forked from AuroraMiddleware/gtk
ab30a02e5f
Sun Mar 8 15:53:33 1998 Owen Taylor <owt1@cornell.edu> * gtk/gtktext.c: - Show selection correctly when starting selection with arrows - Display pixmap background only when not editable - Redraw focus area more carefully to prevent flashing (and make style of drawing consistent with Entry) * gtk/gtktreeitem.c: ref colormaps for pixmap by colormap storage. * gtk/gtkrc.c: Store a separate style for each RcStyle for each colormap, so we can handle background pixmaps correctly, which need to be per-colormap. (Leaks colormaps...) Parse text color style entries correctly. * gtk/testgtk.c: insert text without fg color gtk/testgtkrc: move "*" after rest, so the other class styles take effect * gdk/gdkwindow.c gdk/gdk.c gdk/gdkprivate.h: Send DND events safely, in case drop window disappears. (Performance hit because XSync()'s are necessary) * gdk/gdk.h gdk/gdkpixmap.c: Added gdk_pixmap_colormap_create_from_xpm[_d] to allow creating pixmaps from xpm's before you have a GdkWindow.
735 lines
18 KiB
C
735 lines
18 KiB
C
/* GDK - The GIMP Drawing Kit
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* Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the Free
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* Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#include "../config.h"
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#include <stdlib.h>
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#include <stdio.h>
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#include <string.h>
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/* Needed for SEEK_END in SunOS */
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#include <unistd.h>
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#include <X11/Xlib.h>
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#include "gdk.h"
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#include "gdkprivate.h"
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typedef struct
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{
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gchar *color_string;
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GdkColor color;
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gint transparent;
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} _GdkPixmapColor;
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GdkPixmap*
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gdk_pixmap_new (GdkWindow *window,
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gint width,
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gint height,
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gint depth)
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{
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GdkPixmap *pixmap;
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GdkWindowPrivate *private;
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GdkWindowPrivate *window_private;
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g_return_val_if_fail ((window != NULL) || (depth != -1), NULL);
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if (!window)
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window = (GdkWindow*) &gdk_root_parent;
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window_private = (GdkWindowPrivate*) window;
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if (window_private->destroyed)
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return NULL;
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if (depth == -1)
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gdk_window_get_geometry (window, NULL, NULL, NULL, NULL, &depth);
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private = g_new (GdkWindowPrivate, 1);
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pixmap = (GdkPixmap*) private;
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private->xdisplay = window_private->xdisplay;
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private->window_type = GDK_WINDOW_PIXMAP;
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private->xwindow = XCreatePixmap (private->xdisplay, window_private->xwindow,
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width, height, depth);
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private->parent = NULL;
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private->x = 0;
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private->y = 0;
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private->width = width;
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private->height = height;
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private->resize_count = 0;
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private->ref_count = 1;
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private->destroyed = 0;
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gdk_xid_table_insert (&private->xwindow, pixmap);
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return pixmap;
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}
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GdkPixmap *
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gdk_bitmap_create_from_data (GdkWindow *window,
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gchar *data,
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gint width,
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gint height)
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{
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GdkPixmap *pixmap;
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GdkWindowPrivate *private;
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GdkWindowPrivate *window_private;
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g_return_val_if_fail (data != NULL, NULL);
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if (!window)
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window = (GdkWindow*) &gdk_root_parent;
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window_private = (GdkWindowPrivate*) window;
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if (window_private->destroyed)
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return NULL;
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private = g_new (GdkWindowPrivate, 1);
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pixmap = (GdkPixmap*) private;
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private->parent = NULL;
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private->xdisplay = window_private->xdisplay;
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private->window_type = GDK_WINDOW_PIXMAP;
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private->x = 0;
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private->y = 0;
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private->width = width;
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private->height = height;
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private->resize_count = 0;
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private->ref_count = 1;
