Pileus Git - ~andy/gtk/blob - gdk/x11/gdkpixmap-x11.c

   1 /* GDK - The GIMP Drawing Kit
   2  * Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
   3  *
   4  * This library is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU Library General Public
   6  * License as published by the Free Software Foundation; either
   7  * version 2 of the License, or (at your option) any later version.
   8  *
   9  * This library is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12  * Library General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU Library General Public
  15  * License along with this library; if not, write to the
  16  * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  17  * Boston, MA 02111-1307, USA.
  18  */
  19
  20 /*
  21  * Modified by the GTK+ Team and others 1997-1999.  See the AUTHORS
  22  * file for a list of people on the GTK+ Team.  See the ChangeLog
  23  * files for a list of changes.  These files are distributed with
  24  * GTK+ at ftp://ftp.gtk.org/pub/gtk/.
  25  */
  26
  27 #include "config.h"
  28 #include <stdlib.h>
  29 #include <stdio.h>
  30 #include <string.h>
  31 /* Needed for SEEK_END in SunOS */
  32 #include <unistd.h>
  33 #include <X11/Xlib.h>
  34
  35 #include <gdk/gdkpixmap.h>
  36 #include "gdkpixmap-x11.h"
  37 #include "gdkprivate-x11.h"
  38
  39 typedef struct
  40 {
  41   gchar *color_string;
  42   GdkColor color;
  43   gint transparent;
  44 } _GdkPixmapColor;
  45
  46 typedef struct
  47 {
  48   guint ncolors;
  49   GdkColormap *colormap;
  50   gulong pixels[1];
  51 } _GdkPixmapInfo;
  52
  53 static void gdk_pixmap_impl_x11_get_size   (GdkDrawable        *drawable,
  54                                         gint               *width,
  55                                         gint               *height);
  56
  57 static void gdk_pixmap_impl_x11_init       (GdkPixmapImplX11      *pixmap);
  58 static void gdk_pixmap_impl_x11_class_init (GdkPixmapImplX11Class *klass);
  59 static void gdk_pixmap_impl_x11_finalize   (GObject            *object);
  60
  61 static gpointer parent_class = NULL;
  62
  63 GType
  64 gdk_pixmap_impl_x11_get_type (void)
  65 {
  66   static GType object_type = 0;
  67
  68   if (!object_type)
  69     {
  70       static const GTypeInfo object_info =
  71       {
  72         sizeof (GdkPixmapImplX11Class),
  73         (GBaseInitFunc) NULL,
  74         (GBaseFinalizeFunc) NULL,
  75         (GClassInitFunc) gdk_pixmap_impl_x11_class_init,
  76         NULL,           /* class_finalize */
  77         NULL,           /* class_data */
  78         sizeof (GdkPixmapImplX11),
  79         0,              /* n_preallocs */
  80         (GInstanceInitFunc) gdk_pixmap_impl_x11_init,
  81       };
  82
  83       object_type = g_type_register_static (GDK_TYPE_DRAWABLE_IMPL_X11,
  84                                             "GdkPixmapImplX11",
  85                                             &object_info);
  86     }
  87
  88   return object_type;
  89 }
  90
  91
  92 GType
  93 _gdk_pixmap_impl_get_type (void)
  94 {
  95   return gdk_pixmap_impl_x11_get_type ();
  96 }
  97
  98 static void
  99 gdk_pixmap_impl_x11_init (GdkPixmapImplX11 *impl)
 100 {
 101   impl->width = 1;
 102   impl->height = 1;
 103 }
 104
 105 static void
 106 gdk_pixmap_impl_x11_class_init (GdkPixmapImplX11Class *klass)
 107 {
 108   GObjectClass *object_class = G_OBJECT_CLASS (klass);
 109   GdkDrawableClass *drawable_class = GDK_DRAWABLE_CLASS (klass);
 110
 111   parent_class = g_type_class_peek_parent (klass);
 112
 113   object_class->finalize = gdk_pixmap_impl_x11_finalize;
