Add initial font metrics and equation rendering.

test/fonts/CMakeLists.txt

@@ -4,23 +4,24 @@ if(UNIX)
     find_package(Freetype QUIET)
     if(Freetype_FOUND)
     set(PLATFORM_UNIT_TEST_FILES
-        fonts/TestFreeTypeFontEngine.cpp
+        TestFreeTypeFontEngine.cpp
     )    
     endif()
 else()
     set(PLATFORM_UNIT_TEST_FILES
-        fonts/TestDirectWriteFontEngine.cpp
+        TestDirectWriteFontEngine.cpp
     )    
 endif()
+	
+set(MODULE_NAME fonts)
 
+list(APPEND UNIT_TEST_FILES
+    TestFontReader.cpp
+	${PLATFORM_UNIT_TEST_FILES}
+)
 
-set(FONTS_UNIT_TEST_FILES 
-        fonts/TestFontReader.cpp
-        ${PLATFORM_UNIT_TEST_FILES}
-    PARENT_SCOPE
-    )
-    
-set(FONTS_UNIT_TEST_DEPENDENCIES 
-        fonts
-    PARENT_SCOPE
-    )
+set(UNIT_TEST_TARGET_NAME ${MODULE_NAME}_unit_tests)
+
+add_executable(${UNIT_TEST_TARGET_NAME} ${CMAKE_SOURCE_DIR}/test/test_runner.cpp ${UNIT_TEST_FILES})
+target_link_libraries(${UNIT_TEST_TARGET_NAME} PUBLIC test_utils fonts)
+set_property(TARGET ${UNIT_TEST_TARGET_NAME} PROPERTY FOLDER test/${MODULE_NAME})

test/fonts/TestDirectWriteFontEngine.cpp

@@ -9,6 +9,7 @@
 #include "SvgWriter.h"
 #include "SvgShapeElements.h"
 #include "File.h"
+#include "FontItem.h"
 
 TEST_CASE(TestDirectWriteFontEngine, "fonts")
 {
@@ -33,4 +34,17 @@ TEST_CASE(TestDirectWriteFontEngine, "fonts")
 	File file(TestUtils::getTestOutputDir(__FILE__) / "out.svg");
 	file.writeText(doc_string);
 
+}
+
+TEST_CASE(TestDirectWriteFontEngine_GlyphMetrics, "fonts")
+{
+	DirectWriteFontEngine font_engine;
+	font_engine.initialize();
+
+	FontItem font("Verdana", 16);
+
+	const auto advance = font_engine.getHorizontalAdvance(font, "abc");
+	MLOG_INFO("Advance is: " << advance);
+
+	REQUIRE(advance != 0.0);
 }