gimp/app/tools/gimpellipseselecttool.c
Michael Natterer f235eabbf1 app/Makefile.am app/disp_callbacks.[ch] app/gdisplay.[ch]
2001-09-26  Michael Natterer  <mitch@gimp.org>

	* app/Makefile.am
	* app/disp_callbacks.[ch]
	* app/gdisplay.[ch]
	* app/gdisplay_ops.[ch]
	* app/gximage.[ch]
	* app/image_render.[ch]
	* app/interface.[ch]
	* app/marching_ants.h
	* app/scale.[ch]
	* app/scroll.[ch]
	* app/selection.[ch]: removed.

	* app/display/Makefile.am
	* app/display/display-types.h
	* app/display/gimpdisplay-callbacks.[ch]
	* app/display/gimpdisplay-marching-ants.h
	* app/display/gimpdisplay-ops.[ch]
	* app/display/gimpdisplay-render.[ch]
	* app/display/gimpdisplay-scale.[ch]
	* app/display/gimpdisplay-scroll.[ch]
	* app/display/gimpdisplay-selection.[ch]
	* app/display/gimpdisplay.[ch]
	* app/display/gimpdisplayshell.[ch]
	* app/display/gximage.[ch]: added here.

	* app/[many files]
	* app/gui/[many files]
	* app/tools/*
	* app/widgets/[many files]: changed accordingly. Still very
	incomplete separation of the display stuff but it at least
	compiles.

	* tools/pdbgen/pdb.pl:
	* tools/pdbgen/pdb/display.pdb: s/GDisplay/GimpDisplay/,
	s/"gdisplay.h"/"display/gimpdisplay.h"/.

