_tool->function == VECTORS_FINISHED)
return;
position.x = coords->x;
position.y = coords->y;
gimp_vectors_freeze (vector_tool->vectors);
if ((vector_tool->saved_state & TOGGLE_MASK) != (state & TOGGLE_MASK))
vector_tool->modifier_lock = FALSE;
if (!vector_tool->modifier_lock)
{
if (state & TOGGLE_MASK)
{
vector_tool->restriction = GIMP_ANCHOR_FEATURE_SYMMETRIC;
}
else
{
vector_tool->restriction = GIMP_ANCHOR_FEATURE_NONE;
}
}
switch (vector_tool->function)
{
case VECTORS_MOVE_ANCHOR:
case VECTORS_MOVE_HANDLE:
anchor = vector_tool->cur_anchor;
if (anchor)
{
gimp_stroke_anchor_move_absolute (vector_tool->cur_stroke,
vector_tool->cur_anchor,
&position,
vector_tool->restriction);
vector_tool->undo_motion = TRUE;
}
break;
case VECTORS_MOVE_CURVE:
if (options->polygonal)
{
gimp_vector_tool_move_selected_anchors (vector_tool,
coords->x - vector_tool->last_x,
coords->y - vector_tool->last_y);
vector_tool->undo_motion = TRUE;
}
else
{
gimp_stroke_point_move_absolute (vector_tool->cur_stroke,
vector_tool->cur_anchor,
vector_tool->cur_position,
&position,
vector_tool->restriction);
vector_tool->undo_motion = TRUE;
}
break;
case VECTORS_MOVE_ANCHORSET:
gimp_vector_tool_move_selected_anchors (vector_tool,
coords->x - vector_tool->last_x,
coords->y - vector_tool->last_y);
vector_tool->undo_motion = TRUE;
break;
case VECTORS_MOVE_STROKE:
if (vector_tool->cur_stroke)
{
gimp_stroke_translate (vector_tool->cur_stroke,
coords->x - vector_tool->last_x,
coords->y - vector_tool->last_y);
vector_tool->undo_motion = TRUE;
}
else if (vector_tool->sel_stroke)
{
gimp_stroke_translate (vector_tool->sel_stroke,
coords->x - vector_tool->last_x,
coords->y - vector_tool->last_y);
vector_tool->undo_motion = TRUE;
}
break;
case VECTORS_MOVE_VECTORS:
gimp_item_translate (GIMP_ITEM (vector_tool->vectors),
coords->x - vector_tool->last_x,
coords->y - vector_tool->last_y, FALSE);
vector_tool->undo_motion = TRUE;
break;
default:
break;
}
vector_tool->last_x = coords->x;
vector_tool->last_y = coords->y;
gimp_vectors_thaw (vector_tool->vectors);
}
static gboolean
gimp_vector_tool_key_press (GimpTool *tool,
GdkEventKey *kevent,
GimpDisplay *display)
{
GimpVectorTool *vector_tool = GIMP_VECTOR_TOOL (tool);
GimpDrawTool *draw_tool = GIMP_DRAW_TOOL (tool);
GimpVectorOptions *options = GIMP_VECTOR_TOOL_GET_OPTIONS (tool);
GimpDisplayShell *shell;
gdouble xdist, ydist;
gdouble pixels = 1.0;
if (! vector_tool->vectors)
return FALSE;
if (display != draw_tool->display)
return FALSE;
shell = gimp_display_get_shell (draw_tool->display);
if (kevent->state & GDK_SHIFT_MASK)
pixels = 10.0;
if (kevent->state & GDK_CONTROL_MASK)
pixels = 50.0;
switch (kevent->keyval)
{
case GDK_Return:
case GDK_KP_Enter:
case GDK_ISO_Enter:
gimp_vector_tool_to_selection_extended (vector_tool, kevent->state);
break;
case GDK_BackSpace:
case GDK_Delete:
gimp_vector_tool_delete_selected_anchors (vector_tool);
break;
case GDK_Left:
case GDK_Right:
case GDK_Up:
case GDK_Down:
xdist = FUNSCALEX (shell, pixels);
ydist = FUNSCALEY (shell, pixels);
gimp_vector_tool_undo_push (vector_tool, _("Move Anchors"));
gimp_vectors_freeze (vector_tool->vectors);
switch (kevent->keyval)
{
case GDK_Left:
gimp_vector_tool_move_selected_anchors (vector_tool, -xdist, 0);
break;
case GDK_Right:
gimp_vector_tool_move_selected_anchors (vector_tool, xdist, 0);
break;
case GDK_Up:
gimp_vector_tool_move_selected_anchors (vector_tool, 0, -ydist);
