1997-11-24 22:05:25 +00:00
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/* 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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1998-04-13 05:44:11 +00:00
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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1997-11-24 22:05:25 +00:00
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*/
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2000-12-16 21:37:03 +00:00
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#include "config.h"
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1997-11-24 22:05:25 +00:00
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#include <stdlib.h>
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2000-01-14 12:41:00 +00:00
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2000-12-16 21:37:03 +00:00
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#include <gtk/gtk.h>
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2000-03-01 19:32:41 +00:00
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#include <gdk/gdkkeysyms.h>
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2001-01-24 22:36:18 +00:00
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#include "libgimpwidgets/gimpwidgets.h"
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2002-05-03 12:45:22 +00:00
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#include "tools-types.h"
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2000-12-16 21:37:03 +00:00
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2002-11-18 20:50:31 +00:00
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#include "config/gimpdisplayconfig.h"
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#include "core/gimp.h"
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2001-12-28 17:36:58 +00:00
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#include "core/gimpimage.h"
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2001-11-20 13:53:21 +00:00
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2001-09-25 23:23:09 +00:00
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#include "display/gimpdisplay.h"
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2001-10-31 21:20:09 +00:00
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#include "display/gimpdisplayshell.h"
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2001-11-02 09:31:21 +00:00
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#include "display/gimpdisplayshell-scale.h"
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2001-01-24 22:36:18 +00:00
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2003-08-22 01:42:57 +00:00
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#include "widgets/gimphelp-ids.h"
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2002-12-19 16:33:29 +00:00
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#include "widgets/gimpwidgets-utils.h"
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2002-03-18 22:26:41 +00:00
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2003-02-05 14:39:40 +00:00
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#include "gimpmagnifyoptions.h"
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2001-03-08 01:07:03 +00:00
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#include "gimpmagnifytool.h"
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2003-04-15 16:05:52 +00:00
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#include "gimptoolcontrol.h"
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1997-11-24 22:05:25 +00:00
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2003-03-25 16:38:19 +00:00
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#include "gimp-intl.h"
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1998-12-16 00:37:09 +00:00
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1997-11-24 22:05:25 +00:00
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2001-11-08 19:14:51 +00:00
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static void gimp_magnify_tool_button_press (GimpTool *tool,
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GimpCoords *coords,
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guint32 time,
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2006-04-12 12:49:29 +00:00
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GdkModifierType state,
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GimpDisplay *display);
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2001-11-08 19:14:51 +00:00
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static void gimp_magnify_tool_button_release (GimpTool *tool,
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GimpCoords *coords,
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guint32 time,
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2006-04-12 12:49:29 +00:00
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GdkModifierType state,
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GimpDisplay *display);
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2001-11-08 19:14:51 +00:00
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static void gimp_magnify_tool_motion (GimpTool *tool,
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GimpCoords *coords,
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guint32 time,
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2006-04-12 12:49:29 +00:00
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GdkModifierType state,
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GimpDisplay *display);
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2001-11-08 19:14:51 +00:00
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static void gimp_magnify_tool_modifier_key (GimpTool *tool,
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GdkModifierType key,
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gboolean press,
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2006-04-12 12:49:29 +00:00
