99e78c7074
2001-10-22 Michael Natterer <mitch@gimp.org> General cleanup of the selection tools and their PDB wrappers: * app/core/Makefile.am * app/core/gimpimage-contiguous-region.[ch] * app/core/gimpimage-mask-select.[ch]: new files providing a clean, uniform API for the selection functionalities. Changed order of parameters to be consistent, removed code duplication. The region returned by the "by_color" function is not really contiguous but the API is so similar to "by_seed" and it's used in the same context so it's fair enough to put them together. Also, I'm not sure if the two is_pixel_sufficiently_different() I've optimized away were meant to do *exactly* the same. Added a comment there to remember the former difference. * app/core/gimpchannel.[ch] (gimp_channel_feather): removed the "output" channel parameter and made it optionally push an undo (like the other channel operations do). * app/core/gimpimage-mask.c: call gimp_channel_feather() with "push_undo == TRUE", removed some useless comments. * app/tools/gimpbycolorselecttool.[ch] * app/tools/gimpellipseselecttool.[ch] * app/tools/gimpfreeselecttool.[ch] * app/tools/gimpfuzzyselecttool.[ch] * app/tools/gimprectselecttool.[ch]: removed all the actual selection functionality and call the new gimp_image_mask_select_*() and gimp_image_contiguous_region_*() functions instead. * app/tools/gimpbezierselecttool.c * app/tools/gimpiscissorstool.c: use new function gimp_image_mask_select_channel() instead of doing the same manually. * app/tools/gimpbucketfilltool.c: find_contiguous_region() -> gimp_image_contiguous_region_by_seed(). * tools/pdbgen/Makefile.am * tools/pdbgen/groups.pl * tools/pdbgen/pdb/selection_tools.pdb: added new group "Selection Tools" which depends only on "core/" stuff (not on "tools/" any more, brrrr). * tools/pdbgen/pdb/text_tool.pdb: don't include "appenv.h" * tools/pdbgen/pdb/tools.pdb: removed the selection tools. * app/pdb/Makefile.am * app/pdb/selection_tools_cmds.c: new file. * app/pdb/internal_procs.c * app/pdb/text_tool_cmds.c * app/pdb/tools_cmds.c: regenerated. * libgimp/Makefile.am * libgimp/gimp_pdb.h * libgimp/gimpselectiontools_pdb.[ch]: new files. * libgimp/gimptools_pdb.[ch]: regenerated Misc cleanups: * app/app_procs.c: call splash_create() with "no_splash_image" as parameter. * app/display/gimpdisplay-render.c * app/display/gximage.c: don't include "appenv.h". * app/gui/gui.c: call session_restore() only if "restore_session" is TRUE. * app/gui/session.c: don't "if(restore_session)" here and don't include "appenv.h" * app/gui/splash.[ch]: added "gboolean show_image" parameter to splash_create(), don't include "appenv.h" * app/tools/gimppainttool.[ch]: added a "GimpGradient" parameter to gimp_paint_tool_get_color_from_gradient(). * app/tools/gimppaintbrushtool.c: pass the gradient. * app/tools/gimpselectiontool.c * app/tools/gimptransformtool.c * app/tools/tool_manager.c: s/GDisplay/GimpDisplay/. * app/widgets/gimpcontainergridview.[ch]: removed the "white_style" class variable and don't fiddle around with colors and styles... * themes/Default/gtkrc: ...do the same here with a simple rc style.
