822 lines
22 KiB
C
822 lines
22 KiB
C
/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
|
||
/* GdkPixbuf library - XPM image loader
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||
*
|
||
* Copyright (C) 1999 Mark Crichton
|
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* Copyright (C) 1999 The Free Software Foundation
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*
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||
* Authors: Mark Crichton <crichton@gimp.org>
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||
* Federico Mena-Quintero <federico@gimp.org>
|
||
*
|
||
* 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
|
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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
|
||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
||
* Lesser General Public License for more details.
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||
*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the
|
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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#include "config.h"
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <glib.h>
|
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#ifdef HAVE_UNISTD_H
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#include <unistd.h> /* for unlink */
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#endif
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#include <errno.h>
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#include "gdk-pixbuf-private.h"
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#include "gdk-pixbuf-io.h"
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#include <glib/gstdio.h>
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/* I have must have done something to deserve this.
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* XPM is such a crappy format to handle.
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* This code is an ugly hybred from gdkpixmap.c
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* modified to respect transparent colors.
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||
* It's still a mess, though.
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*/
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enum buf_op {
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||
op_header,
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||
op_cmap,
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||
op_body
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||
};
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typedef struct {
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||
gchar *color_string;
|
||
guint16 red;
|
||
guint16 green;
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||
guint16 blue;
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||
gint transparent;
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||
} XPMColor;
|
||
|
||
struct file_handle {
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||
FILE *infile;
|
||
gchar *buffer;
|
||
guint buffer_size;
|
||
};
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struct mem_handle {
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||
const gchar **data;
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int offset;
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||
};
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/* The following 2 routines (parse_color, find_color) come from Tk, via the Win32
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* port of GDK. The licensing terms on these (longer than the functions) is:
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*
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* This software is copyrighted by the Regents of the University of
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* California, Sun Microsystems, Inc., and other parties. The following
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* terms apply to all files associated with the software unless explicitly
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* disclaimed in individual files.
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*
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* The authors hereby grant permission to use, copy, modify, distribute,
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* and license this software and its documentation for any purpose, provided
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* that existing copyright notices are retained in all copies and that this
|
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* notice is included verbatim in any distributions. No written agreement,
|
||
* license, or royalty fee is required for any of the authorized uses.
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||
* Modifications to this software may be copyrighted by their authors
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* and need not follow the licensing terms described here, provided that
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* the new terms are clearly indicated on the first page of each file where
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* they apply.
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*
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* IN NO EVENT SHALL THE AUTHORS OR DISTRIBUTORS BE LIABLE TO ANY PARTY
|
||
* FOR DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
|
||
* ARISING OUT OF THE USE OF THIS SOFTWARE, ITS DOCUMENTATION, OR ANY
|
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* DERIVATIVES THEREOF, EVEN IF THE AUTHORS HAVE BEEN ADVISED OF THE
|
||
* POSSIBILITY OF SUCH DAMAGE.
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*
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* THE AUTHORS AND DISTRIBUTORS SPECIFICALLY DISCLAIM ANY WARRANTIES,
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* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY,
|
||
* FITNESS FOR A PARTICULAR PURPOSE, AND NON-INFRINGEMENT. THIS SOFTWARE
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* IS PROVIDED ON AN "AS IS" BASIS, AND THE AUTHORS AND DISTRIBUTORS HAVE
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* NO OBLIGATION TO PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR
|
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* MODIFICATIONS.
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*
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* GOVERNMENT USE: If you are acquiring this software on behalf of the
|
||
* U.S. government, the Government shall have only "Restricted Rights"
|
||
* in the software and related documentation as defined in the Federal
|
||
* Acquisition Regulations (FARs) in Clause 52.227.19 (c) (2). If you
|
||
* are acquiring the software on behalf of the Department of Defense, the
|
||
* software shall be classified as "Commercial Computer Software" and the
|
||
* Government shall have only "Restricted Rights" as defined in Clause
|
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* 252.227-7013 (c) (1) of DFARs. Notwithstanding the foregoing, the
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* authors grant the U.S. Government and others acting in its behalf
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* permission to use and distribute the software in accordance with the
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* terms specified in this license.
