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d50a2db779
2004-07-26 Michael Natterer <mitch@gimp.org> * app/tools/gimpeditselectiontool.[ch]: renamed init_edit_selection() to gimp_edit_selection_tool_start(). Removed enum EditType. * app/tools/tools-enums.h: added enum GimpTranslateMode instead. * app/tools/gimpmovetool.c: changed accordingly. * app/tools/gimpselectiontool.[ch]: added protected utility function gimp_selection_tool_start_edit(). * app/tools/gimpfreeselecttool.c * app/tools/gimpfuzzyselecttool.c * app/tools/gimprectselecttool.c: use the new function instead of duplicating the same code three times, don't include "gimpeditselectiontool.h". * app/tools/gimpiscissorstool.c: don't include "gimpeditselectiontool.h".
644 lines
20 KiB
C
644 lines
20 KiB
C
/* The GIMP -- an image manipulation program
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* Copyright (C) 1995 Spencer Kimball and Peter Mattis
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#include "config.h"
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#include <stdlib.h>
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#include <gtk/gtk.h>
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#include <gdk/gdkkeysyms.h>
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#include "libgimpwidgets/gimpwidgets.h"
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#include "tools-types.h"
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#include "core/gimp-utils.h"
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#include "core/gimpchannel.h"
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#include "core/gimpchannel-select.h"
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#include "core/gimpimage.h"
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#include "core/gimpimage-crop.h"
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#include "core/gimplayer-floating-sel.h"
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#include "core/gimpmarshal.h"
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#include "core/gimptoolinfo.h"
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#include "core/gimpunit.h"
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#include "widgets/gimphelp-ids.h"
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#include "display/gimpdisplay.h"
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#include "display/gimpdisplayshell.h"
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#include "gimprectselecttool.h"
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#include "gimpselectionoptions.h"
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#include "gimptoolcontrol.h"
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#include "gimp-intl.h"
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static void gimp_rect_select_tool_class_init (GimpRectSelectToolClass *klass);
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static void gimp_rect_select_tool_init (GimpRectSelectTool *rect_select);
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static void gimp_rect_select_tool_button_press (GimpTool *tool,
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GimpCoords *coords,
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guint32 time,
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GdkModifierType state,
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GimpDisplay *gdisp);
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static void gimp_rect_select_tool_button_release (GimpTool *tool,
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GimpCoords *coords,
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guint32 time,
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GdkModifierType state,
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GimpDisplay *gdisp);
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static void gimp_rect_select_tool_motion (GimpTool *tool,
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GimpCoords *coords,
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guint32 time,
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GdkModifierType state,
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GimpDisplay *gdisp);
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static void gimp_rect_select_tool_draw (GimpDrawTool *draw_tool);
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static void gimp_rect_select_tool_real_rect_select (GimpRectSelectTool *rect_tool,
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gint x,
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gint y,
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gint w,
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gint h);
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static void gimp_rect_select_tool_update_options (GimpRectSelectTool *rect_sel,
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GimpDisplay *display);
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static GimpSelectionToolClass *parent_class = NULL;
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/* public functions */
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void
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gimp_rect_select_tool_register (GimpToolRegisterCallback callback,
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gpointer data)
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{
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(* callback) (GIMP_TYPE_RECT_SELECT_TOOL,
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GIMP_TYPE_SELECTION_OPTIONS,
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gimp_selection_options_gui,
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0,
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"gimp-rect-select-tool",
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_("Rect Select"),
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_("Select rectangular regions"),
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N_("_Rect Select"), "R",
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NULL, GIMP_HELP_TOOL_RECT_SELECT,
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GIMP_STOCK_TOOL_RECT_SELECT,
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data);
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}
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GType
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gimp_rect_select_tool_get_type (void)
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{
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static GtkType tool_type = 0;
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if (! tool_type)
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{
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static const GTypeInfo tool_info =
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{
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sizeof (GimpRectSelectToolClass),
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(GBaseInitFunc) NULL,
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(GBaseFinalizeFunc) NULL,
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(GClassInitFunc) gimp_rect_select_tool_class_init,
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NULL, /* class_finalize */
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NULL, /* class_data */
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sizeof (GimpRectSelectTool),
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0, /* n_preallocs */
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(GInstanceInitFunc) gimp_rect_select_tool_init,