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private->destroyed = FALSE;
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private->xwindow = XCreateBitmapFromData (private->xdisplay,
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window_private->xwindow,
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data, width, height);
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gdk_xid_table_insert (&private->xwindow, pixmap);
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return pixmap;
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}
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GdkPixmap*
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gdk_pixmap_create_from_data (GdkWindow *window,
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gchar *data,
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gint width,
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gint height,
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gint depth,
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GdkColor *fg,
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GdkColor *bg)
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{
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GdkPixmap *pixmap;
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GdkWindowPrivate *private;
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GdkWindowPrivate *window_private;
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g_return_val_if_fail (data != NULL, NULL);
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g_return_val_if_fail (fg != NULL, NULL);
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g_return_val_if_fail (bg != NULL, NULL);
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g_return_val_if_fail ((window != NULL) || (depth != -1), NULL);
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if (!window)
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window = (GdkWindow*) &gdk_root_parent;
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window_private = (GdkWindowPrivate*) window;
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if (window_private->destroyed)
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return NULL;
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if (depth == -1)
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gdk_window_get_geometry (window, NULL, NULL, NULL, NULL, &depth);
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private = g_new (GdkWindowPrivate, 1);
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pixmap = (GdkPixmap*) private;
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private->parent = NULL;
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private->xdisplay = window_private->xdisplay;
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private->window_type = GDK_WINDOW_PIXMAP;
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private->x = 0;
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private->y = 0;
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private->width = width;
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private->height = height;
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private->resize_count = 0;
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private->ref_count = 1;
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private->destroyed = FALSE;
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private->xwindow = XCreatePixmapFromBitmapData (private->xdisplay,
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window_private->xwindow,
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data, width, height,
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fg->pixel, bg->pixel, depth);
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gdk_xid_table_insert (&private->xwindow, pixmap);
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return pixmap;
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}
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gint
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gdk_pixmap_seek_string (FILE *infile,
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const gchar *str,
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gint skip_comments)
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{
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char instr[1024];
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while (!feof (infile))
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{
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fscanf (infile, "%s", instr);
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if (skip_comments == TRUE && strcmp (instr, "/*") == 0)
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{
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fscanf (infile, "%s", instr);
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while (!feof (infile) && strcmp (instr, "*/") != 0)
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fscanf (infile, "%s", instr);
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fscanf(infile, "%s", instr);
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}
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if (strcmp (instr, str)==0)
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return TRUE;
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}
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return FALSE;
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}
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gint
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gdk_pixmap_seek_char (FILE *infile,
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gchar c)
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{
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gchar b, oldb;
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while (!feof (infile))
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{
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fscanf(infile, "%c", &b);
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if (c != b && b == '/')
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{
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fscanf (infile, "%c", &b);
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if (b == '*')
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{
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oldb = b;
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while (!feof (infile) && !(oldb == '*' && b == '/'))
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{
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oldb = b;
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fscanf (infile, "%c", &b);
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}
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fscanf (infile, "%c", &b);
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}
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}
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if (c == b)
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return TRUE;
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}
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return FALSE;