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*/
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#include "xpm-color-table.h"
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/*
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*----------------------------------------------------------------------
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*
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* find_color --
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*
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* This routine finds the color entry that corresponds to the
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* specified color.
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*
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* Results:
|
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* Returns non-zero on success. The RGB values of the XColor
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* will be initialized to the proper values on success.
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*
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* Side effects:
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* None.
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||
*
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*----------------------------------------------------------------------
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||
*/
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static int
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||
compare_xcolor_entries (const void *a, const void *b)
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{
|
||
return g_ascii_strcasecmp ((const char *) a,
|
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color_names + ((const XPMColorEntry *)b)->name_offset);
|
||
}
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||
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static gboolean
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||
find_color(const char *name,
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XPMColor *colorPtr)
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||
{
|
||
XPMColorEntry *found;
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||
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found = bsearch (name, xColors, G_N_ELEMENTS (xColors), sizeof (XPMColorEntry),
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compare_xcolor_entries);
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if (found == NULL)
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return FALSE;
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||
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colorPtr->red = (found->red * 65535) / 255;
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colorPtr->green = (found->green * 65535) / 255;
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colorPtr->blue = (found->blue * 65535) / 255;
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return TRUE;
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||
}
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/*
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*----------------------------------------------------------------------
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*
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* parse_color --
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*
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* Partial implementation of X color name parsing interface.
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*
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* Results:
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* Returns TRUE on success.
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*
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* Side effects:
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* None.
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*
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*----------------------------------------------------------------------
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*/
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static gboolean
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parse_color (const char *spec,
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XPMColor *colorPtr)
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{
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if (spec[0] == '#') {
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char fmt[16];
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int i, red, green, blue;
