Imported Upstream version 3.0.0

[glabels] / libglbarcode / lgl-barcode-create.c

diff --git a/libglbarcode/lgl-barcode-create.c b/libglbarcode/lgl-barcode-create.c
new file mode 100644 (file)
index 0000000..1aec23b
--- /dev/null
+++ b/libglbarcode/lgl-barcode-create.c
@@ -0,0 +1,119 @@
+/*
+ *  lgl-barcode-create.c
+ *  Copyright (C) 2010  Jim Evins <evins@snaught.com>.
+ *
+ *  This file is part of libglbarcode.
+ *
+ *  libglbarcode 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 version 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  libglbarcode 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 Lesser General Public License for more details.
+ *
+ *  You should have received a copy of the GNU Lesser General Public License
+ *  along with libglbarcode.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <config.h>
+
+#include "lgl-barcode-create.h"
+
+#include "lgl-barcode-postnet.h"
+#include "lgl-barcode-onecode.h"
+#include "lgl-barcode-code39.h"
+
+
+/*===========================================*/
+/* Private macros and constants.             */
+/*===========================================*/
+
+
+/*===========================================*/
+/* Private types                             */
+/*===========================================*/
+
+typedef lglBarcode *(*BarcodeNewFunc) (lglBarcodeType  type,
+                                       gboolean        text_flag,
+                                       gboolean        checksum_flag,
+                                       gdouble         w,
+                                       gdouble         h,
+                                       const gchar    *data);
+
+
+/*===========================================*/
+/* Private globals                           */
+/*===========================================*/
+
+BarcodeNewFunc create_func[LGL_BARCODE_N_TYPES] = {
+
+        /* LGL_BARCODE_TYPE_POSTNET    */ lgl_barcode_postnet_new,
+        /* LGL_BARCODE_TYPE_POSTNET_5  */ lgl_barcode_postnet_new,
+        /* LGL_BARCODE_TYPE_POSTNET_9  */ lgl_barcode_postnet_new,
+        /* LGL_BARCODE_TYPE_POSTNET_11 */ lgl_barcode_postnet_new,
+        /* LGL_BARCODE_TYPE_CEPNET     */ lgl_barcode_postnet_new,
+
+        /* LGL_BARCODE_TYPE_ONECODE    */ lgl_barcode_onecode_new,
+
+        /* LGL_BARCODE_TYPE_CODE39     */ lgl_barcode_code39_new,
+        /* LGL_BARCODE_TYPE_CODE39_EXT */ lgl_barcode_code39_new,
+};
+
+/*===========================================*/
+/* Local function prototypes                 */
+/*===========================================*/
+
+
+/****************************************************************************/
+/**
+ * lgl_barcode_create:
+ * @type:           Barcode type selection (#lglBarcodeType)
+ * @text_flag:      %TRUE to show text, if supported by barcode type
+ * @checksum_flag:  %TRUE to include checksum, if supported or optional for barcode type
+ * @w:              Suggested width of barcode
+ * @h:              Suggested height of barcode
+ * @data:           Data to encode into barcode
+ *
+ * Create a new barcode structure, encoding @data with selected barcode type and
+ * characteristics.
+ *
+ * Barcode dimensions (@w and @h) are in points ( 1 point = 1/72 inch ).
+ * If either @w or @h are zero, the barcode will be rendered in a nominal size
+ * appropriate for the barcode type and data.  The actual size of the resulting
+ * barcode may also be limited by required tolerances of line sizes and spacing
+ * for the given barcode type. 
+ *
+ *
+ * Returns: A newly allocated #lglBarcode structure.  Use lgl_barcode_free() to
+ *          free it.
+ */
+lglBarcode *
+lgl_barcode_create (lglBarcodeType     type,
+                    gboolean           text_flag,
+                    gboolean           checksum_flag,
+                    gdouble            w,
+                    gdouble            h,
+                    const gchar       *data)
+{
+        if ( (type < 0) || (type >= LGL_BARCODE_N_TYPES) )
+        {
+                g_message ("Invalid barcode type.");
+                return NULL;
+        }
+
+        return create_func[type] (type, text_flag, checksum_flag, w, h, data);
+}
+
+
+
+/*
+ * Local Variables:       -- emacs
+ * mode: C                -- emacs
+ * c-basic-offset: 8      -- emacs
+ * tab-width: 8           -- emacs
+ * indent-tabs-mode: nil  -- emacs
+ * End:                   -- emacs
+ */