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}
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gint
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gdk_pixmap_read_string (FILE *infile,
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gchar **buffer,
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guint *buffer_size)
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{
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gchar c;
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guint cnt = 0;
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if ((*buffer) == NULL)
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{
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(*buffer_size) = 10 * sizeof (gchar);
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(*buffer) = (gchar *) malloc (*buffer_size);
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}
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do
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fscanf (infile, "%c", &c);
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while (!feof (infile) && c != '"');
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if (c != '"')
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return FALSE;
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while (!feof (infile))
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{
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fscanf (infile, "%c", &c);
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if (cnt == (*buffer_size))
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{
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(*buffer_size) *= 2;
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(*buffer) = (gchar *) realloc ((*buffer), *buffer_size);
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}
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if (c != '"')
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(*buffer)[cnt++] = c;
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else
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{
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(*buffer)[cnt++] = 0;
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return TRUE;
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}
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}
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return FALSE;
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}
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gchar*
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gdk_pixmap_skip_whitespaces (gchar *buffer)
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{
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gint32 index = 0;
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while (buffer[index] != 0 && (buffer[index] == 0x20 || buffer[index] == 0x09))
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index++;
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return &buffer[index];
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}
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gchar*
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gdk_pixmap_skip_string (gchar *buffer)
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{
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gint32 index = 0;
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while (buffer[index] != 0 && buffer[index] != 0x20 && buffer[index] != 0x09)
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index++;
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return &buffer[index];
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}
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gchar*
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gdk_pixmap_extract_color (gchar *buffer)
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{
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gint counter, finished = FALSE, numnames;
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gchar *ptr = NULL, ch, temp[128];
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gchar color[128], *retcol;
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counter = 0;
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while (ptr == NULL)
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{
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if (buffer[counter] == 'c')
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{
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ch = buffer[counter + 1];
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if (ch == 0x20 || ch == 0x09)
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ptr = &buffer[counter + 1];
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}
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else if (buffer[counter] == 0)
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return NULL;
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counter++;
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}
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if (ptr == NULL)
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return NULL;
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ptr = gdk_pixmap_skip_whitespaces (ptr);
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if (ptr[0] == 0)
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return NULL;
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else if (ptr[0] == '#')
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{
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retcol = g_strdup (ptr);
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return retcol;
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}
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color[0] = 0;
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numnames = 0;
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while (finished == FALSE)
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{
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sscanf (ptr, "%s", temp);
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if ((gint)ptr[0] == 0 || strcmp ("s", temp) == 0 || strcmp ("m", temp) == 0 ||
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strcmp ("g", temp) == 0 || strcmp ("g4", temp) == 0)
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finished = TRUE;
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else
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{
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if (numnames > 0)
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strcat (color, " ");
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strcat (color, temp);
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ptr = gdk_pixmap_skip_string (ptr);
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ptr = gdk_pixmap_skip_whitespaces (ptr);
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numnames++;
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}
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}
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retcol = g_strdup (color);