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if ((i = strlen (spec + 1)) % 3) {
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return FALSE;
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}
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i /= 3;
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g_snprintf (fmt, 16, "%%%dx%%%dx%%%dx", i, i, i);
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if (sscanf (spec + 1, fmt, &red, &green, &blue) != 3) {
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return FALSE;
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}
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if (i == 4) {
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colorPtr->red = red;
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colorPtr->green = green;
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colorPtr->blue = blue;
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} else if (i == 1) {
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colorPtr->red = (red * 65535) / 15;
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colorPtr->green = (green * 65535) / 15;
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colorPtr->blue = (blue * 65535) / 15;
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} else if (i == 2)
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{
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colorPtr->red = (red * 65535) / 255;
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colorPtr->green = (green * 65535) / 255;
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colorPtr->blue = (blue * 65535) / 255;
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} else /* if (i == 3) */ {
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colorPtr->red = (red * 65535) / 4095;
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colorPtr->green = (green * 65535) / 4095;
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colorPtr->blue = (blue * 65535) / 4095;
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}
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} else {
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if (!find_color(spec, colorPtr))
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return FALSE;
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}
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return TRUE;
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}
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static gint
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xpm_seek_string (FILE *infile, const gchar *str)
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{
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char instr[1024];
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while (!feof (infile)) {
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if (fscanf (infile, "%1023s", instr) < 0)
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return FALSE;
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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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static gint
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xpm_seek_char (FILE *infile, gchar c)
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{
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gint b, oldb;
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while ((b = getc (infile)) != EOF) {
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if (c != b && b == '/') {
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b = getc (infile);
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if (b == EOF)
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return FALSE;
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else if (b == '*') { /* we have a comment */
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b = -1;
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do {
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oldb = b;
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b = getc (infile);
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if (b == EOF)
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return FALSE;
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} while (!(oldb == '*' && b == '/'));
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}
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} else 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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static gint
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xpm_read_string (FILE *infile, gchar **buffer, guint *buffer_size)