595 lines
17 KiB
C
595 lines
17 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 "libgimpbase/gimpbase.h"
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#include "libgimpwidgets/gimpwidgets.h"
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#include "tools-types.h"
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#include "core/gimpchannel.h"
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#include "core/gimpimage.h"
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#include "core/gimpimage-mask.h"
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#include "core/gimpimage-mask-select.h"
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#include "core/gimpmarshal.h"
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#include "core/gimptoolinfo.h"
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#include "display/gimpdisplay.h"
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#include "display/gimpdisplay-foreach.h"
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#include "gimpeditselectiontool.h"
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#include "gimprectselecttool.h"
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#include "selection_options.h"
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#include "tool_options.h"
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#include "tool_manager.h"
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#include "app_procs.h"
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#include "floating_sel.h"
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#include "libgimp/gimpintl.h"
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#define STATUSBAR_SIZE 128
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enum
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{
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RECT_SELECT,
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LAST_SIGNAL
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};
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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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GdkEventButton *bevent,
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GDisplay *gdisp);
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static void gimp_rect_select_tool_button_release (GimpTool *tool,
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GdkEventButton *bevent,
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GDisplay *gdisp);
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static void gimp_rect_select_tool_motion (GimpTool *tool,
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GdkEventMotion *mevent,
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GDisplay *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 guint rect_select_signals[LAST_SIGNAL] = { 0 };
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static GimpSelectionToolClass *parent_class = NULL;
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static SelectionOptions *rect_options = NULL;
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/* public functions */
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void
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gimp_rect_select_tool_register (Gimp *gimp)
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{
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tool_manager_register_tool (gimp,
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GIMP_TYPE_RECT_SELECT_TOOL,
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FALSE,
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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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_("/Tools/Selection Tools/Rect Select"), "R",
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NULL, "tools/rect_select.html",
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GIMP_STOCK_TOOL_RECT_SELECT);
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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 funuctions */
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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;
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GimpDrawToolClass *draw_tool_class;
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tool_class = GIMP_TOOL_CLASS (klass);
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draw_tool_class = GIMP_DRAW_TOOL_CLASS (klass);
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parent_class = g_type_class_peek_parent (klass);
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rect_select_signals[RECT_SELECT] =
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g_signal_new ("rect_select",
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G_TYPE_FROM_CLASS (klass),
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G_SIGNAL_RUN_FIRST,
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G_STRUCT_OFFSET (GimpRectSelectToolClass, rect_select),
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NULL, NULL,
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gimp_cclosure_marshal_VOID__INT_INT_INT_INT,
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G_TYPE_NONE, 4,
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G_TYPE_INT,
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G_TYPE_INT,
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G_TYPE_INT,
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G_TYPE_INT);
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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;
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GimpSelectionTool *select_tool;
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tool = GIMP_TOOL (rect_select);
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select_tool = GIMP_SELECTION_TOOL (rect_select);
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if (! rect_options)
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{
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rect_options = selection_options_new (GIMP_TYPE_RECT_SELECT_TOOL,
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selection_options_reset);
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tool_manager_register_tool_options (GIMP_TYPE_RECT_SELECT_TOOL,
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(GimpToolOptions *) rect_options);
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}
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tool->tool_cursor = GIMP_RECT_SELECT_TOOL_CURSOR;
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tool->preserve = FALSE; /* Don't preserve on drawable change */
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rect_select->x = rect_select->y = 0;
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rect_select->w = rect_select->h = 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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GdkEventButton *bevent,
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GDisplay *gdisp)
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{
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GimpRectSelectTool *rect_sel;
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GimpSelectionTool *sel_tool;
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SelectionOptions *sel_options;
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gchar select_mode[STATUSBAR_SIZE];
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gint x, y;