break;
case GDK_Down:
gimp_vector_tool_move_selected_anchors (vector_tool, 0, ydist);
break;
default:
break;
}
gimp_vectors_thaw (vector_tool->vectors);
vector_tool->have_undo = FALSE;
break;
case GDK_Escape:
if (options->edit_mode != GIMP_VECTOR_MODE_DESIGN)
g_object_set (options, "vectors-edit-mode",
GIMP_VECTOR_MODE_DESIGN, NULL);
break;
default:
return FALSE;
}
gimp_image_flush (gimp_display_get_image (display));
return TRUE;
}
static void
gimp_vector_tool_modifier_key (GimpTool *tool,
GdkModifierType key,
gboolean press,
GdkModifierType state,
GimpDisplay *display)
{
GimpVectorTool *vector_tool = GIMP_VECTOR_TOOL (tool);
GimpVectorOptions *options = GIMP_VECTOR_TOOL_GET_OPTIONS (tool);
if (key == TOGGLE_MASK)
return;
if (key == INSDEL_MASK || key == MOVE_MASK)
{
GimpVectorMode button_mode = options->edit_mode;
if (press)
{
if (key == (state & (INSDEL_MASK | MOVE_MASK)))
{
/* first modifier pressed */
vector_tool->saved_mode = options->edit_mode;
}
}
else
{
if (! (state & (INSDEL_MASK | MOVE_MASK)))
{
/* last modifier released */
button_mode = vector_tool->saved_mode;
}
}
if (state & MOVE_MASK)
{
button_mode = GIMP_VECTOR_MODE_MOVE;
}
else if (state & INSDEL_MASK)
{
button_mode = GIMP_VECTOR_MODE_EDIT;
}
if (button_mode != options->edit_mode)
{
g_object_set (options, "vectors-edit-mode", button_mode, NULL);
}
}
}
static void
gimp_vector_tool_oper_update (GimpTool *tool,
const GimpCoords *coords,
GdkModifierType state,
gboolean proximity,
GimpDisplay *display)
{
GimpVectorTool *vector_tool = GIMP_VECTOR_TOOL (tool);
GimpDrawTool *draw_tool = GIMP_DRAW_TOOL (tool);
GimpVectorOptions *options = GIMP_VECTOR_TOOL_GET_OPTIONS (tool);
GimpAnchor *anchor = NULL;
GimpAnchor *anchor2 = NULL;
GimpStroke *stroke = NULL;
gdouble position = -1;
gboolean on_handle = FALSE;
gboolean on_curve = FALSE;
gboolean on_vectors = FALSE;
vector_tool->modifier_lock = FALSE;
/* are we hovering the current vectors on the current display? */
if (vector_tool->vectors && GIMP_DRAW_TOOL (tool)->display == display)
{
on_handle = gimp_draw_tool_on_vectors_handle (GIMP_DRAW_TOOL (tool),
display,
vector_tool->vectors,
coords,
TARGET, TARGET,
GIMP_ANCHOR_ANCHOR,
vector_tool->sel_count > 2,
&anchor, &stroke);
if (! on_handle)
on_curve = gimp_draw_tool_on_vectors_curve (GIMP_DRAW_TOOL (tool),
display,
vector_tool->vectors,
coords,
TARGET, TARGET,
NULL,
&position, &anchor,
&anchor2, &stroke);
}
if (on_handle || on_curve)
{
vector_tool->cur_vectors = NULL;
}
else
{
on_vectors = gimp_draw_tool_on_vectors (draw_tool, display, coords,
TARGET, TARGET,
NULL, NULL, NULL, NULL, NULL,
&(vector_tool->cur_vectors));
}
vector_tool->cur_position = position;
vector_tool->cur_anchor = anchor;
vector_tool->cur_anchor2 = anchor2;
vector_tool->cur_stroke = stroke;
switch (options->edit_mode)
{
case GIMP_VECTOR_MODE_DESIGN:
if (! vector_tool->vectors || GIMP_DRAW_TOOL (tool)->display != display)
{
if (on_vectors)
{
vector_tool->function = VECTORS_SELECT_VECTOR;
}
else
{
vector_tool->function = VECTORS_CREATE_VECTOR;
vector_tool->restriction = GIMP_ANCHOR_FEATURE_SYMMETRIC;
vector_tool->modifier_lock = TRUE;
}
}
else if (on_handle)
{
if (anchor->type == GIMP_ANCHOR_ANCHOR)
{
if (state & TOGGLE_MASK)
{
vector_tool->function = VECTORS_MOVE_ANCHORSET;
}
else
{
if (vector_tool->sel_count >= 2 && anchor->selected)
vector_tool->function = VECTORS_MOVE_ANCHORSET;
else
vector_tool->function = VECTORS_MOVE_ANCHOR;