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{
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gint c;
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guint cnt = 0, bufsiz, ret = FALSE;
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gchar *buf;
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buf = *buffer;
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bufsiz = *buffer_size;
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if (buf == NULL) {
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bufsiz = 10 * sizeof (gchar);
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buf = g_new (gchar, bufsiz);
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}
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do {
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c = getc (infile);
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} while (c != EOF && c != '"');
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if (c != '"')
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goto out;
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while ((c = getc (infile)) != EOF) {
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if (cnt == bufsiz) {
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guint new_size = bufsiz * 2;
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if (new_size > bufsiz)
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bufsiz = new_size;
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else
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goto out;
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buf = g_realloc (buf, bufsiz);
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buf[bufsiz - 1] = '\0';
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}
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if (c != '"')
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buf[cnt++] = c;
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else {
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buf[cnt] = 0;
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ret = TRUE;
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break;
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}
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}
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out:
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buf[bufsiz - 1] = '\0'; /* ensure null termination for errors */
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*buffer = buf;
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*buffer_size = bufsiz;
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return ret;
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}
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static gchar *
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xpm_extract_color (const gchar *buffer)
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{
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const gchar *p = &buffer[0];
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gint new_key = 0;
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gint key = 0;
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gint current_key = 1;
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gint space = 128;
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gchar word[129], color[129], current_color[129];
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gchar *r;
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word[0] = '\0';
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color[0] = '\0';
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current_color[0] = '\0';
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while (1) {
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/* skip whitespace */
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for (; *p != '\0' && g_ascii_isspace (*p); p++) {
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}
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/* copy word */
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for (r = word; *p != '\0' && !g_ascii_isspace (*p) && r - word < sizeof (word) - 1; p++, r++) {
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*r = *p;
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}
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*r = '\0';
|
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if (*word == '\0') {
|
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if (color[0] == '\0') /* incomplete colormap entry */
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return NULL;
|
