# magnifier.h File Reference

`#include "GNOME_Magnifier.h"`
`#include <glib.h>`
`#include <gdk/gdk.h>`
`#include <bonobo/bonobo-object.h>`
`#include <bonobo/bonobo-property-bag.h>`
`#include <login-helper/login-helper.h>`
`#include <dbus/dbus-glib.h>`

Go to the source code of this file.

## Data Structures
struct | RectBounds
struct | Point
struct | Magnifier
struct | MagnifierClass
struct | timing
## Defines
#define | MAGNIFIER_TYPE (magnifier_get_type ())
#define | MAGNIFIER(o) (G_TYPE_CHECK_INSTANCE_CAST ((o), MAGNIFIER_TYPE, Magnifier))
#define | MAGNIFIER_CLASS(k) (G_TYPE_CHECK_CLASS_CAST((k), MAGNIFIER_TYPE, MagnifierClass))
#define | IS_MAGNIFIER(o) (G_TYPE_CHECK_INSTANCE_TYPE ((o), MAGNIFIER_TYPE))
#define | IS_MAGNIFIER_CLASS(k) (G_TYPE_CHECK_CLASS_TYPE ((k), MAGNIFIER_TYPE))
#define | MAGNIFIER_GET_CLASS(o) (G_TYPE_INSTANCE_GET_CLASS ((o), MAGNIFIER_TYPE, MagnifierClass))
#define | MAGNIFIER_OAFIID "OAFIID:GNOME_Magnifier_Magnifier:0.9"
## Typedefs
typedef struct _MagnifierPrivate | MagnifierPrivate
typedef struct timing | TimingStruct
## Functions
GdkDrawable * | magnifier_get_cursor (Magnifier *magnifier)
GType | magnifier_get_type (void)
GdkWindow * | magnifier_get_root (Magnifier *magnifier)
Magnifier * | magnifier_new (gboolean override_redirect)
void | magnifier_notify_damage (Magnifier *magnifier, GdkRectangle *rect)
void | magnifier_set_cursor_from_pixbuf (Magnifier *magnifier, GdkPixbuf *pointer_pixbuf)
void | magnifier_set_cursor_pixmap_by_name (Magnifier *magnifier, const gchar *cursor_name, gboolean source_fallback)
void | magnifier_transform_cursor (Magnifier *magnifier)
void | magnifier_zoom_regions_update_pointer (Magnifier *magnifier)
gboolean | magnifier_full_screen_capable (Magnifier *magnifier)
gboolean | impl_dbus_magnifier_full_screen_capable (Magnifier *magnifier)
gboolean | impl_dbus_magnifier_hide_cursor (Magnifier *magnifier)
gboolean | impl_dbus_magnifier_show_cursor (Magnifier *magnifier)
gboolean | impl_dbus_magnifier_support_colorblind_filters (Magnifier *magnifier)
gchar * | impl_dbus_magnifier_create_zoom_region (Magnifier *magnifier, const double zx, const double zy, const gint32 **roi, const gint32 **viewport)
gchar ** | impl_dbus_magnifier_get_zoom_regions (Magnifier *magnifier)
gboolean | impl_dbus_magnifier_add_zoom_region (Magnifier *magnifier, gchar *zoom_region_path)
gboolean | impl_dbus_magnifier_clear_all_zoom_regions (Magnifier *magnifier)
gboolean | impl_dbus_magnifier_dispose (Magnifier *magnifier)
gboolean | impl_dbus_magnifier_set_source_display (Magnifier *magnifier, gchar *source_display)
gchar * | impl_dbus_magnifier_get_source_display (Magnifier *magnifier)
gboolean | impl_dbus_magnifier_set_target_display (Magnifier *magnifier, gchar *target_display)
gchar * | impl_dbus_magnifier_get_target_display (Magnifier *magnifier)
gboolean | impl_dbus_magnifier_set_source_size (Magnifier *magnifier, gint32 **bounds)
GArray * | impl_dbus_magnifier_get_source_size (Magnifier *magnifier)
gboolean | impl_dbus_magnifier_set_target_size (Magnifier *magnifier, gint32 **bounds)
GArray * | impl_dbus_magnifier_get_target_size (Magnifier *magnifier)
gboolean | impl_dbus_magnifier_set_cursor_set (Magnifier *magnifier, gchar *cursor_set)
gchar * | impl_dbus_magnifier_get_cursor_set (Magnifier *magnifier)
gboolean | impl_dbus_magnifier_set_cursor_size (Magnifier *magnifier, gint x, gint y)
GArray * | impl_dbus_magnifier_get_cursor_size (Magnifier *magnifier)
gboolean | impl_dbus_magnifier_set_cursor_zoom (Magnifier *magnifier, double factor)
double | impl_dbus_magnifier_get_cursor_zoom (Magnifier *magnifier)
gboolean | impl_dbus_magnifier_set_cursor_color (Magnifier *magnifier, guint32 color)
guint32 | impl_dbus_magnifier_get_cursor_color (Magnifier *magnifier)
gboolean | impl_dbus_magnifier_set_cursor_hotspot (Magnifier *magnifier, gint32 x, gint32 y)
GArray * | impl_dbus_magnifier_get_cursor_hotspot (Magnifier *magnifier)
gint32 | impl_dbus_magnifier_get_cursor_default_size (Magnifier *magnifier)
gboolean | impl_dbus_magnifier_set_crosswire_size (Magnifier *magnifier, gint size)
gint | impl_dbus_magnifier_get_crosswire_size (Magnifier *magnifier)
gboolean | impl_dbus_magnifier_set_crosswire_length (Magnifier *magnifier, gint length)
gint | impl_dbus_magnifier_get_crosswire_length (Magnifier *magnifier)
gboolean | impl_dbus_magnifier_set_crosswire_clip (Magnifier *magnifier, gboolean clip)
gboolean | impl_dbus_magnifier_get_crosswire_clip (Magnifier *magnifier)
gboolean | impl_dbus_magnifier_set_crosswire_color (Magnifier *magnifier, guint32 color)
guint32 | impl_dbus_magnifier_get_crosswire_color (Magnifier *magnifier)
## Variables
TimingStruct | mag_timing