}
}
else
{
vector_tool->function = VECTORS_MOVE_HANDLE;
if (state & TOGGLE_MASK)
vector_tool->restriction = GIMP_ANCHOR_FEATURE_SYMMETRIC;
else
vector_tool->restriction = GIMP_ANCHOR_FEATURE_NONE;
}
}
else if (on_curve)
{
if (gimp_stroke_point_is_movable (stroke, anchor, position))
{
vector_tool->function = VECTORS_MOVE_CURVE;
if (state & TOGGLE_MASK)
vector_tool->restriction = GIMP_ANCHOR_FEATURE_SYMMETRIC;
else
vector_tool->restriction = GIMP_ANCHOR_FEATURE_NONE;
}
else
{
vector_tool->function = VECTORS_FINISHED;
}
}
else
{
if (vector_tool->sel_stroke && vector_tool->sel_anchor &&
gimp_stroke_is_extendable (vector_tool->sel_stroke,
vector_tool->sel_anchor) &&
!(state & TOGGLE_MASK))
vector_tool->function = VECTORS_ADD_ANCHOR;
else
vector_tool->function = VECTORS_CREATE_STROKE;
vector_tool->restriction = GIMP_ANCHOR_FEATURE_SYMMETRIC;
vector_tool->modifier_lock = TRUE;
}
break;
case GIMP_VECTOR_MODE_EDIT:
if (! vector_tool->vectors || GIMP_DRAW_TOOL (tool)->display != display)
{
if (on_vectors)
{
vector_tool->function = VECTORS_SELECT_VECTOR;
}
else
{
vector_tool->function = VECTORS_FINISHED;
}
}
else if (on_handle)
{
if (anchor->type == GIMP_ANCHOR_ANCHOR)
{
if (!(state & TOGGLE_MASK) && vector_tool->sel_anchor &&
vector_tool->sel_anchor != anchor &&
gimp_stroke_is_extendable (vector_tool->sel_stroke,
vector_tool->sel_anchor) &&
gimp_stroke_is_extendable (stroke, anchor))
{
vector_tool->function = VECTORS_CONNECT_STROKES;
}
else
{
if (state & TOGGLE_MASK)
{
vector_tool->function = VECTORS_DELETE_ANCHOR;
}
else
{
if (options->polygonal)
vector_tool->function = VECTORS_MOVE_ANCHOR;
else
vector_tool->function = VECTORS_MOVE_HANDLE;
}
}
}
else
{
if (state & TOGGLE_MASK)
vector_tool->function = VECTORS_CONVERT_EDGE;
else
vector_tool->function = VECTORS_MOVE_HANDLE;
}
}
else if (on_curve)
{
if (state & TOGGLE_MASK)
{
vector_tool->function = VECTORS_DELETE_SEGMENT;
}
else if (gimp_stroke_anchor_is_insertable (stroke, anchor, position))
{
vector_tool->function = VECTORS_INSERT_ANCHOR;
}
else
{
vector_tool->function = VECTORS_FINISHED;
}
}
else
{
vector_tool->function = VECTORS_FINISHED;
}
break;
case GIMP_VECTOR_MODE_MOVE:
if (! vector_tool->vectors || GIMP_DRAW_TOOL (tool)->display != display)
{
if (on_vectors)
{
vector_tool->function = VECTORS_SELECT_VECTOR;
}
else
{
vector_tool->function = VECTORS_FINISHED;
}
}
else if (on_handle || on_curve)
{
if (state & TOGGLE_MASK)
{
vector_tool->function = VECTORS_MOVE_VECTORS;
}
else
{
vector_tool->function = VECTORS_MOVE_STROKE;
}
}
else
{
if (on_vectors)
{
vector_tool->function = VECTORS_SELECT_VECTOR;
}
else
{
vector_tool->function = VECTORS_MOVE_VECTORS;
}
}
break;
}
gimp_vector_tool_status_update (tool, display, state, proximity);
}
static void
gimp_vector_tool_status_update (GimpTool *tool,
GimpDisplay *display,
GdkModifierType state,
gboolean proximity)
{
GimpVectorTool *vector_tool = GIMP_VECTOR_TOOL (tool);
GimpVectorOptions *options = GIMP_VECTOR_TOOL_GET_OPTIONS (tool);
gimp_tool_pop_status (tool, display);
if (proximity)
{
const gchar *status = NULL;
gboolean free_status = FALSE;
switch (vector_tool->function)
{
case VECTORS_SELECT_VECTOR:
status = _("Click to pick path to edit");
break;
case VECTORS_CREATE_VECTOR:
status = _("Click to create a new path");
break;
case VECTORS_CREATE_STROKE:
status = _("Click to create a new component of the path");
break;
case VECTORS_ADD_ANCHOR:
status = gimp_suggest_modifiers (_("Click or Click-Drag to create "
"a new anchor"),
GDK_SHIFT_MASK & ~state,
NULL, NULL, NULL);
free_status = TRUE;
break;
case VECTORS_MOVE_ANCHOR:
if (options->edit_mode != GIMP_VECTOR_MODE_EDIT)
{
status = gimp_suggest_modifiers (_("Click-Drag to move the "
"anchor around"),
GDK_CONTROL_MASK & ~state,
NULL, NULL, NULL);
free_status = TRUE;
}
else
status = _("Click-Drag to move the anchor around");
break;
case VECTORS_MOVE_ANCHORSET:
status = _("Click-Drag to move the anchors around");
break;
case VECTORS_MOVE_HANDLE:
if (vector_tool->restriction != GIMP_ANCHOR_FEATURE_SYMMETRIC)
{
status = gimp_suggest_modifiers (_("Click-Drag to move the "
"handle around"),
GDK_SHIFT_MASK & ~state,
NULL, NULL, NULL);
}
else
{
status = gimp_suggest_modifiers (_("Click-Drag to move the "
"handles around symmetrically"),
GDK_SHIFT_MASK & ~state,
NULL, NULL, NULL);
}
free_status = TRUE;
break;
case VECTORS_MOVE_CURVE:
if (GIMP_VECTOR_TOOL_GET_OPTIONS (tool)->polygonal)
status = gimp_suggest_modifiers (_("Click-Drag to move the "
"anchors around"),
GDK_SHIFT_MASK & ~state,
NULL, NULL, NULL);
else
status = gimp_suggest_modifiers (_("Click-Drag to change the "
"shape of the curve"),
GDK_SHIFT_MASK & ~state,
_("%s: symmetrical"), NULL, NULL);
free_status = TRUE;
break;
case VECTORS_MOVE_STROKE:
status = gimp_suggest_modifiers (_("Click-Drag to move the "
"component around"),
GDK_SHIFT_MASK & ~state,
NULL, NULL, NULL);
free_status = TRUE;
break;
case VECTORS_MOVE_VECTORS:
status = _("Click-Drag to move the path around");
break;
case VECTORS_INSERT_ANCHOR:
status = gimp_suggest_modifiers (_("Click-Drag to insert an anchor "
"on the path"),
GDK_SHIFT_MASK & ~state,
NULL, NULL, NULL);
free_status = TRUE;
break;
case VECTORS_DELETE_ANCHOR:
status = _("Click to delete this anchor");
break;
case VECTORS_CONNECT_STROKES:
status = _("Click to connect this anchor "
"with the selected endpoint");
break;
case VECTORS_DELETE_SEGMENT:
status = _("Click to open up the path");
break;
case VECTORS_CONVERT_EDGE:
status = _("Click to make this node angular");
break;
case VECTORS_FINISHED:
status = NULL;
break;
}
if (status)
gimp_tool_push_status (tool, display, "%s", status);
if (free_status)
g_free ((gchar *) status);
}
}
static void
gimp_vector_tool_cursor_update (GimpTool *tool,
const GimpCoords *coords,
GdkModifierType state,
GimpDisplay *display)
{
GimpVectorTool *vector_tool = GIMP_VECTOR_TOOL (tool);
GimpToolCursorType tool_cursor = GIMP_TOOL_CURSOR_PATHS;
GimpCursorModifier modifier = GIMP_CURSOR_MODIFIER_NONE;
switch (vector_tool->function)
{
case VECTORS_SELECT_VECTOR:
tool_cursor = GIMP_TOOL_CURSOR_HAND;
break;
case VECTORS_CREATE_VECTOR:
case VECTORS_CREATE_STROKE:
modifier = GIMP_CURSOR_MODIFIER_CONTROL;
break;
case VECTORS_ADD_ANCHOR:
case VECTORS_INSERT_ANCHOR:
tool_cursor = GIMP_TOOL_CURSOR_PATHS_ANCHOR;
modifier = GIMP_CURSOR_MODIFIER_PLUS;
break;
case VECTORS_DELETE_ANCHOR:
tool_cursor = GIMP_TOOL_CURSOR_PATHS_ANCHOR;
modifier = GIMP_CURSOR_MODIFIER_MINUS;
break;
case VECTORS_DELETE_SEGMENT:
tool_cursor = GIMP_TOOL_CURSOR_PATHS_SEGMENT;
modifier = GIMP_CURSOR_MODIFIER_MINUS;
break;
case VECTORS_MOVE_HANDLE:
tool_cursor = GIMP_TOOL_CURSOR_PATHS_CONTROL;
modifier = GIMP_CURSOR_MODIFIER_MOVE;
break;
case VECTORS_CONVERT_EDGE:
tool_cursor = GIMP_TOOL_CURSOR_PATHS_CONTROL;
modifier = GIMP_CURSOR_MODIFIER_MINUS;
break;
case VECTORS_MOVE_ANCHOR:
tool_cursor = GIMP_TOOL_CURSOR_PATHS_ANCHOR;
modifier = GIMP_CURSOR_MODIFIER_MOVE;
break;
case VECTORS_MOVE_CURVE:
tool_cursor = GIMP_TOOL_CURSOR_PATHS_SEGMENT;
modifier = GIMP_CURSOR_MODIFIER_MOVE;
break;
case VECTORS_MOVE_STROKE:
case VECTORS_MOVE_VECTORS:
modifier = GIMP_CURSOR_MODIFIER_MOVE;
break;
case VECTORS_MOVE_ANCHORSET:
tool_cursor = GIMP_TOOL_CURSOR_PATHS_ANCHOR;
modifier = GIMP_CURSOR_MODIFIER_MOVE;
break;
case VECTORS_CONNECT_STROKES:
tool_cursor = GIMP_TOOL_CURSOR_PATHS_SEGMENT;
modifier = GIMP_CURSOR_MODIFIER_JOIN;
break;
default:
modifier = GIMP_CURSOR_MODIFIER_BAD;
break;
}
gimp_tool_control_set_tool_cursor (tool->control, tool_cursor);
gimp_tool_control_set_cursor_modifier (tool->control, modifier);
GIMP_TOOL_CLASS (parent_class)->cursor_update (tool, coords, state, display);
}
static void
gimp_vector_tool_draw (GimpDrawTool *draw_tool)
{
GimpVectorTool *vector_tool = GIMP_VECTOR_TOOL (draw_tool);
GimpAnchor *cur_anchor = NULL;
GimpStroke *cur_stroke = NULL;
GimpVectors *vectors;
GArray *coords;
gboolean closed;
GList *draw_anchors;
GList *list;
vectors = vector_tool->vectors;
if (!vectors)
return;
while ((cur_stroke = gimp_vectors_stroke_get_next (vectors, cur_stroke)))
{
/* anchor handles */
draw_anchors = gimp_stroke_get_draw_anchors (cur_stroke);
for (list = draw_anchors; list; list = g_list_next (list))
{
cur_anchor = GIMP_ANCHOR (list->data);
if (cur_anchor->type == GIMP_ANCHOR_ANCHOR)
{
gimp_draw_tool_draw_handle (draw_tool,
cur_anchor->selected ?
GIMP_HANDLE_CIRCLE :
GIMP_HANDLE_FILLED_CIRCLE,
cur_anchor->position.x,
cur_anchor->position.y,
TARGET,
TARGET,
GTK_ANCHOR_CENTER,
FALSE);
}
}
g_list_free (draw_anchors);
if (vector_tool->sel_count <= 2)
{
/* control handles */
draw_anchors = gimp_stroke_get_draw_controls (cur_stroke);
for (list = draw_anchors; list; list = g_list_next (list))
{
cur_anchor = GIMP_ANCHOR (list->data);
gimp_draw_tool_draw_handle (draw_tool,
GIMP_HANDLE_SQUARE,
cur_anchor->position.x,
cur_anchor->position.y,
TARGET - 3,
TARGET - 3,
GTK_ANCHOR_CENTER,
FALSE);
}
g_list_free (draw_anchors);
/* the lines to the control handles */
coords = gimp_stroke_get_draw_lines (cur_stroke);
if (coords)
{
if (coords->len % 2 == 0)
{
gint i;
for (i = 0; i < coords->len; i += 2)
{
gimp_draw_tool_draw_dashed_line (draw_tool,
g_array_index (coords, GimpCoords, i).x,
g_array_index (coords, GimpCoords, i).y,
g_array_index (coords, GimpCoords, i + 1).x,
g_array_index (coords, GimpCoords, i + 1).y,
FALSE);
}
}
g_array_free (coords, TRUE);
}
}
/* the stroke itself */
if (! gimp_item_get_visible (GIMP_ITEM (vectors)))
{
coords = gimp_stroke_interpolate (cur_stroke, 1.0, &closed);
if (coords)
{
if (coords->len)
gimp_draw_tool_draw_strokes (draw_tool,
&g_array_index (coords,
GimpCoords, 0),
coords->len, FALSE, FALSE);
g_array_free (coords, TRUE);
}
}
}
}
static void
gimp_vector_tool_vectors_changed (GimpImage *image,
GimpVectorTool *vector_tool)
{
gimp_vector_tool_set_vectors (vector_tool,
gimp_image_get_active_vectors (image));
}
static void
gimp_vector_tool_vectors_removed (GimpVectors *vectors,
GimpVectorTool *vector_tool)
{
gimp_vector_tool_set_vectors (vector_tool, NULL);
}
static void
gimp_vector_tool_vectors_visible (GimpVectors *vectors,
GimpVectorTool *vector_tool)
{
GimpDrawTool *draw_tool = GIMP_DRAW_TOOL (vector_tool);
if (gimp_draw_tool_is_active (draw_tool) && draw_tool->paused_count == 0)
{
GimpStroke *stroke = NULL;