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GdkModifierType state,
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GimpDisplay *display);
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2001-11-08 19:14:51 +00:00
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static void gimp_magnify_tool_cursor_update (GimpTool *tool,
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GimpCoords *coords,
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2006-04-12 12:49:29 +00:00
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GdkModifierType state,
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GimpDisplay *display);
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2001-11-08 19:14:51 +00:00
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static void gimp_magnify_tool_draw (GimpDrawTool *draw_tool);
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2000-12-31 04:07:42 +00:00
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2006-05-15 09:46:31 +00:00
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G_DEFINE_TYPE (GimpMagnifyTool, gimp_magnify_tool, GIMP_TYPE_DRAW_TOOL)
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2001-03-03 16:22:18 +00:00
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2005-12-13 09:13:50 +00:00
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#define parent_class gimp_magnify_tool_parent_class
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2001-03-03 16:22:18 +00:00
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2001-11-20 13:53:21 +00:00
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2001-03-03 16:22:18 +00:00
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void
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2002-03-29 03:50:29 +00:00
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gimp_magnify_tool_register (GimpToolRegisterCallback callback,
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2002-05-03 11:31:08 +00:00
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gpointer data)
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2001-03-03 16:22:18 +00:00
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{
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2002-03-29 03:50:29 +00:00
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(* callback) (GIMP_TYPE_MAGNIFY_TOOL,
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2003-02-05 14:39:40 +00:00
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GIMP_TYPE_MAGNIFY_OPTIONS,
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gimp_magnify_options_gui,
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2003-06-28 11:20:37 +00:00
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0,
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2006-02-20 12:49:46 +00:00
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"gimp-zoom-tool",
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_("Zoom"),
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2006-09-18 18:00:22 +00:00
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_("Zoom Tool: Adjust the zoom level"),
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2006-06-27 20:11:31 +00:00
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N_("tool|_Zoom"), "Z",
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2003-08-22 01:42:57 +00:00
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NULL, GIMP_HELP_TOOL_ZOOM,
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2002-03-29 03:50:29 +00:00
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GIMP_STOCK_TOOL_ZOOM,
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2002-05-03 11:31:08 +00:00
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data);
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2001-03-03 16:22:18 +00:00
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}
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static void
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gimp_magnify_tool_class_init (GimpMagnifyToolClass *klass)
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{
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2004-06-04 23:08:29 +00:00
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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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2001-03-03 16:22:18 +00:00
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tool_class->button_press = gimp_magnify_tool_button_press;
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tool_class->button_release = gimp_magnify_tool_button_release;
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tool_class->motion = gimp_magnify_tool_motion;
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tool_class->modifier_key = gimp_magnify_tool_modifier_key;
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tool_class->cursor_update = gimp_magnify_tool_cursor_update;
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draw_tool_class->draw = gimp_magnify_tool_draw;
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}
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static void
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gimp_magnify_tool_init (GimpMagnifyTool *magnify_tool)
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{
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2004-06-04 23:08:29 +00:00
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GimpTool *tool = GIMP_TOOL (magnify_tool);
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2001-03-03 16:22:18 +00:00
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magnify_tool->x = 0;
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magnify_tool->y = 0;
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magnify_tool->w = 0;
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magnify_tool->h = 0;
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2001-11-08 19:14:51 +00:00
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2002-05-02 21:03:27 +00:00
