libspi/image.c

   1 /*
   2  * AT-SPI - Assistive Technology Service Provider Interface
   3  * (Gnome Accessibility Project; http://developer.gnome.org/projects/gap)
   4  *
   5  * Copyright 2001 Sun Microsystems Inc.
   6  *
   7  * This library is free software; you can redistribute it and/or
   8  * modify it under the terms of the GNU Library General Public
   9  * License as published by the Free Software Foundation; either
  10  * version 2 of the License, or (at your option) any later version.
  11  *
  12  * This library is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  15  * Library General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU Library General Public
  18  * License along with this library; if not, write to the
  19  * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  20  * Boston, MA 02111-1307, USA.
  21  */
  22
  23 /* image.c : implements the Image interface */
  24
  25 #include <config.h>
  26 #include <stdio.h>
  27 #include <libspi/image.h>
  28
  29 /* A pointer to our parent object class */
  30 static GObjectClass *parent_class;
  31
  32 static void
  33 spi_image_finalize (GObject *obj)
  34 {
  35   SpiImage *image = SPI_IMAGE (obj);
  36   g_object_unref (image->atko);
  37   image->atko = NULL;
  38   parent_class->finalize (obj);
  39 }
  40
  41 SpiImage *
  42 spi_image_interface_new (AtkObject *obj)
  43 {
  44   SpiImage *new_image = g_object_new (SPI_IMAGE_TYPE, NULL);
  45   new_image->atko = obj;
  46   g_object_ref (obj);
  47   return new_image;
  48 }
  49
  50
  51
  52 static void
  53 impl_getImagePosition (PortableServer_Servant _servant,
  54                        CORBA_long * x, CORBA_long * y,
  55                        const CORBA_short coordType,
  56                        CORBA_Environment * ev)
  57 {
  58   SpiImage *image = SPI_IMAGE (bonobo_object_from_servant(_servant));
  59   atk_image_get_image_position (ATK_IMAGE(image->atko),
  60                                 (gint *) x, (gint *) y,
  61                                 (AtkCoordType) coordType);
  62 }
  63
  64
  65
  66 static void
  67 impl_getImageSize (PortableServer_Servant _servant,
  68                    CORBA_long * width, CORBA_long * height,
  69                             CORBA_Environment * ev)
  70 {
  71   SpiImage *image = SPI_IMAGE (bonobo_object_from_servant(_servant));
  72   atk_image_get_image_size (ATK_IMAGE(image->atko),
  73                             (gint *) width, (gint *) height);
  74 }
  75
  76
  77
  78 static CORBA_string
  79 impl__get_imageDescription (PortableServer_Servant servant,
  80                             CORBA_Environment     *ev)
  81 {
  82   SpiImage *image;
  83   const char *rv;
  84
  85   image = SPI_IMAGE (bonobo_object_from_servant (servant));
  86
  87   rv = atk_image_get_image_description (ATK_IMAGE (image->atko));
  88   if (rv)
  89     return CORBA_string_dup (rv);
  90   else
  91     return CORBA_string_dup ("");
  92 }
  93
  94
  95 static void
  96 spi_image_class_init (SpiImageClass *klass)
  97 {
  98   GObjectClass * object_class = (GObjectClass *) klass;
  99   POA_Accessibility_Image__epv *epv = &klass->epv;
 100   parent_class = g_type_class_peek_parent (klass);
 101
 102   object_class->finalize = spi_image_finalize;
 103
 104
 105   /* Initialize epv table */
 106
 107   epv->getImagePosition = impl_getImagePosition;
 108   epv->getImageSize = impl_getImageSize;
 109   epv->_get_imageDescription = impl__get_imageDescription;
 110 }
 111
 112 static void
 113 spi_image_init (SpiImage *image)
 114 {
 115 }
 116
 117 BONOBO_TYPE_FUNC_FULL (SpiImage,
 118                        Accessibility_Image,
 119                        BONOBO_TYPE_OBJECT,
 120                        spi_image);