while ((stroke = gimp_vectors_stroke_get_next (vectors, stroke)))
{
GArray *coords;
gboolean closed;
coords = gimp_stroke_interpolate (stroke, 1.0, &closed);
if (coords)
{
if (coords->len)
gimp_draw_tool_draw_strokes (draw_tool,
&g_array_index (coords,
GimpCoords, 0),
coords->len, FALSE, FALSE);
g_array_free (coords, TRUE);
}
}
}
}
static void
gimp_vector_tool_vectors_freeze (GimpVectors *vectors,
GimpVectorTool *vector_tool)
{
gimp_draw_tool_pause (GIMP_DRAW_TOOL (vector_tool));
}
static void
gimp_vector_tool_vectors_thaw (GimpVectors *vectors,
GimpVectorTool *vector_tool)
{
/* Ok, the vector might have changed externally (e.g. Undo)
* we need to validate our internal state. */
gimp_vector_tool_verify_state (vector_tool);
gimp_draw_tool_resume (GIMP_DRAW_TOOL (vector_tool));
}
void
gimp_vector_tool_set_vectors (GimpVectorTool *vector_tool,
GimpVectors *vectors)
{
GimpDrawTool *draw_tool;
GimpTool *tool;
GimpItem *item = NULL;
GimpVectorOptions *options;
g_return_if_fail (GIMP_IS_VECTOR_TOOL (vector_tool));
g_return_if_fail (vectors == NULL || GIMP_IS_VECTORS (vectors));
draw_tool = GIMP_DRAW_TOOL (vector_tool);
tool = GIMP_TOOL (vector_tool);
options = GIMP_VECTOR_TOOL_GET_OPTIONS (vector_tool);
if (vectors)
item = GIMP_ITEM (vectors);
if (vectors == vector_tool->vectors)
return;
gimp_draw_tool_pause (draw_tool);
if (gimp_draw_tool_is_active (draw_tool) &&
(! vectors ||
gimp_display_get_image (draw_tool->display) != gimp_item_get_image (item)))
{
gimp_draw_tool_stop (draw_tool);
}
if (vector_tool->vectors)
{
GimpImage *old_image;
old_image = gimp_item_get_image (GIMP_ITEM (vector_tool->vectors));
g_signal_handlers_disconnect_by_func (old_image,
gimp_vector_tool_vectors_changed,
vector_tool);
g_signal_handlers_disconnect_by_func (vector_tool->vectors,
gimp_vector_tool_vectors_removed,
vector_tool);
g_signal_handlers_disconnect_by_func (vector_tool->vectors,
gimp_vector_tool_vectors_visible,
vector_tool);
g_signal_handlers_disconnect_by_func (vector_tool->vectors,
gimp_vector_tool_vectors_freeze,
vector_tool);
g_signal_handlers_disconnect_by_func (vector_tool->vectors,
gimp_vector_tool_vectors_thaw,
vector_tool);
g_object_unref (vector_tool->vectors);
if (options->to_selection_button)
{
gtk_widget_set_sensitive (options->to_selection_button, FALSE);
g_signal_handlers_disconnect_by_func (options->to_selection_button,
gimp_vector_tool_to_selection,
tool);
g_signal_handlers_disconnect_by_func (options->to_selection_button,
gimp_vector_tool_to_selection_extended,
tool);
}
if (options->stroke_button)
{
gtk_widget_set_sensitive (options->stroke_button, FALSE);
g_signal_handlers_disconnect_by_func (options->stroke_button,
gimp_vector_tool_stroke_vectors,
tool);
}
}
vector_tool->vectors = vectors;
vector_tool->function = VECTORS_FINISHED;
gimp_vector_tool_verify_state (vector_tool);
if (! vector_tool->vectors)
{
tool->display = NULL;
/* leave draw_tool->paused_count in a consistent state */
gimp_draw_tool_resume (draw_tool);
vector_tool->function = VECTORS_CREATE_VECTOR;
return;
}
g_object_ref (vectors);
g_signal_connect_object (gimp_item_get_image (item), "active-vectors-changed",
G_CALLBACK (gimp_vector_tool_vectors_changed),
vector_tool, 0);
g_signal_connect_object (vectors, "removed",
G_CALLBACK (gimp_vector_tool_vectors_removed),
vector_tool, 0);
g_signal_connect_object (vectors, "visibility-changed",
G_CALLBACK (gimp_vector_tool_vectors_visible),