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gimp_tool_control_set_scroll_lock (tool->control, TRUE);
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2005-11-23 19:14:05 +00:00
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gimp_tool_control_set_handle_empty_image (tool->control, TRUE);
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2002-05-02 21:03:27 +00:00
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gimp_tool_control_set_snap_to (tool->control, FALSE);
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2002-09-27 15:51:57 +00:00
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2002-06-16 17:13:39 +00:00
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gimp_tool_control_set_cursor (tool->control,
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2005-11-19 22:16:34 +00:00
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GIMP_CURSOR_MOUSE);
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2002-06-16 17:13:39 +00:00
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gimp_tool_control_set_tool_cursor (tool->control,
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2004-06-04 23:08:29 +00:00
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GIMP_TOOL_CURSOR_ZOOM);
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2002-06-16 17:13:39 +00:00
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gimp_tool_control_set_cursor_modifier (tool->control,
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GIMP_CURSOR_MODIFIER_PLUS);
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gimp_tool_control_set_toggle_cursor_modifier (tool->control,
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GIMP_CURSOR_MODIFIER_MINUS);
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2001-03-03 16:22:18 +00:00
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}
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1997-11-24 22:05:25 +00:00
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static void
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2001-11-08 19:14:51 +00:00
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gimp_magnify_tool_button_press (GimpTool *tool,
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GimpCoords *coords,
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guint32 time,
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2006-04-12 12:49:29 +00:00
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GdkModifierType state,
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GimpDisplay *display)
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1997-11-24 22:05:25 +00:00
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{
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2004-06-04 23:08:29 +00:00
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GimpMagnifyTool *magnify = GIMP_MAGNIFY_TOOL (tool);
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1997-11-24 22:05:25 +00:00
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2001-11-08 19:14:51 +00:00
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magnify->x = coords->x;
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magnify->y = coords->y;
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1997-11-24 22:05:25 +00:00
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magnify->w = 0;
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magnify->h = 0;
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2002-05-03 11:31:08 +00:00
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gimp_tool_control_activate (tool->control);
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2006-03-28 17:55:52 +00:00
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tool->display = display;
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2001-11-08 19:14:51 +00:00
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2006-03-28 17:55:52 +00:00
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gimp_draw_tool_start (GIMP_DRAW_TOOL (tool), display);
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1997-11-24 22:05:25 +00:00
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}
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static void
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2001-11-08 19:14:51 +00:00
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gimp_magnify_tool_button_release (GimpTool *tool,
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GimpCoords *coords,
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guint32 time,
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2006-04-12 12:49:29 +00:00
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GdkModifierType state,
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GimpDisplay *display)
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1997-11-24 22:05:25 +00:00
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{
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2004-06-04 23:08:29 +00:00
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GimpMagnifyTool *magnify = GIMP_MAGNIFY_TOOL (tool);
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2006-09-05 18:25:31 +00:00
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GimpMagnifyOptions *options = GIMP_MAGNIFY_TOOL_GET_OPTIONS (tool);
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2003-02-05 14:39:40 +00:00
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GimpDisplayShell *shell;
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2005-09-25 17:03:03 +00:00
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gdouble current;
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2000-12-31 04:07:42 +00:00
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2006-03-28 17:55:52 +00:00
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shell = GIMP_DISPLAY_SHELL (tool->display->shell);
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2001-10-31 21:20:09 +00:00
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2001-03-03 16:22:18 +00:00