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};
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tool_type = g_type_register_static (GIMP_TYPE_SELECTION_TOOL,
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"GimpRectSelectTool",
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&tool_info, 0);
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}
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return tool_type;
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}
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/* private functions */
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static void
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gimp_rect_select_tool_class_init (GimpRectSelectToolClass *klass)
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{
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GimpToolClass *tool_class = GIMP_TOOL_CLASS (klass);
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GimpDrawToolClass *draw_tool_class = GIMP_DRAW_TOOL_CLASS (klass);
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parent_class = g_type_class_peek_parent (klass);
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tool_class->button_press = gimp_rect_select_tool_button_press;
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tool_class->button_release = gimp_rect_select_tool_button_release;
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tool_class->motion = gimp_rect_select_tool_motion;
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draw_tool_class->draw = gimp_rect_select_tool_draw;
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klass->rect_select = gimp_rect_select_tool_real_rect_select;
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}
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static void
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gimp_rect_select_tool_init (GimpRectSelectTool *rect_select)
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{
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GimpTool *tool = GIMP_TOOL (rect_select);
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gimp_tool_control_set_tool_cursor (tool->control,
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GIMP_TOOL_CURSOR_RECT_SELECT);
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rect_select->x = rect_select->y = 0.0;
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rect_select->w = rect_select->h = 0.0;
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}
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static void
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gimp_rect_select_tool_button_press (GimpTool *tool,
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GimpCoords *coords,
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guint32 time,
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GdkModifierType state,
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GimpDisplay *gdisp)
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{
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GimpRectSelectTool *rect_sel = GIMP_RECT_SELECT_TOOL (tool);
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GimpSelectionTool *sel_tool = GIMP_SELECTION_TOOL (tool);
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GimpSelectionOptions *options;
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GimpUnit unit = GIMP_UNIT_PIXEL;
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gdouble unit_factor;
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options = GIMP_SELECTION_OPTIONS (tool->tool_info->tool_options);
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rect_sel->x = coords->x;
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rect_sel->y = coords->y;
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rect_sel->w = 0.0;
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rect_sel->h = 0.0;
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rect_sel->center = FALSE;
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rect_sel->moved = FALSE;
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rect_sel->last_coords = *coords;
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rect_sel->fixed_mode = options->fixed_mode;
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rect_sel->fixed_width = options->fixed_width;
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rect_sel->fixed_height = options->fixed_height;
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unit = options->fixed_unit;
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switch (unit)
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{
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case GIMP_UNIT_PIXEL:
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break;
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case GIMP_UNIT_PERCENT:
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rect_sel->fixed_width =
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gdisp->gimage->width * rect_sel->fixed_width / 100;
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rect_sel->fixed_height =
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gdisp->gimage->height * rect_sel->fixed_height / 100;
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break;
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default:
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unit_factor = _gimp_unit_get_factor (tool->tool_info->gimp, unit);
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rect_sel->fixed_width =
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rect_sel->fixed_width * gdisp->gimage->xresolution / unit_factor;
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rect_sel->fixed_height =
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rect_sel->fixed_height * gdisp->gimage->yresolution / unit_factor;
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break;
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}
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rect_sel->fixed_width = MAX (1, rect_sel->fixed_width);
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rect_sel->fixed_height = MAX (1, rect_sel->fixed_height);
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gimp_tool_control_activate (tool->control);
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tool->gdisp = gdisp;
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if (gimp_selection_tool_start_edit (sel_tool, coords))
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return;
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switch (sel_tool->op)
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{
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case SELECTION_ADD:
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gimp_tool_push_status (tool, _("Selection: ADD"));
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break;
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case SELECTION_SUBTRACT:
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gimp_tool_push_status (tool, _("Selection: SUBTRACT"));
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break;
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case SELECTION_INTERSECT:
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gimp_tool_push_status (tool, _("Selection: INTERSECT"));
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break;
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case SELECTION_REPLACE:
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gimp_tool_push_status (tool, _("Selection: REPLACE"));
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break;
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default:
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break;
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}
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gimp_draw_tool_start (GIMP_DRAW_TOOL (tool), gdisp);
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}
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static void
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gimp_rect_select_tool_button_release (GimpTool *tool,
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GimpCoords *coords,
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guint32 time,
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GdkModifierType state,
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GimpDisplay *gdisp)
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{
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GimpRectSelectTool *rect_sel = GIMP_RECT_SELECT_TOOL (tool);
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gdouble x, y;
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gdouble w, h;
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gint ix, iy;
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gint iw, ih;
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gimp_tool_pop_status (tool);
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gimp_draw_tool_stop (GIMP_DRAW_TOOL (tool));
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gimp_tool_control_halt (tool->control);
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/* First take care of the case where the user "cancels" the action */
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if (! (state & GDK_BUTTON3_MASK))
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{
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x = (rect_sel->w < 0) ? rect_sel->x + rect_sel->w : rect_sel->x;
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y = (rect_sel->h < 0) ? rect_sel->y + rect_sel->h : rect_sel->y;
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w = ABS (rect_sel->w);
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h = ABS (rect_sel->h);
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gimp_rect_select_tool_coords_to_integer (gdisp,
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x, y, w, h,
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&ix, &iy, &iw, &ih);
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if ((!rect_sel->moved || !iw || !ih)
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&& rect_sel->fixed_mode == GIMP_RECT_SELECT_MODE_FREE)
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{
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/* If there is a floating selection, anchor it */
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if (gimp_image_floating_sel (gdisp->gimage))
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floating_sel_anchor (gimp_image_floating_sel (gdisp->gimage));
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/* Otherwise, clear the selection mask */
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else
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gimp_channel_clear (gimp_image_get_mask (gdisp->gimage), NULL,
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TRUE);
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gimp_image_flush (gdisp->gimage);
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return;
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}
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gimp_rect_select_tool_rect_select (rect_sel,
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ix, iy, iw, ih);
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/* show selection on all views */
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gimp_image_flush (gdisp->gimage);
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}
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}
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static void
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gimp_rect_select_tool_motion (GimpTool *tool,
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GimpCoords *coords,
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guint32 time,
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GdkModifierType state,
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GimpDisplay *gdisp)
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{
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GimpRectSelectTool *rect_sel = GIMP_RECT_SELECT_TOOL (tool);
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GimpSelectionTool *sel_tool = GIMP_SELECTION_TOOL (tool);
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gdouble ox, oy;
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gdouble w, h;
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gdouble tw, th;
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gdouble ratio;
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gint ix, iy;
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gint iw, ih;
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if (coords->x != rect_sel->x || coords->y != rect_sel->y)
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rect_sel->moved = TRUE;
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if (sel_tool->op == SELECTION_ANCHOR)
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{
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sel_tool->op = SELECTION_REPLACE;
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gimp_tool_cursor_update (tool, coords, state, gdisp);
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}
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gimp_draw_tool_pause (GIMP_DRAW_TOOL (tool));
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if (state & GDK_MOD1_MASK)
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{
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/* Just move the selection rectangle around */
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rect_sel->x += coords->x - rect_sel->last_coords.x;
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rect_sel->y += coords->y - rect_sel->last_coords.y;
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}
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else
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{
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/* Change the selection rectangle's size */
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/* Calculate starting point */
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if (rect_sel->center)
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{
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ox = rect_sel->x + rect_sel->w / 2.0;
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oy = rect_sel->y + rect_sel->h / 2.0;
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}
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else
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{
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ox = rect_sel->x;
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oy = rect_sel->y;
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}
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switch (rect_sel->fixed_mode)
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{
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case GIMP_RECT_SELECT_MODE_FIXED_SIZE:
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w = ((coords->x - ox) > 0 ?
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rect_sel->fixed_width : -rect_sel->fixed_width);
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h = ((coords->y - oy) > 0 ?