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return retcol;
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}
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GdkPixmap*
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gdk_pixmap_colormap_create_from_xpm (GdkWindow *window,
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GdkColormap *colormap,
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GdkBitmap **mask,
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GdkColor *transparent_color,
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const gchar *filename)
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{
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FILE *infile = NULL;
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GdkPixmap *pixmap = NULL;
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GdkImage *image = NULL;
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GdkVisual *visual;
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GdkGC *gc;
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GdkColor tmp_color;
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gint width, height, num_cols, cpp, cnt, n, ns, xcnt, ycnt;
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gchar *buffer = NULL, pixel_str[32];
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guint buffer_size = 0;
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_GdkPixmapColor *colors = NULL, *color = NULL;
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gulong index;
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if ((window == NULL) && (colormap == NULL))
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g_warning ("Creating pixmap from xpm with NULL window and colormap");
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if (window == NULL)
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window = (GdkWindow *)&gdk_root_parent;
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if (colormap == NULL)
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{
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colormap = gdk_window_get_colormap (window);
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visual = gdk_window_get_visual (window);
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}
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else
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visual = ((GdkColormapPrivate *)colormap)->visual;
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infile = fopen (filename, "rb");
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if (infile != NULL)
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{
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if (gdk_pixmap_seek_string (infile, "XPM", FALSE) == TRUE)
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{
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if (gdk_pixmap_seek_char (infile,'{') == TRUE)
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{
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gdk_pixmap_seek_char (infile, '"');
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fseek (infile, -1, SEEK_CUR);
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gdk_pixmap_read_string (infile, &buffer, &buffer_size);
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sscanf (buffer,"%d %d %d %d", &width, &height, &num_cols, &cpp);
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colors = g_new(_GdkPixmapColor, num_cols);
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if (transparent_color == NULL)
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{
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gdk_color_white (colormap, &tmp_color);
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transparent_color = &tmp_color;
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}
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for (cnt = 0; cnt < num_cols; cnt++)
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{
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gchar *color_name;
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gdk_pixmap_seek_char (infile, '"');
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fseek (infile, -1, SEEK_CUR);
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gdk_pixmap_read_string (infile, &buffer, &buffer_size);
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colors[cnt].color_string = g_new(gchar, cpp + 1);
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for (n = 0; n < cpp; n++)
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colors[cnt].color_string[n] = buffer[n];
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colors[cnt].color_string[n] = 0;
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colors[cnt].transparent = FALSE;
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color_name = gdk_pixmap_extract_color (&buffer[cpp]);
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if (color_name != NULL)
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{
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if (gdk_color_parse (color_name, &colors[cnt].color) == FALSE)
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{
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colors[cnt].color = *transparent_color;
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colors[cnt].transparent = TRUE;
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}
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}
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else
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{
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colors[cnt].color = *transparent_color;
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colors[cnt].transparent = TRUE;
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}
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g_free (color_name);
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gdk_color_alloc (colormap, &colors[cnt].color);
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}
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index = 0;
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image = gdk_image_new (GDK_IMAGE_FASTEST, visual, width, height);
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gc = NULL;
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if (mask)
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{
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/* The pixmap mask is just a bits pattern.
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* Color 0 is used for background and 1 for foreground.
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* We don't care about the colormap, we just need 0 and 1.
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*/
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GdkColor mask_pattern;
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*mask = gdk_pixmap_new (window, width, height, 1);
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gc = gdk_gc_new (*mask);
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mask_pattern.pixel = 0;
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gdk_gc_set_foreground (gc, &mask_pattern);