## Define Documentation

#define MAGNIFIER_TYPE (magnifier_get_type ())

Definition at line 43 of file magnifier.h.

Referenced by magnifier_new().

#define MAGNIFIER | ( | o |  | ) | (G_TYPE_CHECK_INSTANCE_CAST ((o), MAGNIFIER_TYPE, Magnifier))

Definition at line 44 of file magnifier.h.

Referenced by impl_magnifier_add_zoom_region(), impl_magnifier_clear_all_zoom_regions(), impl_magnifier_create_zoom_region(), impl_magnifier_dispose(), impl_magnifier_full_screen_capable(), impl_magnifier_get_properties(), impl_magnifier_get_source_display(), impl_magnifier_get_target_display(), impl_magnifier_get_zoom_regions(), impl_magnifier_hide_cursor(), impl_magnifier_set_source_display(), impl_magnifier_set_target_display(), impl_magnifier_show_cursor(), mag_login_helper_get_raise_windows(), magnifier_gobject_dispose(), and magnifier_reset_struts_at_idle().

#define MAGNIFIER_CLASS | ( | k |  | ) | (G_TYPE_CHECK_CLASS_CAST((k), MAGNIFIER_TYPE, MagnifierClass))

Definition at line 45 of file magnifier.h.

#define IS_MAGNIFIER | ( | o |  | ) | (G_TYPE_CHECK_INSTANCE_TYPE ((o), MAGNIFIER_TYPE))

Definition at line 46 of file magnifier.h.

Referenced by magnifier_main_pan_image(), magnifier_main_refresh_all(), and magnifier_main_test_image().

#define IS_MAGNIFIER_CLASS | ( | k |  | ) | (G_TYPE_CHECK_CLASS_TYPE ((k), MAGNIFIER_TYPE))

Definition at line 47 of file magnifier.h.

#define MAGNIFIER_GET_CLASS | ( | o |  | ) | (G_TYPE_INSTANCE_GET_CLASS ((o), MAGNIFIER_TYPE, MagnifierClass))

Definition at line 48 of file magnifier.h.

Referenced by magnifier_new().

#define MAGNIFIER_OAFIID "OAFIID:GNOME_Magnifier_Magnifier:0.9"

Definition at line 50 of file magnifier.h.

Referenced by magnifier_do_dispose(), and magnifier_new().