vector_tool, 0);
g_signal_connect_object (vectors, "freeze",
G_CALLBACK (gimp_vector_tool_vectors_freeze),
vector_tool, 0);
g_signal_connect_object (vectors, "thaw",
G_CALLBACK (gimp_vector_tool_vectors_thaw),
vector_tool, 0);
if (options->to_selection_button)
{
g_signal_connect_swapped (options->to_selection_button, "clicked",
G_CALLBACK (gimp_vector_tool_to_selection),
tool);
g_signal_connect_swapped (options->to_selection_button, "extended-clicked",
G_CALLBACK (gimp_vector_tool_to_selection_extended),
tool);
gtk_widget_set_sensitive (options->to_selection_button, TRUE);
}
if (options->stroke_button)
{
g_signal_connect_swapped (options->stroke_button, "clicked",
G_CALLBACK (gimp_vector_tool_stroke_vectors),
tool);
gtk_widget_set_sensitive (options->stroke_button, TRUE);
}
if (! gimp_draw_tool_is_active (draw_tool))
{
if (tool->display &&
gimp_display_get_image (tool->display) == gimp_item_get_image (item))
{
gimp_draw_tool_start (draw_tool, tool->display);
}
else
{
GimpContext *context;
GimpDisplay *display;
context = gimp_get_user_context (tool->tool_info->gimp);
display = gimp_context_get_display (context);
if (! display ||
gimp_display_get_image (display) != gimp_item_get_image (item))
{
GList *list;
display = NULL;
for (list = gimp_get_display_iter (gimp_item_get_image (item)->gimp);
list;
list = g_list_next (list))
{
display = list->data;
if (gimp_display_get_image (display) == gimp_item_get_image (item))
{
gimp_context_set_display (context, display);
break;
}
display = NULL;
}
}
tool->display = display;
if (tool->display)
gimp_draw_tool_start (draw_tool, tool->display);
}
}
gimp_draw_tool_resume (draw_tool);
if (options->edit_mode != GIMP_VECTOR_MODE_DESIGN)
g_object_set (options, "vectors-edit-mode",
GIMP_VECTOR_MODE_DESIGN, NULL);
}
static void
gimp_vector_tool_move_selected_anchors (GimpVectorTool *vector_tool,
gdouble x,
gdouble y)
{
GimpAnchor *cur_anchor;
GimpStroke *cur_stroke = NULL;
GList *anchors;
GList *list;
GimpCoords offset = { 0.0, };
offset.x = x;
offset.y = y;
while ((cur_stroke = gimp_vectors_stroke_get_next (vector_tool->vectors,
cur_stroke)))
{
/* anchors */
anchors = gimp_stroke_get_draw_anchors (cur_stroke);
for (list = anchors; list; list = g_list_next (list))
{
cur_anchor = GIMP_ANCHOR (list->data);
if (cur_anchor->selected)
gimp_stroke_anchor_move_relative (cur_stroke,
cur_anchor,
&offset,
GIMP_ANCHOR_FEATURE_NONE);
}
g_list_free (anchors);
}
}
static void
gimp_vector_tool_delete_selected_anchors (GimpVectorTool *vector_tool)
{
GimpAnchor *cur_anchor;
GimpStroke *cur_stroke = NULL;
GList *anchors;
GList *list;
gboolean have_undo = FALSE;
gimp_draw_tool_pause (GIMP_DRAW_TOOL (vector_tool));
gimp_vectors_freeze (vector_tool->vectors);
while ((cur_stroke = gimp_vectors_stroke_get_next (vector_tool->vectors,
cur_stroke)))
{
/* anchors */
anchors = gimp_stroke_get_draw_anchors (cur_stroke);
for (list = anchors; list; list = g_list_next (list))
{
cur_anchor = GIMP_ANCHOR (list->data);
if (cur_anchor->selected)
{
if (! have_undo)
{
gimp_vector_tool_undo_push (vector_tool, _("Delete Anchors"));
have_undo = TRUE;
}
gimp_stroke_anchor_delete (cur_stroke, cur_anchor);
if (gimp_stroke_is_empty (cur_stroke))
{
gimp_vectors_stroke_remove (vector_tool->vectors, cur_stroke);
cur_stroke = NULL;
}
}
}
g_list_free (anchors);
}
gimp_vectors_thaw (vector_tool->vectors);
gimp_draw_tool_resume (GIMP_DRAW_TOOL (vector_tool));