 114
 115   drawable_class->get_size = gdk_pixmap_impl_x11_get_size;
 116 }
 117
 118 static void
 119 gdk_pixmap_impl_x11_finalize (GObject *object)
 120 {
 121   GdkPixmapImplX11 *impl = GDK_PIXMAP_IMPL_X11 (object);
 122   GdkPixmap *wrapper = GDK_PIXMAP (GDK_DRAWABLE_IMPL_X11 (impl)->wrapper);
 123
 124   XFreePixmap (GDK_PIXMAP_XDISPLAY (wrapper), GDK_PIXMAP_XID (wrapper));
 125   gdk_xid_table_remove (GDK_PIXMAP_XID (wrapper));
 126
 127   G_OBJECT_CLASS (parent_class)->finalize (object);
 128 }
 129
 130 static void
 131 gdk_pixmap_impl_x11_get_size   (GdkDrawable *drawable,
 132                                 gint        *width,
 133                                 gint        *height)
 134 {
 135   if (width)
 136     *width = GDK_PIXMAP_IMPL_X11 (drawable)->width;
 137   if (height)
 138     *height = GDK_PIXMAP_IMPL_X11 (drawable)->height;
 139 }
 140
 141 GdkPixmap*
 142 gdk_pixmap_new (GdkWindow *window,
 143                 gint       width,
 144                 gint       height,
 145                 gint       depth)
 146 {
 147   GdkPixmap *pixmap;
 148   GdkDrawableImplX11 *draw_impl;
 149   GdkPixmapImplX11 *pix_impl;
 150
 151   g_return_val_if_fail (window == NULL || GDK_IS_WINDOW (window), NULL);
 152   g_return_val_if_fail ((window != NULL) || (depth != -1), NULL);
 153   g_return_val_if_fail ((width != 0) && (height != 0), NULL);
 154
 155   if (!window)
 156     window = gdk_parent_root;
 157
 158   if (GDK_WINDOW_DESTROYED (window))
 159     return NULL;
 160
 161   if (depth == -1)
 162     depth = gdk_drawable_get_depth (GDK_DRAWABLE (window));
 163
 164   pixmap = GDK_PIXMAP (g_type_create_instance (gdk_pixmap_get_type ()));
 165   draw_impl = GDK_DRAWABLE_IMPL_X11 (GDK_PIXMAP_OBJECT (pixmap)->impl);
 166   pix_impl = GDK_PIXMAP_IMPL_X11 (GDK_PIXMAP_OBJECT (pixmap)->impl);
 167   draw_impl->wrapper = GDK_DRAWABLE (pixmap);
 168
 169   draw_impl->xdisplay = GDK_WINDOW_XDISPLAY (window);
 170   draw_impl->xid = XCreatePixmap (GDK_PIXMAP_XDISPLAY (pixmap),
 171                                   GDK_WINDOW_XID (window),
 172                                   width, height, depth);
 173
 174   pix_impl->width = width;
 175   pix_impl->height = height;
 176   GDK_PIXMAP_OBJECT (pixmap)->depth = depth;
 177
 178   gdk_xid_table_insert (&GDK_PIXMAP_XID (pixmap), pixmap);
 179
 180   return pixmap;
 181 }
 182
 183 GdkPixmap *
 184 gdk_bitmap_create_from_data (GdkWindow   *window,
 185                              const gchar *data,
 186                              gint         width,
 187                              gint         height)
 188 {
 189   GdkPixmap *pixmap;
 190   GdkDrawableImplX11 *draw_impl;
 191   GdkPixmapImplX11 *pix_impl;
 192
 193   g_return_val_if_fail (data != NULL, NULL);
 194   g_return_val_if_fail ((width != 0) && (height != 0), NULL);
 195   g_return_val_if_fail (window == NULL || GDK_IS_WINDOW (window), NULL);
 196
 197   if (!window)
 198     window = gdk_parent_root;
 199
 200   if (GDK_WINDOW_DESTROYED (window))
 201     return NULL;
 202
 203   pixmap = GDK_PIXMAP (g_type_create_instance (gdk_pixmap_get_type ()));
 204   draw_impl = GDK_DRAWABLE_IMPL_X11 (GDK_PIXMAP_OBJECT (pixmap)->impl);
 205   pix_impl = GDK_PIXMAP_IMPL_X11 (GDK_PIXMAP_OBJECT (pixmap)->impl);
 206   draw_impl->wrapper = GDK_DRAWABLE (pixmap);
 207
 208   pix_impl->width = width;
 209   pix_impl->height = height;
 210   GDK_PIXMAP_OBJECT (pixmap)->depth = 1;
 211
 212   draw_impl->xdisplay = GDK_WINDOW_XDISPLAY (window);
 213   draw_impl->xid = XCreateBitmapFromData (GDK_WINDOW_XDISPLAY (window),