## Typedef Documentation

typedef struct _MagnifierPrivate MagnifierPrivate

Definition at line 52 of file magnifier.h.

typedef struct timing TimingStruct

## Function Documentation

GdkDrawable* magnifier_get_cursor | ( | Magnifier * | magnifier | ) |

Definition at line 2296 of file magnifier.c.

References _MagnifierPrivate::cursor, Magnifier::cursor_set, fixes_event_base, magnifier_set_cursor_from_pixbuf(), magnifier_transform_cursor(), and Magnifier::priv.

Referenced by zoom_region_cursor_rect(), zoom_region_paint_crosswire_cursor(), and zoom_region_paint_cursor().

GType magnifier_get_type | ( | void |  | ) |

Referenced by magnifier_new().

GdkWindow* magnifier_get_root | ( | Magnifier * | magnifier | ) |

Definition at line 402 of file magnifier.c.

References Magnifier::priv, _MagnifierPrivate::root, Magnifier::source_display, and Magnifier::source_screen_num.

Referenced by impl_dbus_magnifier_add_zoom_region(), impl_dbus_magnifier_set_source_display(), impl_magnifier_add_zoom_region(), magnifier_main_pan_image(), magnifier_set_property(), and zoom_region_update_pointer().

Magnifier* magnifier_new | ( | gboolean | override_redirect | ) |

Definition at line 2325 of file magnifier.c.

References _is_override_redirect, MagnifierClass::connection, dbus_glib_impl_dbus_magnifier_object_info, mag_login_helper_set_magnifier(), MAGNIFIER_GET_CLASS, magnifier_get_type(), MAGNIFIER_OAFIID, magnifier_reset_struts_at_idle(), and MAGNIFIER_TYPE.

Referenced by main().

void magnifier_notify_damage | ( | Magnifier * | magnifier,
|  | GdkRectangle * | rect |
| ) |  |  |

Definition at line 366 of file magnifier.c.

References magnifier_zoom_regions_mark_dirty(), GNOME_Magnifier_RectBounds_type::x1, GNOME_Magnifier_RectBounds_type::x2, GNOME_Magnifier_RectBounds_type::y1, and GNOME_Magnifier_RectBounds_type::y2.

void magnifier_set_cursor_from_pixbuf | ( | Magnifier * | magnifier,
|  | GdkPixbuf * | pointer_pixbuf |
| ) |  |  |

Definition at line 279 of file magnifier.c.

References _MagnifierPrivate::cursor, _MagnifierPrivate::cursor_default_size_x, _MagnifierPrivate::cursor_default_size_y, Magnifier::cursor_hotspot, _MagnifierPrivate::cursor_hotspot_x, _MagnifierPrivate::cursor_hotspot_y, _MagnifierPrivate::cursor_mask, DBG, Magnifier::priv, _MagnifierPrivate::w, GNOME_Magnifier_Point_type::x, and GNOME_Magnifier_Point_type::y.

Referenced by magnifier_get_cursor(), and magnifier_set_cursor_pixmap_by_name().

void magnifier_set_cursor_pixmap_by_name | ( | Magnifier * | magnifier,
|  | const gchar * | cursor_name,
|  | gboolean | source_fallback |
| ) |  |  |

Definition at line 345 of file magnifier.c.

References magnifier_get_pixbuf_for_name(), and magnifier_set_cursor_from_pixbuf().

Referenced by magnifier_init_cursor_set().

void magnifier_transform_cursor | ( | Magnifier * | magnifier | ) |

Definition at line 734 of file magnifier.c.

References _MagnifierPrivate::cursor, Magnifier::cursor_color, _MagnifierPrivate::cursor_default_size_x, _MagnifierPrivate::cursor_default_size_y, Magnifier::cursor_hotspot, _MagnifierPrivate::cursor_hotspot_x, _MagnifierPrivate::cursor_hotspot_y, _MagnifierPrivate::cursor_mask, Magnifier::cursor_scale_factor, Magnifier::cursor_size_x, Magnifier::cursor_size_y, DBG, magnifier_recolor_pixbuf(), Magnifier::priv, _MagnifierPrivate::w, GNOME_Magnifier_Point_type::x, and GNOME_Magnifier_Point_type::y.

