1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
|
/** \file writebitmap.c
* Bitmap file creation
*/
/* XTrackCad - Model Railroad CAD
* Copyright (C) 2015 Martin Fischer
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#define GTK_DISABLE_SINGLE_INCLUDES
#define GDK_DISABLE_DEPRECATED
#define GTK_DISABLE_DEPRECATED
#define GSEAL_ENABLE
#include <string.h>
#include <gtk/gtk.h>
#include "gtkint.h"
#define PNGFORMAT "png"
#define JPEGFORMAT "jpeg"
/**
* Get the Extension part of a filename
*
* /param fname the filename
*
* /return char* point to the extension
*/
static const char *
GetExtension(const char *fname)
{
const char *end = fname + strlen(fname);
while (end > fname && *end != '.') {
--end;
}
return( end + 1 );
}
/**
* Export as bitmap file.
*
* \param d IN the drawing area ?
* \param fileName IN fully qualified filename for the bitmap file.
* \return TRUE on success, FALSE on error
*/
wBool_t wBitMapWriteFile(wDraw_p d, const char * fileName)
{
GdkPixbuf *pixbuf;
GError *error;
gboolean res;
const char *fileFormat = GetExtension(fileName);
char *writeFormat = NULL;
if(!strcasecmp(fileFormat, PNGFORMAT )) {
writeFormat = PNGFORMAT;
}
if( !strcasecmp(fileFormat, "jpg") ||
!strcasecmp(fileFormat, "jpeg")) {
writeFormat = JPEGFORMAT;
}
if(!writeFormat) {
wNoticeEx(NT_ERROR, "WriteBitMap: invalid file format!", "Ok", NULL);
return FALSE;
}
pixbuf = gdk_pixbuf_get_from_drawable(NULL, (GdkWindow*)d->pixmap, NULL, 0, 0,
0, 0, d->w, d->h);
if (!pixbuf) {
wNoticeEx(NT_ERROR, "WriteBitMap: pixbuf_get failed", "Ok", NULL);
return FALSE;
}
error = NULL;
res = gdk_pixbuf_save(pixbuf, fileName, writeFormat, &error, NULL);
if (res == FALSE) {
wNoticeEx(NT_ERROR, "WriteBitMap: pixbuf_save failed", "Ok", NULL);
return FALSE;
}
g_object_ref_sink(pixbuf);
g_object_unref(pixbuf);
return TRUE;
}
|