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rect_sel->fixed_height : -rect_sel->fixed_height);
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break;
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case GIMP_RECT_SELECT_MODE_FIXED_RATIO:
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ratio = ((gdouble) rect_sel->fixed_height /
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(gdouble) rect_sel->fixed_width);
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tw = (coords->x - ox);
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th = (coords->y - oy);
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/* This is probably an inefficient way to do it, but it gives
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* nicer, more predictable results than the original algorithm
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*/
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if ((abs (th) < (ratio * abs (tw))) &&
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(abs (tw) > (abs (th) / ratio)))
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{
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w = tw;
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h = (tw * ratio);
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/* h should have the sign of th */
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if ((th < 0 && h > 0) || (th > 0 && h < 0))
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h = -h;
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}
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else
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{
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h = th;
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w = (th / ratio);
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/* w should have the sign of tw */
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if ((tw < 0 && w > 0) || (tw > 0 && w < 0))
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w = -w;
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}
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break;
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default:
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w = (coords->x - ox);
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h = (coords->y - oy);
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break;
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}
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/* If the shift key is down, then make the rectangle square (or
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* ellipse circular)
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*/
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if ((state & GDK_SHIFT_MASK) &&
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rect_sel->fixed_mode == GIMP_RECT_SELECT_MODE_FREE)
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{
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gint s = MAX (abs (w), abs (h));
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if (w < 0)
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w = -s;
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else
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w = s;
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if (h < 0)
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h = -s;
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else
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h = s;
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}
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/* If the control key is down, create the selection from the center out
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*/
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if (state & GDK_CONTROL_MASK)
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{
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rect_sel->center = TRUE;
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switch (rect_sel->fixed_mode)
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{
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case GIMP_RECT_SELECT_MODE_FIXED_SIZE:
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rect_sel->x = ox - w / 2.0;
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rect_sel->y = oy - h / 2.0;
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rect_sel->w = w;
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rect_sel->h = h;
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break;
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case GIMP_RECT_SELECT_MODE_FIXED_RATIO:
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rect_sel->x = ox - w;
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rect_sel->y = oy - h;
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rect_sel->w = w * 2.0;
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rect_sel->h = h * 2.0;
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break;
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default:
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w = abs (w);
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h = abs (h);
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rect_sel->x = ox - w;
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rect_sel->y = oy - h;
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rect_sel->w = 2.0 * w;
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rect_sel->h = 2.0 * h;
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break;
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}
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}
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else
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{
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rect_sel->center = FALSE;
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rect_sel->x = ox;
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rect_sel->y = oy;
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rect_sel->w = w;
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rect_sel->h = h;
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}
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}