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gdk_draw_rectangle (*mask, gc, TRUE, 0, 0, -1, -1);
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mask_pattern.pixel = 1;
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gdk_gc_set_foreground (gc, &mask_pattern);
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}
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for (ycnt = 0; ycnt < height; ycnt++)
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{
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gdk_pixmap_read_string (infile, &buffer, &buffer_size);
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for (n = 0, cnt = 0, xcnt = 0; n < (width * cpp); n += cpp, xcnt++)
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{
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strncpy (pixel_str, &buffer[n], cpp);
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pixel_str[cpp] = 0;
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color = NULL;
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ns = 0;
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while (color == NULL)
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{
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if (strcmp (pixel_str, colors[ns].color_string) == 0)
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color = &colors[ns];
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else
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ns++;
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}
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gdk_image_put_pixel (image, xcnt, ycnt, color->color.pixel);
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if (mask && color->transparent)
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{
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if (cnt < xcnt)
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gdk_draw_line (*mask, gc, cnt, ycnt, xcnt - 1, ycnt);
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cnt = xcnt + 1;
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}
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}
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if (mask && (cnt < xcnt))
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gdk_draw_line (*mask, gc, cnt, ycnt, xcnt - 1, ycnt);
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}
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if (mask)
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gdk_gc_destroy (gc);
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pixmap = gdk_pixmap_new (window, width, height, visual->depth);
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gc = gdk_gc_new (pixmap);
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gdk_gc_set_foreground (gc, transparent_color);
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gdk_draw_image (pixmap, gc, image, 0, 0, 0, 0, image->width, image->height);
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gdk_gc_destroy (gc);
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gdk_image_destroy (image);
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}
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}
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fclose (infile);
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free (buffer);
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if (colors != NULL)
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{
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for (cnt = 0; cnt < num_cols; cnt++)
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g_free (colors[cnt].color_string);
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g_free (colors);
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}
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}
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return pixmap;
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}
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GdkPixmap*
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gdk_pixmap_create_from_xpm (GdkWindow *window,
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GdkBitmap **mask,
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GdkColor *transparent_color,
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const gchar *filename)
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{
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return gdk_pixmap_colormap_create_from_xpm (window, NULL, mask,
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transparent_color, filename);
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}
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GdkPixmap*
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gdk_pixmap_colormap_create_from_xpm_d (GdkWindow *window,
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GdkColormap *colormap,
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GdkBitmap **mask,
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|
GdkColor *transparent_color,
|
|
gchar **data)
|
|
{
|
|
GdkPixmap *pixmap = NULL;
|
|
GdkImage *image = NULL;
|
|
GdkVisual *visual;
|
|
GdkGC *gc;
|
|
GdkColor tmp_color;
|
|
gint width, height, num_cols, cpp, cnt, n, ns, xcnt, ycnt, i;
|
|
gchar *buffer, pixel_str[32];
|
|
_GdkPixmapColor *colors = NULL, *color = NULL;
|
|
gulong index;
|
|
|
|
if ((window == NULL) && (colormap == NULL))
|
|
g_warning ("Creating pixmap from xpm with NULL window and colormap");
|
|
|
|
if (window == NULL)
|
|
window = (GdkWindow *)&gdk_root_parent;
|
|
|
|
if (colormap == NULL)
|
|
{
|
|
colormap = gdk_window_get_colormap (window);
|
|
visual = gdk_window_get_visual (window);
|
|
}
|
|
else
|
|
visual = ((GdkColormapPrivate *)colormap)->visual;
|
|
|
|
i = 0;
|
|
buffer = data[i++];
|
|
sscanf (buffer,"%d %d %d %d", &width, &height, &num_cols, &cpp);
|
|
|
|
colors = g_new(_GdkPixmapColor, num_cols);
|
|
|
|
if (transparent_color == NULL)
|
|
{
|
|
gdk_color_white (colormap, &tmp_color);
|
|
transparent_color = &tmp_color;
|
|
}
|
|
|
|
for (cnt = 0; cnt < num_cols; cnt++)
|
|
{
|
|
gchar *color_name;
|
|
|
|
buffer = data[i++];
|
|
|
|
colors[cnt].color_string = g_new(gchar, cpp + 1);
|
|
for (n = 0; n < cpp; n++)
|
|
colors[cnt].color_string[n] = buffer[n];
|
|
colors[cnt].color_string[n] = 0;
|
|
colors[cnt].transparent = FALSE;
|
|
|
|
color_name = gdk_pixmap_extract_color (&buffer[cpp]);
|
|
|
|
if (color_name != NULL)
|
|
{
|
|
if (gdk_color_parse (color_name, &colors[cnt].color) == FALSE)
|
|
{
|
|
colors[cnt].color = *transparent_color;
|
|
colors[cnt].transparent = TRUE;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
colors[cnt].color = *transparent_color;
|
|
colors[cnt].transparent = TRUE;
|
|
}
|
|
|
|
g_free (color_name);
|
|
|
|
gdk_color_alloc (colormap, &colors[cnt].color);
|
|
}
|
|
|
|
index = 0;
|
|
image = gdk_image_new (GDK_IMAGE_FASTEST, visual, width, height);
|
|
|
|
gc = NULL;
|
|
if (mask)
|
|
{
|
|
/* The pixmap mask is just a bits pattern.
|
|
* Color 0 is used for background and 1 for foreground.
|
|
* We don't care about the colormap, we just need 0 and 1.