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gimp_draw_tool_stop (GIMP_DRAW_TOOL (tool));
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2003-01-03 13:59:23 +00:00
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gimp_tool_control_halt (tool->control);
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1997-11-24 22:05:25 +00:00
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/* First take care of the case where the user "cancels" the action */
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2001-11-08 19:14:51 +00:00
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if (! (state & GDK_BUTTON3_MASK))
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1997-11-24 22:05:25 +00:00
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{
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2004-06-04 23:08:29 +00:00
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gint x1, y1, x2, y2, w, h;
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gint win_width, win_height;
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gint offset_x, offset_y;
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2004-01-29 22:22:29 +00:00
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gdouble new_scale;
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2003-05-05 14:48:15 +00:00
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x1 = (magnify->w < 0) ? magnify->x + magnify->w : magnify->x;
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y1 = (magnify->h < 0) ? magnify->y + magnify->h : magnify->y;
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2001-11-02 10:55:10 +00:00
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w = (magnify->w < 0) ? -magnify->w : magnify->w;
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h = (magnify->h < 0) ? -magnify->h : magnify->h;
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1997-11-24 22:05:25 +00:00
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x2 = x1 + w;
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y2 = y1 + h;
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2001-11-02 09:31:21 +00:00
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win_width = shell->disp_width;
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win_height = shell->disp_height;
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1997-11-24 22:05:25 +00:00
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2005-09-25 17:03:03 +00:00
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current = gimp_zoom_model_get_factor (shell->zoom);
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2001-12-28 17:36:58 +00:00
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/* we need to compute the mouse movement in screen coordinates */
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2003-08-22 01:42:57 +00:00
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if ((SCALEX (shell, w) < options->threshold) ||
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2003-05-05 14:48:15 +00:00
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(SCALEY (shell, h) < options->threshold))
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{
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2005-09-25 17:03:03 +00:00
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new_scale = gimp_zoom_model_zoom_step (options->zoom_type, current);
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2003-05-05 14:48:15 +00:00
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}
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1997-11-24 22:05:25 +00:00
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else
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2003-05-05 14:48:15 +00:00
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{
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gint width, height;
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2003-05-09 19:57:38 +00:00
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gdouble scale = 1.0;
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2003-05-05 14:48:15 +00:00
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width = UNSCALEX (shell, win_width);
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height = UNSCALEY (shell, win_height);
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switch (options->zoom_type)
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{
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case GIMP_ZOOM_IN:
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scale = MIN (((gdouble) width / (gdouble) w),
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((gdouble) height / (gdouble) h));
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break;
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1997-11-24 22:05:25 +00:00
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2003-05-05 14:48:15 +00:00
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case GIMP_ZOOM_OUT:
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scale = MIN (((gdouble) w / (gdouble) width),
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((gdouble) h / (gdouble) height));
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break;
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2004-06-04 23:08:29 +00:00
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2005-09-25 17:03:03 +00:00
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default:
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2004-01-29 22:22:29 +00:00
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break;
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2003-05-05 14:48:15 +00:00
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}
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2000-03-01 19:32:41 +00:00
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2005-09-25 17:03:03 +00:00
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new_scale = current * scale;
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2003-05-05 14:48:15 +00:00