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else /* end of entry, still store the last color */
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new_key = 1;
|
||
}
|
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else if (key > 0 && color[0] == '\0') /* next word must be a color name part */
|
||
new_key = 0;
|
||
else {
|
||
if (strcmp (word, "c") == 0)
|
||
new_key = 5;
|
||
else if (strcmp (word, "g") == 0)
|
||
new_key = 4;
|
||
else if (strcmp (word, "g4") == 0)
|
||
new_key = 3;
|
||
else if (strcmp (word, "m") == 0)
|
||
new_key = 2;
|
||
else if (strcmp (word, "s") == 0)
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new_key = 1;
|
||
else
|
||
new_key = 0;
|
||
}
|
||
if (new_key == 0) { /* word is a color name part */
|
||
if (key == 0) /* key expected */
|
||
return NULL;
|
||
/* accumulate color name */
|
||
if (color[0] != '\0') {
|
||
strncat (color, " ", space);
|
||
space -= MIN (space, 1);
|
||
}
|
||
strncat (color, word, space);
|
||
space -= MIN (space, strlen (word));
|
||
}
|
||
else { /* word is a key */
|
||
if (key > current_key) {
|
||
current_key = key;
|
||
strcpy (current_color, color);
|
||
}
|
||
space = 128;
|
||
color[0] = '\0';
|
||
key = new_key;
|
||
if (*p == '\0') break;
|
||
}
|
||
|
||
}
|
||
if (current_key > 1)
|
||
return g_strdup (current_color);
|
||
else
|
||
return NULL;
|
||
}
|
||
|
||
/* (almost) direct copy from gdkpixmap.c... loads an XPM from a file */
|
||
|
||
static const gchar *
|
||
file_buffer (enum buf_op op, gpointer handle)
|
||
{
|
||
struct file_handle *h = handle;
|
||
|
||
switch (op) {
|
||
case op_header:
|
||
if (xpm_seek_string (h->infile, "XPM") != TRUE)
|
||
break;
|
||
|
||
if (xpm_seek_char (h->infile, '{') != TRUE)
|
||
break;
|
||
/* Fall through to the next xpm_seek_char. */
|
||
|
||
case op_cmap:
|
||
xpm_seek_char (h->infile, '"');
|
||
fseek (h->infile, -1, SEEK_CUR);
|
||
/* Fall through to the xpm_read_string. */
|
||
|
||
case op_body:
|
||
if(!xpm_read_string (h->infile, &h->buffer, &h->buffer_size))
|
||
return NULL;
|
||
return h->buffer;
|
||
|
||
default:
|
||
g_assert_not_reached ();
|
||
}
|
||
|
||
return NULL;
|
||
}
|
||
|
||
/* This reads from memory */
|
||
static const gchar *
|
||
mem_buffer (enum buf_op op, gpointer handle)
|
||
{
|
||
struct mem_handle *h = handle;
|
||
switch (op) {
|
||
case op_header:
|
||
case op_cmap:
|
||
case op_body:
|
||
if (h->data[h->offset]) {
|
||
const gchar* retval;
|
||
|
||
retval = h->data[h->offset];
|
||
h->offset += 1;
|
||
return retval;
|
||
}
|
||
break;
|
||
|
||
default:
|
||
g_assert_not_reached ();
|
||
break;
|
||
}
|
||
|
||
return NULL;
|
||
}
|
||
|
||
/* This function does all the work. */
|
||
static GdkPixbuf *
|
||
pixbuf_create_from_xpm (const gchar * (*get_buf) (enum buf_op op, gpointer handle), gpointer handle,
|
||
GError **error)
|
||
{
|
||
gint w, h, n_col, cpp, x_hot, y_hot, items;
|
||
gint cnt, xcnt, ycnt, wbytes, n;
|
||
gint is_trans = FALSE;
|
||
const gchar *buffer;
|
||
gchar *name_buf;
|
||
gchar pixel_str[32];
|
||
GHashTable *color_hash;
|
||
XPMColor *colors, *color, *fallbackcolor;
|
||
guchar *pixtmp;
|
||
GdkPixbuf *pixbuf;
|
||
|
||
fallbackcolor = NULL;
|
||
|
||
buffer = (*get_buf) (op_header, handle);
|
||
if (!buffer) {
|
||
g_set_error_literal (error,
|
||
GDK_PIXBUF_ERROR,
|
||
GDK_PIXBUF_ERROR_CORRUPT_IMAGE,
|
||
_("No XPM header found"));
|
||
return NULL;
|
||
}
|
||
items = sscanf (buffer, "%d %d %d %d %d %d", &w, &h, &n_col, &cpp, &x_hot, &y_hot);
|
||
|
||
if (items != 4 && items != 6) {
|
||
g_set_error_literal (error,
|
||
GDK_PIXBUF_ERROR,
|
||
GDK_PIXBUF_ERROR_CORRUPT_IMAGE,
|
||
_("Invalid XPM header"));
|
||
return NULL;
|
||
}
|
||
|
||
if (w <= 0) {
|
||
g_set_error_literal (error,
|
||
GDK_PIXBUF_ERROR,
|
||
GDK_PIXBUF_ERROR_CORRUPT_IMAGE,
|
||
_("XPM file has image width <= 0"));
|
||
return NULL;
|
||
|
||
}
|
||
if (h <= 0) {
|
||
g_set_error_literal (error,
|
||
GDK_PIXBUF_ERROR,
|
||
GDK_PIXBUF_ERROR_CORRUPT_IMAGE,
|
||
_("XPM file has image height <= 0"));
|
||
return NULL;
|
||
|
||
}
|
||
if (cpp <= 0 || cpp >= 32) {
|
||
g_set_error_literal (error,
|
||
GDK_PIXBUF_ERROR,
|
||
GDK_PIXBUF_ERROR_CORRUPT_IMAGE,
|
||
_("XPM has invalid number of chars per pixel"));
|
||
return NULL;
|
||
}
|
||
if (n_col <= 0 ||
|
||
n_col >= G_MAXINT / (cpp + 1) ||
|
||
n_col >= G_MAXINT / sizeof (XPMColor)) {
|
||
g_set_error_literal (error,
|
||
GDK_PIXBUF_ERROR,
|
||
GDK_PIXBUF_ERROR_CORRUPT_IMAGE,
|
||
_("XPM file has invalid number of colors"));
|
||
return NULL;
|
||
}
|
||
|
||
/* The hash is used for fast lookups of color from chars */
|
||
color_hash = g_hash_table_new (g_str_hash, g_str_equal);
