Add GDK-PixBuf and librsvg2 as a dependency

They are required for JPEG exporting

configure.ac

@@ -37,6 +37,8 @@ PKG_CHECK_MODULES([LIBXML], [libxml-2.0])
 PKG_CHECK_MODULES([LIBXSLT], [libexslt])
 PKG_CHECK_MODULES([WEBKIT], [webkit2gtk-4.0])
 PKG_CHECK_MODULES([GDA], [libgda-5.0 libgda-sqlite-5.0])
+PKG_CHECK_MODULES([PIXBUF], [gdk-pixbuf-2.0])
+PKG_CHECK_MODULES([RSVG], [librsvg-2.0])
 PKG_CHECK_MODULES([SWE_GLIB], [swe-glib >= 2.1.0])
 
 LIBGD_INIT([

src/Makefile.am

@@ -32,7 +32,7 @@ AM_CPPFLAGS = -DG_LOG_DOMAIN=\"Astrognome\" -DLOCALEDIR=\"$(localedir)\" -DPKGDA
 bin_PROGRAMS = astrognome
 
 astrognome_SOURCES = $(astrognome_source_files) $(BUILT_SOURCES)
-astrognome_LDADD = $(SWE_GLIB_LIBS) $(GTK_LIBS) $(LIBXML_LIBS) $(LIBXSLT_LIBS) $(WEBKIT_LIBS) $(GDA_LIBS) $(top_builddir)/libgd/libgd.la
+astrognome_LDADD = $(SWE_GLIB_LIBS) $(GTK_LIBS) $(LIBXML_LIBS) $(LIBXSLT_LIBS) $(WEBKIT_LIBS) $(GDA_LIBS) $(PIXBUF_LIBS) $(RSVG_LIBS) $(top_builddir)/libgd/libgd.la
 astrognome_LDFLAGS = -rdynamic
-astrognome_CFLAGS = $(SWE_GLIB_CFLAGS) $(CFLAGS) $(GTK_CFLAGS) $(LIBXML_CFLAGS) $(LIBXSLT_CFLAGS) $(WEBKIT_CFLAGS) $(GDA_CFLAGS) -Wall
+astrognome_CFLAGS = $(SWE_GLIB_CFLAGS) $(CFLAGS) $(GTK_CFLAGS) $(LIBXML_CFLAGS) $(LIBXSLT_CFLAGS) $(WEBKIT_CFLAGS) $(GDA_CFLAGS) $(PIXBUF_CFLAGS) $(RSVG_CFLAGS) -Wall
 

src/ag-chart.c

@@ -10,6 +10,7 @@
 #include <locale.h>
 #include <math.h>
 #include <string.h>
+#include <librsvg/rsvg.h>
 
 #include "config.h"
 #include "astrognome.h"
@@ -41,6 +42,10 @@ typedef enum {
     XML_CONVERT_INT
 } XmlConvertType;
 
+#if !LIBRSVG_HAVE_CSS
+# error "We need RSVG CSS support to export charts as images!"
+#endif
+
 G_DEFINE_QUARK(ag_chart_error_quark, ag_chart_error);
 
 G_DEFINE_TYPE_WITH_PRIVATE(AgChart, ag_chart, GSWE_TYPE_MOMENT);