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GimpUnit unit = GIMP_UNIT_PIXEL;
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gdouble unit_factor;
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rect_sel = GIMP_RECT_SELECT_TOOL (tool);
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sel_tool = GIMP_SELECTION_TOOL (tool);
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sel_options = (SelectionOptions *)
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tool_manager_get_info_by_tool (gdisp->gimage->gimp, tool)->tool_options;
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gdisplay_untransform_coords (gdisp, bevent->x, bevent->y, &x, &y, TRUE, 0);
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rect_sel->x = x;
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rect_sel->y = y;
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rect_sel->fixed_size = sel_options->fixed_size;
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rect_sel->fixed_width = sel_options->fixed_width;
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rect_sel->fixed_height = sel_options->fixed_height;
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unit = sel_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 (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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rect_sel->w = 0;
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rect_sel->h = 0;
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rect_sel->center = FALSE;
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gdk_pointer_grab (gdisp->canvas->window, FALSE,
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GDK_POINTER_MOTION_HINT_MASK |
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GDK_BUTTON1_MOTION_MASK |
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GDK_BUTTON_RELEASE_MASK,
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NULL, NULL, bevent->time);
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tool->state = ACTIVE;
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tool->gdisp = gdisp;
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switch (sel_tool->op)
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{
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case SELECTION_MOVE_MASK:
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init_edit_selection (tool, gdisp, bevent, EDIT_MASK_TRANSLATE);
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return;
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case SELECTION_MOVE:
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init_edit_selection (tool, gdisp, bevent, EDIT_MASK_TO_LAYER_TRANSLATE);
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return;
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default:
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break;
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}
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/* initialize the statusbar display */
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rect_sel->context_id =
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gtk_statusbar_get_context_id (GTK_STATUSBAR (gdisp->statusbar), "selection");
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switch (sel_tool->op)
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{
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case SELECTION_ADD:
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g_snprintf (select_mode, STATUSBAR_SIZE, _("Selection: ADD"));
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break;
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case SELECTION_SUB:
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g_snprintf (select_mode, STATUSBAR_SIZE, _("Selection: SUBTRACT"));
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break;
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case SELECTION_INTERSECT:
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g_snprintf (select_mode, STATUSBAR_SIZE, _("Selection: INTERSECT"));
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break;
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case SELECTION_REPLACE:
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g_snprintf (select_mode, STATUSBAR_SIZE, _("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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gtk_statusbar_push (GTK_STATUSBAR (gdisp->statusbar),
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rect_sel->context_id, select_mode);
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gimp_draw_tool_start (GIMP_DRAW_TOOL (tool),
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gdisp->canvas->window);
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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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GdkEventButton *bevent,
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GDisplay *gdisp)
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{
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GimpRectSelectTool *rect_sel;
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GimpSelectionTool *sel_tool;
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gint x1, y1;
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gint x2, y2;
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gint w, h;
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rect_sel = GIMP_RECT_SELECT_TOOL (tool);
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sel_tool = GIMP_SELECTION_TOOL (tool);
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gdk_pointer_ungrab (bevent->time);
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gdk_flush ();
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gtk_statusbar_pop (GTK_STATUSBAR (gdisp->statusbar), rect_sel->context_id);
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gimp_draw_tool_stop (GIMP_DRAW_TOOL (tool));
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tool->state = INACTIVE;
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/* First take care of the case where the user "cancels" the action */
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if (! (bevent->state & GDK_BUTTON3_MASK))
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{
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x1 = (rect_sel->w < 0) ? rect_sel->x + rect_sel->w : rect_sel->x;
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y1 = (rect_sel->h < 0) ? rect_sel->y + rect_sel->h : rect_sel->y;
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w = (rect_sel->w < 0) ? -rect_sel->w : rect_sel->w;
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h = (rect_sel->h < 0) ? -rect_sel->h : rect_sel->h;
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if ((!w || !h) && !rect_sel->fixed_size)
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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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gimage_mask_clear (gdisp->gimage);
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gdisplays_flush ();
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return;
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}
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x2 = x1 + w;
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y2 = y1 + h;
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gimp_rect_select_tool_rect_select (rect_sel,
