From 34cf34e01daa543838eebd89c9879472ef21ac24 Mon Sep 17 00:00:00 2001
From: John Darrington <john@darrington.wattle.id.au>
Date: Fri, 14 Aug 2009 19:32:38 +0200
Subject: [PATCH] Revert pango dependency to version 2.20

Reduce pango required version to 2.20, and backport
the pango_layout_get_baseline function.
---
 configure.ac                   |  4 ++--
 src/output/charts/plot-chart.c | 20 ++++++++++++++++++++
 2 files changed, 22 insertions(+), 2 deletions(-)

diff --git a/configure.ac b/configure.ac
index 5ed6d74f..c9493539 100644
--- a/configure.ac
+++ b/configure.ac
@@ -51,11 +51,11 @@ AC_ARG_WITH([cairo],
   [], [with_cairo=yes])
 AM_CONDITIONAL([HAVE_CAIRO], [test "$with_cairo" != no])
 if test "$with_cairo" != no; then
-  PKG_CHECK_MODULES([CAIRO], [cairo >= 1.5 pango >= 1.22 pangocairo], 
+  PKG_CHECK_MODULES([CAIRO], [cairo >= 1.5 pango >= 1.20 pangocairo], 
     [CPPFLAGS="$CPPFLAGS $CAIRO_CFLAGS"
      AC_DEFINE([HAVE_CAIRO], 1, 
        [Define to 1 if Cairo and Pango are available.])],
-    [PSPP_REQUIRED_PREREQ([cairo 1.5 or later and pango 1.22 or later (or use --without-cairo)])])
+    [PSPP_REQUIRED_PREREQ([cairo 1.5 or later and pango 1.20 or later (or use --without-cairo)])])
 fi
 
 # Support for GUI.
diff --git a/src/output/charts/plot-chart.c b/src/output/charts/plot-chart.c
index 46884e19..cda6d1ec 100644
--- a/src/output/charts/plot-chart.c
+++ b/src/output/charts/plot-chart.c
@@ -39,6 +39,26 @@
 
 #include "xalloc.h"
 
+#if ! PANGO_VERSION_CHECK (2, 22, 0)
+int pango_layout_get_baseline (PangoLayout    *layout);
+
+/* Shamelessly copied from the pango source */
+int
+pango_layout_get_baseline (PangoLayout    *layout)
+{
+  int baseline;
+
+  /* XXX this is so inefficient */
+  PangoLayoutIter *iter = pango_layout_get_iter (layout);
+  baseline = pango_layout_iter_get_baseline (iter);
+  pango_layout_iter_free (iter);
+
+  return baseline;
+}
+#endif
+
+
+
 const struct chart_colour data_colour[N_CHART_COLOURS] =
   {
     { 165, 42, 42 },            /* brown */
-- 
2.30.2