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gimp/app/tools/gimpfreeselecttool.c
Michael Natterer f7bbdc3e49 s/gimage_mask/gimp_image_mask/g 
2001-11-28  Michael Natterer  <mitch@gimp.org>

	* app/core/gimpimage-mask.[ch]: s/gimage_mask/gimp_image_mask/g

	* app/floating_sel.c
	* app/undo.c
	* app/undo_history.c
	* app/core/gimpchannel.c
	* app/core/gimpdrawable-blend.c
	* app/core/gimpdrawable-transform.c
	* app/core/gimpdrawable.c
	* app/core/gimpedit.c
	* app/core/gimpimage-crop.c
	* app/core/gimpimage-mask-select.c
	* app/core/gimpimage-resize.c
	* app/core/gimpimage-scale.c
	* app/core/gimpimage.c
	* app/display/gimpdisplayshell-qmask.c
	* app/display/gimpdisplayshell-selection.c
	* app/display/gimpdisplayshell.c
	* app/gui/channels-commands.c
	* app/gui/edit-commands.c
	* app/gui/layers-commands.c
	* app/gui/select-commands.c
	* app/tools/gimpbucketfilltool.c
	* app/tools/gimpbycolorselecttool.c
	* app/tools/gimpclonetool.c
	* app/tools/gimpcroptool.c
	* app/tools/gimpeditselectiontool.c
	* app/tools/gimpfliptool.c
	* app/tools/gimpfreeselecttool.c
	* app/tools/gimpinktool.c
	* app/tools/gimpmovetool.c
	* app/tools/gimppainttool.c
	* app/tools/gimprectselecttool.c
	* app/tools/gimpselectiontool.c
	* app/tools/gimptexttool.c
	* app/tools/gimptransformtool.c
	* app/widgets/gimpchannellistview.c
	* app/xcf/xcf-save.c
	* tools/pdbgen/pdb/edit.pdb
	* tools/pdbgen/pdb/selection.pdb: changed accordingly.

	* app/pdb/edit_cmds.c
	* app/pdb/selection_cmds.c: regenerated.
2001-11-28 22:42:19 +00:00

349 lines
11 KiB
C
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/* The GIMP -- an image manipulation program
* Copyright (C) 1995 Spencer Kimball and Peter Mattis
*
* 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 <string.h>
#include <gtk/gtk.h>
#include "libgimpwidgets/gimpwidgets.h"
#include "libgimpmath/gimpmath.h"
#include "tools-types.h"
#include "core/gimpchannel.h"
#include "core/gimpimage.h"
#include "core/gimpimage-mask.h"
#include "core/gimpimage-mask-select.h"
#include "core/gimptoolinfo.h"
#include "display/gimpdisplay.h"
#include "display/gimpdisplay-foreach.h"
#include "display/gimpdisplayshell.h"
#include "gimpeditselectiontool.h"
#include "gimpfreeselecttool.h"
#include "selection_options.h"
#include "floating_sel.h"
#include "libgimp/gimpintl.h"
#define DEFAULT_MAX_INC 1024
static void gimp_free_select_tool_class_init (GimpFreeSelectToolClass *klass);
static void gimp_free_select_tool_init (GimpFreeSelectTool *free_select);
static void gimp_free_select_tool_finalize (GObject *object);
static void gimp_free_select_tool_button_press (GimpTool *tool,
GimpCoords *coords,
guint32 time,
GdkModifierType state,
GimpDisplay *gdisp);
static void gimp_free_select_tool_button_release (GimpTool *tool,
GimpCoords *coords,
guint32 time,
GdkModifierType state,
GimpDisplay *gdisp);
static void gimp_free_select_tool_motion (GimpTool *tool,
GimpCoords *coords,
guint32 time,
GdkModifierType state,
GimpDisplay *gdisp);