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x1, y1, (x2 - x1), (y2 - y1));
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/* show selection on all views */
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gdisplays_flush ();
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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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GdkEventMotion *mevent,
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GDisplay *gdisp)
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{
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GimpRectSelectTool *rect_sel;
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GimpSelectionTool *sel_tool;
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gchar size[STATUSBAR_SIZE];
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gint ox, oy;
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gint x, y;
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gint w, h, s;
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gint tw, th;
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gdouble ratio;
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rect_sel = GIMP_RECT_SELECT_TOOL (tool);
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sel_tool = GIMP_SELECTION_TOOL (tool);
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/* needed for immediate cursor update on modifier event */
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sel_tool->current_x = mevent->x;
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sel_tool->current_y = mevent->y;
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if (tool->state != ACTIVE)
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return;
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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, mevent, gdisp);
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}
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gimp_draw_tool_pause (GIMP_DRAW_TOOL (tool));
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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;
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oy = rect_sel->y + rect_sel->h / 2;
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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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gdisplay_untransform_coords (gdisp, mevent->x, mevent->y, &x, &y, TRUE, 0);
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if (rect_sel->fixed_size)
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{
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if (mevent->state & GDK_SHIFT_MASK)
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{
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ratio = (double)(rect_sel->fixed_height /
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(double)rect_sel->fixed_width);
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tw = x - ox;
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th = y - oy;
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/*
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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 agorithm
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*/
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if ((abs(th) < (ratio * abs(tw))) && (abs(tw) > (abs(th) / ratio)))
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{
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w = tw;
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h = (int)(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 = (int)(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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}
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else
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{
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w = (x - ox > 0 ? rect_sel->fixed_width : -rect_sel->fixed_width);
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h = (y - oy > 0 ? rect_sel->fixed_height : -rect_sel->fixed_height);
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}
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}
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else
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{
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w = (x - ox);
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h = (y - oy);
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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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if ((mevent->state & GDK_SHIFT_MASK) && !rect_sel->fixed_size)
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{
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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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|
}
|
|
|
|
/* If the control key is down, create the selection from the center out */
|
|
if (mevent->state & GDK_CONTROL_MASK)
|
|
{
|
|
if (rect_sel->fixed_size)
|
|
{
|
|
if (mevent->state & GDK_SHIFT_MASK)
|
|
{
|
|
rect_sel->x = ox - w;
|
|
rect_sel->y = oy - h;
|
|
rect_sel->w = w * 2;
|
|
rect_sel->h = h * 2;
|
|
}
|
|
else
|
|
{
|
|
rect_sel->x = ox - w / 2;
|
|
rect_sel->y = oy - h / 2;
|
|
rect_sel->w = w;
|
|
rect_sel->h = h;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
w = abs(w);
|
|
h = abs(h);
|
|
|
|
rect_sel->x = ox - w;
|
|
rect_sel->y = oy - h;
|
|
rect_sel->w = 2 * w + 1;
|
|
rect_sel->h = 2 * h + 1;
|
|
}
|
|
rect_sel->center = TRUE;
|
|
}
|
|
else
|
|
{
|
|
rect_sel->x = ox;
|
|
rect_sel->y = oy;
|
|
rect_sel->w = w;
|
|
rect_sel->h = h;
|
|
|
|
rect_sel->center = FALSE;
|
|
}
|
|
|
|
gtk_statusbar_pop (GTK_STATUSBAR (gdisp->statusbar), rect_sel->context_id);
|
|
|
|
if (gdisp->dot_for_dot)
|
|
{
|
|
g_snprintf (size, STATUSBAR_SIZE, gdisp->cursor_format_str,
|
|
_("Selection: "), abs(rect_sel->w), " x ", abs(rect_sel->h));
|
|
}
|
|
else /* show real world units */
|
|
{
|
|
gdouble unit_factor = gimp_unit_get_factor (gdisp->gimage->unit);
|
|
|
|
g_snprintf (size, STATUSBAR_SIZE, gdisp->cursor_format_str,
|
|
_("Selection: "),
|
|
(gdouble) abs(rect_sel->w) * unit_factor /
|
|
gdisp->gimage->xresolution,
|
|
" x ",
|
|
(gdouble) abs(rect_sel->h) * unit_factor /
|
|
gdisp->gimage->yresolution);
|
|
}
|
|
|
|
gtk_statusbar_push (GTK_STATUSBAR (gdisp->statusbar), rect_sel->context_id,
|
|
size);
|
|
|
|
gimp_draw_tool_resume (GIMP_DRAW_TOOL (tool));
|
|
}
|
|
|
|
static void
|
|
gimp_rect_select_tool_draw (GimpDrawTool *draw_tool)
|
|
{
|
|
GimpRectSelectTool *rect_sel;
|
|
GimpTool *tool;
|
|
gint x1, y1;
|
|
gint x2, y2;
|
|
|
|
rect_sel = GIMP_RECT_SELECT_TOOL (draw_tool);
|
|
tool = GIMP_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_rectangle (draw_tool->win,
|
|
draw_tool->gc, 0,
|
|
x1, y1, (x2 - x1), (y2 - y1));
|
|
}
|
|
|
|
static void
|
|
gimp_rect_select_tool_real_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;
|
|
|
|
gimp_image_mask_select_rectangle (tool->gdisp->gimage,
|
|
x, y, w, h,
|
|
sel_tool->op,
|
|
sel_options->feather,
|
|
sel_options->feather_radius,
|
|
sel_options->feather_radius);
|
|
}
|
|
|
|
void
|
|
gimp_rect_select_tool_rect_select (GimpRectSelectTool *rect_tool,
|
|
gint x,
|
|
gint y,
|
|
gint w,
|
|
gint h)
|
|
{
|
|
g_return_if_fail (rect_tool != NULL);
|
|
g_return_if_fail (GIMP_IS_RECT_SELECT_TOOL (rect_tool));
|
|
|
|
g_signal_emit (G_OBJECT (rect_tool), rect_select_signals[RECT_SELECT], 0,
|
|
x, y, w, h);
|
|
}
|