issue #6880 mscgen links placed in the wrong place when using SVG output

1 files changed, 170 insertions, 0 deletions

diff --git a/libmscgen/mscgen_null_out.c b/libmscgen/mscgen_null_out.c
new file mode 100644
index 0000000..4607c71
--- /dev/null
+++ b/libmscgen/mscgen_null_out.c
@@ -0,0 +1,170 @@
+/***************************************************************************
+ *
+ * $Id: null_out.c 112 2010-08-18 12:59:54Z Michael.McTernan $
+ *
+ * This file is part of mscgen, a message sequence chart renderer.
+ * Copyright (C) 2005 Michael C McTernan, Michael.McTernan.2001@cs.bris.ac.uk
+ *
+ * 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 St, Fifth Floor, Boston, MA 02110-1301, USA
+ **************************************************************************/
+
+
+#include <stdio.h>
+#include <assert.h>
+
+#include "mscgen_adraw_int.h"
+
+/***************************************************************************
+ * API Functions
+ ***************************************************************************/
+
+static unsigned int NullTextWidth(struct ADrawTag *ctx UNUSED,
+                                  const char *string UNUSED)
+{
+    return 0;
+}
+
+
+static int NullTextHeight(struct ADrawTag *ctx UNUSED)
+{
+    return 0;
+}
+
+
+static void NullLine(struct ADrawTag *ctx UNUSED,
+                     unsigned int     x1 UNUSED,
+                     unsigned int     y1 UNUSED,
+                     unsigned int     x2 UNUSED,
+                     unsigned int     y2 UNUSED)
+{
+}
+
+
+static void NullDottedLine(struct ADrawTag *ctx UNUSED,
+                           unsigned int     x1 UNUSED,
+                           unsigned int     y1 UNUSED,
+                           unsigned int     x2 UNUSED,
+                           unsigned int     y2 UNUSED)
+{
+}
+
+
+static void NullTextR(struct ADrawTag *ctx UNUSED,
+                      unsigned int     x UNUSED,
+                      unsigned int     y UNUSED,
+                      const char      *string UNUSED)
+{
+}
+
+
+static void NullTextL(struct ADrawTag *ctx UNUSED,
+                      unsigned int     x UNUSED,
+                      unsigned int     y UNUSED,
+                      const char      *string UNUSED)
+{
+}
+
+
+static void NullTextC(struct ADrawTag *ctx UNUSED,
+                      unsigned int     x UNUSED,
+                      unsigned int     y UNUSED,
+                      const char      *string UNUSED)
+{
+}
+
+
+static void NullFilledRectangle(struct ADrawTag *ctx UNUSED,
+                               unsigned int x1 UNUSED,
+                               unsigned int y1 UNUSED,
+                               unsigned int x2 UNUSED,
+                               unsigned int y2 UNUSED)
+{
+}
+
+
+static void NullFilledTriangle(struct ADrawTag *ctx UNUSED,
+                               unsigned int x1 UNUSED,
+                               unsigned int y1 UNUSED,
+                               unsigned int x2 UNUSED,
+                               unsigned int y2 UNUSED,
+                               unsigned int x3 UNUSED,
+                               unsigned int y3 UNUSED)
+{
+}
+
+
+static void NullArc(struct ADrawTag *ctx UNUSED,
+                    unsigned int cx UNUSED,
+                    unsigned int cy UNUSED,
+                    unsigned int w UNUSED,
+                    unsigned int h UNUSED,
+                    unsigned int s UNUSED,
+                    unsigned int e UNUSED)
+{
+}
+
+
+static void NullDottedArc(struct ADrawTag *ctx UNUSED,
+                          unsigned int cx UNUSED,
+                          unsigned int cy UNUSED,
+                          unsigned int w UNUSED,
+                          unsigned int h UNUSED,
+                          unsigned int s UNUSED,
+                          unsigned int e UNUSED)
+{
+}
+
+
+static void NullSetPen (struct ADrawTag *ctx UNUSED,
+                        ADrawColour      col UNUSED)
+{
+}
+
+
+static void NullSetFontSize(struct ADrawTag *ctx UNUSED,
+                            ADrawFontSize    size UNUSED)
+{
+}
+
+
+static Boolean NullClose(struct ADrawTag *ctx UNUSED)
+{
+    return TRUE;
+}
+
+
+Boolean NullInit(struct ADrawTag *outContext)
+{
+    /* Fill in the function pointers */
+    outContext->line            = NullLine;
+    outContext->dottedLine      = NullDottedLine;
+    outContext->textL           = NullTextL;
+    outContext->textC           = NullTextC;
+    outContext->textR           = NullTextR;
+    outContext->textWidth       = NullTextWidth;
+    outContext->textHeight      = NullTextHeight;
+    outContext->filledRectangle = NullFilledRectangle;
+    outContext->filledTriangle  = NullFilledTriangle;
+    outContext->arc             = NullArc;
+    outContext->dottedArc       = NullDottedArc;
+    outContext->setPen          = NullSetPen;
+    outContext->setBgPen        = NullSetPen;
+    outContext->setFontSize     = NullSetFontSize;
+    outContext->close           = NullClose;
+
+    return TRUE;
+}
+
+/* END OF FILE */