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rect_sel->last_coords = *coords;
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gimp_rect_select_tool_update_options (rect_sel, gdisp);
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gimp_tool_pop_status (tool);
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gimp_rect_select_tool_coords_to_integer (gdisp,
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rect_sel->x, rect_sel->y,
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rect_sel->w, rect_sel->h,
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&ix, &iy,
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&iw, &ih);
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gimp_tool_push_status_coords (tool,
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_("Selection: "),
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iw,
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" x ",
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ih);
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gimp_draw_tool_resume (GIMP_DRAW_TOOL (tool));
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}
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static void
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gimp_rect_select_tool_draw (GimpDrawTool *draw_tool)
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{
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GimpRectSelectTool *rect_sel = GIMP_RECT_SELECT_TOOL (draw_tool);
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gint ix, iy;
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gint iw, ih;
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gimp_rect_select_tool_coords_to_integer (draw_tool->gdisp,
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rect_sel->x, rect_sel->y,
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rect_sel->w, rect_sel->h,
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&ix, &iy,
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&iw, &ih);
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gimp_draw_tool_draw_rectangle (draw_tool,
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FALSE,
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ix, iy, iw, ih,
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FALSE);
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}
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static void
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gimp_rect_select_tool_real_rect_select (GimpRectSelectTool *rect_tool,
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gint x,
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gint y,
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gint w,
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gint h)
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{
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GimpTool *tool = GIMP_TOOL (rect_tool);
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GimpSelectionTool *sel_tool = GIMP_SELECTION_TOOL (rect_tool);
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GimpSelectionOptions *options;
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options = GIMP_SELECTION_OPTIONS (tool->tool_info->tool_options);
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gimp_channel_select_rectangle (gimp_image_get_mask (tool->gdisp->gimage),
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x, y, w, h,
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sel_tool->op,
|
|
options->feather,
|
|
options->feather_radius,
|
|
options->feather_radius);
|
|
}
|
|
|
|
void
|
|
gimp_rect_select_tool_rect_select (GimpRectSelectTool *rect_tool,
|
|
gint x,
|
|
gint y,
|
|
gint w,
|
|
gint h)
|
|
{
|
|
GimpTool *tool;
|
|
GimpSelectionOptions *options;
|
|
|
|
g_return_if_fail (GIMP_IS_RECT_SELECT_TOOL (rect_tool));
|
|
|
|
tool = GIMP_TOOL (rect_tool);
|
|
options = GIMP_SELECTION_OPTIONS (tool->tool_info->tool_options);
|
|
|
|
if (options->auto_shrink)
|
|
{
|
|
gint off_x = 0;
|
|
gint off_y = 0;
|
|
gint x2, y2;
|
|
|
|
if (! gimp_rectangle_intersect (x, y, w, h,
|
|
0, 0,
|
|
tool->gdisp->gimage->width,
|
|
tool->gdisp->gimage->height,
|
|
&x, &y, &w, &h))
|
|
{
|
|
return;
|
|
}
|
|
|
|
if (! options->shrink_merged)
|
|
{
|
|
GimpItem *item;
|
|
gint width, height;
|
|
|
|
item = GIMP_ITEM (gimp_image_active_drawable (tool->gdisp->gimage));
|
|
|
|
gimp_item_offsets (item, &off_x, &off_y);
|
|
width = gimp_item_width (item);
|
|
height = gimp_item_height (item);
|
|
|
|
if (! gimp_rectangle_intersect (x, y, w, h,
|
|
off_x, off_y, width, height,
|
|
&x, &y, &w, &h))
|
|
{
|
|
return;
|
|
}
|
|
|
|
x -= off_x;
|
|
y -= off_y;
|
|
}
|
|
|
|
if (gimp_image_crop_auto_shrink (tool->gdisp->gimage,
|
|
x, y,
|
|
x + w, y + h,
|
|
! options->shrink_merged,
|
|
&x, &y,
|
|
&x2, &y2))
|
|
{
|
|
w = x2 - x;
|
|
h = y2 - y;
|
|
}
|
|
|
|
x += off_x;
|
|
y += off_y;
|
|
}
|
|
|
|
GIMP_RECT_SELECT_TOOL_GET_CLASS (rect_tool)->rect_select (rect_tool,
|
|
x, y, w, h);
|
|
}
|
|
|
|
static void
|
|
gimp_rect_select_tool_update_options (GimpRectSelectTool *rect_sel,
|
|
GimpDisplay *gdisp)
|
|
{
|
|
GimpDisplayShell *shell;
|
|
gdouble width;
|
|
gdouble height;
|
|
|
|
if (rect_sel->fixed_mode != GIMP_RECT_SELECT_MODE_FREE)
|
|
return;
|
|
|
|
shell = GIMP_DISPLAY_SHELL (gdisp->shell);
|
|
|
|
if (shell->unit == GIMP_UNIT_PIXEL)
|
|
{
|
|
width = fabs (rect_sel->w);
|
|
height = fabs (rect_sel->h);
|
|
}
|
|
else
|
|
{
|
|
GimpImage *image = gdisp->gimage;
|
|
|
|
width = (fabs (rect_sel->w) *
|
|
_gimp_unit_get_factor (image->gimp,
|
|
shell->unit) / image->xresolution);
|
|
height = (fabs (rect_sel->h) *
|
|
_gimp_unit_get_factor (image->gimp,
|
|
shell->unit) / image->yresolution);
|
|
}
|
|
|
|
g_object_set (GIMP_TOOL (rect_sel)->tool_info->tool_options,
|
|
"fixed-width", width,
|
|
"fixed-height", height,
|
|
"fixed-unit", shell->unit,
|
|
NULL);
|
|
}
|
|
|
|
void
|
|
gimp_rect_select_tool_coords_to_integer (GimpDisplay *gdisp,
|
|
gdouble x,
|
|
gdouble y,
|
|
gdouble w,
|
|
gdouble h,
|
|
gint *ix,
|
|
gint *iy,
|
|
gint *iw,
|
|
gint *ih)
|
|
{
|
|
x = MIN (x, x + w);
|
|
y = MIN (y, y + h);
|
|
w = ABS (w);
|
|
h = ABS (h);
|
|
|
|
*ix = RINT (x);
|
|
*iy = RINT (y);
|
|
*iw = RINT (w + (x - *ix));
|
|
*ih = RINT (h + (y - *iy));
|
|
}
|