|
||
|
||
name_buf = g_try_malloc (n_col * (cpp + 1));
|
||
if (!name_buf) {
|
||
g_set_error_literal (error,
|
||
GDK_PIXBUF_ERROR,
|
||
GDK_PIXBUF_ERROR_INSUFFICIENT_MEMORY,
|
||
_("Cannot allocate memory for loading XPM image"));
|
||
g_hash_table_destroy (color_hash);
|
||
return NULL;
|
||
}
|
||
colors = (XPMColor *) g_try_malloc (sizeof (XPMColor) * n_col);
|
||
if (!colors) {
|
||
g_set_error_literal (error,
|
||
GDK_PIXBUF_ERROR,
|
||
GDK_PIXBUF_ERROR_INSUFFICIENT_MEMORY,
|
||
_("Cannot allocate memory for loading XPM image"));
|
||
g_hash_table_destroy (color_hash);
|
||
g_free (name_buf);
|
||
return NULL;
|
||
}
|
||
|
||
for (cnt = 0; cnt < n_col; cnt++) {
|
||
gchar *color_name;
|
||
|
||
buffer = (*get_buf) (op_cmap, handle);
|
||
if (!buffer) {
|
||
g_set_error_literal (error,
|
||
GDK_PIXBUF_ERROR,
|
||
GDK_PIXBUF_ERROR_CORRUPT_IMAGE,
|
||
_("Cannot read XPM colormap"));
|
||
g_hash_table_destroy (color_hash);
|
||
g_free (name_buf);
|
||
g_free (colors);
|
||
return NULL;
|
||
}
|
||
|
||
color = &colors[cnt];
|
||
color->color_string = &name_buf[cnt * (cpp + 1)];
|
||
strncpy (color->color_string, buffer, cpp);
|
||
color->color_string[cpp] = 0;
|
||
buffer += strlen (color->color_string);
|
||
color->transparent = FALSE;
|
||
|
||
color_name = xpm_extract_color (buffer);
|
||
|
||
if ((color_name == NULL) || (g_ascii_strcasecmp (color_name, "None") == 0)
|
||
|| (parse_color (color_name, color) == FALSE)) {
|
||
color->transparent = TRUE;
|
||
color->red = 0;
|
||
color->green = 0;
|
||
color->blue = 0;
|
||
is_trans = TRUE;
|
||
}
|
||
|
||
g_free (color_name);
|
||
g_hash_table_insert (color_hash, color->color_string, color);
|
||
|
||
if (cnt == 0)
|
||
fallbackcolor = color;
|
||
}
|
||
|
||
pixbuf = gdk_pixbuf_new (GDK_COLORSPACE_RGB, is_trans, 8, w, h);
|
||
|
||
if (!pixbuf) {
|
||
g_set_error_literal (error,
|
||
GDK_PIXBUF_ERROR,
|
||
GDK_PIXBUF_ERROR_INSUFFICIENT_MEMORY,
|
||
_("Cannot allocate memory for loading XPM image"));
|
||
g_hash_table_destroy (color_hash);
|
||
g_free (colors);
|
||
g_free (name_buf);
|
||
return NULL;
|
||
}
|
||
|
||
wbytes = w * cpp;
|
||
|
||
for (ycnt = 0; ycnt < h; ycnt++) {
|
||
pixtmp = pixbuf->pixels + ycnt * pixbuf->rowstride;
|
||
|
||
buffer = (*get_buf) (op_body, handle);
|
||
if ((!buffer) || (strlen (buffer) < wbytes))
|
||
continue;
|
||
|
||
for (n = 0, xcnt = 0; n < wbytes; n += cpp, xcnt++) {
|
||
strncpy (pixel_str, &buffer[n], cpp);
|
||
pixel_str[cpp] = 0;
|
||
|
||
color = g_hash_table_lookup (color_hash, pixel_str);
|
||
|
||
/* Bad XPM...punt */
|
||
if (!color)
|
||
color = fallbackcolor;
|
||
|
||
*pixtmp++ = color->red >> 8;
|
||
*pixtmp++ = color->green >> 8;
|
||
*pixtmp++ = color->blue >> 8;
|
||
|
||
if (is_trans && color->transparent)
|
||
*pixtmp++ = 0;
|
||
else if (is_trans)
|
||
*pixtmp++ = 0xFF;
|
||
}
|
||
}
|
||
|
||
g_hash_table_destroy (color_hash);
|
||
g_free (colors);
|
||
g_free (name_buf);
|
||
|
||
if (items == 6) {
|
||
gchar hot[10];
|
||
g_snprintf (hot, 10, "%d", x_hot);
|
||
gdk_pixbuf_set_option (pixbuf, "x_hot", hot);
|
||
g_snprintf (hot, 10, "%d", y_hot);
|
||
gdk_pixbuf_set_option (pixbuf, "y_hot", hot);
|
||
|
||
}
|
||
|
||
return pixbuf;
|
||
}
|
||
|
||
/* Shared library entry point for file loading */
|
||
static GdkPixbuf *
|
||
gdk_pixbuf__xpm_image_load (FILE *f,
|
||
GError **error)
|
||
{
|
||
GdkPixbuf *pixbuf;
|
||
struct file_handle h;
|
||
|
||
memset (&h, 0, sizeof (h));
|
||
h.infile = f;
|
||
pixbuf = pixbuf_create_from_xpm (file_buffer, &h, error);
|
||
g_free (h.buffer);
|
||
|
||
return pixbuf;
|
||
}
|
||
|
||
/* Shared library entry point for memory loading */
|
||
static GdkPixbuf *
|
||
gdk_pixbuf__xpm_image_load_xpm_data (const gchar **data)
|
||
{
|
||
GdkPixbuf *pixbuf;
|
||
struct mem_handle h;
|
||
GError *error = NULL;
|
||
|
||
h.data = data;
|
||
h.offset = 0;
|
||
|
||
pixbuf = pixbuf_create_from_xpm (mem_buffer, &h, &error);
|
||
|
||
if (error) {
|
||
g_warning ("Inline XPM data is broken: %s", error->message);
|
||
g_error_free (error);
|
||
error = NULL;
|
||
}
|
||
|
||
return pixbuf;
|
||
}
|
||
|
||
/* Progressive loader */
|
||
typedef struct _XPMContext XPMContext;
|
||
struct _XPMContext
|
||
{
|
||
GdkPixbufModulePreparedFunc prepare_func;
|
||
GdkPixbufModuleUpdatedFunc update_func;
|
||
gpointer user_data;
|
||
|
||
gchar *tempname;
|
||
FILE *file;
|
||
gboolean all_okay;
|
||
};
|
||
|
||
/*
|
||
* FIXME xpm loading progressively is not properly implemented.
|
||
* Instead we will buffer to a file then load that file when done.
|
||
* This is very broken but it should be relayively simple to fix
|
||
* in the future.
