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a1a1705b60
2003-04-01 Michael Natterer <mitch@gimp.org> * app/core/gimpmarshal.list: added VOID__DOUBLE_DOUBLE * app/widgets/gimpnavigationpreview.[ch]: applied patch from Pedro Gimeno that fixes mapping of preview scroll offsets to image scroll offsets. Changed the x, y, width, height members from gint to gdouble. Changed the external API to use exact doubles instead of rounded ints. * app/display/gimpnavigationview.c: speak to the navigation preview in exact double values. Alltogether fixes bug #109648.
89 lines
3.2 KiB
C
89 lines
3.2 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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* GimpNavigationPreview Widget
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* Copyright (C) 2001-2002 Michael Natterer <mitch@gimp.org>
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*
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* partly based on app/nav_window
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* Copyright (C) 1999 Andy Thomas <alt@gimp.org>
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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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#ifndef __GIMP_NAVIGATION_PREVIEW_H__
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#define __GIMP_NAVIGATION_PREVIEW_H__
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#include "gimppreview.h"
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#define GIMP_TYPE_NAVIGATION_PREVIEW (gimp_navigation_preview_get_type ())
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#define GIMP_NAVIGATION_PREVIEW(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GIMP_TYPE_NAVIGATION_PREVIEW, GimpNavigationPreview))
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#define GIMP_NAVIGATION_PREVIEW_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GIMP_TYPE_NAVIGATION_PREVIEW, GimpNavigationPreviewClass))
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#define GIMP_IS_NAVIGATION_PREVIEW(obj) (G_TYPE_CHECK_INSTANCE_TYPE (obj, GIMP_TYPE_NAVIGATION_PREVIEW))
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#define GIMP_IS_NAVIGATION_PREVIEW_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GIMP_TYPE_NAVIGATION_PREVIEW))
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#define GIMP_NAVIGATION_PREVIEW_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GIMP_TYPE_NAVIGATION_PREVIEW, GimpNavigationPreviewClass))
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typedef struct _GimpNavigationPreviewClass GimpNavigationPreviewClass;
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struct _GimpNavigationPreview
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{
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GimpPreview parent_instance;
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/* values in image coordinates */
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gdouble x;
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gdouble y;
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gdouble width;
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gdouble height;
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/* values in preview coordinates */
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gint p_x;
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gint p_y;
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gint p_width;
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gint p_height;
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gint motion_offset_x;
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gint motion_offset_y;
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gboolean has_grab;
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GdkGC *gc;
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};
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struct _GimpNavigationPreviewClass
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{
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GimpPreviewClass parent_class;
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void (* marker_changed) (GimpNavigationPreview *preview,
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gdouble x,
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gdouble y);
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void (* zoom) (GimpNavigationPreview *preview,
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GimpZoomType direction);
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void (* scroll) (GimpNavigationPreview *preview,
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GdkScrollDirection direction);
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};
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GType gimp_navigation_preview_get_type (void) G_GNUC_CONST;
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void gimp_navigation_preview_set_marker (GimpNavigationPreview *preview,
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gdouble x,
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gdouble y,
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gdouble width,
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gdouble height);
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void gimp_navigation_preview_grab_pointer (GimpNavigationPreview *preview);
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#endif /* __GIMP_NAVIGATION_PREVIEW_H__ */
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