|
|
*/
|
|
GdkColor mask_pattern;
|
|
|
|
*mask = gdk_pixmap_new (window, width, height, 1);
|
|
gc = gdk_gc_new (*mask);
|
|
|
|
mask_pattern.pixel = 0;
|
|
gdk_gc_set_foreground (gc, &mask_pattern);
|
|
gdk_draw_rectangle (*mask, gc, TRUE, 0, 0, -1, -1);
|
|
|
|
mask_pattern.pixel = 1;
|
|
gdk_gc_set_foreground (gc, &mask_pattern);
|
|
}
|
|
|
|
for (ycnt = 0; ycnt < height; ycnt++)
|
|
{
|
|
buffer = data[i++];
|
|
|
|
for (n = 0, cnt = 0, xcnt = 0; n < (width * cpp); n += cpp, xcnt++)
|
|
{
|
|
strncpy (pixel_str, &buffer[n], cpp);
|
|
pixel_str[cpp] = 0;
|
|
color = NULL;
|
|
ns = 0;
|
|
|
|
while (color == NULL)
|
|
{
|
|
if (strcmp (pixel_str, colors[ns].color_string) == 0)
|
|
color = &colors[ns];
|
|
else
|
|
ns++;
|
|
}
|
|
|
|
gdk_image_put_pixel (image, xcnt, ycnt, color->color.pixel);
|
|
|
|
if (mask && color->transparent)
|
|
{
|
|
if (cnt < xcnt)
|
|
gdk_draw_line (*mask, gc, cnt, ycnt, xcnt - 1, ycnt);
|
|
cnt = xcnt + 1;
|
|
}
|
|
}
|
|
|
|
if (mask && (cnt < xcnt))
|
|
gdk_draw_line (*mask, gc, cnt, ycnt, xcnt - 1, ycnt);
|
|
}
|
|
|
|
if (mask)
|
|
gdk_gc_destroy (gc);
|
|
|
|
pixmap = gdk_pixmap_new (window, width, height, visual->depth);
|
|
|
|
gc = gdk_gc_new (pixmap);
|
|
gdk_gc_set_foreground (gc, transparent_color);
|
|
gdk_draw_image (pixmap, gc, image, 0, 0, 0, 0, image->width, image->height);
|
|
gdk_gc_destroy (gc);
|
|
gdk_image_destroy (image);
|
|
|
|
if (colors != NULL)
|
|
{
|
|
for (cnt = 0; cnt < num_cols; cnt++)
|
|
g_free (colors[cnt].color_string);
|
|
g_free (colors);
|
|
}
|
|
|
|
return pixmap;
|
|
}
|
|
|
|
GdkPixmap*
|
|
gdk_pixmap_create_from_xpm_d (GdkWindow *window,
|
|
GdkBitmap **mask,
|
|
GdkColor *transparent_color,
|
|
gchar **data)
|
|
{
|
|
return gdk_pixmap_colormap_create_from_xpm_d (window, NULL, mask,
|
|
transparent_color, data);
|
|
}
|
|
|
|
GdkPixmap*
|
|
gdk_pixmap_ref (GdkPixmap *pixmap)
|
|
{
|
|
GdkWindowPrivate *private = (GdkWindowPrivate *)pixmap;
|
|
g_return_val_if_fail (pixmap != NULL, NULL);
|
|
|
|
private->ref_count += 1;
|
|
return pixmap;
|
|
}
|
|
|
|
void
|
|
gdk_pixmap_unref (GdkPixmap *pixmap)
|
|
{
|
|
GdkWindowPrivate *private = (GdkWindowPrivate *)pixmap;
|
|
g_return_if_fail(pixmap != NULL);
|
|
|
|
private->ref_count -= 1;
|
|
if (private->ref_count == 0)
|
|
{
|
|
XFreePixmap (private->xdisplay, private->xwindow);
|
|
gdk_xid_table_remove (private->xwindow);
|
|
g_free (private);
|
|
}
|
|
}
|
|
|
|
GdkBitmap *
|
|
gdk_bitmap_ref (GdkBitmap *bitmap)
|
|
{
|
|
return (GdkBitmap *)gdk_pixmap_ref ((GdkPixmap *)bitmap);
|
|
}
|
|
|
|
void
|
|
gdk_bitmap_unref (GdkBitmap *bitmap)
|
|
{
|
|
gdk_pixmap_unref ((GdkPixmap *)bitmap);
|
|
}
|