|
||
*/
|
||
static gpointer
|
||
gdk_pixbuf__xpm_image_begin_load (GdkPixbufModuleSizeFunc size_func,
|
||
GdkPixbufModulePreparedFunc prepare_func,
|
||
GdkPixbufModuleUpdatedFunc update_func,
|
||
gpointer user_data,
|
||
GError **error)
|
||
{
|
||
XPMContext *context;
|
||
gint fd;
|
||
|
||
context = g_new (XPMContext, 1);
|
||
context->prepare_func = prepare_func;
|
||
context->update_func = update_func;
|
||
context->user_data = user_data;
|
||
context->all_okay = TRUE;
|
||
fd = g_file_open_tmp ("gdkpixbuf-xpm-tmp.XXXXXX", &context->tempname,
|
||
NULL);
|
||
if (fd < 0) {
|
||
g_free (context);
|
||
return NULL;
|
||
}
|
||
|
||
context->file = fdopen (fd, "w+");
|
||
if (context->file == NULL) {
|
||
g_free (context->tempname);
|
||
g_free (context);
|
||
return NULL;
|
||
}
|
||
|
||
return context;
|
||
}
|
||
|
||
static gboolean
|
||
gdk_pixbuf__xpm_image_stop_load (gpointer data,
|
||
GError **error)
|
||
{
|
||
XPMContext *context = (XPMContext*) data;
|
||
GdkPixbuf *pixbuf;
|
||
gboolean retval = FALSE;
|
||
|
||
g_return_val_if_fail (data != NULL, FALSE);
|
||
|
||
fflush (context->file);
|
||
rewind (context->file);
|
||
if (context->all_okay) {
|
||
pixbuf = gdk_pixbuf__xpm_image_load (context->file, error);
|
||
|
||
if (pixbuf != NULL) {
|
||
if (context->prepare_func)
|
||
(* context->prepare_func) (pixbuf,
|
||
NULL,
|
||
context->user_data);
|
||
if (context->update_func)
|
||
(* context->update_func) (pixbuf, 0, 0, pixbuf->width, pixbuf->height, context->user_data);
|
||
g_object_unref (pixbuf);
|
||
|
||
retval = TRUE;
|
||
}
|
||
}
|
||
|
||
fclose (context->file);
|
||
g_unlink (context->tempname);
|
||
g_free (context->tempname);
|
||
g_free ((XPMContext *) context);
|
||
|
||
return retval;
|
||
}
|
||
|
||
static gboolean
|
||
gdk_pixbuf__xpm_image_load_increment (gpointer data,
|
||
const guchar *buf,
|
||
guint size,
|
||
GError **error)
|
||
{
|
||
XPMContext *context = (XPMContext *) data;
|
||
|
||
g_return_val_if_fail (data != NULL, FALSE);
|
||
|
||
if (fwrite (buf, sizeof (guchar), size, context->file) != size) {
|
||
gint save_errno = errno;
|
||
context->all_okay = FALSE;
|
||
g_set_error_literal (error,
|
||
G_FILE_ERROR,
|
||
g_file_error_from_errno (save_errno),
|
||
_("Failed to write to temporary file when loading XPM image"));
|
||
return FALSE;
|
||
}
|
||
|
||
return TRUE;
|
||
}
|
||
|
||
#ifndef INCLUDE_xpm
|
||
#define MODULE_ENTRY(function) G_MODULE_EXPORT void function
|
||
#else
|
||
#define MODULE_ENTRY(function) void _gdk_pixbuf__xpm_ ## function
|
||
#endif
|
||
|
||
MODULE_ENTRY (fill_vtable) (GdkPixbufModule *module)
|
||
{
|
||
module->load = gdk_pixbuf__xpm_image_load;
|
||
module->load_xpm_data = gdk_pixbuf__xpm_image_load_xpm_data;
|
||
module->begin_load = gdk_pixbuf__xpm_image_begin_load;
|
||
module->stop_load = gdk_pixbuf__xpm_image_stop_load;
|
||
module->load_increment = gdk_pixbuf__xpm_image_load_increment;
|
||
}
|
||
|
||
MODULE_ENTRY (fill_info) (GdkPixbufFormat *info)
|
||
{
|
||
static GdkPixbufModulePattern signature[] = {
|
||
{ "/* XPM */", NULL, 100 },
|
||
{ NULL, NULL, 0 }
|
||
};
|
||
static gchar * mime_types[] = {
|
||
"image/x-xpixmap",
|
||
NULL
|
||
};
|
||
static gchar * extensions[] = {
|
||
"xpm",
|
||
NULL
|
||
};
|
||
|
||
info->name = "xpm";
|
||
info->signature = signature;
|
||
info->description = N_("The XPM image format");
|
||
info->mime_types = mime_types;
|
||
info->extensions = extensions;
|
||
info->flags = GDK_PIXBUF_FORMAT_THREADSAFE;
|
||
info->license = "LGPL";
|
||
}
|