Referenced by impl_dbus_magnifier_set_cursor_color(), impl_dbus_magnifier_set_cursor_hotspot(), impl_dbus_magnifier_set_cursor_size(), impl_dbus_magnifier_set_cursor_zoom(), magnifier_get_cursor(), magnifier_init_cursor_set(), and magnifier_set_property().

void magnifier_zoom_regions_update_pointer | ( | Magnifier * | magnifier | ) |

Definition at line 235 of file magnifier.c.

References GNOME_Magnifier_ZoomRegion_updatePointer(), zoom_region, and Magnifier::zoom_regions.

Referenced by impl_dbus_magnifier_set_crosswire_clip(), impl_dbus_magnifier_set_crosswire_size(), and magnifier_set_property().

gboolean magnifier_full_screen_capable | ( | Magnifier * | magnifier | ) |

Definition at line 463 of file magnifier.c.

References Magnifier::source_display_name, and Magnifier::target_display_name.

Referenced by magnifier_adjust_source_size().

gboolean impl_dbus_magnifier_full_screen_capable | ( | Magnifier * | magnifier | ) |

Definition at line 1671 of file magnifier.c.

References Magnifier::source_display_name, and Magnifier::target_display_name.

gboolean impl_dbus_magnifier_hide_cursor | ( | Magnifier * | magnifier | ) |

Definition at line 1683 of file magnifier.c.

gboolean impl_dbus_magnifier_show_cursor | ( | Magnifier * | magnifier | ) |

Definition at line 1691 of file magnifier.c.

gboolean impl_dbus_magnifier_support_colorblind_filters | ( | Magnifier * | magnifier | ) |

Definition at line 1699 of file magnifier.c.

gchar* impl_dbus_magnifier_create_zoom_region | ( | Magnifier * | magnifier,
|  | const double | zx,
|  | const double | zy,
|  | const gint32 ** | roi,
|  | const gint32 ** | viewport |
| ) |  |  |

Definition at line 1709 of file magnifier.c.

References _MagnifierPrivate::canvas, DBG, impl_dbus_zoom_region_move_resize(), impl_dbus_zoom_region_set_mag_factor(), impl_dbus_zoom_region_set_roi(), ZoomRegion::object_path, _ZoomRegionPrivate::parent, Magnifier::priv, ZoomRegion::priv, _MagnifierPrivate::w, zoom_hash, zoom_region, and zoom_region_new().

gchar** impl_dbus_magnifier_get_zoom_regions | ( | Magnifier * | magnifier | ) |

Definition at line 1744 of file magnifier.c.

References DBG, ZoomRegion::object_path, zoom_region, Magnifier::zoom_regions, and Magnifier::zoom_regions_dbus.

gboolean impl_dbus_magnifier_add_zoom_region | ( | Magnifier * | magnifier,
|  | gchar * | zoom_region_path |
| ) |  |  |

Definition at line 1763 of file magnifier.c.

References magnifier_get_root(), magnifier_set_extension_listeners(), Magnifier::source_initialized, zoom_hash, zoom_region, Magnifier::zoom_regions, and Magnifier::zoom_regions_dbus.

gboolean impl_dbus_magnifier_clear_all_zoom_regions | ( | Magnifier * | magnifier | ) |

Definition at line 1781 of file magnifier.c.

References magnifier_dbus_unref_zoom_region(), magnifier_unref_zoom_region(), Magnifier::zoom_regions, and Magnifier::zoom_regions_dbus.

gboolean impl_dbus_magnifier_dispose | ( | Magnifier * | magnifier | ) |

Definition at line 1796 of file magnifier.c.

References magnifier_do_dispose().

gboolean impl_dbus_magnifier_set_source_display | ( | Magnifier * | magnifier,
|  | gchar * | source_display |
| ) |  |  |

Definition at line 988 of file magnifier.c.

References DBG, magnifier_adjust_source_size(), magnifier_get_display_rect_bounds(), magnifier_get_root(), magnifier_parse_display_name(), magnifier_set_extension_listeners(), magnifier_warp_cursor_to_screen(), magnifier_zoom_regions_restore(), magnifier_zoom_regions_save(), Magnifier::priv, _MagnifierPrivate::root, Magnifier::source_bounds, Magnifier::source_display, Magnifier::source_display_name, _MagnifierPrivate::source_drawable, and Magnifier::source_screen_num.

gchar* impl_dbus_magnifier_get_source_display | ( | Magnifier * | magnifier | ) |

Definition at line 1036 of file magnifier.c.