	* app/pdb/display_cmds.c: regenerated.
2001-09-25 23:23:09 +00:00

247 lines
7.3 KiB
C

/* 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 <gtk/gtk.h>
#include "libgimpwidgets/gimpwidgets.h"
#include "tools-types.h"
#include "core/gimpchannel.h"
#include "core/gimpimage.h"
#include "core/gimpimage-mask.h"
#include "core/gimptoolinfo.h"
#include "display/gimpdisplay.h"
#include "gimpellipseselecttool.h"
#include "selection_options.h"
#include "tool_options.h"
#include "tool_manager.h"
#include "app_procs.h"
#include "libgimp/gimpintl.h"
static void gimp_ellipse_select_tool_class_init (GimpEllipseSelectToolClass *klass);
static void gimp_ellipse_select_tool_init (GimpEllipseSelectTool *ellipse_select);
static void gimp_ellipse_select_tool_draw (GimpDrawTool *draw_tool);
static void gimp_ellipse_select_tool_rect_select (GimpRectSelectTool *rect_tool,
gint x,
gint y,
gint w,
gint h);
static GimpRectSelectToolClass *parent_class = NULL;
static SelectionOptions *ellipse_options = NULL;
/* public functions */
void
gimp_ellipse_select_tool_register (Gimp *gimp)
{
tool_manager_register_tool (gimp,
GIMP_TYPE_ELLIPSE_SELECT_TOOL,
FALSE,
"gimp:ellipse_select_tool",
_("Ellipse Select"),
_("Select elliptical regions"),
_("/Tools/Selection Tools/Ellipse Select"), "E",
NULL, "tools/ellipse_select.html",
GIMP_STOCK_TOOL_ELLIPSE_SELECT);
}
GType
gimp_ellipse_select_tool_get_type (void)
{
static GType tool_type = 0;
if (! tool_type)
{
static const GTypeInfo tool_info =
{
sizeof (GimpEllipseSelectToolClass),
(GBaseInitFunc) NULL,
(GBaseFinalizeFunc) NULL,
(GClassInitFunc) gimp_ellipse_select_tool_class_init,
NULL, /* class_finalize */
NULL, /* class_data */
sizeof (GimpEllipseSelectTool),
0, /* n_preallocs */
(GInstanceInitFunc) gimp_ellipse_select_tool_init,
};
tool_type = g_type_register_static (GIMP_TYPE_RECT_SELECT_TOOL,
"GimpEllipseSelectTool",
&tool_info, 0);
}
return tool_type;
}
void
ellipse_select (GimpImage *gimage,
gint x,
gint y,
gint w,
gint h,
SelectOps op,
gboolean antialias,
gboolean feather,
gdouble feather_radius)
{
GimpChannel *new_mask;
/* if applicable, replace the current selection */
if (op == SELECTION_REPLACE)
gimage_mask_clear (gimage);
else
gimage_mask_undo (gimage);
/* if feathering for rect, make a new mask with the
* rectangle and feather that with the old mask
*/
if (feather)
{
new_mask = gimp_channel_new_mask (gimage, gimage->width, gimage->height);
gimp_channel_combine_ellipse (new_mask, CHANNEL_OP_ADD,
x, y, w, h, antialias);
gimp_channel_feather (new_mask, gimp_image_get_mask (gimage),
feather_radius,
feather_radius,
op, 0, 0);
g_object_unref (G_OBJECT (new_mask));
}
else if (op == SELECTION_INTERSECT)
{
new_mask = gimp_channel_new_mask (gimage, gimage->width, gimage->height);
gimp_channel_combine_ellipse (new_mask, CHANNEL_OP_ADD,
x, y, w, h, antialias);
gimp_channel_combine_mask (gimp_image_get_mask (gimage), new_mask,
op, 0, 0);
g_object_unref (G_OBJECT (new_mask));
}
else
{
gimp_channel_combine_ellipse (gimp_image_get_mask (gimage), op,
x, y, w, h, antialias);
}
}
/* private functions */
static void
gimp_ellipse_select_tool_class_init (GimpEllipseSelectToolClass *klass)
{
GimpDrawToolClass *draw_tool_class;
GimpRectSelectToolClass *rect_tool_class;
draw_tool_class = GIMP_DRAW_TOOL_CLASS (klass);
rect_tool_class = GIMP_RECT_SELECT_TOOL_CLASS (klass);
parent_class = g_type_class_peek_parent (klass);
draw_tool_class->draw = gimp_ellipse_select_tool_draw;
rect_tool_class->rect_select = gimp_ellipse_select_tool_rect_select;
}
static void
gimp_ellipse_select_tool_init (GimpEllipseSelectTool *ellipse_select)
{
GimpTool *tool;
GimpSelectionTool *select_tool;
tool = GIMP_TOOL (ellipse_select);
select_tool = GIMP_SELECTION_TOOL (ellipse_select);
if (! ellipse_options)
{
ellipse_options = selection_options_new (GIMP_TYPE_ELLIPSE_SELECT_TOOL,
selection_options_reset);
tool_manager_register_tool_options (GIMP_TYPE_ELLIPSE_SELECT_TOOL,
(GimpToolOptions *) ellipse_options);
}
tool->tool_cursor = GIMP_ELLIPSE_SELECT_TOOL_CURSOR;
tool->preserve = FALSE; /* Don't preserve on drawable change */
}
static void
gimp_ellipse_select_tool_draw (GimpDrawTool *draw_tool)
{
GimpTool *tool;
GimpRectSelectTool *rect_sel;
gint x1, y1;
gint x2, y2;
tool = GIMP_TOOL (draw_tool);
rect_sel = GIMP_RECT_SELECT_TOOL (draw_tool);
x1 = MIN (rect_sel->x, rect_sel->x + rect_sel->w);
y1 = MIN (rect_sel->y, rect_sel->y + rect_sel->h);
x2 = MAX (rect_sel->x, rect_sel->x + rect_sel->w);
y2 = MAX (rect_sel->y, rect_sel->y + rect_sel->h);
gdisplay_transform_coords (tool->gdisp, x1, y1, &x1, &y1, 0);
gdisplay_transform_coords (tool->gdisp, x2, y2, &x2, &y2, 0);
gdk_draw_arc (draw_tool->win,
draw_tool->gc,
0,
x1, y1, (x2 - x1), (y2 - y1),
0, 23040);
}
static void
gimp_ellipse_select_tool_rect_select (GimpRectSelectTool *rect_tool,
gint x,
gint y,
gint w,
gint h)
{
GimpTool *tool;
GimpSelectionTool *sel_tool;
SelectionOptions *sel_options;
tool = GIMP_TOOL (rect_tool);
sel_tool = GIMP_SELECTION_TOOL (rect_tool);
sel_options = (SelectionOptions *)
tool_manager_get_info_by_tool (the_gimp, tool)->tool_options;
ellipse_select (tool->gdisp->gimage,
x, y, w, h,
sel_tool->op,
sel_options->antialias,
sel_options->feather,
sel_options->feather_radius);
}