static void gimp_free_select_tool_draw (GimpDrawTool *draw_tool);
static void gimp_free_select_tool_add_point (GimpFreeSelectTool *free_sel,
gdouble x,
gdouble y);
static GimpSelectionToolClass *parent_class = NULL;
/* public functions */
void
gimp_free_select_tool_register (Gimp *gimp,
GimpToolRegisterCallback callback)
{
(* callback) (gimp,
GIMP_TYPE_FREE_SELECT_TOOL,
selection_options_new,
FALSE,
"gimp:free_select_tool",
_("Free Select"),
_("Select hand-drawn regions"),
_("/Tools/Selection Tools/Free Select"), "F",
NULL, "tools/free_select.html",
GIMP_STOCK_TOOL_FREE_SELECT);
}
GType
gimp_free_select_tool_get_type (void)
{
static GType tool_type = 0;
if (! tool_type)
{
static const GTypeInfo tool_info =
{
sizeof (GimpFreeSelectToolClass),
(GBaseInitFunc) NULL,
(GBaseFinalizeFunc) NULL,
(GClassInitFunc) gimp_free_select_tool_class_init,
NULL, /* class_finalize */
NULL, /* class_data */
sizeof (GimpFreeSelectTool),
0, /* n_preallocs */
(GInstanceInitFunc) gimp_free_select_tool_init,
};
tool_type = g_type_register_static (GIMP_TYPE_SELECTION_TOOL,
"GimpFreeSelectTool",
&tool_info, 0);
}
return tool_type;
}
/* private functions */
static void
gimp_free_select_tool_class_init (GimpFreeSelectToolClass *klass)
{
GObjectClass *object_class;
GimpToolClass *tool_class;
GimpDrawToolClass *draw_tool_class;
object_class = G_OBJECT_CLASS (klass);
tool_class = GIMP_TOOL_CLASS (klass);
draw_tool_class = GIMP_DRAW_TOOL_CLASS (klass);
parent_class = g_type_class_peek_parent (klass);
object_class->finalize = gimp_free_select_tool_finalize;
tool_class->button_press = gimp_free_select_tool_button_press;
tool_class->button_release = gimp_free_select_tool_button_release;
tool_class->motion = gimp_free_select_tool_motion;
draw_tool_class->draw = gimp_free_select_tool_draw;
}
static void
gimp_free_select_tool_init (GimpFreeSelectTool *free_select)
{
GimpTool *tool;
GimpSelectionTool *select_tool;
tool = GIMP_TOOL (free_select);
select_tool = GIMP_SELECTION_TOOL (free_select);
tool->tool_cursor = GIMP_FREE_SELECT_TOOL_CURSOR;
tool->scroll_lock = TRUE; /* Do not allow scrolling */
free_select->points = NULL;
free_select->num_points = 0;
free_select->max_segs = 0;
}
static void
gimp_free_select_tool_finalize (GObject *object)
{
GimpFreeSelectTool *free_sel;
free_sel = GIMP_FREE_SELECT_TOOL (object);
if (free_sel->points)
{
g_free (free_sel->points);
free_sel->points = NULL;
}
G_OBJECT_CLASS (parent_class)->finalize (object);
}
static void
gimp_free_select_tool_button_press (GimpTool *tool,
GimpCoords *coords,
guint32 time,
GdkModifierType state,
GimpDisplay *gdisp)
{
GimpFreeSelectTool *free_sel;
GimpDisplayShell *shell;
free_sel = GIMP_FREE_SELECT_TOOL (tool);
shell = GIMP_DISPLAY_SHELL (gdisp->shell);
tool->state = ACTIVE;
tool->gdisp = gdisp;
gdk_pointer_grab (shell->canvas->window, FALSE,
GDK_POINTER_MOTION_HINT_MASK |
GDK_BUTTON1_MOTION_MASK |
GDK_BUTTON_RELEASE_MASK,
NULL, NULL, time);
switch (GIMP_SELECTION_TOOL (tool)->op)
{
case SELECTION_MOVE_MASK:
init_edit_selection (tool, gdisp, coords, EDIT_MASK_TRANSLATE);
return;
case SELECTION_MOVE:
init_edit_selection (tool, gdisp, coords, EDIT_MASK_TO_LAYER_TRANSLATE);
return;
default:
break;
}
free_sel->num_points = 0;
gimp_free_select_tool_add_point (free_sel, coords->x, coords->y);
gimp_draw_tool_start (GIMP_DRAW_TOOL (tool), shell->canvas->window);
}
static void
gimp_free_select_tool_button_release (GimpTool *tool,
GimpCoords *coords,
guint32 time,
GdkModifierType state,
GimpDisplay *gdisp)
{
GimpFreeSelectTool *free_sel;
SelectionOptions *sel_options;
free_sel = GIMP_FREE_SELECT_TOOL (tool);
sel_options = (SelectionOptions *) tool->tool_info->tool_options;
gdk_pointer_ungrab (time);
gdk_flush ();
gimp_draw_tool_stop (GIMP_DRAW_TOOL (tool));
tool->state = INACTIVE;
/* First take care of the case where the user "cancels" the action */
if (! (state & GDK_BUTTON3_MASK))
{
if (free_sel->num_points == 1)
{
/* If there is a floating selection, anchor it */
if (gimp_image_floating_sel (gdisp->gimage))
floating_sel_anchor (gimp_image_floating_sel (gdisp->gimage));
/* Otherwise, clear the selection mask */
else
gimp_image_mask_clear (gdisp->gimage);
gdisplays_flush ();
return;
}
gimp_image_mask_select_polygon (gdisp->gimage,
free_sel->num_points,
free_sel->points,
GIMP_SELECTION_TOOL (tool)->op,
sel_options->antialias,
sel_options->feather,
sel_options->feather_radius,
sel_options->feather_radius);
gdisplays_flush ();
}
}
static void
gimp_free_select_tool_motion (GimpTool *tool,
GimpCoords *coords,
guint32 time,
GdkModifierType state,
GimpDisplay *gdisp)
{
GimpFreeSelectTool *free_sel;
GimpSelectionTool *sel_tool;
free_sel = GIMP_FREE_SELECT_TOOL (tool);
sel_tool = GIMP_SELECTION_TOOL (tool);
if (tool->state != ACTIVE)
return;
if (sel_tool->op == SELECTION_ANCHOR)
{
sel_tool->op = SELECTION_REPLACE;
gimp_tool_cursor_update (tool, coords, state, gdisp);
}
gimp_free_select_tool_add_point (free_sel, coords->x, coords->y);
gimp_draw_tool_draw_line (GIMP_DRAW_TOOL (tool),
free_sel->points[free_sel->num_points - 2].x,
free_sel->points[free_sel->num_points - 2].y,
free_sel->points[free_sel->num_points - 1].x,
free_sel->points[free_sel->num_points - 1].y,
FALSE);
}
static void
gimp_free_select_tool_draw (GimpDrawTool *draw_tool)
{
GimpFreeSelectTool *free_sel;
gint i;
free_sel = GIMP_FREE_SELECT_TOOL (draw_tool);
for (i = 1; i < free_sel->num_points; i++)
{
gimp_draw_tool_draw_line (draw_tool,
free_sel->points[i - 1].x,
free_sel->points[i - 1].y,
free_sel->points[i].x,
free_sel->points[i].y,
FALSE);
}
}
static void
gimp_free_select_tool_add_point (GimpFreeSelectTool *free_sel,
gdouble x,
gdouble y)
{
if (free_sel->num_points >= free_sel->max_segs)
{
free_sel->max_segs += DEFAULT_MAX_INC;
free_sel->points = g_realloc (free_sel->points,
sizeof (GimpVector2) * free_sel->max_segs);
}
free_sel->points[free_sel->num_points].x = x;
free_sel->points[free_sel->num_points].y = y;
free_sel->num_points++;
}
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