Add LcdFilter enum and FontOptions API for LCD filtering

2 files changed, 38 insertions, 1 deletions

diff --git a/tests/Makefile.am b/tests/Makefile.am
index 485e5a5..f0efcc3 100644
--- a/tests/Makefile.am
+++ b/tests/Makefile.am
@@ -1,12 +1,13 @@
 if AUTOTESTS
 
 # build automated 'tests'
-TESTS=test-context test-font-face test-surface test-scaled-font
+TESTS=test-context test-font-face test-surface test-scaled-font test-font-options
 noinst_PROGRAMS = $(TESTS)
 test_context_SOURCES=test-context.cc
 test_font_face_SOURCES=test-font-face.cc
 test_surface_SOURCES=test-surface.cc
 test_scaled_font_SOURCES=test-scaled-font.cc
+test_font_options_SOURCES=test-font-options.cc
 
 else
 
diff --git a/tests/test-font-options.cc b/tests/test-font-options.cc
new file mode 100644
index 0000000..25a0cda
--- /dev/null
+++ b/tests/test-font-options.cc
@@ -0,0 +1,36 @@
+#include <boost/test/unit_test.hpp>
+#include <boost/test/test_tools.hpp>
+#include <boost/test/floating_point_comparison.hpp>
+
+#include <cairomm/fontoptions.h>
+
+using namespace boost::unit_test;
+using namespace Cairo;
+
+void test_lcd_filter()
+{
+  FontOptions fo;
+  fo.set_lcd_filter(LCD_FILTER_DEFAULT);
+  BOOST_CHECK_EQUAL(fo.get_lcd_filter(), LCD_FILTER_DEFAULT);
+  fo.set_lcd_filter(LCD_FILTER_NONE);
+  BOOST_CHECK_EQUAL(fo.get_lcd_filter(), LCD_FILTER_NONE);
+  fo.set_lcd_filter(LCD_FILTER_INTRA_PIXEL);
+  BOOST_CHECK_EQUAL(fo.get_lcd_filter(), LCD_FILTER_INTRA_PIXEL);
+  fo.set_lcd_filter(LCD_FILTER_FIR3);
+  BOOST_CHECK_EQUAL(fo.get_lcd_filter(), LCD_FILTER_FIR3);
+  fo.set_lcd_filter(LCD_FILTER_FIR5);
+  BOOST_CHECK_EQUAL(fo.get_lcd_filter(), LCD_FILTER_FIR5);
+}
+
+test_suite*
+init_unit_test_suite(int argc, char* argv[])
+{
+  // compile even with -Werror
+  if (argc && argv) {}
+
+  test_suite* test= BOOST_TEST_SUITE( "Cairo::Context Tests" );
+
+  test->add (BOOST_TEST_CASE (&test_lcd_filter));
+
+  return test;
+}