}
static void
gimp_vector_tool_verify_state (GimpVectorTool *vector_tool)
{
GimpStroke *cur_stroke = NULL;
GimpAnchor *cur_anchor;
GList *anchors;
GList *list;
gboolean cur_anchor_valid;
gboolean cur_stroke_valid;
cur_anchor_valid = FALSE;
cur_stroke_valid = FALSE;
vector_tool->sel_count = 0;
vector_tool->sel_anchor = NULL;
vector_tool->sel_stroke = NULL;
if (! vector_tool->vectors)
{
vector_tool->cur_position = -1;
vector_tool->cur_anchor = NULL;
vector_tool->cur_stroke = NULL;
return;
}
while ((cur_stroke = gimp_vectors_stroke_get_next (vector_tool->vectors,
cur_stroke)))
{
/* anchor handles */
anchors = gimp_stroke_get_draw_anchors (cur_stroke);
if (cur_stroke == vector_tool->cur_stroke)
cur_stroke_valid = TRUE;
for (list = anchors; list; list = g_list_next (list))
{
cur_anchor = GIMP_ANCHOR (list->data);
if (cur_anchor == vector_tool->cur_anchor)
cur_anchor_valid = TRUE;
if (cur_anchor->type == GIMP_ANCHOR_ANCHOR &&
cur_anchor->selected)
{
vector_tool->sel_count++;
if (vector_tool->sel_count == 1)
{
vector_tool->sel_anchor = cur_anchor;
vector_tool->sel_stroke = cur_stroke;
}
else
{
vector_tool->sel_anchor = NULL;
vector_tool->sel_stroke = NULL;
}
}
}
anchors = gimp_stroke_get_draw_controls (cur_stroke);
for (list = anchors; list; list = g_list_next (list))
{
cur_anchor = GIMP_ANCHOR (list->data);
if (cur_anchor == vector_tool->cur_anchor)
cur_anchor_valid = TRUE;
}
}
if (! cur_stroke_valid)
vector_tool->cur_stroke = NULL;
if (! cur_anchor_valid)
vector_tool->cur_anchor = NULL;
}
static void
gimp_vector_tool_undo_push (GimpVectorTool *vector_tool,
const gchar *desc)
{
g_return_if_fail (vector_tool->vectors != NULL);
/* don't push two undos */
if (vector_tool->have_undo)
return;
gimp_image_undo_push_vectors_mod (gimp_item_get_image (GIMP_ITEM (vector_tool->vectors)),
desc, vector_tool->vectors);
vector_tool->have_undo = TRUE;
}
static void
gimp_vector_tool_to_selection (GimpVectorTool *vector_tool)
{
gimp_vector_tool_to_selection_extended (vector_tool, 0);
}
static void
gimp_vector_tool_to_selection_extended (GimpVectorTool *vector_tool,
gint state)
{
GimpImage *image;
GimpChannelOps operation = GIMP_CHANNEL_OP_REPLACE;
if (! vector_tool->vectors)
return;
image = gimp_item_get_image (GIMP_ITEM (vector_tool->vectors));
if (state & GDK_SHIFT_MASK)
{
if (state & GDK_CONTROL_MASK)
operation = GIMP_CHANNEL_OP_INTERSECT;
else
operation = GIMP_CHANNEL_OP_ADD;
}
else if (state & GDK_CONTROL_MASK)
{
operation = GIMP_CHANNEL_OP_SUBTRACT;
}
gimp_channel_select_vectors (gimp_image_get_mask (image),
_("Path to selection"),
vector_tool->vectors,
operation,
TRUE, FALSE, 0, 0, TRUE);
gimp_image_flush (image);
}
static void
gimp_vector_tool_stroke_vectors (GimpVectorTool *vector_tool,
GtkWidget *button)
{
GimpImage *image;
GimpDrawable *active_drawable;
GtkWidget *dialog;
if (! vector_tool->vectors)
return;
image = gimp_item_get_image (GIMP_ITEM (vector_tool->vectors));
active_drawable = gimp_image_get_active_drawable (image);
if (! active_drawable)
{
gimp_tool_message (GIMP_TOOL (vector_tool),
GIMP_TOOL (vector_tool)->display,
_("There is no active layer or channel to stroke to"));
return;
}
dialog = stroke_dialog_new (GIMP_ITEM (vector_tool->vectors),
GIMP_CONTEXT (GIMP_TOOL_GET_OPTIONS (vector_tool)),
_("Stroke Path"),
GIMP_STOCK_PATH_STROKE,
GIMP_HELP_PATH_STROKE,
button);
gtk_widget_show (dialog);
}
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