References Magnifier::source_display_name.

gboolean impl_dbus_magnifier_set_target_display | ( | Magnifier * | magnifier,
|  | gchar * | target_display |
| ) |  |  |

Definition at line 1042 of file magnifier.c.

References Magnifier::cursor_set, DBG, magnifier_exit(), magnifier_get_display_rect_bounds(), magnifier_init_cursor_set(), magnifier_init_window(), magnifier_parse_display_name(), magnifier_realize(), magnifier_size_allocate(), magnifier_zoom_regions_restore(), magnifier_zoom_regions_save(), _MagnifierPrivate::overlay, Magnifier::priv, Magnifier::source_bounds, Magnifier::target_bounds, Magnifier::target_display, Magnifier::target_display_name, Magnifier::target_screen_num, _MagnifierPrivate::w, GNOME_Magnifier_RectBounds_type::x1, GNOME_Magnifier_RectBounds_type::x2, GNOME_Magnifier_RectBounds_type::y1, and GNOME_Magnifier_RectBounds_type::y2.

gchar* impl_dbus_magnifier_get_target_display | ( | Magnifier * | magnifier | ) |

Definition at line 1120 of file magnifier.c.

References Magnifier::target_display_name.

gboolean impl_dbus_magnifier_set_source_size | ( | Magnifier * | magnifier,
|  | gint32 ** | bounds |
| ) |  |  |

Definition at line 1126 of file magnifier.c.

References DBG, Magnifier::source_bounds, GNOME_Magnifier_RectBounds_type::x1, GNOME_Magnifier_RectBounds_type::x2, GNOME_Magnifier_RectBounds_type::y1, and GNOME_Magnifier_RectBounds_type::y2.

GArray* impl_dbus_magnifier_get_source_size | ( | Magnifier * | magnifier | ) |

Definition at line 1139 of file magnifier.c.

References Magnifier::source_bounds, GNOME_Magnifier_RectBounds_type::x1, GNOME_Magnifier_RectBounds_type::x2, GNOME_Magnifier_RectBounds_type::y1, and GNOME_Magnifier_RectBounds_type::y2.

gboolean impl_dbus_magnifier_set_target_size | ( | Magnifier * | magnifier,
|  | gint32 ** | bounds |
| ) |  |  |

Definition at line 1152 of file magnifier.c.

References DBG, magnifier_adjust_source_size(), _MagnifierPrivate::overlay, Magnifier::priv, Magnifier::source_display_name, Magnifier::source_screen_num, Magnifier::target_bounds, Magnifier::target_display_name, Magnifier::target_screen_num, _MagnifierPrivate::w, GNOME_Magnifier_RectBounds_type::x1, GNOME_Magnifier_RectBounds_type::x2, GNOME_Magnifier_RectBounds_type::y1, and GNOME_Magnifier_RectBounds_type::y2.

GArray* impl_dbus_magnifier_get_target_size | ( | Magnifier * | magnifier | ) |

Definition at line 1186 of file magnifier.c.

References Magnifier::target_bounds, GNOME_Magnifier_RectBounds_type::x1, GNOME_Magnifier_RectBounds_type::x2, GNOME_Magnifier_RectBounds_type::y1, and GNOME_Magnifier_RectBounds_type::y2.

gboolean impl_dbus_magnifier_set_cursor_set | ( | Magnifier * | magnifier,
|  | gchar * | cursor_set |
| ) |  |  |

Definition at line 1199 of file magnifier.c.

References DBG, and magnifier_init_cursor_set().

gchar* impl_dbus_magnifier_get_cursor_set | ( | Magnifier * | magnifier | ) |

Definition at line 1208 of file magnifier.c.

References Magnifier::cursor_set.

gboolean impl_dbus_magnifier_set_cursor_size | ( | Magnifier * | magnifier,
|  | gint | x,
|  | gint | y |
| ) |  |  |

Definition at line 1214 of file magnifier.c.

References Magnifier::cursor_size_x, Magnifier::cursor_size_y, DBG, and magnifier_transform_cursor().

GArray* impl_dbus_magnifier_get_cursor_size | ( | Magnifier * | magnifier | ) |

Definition at line 1225 of file magnifier.c.

References Magnifier::cursor_size_x, and Magnifier::cursor_size_y.

gboolean impl_dbus_magnifier_set_cursor_zoom | ( | Magnifier * | magnifier,
|  | double | factor |
| ) |  |  |

Definition at line 1236 of file magnifier.c.

