/usr/include/gtkimageview/gtkimageview.h is in libgtkimageview-dev 1.6.4-1.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 | /* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4; coding: utf-8 -*-
*
* Copyright © 2007-2008 Björn Lindqvist <bjourne@gmail.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public License
* as published by the Free Software Foundation; either version 2, or
* (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
* 02111-1307, USA.
*/
#ifndef __GTK_IMAGE_VIEW_H__
#define __GTK_IMAGE_VIEW_H__
#include <gdk/gdk.h>
#include <gtk/gtk.h>
#include "gtkiimagetool.h"
G_BEGIN_DECLS
#define GTK_TYPE_IMAGE_VIEW (gtk_image_view_get_type ())
#define GTK_IMAGE_VIEW(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GTK_TYPE_IMAGE_VIEW, GtkImageView))
#define GTK_IMAGE_VIEW_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GTK_TYPE_IMAGE_VIEW, GtkImageViewClass))
#define GTK_IS_IMAGE_VIEW(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GTK_TYPE_IMAGE_VIEW))
#define GTK_IS_IMAGE_VIEW_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GTK_TYPE_IMAGE_VIEW))
#define GTK_IMAGE_VIEW_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GTK_TYPE_IMAGE_VIEW, GtkImageViewClass))
typedef struct _GtkImageView GtkImageView;
typedef struct _GtkImageViewClass GtkImageViewClass;
/**
* GtkImageTransp:
*
* This enum defines the valid transparency settings for how the image
* view should draw transparent parts of alpha images. Their primary
* use is as a value for the first parameter to the
* gtk_image_view_set_transp() method.
*
* Their interpretation is as follows:
*
* <itemizedlist>
* <listitem>GTK_IMAGE_TRANSP_COLOR : Use a single color.</listitem>
* <listitem>GTK_IMAGE_TRANSP_BACKGROUND : Use the background color
* of the widget</listitem>
* <listitem>GTK_IMAGE_TRANSP_GRID : Use light and dark gray
* checkerboard pattern.</listitem>
* </itemizedlist>
**/
typedef enum
{
GTK_IMAGE_TRANSP_COLOR = 0,
GTK_IMAGE_TRANSP_BACKGROUND,
GTK_IMAGE_TRANSP_GRID
} GtkImageTransp;
/**
* GtkImageView:
*
* GtkImageView is the main class in the library. All of its fields
* are private, they are only shown here for completeness. Use
* gtk_image_view_new() to instantiate GtkImageView objects.
**/
struct _GtkImageView
{
GtkWidget parent;
/* Private */
gboolean black_bg;
gboolean is_rendering;
GdkInterpType interp;
gboolean fitting;
GdkPixbuf *pixbuf;
gdouble zoom;
/* Offset in zoom space coordinates of the image area in the
widget. */
int offset_x;
int offset_y;
gboolean show_frame;
gboolean show_cursor;
GdkCursor *void_cursor;
GtkAdjustment *hadj;
GtkAdjustment *vadj;
GtkIImageTool *tool;
GtkImageTransp transp;
int check_color1;
int check_color2;
};
struct _GtkImageViewClass
{
GtkWidgetClass parent_class;
/* Keybinding signals. */
void (* set_zoom) (GtkImageView *view,
gdouble zoom);
void (* zoom_in) (GtkImageView *view);
void (* zoom_out) (GtkImageView *view);
void (* set_fitting) (GtkImageView *view,
gboolean fitting);
void (* scroll) (GtkImageView *view,
GtkScrollType xscroll,
GtkScrollType yscroll);
/* Non-keybinding signals. */
void (* mouse_wheel_scroll) (GtkImageView *view,
GdkScrollDirection direction);
void (* set_scroll_adjustments) (GtkImageView *view,
GtkAdjustment *hadj,
GtkAdjustment *vadj);
void (* zoom_changed) (GtkImageView *view);
void (* pixbuf_changed) (GtkImageView *view);
};
GType gtk_image_view_get_type (void) G_GNUC_CONST;
/* Constructors */
GtkWidget *gtk_image_view_new (void);
/* Read-only properties */
gboolean gtk_image_view_get_viewport (GtkImageView *view,
GdkRectangle *rect);
gboolean gtk_image_view_get_draw_rect (GtkImageView *view,
GdkRectangle *rect);
void gtk_image_view_get_check_colors (GtkImageView *view,
int *check_color1,
int *check_color2);
gboolean gtk_image_view_image_to_widget_rect (GtkImageView *view,
GdkRectangle *rect_in,
GdkRectangle *rect_out);
/* Write-only properties */
void gtk_image_view_set_offset (GtkImageView *view,
gdouble x,
gdouble y,
gboolean invalidate);
void gtk_image_view_set_transp (GtkImageView *view,
GtkImageTransp transp,
int transp_color);
/* Read-write properties */
gboolean gtk_image_view_get_fitting (GtkImageView *view);
void gtk_image_view_set_fitting (GtkImageView *view,
gboolean fitting);
GdkPixbuf *gtk_image_view_get_pixbuf (GtkImageView *view);
void gtk_image_view_set_pixbuf (GtkImageView *view,
GdkPixbuf *pixbuf,
gboolean reset_fit);
gdouble gtk_image_view_get_zoom (GtkImageView *view);
void gtk_image_view_set_zoom (GtkImageView *view,
gdouble zoom);
void gtk_image_view_set_black_bg (GtkImageView *view,
gboolean black_bg);
gboolean gtk_image_view_get_black_bg (GtkImageView *view);
void gtk_image_view_set_show_frame (GtkImageView *view,
gboolean show_frame);
gboolean gtk_image_view_get_show_frame (GtkImageView *view);
void gtk_image_view_set_interpolation (GtkImageView *view,
GdkInterpType interp);
GdkInterpType gtk_image_view_get_interpolation (GtkImageView *view);
void gtk_image_view_set_show_cursor (GtkImageView *view,
gboolean show_cursor);
gboolean gtk_image_view_get_show_cursor (GtkImageView *view);
void gtk_image_view_set_tool (GtkImageView *view,
GtkIImageTool *tool);
GtkIImageTool *gtk_image_view_get_tool (GtkImageView *view);
/* Actions */
void gtk_image_view_zoom_in (GtkImageView *view);
void gtk_image_view_zoom_out (GtkImageView *view);
void gtk_image_view_damage_pixels (GtkImageView *view,
GdkRectangle *rect);
/* Version info */
const char *gtk_image_view_library_version (void);
G_END_DECLS
#endif
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