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}
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2005-06-04 14:57:06 +00:00
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offset_x = (new_scale * ((x1 + x2) / 2)
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2006-03-28 17:55:52 +00:00
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* SCREEN_XRES (shell) / display->image->xresolution
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2005-06-04 14:57:06 +00:00
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- (win_width / 2));
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offset_y = (new_scale * ((y1 + y2) / 2)
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2006-03-28 17:55:52 +00:00
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* SCREEN_YRES (shell) / display->image->yresolution
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2005-06-04 14:57:06 +00:00
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- (win_height / 2));
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1997-11-24 22:05:25 +00:00
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2002-02-17 11:46:39 +00:00
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gimp_display_shell_scale_by_values (shell,
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2004-01-29 22:22:29 +00:00
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new_scale,
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2003-05-05 14:48:15 +00:00
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offset_x, offset_y,
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2004-05-10 17:02:20 +00:00
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options->auto_resize);
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1997-11-24 22:05:25 +00:00
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}
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}
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static void
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2001-11-08 19:14:51 +00:00
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gimp_magnify_tool_motion (GimpTool *tool,
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GimpCoords *coords,
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guint32 time,
|
2006-04-12 12:49:29 +00:00
|
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GdkModifierType state,
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GimpDisplay *display)
|
1997-11-24 22:05:25 +00:00
|
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{
|
2004-06-04 23:08:29 +00:00
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GimpMagnifyTool *magnify = GIMP_MAGNIFY_TOOL (tool);
|
1997-11-24 22:05:25 +00:00
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|
2001-03-03 16:22:18 +00:00
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gimp_draw_tool_pause (GIMP_DRAW_TOOL (tool));
|
1997-11-24 22:05:25 +00:00
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2002-08-06 10:55:40 +00:00
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magnify->w = (coords->x - magnify->x);
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magnify->h = (coords->y - magnify->y);
|
1997-11-24 22:05:25 +00:00
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|
2001-03-03 16:22:18 +00:00
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gimp_draw_tool_resume (GIMP_DRAW_TOOL (tool));
|
1997-11-24 22:05:25 +00:00
|
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|
}
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2000-03-01 19:32:41 +00:00
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static void
|
2001-11-08 19:14:51 +00:00
|
|
|
gimp_magnify_tool_modifier_key (GimpTool *tool,
|
|
|
|
GdkModifierType key,
|
|
|
|
gboolean press,
|
2006-04-12 12:49:29 +00:00
|
|
|
GdkModifierType state,
|
|
|
|
GimpDisplay *display)
|
2000-03-01 19:32:41 +00:00
|
|
|
{
|
2006-09-05 18:25:31 +00:00
|
|
|
GimpMagnifyOptions *options = GIMP_MAGNIFY_TOOL_GET_OPTIONS (tool);
|
2001-11-20 13:53:21 +00:00
|
|
|
|
2001-11-08 19:14:51 +00:00
|
|
|
if (key == GDK_CONTROL_MASK)
|
2000-03-01 19:32:41 +00:00
|
|
|
{
|
2003-02-07 17:12:21 +00:00
|
|
|
switch (options->zoom_type)
|
2001-11-08 19:14:51 +00:00
|
|
|
{
|
|
|
|
case GIMP_ZOOM_IN:
|
2003-02-28 01:14:30 +00:00
|
|
|
g_object_set (options, "zoom-type", GIMP_ZOOM_OUT, NULL);
|
2001-11-08 19:14:51 +00:00
|
|
|
break;
|
2003-02-07 17:12:21 +00:00
|
|
|
|
2001-11-08 19:14:51 +00:00
|
|
|
case GIMP_ZOOM_OUT:
|
2003-02-28 01:14:30 +00:00
|
|
|
g_object_set (options, "zoom-type", GIMP_ZOOM_IN, NULL);
|
2001-11-08 19:14:51 +00:00
|
|
|
break;
|
2003-02-07 17:12:21 +00:00
|
|
|
|
2001-11-08 19:14:51 +00:00
|
|
|
default:
|
|
|
|
break;
|
|
|
|
}
|
2000-03-01 19:32:41 +00:00
|
|
|
}
|
|
|
|
}
|
2001-03-03 16:22:18 +00:00
|
|
|
|
1997-11-24 22:05:25 +00:00
|
|
|
static void
|
2001-11-08 19:14:51 +00:00
|
|
|
gimp_magnify_tool_cursor_update (GimpTool *tool,
|
|
|
|
GimpCoords *coords,
|
2006-04-12 12:49:29 +00:00
|
|
|
GdkModifierType state,
|
|
|
|
GimpDisplay *display)
|
1997-11-24 22:05:25 +00:00
|
|
|
{
|
2006-09-05 18:25:31 +00:00
|
|
|
GimpMagnifyOptions *options = GIMP_MAGNIFY_TOOL_GET_OPTIONS (tool);
|
2001-11-20 13:53:21 +00:00
|
|
|
|
2005-11-23 19:14:05 +00:00
|
|
|
gimp_tool_control_set_toggled (tool->control,
|
|
|
|
options->zoom_type == GIMP_ZOOM_OUT);
|
2001-10-31 21:20:09 +00:00
|
|
|
|
2006-03-28 17:55:52 +00:00
|
|
|
GIMP_TOOL_CLASS (parent_class)->cursor_update (tool, coords, state, display);
|
1997-11-24 22:05:25 +00:00
|
|
|
}
|
|
|
|
|
2001-03-03 16:22:18 +00:00
|
|
|
static void
|
|
|
|
gimp_magnify_tool_draw (GimpDrawTool *draw_tool)
|
1997-11-24 22:05:25 +00:00
|
|
|
{
|
2006-09-05 18:25:31 +00:00
|
|
|
GimpMagnifyTool *magnify = GIMP_MAGNIFY_TOOL (draw_tool);
|
1997-11-24 22:05:25 +00:00
|
|
|
|
2001-11-12 14:45:58 +00:00
|
|
|
gimp_draw_tool_draw_rectangle (draw_tool,
|
|
|
|
FALSE,
|
|
|
|
magnify->x,
|
|
|
|
magnify->y,
|
|
|
|
magnify->w,
|
|
|
|
magnify->h,
|
|
|
|
FALSE);
|
1997-11-24 22:05:25 +00:00
|
|
|
}
|