References Magnifier::cursor_scale_factor, DBG, and magnifier_transform_cursor().

double impl_dbus_magnifier_get_cursor_zoom | ( | Magnifier * | magnifier | ) |

Definition at line 1246 of file magnifier.c.

References Magnifier::cursor_scale_factor.

gboolean impl_dbus_magnifier_set_cursor_color | ( | Magnifier * | magnifier,
|  | guint32 | color |
| ) |  |  |

Definition at line 1252 of file magnifier.c.

References Magnifier::cursor_color, DBG, and magnifier_transform_cursor().

guint32 impl_dbus_magnifier_get_cursor_color | ( | Magnifier * | magnifier | ) |

Definition at line 1262 of file magnifier.c.

References Magnifier::cursor_color.

gboolean impl_dbus_magnifier_set_cursor_hotspot | ( | Magnifier * | magnifier,
|  | gint32 | x,
|  | gint32 | y |
| ) |  |  |

Definition at line 1268 of file magnifier.c.

References Magnifier::cursor_hotspot, magnifier_transform_cursor(), GNOME_Magnifier_Point_type::x, and GNOME_Magnifier_Point_type::y.

GArray* impl_dbus_magnifier_get_cursor_hotspot | ( | Magnifier * | magnifier | ) |

Definition at line 1278 of file magnifier.c.

References Magnifier::cursor_hotspot, GNOME_Magnifier_Point_type::x, and GNOME_Magnifier_Point_type::y.

gint32 impl_dbus_magnifier_get_cursor_default_size | ( | Magnifier * | magnifier | ) |

Definition at line 1289 of file magnifier.c.

References _MagnifierPrivate::cursor, and Magnifier::priv.

gboolean impl_dbus_magnifier_set_crosswire_size | ( | Magnifier * | magnifier,
|  | gint | size |
| ) |  |  |

Definition at line 1301 of file magnifier.c.

References Magnifier::crosswire_size, DBG, and magnifier_zoom_regions_update_pointer().

gint impl_dbus_magnifier_get_crosswire_size | ( | Magnifier * | magnifier | ) |

Definition at line 1311 of file magnifier.c.

References Magnifier::crosswire_size.

gboolean impl_dbus_magnifier_set_crosswire_length | ( | Magnifier * | magnifier,
|  | gint | length |
| ) |  |  |

Definition at line 1317 of file magnifier.c.

References Magnifier::crosswire_length, DBG, magnifier_zoom_regions_mark_dirty(), GNOME_Magnifier_RectBounds_type::x1, GNOME_Magnifier_RectBounds_type::x2, GNOME_Magnifier_RectBounds_type::y1, and GNOME_Magnifier_RectBounds_type::y2.

gint impl_dbus_magnifier_get_crosswire_length | ( | Magnifier * | magnifier | ) |

Definition at line 1349 of file magnifier.c.

References Magnifier::crosswire_length.

gboolean impl_dbus_magnifier_set_crosswire_clip | ( | Magnifier * | magnifier,
|  | gboolean | clip |
| ) |  |  |

Definition at line 1333 of file magnifier.c.

References Magnifier::crosswire_clip, DBG, and magnifier_zoom_regions_update_pointer().

gboolean impl_dbus_magnifier_get_crosswire_clip | ( | Magnifier * | magnifier | ) |

Definition at line 1343 of file magnifier.c.

References Magnifier::crosswire_clip.

gboolean impl_dbus_magnifier_set_crosswire_color | ( | Magnifier * | magnifier,
|  | guint32 | color |
| ) |  |  |

Definition at line 1354 of file magnifier.c.

References Magnifier::crosswire_color, and DBG.

guint32 impl_dbus_magnifier_get_crosswire_color | ( | Magnifier * | magnifier | ) |

Definition at line 1363 of file magnifier.c.

References Magnifier::crosswire_color.

## Variable Documentation

TimingStruct mag_timing

Definition at line 172 of file magnifier.h.

Referenced by gdk_timing_idle(), magnifier_init(), reset_timing_stats(), timing_report(), zoom_region_align(), zoom_region_moveto(), zoom_region_pan_test(), zoom_region_scroll(), zoom_region_time_frame(), zoom_region_update(), and zoom_region_update_pixmap().