 214                                           GDK_WINDOW_XID (window),
 215                                           (char *)data, width, height);
 216
 217   gdk_xid_table_insert (&GDK_PIXMAP_XID (pixmap), pixmap);
 218
 219   return pixmap;
 220 }
 221
 222 GdkPixmap*
 223 gdk_pixmap_create_from_data (GdkWindow   *window,
 224                              const gchar *data,
 225                              gint         width,
 226                              gint         height,
 227                              gint         depth,
 228                              GdkColor    *fg,
 229                              GdkColor    *bg)
 230 {
 231   GdkPixmap *pixmap;
 232   GdkDrawableImplX11 *draw_impl;
 233   GdkPixmapImplX11 *pix_impl;
 234
 235   g_return_val_if_fail (window == NULL || GDK_IS_WINDOW (window), NULL);
 236   g_return_val_if_fail (data != NULL, NULL);
 237   g_return_val_if_fail (fg != NULL, NULL);
 238   g_return_val_if_fail (bg != NULL, NULL);
 239   g_return_val_if_fail ((window != NULL) || (depth != -1), NULL);
 240   g_return_val_if_fail ((width != 0) && (height != 0), NULL);
 241
 242   if (!window)
 243     window = gdk_parent_root;
 244
 245   if (GDK_WINDOW_DESTROYED (window))
 246     return NULL;
 247
 248   if (depth == -1)
 249     depth = gdk_drawable_get_visual (window)->depth;
 250
 251   pixmap = GDK_PIXMAP (g_type_create_instance (gdk_pixmap_get_type ()));
 252   draw_impl = GDK_DRAWABLE_IMPL_X11 (GDK_PIXMAP_OBJECT (pixmap)->impl);
 253   pix_impl = GDK_PIXMAP_IMPL_X11 (GDK_PIXMAP_OBJECT (pixmap)->impl);
 254   draw_impl->wrapper = GDK_DRAWABLE (pixmap);
 255
 256   pix_impl->width = width;
 257   pix_impl->height = height;
 258   GDK_PIXMAP_OBJECT (pixmap)->depth = depth;
 259
 260   draw_impl->xdisplay = GDK_DRAWABLE_XDISPLAY (window);
 261   draw_impl->xid = XCreatePixmapFromBitmapData (GDK_WINDOW_XDISPLAY (window),
 262                                                 GDK_WINDOW_XID (window),
 263                                                 (char *)data, width, height,
 264                                                 fg->pixel, bg->pixel, depth);
 265
 266   gdk_xid_table_insert (&GDK_PIXMAP_XID (pixmap), pixmap);
 267
 268   return pixmap;
 269 }
 270
 271 GdkPixmap*
 272 gdk_pixmap_foreign_new (GdkNativeWindow anid)
 273 {
 274   GdkPixmap *pixmap;
 275   GdkDrawableImplX11 *draw_impl;
 276   GdkPixmapImplX11 *pix_impl;
 277   Pixmap xpixmap;
 278   Window root_return;
 279   unsigned int x_ret, y_ret, w_ret, h_ret, bw_ret, depth_ret;
 280
 281   /* check to make sure we were passed something at
 282      least a little sane */
 283   g_return_val_if_fail((anid != 0), NULL);
 284
 285   /* set the pixmap to the passed in value */
 286   xpixmap = anid;
 287
 288   /* get information about the Pixmap to fill in the structure for
 289      the gdk window */
 290   if (!XGetGeometry(GDK_DISPLAY(),
 291                     xpixmap, &root_return,
 292                     &x_ret, &y_ret, &w_ret, &h_ret, &bw_ret, &depth_ret))
 293       return NULL;
 294
 295   pixmap = GDK_PIXMAP (g_type_create_instance (gdk_pixmap_get_type ()));
 296   draw_impl = GDK_DRAWABLE_IMPL_X11 (GDK_PIXMAP_OBJECT (pixmap)->impl);
 297   pix_impl = GDK_PIXMAP_IMPL_X11 (GDK_PIXMAP_OBJECT (pixmap)->impl);
 298   draw_impl->wrapper = GDK_DRAWABLE (pixmap);
 299
 300
 301   draw_impl->xdisplay = GDK_DISPLAY ();
 302   draw_impl->xid = xpixmap;
 303
 304   pix_impl->width = w_ret;
 305   pix_impl->height = h_ret;
 306   GDK_PIXMAP_OBJECT (pixmap)->depth = depth_ret;
 307
 308   gdk_xid_table_insert(&GDK_PIXMAP_XID (pixmap), pixmap);
 309
 310   return pixmap;
 311 }