1 files changed, 102 insertions, 0 deletions
diff --git a/app/wlib/gtklib/writebitmap.c b/app/wlib/gtklib/writebitmap.c
new file mode 100644
index 0000000..0f5041a
--- /dev/null
+++ b/app/wlib/gtklib/writebitmap.c
@@ -0,0 +1,102 @@
+/** \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;
+}