/usr/include/gwyddion/libgwydgets/gwydataview.h is in libgwyddion20-dev 2.44-1.
This file is owned by root:root, with mode 0o644.
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* @(#) $Id: gwydataview.h 15598 2013-11-11 12:33:32Z yeti-dn $
* Copyright (C) 2003 David Necas (Yeti), Petr Klapetek.
* E-mail: yeti@gwyddion.net, klapetek@gwyddion.net.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#ifndef __GWY_DATA_VIEW_H__
#define __GWY_DATA_VIEW_H__
#include <gdk-pixbuf/gdk-pixbuf.h>
#include <gtk/gtkwidget.h>
#include <libgwyddion/gwycontainer.h>
#include <libgwydgets/gwydgetenums.h>
#include <libgwydgets/gwyvectorlayer.h>
#include <libgwydgets/gwypixmaplayer.h>
G_BEGIN_DECLS
#define GWY_TYPE_DATA_VIEW (gwy_data_view_get_type())
#define GWY_DATA_VIEW(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj), GWY_TYPE_DATA_VIEW, GwyDataView))
#define GWY_DATA_VIEW_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass), GWY_TYPE_DATA_VIEW, GwyDataViewClass))
#define GWY_IS_DATA_VIEW(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj), GWY_TYPE_DATA_VIEW))
#define GWY_IS_DATA_VIEW_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass), GWY_TYPE_DATA_VIEW))
#define GWY_DATA_VIEW_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS((obj), GWY_TYPE_DATA_VIEW, GwyDataViewClass))
typedef struct _GwyDataView GwyDataView;
typedef struct _GwyDataViewClass GwyDataViewClass;
struct _GwyDataView {
GtkWidget widget;
GwyContainer *data;
GQuark data_prefix;
gulong square_hid;
GwyPixmapLayer *base_layer;
GwyPixmapLayer *alpha_layer;
GwyVectorLayer *top_layer;
gulong base_hid;
gulong alpha_hid;
gulong top_hid;
gboolean layers_changed;
gboolean size_requested;
gdouble zoom; /* real zoom (larger number means larger pixmaps) */
gdouble newzoom; /* requested (ideal) zoom value */
gdouble xmeasure; /* physical units per pixel */
gdouble ymeasure; /* physical units per pixel */
gint xoff; /* x offset of the pixbuf from widget->allocation.x */
gint yoff; /* y offset of the pixbuf from widget->allocation.y */
gboolean realsquare;
gint xres;
gint yres;
gdouble xreal;
gdouble yreal;
GdkPixbuf *pixbuf; /* everything, this is drawn on the screen */
GdkPixbuf *base_pixbuf; /* unscaled base (lower layers) */
gpointer reserved1;
gpointer reserved2;
};
struct _GwyDataViewClass {
GtkWidgetClass parent_class;
/* Signals */
void (*redrawn)(GwyDataView *data_view);
void (*resized)(GwyDataView *data_view);
void (*layer_plugged)(GwyDataView *data_view,
GwyDataViewLayerType layer);
void (*layer_unplugged)(GwyDataView *data_view,
GwyDataViewLayerType layer);
void (*reserved1)(void);
void (*reserved2)(void);
};
GType gwy_data_view_get_type (void) G_GNUC_CONST;
GtkWidget* gwy_data_view_new (GwyContainer *data);
GwyPixmapLayer* gwy_data_view_get_base_layer (GwyDataView *data_view);
void gwy_data_view_set_base_layer (GwyDataView *data_view,
GwyPixmapLayer *layer);
GwyPixmapLayer* gwy_data_view_get_alpha_layer (GwyDataView *data_view);
void gwy_data_view_set_alpha_layer (GwyDataView *data_view,
GwyPixmapLayer *layer);
GwyVectorLayer* gwy_data_view_get_top_layer (GwyDataView *data_view);
void gwy_data_view_set_top_layer (GwyDataView *data_view,
GwyVectorLayer *layer);
const gchar* gwy_data_view_get_data_prefix (GwyDataView *data_view);
void gwy_data_view_set_data_prefix (GwyDataView *data_view,
const gchar *prefix);
gdouble gwy_data_view_get_hexcess (GwyDataView* data_view);
gdouble gwy_data_view_get_vexcess (GwyDataView* data_view);
void gwy_data_view_set_zoom (GwyDataView *data_view,
gdouble zoom);
gdouble gwy_data_view_get_zoom (GwyDataView *data_view);
gdouble gwy_data_view_get_real_zoom (GwyDataView *data_view);
GwyContainer* gwy_data_view_get_data (GwyDataView *data_view);
void gwy_data_view_coords_xy_clamp (GwyDataView *data_view,
gint *xscr,
gint *yscr);
void gwy_data_view_coords_xy_cut_line (GwyDataView *data_view,
gint *x0scr,
gint *y0scr,
gint *x1scr,
gint *y1scr);
void gwy_data_view_coords_xy_to_real (GwyDataView *data_view,
gint xscr,
gint yscr,
gdouble *xreal,
gdouble *yreal);
void gwy_data_view_coords_real_to_xy (GwyDataView *data_view,
gdouble xreal,
gdouble yreal,
gint *xscr,
gint *yscr);
gdouble gwy_data_view_get_xmeasure (GwyDataView *data_view);
gdouble gwy_data_view_get_ymeasure (GwyDataView *data_view);
void gwy_data_view_get_pixel_data_sizes (GwyDataView *data_view,
gint *xres,
gint *yres);
void gwy_data_view_get_real_data_sizes (GwyDataView *data_view,
gdouble *xreal,
gdouble *yreal);
void gwy_data_view_get_real_data_offsets(GwyDataView *data_view,
gdouble *xoffset,
gdouble *yoffset);
void gwy_data_view_get_metric (GwyDataView *data_view,
gdouble *metric);
GdkPixbuf* gwy_data_view_get_pixbuf (GwyDataView *data_view,
gint max_width,
gint max_height);
GdkPixbuf* gwy_data_view_export_pixbuf (GwyDataView *data_view,
gdouble zoom,
gboolean draw_alpha,
gboolean draw_top);
G_END_DECLS
#endif /* __GWY_DATA_VIEW_H__ */
/* vim: set cin et ts=4 sw=4 cino=>1s,e0,n0,f0,{0,}0,^0,\:1s,=0,g1s,h0,t0,+1s,c3,(0,u0 : */
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